dsp_interface: fix sound being played while volume is 0

According to documentation, if the argument of std::exp is zero, one is returned.
However we want the return value to be also zero in this case so no audio is played.

.github/ISSUE_TEMPLATE.md

@@ -1,16 +1,27 @@
 <!--
 Please keep in mind yuzu is EXPERIMENTAL SOFTWARE.
 
-Please read the FAQ: https://yuzu-emu.org/wiki/faq/
+Please read the FAQ:
+https://yuzu-emu.org/wiki/faq/
 
-When submitting an issue, please do the following:
+THIS IS NOT A SUPPORT FORUM, FOR SUPPORT GO TO:
+https://community.citra-emu.org/
 
-- Provide the version (commit hash) of yuzu you are using.
-- Provide sufficient detail for the issue to be reproduced.
-- Provide:
+If the FAQ does not answer your question, please go to:
+https://community.citra-emu.org/
+
+When submitting an issue, please check the following:
+
+- You have read the above.
+- You have provided the version (commit hash) of yuzu you are using.
+- You have provided sufficient detail for the issue to be reproduced.
+- You have provided system specs (if relevant).
+- Please also provide:
+  - For any issues, a log file
   - For crashes, a backtrace.
   - For graphical issues, comparison screenshots with real hardware.
   - For emulation inaccuracies, a test-case (if able).
+
 -->
 
 

.travis/linux/docker.sh

@@ -1,12 +1,12 @@
 #!/bin/bash -ex
 
 apt-get update
-apt-get install --no-install-recommends -y build-essential git libqt5opengl5-dev libsdl2-dev libssl-dev python qtbase5-dev wget cmake ninja-build ccache
+apt-get install --no-install-recommends -y build-essential git libqt5opengl5-dev libsdl2-dev libssl-dev python qtbase5-dev qtwebengine5-dev wget cmake ninja-build ccache
 
 cd /yuzu
 
 mkdir build && cd build
-cmake .. -DYUZU_USE_BUNDLED_UNICORN=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/lib/ccache/gcc -DCMAKE_CXX_COMPILER=/usr/lib/ccache/g++ -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${ENABLE_COMPATIBILITY_REPORTING:-"OFF"} -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DUSE_DISCORD_PRESENCE=ON -G Ninja
+cmake .. -DYUZU_USE_BUNDLED_UNICORN=ON -DYUZU_USE_QT_WEB_ENGINE=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/lib/ccache/gcc -DCMAKE_CXX_COMPILER=/usr/lib/ccache/g++ -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${ENABLE_COMPATIBILITY_REPORTING:-"OFF"} -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DUSE_DISCORD_PRESENCE=ON -G Ninja
 ninja
 
 ccache -s

.travis/macos/build.sh

@@ -9,7 +9,7 @@ export PATH="/usr/local/opt/ccache/libexec:$PATH"
 
 mkdir build && cd build
 cmake --version
-cmake .. -DYUZU_USE_BUNDLED_UNICORN=ON -DCMAKE_BUILD_TYPE=Release -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${ENABLE_COMPATIBILITY_REPORTING:-"OFF"} -DUSE_DISCORD_PRESENCE=ON
+cmake .. -DYUZU_USE_BUNDLED_UNICORN=ON -DYUZU_USE_QT_WEB_ENGINE=ON -DCMAKE_BUILD_TYPE=Release -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${ENABLE_COMPATIBILITY_REPORTING:-"OFF"} -DUSE_DISCORD_PRESENCE=ON
 make -j4
 
 ccache -s

CMakeLists.txt

@@ -19,6 +19,8 @@ option(ENABLE_WEB_SERVICE "Enable web services (telemetry, etc.)" ON)
 
 option(YUZU_USE_BUNDLED_UNICORN "Build/Download bundled Unicorn" ON)
 
+option(YUZU_USE_QT_WEB_ENGINE "Use QtWebEngine for web applet implementation" OFF)
+
 option(ENABLE_CUBEB "Enables the cubeb audio backend" ON)
 
 option(USE_DISCORD_PRESENCE "Enables Discord Rich Presence" OFF)
@@ -302,7 +304,7 @@ endif()
 if (ENABLE_QT)
     if (YUZU_USE_BUNDLED_QT)
         if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1920) AND ARCHITECTURE_x86_64)
-            set(QT_VER qt-5.10.0-msvc2015_64)
+            set(QT_VER qt-5.12.0-msvc2017_64)
         else()
             message(FATAL_ERROR "No bundled Qt binaries for your toolchain. Disable YUZU_USE_BUNDLED_QT and provide your own.")
         endif()
@@ -319,6 +321,10 @@ if (ENABLE_QT)
     endif()
 
     find_package(Qt5 REQUIRED COMPONENTS Widgets OpenGL ${QT_PREFIX_HINT})
+
+    if (YUZU_USE_QT_WEB_ENGINE)
+        find_package(Qt5 REQUIRED COMPONENTS WebEngineCore WebEngineWidgets ${QT_PREFIX_HINT})
+    endif ()
 endif()
 
 # Platform-specific library requirements

CMakeModules/CopyYuzuQt5Deps.cmake

@@ -5,6 +5,7 @@ function(copy_yuzu_Qt5_deps target_dir)
     set(Qt5_PLATFORMS_DIR "${Qt5_DIR}/../../../plugins/platforms/")
     set(Qt5_STYLES_DIR "${Qt5_DIR}/../../../plugins/styles/")
     set(Qt5_IMAGEFORMATS_DIR "${Qt5_DIR}/../../../plugins/imageformats/")
+    set(Qt5_RESOURCES_DIR "${Qt5_DIR}/../../../resources/")
     set(PLATFORMS ${DLL_DEST}platforms/)
     set(STYLES ${DLL_DEST}styles/)
     set(IMAGEFORMATS ${DLL_DEST}imageformats/)
@@ -17,7 +18,35 @@ function(copy_yuzu_Qt5_deps target_dir)
         Qt5OpenGL$<$<CONFIG:Debug>:d>.*
         Qt5Widgets$<$<CONFIG:Debug>:d>.*
     )
+
+    if (YUZU_USE_QT_WEB_ENGINE)
+        windows_copy_files(${target_dir} ${Qt5_DLL_DIR} ${DLL_DEST} 
+            Qt5Network$<$<CONFIG:Debug>:d>.*
+            Qt5Positioning$<$<CONFIG:Debug>:d>.*
+            Qt5PrintSupport$<$<CONFIG:Debug>:d>.*
+            Qt5Qml$<$<CONFIG:Debug>:d>.*
+            Qt5Quick$<$<CONFIG:Debug>:d>.*
+            Qt5QuickWidgets$<$<CONFIG:Debug>:d>.*
+            Qt5WebChannel$<$<CONFIG:Debug>:d>.*
+            Qt5WebEngine$<$<CONFIG:Debug>:d>.*
+            Qt5WebEngineCore$<$<CONFIG:Debug>:d>.*
+            Qt5WebEngineWidgets$<$<CONFIG:Debug>:d>.*
+            QtWebEngineProcess$<$<CONFIG:Debug>:d>.*
+        )
+
+        windows_copy_files(${target_dir} ${Qt5_RESOURCES_DIR} ${DLL_DEST}
+            qtwebengine_resources.pak
+            qtwebengine_devtools_resources.pak
+            qtwebengine_resources_100p.pak
+            qtwebengine_resources_200p.pak
+            icudtl.dat
+        )
+    endif ()
+
     windows_copy_files(yuzu ${Qt5_PLATFORMS_DIR} ${PLATFORMS} qwindows$<$<CONFIG:Debug>:d>.*)
     windows_copy_files(yuzu ${Qt5_STYLES_DIR} ${STYLES} qwindowsvistastyle$<$<CONFIG:Debug>:d>.*)
-    windows_copy_files(yuzu ${Qt5_IMAGEFORMATS_DIR} ${IMAGEFORMATS} qjpeg$<$<CONFIG:Debug>:d>.*)
+    windows_copy_files(yuzu ${Qt5_IMAGEFORMATS_DIR} ${IMAGEFORMATS}
+        qjpeg$<$<CONFIG:Debug>:d>.*
+        qgif$<$<CONFIG:Debug>:d>.*
+        )
 endfunction(copy_yuzu_Qt5_deps)

appveyor.yml

@@ -42,7 +42,7 @@ before_build:
         $COMPAT = if ($env:ENABLE_COMPATIBILITY_REPORTING -eq $null) {0} else {$env:ENABLE_COMPATIBILITY_REPORTING}
         if ($env:BUILD_TYPE -eq 'msvc') {
           # redirect stderr and change the exit code to prevent powershell from cancelling the build if cmake prints a warning
-          cmd /C 'cmake -G "Visual Studio 15 2017 Win64" -DYUZU_USE_BUNDLED_QT=1 -DYUZU_USE_BUNDLED_SDL2=1 -DYUZU_USE_BUNDLED_UNICORN=1 -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${COMPAT} -DUSE_DISCORD_PRESENCE=ON .. 2>&1 && exit 0'
+          cmd /C 'cmake -G "Visual Studio 15 2017 Win64" -DYUZU_USE_BUNDLED_QT=1 -DYUZU_USE_BUNDLED_SDL2=1 -DYUZU_USE_BUNDLED_UNICORN=1 -DYUZU_USE_QT_WEB_ENGINE=ON -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${COMPAT} -DUSE_DISCORD_PRESENCE=ON .. 2>&1 && exit 0'
         } else {
           C:\msys64\usr\bin\bash.exe -lc "cmake -G 'MSYS Makefiles' -DYUZU_BUILD_UNICORN=1 -DCMAKE_BUILD_TYPE=Release -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${COMPAT} -DUSE_DISCORD_PRESENCE=ON .. 2>&1"
         }
@@ -94,6 +94,7 @@ after_build:
           Copy-Item "$BUILD_DIR\*" -Destination $RELEASE_DIST -Recurse
           rm "$RELEASE_DIST\*.exe"
           Get-ChildItem "$BUILD_DIR" -Recurse -Filter "yuzu*.exe" | Copy-Item -destination $RELEASE_DIST
+          Get-ChildItem "$BUILD_DIR" -Recurse -Filter "QtWebEngineProcess*.exe" | Copy-Item -destination $RELEASE_DIST
           Copy-Item .\license.txt -Destination $RELEASE_DIST
           Copy-Item .\README.md -Destination $RELEASE_DIST
           7z a -tzip $MSVC_BUILD_ZIP $RELEASE_DIST\*

src/audio_core/stream.cpp

@@ -68,7 +68,7 @@ static void VolumeAdjustSamples(std::vector<s16>& samples) {
     }
 
     // Implementation of a volume slider with a dynamic range of 60 dB
-    const float volume_scale_factor{std::exp(6.90775f * volume) * 0.001f};
+    const float volume_scale_factor = volume == 0 ? 0 : std::exp(6.90775f * volume) * 0.001f;
     for (auto& sample : samples) {
         sample = static_cast<s16>(sample * volume_scale_factor);
     }

src/audio_core/time_stretch.cpp

@@ -53,8 +53,8 @@ std::size_t TimeStretcher::Process(const s16* in, std::size_t num_in, s16* out,
     const double lpf_gain = 1.0 - std::exp(-time_delta / lpf_time_scale);
     m_stretch_ratio += lpf_gain * (current_ratio - m_stretch_ratio);
 
-    // Place a lower limit of 5% speed.  When a game boots up, there will be
-    // many silence samples.  These do not need to be timestretched.
+    // Place a lower limit of 5% speed. When a game boots up, there will be
+    // many silence samples. These do not need to be timestretched.
     m_stretch_ratio = std::max(m_stretch_ratio, 0.05);
     m_sound_touch.setTempo(m_stretch_ratio);
 

src/core/CMakeLists.txt

@@ -88,11 +88,15 @@ add_library(core STATIC
     frontend/applets/profile_select.h
     frontend/applets/software_keyboard.cpp
     frontend/applets/software_keyboard.h
+    frontend/applets/web_browser.cpp
+    frontend/applets/web_browser.h
     frontend/emu_window.cpp
     frontend/emu_window.h
     frontend/framebuffer_layout.cpp
     frontend/framebuffer_layout.h
     frontend/input.h
+    frontend/scope_acquire_window_context.cpp
+    frontend/scope_acquire_window_context.h
     gdbstub/gdbstub.cpp
     gdbstub/gdbstub.h
     hle/ipc.h
@@ -173,6 +177,8 @@ add_library(core STATIC
     hle/service/am/applets/software_keyboard.h
     hle/service/am/applets/stub_applet.cpp
     hle/service/am/applets/stub_applet.h
+    hle/service/am/applets/web_browser.cpp
+    hle/service/am/applets/web_browser.h
     hle/service/am/idle.cpp
     hle/service/am/idle.h
     hle/service/am/omm.cpp

src/core/core.cpp

@@ -30,8 +30,11 @@
 #include "core/hle/service/sm/sm.h"
 #include "core/loader/loader.h"
 #include "core/perf_stats.h"
+#include "core/settings.h"
 #include "core/telemetry_session.h"
+#include "frontend/applets/profile_select.h"
 #include "frontend/applets/software_keyboard.h"
+#include "frontend/applets/web_browser.h"
 #include "video_core/debug_utils/debug_utils.h"
 #include "video_core/gpu.h"
 #include "video_core/renderer_base.h"
@@ -94,6 +97,11 @@ struct System::Impl {
         CoreTiming::Init();
         kernel.Initialize();
 
+        const auto current_time = std::chrono::duration_cast<std::chrono::seconds>(
+            std::chrono::system_clock::now().time_since_epoch());
+        Settings::values.custom_rtc_differential =
+            Settings::values.custom_rtc.value_or(current_time) - current_time;
+
         // Create a default fs if one doesn't already exist.
         if (virtual_filesystem == nullptr)
             virtual_filesystem = std::make_shared<FileSys::RealVfsFilesystem>();
@@ -103,6 +111,8 @@ struct System::Impl {
             profile_selector = std::make_unique<Core::Frontend::DefaultProfileSelectApplet>();
         if (software_keyboard == nullptr)
             software_keyboard = std::make_unique<Core::Frontend::DefaultSoftwareKeyboardApplet>();
+        if (web_browser == nullptr)
+            web_browser = std::make_unique<Core::Frontend::DefaultWebBrowserApplet>();
 
         auto main_process = Kernel::Process::Create(kernel, "main");
         kernel.MakeCurrentProcess(main_process.get());
@@ -199,6 +209,11 @@ struct System::Impl {
         // Close app loader
         app_loader.reset();
 
+        // Clear all applets
+        profile_selector.reset();
+        software_keyboard.reset();
+        web_browser.reset();
+
         LOG_DEBUG(Core, "Shutdown OK");
     }
 
@@ -233,6 +248,7 @@ struct System::Impl {
     /// Frontend applets
     std::unique_ptr<Core::Frontend::ProfileSelectApplet> profile_selector;
     std::unique_ptr<Core::Frontend::SoftwareKeyboardApplet> software_keyboard;
+    std::unique_ptr<Core::Frontend::WebBrowserApplet> web_browser;
 
     /// Service manager
     std::shared_ptr<Service::SM::ServiceManager> service_manager;
@@ -427,22 +443,34 @@ std::shared_ptr<FileSys::VfsFilesystem> System::GetFilesystem() const {
     return impl->virtual_filesystem;
 }
 
-void System::SetProfileSelector(std::unique_ptr<Core::Frontend::ProfileSelectApplet> applet) {
+void System::SetProfileSelector(std::unique_ptr<Frontend::ProfileSelectApplet> applet) {
     impl->profile_selector = std::move(applet);
 }
 
-const Core::Frontend::ProfileSelectApplet& System::GetProfileSelector() const {
+const Frontend::ProfileSelectApplet& System::GetProfileSelector() const {
     return *impl->profile_selector;
 }
 
-void System::SetSoftwareKeyboard(std::unique_ptr<Core::Frontend::SoftwareKeyboardApplet> applet) {
+void System::SetSoftwareKeyboard(std::unique_ptr<Frontend::SoftwareKeyboardApplet> applet) {
     impl->software_keyboard = std::move(applet);
 }
 
-const Core::Frontend::SoftwareKeyboardApplet& System::GetSoftwareKeyboard() const {
+const Frontend::SoftwareKeyboardApplet& System::GetSoftwareKeyboard() const {
     return *impl->software_keyboard;
 }
 
+void System::SetWebBrowser(std::unique_ptr<Frontend::WebBrowserApplet> applet) {
+    impl->web_browser = std::move(applet);
+}
+
+Frontend::WebBrowserApplet& System::GetWebBrowser() {
+    return *impl->web_browser;
+}
+
+const Frontend::WebBrowserApplet& System::GetWebBrowser() const {
+    return *impl->web_browser;
+}
+
 System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) {
     return impl->Init(*this, emu_window);
 }

src/core/core.h

@@ -11,11 +11,12 @@
 #include "common/common_types.h"
 #include "core/file_sys/vfs_types.h"
 #include "core/hle/kernel/object.h"
-#include "frontend/applets/profile_select.h"
 
 namespace Core::Frontend {
 class EmuWindow;
+class ProfileSelectApplet;
 class SoftwareKeyboardApplet;
+class WebBrowserApplet;
 } // namespace Core::Frontend
 
 namespace FileSys {
@@ -242,13 +243,18 @@ public:
 
     std::shared_ptr<FileSys::VfsFilesystem> GetFilesystem() const;
 
-    void SetProfileSelector(std::unique_ptr<Core::Frontend::ProfileSelectApplet> applet);
+    void SetProfileSelector(std::unique_ptr<Frontend::ProfileSelectApplet> applet);
 
-    const Core::Frontend::ProfileSelectApplet& GetProfileSelector() const;
+    const Frontend::ProfileSelectApplet& GetProfileSelector() const;
 
-    void SetSoftwareKeyboard(std::unique_ptr<Core::Frontend::SoftwareKeyboardApplet> applet);
+    void SetSoftwareKeyboard(std::unique_ptr<Frontend::SoftwareKeyboardApplet> applet);
 
-    const Core::Frontend::SoftwareKeyboardApplet& GetSoftwareKeyboard() const;
+    const Frontend::SoftwareKeyboardApplet& GetSoftwareKeyboard() const;
+
+    void SetWebBrowser(std::unique_ptr<Frontend::WebBrowserApplet> applet);
+
+    Frontend::WebBrowserApplet& GetWebBrowser();
+    const Frontend::WebBrowserApplet& GetWebBrowser() const;
 
 private:
     System();

src/core/file_sys/content_archive.cpp

@@ -359,6 +359,8 @@ bool NCA::ReadPFS0Section(const NCASectionHeader& section, const NCASectionTable
             dirs.push_back(std::move(npfs));
             if (IsDirectoryExeFS(dirs.back()))
                 exefs = dirs.back();
+            else if (IsDirectoryLogoPartition(dirs.back()))
+                logo = dirs.back();
         } else {
             if (has_rights_id)
                 status = Loader::ResultStatus::ErrorIncorrectTitlekeyOrTitlekek;
@@ -546,4 +548,8 @@ u64 NCA::GetBaseIVFCOffset() const {
     return ivfc_offset;
 }
 
+VirtualDir NCA::GetLogoPartition() const {
+    return logo;
+}
+
 } // namespace FileSys

src/core/file_sys/content_archive.h

@@ -74,6 +74,13 @@ inline bool IsDirectoryExeFS(const std::shared_ptr<VfsDirectory>& pfs) {
     return pfs->GetFile("main") != nullptr && pfs->GetFile("main.npdm") != nullptr;
 }
 
+inline bool IsDirectoryLogoPartition(const VirtualDir& pfs) {
+    // NintendoLogo is the static image in the top left corner while StartupMovie is the animation
+    // in the bottom right corner.
+    return pfs->GetFile("NintendoLogo.png") != nullptr &&
+           pfs->GetFile("StartupMovie.gif") != nullptr;
+}
+
 // An implementation of VfsDirectory that represents a Nintendo Content Archive (NCA) conatiner.
 // After construction, use GetStatus to determine if the file is valid and ready to be used.
 class NCA : public ReadOnlyVfsDirectory {
@@ -102,6 +109,8 @@ public:
     // Returns the base ivfc offset used in BKTR patching.
     u64 GetBaseIVFCOffset() const;
 
+    VirtualDir GetLogoPartition() const;
+
 private:
     bool CheckSupportedNCA(const NCAHeader& header);
     bool HandlePotentialHeaderDecryption();
@@ -122,6 +131,7 @@ private:
 
     VirtualFile romfs = nullptr;
     VirtualDir exefs = nullptr;
+    VirtualDir logo = nullptr;
     VirtualFile file;
     VirtualFile bktr_base_romfs;
     u64 ivfc_offset = 0;

src/core/file_sys/directory.h

@@ -39,27 +39,4 @@ static_assert(sizeof(Entry) == 0x310, "Directory Entry struct isn't exactly 0x31
 static_assert(offsetof(Entry, type) == 0x304, "Wrong offset for type in Entry.");
 static_assert(offsetof(Entry, file_size) == 0x308, "Wrong offset for file_size in Entry.");
 
-class DirectoryBackend : NonCopyable {
-public:
-    DirectoryBackend() {}
-    virtual ~DirectoryBackend() {}
-
-    /**
-     * List files contained in the directory
-     * @param count Number of entries to return at once in entries
-     * @param entries Buffer to read data into
-     * @return Number of entries listed
-     */
-    virtual u64 Read(const u64 count, Entry* entries) = 0;
-
-    /// Returns the number of entries still left to read.
-    virtual u64 GetEntryCount() const = 0;
-
-    /**
-     * Close the directory
-     * @return true if the directory closed correctly
-     */
-    virtual bool Close() const = 0;
-};
-
 } // namespace FileSys

src/core/file_sys/romfs.cpp

@@ -119,6 +119,9 @@ VirtualDir ExtractRomFS(VirtualFile file, RomFSExtractionType type) {
 
     VirtualDir out = std::move(root);
 
+    if (type == RomFSExtractionType::SingleDiscard)
+        return out->GetSubdirectories().front();
+
     while (out->GetSubdirectories().size() == 1 && out->GetFiles().empty()) {
         if (out->GetSubdirectories().front()->GetName() == "data" &&
             type == RomFSExtractionType::Truncated)

src/core/file_sys/romfs.h

@@ -33,8 +33,9 @@ struct IVFCHeader {
 static_assert(sizeof(IVFCHeader) == 0xE0, "IVFCHeader has incorrect size.");
 
 enum class RomFSExtractionType {
-    Full,      // Includes data directory
-    Truncated, // Traverses into data directory
+    Full,          // Includes data directory
+    Truncated,     // Traverses into data directory
+    SingleDiscard, // Traverses into the first subdirectory of root
 };
 
 // Converts a RomFS binary blob to VFS Filesystem

src/core/frontend/applets/web_browser.cpp

@@ -0,0 +1,24 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/log.h"
+#include "core/frontend/applets/web_browser.h"
+
+namespace Core::Frontend {
+
+WebBrowserApplet::~WebBrowserApplet() = default;
+
+DefaultWebBrowserApplet::~DefaultWebBrowserApplet() = default;
+
+void DefaultWebBrowserApplet::OpenPage(std::string_view filename,
+                                       std::function<void()> unpack_romfs_callback,
+                                       std::function<void()> finished_callback) {
+    LOG_INFO(Service_AM,
+             "(STUBBED) called - No suitable web browser implementation found to open website page "
+             "at '{}'!",
+             filename);
+    finished_callback();
+}
+
+} // namespace Core::Frontend

src/core/frontend/applets/web_browser.h

@@ -0,0 +1,28 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+#include <string_view>
+
+namespace Core::Frontend {
+
+class WebBrowserApplet {
+public:
+    virtual ~WebBrowserApplet();
+
+    virtual void OpenPage(std::string_view url, std::function<void()> unpack_romfs_callback,
+                          std::function<void()> finished_callback) = 0;
+};
+
+class DefaultWebBrowserApplet final : public WebBrowserApplet {
+public:
+    ~DefaultWebBrowserApplet() override;
+
+    void OpenPage(std::string_view url, std::function<void()> unpack_romfs_callback,
+                  std::function<void()> finished_callback) override;
+};
+
+} // namespace Core::Frontend

src/core/frontend/scope_acquire_window_context.cpp

@@ -0,0 +1,18 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/frontend/emu_window.h"
+#include "core/frontend/scope_acquire_window_context.h"
+
+namespace Core::Frontend {
+
+ScopeAcquireWindowContext::ScopeAcquireWindowContext(Core::Frontend::EmuWindow& emu_window_)
+    : emu_window{emu_window_} {
+    emu_window.MakeCurrent();
+}
+ScopeAcquireWindowContext::~ScopeAcquireWindowContext() {
+    emu_window.DoneCurrent();
+}
+
+} // namespace Core::Frontend

src/core/frontend/scope_acquire_window_context.h

@@ -0,0 +1,23 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Core::Frontend {
+
+class EmuWindow;
+
+/// Helper class to acquire/release window context within a given scope
+class ScopeAcquireWindowContext : NonCopyable {
+public:
+    explicit ScopeAcquireWindowContext(Core::Frontend::EmuWindow& window);
+    ~ScopeAcquireWindowContext();
+
+private:
+    Core::Frontend::EmuWindow& emu_window;
+};
+
+} // namespace Core::Frontend

src/core/hle/service/am/am.cpp

@@ -23,6 +23,7 @@
 #include "core/hle/service/am/applets/profile_select.h"
 #include "core/hle/service/am/applets/software_keyboard.h"
 #include "core/hle/service/am/applets/stub_applet.h"
+#include "core/hle/service/am/applets/web_browser.h"
 #include "core/hle/service/am/idle.h"
 #include "core/hle/service/am/omm.h"
 #include "core/hle/service/am/spsm.h"
@@ -44,6 +45,7 @@ constexpr ResultCode ERR_SIZE_OUT_OF_BOUNDS{ErrorModule::AM, 0x1F7};
 enum class AppletId : u32 {
     ProfileSelect = 0x10,
     SoftwareKeyboard = 0x11,
+    LibAppletOff = 0x17,
 };
 
 constexpr u32 POP_LAUNCH_PARAMETER_MAGIC = 0xC79497CA;
@@ -730,10 +732,10 @@ void IStorageAccessor::Write(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
 
     const u64 offset{rp.Pop<u64>()};
-    LOG_DEBUG(Service_AM, "called, offset={}", offset);
-
     const std::vector<u8> data{ctx.ReadBuffer()};
 
+    LOG_DEBUG(Service_AM, "called, offset={}, size={}", offset, data.size());
+
     if (data.size() > backing.buffer.size() - offset) {
         LOG_ERROR(Service_AM,
                   "offset is out of bounds, backing_buffer_sz={}, data_size={}, offset={}",
@@ -753,10 +755,10 @@ void IStorageAccessor::Read(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
 
     const u64 offset{rp.Pop<u64>()};
-    LOG_DEBUG(Service_AM, "called, offset={}", offset);
-
     const std::size_t size{ctx.GetWriteBufferSize()};
 
+    LOG_DEBUG(Service_AM, "called, offset={}, size={}", offset, size);
+
     if (size > backing.buffer.size() - offset) {
         LOG_ERROR(Service_AM, "offset is out of bounds, backing_buffer_sz={}, size={}, offset={}",
                   backing.buffer.size(), size, offset);
@@ -791,6 +793,8 @@ static std::shared_ptr<Applets::Applet> GetAppletFromId(AppletId id) {
         return std::make_shared<Applets::ProfileSelect>();
     case AppletId::SoftwareKeyboard:
         return std::make_shared<Applets::SoftwareKeyboard>();
+    case AppletId::LibAppletOff:
+        return std::make_shared<Applets::WebBrowser>();
     default:
         LOG_ERROR(Service_AM, "Unimplemented AppletId [{:08X}]! -- Falling back to stub!",
                   static_cast<u32>(id));

src/core/hle/service/am/applets/profile_select.cpp

@@ -7,7 +7,7 @@
 #include "common/assert.h"
 #include "common/string_util.h"
 #include "core/core.h"
-#include "core/frontend/applets/software_keyboard.h"
+#include "core/frontend/applets/profile_select.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/profile_select.h"
 

src/core/hle/service/am/applets/web_browser.cpp

@@ -0,0 +1,190 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <array>
+#include <cstring>
+#include <vector>
+
+#include "common/assert.h"
+#include "common/common_funcs.h"
+#include "common/common_paths.h"
+#include "common/file_util.h"
+#include "common/hex_util.h"
+#include "common/logging/log.h"
+#include "common/string_util.h"
+#include "core/core.h"
+#include "core/file_sys/content_archive.h"
+#include "core/file_sys/mode.h"
+#include "core/file_sys/nca_metadata.h"
+#include "core/file_sys/registered_cache.h"
+#include "core/file_sys/romfs.h"
+#include "core/file_sys/vfs_types.h"
+#include "core/frontend/applets/web_browser.h"
+#include "core/hle/kernel/process.h"
+#include "core/hle/service/am/applets/web_browser.h"
+#include "core/hle/service/filesystem/filesystem.h"
+#include "core/loader/loader.h"
+
+namespace Service::AM::Applets {
+
+// TODO(DarkLordZach): There are other arguments in the WebBuffer structure that are currently not
+// parsed, for example footer mode and left stick mode. Some of these are not particularly relevant,
+// but some may be worth an implementation.
+constexpr u16 WEB_ARGUMENT_URL_TYPE = 0x6;
+
+struct WebBufferHeader {
+    u16 count;
+    INSERT_PADDING_BYTES(6);
+};
+static_assert(sizeof(WebBufferHeader) == 0x8, "WebBufferHeader has incorrect size.");
+
+struct WebArgumentHeader {
+    u16 type;
+    u16 size;
+    u32 offset;
+};
+static_assert(sizeof(WebArgumentHeader) == 0x8, "WebArgumentHeader has incorrect size.");
+
+struct WebArgumentResult {
+    u32 result_code;
+    std::array<char, 0x1000> last_url;
+    u64 last_url_size;
+};
+static_assert(sizeof(WebArgumentResult) == 0x1010, "WebArgumentResult has incorrect size.");
+
+static std::vector<u8> GetArgumentDataForTagType(const std::vector<u8>& data, u16 type) {
+    WebBufferHeader header;
+    ASSERT(sizeof(WebBufferHeader) <= data.size());
+    std::memcpy(&header, data.data(), sizeof(WebBufferHeader));
+
+    u64 offset = sizeof(WebBufferHeader);
+    for (u16 i = 0; i < header.count; ++i) {
+        WebArgumentHeader arg;
+        ASSERT(offset + sizeof(WebArgumentHeader) <= data.size());
+        std::memcpy(&arg, data.data() + offset, sizeof(WebArgumentHeader));
+        offset += sizeof(WebArgumentHeader);
+
+        if (arg.type == type) {
+            std::vector<u8> out(arg.size);
+            offset += arg.offset;
+            ASSERT(offset + arg.size <= data.size());
+            std::memcpy(out.data(), data.data() + offset, out.size());
+            return out;
+        }
+
+        offset += arg.offset + arg.size;
+    }
+
+    return {};
+}
+
+static FileSys::VirtualFile GetManualRomFS() {
+    auto& loader{Core::System::GetInstance().GetAppLoader()};
+
+    FileSys::VirtualFile out;
+    if (loader.ReadManualRomFS(out) == Loader::ResultStatus::Success)
+        return out;
+
+    const auto& installed{FileSystem::GetUnionContents()};
+    const auto res = installed.GetEntry(Core::System::GetInstance().CurrentProcess()->GetTitleID(),
+                                        FileSys::ContentRecordType::Manual);
+
+    if (res != nullptr)
+        return res->GetRomFS();
+    return nullptr;
+}
+
+WebBrowser::WebBrowser() = default;
+
+WebBrowser::~WebBrowser() = default;
+
+void WebBrowser::Initialize() {
+    Applet::Initialize();
+
+    complete = false;
+    temporary_dir.clear();
+    filename.clear();
+    status = RESULT_SUCCESS;
+
+    const auto web_arg_storage = broker.PopNormalDataToApplet();
+    ASSERT(web_arg_storage != nullptr);
+    const auto& web_arg = web_arg_storage->GetData();
+
+    const auto url_data = GetArgumentDataForTagType(web_arg, WEB_ARGUMENT_URL_TYPE);
+    filename = Common::StringFromFixedZeroTerminatedBuffer(
+        reinterpret_cast<const char*>(url_data.data()), url_data.size());
+
+    temporary_dir = FileUtil::SanitizePath(FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) +
+                                               "web_applet_manual",
+                                           FileUtil::DirectorySeparator::PlatformDefault);
+    FileUtil::DeleteDirRecursively(temporary_dir);
+
+    manual_romfs = GetManualRomFS();
+    if (manual_romfs == nullptr) {
+        status = ResultCode(-1);
+        LOG_ERROR(Service_AM, "Failed to find manual for current process!");
+    }
+
+    filename =
+        FileUtil::SanitizePath(temporary_dir + DIR_SEP + "html-document" + DIR_SEP + filename,
+                               FileUtil::DirectorySeparator::PlatformDefault);
+}
+
+bool WebBrowser::TransactionComplete() const {
+    return complete;
+}
+
+ResultCode WebBrowser::GetStatus() const {
+    return status;
+}
+
+void WebBrowser::ExecuteInteractive() {
+    UNIMPLEMENTED_MSG("Unexpected interactive data recieved!");
+}
+
+void WebBrowser::Execute() {
+    if (complete)
+        return;
+
+    if (status != RESULT_SUCCESS) {
+        complete = true;
+        return;
+    }
+
+    auto& frontend{Core::System::GetInstance().GetWebBrowser()};
+
+    frontend.OpenPage(filename, [this] { UnpackRomFS(); }, [this] { Finalize(); });
+}
+
+void WebBrowser::UnpackRomFS() {
+    if (unpacked)
+        return;
+
+    ASSERT(manual_romfs != nullptr);
+    const auto dir =
+        FileSys::ExtractRomFS(manual_romfs, FileSys::RomFSExtractionType::SingleDiscard);
+    const auto& vfs{Core::System::GetInstance().GetFilesystem()};
+    const auto temp_dir = vfs->CreateDirectory(temporary_dir, FileSys::Mode::ReadWrite);
+    FileSys::VfsRawCopyD(dir, temp_dir);
+
+    unpacked = true;
+}
+
+void WebBrowser::Finalize() {
+    complete = true;
+
+    WebArgumentResult out{};
+    out.result_code = 0;
+    out.last_url_size = 0;
+
+    std::vector<u8> data(sizeof(WebArgumentResult));
+    std::memcpy(data.data(), &out, sizeof(WebArgumentResult));
+
+    broker.PushNormalDataFromApplet(IStorage{data});
+    broker.SignalStateChanged();
+
+    FileUtil::DeleteDirRecursively(temporary_dir);
+}
+
+} // namespace Service::AM::Applets

src/core/hle/service/am/applets/web_browser.h

@@ -0,0 +1,44 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/file_sys/vfs_types.h"
+#include "core/hle/service/am/am.h"
+#include "core/hle/service/am/applets/applets.h"
+
+namespace Service::AM::Applets {
+
+class WebBrowser final : public Applet {
+public:
+    WebBrowser();
+    ~WebBrowser() override;
+
+    void Initialize() override;
+
+    bool TransactionComplete() const override;
+    ResultCode GetStatus() const override;
+    void ExecuteInteractive() override;
+    void Execute() override;
+
+    // Callback to be fired when the frontend needs the manual RomFS unpacked to temporary
+    // directory. This is a blocking call and may take a while as some manuals can be up to 100MB in
+    // size. Attempting to access files at filename before invocation is likely to not work.
+    void UnpackRomFS();
+
+    // Callback to be fired when the frontend is finished browsing. This will delete the temporary
+    // manual RomFS extracted files, so ensure this is only called at actual finalization.
+    void Finalize();
+
+private:
+    bool complete = false;
+    bool unpacked = false;
+    ResultCode status = RESULT_SUCCESS;
+
+    FileSys::VirtualFile manual_romfs;
+    std::string temporary_dir;
+    std::string filename;
+};
+
+} // namespace Service::AM::Applets

src/core/hle/service/hid/controllers/npad.cpp

@@ -410,6 +410,8 @@ void Controller_NPad::OnUpdate(u8* data, std::size_t data_len) {
         libnx_entry.pad.pad_states.raw = pad_state.pad_states.raw;
         libnx_entry.pad.l_stick = pad_state.l_stick;
         libnx_entry.pad.r_stick = pad_state.r_stick;
+
+        press_state |= static_cast<u32>(pad_state.pad_states.raw);
     }
     std::memcpy(data + NPAD_OFFSET, shared_memory_entries.data(),
                 shared_memory_entries.size() * sizeof(NPadEntry));
@@ -636,6 +638,10 @@ void Controller_NPad::ClearAllControllers() {
                   });
 }
 
+u32 Controller_NPad::GetAndResetPressState() {
+    return std::exchange(press_state, 0);
+}
+
 bool Controller_NPad::IsControllerSupported(NPadControllerType controller) const {
     const bool support_handheld =
         std::find(supported_npad_id_types.begin(), supported_npad_id_types.end(), NPAD_HANDHELD) !=

src/core/hle/service/hid/controllers/npad.h

@@ -124,6 +124,10 @@ public:
     void ConnectAllDisconnectedControllers();
     void ClearAllControllers();
 
+    // Logical OR for all buttons presses on all controllers
+    // Specifically for cheat engine and other features.
+    u32 GetAndResetPressState();
+
     static std::size_t NPadIdToIndex(u32 npad_id);
     static u32 IndexToNPad(std::size_t index);
 
@@ -292,6 +296,8 @@ private:
         bool is_connected;
     };
 
+    u32 press_state{};
+
     NPadType style{};
     std::array<NPadEntry, 10> shared_memory_entries{};
     std::array<

src/core/hle/service/hid/hid.h

@@ -4,12 +4,122 @@
 
 #pragma once
 
+#include "controllers/controller_base.h"
+#include "core/hle/service/service.h"
+
+namespace CoreTiming {
+struct EventType;
+}
+
+namespace Kernel {
+class SharedMemory;
+}
+
 namespace SM {
 class ServiceManager;
 }
 
 namespace Service::HID {
 
+enum class HidController : std::size_t {
+    DebugPad,
+    Touchscreen,
+    Mouse,
+    Keyboard,
+    XPad,
+    Unknown1,
+    Unknown2,
+    Unknown3,
+    SixAxisSensor,
+    NPad,
+    Gesture,
+
+    MaxControllers,
+};
+
+class IAppletResource final : public ServiceFramework<IAppletResource> {
+public:
+    IAppletResource();
+    ~IAppletResource() override;
+
+    void ActivateController(HidController controller);
+    void DeactivateController(HidController controller);
+
+    template <typename T>
+    T& GetController(HidController controller) {
+        return static_cast<T&>(*controllers[static_cast<size_t>(controller)]);
+    }
+
+    template <typename T>
+    const T& GetController(HidController controller) const {
+        return static_cast<T&>(*controllers[static_cast<size_t>(controller)]);
+    }
+
+private:
+    template <typename T>
+    void MakeController(HidController controller) {
+        controllers[static_cast<std::size_t>(controller)] = std::make_unique<T>();
+    }
+
+    void GetSharedMemoryHandle(Kernel::HLERequestContext& ctx);
+    void UpdateControllers(u64 userdata, int cycles_late);
+
+    Kernel::SharedPtr<Kernel::SharedMemory> shared_mem;
+
+    CoreTiming::EventType* pad_update_event;
+
+    std::array<std::unique_ptr<ControllerBase>, static_cast<size_t>(HidController::MaxControllers)>
+        controllers{};
+};
+
+class Hid final : public ServiceFramework<Hid> {
+public:
+    Hid();
+    ~Hid() override;
+
+    std::shared_ptr<IAppletResource> GetAppletResource();
+
+private:
+    void CreateAppletResource(Kernel::HLERequestContext& ctx);
+    void ActivateXpad(Kernel::HLERequestContext& ctx);
+    void ActivateDebugPad(Kernel::HLERequestContext& ctx);
+    void ActivateTouchScreen(Kernel::HLERequestContext& ctx);
+    void ActivateMouse(Kernel::HLERequestContext& ctx);
+    void ActivateKeyboard(Kernel::HLERequestContext& ctx);
+    void ActivateGesture(Kernel::HLERequestContext& ctx);
+    void ActivateNpadWithRevision(Kernel::HLERequestContext& ctx);
+    void StartSixAxisSensor(Kernel::HLERequestContext& ctx);
+    void SetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx);
+    void IsSixAxisSensorAtRest(Kernel::HLERequestContext& ctx);
+    void SetSupportedNpadStyleSet(Kernel::HLERequestContext& ctx);
+    void GetSupportedNpadStyleSet(Kernel::HLERequestContext& ctx);
+    void SetSupportedNpadIdType(Kernel::HLERequestContext& ctx);
+    void ActivateNpad(Kernel::HLERequestContext& ctx);
+    void AcquireNpadStyleSetUpdateEventHandle(Kernel::HLERequestContext& ctx);
+    void DisconnectNpad(Kernel::HLERequestContext& ctx);
+    void GetPlayerLedPattern(Kernel::HLERequestContext& ctx);
+    void SetNpadJoyHoldType(Kernel::HLERequestContext& ctx);
+    void GetNpadJoyHoldType(Kernel::HLERequestContext& ctx);
+    void SetNpadJoyAssignmentModeSingleByDefault(Kernel::HLERequestContext& ctx);
+    void BeginPermitVibrationSession(Kernel::HLERequestContext& ctx);
+    void EndPermitVibrationSession(Kernel::HLERequestContext& ctx);
+    void SendVibrationValue(Kernel::HLERequestContext& ctx);
+    void SendVibrationValues(Kernel::HLERequestContext& ctx);
+    void GetActualVibrationValue(Kernel::HLERequestContext& ctx);
+    void SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx);
+    void MergeSingleJoyAsDualJoy(Kernel::HLERequestContext& ctx);
+    void SetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx);
+    void GetVibrationDeviceInfo(Kernel::HLERequestContext& ctx);
+    void CreateActiveVibrationDeviceList(Kernel::HLERequestContext& ctx);
+    void ActivateConsoleSixAxisSensor(Kernel::HLERequestContext& ctx);
+    void StartConsoleSixAxisSensor(Kernel::HLERequestContext& ctx);
+    void StopSixAxisSensor(Kernel::HLERequestContext& ctx);
+    void SetIsPalmaAllConnectable(Kernel::HLERequestContext& ctx);
+    void SetPalmaBoostMode(Kernel::HLERequestContext& ctx);
+
+    std::shared_ptr<IAppletResource> applet_resource;
+};
+
 /// Reload input devices. Used when input configuration changed
 void ReloadInputDevices();
 

src/core/hle/service/time/time.cpp

@@ -12,9 +12,16 @@
 #include "core/hle/kernel/client_session.h"
 #include "core/hle/service/time/interface.h"
 #include "core/hle/service/time/time.h"
+#include "core/settings.h"
 
 namespace Service::Time {
 
+static std::chrono::seconds GetSecondsSinceEpoch() {
+    return std::chrono::duration_cast<std::chrono::seconds>(
+               std::chrono::system_clock::now().time_since_epoch()) +
+           Settings::values.custom_rtc_differential;
+}
+
 static void PosixToCalendar(u64 posix_time, CalendarTime& calendar_time,
                             CalendarAdditionalInfo& additional_info,
                             [[maybe_unused]] const TimeZoneRule& /*rule*/) {
@@ -68,9 +75,7 @@ public:
 
 private:
     void GetCurrentTime(Kernel::HLERequestContext& ctx) {
-        const s64 time_since_epoch{std::chrono::duration_cast<std::chrono::seconds>(
-                                       std::chrono::system_clock::now().time_since_epoch())
-                                       .count()};
+        const s64 time_since_epoch{GetSecondsSinceEpoch().count()};
         LOG_DEBUG(Service_Time, "called");
 
         IPC::ResponseBuilder rb{ctx, 4};
@@ -266,10 +271,7 @@ void Module::Interface::GetClockSnapshot(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto initial_type = rp.PopRaw<u8>();
 
-    const s64 time_since_epoch{std::chrono::duration_cast<std::chrono::seconds>(
-                                   std::chrono::system_clock::now().time_since_epoch())
-                                   .count()};
-
+    const s64 time_since_epoch{GetSecondsSinceEpoch().count()};
     const std::time_t time(time_since_epoch);
     const std::tm* tm = std::localtime(&time);
     if (tm == nullptr) {

src/core/hle/service/vi/vi.cpp

@@ -32,6 +32,9 @@
 
 namespace Service::VI {
 
+constexpr ResultCode ERR_OPERATION_FAILED{ErrorModule::VI, 1};
+constexpr ResultCode ERR_UNSUPPORTED{ErrorModule::VI, 6};
+
 struct DisplayInfo {
     /// The name of this particular display.
     char display_name[0x40]{"Default"};
@@ -874,6 +877,22 @@ public:
     ~IApplicationDisplayService() = default;
 
 private:
+    enum class ConvertedScaleMode : u64 {
+        Freeze = 0,
+        ScaleToWindow = 1,
+        ScaleAndCrop = 2,
+        None = 3,
+        PreserveAspectRatio = 4,
+    };
+
+    enum class NintendoScaleMode : u32 {
+        None = 0,
+        Freeze = 1,
+        ScaleToWindow = 2,
+        ScaleAndCrop = 3,
+        PreserveAspectRatio = 4,
+    };
+
     void GetRelayService(Kernel::HLERequestContext& ctx) {
         LOG_WARNING(Service_VI, "(STUBBED) called");
 
@@ -974,13 +993,27 @@ private:
 
     void SetLayerScalingMode(Kernel::HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
-        const u32 scaling_mode = rp.Pop<u32>();
+        const auto scaling_mode = rp.PopEnum<NintendoScaleMode>();
         const u64 unknown = rp.Pop<u64>();
 
-        LOG_WARNING(Service_VI, "(STUBBED) called. scaling_mode=0x{:08X}, unknown=0x{:016X}",
-                    scaling_mode, unknown);
+        LOG_DEBUG(Service_VI, "called. scaling_mode=0x{:08X}, unknown=0x{:016X}",
+                  static_cast<u32>(scaling_mode), unknown);
 
         IPC::ResponseBuilder rb{ctx, 2};
+
+        if (scaling_mode > NintendoScaleMode::PreserveAspectRatio) {
+            LOG_ERROR(Service_VI, "Invalid scaling mode provided.");
+            rb.Push(ERR_OPERATION_FAILED);
+            return;
+        }
+
+        if (scaling_mode != NintendoScaleMode::ScaleToWindow &&
+            scaling_mode != NintendoScaleMode::PreserveAspectRatio) {
+            LOG_ERROR(Service_VI, "Unsupported scaling mode supplied.");
+            rb.Push(ERR_UNSUPPORTED);
+            return;
+        }
+
         rb.Push(RESULT_SUCCESS);
     }
 
@@ -1061,51 +1094,37 @@ private:
         rb.PushCopyObjects(vsync_event);
     }
 
-    enum class ConvertedScaleMode : u64 {
-        None = 0, // VI seems to name this as "Unknown" but lots of games pass it, assume it's no
-                  // scaling/default
-        Freeze = 1,
-        ScaleToWindow = 2,
-        Crop = 3,
-        NoCrop = 4,
-    };
-
-    // This struct is different, currently it's 1:1 but this might change in the future.
-    enum class NintendoScaleMode : u32 {
-        None = 0,
-        Freeze = 1,
-        ScaleToWindow = 2,
-        Crop = 3,
-        NoCrop = 4,
-    };
-
     void ConvertScalingMode(Kernel::HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
-        auto mode = rp.PopEnum<NintendoScaleMode>();
+        const auto mode = rp.PopEnum<NintendoScaleMode>();
         LOG_DEBUG(Service_VI, "called mode={}", static_cast<u32>(mode));
 
-        IPC::ResponseBuilder rb{ctx, 4};
-        rb.Push(RESULT_SUCCESS);
+        const auto converted_mode = ConvertScalingModeImpl(mode);
+
+        if (converted_mode.Succeeded()) {
+            IPC::ResponseBuilder rb{ctx, 4};
+            rb.Push(RESULT_SUCCESS);
+            rb.PushEnum(*converted_mode);
+        } else {
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(converted_mode.Code());
+        }
+    }
+
+    static ResultVal<ConvertedScaleMode> ConvertScalingModeImpl(NintendoScaleMode mode) {
         switch (mode) {
         case NintendoScaleMode::None:
-            rb.PushEnum(ConvertedScaleMode::None);
-            break;
+            return MakeResult(ConvertedScaleMode::None);
         case NintendoScaleMode::Freeze:
-            rb.PushEnum(ConvertedScaleMode::Freeze);
-            break;
+            return MakeResult(ConvertedScaleMode::Freeze);
         case NintendoScaleMode::ScaleToWindow:
-            rb.PushEnum(ConvertedScaleMode::ScaleToWindow);
-            break;
-        case NintendoScaleMode::Crop:
-            rb.PushEnum(ConvertedScaleMode::Crop);
-            break;
-        case NintendoScaleMode::NoCrop:
-            rb.PushEnum(ConvertedScaleMode::NoCrop);
-            break;
+            return MakeResult(ConvertedScaleMode::ScaleToWindow);
+        case NintendoScaleMode::ScaleAndCrop:
+            return MakeResult(ConvertedScaleMode::ScaleAndCrop);
+        case NintendoScaleMode::PreserveAspectRatio:
+            return MakeResult(ConvertedScaleMode::PreserveAspectRatio);
         default:
-            UNIMPLEMENTED_MSG("Unknown scaling mode {}", static_cast<u32>(mode));
-            rb.PushEnum(ConvertedScaleMode::None);
-            break;
+            return ERR_OPERATION_FAILED;
         }
     }
 

src/core/loader/loader.h

@@ -178,6 +178,8 @@ public:
 
     /**
      * Get the banner (typically banner section) of the application
+     * In the context of NX, this is the animation that displays in the bottom right of the screen
+     * when a game boots. Stored in GIF format.
      * @param buffer Reference to buffer to store data
      * @return ResultStatus result of function
      */
@@ -187,6 +189,8 @@ public:
 
     /**
      * Get the logo (typically logo section) of the application
+     * In the context of NX, this is the static image that displays in the top left of the screen
+     * when a game boots. Stored in JPEG format.
      * @param buffer Reference to buffer to store data
      * @return ResultStatus result of function
      */
@@ -259,6 +263,15 @@ public:
         return ResultStatus::ErrorNotImplemented;
     }
 
+    /**
+     * Get the RomFS of the manual of the application
+     * @param file The raw manual RomFS of the game
+     * @return ResultStatus result of function
+     */
+    virtual ResultStatus ReadManualRomFS(FileSys::VirtualFile& file) {
+        return ResultStatus::ErrorNotImplemented;
+    }
+
 protected:
     FileSys::VirtualFile file;
     bool is_loaded = false;

src/core/loader/nax.cpp

@@ -79,4 +79,13 @@ u64 AppLoader_NAX::ReadRomFSIVFCOffset() const {
 ResultStatus AppLoader_NAX::ReadProgramId(u64& out_program_id) {
     return nca_loader->ReadProgramId(out_program_id);
 }
+
+ResultStatus AppLoader_NAX::ReadBanner(std::vector<u8>& buffer) {
+    return nca_loader->ReadBanner(buffer);
+}
+
+ResultStatus AppLoader_NAX::ReadLogo(std::vector<u8>& buffer) {
+    return nca_loader->ReadLogo(buffer);
+}
+
 } // namespace Loader

src/core/loader/nax.h

@@ -39,6 +39,9 @@ public:
     u64 ReadRomFSIVFCOffset() const override;
     ResultStatus ReadProgramId(u64& out_program_id) override;
 
+    ResultStatus ReadBanner(std::vector<u8>& buffer) override;
+    ResultStatus ReadLogo(std::vector<u8>& buffer) override;
+
 private:
     std::unique_ptr<FileSys::NAX> nax;
     std::unique_ptr<AppLoader_NCA> nca_loader;

src/core/loader/nca.cpp

@@ -84,4 +84,23 @@ ResultStatus AppLoader_NCA::ReadProgramId(u64& out_program_id) {
     return ResultStatus::Success;
 }
 
+ResultStatus AppLoader_NCA::ReadBanner(std::vector<u8>& buffer) {
+    if (nca == nullptr || nca->GetStatus() != ResultStatus::Success)
+        return ResultStatus::ErrorNotInitialized;
+    const auto logo = nca->GetLogoPartition();
+    if (logo == nullptr)
+        return ResultStatus::ErrorNoIcon;
+    buffer = logo->GetFile("StartupMovie.gif")->ReadAllBytes();
+    return ResultStatus::Success;
+}
+
+ResultStatus AppLoader_NCA::ReadLogo(std::vector<u8>& buffer) {
+    if (nca == nullptr || nca->GetStatus() != ResultStatus::Success)
+        return ResultStatus::ErrorNotInitialized;
+    const auto logo = nca->GetLogoPartition();
+    if (logo == nullptr)
+        return ResultStatus::ErrorNoIcon;
+    buffer = logo->GetFile("NintendoLogo.png")->ReadAllBytes();
+    return ResultStatus::Success;
+}
 } // namespace Loader

src/core/loader/nca.h

@@ -39,6 +39,9 @@ public:
     u64 ReadRomFSIVFCOffset() const override;
     ResultStatus ReadProgramId(u64& out_program_id) override;
 
+    ResultStatus ReadBanner(std::vector<u8>& buffer) override;
+    ResultStatus ReadLogo(std::vector<u8>& buffer) override;
+
 private:
     std::unique_ptr<FileSys::NCA> nca;
     std::unique_ptr<AppLoader_DeconstructedRomDirectory> directory_loader;

src/core/loader/nsp.cpp

@@ -158,4 +158,21 @@ ResultStatus AppLoader_NSP::ReadControlData(FileSys::NACP& nacp) {
     nacp = *nacp_file;
     return ResultStatus::Success;
 }
+
+ResultStatus AppLoader_NSP::ReadManualRomFS(FileSys::VirtualFile& file) {
+    const auto nca = nsp->GetNCA(nsp->GetProgramTitleID(), FileSys::ContentRecordType::Manual);
+    if (nsp->GetStatus() != ResultStatus::Success || nca == nullptr)
+        return ResultStatus::ErrorNoRomFS;
+    file = nca->GetRomFS();
+    return file == nullptr ? ResultStatus::ErrorNoRomFS : ResultStatus::Success;
+}
+
+ResultStatus AppLoader_NSP::ReadBanner(std::vector<u8>& buffer) {
+    return secondary_loader->ReadBanner(buffer);
+}
+
+ResultStatus AppLoader_NSP::ReadLogo(std::vector<u8>& buffer) {
+    return secondary_loader->ReadLogo(buffer);
+}
+
 } // namespace Loader

src/core/loader/nsp.h

@@ -44,6 +44,10 @@ public:
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;
     ResultStatus ReadTitle(std::string& title) override;
     ResultStatus ReadControlData(FileSys::NACP& nacp) override;
+    ResultStatus ReadManualRomFS(FileSys::VirtualFile& file) override;
+
+    ResultStatus ReadBanner(std::vector<u8>& buffer) override;
+    ResultStatus ReadLogo(std::vector<u8>& buffer) override;
 
 private:
     std::unique_ptr<FileSys::NSP> nsp;

src/core/loader/xci.cpp

@@ -128,4 +128,21 @@ ResultStatus AppLoader_XCI::ReadControlData(FileSys::NACP& control) {
     return ResultStatus::Success;
 }
 
+ResultStatus AppLoader_XCI::ReadManualRomFS(FileSys::VirtualFile& file) {
+    const auto nca = xci->GetSecurePartitionNSP()->GetNCA(xci->GetProgramTitleID(),
+                                                          FileSys::ContentRecordType::Manual);
+    if (xci->GetStatus() != ResultStatus::Success || nca == nullptr)
+        return ResultStatus::ErrorXCIMissingPartition;
+    file = nca->GetRomFS();
+    return file == nullptr ? ResultStatus::ErrorNoRomFS : ResultStatus::Success;
+}
+
+ResultStatus AppLoader_XCI::ReadBanner(std::vector<u8>& buffer) {
+    return nca_loader->ReadBanner(buffer);
+}
+
+ResultStatus AppLoader_XCI::ReadLogo(std::vector<u8>& buffer) {
+    return nca_loader->ReadLogo(buffer);
+}
+
 } // namespace Loader

src/core/loader/xci.h

@@ -44,6 +44,10 @@ public:
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;
     ResultStatus ReadTitle(std::string& title) override;
     ResultStatus ReadControlData(FileSys::NACP& control) override;
+    ResultStatus ReadManualRomFS(FileSys::VirtualFile& file) override;
+
+    ResultStatus ReadBanner(std::vector<u8>& buffer) override;
+    ResultStatus ReadLogo(std::vector<u8>& buffer) override;
 
 private:
     std::unique_ptr<FileSys::XCI> xci;

src/core/settings.cpp

@@ -74,4 +74,33 @@ void Apply() {
     Service::HID::ReloadInputDevices();
 }
 
+template <typename T>
+void LogSetting(const std::string& name, const T& value) {
+    LOG_INFO(Config, "{}: {}", name, value);
+}
+
+void LogSettings() {
+    LOG_INFO(Config, "yuzu Configuration:");
+    LogSetting("System_UseDockedMode", Settings::values.use_docked_mode);
+    LogSetting("System_EnableNfc", Settings::values.enable_nfc);
+    LogSetting("System_RngSeed", Settings::values.rng_seed.value_or(0));
+    LogSetting("System_CurrentUser", Settings::values.current_user);
+    LogSetting("System_LanguageIndex", Settings::values.language_index);
+    LogSetting("Core_UseCpuJit", Settings::values.use_cpu_jit);
+    LogSetting("Core_UseMultiCore", Settings::values.use_multi_core);
+    LogSetting("Renderer_UseResolutionFactor", Settings::values.resolution_factor);
+    LogSetting("Renderer_UseFrameLimit", Settings::values.use_frame_limit);
+    LogSetting("Renderer_FrameLimit", Settings::values.frame_limit);
+    LogSetting("Renderer_UseAccurateGpuEmulation", Settings::values.use_accurate_gpu_emulation);
+    LogSetting("Audio_OutputEngine", Settings::values.sink_id);
+    LogSetting("Audio_EnableAudioStretching", Settings::values.enable_audio_stretching);
+    LogSetting("Audio_OutputDevice", Settings::values.audio_device_id);
+    LogSetting("DataStorage_UseVirtualSd", Settings::values.use_virtual_sd);
+    LogSetting("DataStorage_NandDir", Settings::values.nand_dir);
+    LogSetting("DataStorage_SdmcDir", Settings::values.sdmc_dir);
+    LogSetting("Debugging_UseGdbstub", Settings::values.use_gdbstub);
+    LogSetting("Debugging_GdbstubPort", Settings::values.gdbstub_port);
+    LogSetting("Debugging_ProgramArgs", Settings::values.program_args);
+}
+
 } // namespace Settings

src/core/settings.h

@@ -6,6 +6,7 @@
 
 #include <array>
 #include <atomic>
+#include <chrono>
 #include <map>
 #include <optional>
 #include <string>
@@ -350,6 +351,11 @@ struct Values {
     bool use_docked_mode;
     bool enable_nfc;
     std::optional<u32> rng_seed;
+    // Measured in seconds since epoch
+    std::optional<std::chrono::seconds> custom_rtc;
+    // Set on game boot, reset on stop. Seconds difference between current time and `custom_rtc`
+    std::chrono::seconds custom_rtc_differential;
+
     s32 current_user;
     s32 language_index;
 
@@ -419,4 +425,5 @@ struct Values {
 } extern values;
 
 void Apply();
+void LogSettings();
 } // namespace Settings

src/video_core/CMakeLists.txt

@@ -30,6 +30,8 @@ add_library(video_core STATIC
     renderer_base.h
     renderer_opengl/gl_buffer_cache.cpp
     renderer_opengl/gl_buffer_cache.h
+    renderer_opengl/gl_global_cache.cpp
+    renderer_opengl/gl_global_cache.h
     renderer_opengl/gl_primitive_assembler.cpp
     renderer_opengl/gl_primitive_assembler.h
     renderer_opengl/gl_rasterizer.cpp
@@ -57,6 +59,34 @@ add_library(video_core STATIC
     renderer_opengl/renderer_opengl.h
     renderer_opengl/utils.cpp
     renderer_opengl/utils.h
+    shader/decode/arithmetic.cpp
+    shader/decode/arithmetic_immediate.cpp
+    shader/decode/bfe.cpp
+    shader/decode/bfi.cpp
+    shader/decode/shift.cpp
+    shader/decode/arithmetic_integer.cpp
+    shader/decode/arithmetic_integer_immediate.cpp
+    shader/decode/arithmetic_half.cpp
+    shader/decode/arithmetic_half_immediate.cpp
+    shader/decode/ffma.cpp
+    shader/decode/hfma2.cpp
+    shader/decode/conversion.cpp
+    shader/decode/memory.cpp
+    shader/decode/float_set_predicate.cpp
+    shader/decode/integer_set_predicate.cpp
+    shader/decode/half_set_predicate.cpp
+    shader/decode/predicate_set_register.cpp
+    shader/decode/predicate_set_predicate.cpp
+    shader/decode/register_set_predicate.cpp
+    shader/decode/float_set.cpp
+    shader/decode/integer_set.cpp
+    shader/decode/half_set.cpp
+    shader/decode/video.cpp
+    shader/decode/xmad.cpp
+    shader/decode/other.cpp
+    shader/decode.cpp
+    shader/shader_ir.cpp
+    shader/shader_ir.h
     surface.cpp
     surface.h
     textures/astc.cpp

src/video_core/engines/maxwell_3d.cpp

@@ -37,6 +37,7 @@ void Maxwell3D::InitializeRegisterDefaults() {
         regs.viewports[viewport].depth_range_near = 0.0f;
         regs.viewports[viewport].depth_range_far = 1.0f;
     }
+
     // Doom and Bomberman seems to use the uninitialized registers and just enable blend
     // so initialize blend registers with sane values
     regs.blend.equation_rgb = Regs::Blend::Equation::Add;
@@ -66,6 +67,7 @@ void Maxwell3D::InitializeRegisterDefaults() {
     regs.stencil_back_func_func = Regs::ComparisonOp::Always;
     regs.stencil_back_func_mask = 0xFFFFFFFF;
     regs.stencil_back_mask = 0xFFFFFFFF;
+
     // TODO(Rodrigo): Most games do not set a point size. I think this is a case of a
     // register carrying a default value. Assume it's OpenGL's default (1).
     regs.point_size = 1.0f;
@@ -78,6 +80,9 @@ void Maxwell3D::InitializeRegisterDefaults() {
         regs.color_mask[color_mask].B.Assign(1);
         regs.color_mask[color_mask].A.Assign(1);
     }
+
+    // Commercial games seem to assume this value is enabled and nouveau sets this value manually.
+    regs.rt_separate_frag_data = 1;
 }
 
 void Maxwell3D::CallMacroMethod(u32 method, std::vector<u32> parameters) {
@@ -135,6 +140,25 @@ void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) {
 
     if (regs.reg_array[method_call.method] != method_call.argument) {
         regs.reg_array[method_call.method] = method_call.argument;
+        // Color buffers
+        constexpr u32 first_rt_reg = MAXWELL3D_REG_INDEX(rt);
+        constexpr u32 registers_per_rt = sizeof(regs.rt[0]) / sizeof(u32);
+        if (method_call.method >= first_rt_reg &&
+            method_call.method < first_rt_reg + registers_per_rt * Regs::NumRenderTargets) {
+            const std::size_t rt_index = (method_call.method - first_rt_reg) / registers_per_rt;
+            dirty_flags.color_buffer |= 1u << static_cast<u32>(rt_index);
+        }
+
+        // Zeta buffer
+        constexpr u32 registers_in_zeta = sizeof(regs.zeta) / sizeof(u32);
+        if (method_call.method == MAXWELL3D_REG_INDEX(zeta_enable) ||
+            method_call.method == MAXWELL3D_REG_INDEX(zeta_width) ||
+            method_call.method == MAXWELL3D_REG_INDEX(zeta_height) ||
+            (method_call.method >= MAXWELL3D_REG_INDEX(zeta) &&
+             method_call.method < MAXWELL3D_REG_INDEX(zeta) + registers_in_zeta)) {
+            dirty_flags.zeta_buffer = true;
+        }
+
         // Shader
         constexpr u32 shader_registers_count =
             sizeof(regs.shader_config[0]) * Regs::MaxShaderProgram / sizeof(u32);

src/video_core/engines/maxwell_3d.h

@@ -1089,12 +1089,17 @@ public:
     MemoryManager& memory_manager;
 
     struct DirtyFlags {
+        u8 color_buffer = 0xFF;
+        bool zeta_buffer = true;
+
         bool shaders = true;
 
         bool vertex_attrib_format = true;
         u32 vertex_array = 0xFFFFFFFF;
 
         void OnMemoryWrite() {
+            color_buffer = 0xFF;
+            zeta_buffer = true;
             shaders = true;
             vertex_array = 0xFFFFFFFF;
         }

src/video_core/engines/shader_bytecode.h

@@ -397,6 +397,10 @@ struct IpaMode {
     bool operator!=(const IpaMode& a) const {
         return !operator==(a);
     }
+    bool operator<(const IpaMode& a) const {
+        return std::tie(interpolation_mode, sampling_mode) <
+               std::tie(a.interpolation_mode, a.sampling_mode);
+    }
 };
 
 enum class SystemVariable : u64 {
@@ -644,6 +648,7 @@ union Instruction {
             BitField<37, 2, HalfPrecision> precision;
             BitField<32, 1, u64> saturate;
 
+            BitField<31, 1, u64> negate_b;
             BitField<30, 1, u64> negate_c;
             BitField<35, 2, HalfType> type_c;
         } rr;
@@ -1431,6 +1436,7 @@ public:
         PredicateSetRegister,
         RegisterSetPredicate,
         Conversion,
+        Video,
         Xmad,
         Unknown,
     };
@@ -1562,8 +1568,8 @@ private:
             INST("11100000--------", Id::IPA, Type::Trivial, "IPA"),
             INST("1111101111100---", Id::OUT_R, Type::Trivial, "OUT_R"),
             INST("1110111111010---", Id::ISBERD, Type::Trivial, "ISBERD"),
-            INST("01011111--------", Id::VMAD, Type::Trivial, "VMAD"),
-            INST("0101000011110---", Id::VSETP, Type::Trivial, "VSETP"),
+            INST("01011111--------", Id::VMAD, Type::Video, "VMAD"),
+            INST("0101000011110---", Id::VSETP, Type::Video, "VSETP"),
             INST("0011001-1-------", Id::FFMA_IMM, Type::Ffma, "FFMA_IMM"),
             INST("010010011-------", Id::FFMA_CR, Type::Ffma, "FFMA_CR"),
             INST("010100011-------", Id::FFMA_RC, Type::Ffma, "FFMA_RC"),

src/video_core/engines/shader_header.h

@@ -106,7 +106,7 @@ struct Header {
         } ps;
     };
 
-    u64 GetLocalMemorySize() {
+    u64 GetLocalMemorySize() const {
         return (common1.shader_local_memory_low_size |
                 (common2.shader_local_memory_high_size << 24));
     }

src/video_core/rasterizer_interface.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <functional>
 #include "common/common_types.h"
 #include "video_core/engines/fermi_2d.h"
 #include "video_core/gpu.h"
@@ -11,6 +12,14 @@
 
 namespace VideoCore {
 
+enum class LoadCallbackStage {
+    Prepare,
+    Decompile,
+    Build,
+    Complete,
+};
+using DiskResourceLoadCallback = std::function<void(LoadCallbackStage, std::size_t, std::size_t)>;
+
 class RasterizerInterface {
 public:
     virtual ~RasterizerInterface() {}

src/video_core/renderer_opengl/gl_buffer_cache.cpp

@@ -14,7 +14,7 @@
 namespace OpenGL {
 
 OGLBufferCache::OGLBufferCache(RasterizerOpenGL& rasterizer, std::size_t size)
-    : RasterizerCache{rasterizer}, stream_buffer(GL_ARRAY_BUFFER, size) {}
+    : RasterizerCache{rasterizer}, stream_buffer(size, true) {}
 
 GLintptr OGLBufferCache::UploadMemory(Tegra::GPUVAddr gpu_addr, std::size_t size,
                                       std::size_t alignment, bool cache) {

src/video_core/renderer_opengl/gl_global_cache.cpp

@@ -0,0 +1,24 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <glad/glad.h>
+
+#include "video_core/renderer_opengl/gl_global_cache.h"
+#include "video_core/renderer_opengl/gl_rasterizer.h"
+#include "video_core/renderer_opengl/utils.h"
+
+namespace OpenGL {
+
+CachedGlobalRegion::CachedGlobalRegion(VAddr addr, u32 size) : addr{addr}, size{size} {
+    buffer.Create();
+    // Bind and unbind the buffer so it gets allocated by the driver
+    glBindBuffer(GL_SHADER_STORAGE_BUFFER, buffer.handle);
+    glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
+    LabelGLObject(GL_BUFFER, buffer.handle, addr, "GlobalMemory");
+}
+
+GlobalRegionCacheOpenGL::GlobalRegionCacheOpenGL(RasterizerOpenGL& rasterizer)
+    : RasterizerCache{rasterizer} {}
+
+} // namespace OpenGL

src/video_core/renderer_opengl/gl_global_cache.h

@@ -0,0 +1,60 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <glad/glad.h>
+
+#include "common/common_types.h"
+#include "video_core/rasterizer_cache.h"
+#include "video_core/renderer_opengl/gl_resource_manager.h"
+
+namespace OpenGL {
+
+namespace GLShader {
+class GlobalMemoryEntry;
+} // namespace GLShader
+
+class RasterizerOpenGL;
+class CachedGlobalRegion;
+using GlobalRegion = std::shared_ptr<CachedGlobalRegion>;
+
+class CachedGlobalRegion final : public RasterizerCacheObject {
+public:
+    explicit CachedGlobalRegion(VAddr addr, u32 size);
+
+    /// Gets the address of the shader in guest memory, required for cache management
+    VAddr GetAddr() const {
+        return addr;
+    }
+
+    /// Gets the size of the shader in guest memory, required for cache management
+    std::size_t GetSizeInBytes() const {
+        return size;
+    }
+
+    /// Gets the GL program handle for the buffer
+    GLuint GetBufferHandle() const {
+        return buffer.handle;
+    }
+
+    // TODO(Rodrigo): When global memory is written (STG), implement flushing
+    void Flush() override {
+        UNIMPLEMENTED();
+    }
+
+private:
+    VAddr addr{};
+    u32 size{};
+
+    OGLBuffer buffer;
+};
+
+class GlobalRegionCacheOpenGL final : public RasterizerCache<GlobalRegion> {
+public:
+    explicit GlobalRegionCacheOpenGL(RasterizerOpenGL& rasterizer);
+};
+
+} // namespace OpenGL

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -101,7 +101,7 @@ struct FramebufferCacheKey {
 
 RasterizerOpenGL::RasterizerOpenGL(Core::Frontend::EmuWindow& window, ScreenInfo& info)
     : res_cache{*this}, shader_cache{*this}, emu_window{window}, screen_info{info},
-      buffer_cache(*this, STREAM_BUFFER_SIZE) {
+      buffer_cache(*this, STREAM_BUFFER_SIZE), global_cache{*this} {
     // Create sampler objects
     for (std::size_t i = 0; i < texture_samplers.size(); ++i) {
         texture_samplers[i].Create();
@@ -135,27 +135,31 @@ void RasterizerOpenGL::CheckExtensions() {
     }
 }
 
-void RasterizerOpenGL::SetupVertexFormat() {
+GLuint RasterizerOpenGL::SetupVertexFormat() {
     auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
     const auto& regs = gpu.regs;
 
-    if (!gpu.dirty_flags.vertex_attrib_format)
-        return;
+    if (!gpu.dirty_flags.vertex_attrib_format) {
+        return state.draw.vertex_array;
+    }
     gpu.dirty_flags.vertex_attrib_format = false;
 
     MICROPROFILE_SCOPE(OpenGL_VAO);
 
     auto [iter, is_cache_miss] = vertex_array_cache.try_emplace(regs.vertex_attrib_format);
-    auto& VAO = iter->second;
+    auto& vao_entry = iter->second;
 
     if (is_cache_miss) {
-        VAO.Create();
-        state.draw.vertex_array = VAO.handle;
-        state.ApplyVertexBufferState();
+        vao_entry.Create();
+        const GLuint vao = vao_entry.handle;
 
-        // The index buffer binding is stored within the VAO. Stupid OpenGL, but easy to work
-        // around.
-        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer_cache.GetHandle());
+        // Eventhough we are using DSA to create this vertex array, there is a bug on Intel's blob
+        // that fails to properly create the vertex array if it's not bound even after creating it
+        // with glCreateVertexArrays
+        state.draw.vertex_array = vao;
+        state.ApplyVertexArrayState();
+
+        glVertexArrayElementBuffer(vao, buffer_cache.GetHandle());
 
         // Use the vertex array as-is, assumes that the data is formatted correctly for OpenGL.
         // Enables the first 16 vertex attributes always, as we don't know which ones are actually
@@ -163,7 +167,7 @@ void RasterizerOpenGL::SetupVertexFormat() {
         // for now to avoid OpenGL errors.
         // TODO(Subv): Analyze the shader to identify which attributes are actually used and don't
         // assume every shader uses them all.
-        for (unsigned index = 0; index < 16; ++index) {
+        for (u32 index = 0; index < 16; ++index) {
             const auto& attrib = regs.vertex_attrib_format[index];
 
             // Ignore invalid attributes.
@@ -178,28 +182,29 @@ void RasterizerOpenGL::SetupVertexFormat() {
 
             ASSERT(buffer.IsEnabled());
 
-            glEnableVertexAttribArray(index);
+            glEnableVertexArrayAttrib(vao, index);
             if (attrib.type == Tegra::Engines::Maxwell3D::Regs::VertexAttribute::Type::SignedInt ||
                 attrib.type ==
                     Tegra::Engines::Maxwell3D::Regs::VertexAttribute::Type::UnsignedInt) {
-                glVertexAttribIFormat(index, attrib.ComponentCount(),
-                                      MaxwellToGL::VertexType(attrib), attrib.offset);
+                glVertexArrayAttribIFormat(vao, index, attrib.ComponentCount(),
+                                           MaxwellToGL::VertexType(attrib), attrib.offset);
             } else {
-                glVertexAttribFormat(index, attrib.ComponentCount(),
-                                     MaxwellToGL::VertexType(attrib),
-                                     attrib.IsNormalized() ? GL_TRUE : GL_FALSE, attrib.offset);
+                glVertexArrayAttribFormat(
+                    vao, index, attrib.ComponentCount(), MaxwellToGL::VertexType(attrib),
+                    attrib.IsNormalized() ? GL_TRUE : GL_FALSE, attrib.offset);
             }
-            glVertexAttribBinding(index, attrib.buffer);
+            glVertexArrayAttribBinding(vao, index, attrib.buffer);
         }
     }
-    state.draw.vertex_array = VAO.handle;
-    state.ApplyVertexBufferState();
 
     // Rebinding the VAO invalidates the vertex buffer bindings.
     gpu.dirty_flags.vertex_array = 0xFFFFFFFF;
+
+    state.draw.vertex_array = vao_entry.handle;
+    return vao_entry.handle;
 }
 
-void RasterizerOpenGL::SetupVertexBuffer() {
+void RasterizerOpenGL::SetupVertexBuffer(GLuint vao) {
     auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
     const auto& regs = gpu.regs;
 
@@ -217,7 +222,7 @@ void RasterizerOpenGL::SetupVertexBuffer() {
         if (!vertex_array.IsEnabled())
             continue;
 
-        Tegra::GPUVAddr start = vertex_array.StartAddress();
+        const Tegra::GPUVAddr start = vertex_array.StartAddress();
         const Tegra::GPUVAddr end = regs.vertex_array_limit[index].LimitAddress();
 
         ASSERT(end > start);
@@ -225,21 +230,18 @@ void RasterizerOpenGL::SetupVertexBuffer() {
         const GLintptr vertex_buffer_offset = buffer_cache.UploadMemory(start, size);
 
         // Bind the vertex array to the buffer at the current offset.
-        glBindVertexBuffer(index, buffer_cache.GetHandle(), vertex_buffer_offset,
-                           vertex_array.stride);
+        glVertexArrayVertexBuffer(vao, index, buffer_cache.GetHandle(), vertex_buffer_offset,
+                                  vertex_array.stride);
 
         if (regs.instanced_arrays.IsInstancingEnabled(index) && vertex_array.divisor != 0) {
             // Enable vertex buffer instancing with the specified divisor.
-            glVertexBindingDivisor(index, vertex_array.divisor);
+            glVertexArrayBindingDivisor(vao, index, vertex_array.divisor);
         } else {
             // Disable the vertex buffer instancing.
-            glVertexBindingDivisor(index, 0);
+            glVertexArrayBindingDivisor(vao, index, 0);
         }
     }
 
-    // Implicit set by glBindVertexBuffer. Stupid glstate handling...
-    state.draw.vertex_buffer = buffer_cache.GetHandle();
-
     gpu.dirty_flags.vertex_array = 0;
 }
 
@@ -365,7 +367,7 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
         // (sometimes it's half the screen, sometimes three quarters). To avoid this, enable the
         // clip distances only when it's written by a shader stage.
         for (std::size_t i = 0; i < Maxwell::NumClipDistances; ++i) {
-            clip_distances[i] |= shader->GetShaderEntries().clip_distances[i];
+            clip_distances[i] = clip_distances[i] || shader->GetShaderEntries().clip_distances[i];
         }
 
         // When VertexA is enabled, we have dual vertex shaders
@@ -488,17 +490,26 @@ void RasterizerOpenGL::ConfigureFramebuffers(OpenGLState& current_state, bool us
                                              bool using_depth_fb, bool preserve_contents,
                                              std::optional<std::size_t> single_color_target) {
     MICROPROFILE_SCOPE(OpenGL_Framebuffer);
-    const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
+    const auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
+    const auto& regs = gpu.regs;
+
+    const FramebufferConfigState fb_config_state{using_color_fb, using_depth_fb, preserve_contents,
+                                                 single_color_target};
+    if (fb_config_state == current_framebuffer_config_state && gpu.dirty_flags.color_buffer == 0 &&
+        !gpu.dirty_flags.zeta_buffer) {
+        // Only skip if the previous ConfigureFramebuffers call was from the same kind (multiple or
+        // single color targets). This is done because the guest registers may not change but the
+        // host framebuffer may contain different attachments
+        return;
+    }
+    current_framebuffer_config_state = fb_config_state;
 
     Surface depth_surface;
     if (using_depth_fb) {
         depth_surface = res_cache.GetDepthBufferSurface(preserve_contents);
     }
 
-    // TODO(bunnei): Figure out how the below register works. According to envytools, this should be
-    // used to enable multiple render targets. However, it is left unset on all games that I have
-    // tested.
-    UNIMPLEMENTED_IF(regs.rt_separate_frag_data != 0);
+    UNIMPLEMENTED_IF(regs.rt_separate_frag_data == 0);
 
     // Bind the framebuffer surfaces
     current_state.framebuffer_srgb.enabled = regs.framebuffer_srgb != 0;
@@ -632,8 +643,6 @@ void RasterizerOpenGL::Clear() {
         return;
     }
 
-    ScopeAcquireGLContext acquire_context{emu_window};
-
     ConfigureFramebuffers(clear_state, use_color, use_depth || use_stencil, false,
                           regs.clear_buffers.RT.Value());
     if (regs.clear_flags.scissor) {
@@ -667,8 +676,6 @@ void RasterizerOpenGL::DrawArrays() {
     auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
     const auto& regs = gpu.regs;
 
-    ScopeAcquireGLContext acquire_context{emu_window};
-
     ConfigureFramebuffers(state);
     SyncColorMask();
     SyncFragmentColorClampState();
@@ -691,9 +698,6 @@ void RasterizerOpenGL::DrawArrays() {
     // Draw the vertex batch
     const bool is_indexed = accelerate_draw == AccelDraw::Indexed;
 
-    state.draw.vertex_buffer = buffer_cache.GetHandle();
-    state.ApplyVertexBufferState();
-
     std::size_t buffer_size = CalculateVertexArraysSize();
 
     // Add space for index buffer (keeping in mind non-core primitives)
@@ -723,8 +727,9 @@ void RasterizerOpenGL::DrawArrays() {
         gpu.dirty_flags.vertex_array = 0xFFFFFFFF;
     }
 
-    SetupVertexFormat();
-    SetupVertexBuffer();
+    const GLuint vao = SetupVertexFormat();
+    SetupVertexBuffer(vao);
+
     DrawParameters params = SetupDraw();
     SetupShaders(params.primitive_mode);
 
@@ -763,6 +768,7 @@ void RasterizerOpenGL::InvalidateRegion(VAddr addr, u64 size) {
     MICROPROFILE_SCOPE(OpenGL_CacheManagement);
     res_cache.InvalidateRegion(addr, size);
     shader_cache.InvalidateRegion(addr, size);
+    global_cache.InvalidateRegion(addr, size);
     buffer_cache.InvalidateRegion(addr, size);
 }
 
@@ -924,7 +930,7 @@ u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, Shader& shad
     const auto& gpu = Core::System::GetInstance().GPU();
     const auto& maxwell3d = gpu.Maxwell3D();
     const auto& shader_stage = maxwell3d.state.shader_stages[static_cast<std::size_t>(stage)];
-    const auto& entries = shader->GetShaderEntries().const_buffer_entries;
+    const auto& entries = shader->GetShaderEntries().const_buffers;
 
     constexpr u64 max_binds = Tegra::Engines::Maxwell3D::Regs::MaxConstBuffers;
     std::array<GLuint, max_binds> bind_buffers;
@@ -992,7 +998,7 @@ u32 RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, Shader& shader,
     MICROPROFILE_SCOPE(OpenGL_Texture);
     const auto& gpu = Core::System::GetInstance().GPU();
     const auto& maxwell3d = gpu.Maxwell3D();
-    const auto& entries = shader->GetShaderEntries().texture_samplers;
+    const auto& entries = shader->GetShaderEntries().samplers;
 
     ASSERT_MSG(current_unit + entries.size() <= std::size(state.texture_units),
                "Exceeded the number of active textures.");

src/video_core/renderer_opengl/gl_rasterizer.h

@@ -23,6 +23,7 @@
 #include "video_core/rasterizer_cache.h"
 #include "video_core/rasterizer_interface.h"
 #include "video_core/renderer_opengl/gl_buffer_cache.h"
+#include "video_core/renderer_opengl/gl_global_cache.h"
 #include "video_core/renderer_opengl/gl_primitive_assembler.h"
 #include "video_core/renderer_opengl/gl_rasterizer_cache.h"
 #include "video_core/renderer_opengl/gl_resource_manager.h"
@@ -66,6 +67,10 @@ public:
     static_assert(MaxConstbufferSize % sizeof(GLvec4) == 0,
                   "The maximum size of a constbuffer must be a multiple of the size of GLvec4");
 
+    static constexpr std::size_t MaxGlobalMemorySize = 0x10000;
+    static_assert(MaxGlobalMemorySize % sizeof(float) == 0,
+                  "The maximum size of a global memory must be a multiple of the size of float");
+
 private:
     class SamplerInfo {
     public:
@@ -94,6 +99,23 @@ private:
         float max_anisotropic = 1.0f;
     };
 
+    struct FramebufferConfigState {
+        bool using_color_fb{};
+        bool using_depth_fb{};
+        bool preserve_contents{};
+        std::optional<std::size_t> single_color_target;
+
+        bool operator==(const FramebufferConfigState& rhs) const {
+            return std::tie(using_color_fb, using_depth_fb, preserve_contents,
+                            single_color_target) == std::tie(rhs.using_color_fb, rhs.using_depth_fb,
+                                                             rhs.preserve_contents,
+                                                             rhs.single_color_target);
+        }
+        bool operator!=(const FramebufferConfigState& rhs) const {
+            return !operator==(rhs);
+        }
+    };
+
     /**
      * Configures the color and depth framebuffer states.
      * @param use_color_fb If true, configure color framebuffers.
@@ -105,7 +127,7 @@ private:
                                bool using_depth_fb = true, bool preserve_contents = true,
                                std::optional<std::size_t> single_color_target = {});
 
-    /*
+    /**
      * Configures the current constbuffers to use for the draw command.
      * @param stage The shader stage to configure buffers for.
      * @param shader The shader object that contains the specified stage.
@@ -115,7 +137,7 @@ private:
     u32 SetupConstBuffers(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, Shader& shader,
                           GLenum primitive_mode, u32 current_bindpoint);
 
-    /*
+    /**
      * Configures the current textures to use for the draw command.
      * @param stage The shader stage to configure textures for.
      * @param shader The shader object that contains the specified stage.
@@ -185,6 +207,7 @@ private:
 
     RasterizerCacheOpenGL res_cache;
     ShaderCacheOpenGL shader_cache;
+    GlobalRegionCacheOpenGL global_cache;
 
     Core::Frontend::EmuWindow& emu_window;
 
@@ -197,6 +220,7 @@ private:
         vertex_array_cache;
 
     std::map<FramebufferCacheKey, OGLFramebuffer> framebuffer_cache;
+    FramebufferConfigState current_framebuffer_config_state;
 
     std::array<SamplerInfo, Tegra::Engines::Maxwell3D::Regs::NumTextureSamplers> texture_samplers;
 
@@ -209,8 +233,10 @@ private:
 
     std::size_t CalculateIndexBufferSize() const;
 
-    void SetupVertexFormat();
-    void SetupVertexBuffer();
+    /// Updates and returns a vertex array object representing current vertex format
+    GLuint SetupVertexFormat();
+
+    void SetupVertexBuffer(GLuint vao);
 
     DrawParameters SetupDraw();
 

src/video_core/renderer_opengl/gl_rasterizer_cache.cpp

@@ -452,7 +452,7 @@ static void CopySurface(const Surface& src_surface, const Surface& dst_surface,
     const std::size_t buffer_size = std::max(src_params.size_in_bytes, dst_params.size_in_bytes);
 
     glBindBuffer(GL_PIXEL_PACK_BUFFER, copy_pbo_handle);
-    glBufferData(GL_PIXEL_PACK_BUFFER, buffer_size, nullptr, GL_STREAM_DRAW);
+    glBufferData(GL_PIXEL_PACK_BUFFER, buffer_size, nullptr, GL_STREAM_COPY);
     if (source_format.compressed) {
         glGetCompressedTextureImage(src_surface->Texture().handle, src_attachment,
                                     static_cast<GLsizei>(src_params.size_in_bytes), nullptr);
@@ -919,9 +919,16 @@ Surface RasterizerCacheOpenGL::GetTextureSurface(const Tegra::Texture::FullTextu
 }
 
 Surface RasterizerCacheOpenGL::GetDepthBufferSurface(bool preserve_contents) {
-    const auto& regs{Core::System::GetInstance().GPU().Maxwell3D().regs};
+    auto& gpu{Core::System::GetInstance().GPU().Maxwell3D()};
+    const auto& regs{gpu.regs};
+
+    if (!gpu.dirty_flags.zeta_buffer) {
+        return last_depth_buffer;
+    }
+    gpu.dirty_flags.zeta_buffer = false;
+
     if (!regs.zeta.Address() || !regs.zeta_enable) {
-        return {};
+        return last_depth_buffer = {};
     }
 
     SurfaceParams depth_params{SurfaceParams::CreateForDepthBuffer(
@@ -929,25 +936,31 @@ Surface RasterizerCacheOpenGL::GetDepthBufferSurface(bool preserve_contents) {
         regs.zeta.memory_layout.block_width, regs.zeta.memory_layout.block_height,
         regs.zeta.memory_layout.block_depth, regs.zeta.memory_layout.type)};
 
-    return GetSurface(depth_params, preserve_contents);
+    return last_depth_buffer = GetSurface(depth_params, preserve_contents);
 }
 
 Surface RasterizerCacheOpenGL::GetColorBufferSurface(std::size_t index, bool preserve_contents) {
-    const auto& regs{Core::System::GetInstance().GPU().Maxwell3D().regs};
+    auto& gpu{Core::System::GetInstance().GPU().Maxwell3D()};
+    const auto& regs{gpu.regs};
+
+    if ((gpu.dirty_flags.color_buffer & (1u << static_cast<u32>(index))) == 0) {
+        return last_color_buffers[index];
+    }
+    gpu.dirty_flags.color_buffer &= ~(1u << static_cast<u32>(index));
 
     ASSERT(index < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets);
 
     if (index >= regs.rt_control.count) {
-        return {};
+        return last_color_buffers[index] = {};
     }
 
     if (regs.rt[index].Address() == 0 || regs.rt[index].format == Tegra::RenderTargetFormat::NONE) {
-        return {};
+        return last_color_buffers[index] = {};
     }
 
     const SurfaceParams color_params{SurfaceParams::CreateForFramebuffer(index)};
 
-    return GetSurface(color_params, preserve_contents);
+    return last_color_buffers[index] = GetSurface(color_params, preserve_contents);
 }
 
 void RasterizerCacheOpenGL::LoadSurface(const Surface& surface) {

src/video_core/renderer_opengl/gl_rasterizer_cache.h

@@ -396,6 +396,9 @@ private:
     /// Use a Pixel Buffer Object to download the previous texture and then upload it to the new one
     /// using the new format.
     OGLBuffer copy_pbo;
+
+    std::array<Surface, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> last_color_buffers;
+    Surface last_depth_buffer;
 };
 
 } // namespace OpenGL

src/video_core/renderer_opengl/gl_resource_manager.cpp

@@ -117,7 +117,7 @@ void OGLBuffer::Create() {
         return;
 
     MICROPROFILE_SCOPE(OpenGL_ResourceCreation);
-    glGenBuffers(1, &handle);
+    glCreateBuffers(1, &handle);
 }
 
 void OGLBuffer::Release() {
@@ -126,7 +126,6 @@ void OGLBuffer::Release() {
 
     MICROPROFILE_SCOPE(OpenGL_ResourceDeletion);
     glDeleteBuffers(1, &handle);
-    OpenGLState::GetCurState().ResetBuffer(handle).Apply();
     handle = 0;
 }
 
@@ -152,7 +151,7 @@ void OGLVertexArray::Create() {
         return;
 
     MICROPROFILE_SCOPE(OpenGL_ResourceCreation);
-    glGenVertexArrays(1, &handle);
+    glCreateVertexArrays(1, &handle);
 }
 
 void OGLVertexArray::Release() {

src/video_core/renderer_opengl/gl_shader_cache.cpp

@@ -10,11 +10,15 @@
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/renderer_opengl/gl_rasterizer.h"
 #include "video_core/renderer_opengl/gl_shader_cache.h"
+#include "video_core/renderer_opengl/gl_shader_decompiler.h"
 #include "video_core/renderer_opengl/gl_shader_manager.h"
 #include "video_core/renderer_opengl/utils.h"
+#include "video_core/shader/shader_ir.h"
 
 namespace OpenGL {
 
+using VideoCommon::Shader::ProgramCode;
+
 /// Gets the address for the specified shader stage program
 static VAddr GetShaderAddress(Maxwell::ShaderProgram program) {
     const auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
@@ -24,8 +28,8 @@ static VAddr GetShaderAddress(Maxwell::ShaderProgram program) {
 }
 
 /// Gets the shader program code from memory for the specified address
-static GLShader::ProgramCode GetShaderCode(VAddr addr) {
-    GLShader::ProgramCode program_code(GLShader::MAX_PROGRAM_CODE_LENGTH);
+static ProgramCode GetShaderCode(VAddr addr) {
+    ProgramCode program_code(VideoCommon::Shader::MAX_PROGRAM_LENGTH);
     Memory::ReadBlock(addr, program_code.data(), program_code.size() * sizeof(u64));
     return program_code;
 }

src/video_core/renderer_opengl/gl_shader_cache.h

@@ -12,6 +12,7 @@
 #include "common/common_types.h"
 #include "video_core/rasterizer_cache.h"
 #include "video_core/renderer_opengl/gl_resource_manager.h"
+#include "video_core/renderer_opengl/gl_shader_decompiler.h"
 #include "video_core/renderer_opengl/gl_shader_gen.h"
 
 namespace OpenGL {

src/video_core/renderer_opengl/gl_shader_decompiler.h

@@ -5,21 +5,84 @@
 #pragma once
 
 #include <array>
-#include <functional>
-#include <optional>
 #include <string>
+#include <utility>
+#include <vector>
 #include "common/common_types.h"
 #include "video_core/engines/maxwell_3d.h"
-#include "video_core/renderer_opengl/gl_shader_gen.h"
+#include "video_core/shader/shader_ir.h"
 
-namespace OpenGL::GLShader::Decompiler {
+namespace VideoCommon::Shader {
+class ShaderIR;
+}
 
-using Tegra::Engines::Maxwell3D;
+namespace OpenGL::GLShader {
+
+using Maxwell = Tegra::Engines::Maxwell3D::Regs;
+
+class ConstBufferEntry : public VideoCommon::Shader::ConstBuffer {
+public:
+    explicit ConstBufferEntry(const VideoCommon::Shader::ConstBuffer& entry,
+                              Maxwell::ShaderStage stage, const std::string& name, u32 index)
+        : VideoCommon::Shader::ConstBuffer{entry}, stage{stage}, name{name}, index{index} {}
+
+    const std::string& GetName() const {
+        return name;
+    }
+
+    Maxwell::ShaderStage GetStage() const {
+        return stage;
+    }
+
+    u32 GetIndex() const {
+        return index;
+    }
+
+    u32 GetHash() const {
+        return (static_cast<u32>(stage) << 16) | index;
+    }
+
+private:
+    std::string name;
+    Maxwell::ShaderStage stage{};
+    u32 index{};
+};
+
+class SamplerEntry : public VideoCommon::Shader::Sampler {
+public:
+    explicit SamplerEntry(const VideoCommon::Shader::Sampler& entry, Maxwell::ShaderStage stage,
+                          const std::string& name)
+        : VideoCommon::Shader::Sampler{entry}, stage{stage}, name{name} {}
+
+    const std::string& GetName() const {
+        return name;
+    }
+
+    Maxwell::ShaderStage GetStage() const {
+        return stage;
+    }
+
+    u32 GetHash() const {
+        return (static_cast<u32>(stage) << 16) | static_cast<u32>(GetIndex());
+    }
+
+private:
+    std::string name;
+    Maxwell::ShaderStage stage{};
+};
+
+struct ShaderEntries {
+    std::vector<ConstBufferEntry> const_buffers;
+    std::vector<SamplerEntry> samplers;
+    std::array<bool, Maxwell::NumClipDistances> clip_distances{};
+    std::size_t shader_length{};
+};
+
+using ProgramResult = std::pair<std::string, ShaderEntries>;
 
 std::string GetCommonDeclarations();
 
-std::optional<ProgramResult> DecompileProgram(const ProgramCode& program_code, u32 main_offset,
-                                              Maxwell3D::Regs::ShaderStage stage,
-                                              const std::string& suffix);
+ProgramResult Decompile(const VideoCommon::Shader::ShaderIR& ir, Maxwell::ShaderStage stage,
+                        const std::string& suffix);
 
-} // namespace OpenGL::GLShader::Decompiler
+} // namespace OpenGL::GLShader

src/video_core/renderer_opengl/gl_shader_gen.cpp

@@ -7,22 +7,25 @@
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/renderer_opengl/gl_shader_decompiler.h"
 #include "video_core/renderer_opengl/gl_shader_gen.h"
+#include "video_core/shader/shader_ir.h"
 
 namespace OpenGL::GLShader {
 
 using Tegra::Engines::Maxwell3D;
+using VideoCommon::Shader::ProgramCode;
+using VideoCommon::Shader::ShaderIR;
 
 static constexpr u32 PROGRAM_OFFSET{10};
 
 ProgramResult GenerateVertexShader(const ShaderSetup& setup) {
+    const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
+
     std::string out = "#version 430 core\n";
     out += "#extension GL_ARB_separate_shader_objects : enable\n\n";
-    const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
     out += "// Shader Unique Id: VS" + id + "\n\n";
-    out += Decompiler::GetCommonDeclarations();
+    out += GetCommonDeclarations();
 
     out += R"(
-
 layout (location = 0) out vec4 position;
 
 layout(std140) uniform vs_config {
@@ -30,40 +33,32 @@ layout(std140) uniform vs_config {
     uvec4 config_pack; // instance_id, flip_stage, y_direction, padding
     uvec4 alpha_test;
 };
+
 )";
-
-    if (setup.IsDualProgram()) {
-        out += "bool exec_vertex_b();\n";
-    }
-
-    ProgramResult program =
-        Decompiler::DecompileProgram(setup.program.code, PROGRAM_OFFSET,
-                                     Maxwell3D::Regs::ShaderStage::Vertex, "vertex")
-            .value_or(ProgramResult());
+    ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET);
+    ProgramResult program = Decompile(program_ir, Maxwell3D::Regs::ShaderStage::Vertex, "vertex");
 
     out += program.first;
 
     if (setup.IsDualProgram()) {
+        ShaderIR program_ir_b(setup.program.code_b, PROGRAM_OFFSET);
         ProgramResult program_b =
-            Decompiler::DecompileProgram(setup.program.code_b, PROGRAM_OFFSET,
-                                         Maxwell3D::Regs::ShaderStage::Vertex, "vertex_b")
-                .value_or(ProgramResult());
+            Decompile(program_ir_b, Maxwell3D::Regs::ShaderStage::Vertex, "vertex_b");
+
         out += program_b.first;
     }
 
     out += R"(
-
 void main() {
     position = vec4(0.0, 0.0, 0.0, 0.0);
-    exec_vertex();
+    execute_vertex();
 )";
 
     if (setup.IsDualProgram()) {
-        out += "    exec_vertex_b();";
+        out += "    execute_vertex_b();";
     }
 
     out += R"(
-
     // Check if the flip stage is VertexB
     // Config pack's second value is flip_stage
     if (config_pack[1] == 1) {
@@ -77,30 +72,20 @@ void main() {
     if (config_pack[1] == 1) {
         position.w = 1.0;
     }
-}
-
-)";
+})";
 
     return {out, program.second};
 }
 
 ProgramResult GenerateGeometryShader(const ShaderSetup& setup) {
     // Version is intentionally skipped in shader generation, it's added by the lazy compilation.
-    std::string out = "#extension GL_ARB_separate_shader_objects : enable\n\n";
     const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
+
+    std::string out = "#extension GL_ARB_separate_shader_objects : enable\n\n";
     out += "// Shader Unique Id: GS" + id + "\n\n";
-    out += Decompiler::GetCommonDeclarations();
-    out += "bool exec_geometry();\n";
+    out += GetCommonDeclarations();
 
-    ProgramResult program =
-        Decompiler::DecompileProgram(setup.program.code, PROGRAM_OFFSET,
-                                     Maxwell3D::Regs::ShaderStage::Geometry, "geometry")
-            .value_or(ProgramResult());
     out += R"(
-out gl_PerVertex {
-    vec4 gl_Position;
-};
-
 layout (location = 0) in vec4 gs_position[];
 layout (location = 0) out vec4 position;
 
@@ -110,36 +95,37 @@ layout (std140) uniform gs_config {
     uvec4 alpha_test;
 };
 
-void main() {
-    exec_geometry();
-}
-
 )";
+    ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET);
+    ProgramResult program =
+        Decompile(program_ir, Maxwell3D::Regs::ShaderStage::Geometry, "geometry");
     out += program.first;
+
+    out += R"(
+void main() {
+    execute_geometry();
+};)";
+
     return {out, program.second};
 }
 
 ProgramResult GenerateFragmentShader(const ShaderSetup& setup) {
+    const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
+
     std::string out = "#version 430 core\n";
     out += "#extension GL_ARB_separate_shader_objects : enable\n\n";
-    const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
     out += "// Shader Unique Id: FS" + id + "\n\n";
-    out += Decompiler::GetCommonDeclarations();
-    out += "bool exec_fragment();\n";
+    out += GetCommonDeclarations();
 
-    ProgramResult program =
-        Decompiler::DecompileProgram(setup.program.code, PROGRAM_OFFSET,
-                                     Maxwell3D::Regs::ShaderStage::Fragment, "fragment")
-            .value_or(ProgramResult());
     out += R"(
-layout(location = 0) out vec4 FragColor0;
-layout(location = 1) out vec4 FragColor1;
-layout(location = 2) out vec4 FragColor2;
-layout(location = 3) out vec4 FragColor3;
-layout(location = 4) out vec4 FragColor4;
-layout(location = 5) out vec4 FragColor5;
-layout(location = 6) out vec4 FragColor6;
-layout(location = 7) out vec4 FragColor7;
+layout (location = 0) out vec4 FragColor0;
+layout (location = 1) out vec4 FragColor1;
+layout (location = 2) out vec4 FragColor2;
+layout (location = 3) out vec4 FragColor3;
+layout (location = 4) out vec4 FragColor4;
+layout (location = 5) out vec4 FragColor5;
+layout (location = 6) out vec4 FragColor6;
+layout (location = 7) out vec4 FragColor7;
 
 layout (location = 0) in vec4 position;
 
@@ -173,12 +159,20 @@ bool AlphaFunc(in float value) {
     }
 }
 
+)";
+    ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET);
+    ProgramResult program =
+        Decompile(program_ir, Maxwell3D::Regs::ShaderStage::Fragment, "fragment");
+
+    out += program.first;
+
+    out += R"(
 void main() {
-    exec_fragment();
+    execute_fragment();
 }
 
 )";
-    out += program.first;
     return {out, program.second};
 }
-} // namespace OpenGL::GLShader
+
+} // namespace OpenGL::GLShader

src/video_core/renderer_opengl/gl_shader_gen.h

@@ -10,164 +10,12 @@
 
 #include "common/common_types.h"
 #include "video_core/engines/shader_bytecode.h"
+#include "video_core/renderer_opengl/gl_shader_decompiler.h"
+#include "video_core/shader/shader_ir.h"
 
 namespace OpenGL::GLShader {
 
-constexpr std::size_t MAX_PROGRAM_CODE_LENGTH{0x1000};
-using ProgramCode = std::vector<u64>;
-
-enum : u32 { POSITION_VARYING_LOCATION = 0, GENERIC_VARYING_START_LOCATION = 1 };
-
-class ConstBufferEntry {
-    using Maxwell = Tegra::Engines::Maxwell3D::Regs;
-
-public:
-    void MarkAsUsed(u64 index, u64 offset, Maxwell::ShaderStage stage) {
-        is_used = true;
-        this->index = static_cast<unsigned>(index);
-        this->stage = stage;
-        max_offset = std::max(max_offset, static_cast<unsigned>(offset));
-    }
-
-    void MarkAsUsedIndirect(u64 index, Maxwell::ShaderStage stage) {
-        is_used = true;
-        is_indirect = true;
-        this->index = static_cast<unsigned>(index);
-        this->stage = stage;
-    }
-
-    bool IsUsed() const {
-        return is_used;
-    }
-
-    bool IsIndirect() const {
-        return is_indirect;
-    }
-
-    unsigned GetIndex() const {
-        return index;
-    }
-
-    unsigned GetSize() const {
-        return max_offset + 1;
-    }
-
-    std::string GetName() const {
-        return BufferBaseNames[static_cast<std::size_t>(stage)] + std::to_string(index);
-    }
-
-    u32 GetHash() const {
-        return (static_cast<u32>(stage) << 16) | index;
-    }
-
-private:
-    static constexpr std::array<const char*, Maxwell::MaxShaderStage> BufferBaseNames = {
-        "buffer_vs_c", "buffer_tessc_c", "buffer_tesse_c", "buffer_gs_c", "buffer_fs_c",
-    };
-
-    bool is_used{};
-    bool is_indirect{};
-    unsigned index{};
-    unsigned max_offset{};
-    Maxwell::ShaderStage stage;
-};
-
-class SamplerEntry {
-    using Maxwell = Tegra::Engines::Maxwell3D::Regs;
-
-public:
-    SamplerEntry(Maxwell::ShaderStage stage, std::size_t offset, std::size_t index,
-                 Tegra::Shader::TextureType type, bool is_array, bool is_shadow)
-        : offset(offset), stage(stage), sampler_index(index), type(type), is_array(is_array),
-          is_shadow(is_shadow) {}
-
-    std::size_t GetOffset() const {
-        return offset;
-    }
-
-    std::size_t GetIndex() const {
-        return sampler_index;
-    }
-
-    Maxwell::ShaderStage GetStage() const {
-        return stage;
-    }
-
-    std::string GetName() const {
-        return std::string(TextureSamplerNames[static_cast<std::size_t>(stage)]) + '_' +
-               std::to_string(sampler_index);
-    }
-
-    std::string GetTypeString() const {
-        using Tegra::Shader::TextureType;
-        std::string glsl_type;
-
-        switch (type) {
-        case TextureType::Texture1D:
-            glsl_type = "sampler1D";
-            break;
-        case TextureType::Texture2D:
-            glsl_type = "sampler2D";
-            break;
-        case TextureType::Texture3D:
-            glsl_type = "sampler3D";
-            break;
-        case TextureType::TextureCube:
-            glsl_type = "samplerCube";
-            break;
-        default:
-            UNIMPLEMENTED();
-        }
-        if (is_array)
-            glsl_type += "Array";
-        if (is_shadow)
-            glsl_type += "Shadow";
-        return glsl_type;
-    }
-
-    Tegra::Shader::TextureType GetType() const {
-        return type;
-    }
-
-    bool IsArray() const {
-        return is_array;
-    }
-
-    bool IsShadow() const {
-        return is_shadow;
-    }
-
-    u32 GetHash() const {
-        return (static_cast<u32>(stage) << 16) | static_cast<u32>(sampler_index);
-    }
-
-    static std::string GetArrayName(Maxwell::ShaderStage stage) {
-        return TextureSamplerNames[static_cast<std::size_t>(stage)];
-    }
-
-private:
-    static constexpr std::array<const char*, Maxwell::MaxShaderStage> TextureSamplerNames = {
-        "tex_vs", "tex_tessc", "tex_tesse", "tex_gs", "tex_fs",
-    };
-
-    /// Offset in TSC memory from which to read the sampler object, as specified by the sampling
-    /// instruction.
-    std::size_t offset;
-    Maxwell::ShaderStage stage;      ///< Shader stage where this sampler was used.
-    std::size_t sampler_index;       ///< Value used to index into the generated GLSL sampler array.
-    Tegra::Shader::TextureType type; ///< The type used to sample this texture (Texture2D, etc)
-    bool is_array;  ///< Whether the texture is being sampled as an array texture or not.
-    bool is_shadow; ///< Whether the texture is being sampled as a depth texture or not.
-};
-
-struct ShaderEntries {
-    std::vector<ConstBufferEntry> const_buffer_entries;
-    std::vector<SamplerEntry> texture_samplers;
-    std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances> clip_distances;
-    std::size_t shader_length;
-};
-
-using ProgramResult = std::pair<std::string, ShaderEntries>;
+using VideoCommon::Shader::ProgramCode;
 
 struct ShaderSetup {
     explicit ShaderSetup(ProgramCode program_code) {

src/video_core/renderer_opengl/gl_state.cpp

@@ -83,8 +83,6 @@ OpenGLState::OpenGLState() {
     draw.read_framebuffer = 0;
     draw.draw_framebuffer = 0;
     draw.vertex_array = 0;
-    draw.vertex_buffer = 0;
-    draw.uniform_buffer = 0;
     draw.shader_program = 0;
     draw.program_pipeline = 0;
 
@@ -505,7 +503,6 @@ void OpenGLState::ApplySamplers() const {
 }
 
 void OpenGLState::ApplyFramebufferState() const {
-    // Framebuffer
     if (draw.read_framebuffer != cur_state.draw.read_framebuffer) {
         glBindFramebuffer(GL_READ_FRAMEBUFFER, draw.read_framebuffer);
     }
@@ -514,16 +511,10 @@ void OpenGLState::ApplyFramebufferState() const {
     }
 }
 
-void OpenGLState::ApplyVertexBufferState() const {
-    // Vertex array
+void OpenGLState::ApplyVertexArrayState() const {
     if (draw.vertex_array != cur_state.draw.vertex_array) {
         glBindVertexArray(draw.vertex_array);
     }
-
-    // Vertex buffer
-    if (draw.vertex_buffer != cur_state.draw.vertex_buffer) {
-        glBindBuffer(GL_ARRAY_BUFFER, draw.vertex_buffer);
-    }
 }
 
 void OpenGLState::ApplyDepthClamp() const {
@@ -543,11 +534,7 @@ void OpenGLState::ApplyDepthClamp() const {
 
 void OpenGLState::Apply() const {
     ApplyFramebufferState();
-    ApplyVertexBufferState();
-    // Uniform buffer
-    if (draw.uniform_buffer != cur_state.draw.uniform_buffer) {
-        glBindBuffer(GL_UNIFORM_BUFFER, draw.uniform_buffer);
-    }
+    ApplyVertexArrayState();
 
     // Shader program
     if (draw.shader_program != cur_state.draw.shader_program) {
@@ -638,16 +625,6 @@ OpenGLState& OpenGLState::ResetPipeline(GLuint handle) {
     return *this;
 }
 
-OpenGLState& OpenGLState::ResetBuffer(GLuint handle) {
-    if (draw.vertex_buffer == handle) {
-        draw.vertex_buffer = 0;
-    }
-    if (draw.uniform_buffer == handle) {
-        draw.uniform_buffer = 0;
-    }
-    return *this;
-}
-
 OpenGLState& OpenGLState::ResetVertexArray(GLuint handle) {
     if (draw.vertex_array == handle) {
         draw.vertex_array = 0;

src/video_core/renderer_opengl/gl_state.h

@@ -154,8 +154,6 @@ public:
         GLuint read_framebuffer; // GL_READ_FRAMEBUFFER_BINDING
         GLuint draw_framebuffer; // GL_DRAW_FRAMEBUFFER_BINDING
         GLuint vertex_array;     // GL_VERTEX_ARRAY_BINDING
-        GLuint vertex_buffer;    // GL_ARRAY_BUFFER_BINDING
-        GLuint uniform_buffer;   // GL_UNIFORM_BUFFER_BINDING
         GLuint shader_program;   // GL_CURRENT_PROGRAM
         GLuint program_pipeline; // GL_PROGRAM_PIPELINE_BINDING
     } draw;
@@ -206,10 +204,10 @@ public:
     }
     /// Apply this state as the current OpenGL state
     void Apply() const;
-    /// Apply only the state afecting the framebuffer
+    /// Apply only the state affecting the framebuffer
     void ApplyFramebufferState() const;
-    /// Apply only the state afecting the vertex buffer
-    void ApplyVertexBufferState() const;
+    /// Apply only the state affecting the vertex array
+    void ApplyVertexArrayState() const;
     /// Set the initial OpenGL state
     static void ApplyDefaultState();
     /// Resets any references to the given resource
@@ -217,7 +215,6 @@ public:
     OpenGLState& ResetSampler(GLuint handle);
     OpenGLState& ResetProgram(GLuint handle);
     OpenGLState& ResetPipeline(GLuint handle);
-    OpenGLState& ResetBuffer(GLuint handle);
     OpenGLState& ResetVertexArray(GLuint handle);
     OpenGLState& ResetFramebuffer(GLuint handle);
     void EmulateViewportWithScissor();

src/video_core/renderer_opengl/gl_stream_buffer.cpp

@@ -15,13 +15,12 @@ MICROPROFILE_DEFINE(OpenGL_StreamBuffer, "OpenGL", "Stream Buffer Orphaning",
 
 namespace OpenGL {
 
-OGLStreamBuffer::OGLStreamBuffer(GLenum target, GLsizeiptr size, bool prefer_coherent)
-    : gl_target(target), buffer_size(size) {
+OGLStreamBuffer::OGLStreamBuffer(GLsizeiptr size, bool vertex_data_usage, bool prefer_coherent)
+    : buffer_size(size) {
     gl_buffer.Create();
-    glBindBuffer(gl_target, gl_buffer.handle);
 
     GLsizeiptr allocate_size = size;
-    if (target == GL_ARRAY_BUFFER) {
+    if (vertex_data_usage) {
         // On AMD GPU there is a strange crash in indexed drawing. The crash happens when the buffer
         // read position is near the end and is an out-of-bound access to the vertex buffer. This is
         // probably a bug in the driver and is related to the usage of vec3<byte> attributes in the
@@ -35,18 +34,17 @@ OGLStreamBuffer::OGLStreamBuffer(GLenum target, GLsizeiptr size, bool prefer_coh
         coherent = prefer_coherent;
         const GLbitfield flags =
             GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | (coherent ? GL_MAP_COHERENT_BIT : 0);
-        glBufferStorage(gl_target, allocate_size, nullptr, flags);
-        mapped_ptr = static_cast<u8*>(glMapBufferRange(
-            gl_target, 0, buffer_size, flags | (coherent ? 0 : GL_MAP_FLUSH_EXPLICIT_BIT)));
+        glNamedBufferStorage(gl_buffer.handle, allocate_size, nullptr, flags);
+        mapped_ptr = static_cast<u8*>(glMapNamedBufferRange(
+            gl_buffer.handle, 0, buffer_size, flags | (coherent ? 0 : GL_MAP_FLUSH_EXPLICIT_BIT)));
     } else {
-        glBufferData(gl_target, allocate_size, nullptr, GL_STREAM_DRAW);
+        glNamedBufferData(gl_buffer.handle, allocate_size, nullptr, GL_STREAM_DRAW);
     }
 }
 
 OGLStreamBuffer::~OGLStreamBuffer() {
     if (persistent) {
-        glBindBuffer(gl_target, gl_buffer.handle);
-        glUnmapBuffer(gl_target);
+        glUnmapNamedBuffer(gl_buffer.handle);
     }
     gl_buffer.Release();
 }
@@ -74,7 +72,7 @@ std::tuple<u8*, GLintptr, bool> OGLStreamBuffer::Map(GLsizeiptr size, GLintptr a
         invalidate = true;
 
         if (persistent) {
-            glUnmapBuffer(gl_target);
+            glUnmapNamedBuffer(gl_buffer.handle);
         }
     }
 
@@ -84,7 +82,7 @@ std::tuple<u8*, GLintptr, bool> OGLStreamBuffer::Map(GLsizeiptr size, GLintptr a
                            (coherent ? GL_MAP_COHERENT_BIT : GL_MAP_FLUSH_EXPLICIT_BIT) |
                            (invalidate ? GL_MAP_INVALIDATE_BUFFER_BIT : GL_MAP_UNSYNCHRONIZED_BIT);
         mapped_ptr = static_cast<u8*>(
-            glMapBufferRange(gl_target, buffer_pos, buffer_size - buffer_pos, flags));
+            glMapNamedBufferRange(gl_buffer.handle, buffer_pos, buffer_size - buffer_pos, flags));
         mapped_offset = buffer_pos;
     }
 
@@ -95,11 +93,11 @@ void OGLStreamBuffer::Unmap(GLsizeiptr size) {
     ASSERT(size <= mapped_size);
 
     if (!coherent && size > 0) {
-        glFlushMappedBufferRange(gl_target, buffer_pos - mapped_offset, size);
+        glFlushMappedNamedBufferRange(gl_buffer.handle, buffer_pos - mapped_offset, size);
     }
 
     if (!persistent) {
-        glUnmapBuffer(gl_target);
+        glUnmapNamedBuffer(gl_buffer.handle);
     }
 
     buffer_pos += size;

src/video_core/renderer_opengl/gl_stream_buffer.h

@@ -13,7 +13,7 @@ namespace OpenGL {
 
 class OGLStreamBuffer : private NonCopyable {
 public:
-    explicit OGLStreamBuffer(GLenum target, GLsizeiptr size, bool prefer_coherent = false);
+    explicit OGLStreamBuffer(GLsizeiptr size, bool vertex_data_usage, bool prefer_coherent = false);
     ~OGLStreamBuffer();
 
     GLuint GetHandle() const;
@@ -33,7 +33,6 @@ public:
 
 private:
     OGLBuffer gl_buffer;
-    GLenum gl_target;
 
     bool coherent = false;
     bool persistent = false;

src/video_core/renderer_opengl/renderer_opengl.cpp

@@ -14,6 +14,7 @@
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/frontend/emu_window.h"
+#include "core/frontend/scope_acquire_window_context.h"
 #include "core/memory.h"
 #include "core/perf_stats.h"
 #include "core/settings.h"
@@ -97,18 +98,6 @@ static std::array<GLfloat, 3 * 2> MakeOrthographicMatrix(const float width, cons
     return matrix;
 }
 
-ScopeAcquireGLContext::ScopeAcquireGLContext(Core::Frontend::EmuWindow& emu_window_)
-    : emu_window{emu_window_} {
-    if (Settings::values.use_multi_core) {
-        emu_window.MakeCurrent();
-    }
-}
-ScopeAcquireGLContext::~ScopeAcquireGLContext() {
-    if (Settings::values.use_multi_core) {
-        emu_window.DoneCurrent();
-    }
-}
-
 RendererOpenGL::RendererOpenGL(Core::Frontend::EmuWindow& window)
     : VideoCore::RendererBase{window} {}
 
@@ -117,7 +106,6 @@ RendererOpenGL::~RendererOpenGL() = default;
 /// Swap buffers (render frame)
 void RendererOpenGL::SwapBuffers(
     std::optional<std::reference_wrapper<const Tegra::FramebufferConfig>> framebuffer) {
-    ScopeAcquireGLContext acquire_context{render_window};
 
     Core::System::GetInstance().GetPerfStats().EndSystemFrame();
 
@@ -245,20 +233,20 @@ void RendererOpenGL::InitOpenGLObjects() {
 
     // Generate VAO
     vertex_array.Create();
-
     state.draw.vertex_array = vertex_array.handle;
-    state.draw.vertex_buffer = vertex_buffer.handle;
-    state.draw.uniform_buffer = 0;
-    state.Apply();
 
     // Attach vertex data to VAO
-    glBufferData(GL_ARRAY_BUFFER, sizeof(ScreenRectVertex) * 4, nullptr, GL_STREAM_DRAW);
-    glVertexAttribPointer(attrib_position, 2, GL_FLOAT, GL_FALSE, sizeof(ScreenRectVertex),
-                          (GLvoid*)offsetof(ScreenRectVertex, position));
-    glVertexAttribPointer(attrib_tex_coord, 2, GL_FLOAT, GL_FALSE, sizeof(ScreenRectVertex),
-                          (GLvoid*)offsetof(ScreenRectVertex, tex_coord));
-    glEnableVertexAttribArray(attrib_position);
-    glEnableVertexAttribArray(attrib_tex_coord);
+    glNamedBufferData(vertex_buffer.handle, sizeof(ScreenRectVertex) * 4, nullptr, GL_STREAM_DRAW);
+    glVertexArrayAttribFormat(vertex_array.handle, attrib_position, 2, GL_FLOAT, GL_FALSE,
+                              offsetof(ScreenRectVertex, position));
+    glVertexArrayAttribFormat(vertex_array.handle, attrib_tex_coord, 2, GL_FLOAT, GL_FALSE,
+                              offsetof(ScreenRectVertex, tex_coord));
+    glVertexArrayAttribBinding(vertex_array.handle, attrib_position, 0);
+    glVertexArrayAttribBinding(vertex_array.handle, attrib_tex_coord, 0);
+    glEnableVertexArrayAttrib(vertex_array.handle, attrib_position);
+    glEnableVertexArrayAttrib(vertex_array.handle, attrib_tex_coord);
+    glVertexArrayVertexBuffer(vertex_array.handle, 0, vertex_buffer.handle, 0,
+                              sizeof(ScreenRectVertex));
 
     // Allocate textures for the screen
     screen_info.texture.resource.Create();
@@ -370,14 +358,12 @@ void RendererOpenGL::DrawScreenTriangles(const ScreenInfo& screen_info, float x,
     state.texture_units[0].texture = screen_info.display_texture;
     state.texture_units[0].swizzle = {GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA};
     // Workaround brigthness problems in SMO by enabling sRGB in the final output
-    // if it has been used in the frame
-    // Needed because of this bug in QT
-    // QTBUG-50987
+    // if it has been used in the frame. Needed because of this bug in QT: QTBUG-50987
     state.framebuffer_srgb.enabled = OpenGLState::GetsRGBUsed();
     state.Apply();
-    glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vertices), vertices.data());
+    glNamedBufferSubData(vertex_buffer.handle, 0, sizeof(vertices), vertices.data());
     glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
-    // restore default state
+    // Restore default state
     state.framebuffer_srgb.enabled = false;
     state.texture_units[0].texture = 0;
     state.Apply();
@@ -508,7 +494,7 @@ static void APIENTRY DebugHandler(GLenum source, GLenum type, GLuint id, GLenum
 
 /// Initialize the renderer
 bool RendererOpenGL::Init() {
-    ScopeAcquireGLContext acquire_context{render_window};
+    Core::Frontend::ScopeAcquireWindowContext acquire_context{render_window};
 
     if (GLAD_GL_KHR_debug) {
         glEnable(GL_DEBUG_OUTPUT);

src/video_core/renderer_opengl/renderer_opengl.h

@@ -39,16 +39,6 @@ struct ScreenInfo {
     TextureInfo texture;
 };
 
-/// Helper class to acquire/release OpenGL context within a given scope
-class ScopeAcquireGLContext : NonCopyable {
-public:
-    explicit ScopeAcquireGLContext(Core::Frontend::EmuWindow& window);
-    ~ScopeAcquireGLContext();
-
-private:
-    Core::Frontend::EmuWindow& emu_window;
-};
-
 class RendererOpenGL : public VideoCore::RendererBase {
 public:
     explicit RendererOpenGL(Core::Frontend::EmuWindow& window);

src/video_core/shader/decode.cpp

@@ -0,0 +1,206 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cstring>
+#include <set>
+
+#include <fmt/format.h>
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/engines/shader_header.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+namespace {
+
+/// Merges exit method of two parallel branches.
+constexpr ExitMethod ParallelExit(ExitMethod a, ExitMethod b) {
+    if (a == ExitMethod::Undetermined) {
+        return b;
+    }
+    if (b == ExitMethod::Undetermined) {
+        return a;
+    }
+    if (a == b) {
+        return a;
+    }
+    return ExitMethod::Conditional;
+}
+
+/**
+ * Returns whether the instruction at the specified offset is a 'sched' instruction.
+ * Sched instructions always appear before a sequence of 3 instructions.
+ */
+constexpr bool IsSchedInstruction(u32 offset, u32 main_offset) {
+    constexpr u32 SchedPeriod = 4;
+    u32 absolute_offset = offset - main_offset;
+
+    return (absolute_offset % SchedPeriod) == 0;
+}
+
+} // namespace
+
+void ShaderIR::Decode() {
+    std::memcpy(&header, program_code.data(), sizeof(Tegra::Shader::Header));
+
+    std::set<u32> labels;
+    const ExitMethod exit_method = Scan(main_offset, MAX_PROGRAM_LENGTH, labels);
+    if (exit_method != ExitMethod::AlwaysEnd) {
+        UNREACHABLE_MSG("Program does not always end");
+    }
+
+    if (labels.empty()) {
+        basic_blocks.insert({main_offset, DecodeRange(main_offset, MAX_PROGRAM_LENGTH)});
+        return;
+    }
+
+    labels.insert(main_offset);
+
+    for (const u32 label : labels) {
+        const auto next_it = labels.lower_bound(label + 1);
+        const u32 next_label = next_it == labels.end() ? MAX_PROGRAM_LENGTH : *next_it;
+
+        basic_blocks.insert({label, DecodeRange(label, next_label)});
+    }
+}
+
+ExitMethod ShaderIR::Scan(u32 begin, u32 end, std::set<u32>& labels) {
+    const auto [iter, inserted] =
+        exit_method_map.emplace(std::make_pair(begin, end), ExitMethod::Undetermined);
+    ExitMethod& exit_method = iter->second;
+    if (!inserted)
+        return exit_method;
+
+    for (u32 offset = begin; offset != end && offset != MAX_PROGRAM_LENGTH; ++offset) {
+        coverage_begin = std::min(coverage_begin, offset);
+        coverage_end = std::max(coverage_end, offset + 1);
+
+        const Instruction instr = {program_code[offset]};
+        const auto opcode = OpCode::Decode(instr);
+        if (!opcode)
+            continue;
+        switch (opcode->get().GetId()) {
+        case OpCode::Id::EXIT: {
+            // The EXIT instruction can be predicated, which means that the shader can conditionally
+            // end on this instruction. We have to consider the case where the condition is not met
+            // and check the exit method of that other basic block.
+            using Tegra::Shader::Pred;
+            if (instr.pred.pred_index == static_cast<u64>(Pred::UnusedIndex)) {
+                return exit_method = ExitMethod::AlwaysEnd;
+            } else {
+                const ExitMethod not_met = Scan(offset + 1, end, labels);
+                return exit_method = ParallelExit(ExitMethod::AlwaysEnd, not_met);
+            }
+        }
+        case OpCode::Id::BRA: {
+            const u32 target = offset + instr.bra.GetBranchTarget();
+            labels.insert(target);
+            const ExitMethod no_jmp = Scan(offset + 1, end, labels);
+            const ExitMethod jmp = Scan(target, end, labels);
+            return exit_method = ParallelExit(no_jmp, jmp);
+        }
+        case OpCode::Id::SSY:
+        case OpCode::Id::PBK: {
+            // The SSY and PBK use a similar encoding as the BRA instruction.
+            UNIMPLEMENTED_IF_MSG(instr.bra.constant_buffer != 0,
+                                 "Constant buffer branching is not supported");
+            const u32 target = offset + instr.bra.GetBranchTarget();
+            labels.insert(target);
+            // Continue scanning for an exit method.
+            break;
+        }
+        }
+    }
+    return exit_method = ExitMethod::AlwaysReturn;
+}
+
+BasicBlock ShaderIR::DecodeRange(u32 begin, u32 end) {
+    BasicBlock basic_block;
+    for (u32 pc = begin; pc < (begin > end ? MAX_PROGRAM_LENGTH : end);) {
+        pc = DecodeInstr(basic_block, pc);
+    }
+    return std::move(basic_block);
+}
+
+u32 ShaderIR::DecodeInstr(BasicBlock& bb, u32 pc) {
+    // Ignore sched instructions when generating code.
+    if (IsSchedInstruction(pc, main_offset)) {
+        return pc + 1;
+    }
+
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    // Decoding failure
+    if (!opcode) {
+        UNIMPLEMENTED_MSG("Unhandled instruction: {0:x}", instr.value);
+        return pc + 1;
+    }
+
+    bb.push_back(
+        Comment(fmt::format("{}: {} (0x{:016x})", pc, opcode->get().GetName(), instr.value)));
+
+    using Tegra::Shader::Pred;
+    UNIMPLEMENTED_IF_MSG(instr.pred.full_pred == Pred::NeverExecute,
+                         "NeverExecute predicate not implemented");
+
+    static const std::map<OpCode::Type, u32 (ShaderIR::*)(BasicBlock&, const BasicBlock&, u32)>
+        decoders = {
+            {OpCode::Type::Arithmetic, &ShaderIR::DecodeArithmetic},
+            {OpCode::Type::ArithmeticImmediate, &ShaderIR::DecodeArithmeticImmediate},
+            {OpCode::Type::Bfe, &ShaderIR::DecodeBfe},
+            {OpCode::Type::Bfi, &ShaderIR::DecodeBfi},
+            {OpCode::Type::Shift, &ShaderIR::DecodeShift},
+            {OpCode::Type::ArithmeticInteger, &ShaderIR::DecodeArithmeticInteger},
+            {OpCode::Type::ArithmeticIntegerImmediate, &ShaderIR::DecodeArithmeticIntegerImmediate},
+            {OpCode::Type::ArithmeticHalf, &ShaderIR::DecodeArithmeticHalf},
+            {OpCode::Type::ArithmeticHalfImmediate, &ShaderIR::DecodeArithmeticHalfImmediate},
+            {OpCode::Type::Ffma, &ShaderIR::DecodeFfma},
+            {OpCode::Type::Hfma2, &ShaderIR::DecodeHfma2},
+            {OpCode::Type::Conversion, &ShaderIR::DecodeConversion},
+            {OpCode::Type::Memory, &ShaderIR::DecodeMemory},
+            {OpCode::Type::FloatSetPredicate, &ShaderIR::DecodeFloatSetPredicate},
+            {OpCode::Type::IntegerSetPredicate, &ShaderIR::DecodeIntegerSetPredicate},
+            {OpCode::Type::HalfSetPredicate, &ShaderIR::DecodeHalfSetPredicate},
+            {OpCode::Type::PredicateSetRegister, &ShaderIR::DecodePredicateSetRegister},
+            {OpCode::Type::PredicateSetPredicate, &ShaderIR::DecodePredicateSetPredicate},
+            {OpCode::Type::RegisterSetPredicate, &ShaderIR::DecodeRegisterSetPredicate},
+            {OpCode::Type::FloatSet, &ShaderIR::DecodeFloatSet},
+            {OpCode::Type::IntegerSet, &ShaderIR::DecodeIntegerSet},
+            {OpCode::Type::HalfSet, &ShaderIR::DecodeHalfSet},
+            {OpCode::Type::Video, &ShaderIR::DecodeVideo},
+            {OpCode::Type::Xmad, &ShaderIR::DecodeXmad},
+        };
+
+    std::vector<Node> tmp_block;
+    if (const auto decoder = decoders.find(opcode->get().GetType()); decoder != decoders.end()) {
+        pc = (this->*decoder->second)(tmp_block, bb, pc);
+    } else {
+        pc = DecodeOther(tmp_block, bb, pc);
+    }
+
+    // Some instructions (like SSY) don't have a predicate field, they are always unconditionally
+    // executed.
+    const bool can_be_predicated = OpCode::IsPredicatedInstruction(opcode->get().GetId());
+    const auto pred_index = static_cast<u32>(instr.pred.pred_index);
+
+    if (can_be_predicated && pred_index != static_cast<u32>(Pred::UnusedIndex)) {
+        bb.push_back(
+            Conditional(GetPredicate(pred_index, instr.negate_pred != 0), std::move(tmp_block)));
+    } else {
+        for (auto& node : tmp_block) {
+            bb.push_back(std::move(node));
+        }
+    }
+
+    return pc + 1;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/arithmetic.cpp

@@ -0,0 +1,155 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+using Tegra::Shader::SubOp;
+
+u32 ShaderIR::DecodeArithmetic(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    Node op_a = GetRegister(instr.gpr8);
+
+    Node op_b = [&]() -> Node {
+        if (instr.is_b_imm) {
+            return GetImmediate19(instr);
+        } else if (instr.is_b_gpr) {
+            return GetRegister(instr.gpr20);
+        } else {
+            return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
+        }
+    }();
+
+    switch (opcode->get().GetId()) {
+    case OpCode::Id::MOV_C:
+    case OpCode::Id::MOV_R: {
+        // MOV does not have neither 'abs' nor 'neg' bits.
+        SetRegister(bb, instr.gpr0, op_b);
+        break;
+    }
+    case OpCode::Id::FMUL_C:
+    case OpCode::Id::FMUL_R:
+    case OpCode::Id::FMUL_IMM: {
+        // FMUL does not have 'abs' bits and only the second operand has a 'neg' bit.
+        UNIMPLEMENTED_IF_MSG(instr.fmul.tab5cb8_2 != 0, "FMUL tab5cb8_2({}) is not implemented",
+                             instr.fmul.tab5cb8_2.Value());
+        UNIMPLEMENTED_IF_MSG(
+            instr.fmul.tab5c68_0 != 1, "FMUL tab5cb8_0({}) is not implemented",
+            instr.fmul.tab5c68_0.Value()); // SMO typical sends 1 here which seems to be the default
+
+        op_b = GetOperandAbsNegFloat(op_b, false, instr.fmul.negate_b);
+
+        // TODO(Rodrigo): Should precise be used when there's a postfactor?
+        Node value = Operation(OperationCode::FMul, PRECISE, op_a, op_b);
+
+        if (instr.fmul.postfactor != 0) {
+            auto postfactor = static_cast<s32>(instr.fmul.postfactor);
+
+            // Postfactor encoded as 3-bit 1's complement in instruction, interpreted with below
+            // logic.
+            if (postfactor >= 4) {
+                postfactor = 7 - postfactor;
+            } else {
+                postfactor = 0 - postfactor;
+            }
+
+            if (postfactor > 0) {
+                value = Operation(OperationCode::FMul, NO_PRECISE, value,
+                                  Immediate(static_cast<f32>(1 << postfactor)));
+            } else {
+                value = Operation(OperationCode::FDiv, NO_PRECISE, value,
+                                  Immediate(static_cast<f32>(1 << -postfactor)));
+            }
+        }
+
+        value = GetSaturatedFloat(value, instr.alu.saturate_d);
+
+        SetInternalFlagsFromFloat(bb, value, instr.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::FADD_C:
+    case OpCode::Id::FADD_R:
+    case OpCode::Id::FADD_IMM: {
+        op_a = GetOperandAbsNegFloat(op_a, instr.alu.abs_a, instr.alu.negate_a);
+        op_b = GetOperandAbsNegFloat(op_b, instr.alu.abs_b, instr.alu.negate_b);
+
+        Node value = Operation(OperationCode::FAdd, PRECISE, op_a, op_b);
+        value = GetSaturatedFloat(value, instr.alu.saturate_d);
+
+        SetInternalFlagsFromFloat(bb, value, instr.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::MUFU: {
+        op_a = GetOperandAbsNegFloat(op_a, instr.alu.abs_a, instr.alu.negate_a);
+
+        Node value = [&]() {
+            switch (instr.sub_op) {
+            case SubOp::Cos:
+                return Operation(OperationCode::FCos, PRECISE, op_a);
+            case SubOp::Sin:
+                return Operation(OperationCode::FSin, PRECISE, op_a);
+            case SubOp::Ex2:
+                return Operation(OperationCode::FExp2, PRECISE, op_a);
+            case SubOp::Lg2:
+                return Operation(OperationCode::FLog2, PRECISE, op_a);
+            case SubOp::Rcp:
+                return Operation(OperationCode::FDiv, PRECISE, Immediate(1.0f), op_a);
+            case SubOp::Rsq:
+                return Operation(OperationCode::FInverseSqrt, PRECISE, op_a);
+            case SubOp::Sqrt:
+                return Operation(OperationCode::FSqrt, PRECISE, op_a);
+            default:
+                UNIMPLEMENTED_MSG("Unhandled MUFU sub op={0:x}",
+                                  static_cast<unsigned>(instr.sub_op.Value()));
+                return Immediate(0);
+            }
+        }();
+        value = GetSaturatedFloat(value, instr.alu.saturate_d);
+
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::FMNMX_C:
+    case OpCode::Id::FMNMX_R:
+    case OpCode::Id::FMNMX_IMM: {
+        op_a = GetOperandAbsNegFloat(op_a, instr.alu.abs_a, instr.alu.negate_a);
+        op_b = GetOperandAbsNegFloat(op_b, instr.alu.abs_b, instr.alu.negate_b);
+
+        const Node condition = GetPredicate(instr.alu.fmnmx.pred, instr.alu.fmnmx.negate_pred != 0);
+
+        const Node min = Operation(OperationCode::FMin, NO_PRECISE, op_a, op_b);
+        const Node max = Operation(OperationCode::FMax, NO_PRECISE, op_a, op_b);
+        const Node value = Operation(OperationCode::Select, NO_PRECISE, condition, min, max);
+
+        SetInternalFlagsFromFloat(bb, value, instr.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::RRO_C:
+    case OpCode::Id::RRO_R:
+    case OpCode::Id::RRO_IMM: {
+        // Currently RRO is only implemented as a register move.
+        op_b = GetOperandAbsNegFloat(op_b, instr.alu.abs_b, instr.alu.negate_b);
+        SetRegister(bb, instr.gpr0, op_b);
+        LOG_WARNING(HW_GPU, "RRO instruction is incomplete");
+        break;
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unhandled arithmetic instruction: {}", opcode->get().GetName());
+    }
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/arithmetic_half.cpp

@@ -0,0 +1,70 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodeArithmeticHalf(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    if (opcode->get().GetId() == OpCode::Id::HADD2_C ||
+        opcode->get().GetId() == OpCode::Id::HADD2_R) {
+        UNIMPLEMENTED_IF(instr.alu_half.ftz != 0);
+    }
+    UNIMPLEMENTED_IF_MSG(instr.alu_half.saturate != 0, "Half float saturation not implemented");
+
+    const bool negate_a =
+        opcode->get().GetId() != OpCode::Id::HMUL2_R && instr.alu_half.negate_a != 0;
+    const bool negate_b =
+        opcode->get().GetId() != OpCode::Id::HMUL2_C && instr.alu_half.negate_b != 0;
+
+    const Node op_a = GetOperandAbsNegHalf(GetRegister(instr.gpr8), instr.alu_half.abs_a, negate_a);
+
+    // instr.alu_half.type_a
+
+    Node op_b = [&]() {
+        switch (opcode->get().GetId()) {
+        case OpCode::Id::HADD2_C:
+        case OpCode::Id::HMUL2_C:
+            return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
+        case OpCode::Id::HADD2_R:
+        case OpCode::Id::HMUL2_R:
+            return GetRegister(instr.gpr20);
+        default:
+            UNREACHABLE();
+            return Immediate(0);
+        }
+    }();
+    op_b = GetOperandAbsNegHalf(op_b, instr.alu_half.abs_b, negate_b);
+
+    Node value = [&]() {
+        MetaHalfArithmetic meta{true, {instr.alu_half_imm.type_a, instr.alu_half.type_b}};
+        switch (opcode->get().GetId()) {
+        case OpCode::Id::HADD2_C:
+        case OpCode::Id::HADD2_R:
+            return Operation(OperationCode::HAdd, meta, op_a, op_b);
+        case OpCode::Id::HMUL2_C:
+        case OpCode::Id::HMUL2_R:
+            return Operation(OperationCode::HMul, meta, op_a, op_b);
+        default:
+            UNIMPLEMENTED_MSG("Unhandled half float instruction: {}", opcode->get().GetName());
+            return Immediate(0);
+        }
+    }();
+    value = HalfMerge(GetRegister(instr.gpr0), value, instr.alu_half.merge);
+
+    SetRegister(bb, instr.gpr0, value);
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/arithmetic_half_immediate.cpp

@@ -0,0 +1,51 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodeArithmeticHalfImmediate(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    if (opcode->get().GetId() == OpCode::Id::HADD2_IMM) {
+        UNIMPLEMENTED_IF(instr.alu_half_imm.ftz != 0);
+    } else {
+        UNIMPLEMENTED_IF(instr.alu_half_imm.precision != Tegra::Shader::HalfPrecision::None);
+    }
+    UNIMPLEMENTED_IF_MSG(instr.alu_half_imm.saturate != 0,
+                         "Half float immediate saturation not implemented");
+
+    Node op_a = GetRegister(instr.gpr8);
+    op_a = GetOperandAbsNegHalf(op_a, instr.alu_half_imm.abs_a, instr.alu_half_imm.negate_a);
+
+    const Node op_b = UnpackHalfImmediate(instr, true);
+
+    Node value = [&]() {
+        MetaHalfArithmetic meta{true, {instr.alu_half_imm.type_a}};
+        switch (opcode->get().GetId()) {
+        case OpCode::Id::HADD2_IMM:
+            return Operation(OperationCode::HAdd, meta, op_a, op_b);
+        case OpCode::Id::HMUL2_IMM:
+            return Operation(OperationCode::HMul, meta, op_a, op_b);
+        default:
+            UNREACHABLE();
+            return Immediate(0);
+        }
+    }();
+    value = HalfMerge(GetRegister(instr.gpr0), value, instr.alu_half_imm.merge);
+
+    SetRegister(bb, instr.gpr0, value);
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/arithmetic_immediate.cpp

@@ -0,0 +1,52 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodeArithmeticImmediate(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    switch (opcode->get().GetId()) {
+    case OpCode::Id::MOV32_IMM: {
+        SetRegister(bb, instr.gpr0, GetImmediate32(instr));
+        break;
+    }
+    case OpCode::Id::FMUL32_IMM: {
+        Node value =
+            Operation(OperationCode::FMul, PRECISE, GetRegister(instr.gpr8), GetImmediate32(instr));
+        value = GetSaturatedFloat(value, instr.fmul32.saturate);
+
+        SetInternalFlagsFromFloat(bb, value, instr.op_32.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::FADD32I: {
+        const Node op_a = GetOperandAbsNegFloat(GetRegister(instr.gpr8), instr.fadd32i.abs_a,
+                                                instr.fadd32i.negate_a);
+        const Node op_b = GetOperandAbsNegFloat(GetImmediate32(instr), instr.fadd32i.abs_b,
+                                                instr.fadd32i.negate_b);
+
+        const Node value = Operation(OperationCode::FAdd, PRECISE, op_a, op_b);
+        SetInternalFlagsFromFloat(bb, value, instr.op_32.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unhandled arithmetic immediate instruction: {}",
+                          opcode->get().GetName());
+    }
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/arithmetic_integer.cpp

@@ -0,0 +1,287 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::IAdd3Height;
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+using Tegra::Shader::Pred;
+using Tegra::Shader::Register;
+
+u32 ShaderIR::DecodeArithmeticInteger(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    Node op_a = GetRegister(instr.gpr8);
+    Node op_b = [&]() {
+        if (instr.is_b_imm) {
+            return Immediate(instr.alu.GetSignedImm20_20());
+        } else if (instr.is_b_gpr) {
+            return GetRegister(instr.gpr20);
+        } else {
+            return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
+        }
+    }();
+
+    switch (opcode->get().GetId()) {
+    case OpCode::Id::IADD_C:
+    case OpCode::Id::IADD_R:
+    case OpCode::Id::IADD_IMM: {
+        UNIMPLEMENTED_IF_MSG(instr.alu.saturate_d, "IADD saturation not implemented");
+
+        op_a = GetOperandAbsNegInteger(op_a, false, instr.alu_integer.negate_a, true);
+        op_b = GetOperandAbsNegInteger(op_b, false, instr.alu_integer.negate_b, true);
+
+        const Node value = Operation(OperationCode::IAdd, PRECISE, op_a, op_b);
+
+        SetInternalFlagsFromInteger(bb, value, instr.op_32.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::IADD3_C:
+    case OpCode::Id::IADD3_R:
+    case OpCode::Id::IADD3_IMM: {
+        Node op_c = GetRegister(instr.gpr39);
+
+        const auto ApplyHeight = [&](IAdd3Height height, Node value) {
+            switch (height) {
+            case IAdd3Height::None:
+                return value;
+            case IAdd3Height::LowerHalfWord:
+                return BitfieldExtract(value, 0, 16);
+            case IAdd3Height::UpperHalfWord:
+                return BitfieldExtract(value, 16, 16);
+            default:
+                UNIMPLEMENTED_MSG("Unhandled IADD3 height: {}", static_cast<u32>(height));
+                return Immediate(0);
+            }
+        };
+
+        if (opcode->get().GetId() == OpCode::Id::IADD3_R) {
+            op_a = ApplyHeight(instr.iadd3.height_a, op_a);
+            op_b = ApplyHeight(instr.iadd3.height_b, op_b);
+            op_c = ApplyHeight(instr.iadd3.height_c, op_c);
+        }
+
+        op_a = GetOperandAbsNegInteger(op_a, false, instr.iadd3.neg_a, true);
+        op_b = GetOperandAbsNegInteger(op_b, false, instr.iadd3.neg_b, true);
+        op_c = GetOperandAbsNegInteger(op_c, false, instr.iadd3.neg_c, true);
+
+        const Node value = [&]() {
+            const Node add_ab = Operation(OperationCode::IAdd, NO_PRECISE, op_a, op_b);
+            if (opcode->get().GetId() != OpCode::Id::IADD3_R) {
+                return Operation(OperationCode::IAdd, NO_PRECISE, add_ab, op_c);
+            }
+            const Node shifted = [&]() {
+                switch (instr.iadd3.mode) {
+                case Tegra::Shader::IAdd3Mode::RightShift:
+                    // TODO(tech4me): According to
+                    // https://envytools.readthedocs.io/en/latest/hw/graph/maxwell/cuda/int.html?highlight=iadd3
+                    // The addition between op_a and op_b should be done in uint33, more
+                    // investigation required
+                    return Operation(OperationCode::ILogicalShiftRight, NO_PRECISE, add_ab,
+                                     Immediate(16));
+                case Tegra::Shader::IAdd3Mode::LeftShift:
+                    return Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, add_ab,
+                                     Immediate(16));
+                default:
+                    return add_ab;
+                }
+            }();
+            return Operation(OperationCode::IAdd, NO_PRECISE, shifted, op_c);
+        }();
+
+        SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::ISCADD_C:
+    case OpCode::Id::ISCADD_R:
+    case OpCode::Id::ISCADD_IMM: {
+        UNIMPLEMENTED_IF_MSG(instr.generates_cc,
+                             "Condition codes generation in ISCADD is not implemented");
+
+        op_a = GetOperandAbsNegInteger(op_a, false, instr.alu_integer.negate_a, true);
+        op_b = GetOperandAbsNegInteger(op_b, false, instr.alu_integer.negate_b, true);
+
+        const Node shift = Immediate(static_cast<u32>(instr.alu_integer.shift_amount));
+        const Node shifted_a = Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, op_a, shift);
+        const Node value = Operation(OperationCode::IAdd, NO_PRECISE, shifted_a, op_b);
+
+        SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::POPC_C:
+    case OpCode::Id::POPC_R:
+    case OpCode::Id::POPC_IMM: {
+        if (instr.popc.invert) {
+            op_b = Operation(OperationCode::IBitwiseNot, NO_PRECISE, op_b);
+        }
+        const Node value = Operation(OperationCode::IBitCount, PRECISE, op_b);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::SEL_C:
+    case OpCode::Id::SEL_R:
+    case OpCode::Id::SEL_IMM: {
+        const Node condition = GetPredicate(instr.sel.pred, instr.sel.neg_pred != 0);
+        const Node value = Operation(OperationCode::Select, PRECISE, condition, op_a, op_b);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::LOP_C:
+    case OpCode::Id::LOP_R:
+    case OpCode::Id::LOP_IMM: {
+        if (instr.alu.lop.invert_a)
+            op_a = Operation(OperationCode::IBitwiseNot, NO_PRECISE, op_a);
+        if (instr.alu.lop.invert_b)
+            op_b = Operation(OperationCode::IBitwiseNot, NO_PRECISE, op_b);
+
+        WriteLogicOperation(bb, instr.gpr0, instr.alu.lop.operation, op_a, op_b,
+                            instr.alu.lop.pred_result_mode, instr.alu.lop.pred48,
+                            instr.generates_cc);
+        break;
+    }
+    case OpCode::Id::LOP3_C:
+    case OpCode::Id::LOP3_R:
+    case OpCode::Id::LOP3_IMM: {
+        const Node op_c = GetRegister(instr.gpr39);
+        const Node lut = [&]() {
+            if (opcode->get().GetId() == OpCode::Id::LOP3_R) {
+                return Immediate(instr.alu.lop3.GetImmLut28());
+            } else {
+                return Immediate(instr.alu.lop3.GetImmLut48());
+            }
+        }();
+
+        WriteLop3Instruction(bb, instr.gpr0, op_a, op_b, op_c, lut, instr.generates_cc);
+        break;
+    }
+    case OpCode::Id::IMNMX_C:
+    case OpCode::Id::IMNMX_R:
+    case OpCode::Id::IMNMX_IMM: {
+        UNIMPLEMENTED_IF(instr.imnmx.exchange != Tegra::Shader::IMinMaxExchange::None);
+
+        const bool is_signed = instr.imnmx.is_signed;
+
+        const Node condition = GetPredicate(instr.imnmx.pred, instr.imnmx.negate_pred != 0);
+        const Node min = SignedOperation(OperationCode::IMin, is_signed, NO_PRECISE, op_a, op_b);
+        const Node max = SignedOperation(OperationCode::IMax, is_signed, NO_PRECISE, op_a, op_b);
+        const Node value = Operation(OperationCode::Select, NO_PRECISE, condition, min, max);
+
+        SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::LEA_R2:
+    case OpCode::Id::LEA_R1:
+    case OpCode::Id::LEA_IMM:
+    case OpCode::Id::LEA_RZ:
+    case OpCode::Id::LEA_HI: {
+        const auto [op_a, op_b, op_c] = [&]() -> std::tuple<Node, Node, Node> {
+            switch (opcode->get().GetId()) {
+            case OpCode::Id::LEA_R2: {
+                return {GetRegister(instr.gpr20), GetRegister(instr.gpr39),
+                        Immediate(static_cast<u32>(instr.lea.r2.entry_a))};
+            }
+
+            case OpCode::Id::LEA_R1: {
+                const bool neg = instr.lea.r1.neg != 0;
+                return {GetOperandAbsNegInteger(GetRegister(instr.gpr8), false, neg, true),
+                        GetRegister(instr.gpr20),
+                        Immediate(static_cast<u32>(instr.lea.r1.entry_a))};
+            }
+
+            case OpCode::Id::LEA_IMM: {
+                const bool neg = instr.lea.imm.neg != 0;
+                return {Immediate(static_cast<u32>(instr.lea.imm.entry_a)),
+                        GetOperandAbsNegInteger(GetRegister(instr.gpr8), false, neg, true),
+                        Immediate(static_cast<u32>(instr.lea.imm.entry_b))};
+            }
+
+            case OpCode::Id::LEA_RZ: {
+                const bool neg = instr.lea.rz.neg != 0;
+                return {GetConstBuffer(instr.lea.rz.cb_index, instr.lea.rz.cb_offset),
+                        GetOperandAbsNegInteger(GetRegister(instr.gpr8), false, neg, true),
+                        Immediate(static_cast<u32>(instr.lea.rz.entry_a))};
+            }
+
+            case OpCode::Id::LEA_HI:
+            default:
+                UNIMPLEMENTED_MSG("Unhandled LEA subinstruction: {}", opcode->get().GetName());
+
+                return {Immediate(static_cast<u32>(instr.lea.imm.entry_a)), GetRegister(instr.gpr8),
+                        Immediate(static_cast<u32>(instr.lea.imm.entry_b))};
+            }
+        }();
+
+        UNIMPLEMENTED_IF_MSG(instr.lea.pred48 != static_cast<u64>(Pred::UnusedIndex),
+                             "Unhandled LEA Predicate");
+
+        const Node shifted_c =
+            Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, Immediate(1), op_c);
+        const Node mul_bc = Operation(OperationCode::IMul, NO_PRECISE, op_b, shifted_c);
+        const Node value = Operation(OperationCode::IAdd, NO_PRECISE, op_a, mul_bc);
+
+        SetRegister(bb, instr.gpr0, value);
+
+        break;
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unhandled ArithmeticInteger instruction: {}", opcode->get().GetName());
+    }
+
+    return pc;
+}
+
+void ShaderIR::WriteLop3Instruction(BasicBlock& bb, Register dest, Node op_a, Node op_b, Node op_c,
+                                    Node imm_lut, bool sets_cc) {
+    constexpr u32 lop_iterations = 32;
+    const Node one = Immediate(1);
+    const Node two = Immediate(2);
+
+    Node value{};
+    for (u32 i = 0; i < lop_iterations; ++i) {
+        const Node shift_amount = Immediate(i);
+
+        const Node a = Operation(OperationCode::ILogicalShiftRight, NO_PRECISE, op_c, shift_amount);
+        const Node pack_0 = Operation(OperationCode::IBitwiseAnd, NO_PRECISE, a, one);
+
+        const Node b = Operation(OperationCode::ILogicalShiftRight, NO_PRECISE, op_b, shift_amount);
+        const Node c = Operation(OperationCode::IBitwiseAnd, NO_PRECISE, b, one);
+        const Node pack_1 = Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, c, one);
+
+        const Node d = Operation(OperationCode::ILogicalShiftRight, NO_PRECISE, op_a, shift_amount);
+        const Node e = Operation(OperationCode::IBitwiseAnd, NO_PRECISE, d, one);
+        const Node pack_2 = Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, e, two);
+
+        const Node pack_01 = Operation(OperationCode::IBitwiseAnd, NO_PRECISE, pack_0, pack_1);
+        const Node pack_012 = Operation(OperationCode::IBitwiseAnd, NO_PRECISE, pack_01, pack_2);
+
+        const Node shifted_bit =
+            Operation(OperationCode::ILogicalShiftRight, NO_PRECISE, imm_lut, pack_012);
+        const Node bit = Operation(OperationCode::IBitwiseAnd, NO_PRECISE, shifted_bit, one);
+
+        const Node right =
+            Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, bit, shift_amount);
+
+        if (i > 0) {
+            value = Operation(OperationCode::IBitwiseOr, NO_PRECISE, value, right);
+        } else {
+            value = right;
+        }
+    }
+
+    SetInternalFlagsFromInteger(bb, value, sets_cc);
+    SetRegister(bb, dest, value);
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/arithmetic_integer_immediate.cpp

@@ -0,0 +1,96 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::LogicOperation;
+using Tegra::Shader::OpCode;
+using Tegra::Shader::Pred;
+using Tegra::Shader::PredicateResultMode;
+using Tegra::Shader::Register;
+
+u32 ShaderIR::DecodeArithmeticIntegerImmediate(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    Node op_a = GetRegister(instr.gpr8);
+    Node op_b = Immediate(static_cast<s32>(instr.alu.imm20_32));
+
+    switch (opcode->get().GetId()) {
+    case OpCode::Id::IADD32I: {
+        UNIMPLEMENTED_IF_MSG(instr.iadd32i.saturate, "IADD32I saturation is not implemented");
+
+        op_a = GetOperandAbsNegInteger(op_a, false, instr.iadd32i.negate_a, true);
+
+        const Node value = Operation(OperationCode::IAdd, PRECISE, op_a, op_b);
+
+        SetInternalFlagsFromInteger(bb, value, instr.op_32.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::LOP32I: {
+        if (instr.alu.lop32i.invert_a)
+            op_a = Operation(OperationCode::IBitwiseNot, NO_PRECISE, op_a);
+
+        if (instr.alu.lop32i.invert_b)
+            op_b = Operation(OperationCode::IBitwiseNot, NO_PRECISE, op_b);
+
+        WriteLogicOperation(bb, instr.gpr0, instr.alu.lop32i.operation, op_a, op_b,
+                            PredicateResultMode::None, Pred::UnusedIndex, instr.op_32.generates_cc);
+        break;
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unhandled ArithmeticIntegerImmediate instruction: {}",
+                          opcode->get().GetName());
+    }
+
+    return pc;
+}
+
+void ShaderIR::WriteLogicOperation(BasicBlock& bb, Register dest, LogicOperation logic_op,
+                                   Node op_a, Node op_b, PredicateResultMode predicate_mode,
+                                   Pred predicate, bool sets_cc) {
+    const Node result = [&]() {
+        switch (logic_op) {
+        case LogicOperation::And:
+            return Operation(OperationCode::IBitwiseAnd, PRECISE, op_a, op_b);
+        case LogicOperation::Or:
+            return Operation(OperationCode::IBitwiseOr, PRECISE, op_a, op_b);
+        case LogicOperation::Xor:
+            return Operation(OperationCode::IBitwiseXor, PRECISE, op_a, op_b);
+        case LogicOperation::PassB:
+            return op_b;
+        default:
+            UNIMPLEMENTED_MSG("Unimplemented logic operation={}", static_cast<u32>(logic_op));
+            return Immediate(0);
+        }
+    }();
+
+    SetInternalFlagsFromInteger(bb, result, sets_cc);
+    SetRegister(bb, dest, result);
+
+    // Write the predicate value depending on the predicate mode.
+    switch (predicate_mode) {
+    case PredicateResultMode::None:
+        // Do nothing.
+        return;
+    case PredicateResultMode::NotZero: {
+        // Set the predicate to true if the result is not zero.
+        const Node compare = Operation(OperationCode::LogicalINotEqual, result, Immediate(0));
+        SetPredicate(bb, static_cast<u64>(predicate), compare);
+        break;
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented predicate result mode: {}",
+                          static_cast<u32>(predicate_mode));
+    }
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/bfe.cpp

@@ -0,0 +1,49 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodeBfe(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    UNIMPLEMENTED_IF(instr.bfe.negate_b);
+
+    Node op_a = GetRegister(instr.gpr8);
+    op_a = GetOperandAbsNegInteger(op_a, false, instr.bfe.negate_a, false);
+
+    switch (opcode->get().GetId()) {
+    case OpCode::Id::BFE_IMM: {
+        UNIMPLEMENTED_IF_MSG(instr.generates_cc,
+                             "Condition codes generation in BFE is not implemented");
+
+        const Node inner_shift_imm = Immediate(static_cast<u32>(instr.bfe.GetLeftShiftValue()));
+        const Node outer_shift_imm =
+            Immediate(static_cast<u32>(instr.bfe.GetLeftShiftValue() + instr.bfe.shift_position));
+
+        const Node inner_shift =
+            Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, op_a, inner_shift_imm);
+        const Node outer_shift =
+            Operation(OperationCode::ILogicalShiftRight, NO_PRECISE, inner_shift, outer_shift_imm);
+
+        SetInternalFlagsFromInteger(bb, outer_shift, instr.generates_cc);
+        SetRegister(bb, instr.gpr0, outer_shift);
+        break;
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unhandled BFE instruction: {}", opcode->get().GetName());
+    }
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/bfi.cpp

@@ -0,0 +1,41 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodeBfi(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    const auto [base, packed_shift] = [&]() -> std::tuple<Node, Node> {
+        switch (opcode->get().GetId()) {
+        case OpCode::Id::BFI_IMM_R:
+            return {GetRegister(instr.gpr39), Immediate(instr.alu.GetSignedImm20_20())};
+        default:
+            UNREACHABLE();
+            return {Immediate(0), Immediate(0)};
+        }
+    }();
+    const Node insert = GetRegister(instr.gpr8);
+    const Node offset = BitfieldExtract(packed_shift, 0, 8);
+    const Node bits = BitfieldExtract(packed_shift, 8, 8);
+
+    const Node value =
+        Operation(OperationCode::UBitfieldInsert, PRECISE, base, insert, offset, bits);
+
+    SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
+    SetRegister(bb, instr.gpr0, value);
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/conversion.cpp

@@ -0,0 +1,149 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+using Tegra::Shader::Register;
+
+u32 ShaderIR::DecodeConversion(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    switch (opcode->get().GetId()) {
+    case OpCode::Id::I2I_R: {
+        UNIMPLEMENTED_IF(instr.conversion.selector);
+
+        const bool input_signed = instr.conversion.is_input_signed;
+        const bool output_signed = instr.conversion.is_output_signed;
+
+        Node value = GetRegister(instr.gpr20);
+        value = ConvertIntegerSize(value, instr.conversion.src_size, input_signed);
+
+        value = GetOperandAbsNegInteger(value, instr.conversion.abs_a, instr.conversion.negate_a,
+                                        input_signed);
+        if (input_signed != output_signed) {
+            value = SignedOperation(OperationCode::ICastUnsigned, output_signed, NO_PRECISE, value);
+        }
+
+        SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::I2F_R:
+    case OpCode::Id::I2F_C: {
+        UNIMPLEMENTED_IF(instr.conversion.dest_size != Register::Size::Word);
+        UNIMPLEMENTED_IF(instr.conversion.selector);
+        UNIMPLEMENTED_IF_MSG(instr.generates_cc,
+                             "Condition codes generation in I2F is not implemented");
+
+        Node value = [&]() {
+            if (instr.is_b_gpr) {
+                return GetRegister(instr.gpr20);
+            } else {
+                return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
+            }
+        }();
+        const bool input_signed = instr.conversion.is_input_signed;
+        value = ConvertIntegerSize(value, instr.conversion.src_size, input_signed);
+        value = GetOperandAbsNegInteger(value, instr.conversion.abs_a, false, input_signed);
+        value = SignedOperation(OperationCode::FCastInteger, input_signed, PRECISE, value);
+        value = GetOperandAbsNegFloat(value, false, instr.conversion.negate_a);
+
+        SetInternalFlagsFromFloat(bb, value, instr.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::F2F_R:
+    case OpCode::Id::F2F_C: {
+        UNIMPLEMENTED_IF(instr.conversion.dest_size != Register::Size::Word);
+        UNIMPLEMENTED_IF(instr.conversion.src_size != Register::Size::Word);
+        UNIMPLEMENTED_IF_MSG(instr.generates_cc,
+                             "Condition codes generation in F2F is not implemented");
+
+        Node value = [&]() {
+            if (instr.is_b_gpr) {
+                return GetRegister(instr.gpr20);
+            } else {
+                return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
+            }
+        }();
+
+        value = GetOperandAbsNegFloat(value, instr.conversion.abs_a, instr.conversion.negate_a);
+
+        value = [&]() {
+            switch (instr.conversion.f2f.rounding) {
+            case Tegra::Shader::F2fRoundingOp::None:
+                return value;
+            case Tegra::Shader::F2fRoundingOp::Round:
+                return Operation(OperationCode::FRoundEven, PRECISE, value);
+            case Tegra::Shader::F2fRoundingOp::Floor:
+                return Operation(OperationCode::FFloor, PRECISE, value);
+            case Tegra::Shader::F2fRoundingOp::Ceil:
+                return Operation(OperationCode::FCeil, PRECISE, value);
+            case Tegra::Shader::F2fRoundingOp::Trunc:
+                return Operation(OperationCode::FTrunc, PRECISE, value);
+            }
+            UNIMPLEMENTED_MSG("Unimplemented F2F rounding mode {}",
+                              static_cast<u32>(instr.conversion.f2f.rounding.Value()));
+            return Immediate(0);
+        }();
+        value = GetSaturatedFloat(value, instr.alu.saturate_d);
+
+        SetInternalFlagsFromFloat(bb, value, instr.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::F2I_R:
+    case OpCode::Id::F2I_C: {
+        UNIMPLEMENTED_IF(instr.conversion.src_size != Register::Size::Word);
+        UNIMPLEMENTED_IF_MSG(instr.generates_cc,
+                             "Condition codes generation in F2I is not implemented");
+        Node value = [&]() {
+            if (instr.is_b_gpr) {
+                return GetRegister(instr.gpr20);
+            } else {
+                return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
+            }
+        }();
+
+        value = GetOperandAbsNegFloat(value, instr.conversion.abs_a, instr.conversion.negate_a);
+
+        value = [&]() {
+            switch (instr.conversion.f2i.rounding) {
+            case Tegra::Shader::F2iRoundingOp::None:
+                return value;
+            case Tegra::Shader::F2iRoundingOp::Floor:
+                return Operation(OperationCode::FFloor, PRECISE, value);
+            case Tegra::Shader::F2iRoundingOp::Ceil:
+                return Operation(OperationCode::FCeil, PRECISE, value);
+            case Tegra::Shader::F2iRoundingOp::Trunc:
+                return Operation(OperationCode::FTrunc, PRECISE, value);
+            default:
+                UNIMPLEMENTED_MSG("Unimplemented F2I rounding mode {}",
+                                  static_cast<u32>(instr.conversion.f2i.rounding.Value()));
+                return Immediate(0);
+            }
+        }();
+        const bool is_signed = instr.conversion.is_output_signed;
+        value = SignedOperation(OperationCode::ICastFloat, is_signed, PRECISE, value);
+        value = ConvertIntegerSize(value, instr.conversion.dest_size, is_signed);
+
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unhandled conversion instruction: {}", opcode->get().GetName());
+    }
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/ffma.cpp

@@ -0,0 +1,59 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodeFfma(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    UNIMPLEMENTED_IF_MSG(instr.ffma.cc != 0, "FFMA cc not implemented");
+    UNIMPLEMENTED_IF_MSG(instr.ffma.tab5980_0 != 1, "FFMA tab5980_0({}) not implemented",
+                         instr.ffma.tab5980_0.Value()); // Seems to be 1 by default based on SMO
+    UNIMPLEMENTED_IF_MSG(instr.ffma.tab5980_1 != 0, "FFMA tab5980_1({}) not implemented",
+                         instr.ffma.tab5980_1.Value());
+
+    const Node op_a = GetRegister(instr.gpr8);
+
+    auto [op_b, op_c] = [&]() -> std::tuple<Node, Node> {
+        switch (opcode->get().GetId()) {
+        case OpCode::Id::FFMA_CR: {
+            return {GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset),
+                    GetRegister(instr.gpr39)};
+        }
+        case OpCode::Id::FFMA_RR:
+            return {GetRegister(instr.gpr20), GetRegister(instr.gpr39)};
+        case OpCode::Id::FFMA_RC: {
+            return {GetRegister(instr.gpr39),
+                    GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset)};
+        }
+        case OpCode::Id::FFMA_IMM:
+            return {GetImmediate19(instr), GetRegister(instr.gpr39)};
+        default:
+            UNIMPLEMENTED_MSG("Unhandled FFMA instruction: {}", opcode->get().GetName());
+            return {Immediate(0), Immediate(0)};
+        }
+    }();
+
+    op_b = GetOperandAbsNegFloat(op_b, false, instr.ffma.negate_b);
+    op_c = GetOperandAbsNegFloat(op_c, false, instr.ffma.negate_c);
+
+    Node value = Operation(OperationCode::FFma, PRECISE, op_a, op_b, op_c);
+    value = GetSaturatedFloat(value, instr.alu.saturate_d);
+
+    SetInternalFlagsFromFloat(bb, value, instr.generates_cc);
+    SetRegister(bb, instr.gpr0, value);
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/float_set.cpp

@@ -0,0 +1,58 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodeFloatSet(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    const Node op_a = GetOperandAbsNegFloat(GetRegister(instr.gpr8), instr.fset.abs_a != 0,
+                                            instr.fset.neg_a != 0);
+
+    Node op_b = [&]() {
+        if (instr.is_b_imm) {
+            return GetImmediate19(instr);
+        } else if (instr.is_b_gpr) {
+            return GetRegister(instr.gpr20);
+        } else {
+            return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
+        }
+    }();
+
+    op_b = GetOperandAbsNegFloat(op_b, instr.fset.abs_b != 0, instr.fset.neg_b != 0);
+
+    // The fset instruction sets a register to 1.0 or -1 (depending on the bf bit) if the
+    // condition is true, and to 0 otherwise.
+    const Node second_pred = GetPredicate(instr.fset.pred39, instr.fset.neg_pred != 0);
+
+    const OperationCode combiner = GetPredicateCombiner(instr.fset.op);
+    const Node first_pred = GetPredicateComparisonFloat(instr.fset.cond, op_a, op_b);
+
+    const Node predicate = Operation(combiner, first_pred, second_pred);
+
+    const Node true_value = instr.fset.bf ? Immediate(1.0f) : Immediate(-1);
+    const Node false_value = instr.fset.bf ? Immediate(0.0f) : Immediate(0);
+    const Node value =
+        Operation(OperationCode::Select, PRECISE, predicate, true_value, false_value);
+
+    if (instr.fset.bf) {
+        SetInternalFlagsFromFloat(bb, value, instr.generates_cc);
+    } else {
+        SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
+    }
+    SetRegister(bb, instr.gpr0, value);
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/float_set_predicate.cpp

@@ -0,0 +1,56 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+using Tegra::Shader::Pred;
+
+u32 ShaderIR::DecodeFloatSetPredicate(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    const Node op_a = GetOperandAbsNegFloat(GetRegister(instr.gpr8), instr.fsetp.abs_a != 0,
+                                            instr.fsetp.neg_a != 0);
+    Node op_b = [&]() {
+        if (instr.is_b_imm) {
+            return GetImmediate19(instr);
+        } else if (instr.is_b_gpr) {
+            return GetRegister(instr.gpr20);
+        } else {
+            return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
+        }
+    }();
+    op_b = GetOperandAbsNegFloat(op_b, instr.fsetp.abs_b, false);
+
+    // We can't use the constant predicate as destination.
+    ASSERT(instr.fsetp.pred3 != static_cast<u64>(Pred::UnusedIndex));
+
+    const Node predicate = GetPredicateComparisonFloat(instr.fsetp.cond, op_a, op_b);
+    const Node second_pred = GetPredicate(instr.fsetp.pred39, instr.fsetp.neg_pred != 0);
+
+    const OperationCode combiner = GetPredicateCombiner(instr.fsetp.op);
+    const Node value = Operation(combiner, predicate, second_pred);
+
+    // Set the primary predicate to the result of Predicate OP SecondPredicate
+    SetPredicate(bb, instr.fsetp.pred3, value);
+
+    if (instr.fsetp.pred0 != static_cast<u64>(Pred::UnusedIndex)) {
+        // Set the secondary predicate to the result of !Predicate OP SecondPredicate,
+        // if enabled
+        const Node negated_pred = Operation(OperationCode::LogicalNegate, predicate);
+        const Node second_value = Operation(combiner, negated_pred, second_pred);
+        SetPredicate(bb, instr.fsetp.pred0, second_value);
+    }
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/half_set.cpp

@@ -0,0 +1,67 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <array>
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodeHalfSet(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    UNIMPLEMENTED_IF(instr.hset2.ftz != 0);
+
+    // instr.hset2.type_a
+    // instr.hset2.type_b
+    Node op_a = GetRegister(instr.gpr8);
+    Node op_b = [&]() {
+        switch (opcode->get().GetId()) {
+        case OpCode::Id::HSET2_R:
+            return GetRegister(instr.gpr20);
+        default:
+            UNREACHABLE();
+            return Immediate(0);
+        }
+    }();
+
+    op_a = GetOperandAbsNegHalf(op_a, instr.hset2.abs_a, instr.hset2.negate_a);
+    op_b = GetOperandAbsNegHalf(op_b, instr.hset2.abs_b, instr.hset2.negate_b);
+
+    const Node second_pred = GetPredicate(instr.hset2.pred39, instr.hset2.neg_pred);
+
+    MetaHalfArithmetic meta{false, {instr.hset2.type_a, instr.hset2.type_b}};
+    const Node comparison_pair = GetPredicateComparisonHalf(instr.hset2.cond, meta, op_a, op_b);
+
+    const OperationCode combiner = GetPredicateCombiner(instr.hset2.op);
+
+    // HSET2 operates on each half float in the pack.
+    std::array<Node, 2> values;
+    for (u32 i = 0; i < 2; ++i) {
+        const u32 raw_value = instr.hset2.bf ? 0x3c00 : 0xffff;
+        const Node true_value = Immediate(raw_value << (i * 16));
+        const Node false_value = Immediate(0);
+
+        const Node comparison =
+            Operation(OperationCode::LogicalPick2, comparison_pair, Immediate(i));
+        const Node predicate = Operation(combiner, comparison, second_pred);
+
+        values[i] =
+            Operation(OperationCode::Select, NO_PRECISE, predicate, true_value, false_value);
+    }
+
+    const Node value = Operation(OperationCode::UBitwiseOr, NO_PRECISE, values[0], values[1]);
+    SetRegister(bb, instr.gpr0, value);
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/half_set_predicate.cpp

@@ -0,0 +1,62 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+using Tegra::Shader::Pred;
+
+u32 ShaderIR::DecodeHalfSetPredicate(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    UNIMPLEMENTED_IF(instr.hsetp2.ftz != 0);
+
+    Node op_a = GetRegister(instr.gpr8);
+    op_a = GetOperandAbsNegHalf(op_a, instr.hsetp2.abs_a, instr.hsetp2.negate_a);
+
+    const Node op_b = [&]() {
+        switch (opcode->get().GetId()) {
+        case OpCode::Id::HSETP2_R:
+            return GetOperandAbsNegHalf(GetRegister(instr.gpr20), instr.hsetp2.abs_a,
+                                        instr.hsetp2.negate_b);
+        default:
+            UNREACHABLE();
+            return Immediate(0);
+        }
+    }();
+
+    // We can't use the constant predicate as destination.
+    ASSERT(instr.hsetp2.pred3 != static_cast<u64>(Pred::UnusedIndex));
+
+    const Node second_pred = GetPredicate(instr.hsetp2.pred39, instr.hsetp2.neg_pred != 0);
+
+    const OperationCode combiner = GetPredicateCombiner(instr.hsetp2.op);
+    const OperationCode pair_combiner =
+        instr.hsetp2.h_and ? OperationCode::LogicalAll2 : OperationCode::LogicalAny2;
+
+    MetaHalfArithmetic meta = {false, {instr.hsetp2.type_a, instr.hsetp2.type_b}};
+    const Node comparison = GetPredicateComparisonHalf(instr.hsetp2.cond, meta, op_a, op_b);
+    const Node first_pred = Operation(pair_combiner, comparison);
+
+    // Set the primary predicate to the result of Predicate OP SecondPredicate
+    const Node value = Operation(combiner, first_pred, second_pred);
+    SetPredicate(bb, instr.hsetp2.pred3, value);
+
+    if (instr.hsetp2.pred0 != static_cast<u64>(Pred::UnusedIndex)) {
+        // Set the secondary predicate to the result of !Predicate OP SecondPredicate, if enabled
+        const Node negated_pred = Operation(OperationCode::LogicalNegate, first_pred);
+        SetPredicate(bb, instr.hsetp2.pred0, Operation(combiner, negated_pred, second_pred));
+    }
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/hfma2.cpp

@@ -0,0 +1,76 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <tuple>
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::HalfPrecision;
+using Tegra::Shader::HalfType;
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodeHfma2(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    if (opcode->get().GetId() == OpCode::Id::HFMA2_RR) {
+        UNIMPLEMENTED_IF(instr.hfma2.rr.precision != HalfPrecision::None);
+    } else {
+        UNIMPLEMENTED_IF(instr.hfma2.precision != HalfPrecision::None);
+    }
+
+    constexpr auto identity = HalfType::H0_H1;
+
+    const HalfType type_a = instr.hfma2.type_a;
+    const Node op_a = GetRegister(instr.gpr8);
+
+    bool neg_b{}, neg_c{};
+    auto [saturate, type_b, op_b, type_c,
+          op_c] = [&]() -> std::tuple<bool, HalfType, Node, HalfType, Node> {
+        switch (opcode->get().GetId()) {
+        case OpCode::Id::HFMA2_CR:
+            neg_b = instr.hfma2.negate_b;
+            neg_c = instr.hfma2.negate_c;
+            return {instr.hfma2.saturate, instr.hfma2.type_b,
+                    GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset), instr.hfma2.type_reg39,
+                    GetRegister(instr.gpr39)};
+        case OpCode::Id::HFMA2_RC:
+            neg_b = instr.hfma2.negate_b;
+            neg_c = instr.hfma2.negate_c;
+            return {instr.hfma2.saturate, instr.hfma2.type_reg39, GetRegister(instr.gpr39),
+                    instr.hfma2.type_b, GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset)};
+        case OpCode::Id::HFMA2_RR:
+            neg_b = instr.hfma2.rr.negate_b;
+            neg_c = instr.hfma2.rr.negate_c;
+            return {instr.hfma2.rr.saturate, instr.hfma2.type_b, GetRegister(instr.gpr20),
+                    instr.hfma2.rr.type_c, GetRegister(instr.gpr39)};
+        case OpCode::Id::HFMA2_IMM_R:
+            neg_c = instr.hfma2.negate_c;
+            return {instr.hfma2.saturate, identity, UnpackHalfImmediate(instr, true),
+                    instr.hfma2.type_reg39, GetRegister(instr.gpr39)};
+        default:
+            return {false, identity, Immediate(0), identity, Immediate(0)};
+        }
+    }();
+    UNIMPLEMENTED_IF_MSG(saturate, "HFMA2 saturation is not implemented");
+
+    op_b = GetOperandAbsNegHalf(op_b, false, neg_b);
+    op_c = GetOperandAbsNegHalf(op_c, false, neg_c);
+
+    MetaHalfArithmetic meta{true, {type_a, type_b, type_c}};
+    Node value = Operation(OperationCode::HFma, meta, op_a, op_b, op_c);
+    value = HalfMerge(GetRegister(instr.gpr0), value, instr.hfma2.merge);
+
+    SetRegister(bb, instr.gpr0, value);
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/integer_set.cpp

@@ -0,0 +1,50 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodeIntegerSet(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    const Node op_a = GetRegister(instr.gpr8);
+    const Node op_b = [&]() {
+        if (instr.is_b_imm) {
+            return Immediate(instr.alu.GetSignedImm20_20());
+        } else if (instr.is_b_gpr) {
+            return GetRegister(instr.gpr20);
+        } else {
+            return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
+        }
+    }();
+
+    // The iset instruction sets a register to 1.0 or -1 (depending on the bf bit) if the condition
+    // is true, and to 0 otherwise.
+    const Node second_pred = GetPredicate(instr.iset.pred39, instr.iset.neg_pred != 0);
+    const Node first_pred =
+        GetPredicateComparisonInteger(instr.iset.cond, instr.iset.is_signed, op_a, op_b);
+
+    const OperationCode combiner = GetPredicateCombiner(instr.iset.op);
+
+    const Node predicate = Operation(combiner, first_pred, second_pred);
+
+    const Node true_value = instr.iset.bf ? Immediate(1.0f) : Immediate(-1);
+    const Node false_value = instr.iset.bf ? Immediate(0.0f) : Immediate(0);
+    const Node value =
+        Operation(OperationCode::Select, PRECISE, predicate, true_value, false_value);
+
+    SetRegister(bb, instr.gpr0, value);
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/integer_set_predicate.cpp

@@ -0,0 +1,53 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+using Tegra::Shader::Pred;
+
+u32 ShaderIR::DecodeIntegerSetPredicate(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    const Node op_a = GetRegister(instr.gpr8);
+
+    const Node op_b = [&]() {
+        if (instr.is_b_imm) {
+            return Immediate(instr.alu.GetSignedImm20_20());
+        } else if (instr.is_b_gpr) {
+            return GetRegister(instr.gpr20);
+        } else {
+            return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
+        }
+    }();
+
+    // We can't use the constant predicate as destination.
+    ASSERT(instr.isetp.pred3 != static_cast<u64>(Pred::UnusedIndex));
+
+    const Node second_pred = GetPredicate(instr.isetp.pred39, instr.isetp.neg_pred != 0);
+    const Node predicate =
+        GetPredicateComparisonInteger(instr.isetp.cond, instr.isetp.is_signed, op_a, op_b);
+
+    // Set the primary predicate to the result of Predicate OP SecondPredicate
+    const OperationCode combiner = GetPredicateCombiner(instr.isetp.op);
+    const Node value = Operation(combiner, predicate, second_pred);
+    SetPredicate(bb, instr.isetp.pred3, value);
+
+    if (instr.isetp.pred0 != static_cast<u64>(Pred::UnusedIndex)) {
+        // Set the secondary predicate to the result of !Predicate OP SecondPredicate, if enabled
+        const Node negated_pred = Operation(OperationCode::LogicalNegate, predicate);
+        SetPredicate(bb, instr.isetp.pred0, Operation(combiner, negated_pred, second_pred));
+    }
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/memory.cpp

@@ -0,0 +1,688 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <vector>
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Attribute;
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+using Tegra::Shader::Register;
+using Tegra::Shader::TextureMiscMode;
+using Tegra::Shader::TextureProcessMode;
+using Tegra::Shader::TextureType;
+
+static std::size_t GetCoordCount(TextureType texture_type) {
+    switch (texture_type) {
+    case TextureType::Texture1D:
+        return 1;
+    case TextureType::Texture2D:
+        return 2;
+    case TextureType::Texture3D:
+    case TextureType::TextureCube:
+        return 3;
+    default:
+        UNIMPLEMENTED_MSG("Unhandled texture type: {}", static_cast<u32>(texture_type));
+        return 0;
+    }
+}
+
+u32 ShaderIR::DecodeMemory(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    switch (opcode->get().GetId()) {
+    case OpCode::Id::LD_A: {
+        // Note: Shouldn't this be interp mode flat? As in no interpolation made.
+        UNIMPLEMENTED_IF_MSG(instr.gpr8.Value() != Register::ZeroIndex,
+                             "Indirect attribute loads are not supported");
+        UNIMPLEMENTED_IF_MSG((instr.attribute.fmt20.immediate.Value() % sizeof(u32)) != 0,
+                             "Unaligned attribute loads are not supported");
+
+        Tegra::Shader::IpaMode input_mode{Tegra::Shader::IpaInterpMode::Perspective,
+                                          Tegra::Shader::IpaSampleMode::Default};
+
+        u64 next_element = instr.attribute.fmt20.element;
+        auto next_index = static_cast<u64>(instr.attribute.fmt20.index.Value());
+
+        const auto LoadNextElement = [&](u32 reg_offset) {
+            const Node buffer = GetRegister(instr.gpr39);
+            const Node attribute = GetInputAttribute(static_cast<Attribute::Index>(next_index),
+                                                     next_element, input_mode, buffer);
+
+            SetRegister(bb, instr.gpr0.Value() + reg_offset, attribute);
+
+            // Load the next attribute element into the following register. If the element
+            // to load goes beyond the vec4 size, load the first element of the next
+            // attribute.
+            next_element = (next_element + 1) % 4;
+            next_index = next_index + (next_element == 0 ? 1 : 0);
+        };
+
+        const u32 num_words = static_cast<u32>(instr.attribute.fmt20.size.Value()) + 1;
+        for (u32 reg_offset = 0; reg_offset < num_words; ++reg_offset) {
+            LoadNextElement(reg_offset);
+        }
+        break;
+    }
+    case OpCode::Id::LD_C: {
+        UNIMPLEMENTED_IF(instr.ld_c.unknown != 0);
+
+        Node index = GetRegister(instr.gpr8);
+
+        const Node op_a =
+            GetConstBufferIndirect(instr.cbuf36.index, instr.cbuf36.offset + 0, index);
+
+        switch (instr.ld_c.type.Value()) {
+        case Tegra::Shader::UniformType::Single:
+            SetRegister(bb, instr.gpr0, op_a);
+            break;
+
+        case Tegra::Shader::UniformType::Double: {
+            const Node op_b =
+                GetConstBufferIndirect(instr.cbuf36.index, instr.cbuf36.offset + 4, index);
+
+            SetTemporal(bb, 0, op_a);
+            SetTemporal(bb, 1, op_b);
+            SetRegister(bb, instr.gpr0, GetTemporal(0));
+            SetRegister(bb, instr.gpr0.Value() + 1, GetTemporal(1));
+            break;
+        }
+        default:
+            UNIMPLEMENTED_MSG("Unhandled type: {}", static_cast<unsigned>(instr.ld_c.type.Value()));
+        }
+        break;
+    }
+    case OpCode::Id::LD_L: {
+        UNIMPLEMENTED_IF_MSG(instr.ld_l.unknown == 1, "LD_L Unhandled mode: {}",
+                             static_cast<unsigned>(instr.ld_l.unknown.Value()));
+
+        const Node index = Operation(OperationCode::IAdd, GetRegister(instr.gpr8),
+                                     Immediate(static_cast<s32>(instr.smem_imm)));
+        const Node lmem = GetLocalMemory(index);
+
+        switch (instr.ldst_sl.type.Value()) {
+        case Tegra::Shader::StoreType::Bytes32:
+            SetRegister(bb, instr.gpr0, lmem);
+            break;
+        default:
+            UNIMPLEMENTED_MSG("LD_L Unhandled type: {}",
+                              static_cast<unsigned>(instr.ldst_sl.type.Value()));
+        }
+        break;
+    }
+    case OpCode::Id::ST_A: {
+        UNIMPLEMENTED_IF_MSG(instr.gpr8.Value() != Register::ZeroIndex,
+                             "Indirect attribute loads are not supported");
+        UNIMPLEMENTED_IF_MSG((instr.attribute.fmt20.immediate.Value() % sizeof(u32)) != 0,
+                             "Unaligned attribute loads are not supported");
+
+        u64 next_element = instr.attribute.fmt20.element;
+        auto next_index = static_cast<u64>(instr.attribute.fmt20.index.Value());
+
+        const auto StoreNextElement = [&](u32 reg_offset) {
+            const auto dest = GetOutputAttribute(static_cast<Attribute::Index>(next_index),
+                                                 next_element, GetRegister(instr.gpr39));
+            const auto src = GetRegister(instr.gpr0.Value() + reg_offset);
+
+            bb.push_back(Operation(OperationCode::Assign, dest, src));
+
+            // Load the next attribute element into the following register. If the element
+            // to load goes beyond the vec4 size, load the first element of the next
+            // attribute.
+            next_element = (next_element + 1) % 4;
+            next_index = next_index + (next_element == 0 ? 1 : 0);
+        };
+
+        const u32 num_words = static_cast<u32>(instr.attribute.fmt20.size.Value()) + 1;
+        for (u32 reg_offset = 0; reg_offset < num_words; ++reg_offset) {
+            StoreNextElement(reg_offset);
+        }
+
+        break;
+    }
+    case OpCode::Id::ST_L: {
+        UNIMPLEMENTED_IF_MSG(instr.st_l.unknown == 0, "ST_L Unhandled mode: {}",
+                             static_cast<u32>(instr.st_l.unknown.Value()));
+
+        const Node index = Operation(OperationCode::IAdd, NO_PRECISE, GetRegister(instr.gpr8),
+                                     Immediate(static_cast<s32>(instr.smem_imm)));
+
+        switch (instr.ldst_sl.type.Value()) {
+        case Tegra::Shader::StoreType::Bytes32:
+            SetLocalMemory(bb, index, GetRegister(instr.gpr0));
+            break;
+        default:
+            UNIMPLEMENTED_MSG("ST_L Unhandled type: {}",
+                              static_cast<u32>(instr.ldst_sl.type.Value()));
+        }
+        break;
+    }
+    case OpCode::Id::TEX: {
+        UNIMPLEMENTED_IF_MSG(instr.tex.UsesMiscMode(TextureMiscMode::AOFFI),
+                             "AOFFI is not implemented");
+
+        if (instr.tex.UsesMiscMode(TextureMiscMode::NODEP)) {
+            LOG_WARNING(HW_GPU, "TEX.NODEP implementation is incomplete");
+        }
+
+        const TextureType texture_type{instr.tex.texture_type};
+        const bool is_array = instr.tex.array != 0;
+        const bool depth_compare = instr.tex.UsesMiscMode(TextureMiscMode::DC);
+        const auto process_mode = instr.tex.GetTextureProcessMode();
+        WriteTexInstructionFloat(
+            bb, instr, GetTexCode(instr, texture_type, process_mode, depth_compare, is_array));
+        break;
+    }
+    case OpCode::Id::TEXS: {
+        const TextureType texture_type{instr.texs.GetTextureType()};
+        const bool is_array{instr.texs.IsArrayTexture()};
+        const bool depth_compare = instr.texs.UsesMiscMode(TextureMiscMode::DC);
+        const auto process_mode = instr.texs.GetTextureProcessMode();
+
+        if (instr.texs.UsesMiscMode(TextureMiscMode::NODEP)) {
+            LOG_WARNING(HW_GPU, "TEXS.NODEP implementation is incomplete");
+        }
+
+        const Node4 components =
+            GetTexsCode(instr, texture_type, process_mode, depth_compare, is_array);
+
+        if (instr.texs.fp32_flag) {
+            WriteTexsInstructionFloat(bb, instr, components);
+        } else {
+            WriteTexsInstructionHalfFloat(bb, instr, components);
+        }
+        break;
+    }
+    case OpCode::Id::TLD4: {
+        ASSERT(instr.tld4.array == 0);
+        UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::AOFFI),
+                             "AOFFI is not implemented");
+        UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::NDV),
+                             "NDV is not implemented");
+        UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::PTP),
+                             "PTP is not implemented");
+
+        if (instr.tld4.UsesMiscMode(TextureMiscMode::NODEP)) {
+            LOG_WARNING(HW_GPU, "TLD4.NODEP implementation is incomplete");
+        }
+
+        const auto texture_type = instr.tld4.texture_type.Value();
+        const bool depth_compare = instr.tld4.UsesMiscMode(TextureMiscMode::DC);
+        const bool is_array = instr.tld4.array != 0;
+        WriteTexInstructionFloat(bb, instr,
+                                 GetTld4Code(instr, texture_type, depth_compare, is_array));
+        break;
+    }
+    case OpCode::Id::TLD4S: {
+        UNIMPLEMENTED_IF_MSG(instr.tld4s.UsesMiscMode(TextureMiscMode::AOFFI),
+                             "AOFFI is not implemented");
+
+        if (instr.tld4s.UsesMiscMode(TextureMiscMode::NODEP)) {
+            LOG_WARNING(HW_GPU, "TLD4S.NODEP implementation is incomplete");
+        }
+
+        const bool depth_compare = instr.tld4s.UsesMiscMode(TextureMiscMode::DC);
+        const Node op_a = GetRegister(instr.gpr8);
+        const Node op_b = GetRegister(instr.gpr20);
+
+        std::vector<Node> coords;
+
+        // TODO(Subv): Figure out how the sampler type is encoded in the TLD4S instruction.
+        if (depth_compare) {
+            // Note: TLD4S coordinate encoding works just like TEXS's
+            const Node op_y = GetRegister(instr.gpr8.Value() + 1);
+            coords.push_back(op_a);
+            coords.push_back(op_y);
+            coords.push_back(op_b);
+        } else {
+            coords.push_back(op_a);
+            coords.push_back(op_b);
+        }
+        const auto num_coords = static_cast<u32>(coords.size());
+        coords.push_back(Immediate(static_cast<u32>(instr.tld4s.component)));
+
+        const auto& sampler =
+            GetSampler(instr.sampler, TextureType::Texture2D, false, depth_compare);
+
+        Node4 values;
+        for (u32 element = 0; element < values.size(); ++element) {
+            auto params = coords;
+            MetaTexture meta{sampler, element, num_coords};
+            values[element] =
+                Operation(OperationCode::F4TextureGather, std::move(meta), std::move(params));
+        }
+
+        WriteTexsInstructionFloat(bb, instr, values);
+        break;
+    }
+    case OpCode::Id::TXQ: {
+        if (instr.txq.UsesMiscMode(TextureMiscMode::NODEP)) {
+            LOG_WARNING(HW_GPU, "TXQ.NODEP implementation is incomplete");
+        }
+
+        // TODO: The new commits on the texture refactor, change the way samplers work.
+        // Sadly, not all texture instructions specify the type of texture their sampler
+        // uses. This must be fixed at a later instance.
+        const auto& sampler =
+            GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false, false);
+
+        switch (instr.txq.query_type) {
+        case Tegra::Shader::TextureQueryType::Dimension: {
+            for (u32 element = 0; element < 4; ++element) {
+                MetaTexture meta{sampler, element};
+                const Node value = Operation(OperationCode::F4TextureQueryDimensions,
+                                             std::move(meta), GetRegister(instr.gpr8));
+                SetTemporal(bb, element, value);
+            }
+            for (u32 i = 0; i < 4; ++i) {
+                SetRegister(bb, instr.gpr0.Value() + i, GetTemporal(i));
+            }
+            break;
+        }
+        default:
+            UNIMPLEMENTED_MSG("Unhandled texture query type: {}",
+                              static_cast<u32>(instr.txq.query_type.Value()));
+        }
+        break;
+    }
+    case OpCode::Id::TMML: {
+        UNIMPLEMENTED_IF_MSG(instr.tmml.UsesMiscMode(Tegra::Shader::TextureMiscMode::NDV),
+                             "NDV is not implemented");
+
+        if (instr.tmml.UsesMiscMode(TextureMiscMode::NODEP)) {
+            LOG_WARNING(HW_GPU, "TMML.NODEP implementation is incomplete");
+        }
+
+        auto texture_type = instr.tmml.texture_type.Value();
+        const bool is_array = instr.tmml.array != 0;
+        const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, false);
+
+        std::vector<Node> coords;
+
+        // TODO: Add coordinates for different samplers once other texture types are implemented.
+        switch (texture_type) {
+        case TextureType::Texture1D:
+            coords.push_back(GetRegister(instr.gpr8));
+            break;
+        case TextureType::Texture2D:
+            coords.push_back(GetRegister(instr.gpr8.Value() + 0));
+            coords.push_back(GetRegister(instr.gpr8.Value() + 1));
+            break;
+        default:
+            UNIMPLEMENTED_MSG("Unhandled texture type {}", static_cast<u32>(texture_type));
+
+            // Fallback to interpreting as a 2D texture for now
+            coords.push_back(GetRegister(instr.gpr8.Value() + 0));
+            coords.push_back(GetRegister(instr.gpr8.Value() + 1));
+            texture_type = TextureType::Texture2D;
+        }
+
+        for (u32 element = 0; element < 2; ++element) {
+            auto params = coords;
+            MetaTexture meta_texture{sampler, element, static_cast<u32>(coords.size())};
+            const Node value =
+                Operation(OperationCode::F4TextureQueryLod, meta_texture, std::move(params));
+            SetTemporal(bb, element, value);
+        }
+        for (u32 element = 0; element < 2; ++element) {
+            SetRegister(bb, instr.gpr0.Value() + element, GetTemporal(element));
+        }
+
+        break;
+    }
+    case OpCode::Id::TLDS: {
+        const Tegra::Shader::TextureType texture_type{instr.tlds.GetTextureType()};
+        const bool is_array{instr.tlds.IsArrayTexture()};
+
+        UNIMPLEMENTED_IF_MSG(instr.tlds.UsesMiscMode(TextureMiscMode::AOFFI),
+                             "AOFFI is not implemented");
+        UNIMPLEMENTED_IF_MSG(instr.tlds.UsesMiscMode(TextureMiscMode::MZ), "MZ is not implemented");
+
+        if (instr.tlds.UsesMiscMode(TextureMiscMode::NODEP)) {
+            LOG_WARNING(HW_GPU, "TMML.NODEP implementation is incomplete");
+        }
+
+        WriteTexsInstructionFloat(bb, instr, GetTldsCode(instr, texture_type, is_array));
+        break;
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unhandled memory instruction: {}", opcode->get().GetName());
+    }
+
+    return pc;
+}
+
+const Sampler& ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler, TextureType type,
+                                    bool is_array, bool is_shadow) {
+    const auto offset = static_cast<std::size_t>(sampler.index.Value());
+
+    // If this sampler has already been used, return the existing mapping.
+    const auto itr =
+        std::find_if(used_samplers.begin(), used_samplers.end(),
+                     [&](const Sampler& entry) { return entry.GetOffset() == offset; });
+    if (itr != used_samplers.end()) {
+        ASSERT(itr->GetType() == type && itr->IsArray() == is_array &&
+               itr->IsShadow() == is_shadow);
+        return *itr;
+    }
+
+    // Otherwise create a new mapping for this sampler
+    const std::size_t next_index = used_samplers.size();
+    const Sampler entry{offset, next_index, type, is_array, is_shadow};
+    return *used_samplers.emplace(entry).first;
+}
+
+void ShaderIR::WriteTexInstructionFloat(BasicBlock& bb, Instruction instr,
+                                        const Node4& components) {
+    u32 dest_elem = 0;
+    for (u32 elem = 0; elem < 4; ++elem) {
+        if (!instr.tex.IsComponentEnabled(elem)) {
+            // Skip disabled components
+            continue;
+        }
+        SetTemporal(bb, dest_elem++, components[elem]);
+    }
+    // After writing values in temporals, move them to the real registers
+    for (u32 i = 0; i < dest_elem; ++i) {
+        SetRegister(bb, instr.gpr0.Value() + i, GetTemporal(i));
+    }
+}
+
+void ShaderIR::WriteTexsInstructionFloat(BasicBlock& bb, Instruction instr,
+                                         const Node4& components) {
+    // TEXS has two destination registers and a swizzle. The first two elements in the swizzle
+    // go into gpr0+0 and gpr0+1, and the rest goes into gpr28+0 and gpr28+1
+
+    u32 dest_elem = 0;
+    for (u32 component = 0; component < 4; ++component) {
+        if (!instr.texs.IsComponentEnabled(component))
+            continue;
+        SetTemporal(bb, dest_elem++, components[component]);
+    }
+
+    for (u32 i = 0; i < dest_elem; ++i) {
+        if (i < 2) {
+            // Write the first two swizzle components to gpr0 and gpr0+1
+            SetRegister(bb, instr.gpr0.Value() + i % 2, GetTemporal(i));
+        } else {
+            ASSERT(instr.texs.HasTwoDestinations());
+            // Write the rest of the swizzle components to gpr28 and gpr28+1
+            SetRegister(bb, instr.gpr28.Value() + i % 2, GetTemporal(i));
+        }
+    }
+}
+
+void ShaderIR::WriteTexsInstructionHalfFloat(BasicBlock& bb, Instruction instr,
+                                             const Node4& components) {
+    // TEXS.F16 destionation registers are packed in two registers in pairs (just like any half
+    // float instruction).
+
+    Node4 values;
+    u32 dest_elem = 0;
+    for (u32 component = 0; component < 4; ++component) {
+        if (!instr.texs.IsComponentEnabled(component))
+            continue;
+        values[dest_elem++] = components[component];
+    }
+    if (dest_elem == 0)
+        return;
+
+    std::generate(values.begin() + dest_elem, values.end(), [&]() { return Immediate(0); });
+
+    const Node first_value = Operation(OperationCode::HPack2, values[0], values[1]);
+    if (dest_elem <= 2) {
+        SetRegister(bb, instr.gpr0, first_value);
+        return;
+    }
+
+    SetTemporal(bb, 0, first_value);
+    SetTemporal(bb, 1, Operation(OperationCode::HPack2, values[2], values[3]));
+
+    SetRegister(bb, instr.gpr0, GetTemporal(0));
+    SetRegister(bb, instr.gpr28, GetTemporal(1));
+}
+
+Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
+                               TextureProcessMode process_mode, bool depth_compare, bool is_array,
+                               std::size_t array_offset, std::size_t bias_offset,
+                               std::vector<Node>&& coords) {
+    UNIMPLEMENTED_IF_MSG(
+        (texture_type == TextureType::Texture3D && (is_array || depth_compare)) ||
+            (texture_type == TextureType::TextureCube && is_array && depth_compare),
+        "This method is not supported.");
+
+    const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, depth_compare);
+
+    const bool lod_needed = process_mode == TextureProcessMode::LZ ||
+                            process_mode == TextureProcessMode::LL ||
+                            process_mode == TextureProcessMode::LLA;
+
+    // LOD selection (either via bias or explicit textureLod) not supported in GL for
+    // sampler2DArrayShadow and samplerCubeArrayShadow.
+    const bool gl_lod_supported =
+        !((texture_type == Tegra::Shader::TextureType::Texture2D && is_array && depth_compare) ||
+          (texture_type == Tegra::Shader::TextureType::TextureCube && is_array && depth_compare));
+
+    const OperationCode read_method =
+        lod_needed && gl_lod_supported ? OperationCode::F4TextureLod : OperationCode::F4Texture;
+
+    UNIMPLEMENTED_IF(process_mode != TextureProcessMode::None && !gl_lod_supported);
+
+    std::optional<u32> array_offset_value;
+    if (is_array)
+        array_offset_value = static_cast<u32>(array_offset);
+
+    const auto coords_count = static_cast<u32>(coords.size());
+
+    if (process_mode != TextureProcessMode::None && gl_lod_supported) {
+        if (process_mode == TextureProcessMode::LZ) {
+            coords.push_back(Immediate(0.0f));
+        } else {
+            // If present, lod or bias are always stored in the register indexed by the gpr20
+            // field with an offset depending on the usage of the other registers
+            coords.push_back(GetRegister(instr.gpr20.Value() + bias_offset));
+        }
+    }
+
+    Node4 values;
+    for (u32 element = 0; element < values.size(); ++element) {
+        auto params = coords;
+        MetaTexture meta{sampler, element, coords_count, array_offset_value};
+        values[element] = Operation(read_method, std::move(meta), std::move(params));
+    }
+
+    return values;
+}
+
+Node4 ShaderIR::GetTexCode(Instruction instr, TextureType texture_type,
+                           TextureProcessMode process_mode, bool depth_compare, bool is_array) {
+    const bool lod_bias_enabled =
+        (process_mode != TextureProcessMode::None && process_mode != TextureProcessMode::LZ);
+
+    const auto [coord_count, total_coord_count] = ValidateAndGetCoordinateElement(
+        texture_type, depth_compare, is_array, lod_bias_enabled, 4, 5);
+    // If enabled arrays index is always stored in the gpr8 field
+    const u64 array_register = instr.gpr8.Value();
+    // First coordinate index is the gpr8 or gpr8 + 1 when arrays are used
+    const u64 coord_register = array_register + (is_array ? 1 : 0);
+
+    std::vector<Node> coords;
+    for (std::size_t i = 0; i < coord_count; ++i) {
+        coords.push_back(GetRegister(coord_register + i));
+    }
+    // 1D.DC in opengl the 2nd component is ignored.
+    if (depth_compare && !is_array && texture_type == TextureType::Texture1D) {
+        coords.push_back(Immediate(0.0f));
+    }
+    std::size_t array_offset{};
+    if (is_array) {
+        array_offset = coords.size();
+        coords.push_back(GetRegister(array_register));
+    }
+    if (depth_compare) {
+        // Depth is always stored in the register signaled by gpr20
+        // or in the next register if lod or bias are used
+        const u64 depth_register = instr.gpr20.Value() + (lod_bias_enabled ? 1 : 0);
+        coords.push_back(GetRegister(depth_register));
+    }
+    // Fill ignored coordinates
+    while (coords.size() < total_coord_count) {
+        coords.push_back(Immediate(0));
+    }
+
+    return GetTextureCode(instr, texture_type, process_mode, depth_compare, is_array, array_offset,
+                          0, std::move(coords));
+}
+
+Node4 ShaderIR::GetTexsCode(Instruction instr, TextureType texture_type,
+                            TextureProcessMode process_mode, bool depth_compare, bool is_array) {
+    const bool lod_bias_enabled =
+        (process_mode != TextureProcessMode::None && process_mode != TextureProcessMode::LZ);
+
+    const auto [coord_count, total_coord_count] = ValidateAndGetCoordinateElement(
+        texture_type, depth_compare, is_array, lod_bias_enabled, 4, 4);
+    // If enabled arrays index is always stored in the gpr8 field
+    const u64 array_register = instr.gpr8.Value();
+    // First coordinate index is stored in gpr8 field or (gpr8 + 1) when arrays are used
+    const u64 coord_register = array_register + (is_array ? 1 : 0);
+    const u64 last_coord_register =
+        (is_array || !(lod_bias_enabled || depth_compare) || (coord_count > 2))
+            ? static_cast<u64>(instr.gpr20.Value())
+            : coord_register + 1;
+
+    std::vector<Node> coords;
+    for (std::size_t i = 0; i < coord_count; ++i) {
+        const bool last = (i == (coord_count - 1)) && (coord_count > 1);
+        coords.push_back(GetRegister(last ? last_coord_register : coord_register + i));
+    }
+
+    std::size_t array_offset{};
+    if (is_array) {
+        array_offset = coords.size();
+        coords.push_back(GetRegister(array_register));
+    }
+    if (depth_compare) {
+        // Depth is always stored in the register signaled by gpr20
+        // or in the next register if lod or bias are used
+        const u64 depth_register = instr.gpr20.Value() + (lod_bias_enabled ? 1 : 0);
+        coords.push_back(GetRegister(depth_register));
+    }
+    // Fill ignored coordinates
+    while (coords.size() < total_coord_count) {
+        coords.push_back(Immediate(0));
+    }
+
+    return GetTextureCode(instr, texture_type, process_mode, depth_compare, is_array, array_offset,
+                          (coord_count > 2 ? 1 : 0), std::move(coords));
+}
+
+Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool depth_compare,
+                            bool is_array) {
+    const std::size_t coord_count = GetCoordCount(texture_type);
+    const std::size_t total_coord_count = coord_count + (is_array ? 1 : 0);
+    const std::size_t total_reg_count = total_coord_count + (depth_compare ? 1 : 0);
+
+    // If enabled arrays index is always stored in the gpr8 field
+    const u64 array_register = instr.gpr8.Value();
+    // First coordinate index is the gpr8 or gpr8 + 1 when arrays are used
+    const u64 coord_register = array_register + (is_array ? 1 : 0);
+
+    std::vector<Node> coords;
+
+    for (size_t i = 0; i < coord_count; ++i) {
+        coords.push_back(GetRegister(coord_register + i));
+    }
+    std::optional<u32> array_offset;
+    if (is_array) {
+        array_offset = static_cast<u32>(coords.size());
+        coords.push_back(GetRegister(array_register));
+    }
+
+    const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, depth_compare);
+
+    Node4 values;
+    for (u32 element = 0; element < values.size(); ++element) {
+        auto params = coords;
+        MetaTexture meta{sampler, element, static_cast<u32>(coords.size()), array_offset};
+        values[element] =
+            Operation(OperationCode::F4TextureGather, std::move(meta), std::move(params));
+    }
+
+    return values;
+}
+
+Node4 ShaderIR::GetTldsCode(Instruction instr, TextureType texture_type, bool is_array) {
+    const std::size_t type_coord_count = GetCoordCount(texture_type);
+    const std::size_t total_coord_count = type_coord_count + (is_array ? 1 : 0);
+    const bool lod_enabled = instr.tlds.GetTextureProcessMode() == TextureProcessMode::LL;
+
+    // If enabled arrays index is always stored in the gpr8 field
+    const u64 array_register = instr.gpr8.Value();
+    // if is array gpr20 is used
+    const u64 coord_register = is_array ? instr.gpr20.Value() : instr.gpr8.Value();
+
+    const u64 last_coord_register =
+        ((type_coord_count > 2) || (type_coord_count == 2 && !lod_enabled)) && !is_array
+            ? static_cast<u64>(instr.gpr20.Value())
+            : coord_register + 1;
+
+    std::vector<Node> coords;
+
+    for (std::size_t i = 0; i < type_coord_count; ++i) {
+        const bool last = (i == (type_coord_count - 1)) && (type_coord_count > 1);
+        coords.push_back(GetRegister(last ? last_coord_register : coord_register + i));
+    }
+    std::optional<u32> array_offset;
+    if (is_array) {
+        array_offset = static_cast<u32>(coords.size());
+        coords.push_back(GetRegister(array_register));
+    }
+    const auto coords_count = static_cast<u32>(coords.size());
+
+    if (lod_enabled) {
+        // When lod is used always is in grp20
+        coords.push_back(GetRegister(instr.gpr20));
+    } else {
+        coords.push_back(Immediate(0));
+    }
+
+    const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, false);
+
+    Node4 values;
+    for (u32 element = 0; element < values.size(); ++element) {
+        auto params = coords;
+        MetaTexture meta{sampler, element, coords_count, array_offset};
+        values[element] =
+            Operation(OperationCode::F4TexelFetch, std::move(meta), std::move(params));
+    }
+    return values;
+}
+
+std::tuple<std::size_t, std::size_t> ShaderIR::ValidateAndGetCoordinateElement(
+    TextureType texture_type, bool depth_compare, bool is_array, bool lod_bias_enabled,
+    std::size_t max_coords, std::size_t max_inputs) {
+    const std::size_t coord_count = GetCoordCount(texture_type);
+
+    std::size_t total_coord_count = coord_count + (is_array ? 1 : 0) + (depth_compare ? 1 : 0);
+    const std::size_t total_reg_count = total_coord_count + (lod_bias_enabled ? 1 : 0);
+    if (total_coord_count > max_coords || total_reg_count > max_inputs) {
+        UNIMPLEMENTED_MSG("Unsupported Texture operation");
+        total_coord_count = std::min(total_coord_count, max_coords);
+    }
+    // 1D.DC OpenGL is using a vec3 but 2nd component is ignored later.
+    total_coord_count +=
+        (depth_compare && !is_array && texture_type == TextureType::Texture1D) ? 1 : 0;
+
+    return {coord_count, total_coord_count};
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/other.cpp

@@ -0,0 +1,178 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::ConditionCode;
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+using Tegra::Shader::Register;
+
+u32 ShaderIR::DecodeOther(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    switch (opcode->get().GetId()) {
+    case OpCode::Id::EXIT: {
+        const Tegra::Shader::ConditionCode cc = instr.flow_condition_code;
+        UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T, "EXIT condition code used: {}",
+                             static_cast<u32>(cc));
+
+        switch (instr.flow.cond) {
+        case Tegra::Shader::FlowCondition::Always:
+            bb.push_back(Operation(OperationCode::Exit));
+            if (instr.pred.pred_index == static_cast<u64>(Tegra::Shader::Pred::UnusedIndex)) {
+                // If this is an unconditional exit then just end processing here,
+                // otherwise we have to account for the possibility of the condition
+                // not being met, so continue processing the next instruction.
+                pc = MAX_PROGRAM_LENGTH - 1;
+            }
+            break;
+
+        case Tegra::Shader::FlowCondition::Fcsm_Tr:
+            // TODO(bunnei): What is this used for? If we assume this conditon is not
+            // satisifed, dual vertex shaders in Farming Simulator make more sense
+            UNIMPLEMENTED_MSG("Skipping unknown FlowCondition::Fcsm_Tr");
+            break;
+
+        default:
+            UNIMPLEMENTED_MSG("Unhandled flow condition: {}",
+                              static_cast<u32>(instr.flow.cond.Value()));
+        }
+        break;
+    }
+    case OpCode::Id::KIL: {
+        UNIMPLEMENTED_IF(instr.flow.cond != Tegra::Shader::FlowCondition::Always);
+
+        const Tegra::Shader::ConditionCode cc = instr.flow_condition_code;
+        UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T, "KIL condition code used: {}",
+                             static_cast<u32>(cc));
+
+        bb.push_back(Operation(OperationCode::Discard));
+        break;
+    }
+    case OpCode::Id::MOV_SYS: {
+        switch (instr.sys20) {
+        case Tegra::Shader::SystemVariable::InvocationInfo: {
+            LOG_WARNING(HW_GPU, "MOV_SYS instruction with InvocationInfo is incomplete");
+            SetRegister(bb, instr.gpr0, Immediate(0u));
+            break;
+        }
+        case Tegra::Shader::SystemVariable::Ydirection: {
+            // Config pack's third value is Y_NEGATE's state.
+            SetRegister(bb, instr.gpr0, Operation(OperationCode::YNegate));
+            break;
+        }
+        default:
+            UNIMPLEMENTED_MSG("Unhandled system move: {}", static_cast<u32>(instr.sys20.Value()));
+        }
+        break;
+    }
+    case OpCode::Id::BRA: {
+        UNIMPLEMENTED_IF_MSG(instr.bra.constant_buffer != 0,
+                             "BRA with constant buffers are not implemented");
+
+        const u32 target = pc + instr.bra.GetBranchTarget();
+        const Node branch = Operation(OperationCode::Branch, Immediate(target));
+
+        const Tegra::Shader::ConditionCode cc = instr.flow_condition_code;
+        if (cc != Tegra::Shader::ConditionCode::T) {
+            bb.push_back(Conditional(GetConditionCode(cc), {branch}));
+        } else {
+            bb.push_back(branch);
+        }
+        break;
+    }
+    case OpCode::Id::SSY: {
+        UNIMPLEMENTED_IF_MSG(instr.bra.constant_buffer != 0,
+                             "Constant buffer flow is not supported");
+
+        // The SSY opcode tells the GPU where to re-converge divergent execution paths, it sets the
+        // target of the jump that the SYNC instruction will make. The SSY opcode has a similar
+        // structure to the BRA opcode.
+        const u32 target = pc + instr.bra.GetBranchTarget();
+        bb.push_back(Operation(OperationCode::PushFlowStack, Immediate(target)));
+        break;
+    }
+    case OpCode::Id::PBK: {
+        UNIMPLEMENTED_IF_MSG(instr.bra.constant_buffer != 0,
+                             "Constant buffer PBK is not supported");
+
+        // PBK pushes to a stack the address where BRK will jump to. This shares stack with SSY but
+        // using SYNC on a PBK address will kill the shader execution. We don't emulate this because
+        // it's very unlikely a driver will emit such invalid shader.
+        const u32 target = pc + instr.bra.GetBranchTarget();
+        bb.push_back(Operation(OperationCode::PushFlowStack, Immediate(target)));
+        break;
+    }
+    case OpCode::Id::SYNC: {
+        const Tegra::Shader::ConditionCode cc = instr.flow_condition_code;
+        UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T, "SYNC condition code used: {}",
+                             static_cast<u32>(cc));
+
+        // The SYNC opcode jumps to the address previously set by the SSY opcode
+        bb.push_back(Operation(OperationCode::PopFlowStack));
+        break;
+    }
+    case OpCode::Id::BRK: {
+        const Tegra::Shader::ConditionCode cc = instr.flow_condition_code;
+        UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T, "BRK condition code used: {}",
+                             static_cast<u32>(cc));
+
+        // The BRK opcode jumps to the address previously set by the PBK opcode
+        bb.push_back(Operation(OperationCode::PopFlowStack));
+        break;
+    }
+    case OpCode::Id::IPA: {
+        const auto& attribute = instr.attribute.fmt28;
+        const Tegra::Shader::IpaMode input_mode{instr.ipa.interp_mode.Value(),
+                                                instr.ipa.sample_mode.Value()};
+
+        const Node attr = GetInputAttribute(attribute.index, attribute.element, input_mode);
+        const Node value = GetSaturatedFloat(attr, instr.ipa.saturate);
+
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::OUT_R: {
+        UNIMPLEMENTED_IF_MSG(instr.gpr20.Value() != Register::ZeroIndex,
+                             "Stream buffer is not supported");
+
+        if (instr.out.emit) {
+            // gpr0 is used to store the next address and gpr8 contains the address to emit.
+            // Hardware uses pointers here but we just ignore it
+            bb.push_back(Operation(OperationCode::EmitVertex));
+            SetRegister(bb, instr.gpr0, Immediate(0));
+        }
+        if (instr.out.cut) {
+            bb.push_back(Operation(OperationCode::EndPrimitive));
+        }
+        break;
+    }
+    case OpCode::Id::ISBERD: {
+        UNIMPLEMENTED_IF(instr.isberd.o != 0);
+        UNIMPLEMENTED_IF(instr.isberd.skew != 0);
+        UNIMPLEMENTED_IF(instr.isberd.shift != Tegra::Shader::IsberdShift::None);
+        UNIMPLEMENTED_IF(instr.isberd.mode != Tegra::Shader::IsberdMode::None);
+        LOG_WARNING(HW_GPU, "ISBERD instruction is incomplete");
+        SetRegister(bb, instr.gpr0, GetRegister(instr.gpr8));
+        break;
+    }
+    case OpCode::Id::DEPBAR: {
+        LOG_WARNING(HW_GPU, "DEPBAR instruction is stubbed");
+        break;
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unhandled instruction: {}", opcode->get().GetName());
+    }
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/predicate_set_predicate.cpp

@@ -0,0 +1,67 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+using Tegra::Shader::Pred;
+
+u32 ShaderIR::DecodePredicateSetPredicate(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    switch (opcode->get().GetId()) {
+    case OpCode::Id::PSETP: {
+        const Node op_a = GetPredicate(instr.psetp.pred12, instr.psetp.neg_pred12 != 0);
+        const Node op_b = GetPredicate(instr.psetp.pred29, instr.psetp.neg_pred29 != 0);
+
+        // We can't use the constant predicate as destination.
+        ASSERT(instr.psetp.pred3 != static_cast<u64>(Pred::UnusedIndex));
+
+        const Node second_pred = GetPredicate(instr.psetp.pred39, instr.psetp.neg_pred39 != 0);
+
+        const OperationCode combiner = GetPredicateCombiner(instr.psetp.op);
+        const Node predicate = Operation(combiner, op_a, op_b);
+
+        // Set the primary predicate to the result of Predicate OP SecondPredicate
+        SetPredicate(bb, instr.psetp.pred3, Operation(combiner, predicate, second_pred));
+
+        if (instr.psetp.pred0 != static_cast<u64>(Pred::UnusedIndex)) {
+            // Set the secondary predicate to the result of !Predicate OP SecondPredicate, if
+            // enabled
+            SetPredicate(bb, instr.psetp.pred0,
+                         Operation(combiner, Operation(OperationCode::LogicalNegate, predicate),
+                                   second_pred));
+        }
+        break;
+    }
+    case OpCode::Id::CSETP: {
+        const Node pred = GetPredicate(instr.csetp.pred39, instr.csetp.neg_pred39 != 0);
+        const Node condition_code = GetConditionCode(instr.csetp.cc);
+
+        const OperationCode combiner = GetPredicateCombiner(instr.csetp.op);
+
+        if (instr.csetp.pred3 != static_cast<u64>(Pred::UnusedIndex)) {
+            SetPredicate(bb, instr.csetp.pred3, Operation(combiner, condition_code, pred));
+        }
+        if (instr.csetp.pred0 != static_cast<u64>(Pred::UnusedIndex)) {
+            const Node neg_cc = Operation(OperationCode::LogicalNegate, condition_code);
+            SetPredicate(bb, instr.csetp.pred0, Operation(combiner, neg_cc, pred));
+        }
+        break;
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unhandled predicate instruction: {}", opcode->get().GetName());
+    }
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/predicate_set_register.cpp

@@ -0,0 +1,46 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodePredicateSetRegister(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    UNIMPLEMENTED_IF_MSG(instr.generates_cc,
+                         "Condition codes generation in PSET is not implemented");
+
+    const Node op_a = GetPredicate(instr.pset.pred12, instr.pset.neg_pred12 != 0);
+    const Node op_b = GetPredicate(instr.pset.pred29, instr.pset.neg_pred29 != 0);
+    const Node first_pred = Operation(GetPredicateCombiner(instr.pset.cond), op_a, op_b);
+
+    const Node second_pred = GetPredicate(instr.pset.pred39, instr.pset.neg_pred39 != 0);
+
+    const OperationCode combiner = GetPredicateCombiner(instr.pset.op);
+    const Node predicate = Operation(combiner, first_pred, second_pred);
+
+    const Node true_value = instr.pset.bf ? Immediate(1.0f) : Immediate(0xffffffff);
+    const Node false_value = instr.pset.bf ? Immediate(0.0f) : Immediate(0);
+    const Node value =
+        Operation(OperationCode::Select, PRECISE, predicate, true_value, false_value);
+
+    if (instr.pset.bf) {
+        SetInternalFlagsFromFloat(bb, value, instr.generates_cc);
+    } else {
+        SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
+    }
+    SetRegister(bb, instr.gpr0, value);
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/register_set_predicate.cpp

@@ -0,0 +1,51 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodeRegisterSetPredicate(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    UNIMPLEMENTED_IF(instr.r2p.mode != Tegra::Shader::R2pMode::Pr);
+
+    const Node apply_mask = [&]() {
+        switch (opcode->get().GetId()) {
+        case OpCode::Id::R2P_IMM:
+            return Immediate(static_cast<u32>(instr.r2p.immediate_mask));
+        default:
+            UNREACHABLE();
+            return Immediate(static_cast<u32>(instr.r2p.immediate_mask));
+        }
+    }();
+    const Node mask = GetRegister(instr.gpr8);
+    const auto offset = static_cast<u32>(instr.r2p.byte) * 8;
+
+    constexpr u32 programmable_preds = 7;
+    for (u64 pred = 0; pred < programmable_preds; ++pred) {
+        const auto shift = static_cast<u32>(pred);
+
+        const Node apply_compare = BitfieldExtract(apply_mask, shift, 1);
+        const Node condition =
+            Operation(OperationCode::LogicalUNotEqual, apply_compare, Immediate(0));
+
+        const Node value_compare = BitfieldExtract(mask, offset + shift, 1);
+        const Node value = Operation(OperationCode::LogicalUNotEqual, value_compare, Immediate(0));
+
+        const Node code = Operation(OperationCode::LogicalAssign, GetPredicate(pred), value);
+        bb.push_back(Conditional(condition, {code}));
+    }
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/shift.cpp

@@ -0,0 +1,55 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodeShift(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    const Node op_a = GetRegister(instr.gpr8);
+    const Node op_b = [&]() {
+        if (instr.is_b_imm) {
+            return Immediate(instr.alu.GetSignedImm20_20());
+        } else if (instr.is_b_gpr) {
+            return GetRegister(instr.gpr20);
+        } else {
+            return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
+        }
+    }();
+
+    switch (opcode->get().GetId()) {
+    case OpCode::Id::SHR_C:
+    case OpCode::Id::SHR_R:
+    case OpCode::Id::SHR_IMM: {
+        const Node value = SignedOperation(OperationCode::IArithmeticShiftRight,
+                                           instr.shift.is_signed, PRECISE, op_a, op_b);
+        SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::SHL_C:
+    case OpCode::Id::SHL_R:
+    case OpCode::Id::SHL_IMM: {
+        const Node value = Operation(OperationCode::ILogicalShiftLeft, PRECISE, op_a, op_b);
+        SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unhandled shift instruction: {}", opcode->get().GetName());
+    }
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/video.cpp

@@ -0,0 +1,111 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+using Tegra::Shader::Pred;
+using Tegra::Shader::VideoType;
+using Tegra::Shader::VmadShr;
+
+u32 ShaderIR::DecodeVideo(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    const Node op_a =
+        GetVideoOperand(GetRegister(instr.gpr8), instr.video.is_byte_chunk_a, instr.video.signed_a,
+                        instr.video.type_a, instr.video.byte_height_a);
+    const Node op_b = [&]() {
+        if (instr.video.use_register_b) {
+            return GetVideoOperand(GetRegister(instr.gpr20), instr.video.is_byte_chunk_b,
+                                   instr.video.signed_b, instr.video.type_b,
+                                   instr.video.byte_height_b);
+        }
+        if (instr.video.signed_b) {
+            const auto imm = static_cast<s16>(instr.alu.GetImm20_16());
+            return Immediate(static_cast<u32>(imm));
+        } else {
+            return Immediate(instr.alu.GetImm20_16());
+        }
+    }();
+
+    switch (opcode->get().GetId()) {
+    case OpCode::Id::VMAD: {
+        const bool result_signed = instr.video.signed_a == 1 || instr.video.signed_b == 1;
+        const Node op_c = GetRegister(instr.gpr39);
+
+        Node value = SignedOperation(OperationCode::IMul, result_signed, NO_PRECISE, op_a, op_b);
+        value = SignedOperation(OperationCode::IAdd, result_signed, NO_PRECISE, value, op_c);
+
+        if (instr.vmad.shr == VmadShr::Shr7 || instr.vmad.shr == VmadShr::Shr15) {
+            const Node shift = Immediate(instr.vmad.shr == VmadShr::Shr7 ? 7 : 15);
+            value =
+                SignedOperation(OperationCode::IArithmeticShiftRight, result_signed, value, shift);
+        }
+
+        SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
+        SetRegister(bb, instr.gpr0, value);
+        break;
+    }
+    case OpCode::Id::VSETP: {
+        // We can't use the constant predicate as destination.
+        ASSERT(instr.vsetp.pred3 != static_cast<u64>(Pred::UnusedIndex));
+
+        const bool sign = instr.video.signed_a == 1 || instr.video.signed_b == 1;
+        const Node first_pred = GetPredicateComparisonInteger(instr.vsetp.cond, sign, op_a, op_b);
+        const Node second_pred = GetPredicate(instr.vsetp.pred39, false);
+
+        const OperationCode combiner = GetPredicateCombiner(instr.vsetp.op);
+
+        // Set the primary predicate to the result of Predicate OP SecondPredicate
+        SetPredicate(bb, instr.vsetp.pred3, Operation(combiner, first_pred, second_pred));
+
+        if (instr.vsetp.pred0 != static_cast<u64>(Pred::UnusedIndex)) {
+            // Set the secondary predicate to the result of !Predicate OP SecondPredicate,
+            // if enabled
+            const Node negate_pred = Operation(OperationCode::LogicalNegate, first_pred);
+            SetPredicate(bb, instr.vsetp.pred0, Operation(combiner, negate_pred, second_pred));
+        }
+        break;
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unhandled video instruction: {}", opcode->get().GetName());
+    }
+
+    return pc;
+}
+
+Node ShaderIR::GetVideoOperand(Node op, bool is_chunk, bool is_signed,
+                               Tegra::Shader::VideoType type, u64 byte_height) {
+    if (!is_chunk) {
+        return BitfieldExtract(op, static_cast<u32>(byte_height * 8), 8);
+    }
+    const Node zero = Immediate(0);
+
+    switch (type) {
+    case Tegra::Shader::VideoType::Size16_Low:
+        return BitfieldExtract(op, 0, 16);
+    case Tegra::Shader::VideoType::Size16_High:
+        return BitfieldExtract(op, 16, 16);
+    case Tegra::Shader::VideoType::Size32:
+        // TODO(Rodrigo): From my hardware tests it becomes a bit "mad" when this type is used
+        // (1 * 1 + 0 == 0x5b800000). Until a better explanation is found: abort.
+        UNIMPLEMENTED();
+        return zero;
+    case Tegra::Shader::VideoType::Invalid:
+        UNREACHABLE_MSG("Invalid instruction encoding");
+        return zero;
+    default:
+        UNREACHABLE();
+        return zero;
+    }
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/decode/xmad.cpp

@@ -0,0 +1,97 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Instruction;
+using Tegra::Shader::OpCode;
+
+u32 ShaderIR::DecodeXmad(BasicBlock& bb, const BasicBlock& code, u32 pc) {
+    const Instruction instr = {program_code[pc]};
+    const auto opcode = OpCode::Decode(instr);
+
+    UNIMPLEMENTED_IF(instr.xmad.sign_a);
+    UNIMPLEMENTED_IF(instr.xmad.sign_b);
+    UNIMPLEMENTED_IF_MSG(instr.generates_cc,
+                         "Condition codes generation in XMAD is not implemented");
+
+    Node op_a = GetRegister(instr.gpr8);
+
+    // TODO(bunnei): Needs to be fixed once op_a or op_b is signed
+    UNIMPLEMENTED_IF(instr.xmad.sign_a != instr.xmad.sign_b);
+    const bool is_signed_a = instr.xmad.sign_a == 1;
+    const bool is_signed_b = instr.xmad.sign_b == 1;
+    const bool is_signed_c = is_signed_a;
+
+    auto [is_merge, op_b, op_c] = [&]() -> std::tuple<bool, Node, Node> {
+        switch (opcode->get().GetId()) {
+        case OpCode::Id::XMAD_CR:
+            return {instr.xmad.merge_56, GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset),
+                    GetRegister(instr.gpr39)};
+        case OpCode::Id::XMAD_RR:
+            return {instr.xmad.merge_37, GetRegister(instr.gpr20), GetRegister(instr.gpr39)};
+        case OpCode::Id::XMAD_RC:
+            return {false, GetRegister(instr.gpr39),
+                    GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset)};
+        case OpCode::Id::XMAD_IMM:
+            return {instr.xmad.merge_37, Immediate(static_cast<u32>(instr.xmad.imm20_16)),
+                    GetRegister(instr.gpr39)};
+        }
+        UNIMPLEMENTED_MSG("Unhandled XMAD instruction: {}", opcode->get().GetName());
+        return {false, Immediate(0), Immediate(0)};
+    }();
+
+    op_a = BitfieldExtract(op_a, instr.xmad.high_a ? 16 : 0, 16);
+
+    const Node original_b = op_b;
+    op_b = BitfieldExtract(op_b, instr.xmad.high_b ? 16 : 0, 16);
+
+    // TODO(Rodrigo): Use an appropiate sign for this operation
+    Node product = Operation(OperationCode::IMul, NO_PRECISE, op_a, op_b);
+    if (instr.xmad.product_shift_left) {
+        product = Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, product, Immediate(16));
+    }
+
+    const Node original_c = op_c;
+    op_c = [&]() {
+        switch (instr.xmad.mode) {
+        case Tegra::Shader::XmadMode::None:
+            return original_c;
+        case Tegra::Shader::XmadMode::CLo:
+            return BitfieldExtract(original_c, 0, 16);
+        case Tegra::Shader::XmadMode::CHi:
+            return BitfieldExtract(original_c, 16, 16);
+        case Tegra::Shader::XmadMode::CBcc: {
+            const Node shifted_b = SignedOperation(OperationCode::ILogicalShiftLeft, is_signed_b,
+                                                   NO_PRECISE, original_b, Immediate(16));
+            return SignedOperation(OperationCode::IAdd, is_signed_c, NO_PRECISE, original_c,
+                                   shifted_b);
+        }
+        default:
+            UNIMPLEMENTED_MSG("Unhandled XMAD mode: {}", static_cast<u32>(instr.xmad.mode.Value()));
+            return Immediate(0);
+        }
+    }();
+
+    // TODO(Rodrigo): Use an appropiate sign for this operation
+    Node sum = Operation(OperationCode::IAdd, product, op_c);
+    if (is_merge) {
+        const Node a = BitfieldExtract(sum, 0, 16);
+        const Node b =
+            Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, original_b, Immediate(16));
+        sum = Operation(OperationCode::IBitwiseOr, NO_PRECISE, a, b);
+    }
+
+    SetInternalFlagsFromInteger(bb, sum, instr.generates_cc);
+    SetRegister(bb, instr.gpr0, sum);
+
+    return pc;
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/shader_ir.cpp

@@ -0,0 +1,444 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cmath>
+#include <unordered_map>
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "common/logging/log.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Shader::Attribute;
+using Tegra::Shader::Instruction;
+using Tegra::Shader::IpaMode;
+using Tegra::Shader::Pred;
+using Tegra::Shader::PredCondition;
+using Tegra::Shader::PredOperation;
+using Tegra::Shader::Register;
+
+Node ShaderIR::StoreNode(NodeData&& node_data) {
+    auto store = std::make_unique<NodeData>(node_data);
+    const Node node = store.get();
+    stored_nodes.push_back(std::move(store));
+    return node;
+}
+
+Node ShaderIR::Conditional(Node condition, std::vector<Node>&& code) {
+    return StoreNode(ConditionalNode(condition, std::move(code)));
+}
+
+Node ShaderIR::Comment(const std::string& text) {
+    return StoreNode(CommentNode(text));
+}
+
+Node ShaderIR::Immediate(u32 value) {
+    return StoreNode(ImmediateNode(value));
+}
+
+Node ShaderIR::GetRegister(Register reg) {
+    if (reg != Register::ZeroIndex) {
+        used_registers.insert(static_cast<u32>(reg));
+    }
+    return StoreNode(GprNode(reg));
+}
+
+Node ShaderIR::GetImmediate19(Instruction instr) {
+    return Immediate(instr.alu.GetImm20_19());
+}
+
+Node ShaderIR::GetImmediate32(Instruction instr) {
+    return Immediate(instr.alu.GetImm20_32());
+}
+
+Node ShaderIR::GetConstBuffer(u64 index_, u64 offset_) {
+    const auto index = static_cast<u32>(index_);
+    const auto offset = static_cast<u32>(offset_);
+
+    const auto [entry, is_new] = used_cbufs.try_emplace(index);
+    entry->second.MarkAsUsed(offset);
+
+    return StoreNode(CbufNode(index, Immediate(offset)));
+}
+
+Node ShaderIR::GetConstBufferIndirect(u64 index_, u64 offset_, Node node) {
+    const auto index = static_cast<u32>(index_);
+    const auto offset = static_cast<u32>(offset_);
+
+    const auto [entry, is_new] = used_cbufs.try_emplace(index);
+    entry->second.MarkAsUsedIndirect();
+
+    const Node final_offset = Operation(OperationCode::UAdd, NO_PRECISE, node, Immediate(offset));
+    return StoreNode(CbufNode(index, final_offset));
+}
+
+Node ShaderIR::GetPredicate(u64 pred_, bool negated) {
+    const auto pred = static_cast<Pred>(pred_);
+    if (pred != Pred::UnusedIndex && pred != Pred::NeverExecute) {
+        used_predicates.insert(pred);
+    }
+
+    return StoreNode(PredicateNode(pred, negated));
+}
+
+Node ShaderIR::GetPredicate(bool immediate) {
+    return GetPredicate(static_cast<u64>(immediate ? Pred::UnusedIndex : Pred::NeverExecute));
+}
+
+Node ShaderIR::GetInputAttribute(Attribute::Index index, u64 element,
+                                 const Tegra::Shader::IpaMode& input_mode, Node buffer) {
+    const auto [entry, is_new] =
+        used_input_attributes.emplace(std::make_pair(index, std::set<Tegra::Shader::IpaMode>{}));
+    entry->second.insert(input_mode);
+
+    return StoreNode(AbufNode(index, static_cast<u32>(element), input_mode, buffer));
+}
+
+Node ShaderIR::GetOutputAttribute(Attribute::Index index, u64 element, Node buffer) {
+    if (index == Attribute::Index::ClipDistances0123 ||
+        index == Attribute::Index::ClipDistances4567) {
+        const auto clip_index =
+            static_cast<u32>((index == Attribute::Index::ClipDistances4567 ? 1 : 0) + element);
+        used_clip_distances.at(clip_index) = true;
+    }
+    used_output_attributes.insert(index);
+
+    return StoreNode(AbufNode(index, static_cast<u32>(element), buffer));
+}
+
+Node ShaderIR::GetInternalFlag(InternalFlag flag, bool negated) {
+    const Node node = StoreNode(InternalFlagNode(flag));
+    if (negated) {
+        return Operation(OperationCode::LogicalNegate, node);
+    }
+    return node;
+}
+
+Node ShaderIR::GetLocalMemory(Node address) {
+    return StoreNode(LmemNode(address));
+}
+
+Node ShaderIR::GetTemporal(u32 id) {
+    return GetRegister(Register::ZeroIndex + 1 + id);
+}
+
+Node ShaderIR::GetOperandAbsNegFloat(Node value, bool absolute, bool negate) {
+    if (absolute) {
+        value = Operation(OperationCode::FAbsolute, NO_PRECISE, value);
+    }
+    if (negate) {
+        value = Operation(OperationCode::FNegate, NO_PRECISE, value);
+    }
+    return value;
+}
+
+Node ShaderIR::GetSaturatedFloat(Node value, bool saturate) {
+    if (!saturate) {
+        return value;
+    }
+    const Node positive_zero = Immediate(std::copysignf(0, 1));
+    const Node positive_one = Immediate(1.0f);
+    return Operation(OperationCode::FClamp, NO_PRECISE, value, positive_zero, positive_one);
+}
+
+Node ShaderIR::ConvertIntegerSize(Node value, Tegra::Shader::Register::Size size, bool is_signed) {
+    switch (size) {
+    case Register::Size::Byte:
+        value = SignedOperation(OperationCode::ILogicalShiftLeft, is_signed, NO_PRECISE, value,
+                                Immediate(24));
+        value = SignedOperation(OperationCode::IArithmeticShiftRight, is_signed, NO_PRECISE, value,
+                                Immediate(24));
+        return value;
+    case Register::Size::Short:
+        value = SignedOperation(OperationCode::ILogicalShiftLeft, is_signed, NO_PRECISE, value,
+                                Immediate(16));
+        value = SignedOperation(OperationCode::IArithmeticShiftRight, is_signed, NO_PRECISE, value,
+                                Immediate(16));
+    case Register::Size::Word:
+        // Default - do nothing
+        return value;
+    default:
+        UNREACHABLE_MSG("Unimplemented conversion size: {}", static_cast<u32>(size));
+        return value;
+    }
+}
+
+Node ShaderIR::GetOperandAbsNegInteger(Node value, bool absolute, bool negate, bool is_signed) {
+    if (!is_signed) {
+        // Absolute or negate on an unsigned is pointless
+        return value;
+    }
+    if (absolute) {
+        value = Operation(OperationCode::IAbsolute, NO_PRECISE, value);
+    }
+    if (negate) {
+        value = Operation(OperationCode::INegate, NO_PRECISE, value);
+    }
+    return value;
+}
+
+Node ShaderIR::UnpackHalfImmediate(Instruction instr, bool has_negation) {
+    const Node value = Immediate(instr.half_imm.PackImmediates());
+    if (!has_negation) {
+        return value;
+    }
+    const Node first_negate = GetPredicate(instr.half_imm.first_negate != 0);
+    const Node second_negate = GetPredicate(instr.half_imm.second_negate != 0);
+
+    return Operation(OperationCode::HNegate, HALF_NO_PRECISE, value, first_negate, second_negate);
+}
+
+Node ShaderIR::HalfMerge(Node dest, Node src, Tegra::Shader::HalfMerge merge) {
+    switch (merge) {
+    case Tegra::Shader::HalfMerge::H0_H1:
+        return src;
+    case Tegra::Shader::HalfMerge::F32:
+        return Operation(OperationCode::HMergeF32, src);
+    case Tegra::Shader::HalfMerge::Mrg_H0:
+        return Operation(OperationCode::HMergeH0, dest, src);
+    case Tegra::Shader::HalfMerge::Mrg_H1:
+        return Operation(OperationCode::HMergeH1, dest, src);
+    }
+    UNREACHABLE();
+    return src;
+}
+
+Node ShaderIR::GetOperandAbsNegHalf(Node value, bool absolute, bool negate) {
+    if (absolute) {
+        value = Operation(OperationCode::HAbsolute, HALF_NO_PRECISE, value);
+    }
+    if (negate) {
+        value = Operation(OperationCode::HNegate, HALF_NO_PRECISE, value, GetPredicate(true),
+                          GetPredicate(true));
+    }
+    return value;
+}
+
+Node ShaderIR::GetPredicateComparisonFloat(PredCondition condition, Node op_a, Node op_b) {
+    static const std::unordered_map<PredCondition, OperationCode> PredicateComparisonTable = {
+        {PredCondition::LessThan, OperationCode::LogicalFLessThan},
+        {PredCondition::Equal, OperationCode::LogicalFEqual},
+        {PredCondition::LessEqual, OperationCode::LogicalFLessEqual},
+        {PredCondition::GreaterThan, OperationCode::LogicalFGreaterThan},
+        {PredCondition::NotEqual, OperationCode::LogicalFNotEqual},
+        {PredCondition::GreaterEqual, OperationCode::LogicalFGreaterEqual},
+        {PredCondition::LessThanWithNan, OperationCode::LogicalFLessThan},
+        {PredCondition::NotEqualWithNan, OperationCode::LogicalFNotEqual},
+        {PredCondition::LessEqualWithNan, OperationCode::LogicalFLessEqual},
+        {PredCondition::GreaterThanWithNan, OperationCode::LogicalFGreaterThan},
+        {PredCondition::GreaterEqualWithNan, OperationCode::LogicalFGreaterEqual}};
+
+    const auto comparison{PredicateComparisonTable.find(condition)};
+    UNIMPLEMENTED_IF_MSG(comparison == PredicateComparisonTable.end(),
+                         "Unknown predicate comparison operation");
+
+    Node predicate = Operation(comparison->second, NO_PRECISE, op_a, op_b);
+
+    if (condition == PredCondition::LessThanWithNan ||
+        condition == PredCondition::NotEqualWithNan ||
+        condition == PredCondition::LessEqualWithNan ||
+        condition == PredCondition::GreaterThanWithNan ||
+        condition == PredCondition::GreaterEqualWithNan) {
+
+        predicate = Operation(OperationCode::LogicalOr, predicate,
+                              Operation(OperationCode::LogicalFIsNan, op_a));
+        predicate = Operation(OperationCode::LogicalOr, predicate,
+                              Operation(OperationCode::LogicalFIsNan, op_b));
+    }
+
+    return predicate;
+}
+
+Node ShaderIR::GetPredicateComparisonInteger(PredCondition condition, bool is_signed, Node op_a,
+                                             Node op_b) {
+    static const std::unordered_map<PredCondition, OperationCode> PredicateComparisonTable = {
+        {PredCondition::LessThan, OperationCode::LogicalILessThan},
+        {PredCondition::Equal, OperationCode::LogicalIEqual},
+        {PredCondition::LessEqual, OperationCode::LogicalILessEqual},
+        {PredCondition::GreaterThan, OperationCode::LogicalIGreaterThan},
+        {PredCondition::NotEqual, OperationCode::LogicalINotEqual},
+        {PredCondition::GreaterEqual, OperationCode::LogicalIGreaterEqual},
+        {PredCondition::LessThanWithNan, OperationCode::LogicalILessThan},
+        {PredCondition::NotEqualWithNan, OperationCode::LogicalINotEqual},
+        {PredCondition::LessEqualWithNan, OperationCode::LogicalILessEqual},
+        {PredCondition::GreaterThanWithNan, OperationCode::LogicalIGreaterThan},
+        {PredCondition::GreaterEqualWithNan, OperationCode::LogicalIGreaterEqual}};
+
+    const auto comparison{PredicateComparisonTable.find(condition)};
+    UNIMPLEMENTED_IF_MSG(comparison == PredicateComparisonTable.end(),
+                         "Unknown predicate comparison operation");
+
+    Node predicate = SignedOperation(comparison->second, is_signed, NO_PRECISE, op_a, op_b);
+
+    UNIMPLEMENTED_IF_MSG(condition == PredCondition::LessThanWithNan ||
+                             condition == PredCondition::NotEqualWithNan ||
+                             condition == PredCondition::LessEqualWithNan ||
+                             condition == PredCondition::GreaterThanWithNan ||
+                             condition == PredCondition::GreaterEqualWithNan,
+                         "NaN comparisons for integers are not implemented");
+    return predicate;
+}
+
+Node ShaderIR::GetPredicateComparisonHalf(Tegra::Shader::PredCondition condition,
+                                          const MetaHalfArithmetic& meta, Node op_a, Node op_b) {
+
+    UNIMPLEMENTED_IF_MSG(condition == PredCondition::LessThanWithNan ||
+                             condition == PredCondition::NotEqualWithNan ||
+                             condition == PredCondition::LessEqualWithNan ||
+                             condition == PredCondition::GreaterThanWithNan ||
+                             condition == PredCondition::GreaterEqualWithNan,
+                         "Unimplemented NaN comparison for half floats");
+
+    static const std::unordered_map<PredCondition, OperationCode> PredicateComparisonTable = {
+        {PredCondition::LessThan, OperationCode::Logical2HLessThan},
+        {PredCondition::Equal, OperationCode::Logical2HEqual},
+        {PredCondition::LessEqual, OperationCode::Logical2HLessEqual},
+        {PredCondition::GreaterThan, OperationCode::Logical2HGreaterThan},
+        {PredCondition::NotEqual, OperationCode::Logical2HNotEqual},
+        {PredCondition::GreaterEqual, OperationCode::Logical2HGreaterEqual},
+        {PredCondition::LessThanWithNan, OperationCode::Logical2HLessThan},
+        {PredCondition::NotEqualWithNan, OperationCode::Logical2HNotEqual},
+        {PredCondition::LessEqualWithNan, OperationCode::Logical2HLessEqual},
+        {PredCondition::GreaterThanWithNan, OperationCode::Logical2HGreaterThan},
+        {PredCondition::GreaterEqualWithNan, OperationCode::Logical2HGreaterEqual}};
+
+    const auto comparison{PredicateComparisonTable.find(condition)};
+    UNIMPLEMENTED_IF_MSG(comparison == PredicateComparisonTable.end(),
+                         "Unknown predicate comparison operation");
+
+    const Node predicate = Operation(comparison->second, meta, op_a, op_b);
+
+    return predicate;
+}
+
+OperationCode ShaderIR::GetPredicateCombiner(PredOperation operation) {
+    static const std::unordered_map<PredOperation, OperationCode> PredicateOperationTable = {
+        {PredOperation::And, OperationCode::LogicalAnd},
+        {PredOperation::Or, OperationCode::LogicalOr},
+        {PredOperation::Xor, OperationCode::LogicalXor},
+    };
+
+    const auto op = PredicateOperationTable.find(operation);
+    UNIMPLEMENTED_IF_MSG(op == PredicateOperationTable.end(), "Unknown predicate operation");
+    return op->second;
+}
+
+Node ShaderIR::GetConditionCode(Tegra::Shader::ConditionCode cc) {
+    switch (cc) {
+    case Tegra::Shader::ConditionCode::NEU:
+        return GetInternalFlag(InternalFlag::Zero, true);
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented condition code: {}", static_cast<u32>(cc));
+        return GetPredicate(static_cast<u64>(Pred::NeverExecute));
+    }
+}
+
+void ShaderIR::SetRegister(BasicBlock& bb, Register dest, Node src) {
+    bb.push_back(Operation(OperationCode::Assign, GetRegister(dest), src));
+}
+
+void ShaderIR::SetPredicate(BasicBlock& bb, u64 dest, Node src) {
+    bb.push_back(Operation(OperationCode::LogicalAssign, GetPredicate(dest), src));
+}
+
+void ShaderIR::SetInternalFlag(BasicBlock& bb, InternalFlag flag, Node value) {
+    bb.push_back(Operation(OperationCode::LogicalAssign, GetInternalFlag(flag), value));
+}
+
+void ShaderIR::SetLocalMemory(BasicBlock& bb, Node address, Node value) {
+    bb.push_back(Operation(OperationCode::Assign, GetLocalMemory(address), value));
+}
+
+void ShaderIR::SetTemporal(BasicBlock& bb, u32 id, Node value) {
+    SetRegister(bb, Register::ZeroIndex + 1 + id, value);
+}
+
+void ShaderIR::SetInternalFlagsFromFloat(BasicBlock& bb, Node value, bool sets_cc) {
+    if (!sets_cc) {
+        return;
+    }
+    const Node zerop = Operation(OperationCode::LogicalFEqual, value, Immediate(0.0f));
+    SetInternalFlag(bb, InternalFlag::Zero, zerop);
+    LOG_WARNING(HW_GPU, "Condition codes implementation is incomplete");
+}
+
+void ShaderIR::SetInternalFlagsFromInteger(BasicBlock& bb, Node value, bool sets_cc) {
+    if (!sets_cc) {
+        return;
+    }
+    const Node zerop = Operation(OperationCode::LogicalIEqual, value, Immediate(0));
+    SetInternalFlag(bb, InternalFlag::Zero, zerop);
+    LOG_WARNING(HW_GPU, "Condition codes implementation is incomplete");
+}
+
+Node ShaderIR::BitfieldExtract(Node value, u32 offset, u32 bits) {
+    return Operation(OperationCode::UBitfieldExtract, NO_PRECISE, value, Immediate(offset),
+                     Immediate(bits));
+}
+
+/*static*/ OperationCode ShaderIR::SignedToUnsignedCode(OperationCode operation_code,
+                                                        bool is_signed) {
+    if (is_signed) {
+        return operation_code;
+    }
+    switch (operation_code) {
+    case OperationCode::FCastInteger:
+        return OperationCode::FCastUInteger;
+    case OperationCode::IAdd:
+        return OperationCode::UAdd;
+    case OperationCode::IMul:
+        return OperationCode::UMul;
+    case OperationCode::IDiv:
+        return OperationCode::UDiv;
+    case OperationCode::IMin:
+        return OperationCode::UMin;
+    case OperationCode::IMax:
+        return OperationCode::UMax;
+    case OperationCode::ICastFloat:
+        return OperationCode::UCastFloat;
+    case OperationCode::ICastUnsigned:
+        return OperationCode::UCastSigned;
+    case OperationCode::ILogicalShiftLeft:
+        return OperationCode::ULogicalShiftLeft;
+    case OperationCode::ILogicalShiftRight:
+        return OperationCode::ULogicalShiftRight;
+    case OperationCode::IArithmeticShiftRight:
+        return OperationCode::UArithmeticShiftRight;
+    case OperationCode::IBitwiseAnd:
+        return OperationCode::UBitwiseAnd;
+    case OperationCode::IBitwiseOr:
+        return OperationCode::UBitwiseOr;
+    case OperationCode::IBitwiseXor:
+        return OperationCode::UBitwiseXor;
+    case OperationCode::IBitwiseNot:
+        return OperationCode::UBitwiseNot;
+    case OperationCode::IBitfieldInsert:
+        return OperationCode::UBitfieldInsert;
+    case OperationCode::IBitCount:
+        return OperationCode::UBitCount;
+    case OperationCode::LogicalILessThan:
+        return OperationCode::LogicalULessThan;
+    case OperationCode::LogicalIEqual:
+        return OperationCode::LogicalUEqual;
+    case OperationCode::LogicalILessEqual:
+        return OperationCode::LogicalULessEqual;
+    case OperationCode::LogicalIGreaterThan:
+        return OperationCode::LogicalUGreaterThan;
+    case OperationCode::LogicalINotEqual:
+        return OperationCode::LogicalUNotEqual;
+    case OperationCode::LogicalIGreaterEqual:
+        return OperationCode::LogicalUGreaterEqual;
+    case OperationCode::INegate:
+        UNREACHABLE_MSG("Can't negate an unsigned integer");
+    case OperationCode::IAbsolute:
+        UNREACHABLE_MSG("Can't apply absolute to an unsigned integer");
+    }
+    UNREACHABLE_MSG("Unknown signed operation with code={}", static_cast<u32>(operation_code));
+    return {};
+}
+
+} // namespace VideoCommon::Shader

src/video_core/shader/shader_ir.h

@@ -0,0 +1,793 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <cstring>
+#include <map>
+#include <set>
+#include <string>
+#include <tuple>
+#include <variant>
+#include <vector>
+
+#include "common/common_types.h"
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/engines/shader_header.h"
+
+namespace VideoCommon::Shader {
+
+class OperationNode;
+class ConditionalNode;
+class GprNode;
+class ImmediateNode;
+class InternalFlagNode;
+class PredicateNode;
+class AbufNode; ///< Attribute buffer
+class CbufNode; ///< Constant buffer
+class LmemNode; ///< Local memory
+class GmemNode; ///< Global memory
+class CommentNode;
+
+using ProgramCode = std::vector<u64>;
+
+using NodeData =
+    std::variant<OperationNode, ConditionalNode, GprNode, ImmediateNode, InternalFlagNode,
+                 PredicateNode, AbufNode, CbufNode, LmemNode, GmemNode, CommentNode>;
+using Node = const NodeData*;
+using Node4 = std::array<Node, 4>;
+using BasicBlock = std::vector<Node>;
+
+constexpr u32 MAX_PROGRAM_LENGTH = 0x1000;
+
+enum class OperationCode {
+    Assign, /// (float& dest, float src) -> void
+
+    Select, /// (MetaArithmetic, bool pred, float a, float b) -> float
+
+    FAdd,          /// (MetaArithmetic, float a, float b) -> float
+    FMul,          /// (MetaArithmetic, float a, float b) -> float
+    FDiv,          /// (MetaArithmetic, float a, float b) -> float
+    FFma,          /// (MetaArithmetic, float a, float b, float c) -> float
+    FNegate,       /// (MetaArithmetic, float a) -> float
+    FAbsolute,     /// (MetaArithmetic, float a) -> float
+    FClamp,        /// (MetaArithmetic, float value, float min, float max) -> float
+    FMin,          /// (MetaArithmetic, float a, float b) -> float
+    FMax,          /// (MetaArithmetic, float a, float b) -> float
+    FCos,          /// (MetaArithmetic, float a) -> float
+    FSin,          /// (MetaArithmetic, float a) -> float
+    FExp2,         /// (MetaArithmetic, float a) -> float
+    FLog2,         /// (MetaArithmetic, float a) -> float
+    FInverseSqrt,  /// (MetaArithmetic, float a) -> float
+    FSqrt,         /// (MetaArithmetic, float a) -> float
+    FRoundEven,    /// (MetaArithmetic, float a) -> float
+    FFloor,        /// (MetaArithmetic, float a) -> float
+    FCeil,         /// (MetaArithmetic, float a) -> float
+    FTrunc,        /// (MetaArithmetic, float a) -> float
+    FCastInteger,  /// (MetaArithmetic, int a) -> float
+    FCastUInteger, /// (MetaArithmetic, uint a) -> float
+
+    IAdd,                  /// (MetaArithmetic, int a, int b) -> int
+    IMul,                  /// (MetaArithmetic, int a, int b) -> int
+    IDiv,                  /// (MetaArithmetic, int a, int b) -> int
+    INegate,               /// (MetaArithmetic, int a) -> int
+    IAbsolute,             /// (MetaArithmetic, int a) -> int
+    IMin,                  /// (MetaArithmetic, int a, int b) -> int
+    IMax,                  /// (MetaArithmetic, int a, int b) -> int
+    ICastFloat,            /// (MetaArithmetic, float a) -> int
+    ICastUnsigned,         /// (MetaArithmetic, uint a) -> int
+    ILogicalShiftLeft,     /// (MetaArithmetic, int a, uint b) -> int
+    ILogicalShiftRight,    /// (MetaArithmetic, int a, uint b) -> int
+    IArithmeticShiftRight, /// (MetaArithmetic, int a, uint b) -> int
+    IBitwiseAnd,           /// (MetaArithmetic, int a, int b) -> int
+    IBitwiseOr,            /// (MetaArithmetic, int a, int b) -> int
+    IBitwiseXor,           /// (MetaArithmetic, int a, int b) -> int
+    IBitwiseNot,           /// (MetaArithmetic, int a) -> int
+    IBitfieldInsert,       /// (MetaArithmetic, int base, int insert, int offset, int bits) -> int
+    IBitfieldExtract,      /// (MetaArithmetic, int value, int offset, int offset) -> int
+    IBitCount,             /// (MetaArithmetic, int) -> int
+
+    UAdd,                  /// (MetaArithmetic, uint a, uint b) -> uint
+    UMul,                  /// (MetaArithmetic, uint a, uint b) -> uint
+    UDiv,                  /// (MetaArithmetic, uint a, uint b) -> uint
+    UMin,                  /// (MetaArithmetic, uint a, uint b) -> uint
+    UMax,                  /// (MetaArithmetic, uint a, uint b) -> uint
+    UCastFloat,            /// (MetaArithmetic, float a) -> uint
+    UCastSigned,           /// (MetaArithmetic, int a) -> uint
+    ULogicalShiftLeft,     /// (MetaArithmetic, uint a, uint b) -> uint
+    ULogicalShiftRight,    /// (MetaArithmetic, uint a, uint b) -> uint
+    UArithmeticShiftRight, /// (MetaArithmetic, uint a, uint b) -> uint
+    UBitwiseAnd,           /// (MetaArithmetic, uint a, uint b) -> uint
+    UBitwiseOr,            /// (MetaArithmetic, uint a, uint b) -> uint
+    UBitwiseXor,           /// (MetaArithmetic, uint a, uint b) -> uint
+    UBitwiseNot,           /// (MetaArithmetic, uint a) -> uint
+    UBitfieldInsert,  /// (MetaArithmetic, uint base, uint insert, int offset, int bits) -> uint
+    UBitfieldExtract, /// (MetaArithmetic, uint value, int offset, int offset) -> uint
+    UBitCount,        /// (MetaArithmetic, uint) -> uint
+
+    HAdd,      /// (MetaHalfArithmetic, f16vec2 a, f16vec2 b) -> f16vec2
+    HMul,      /// (MetaHalfArithmetic, f16vec2 a, f16vec2 b) -> f16vec2
+    HFma,      /// (MetaHalfArithmetic, f16vec2 a, f16vec2 b, f16vec2 c) -> f16vec2
+    HAbsolute, /// (f16vec2 a) -> f16vec2
+    HNegate,   /// (f16vec2 a, bool first, bool second) -> f16vec2
+    HMergeF32, /// (f16vec2 src) -> float
+    HMergeH0,  /// (f16vec2 dest, f16vec2 src) -> f16vec2
+    HMergeH1,  /// (f16vec2 dest, f16vec2 src) -> f16vec2
+    HPack2,    /// (float a, float b) -> f16vec2
+
+    LogicalAssign, /// (bool& dst, bool src) -> void
+    LogicalAnd,    /// (bool a, bool b) -> bool
+    LogicalOr,     /// (bool a, bool b) -> bool
+    LogicalXor,    /// (bool a, bool b) -> bool
+    LogicalNegate, /// (bool a) -> bool
+    LogicalPick2,  /// (bool2 pair, uint index) -> bool
+    LogicalAll2,   /// (bool2 a) -> bool
+    LogicalAny2,   /// (bool2 a) -> bool
+
+    LogicalFLessThan,     /// (float a, float b) -> bool
+    LogicalFEqual,        /// (float a, float b) -> bool
+    LogicalFLessEqual,    /// (float a, float b) -> bool
+    LogicalFGreaterThan,  /// (float a, float b) -> bool
+    LogicalFNotEqual,     /// (float a, float b) -> bool
+    LogicalFGreaterEqual, /// (float a, float b) -> bool
+    LogicalFIsNan,        /// (float a) -> bool
+
+    LogicalILessThan,     /// (int a, int b) -> bool
+    LogicalIEqual,        /// (int a, int b) -> bool
+    LogicalILessEqual,    /// (int a, int b) -> bool
+    LogicalIGreaterThan,  /// (int a, int b) -> bool
+    LogicalINotEqual,     /// (int a, int b) -> bool
+    LogicalIGreaterEqual, /// (int a, int b) -> bool
+
+    LogicalULessThan,     /// (uint a, uint b) -> bool
+    LogicalUEqual,        /// (uint a, uint b) -> bool
+    LogicalULessEqual,    /// (uint a, uint b) -> bool
+    LogicalUGreaterThan,  /// (uint a, uint b) -> bool
+    LogicalUNotEqual,     /// (uint a, uint b) -> bool
+    LogicalUGreaterEqual, /// (uint a, uint b) -> bool
+
+    Logical2HLessThan,     /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
+    Logical2HEqual,        /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
+    Logical2HLessEqual,    /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
+    Logical2HGreaterThan,  /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
+    Logical2HNotEqual,     /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
+    Logical2HGreaterEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
+
+    F4Texture,                /// (MetaTexture, float[N] coords, float[M] params) -> float4
+    F4TextureLod,             /// (MetaTexture, float[N] coords, float[M] params) -> float4
+    F4TextureGather,          /// (MetaTexture, float[N] coords, float[M] params) -> float4
+    F4TextureQueryDimensions, /// (MetaTexture, float a) -> float4
+    F4TextureQueryLod,        /// (MetaTexture, float[N] coords) -> float4
+    F4TexelFetch,             /// (MetaTexture, int[N], int) -> float4
+
+    Branch,        /// (uint branch_target) -> void
+    PushFlowStack, /// (uint branch_target) -> void
+    PopFlowStack,  /// () -> void
+    Exit,          /// () -> void
+    Discard,       /// () -> void
+
+    EmitVertex,   /// () -> void
+    EndPrimitive, /// () -> void
+
+    YNegate, /// () -> float
+
+    Amount,
+};
+
+enum class InternalFlag {
+    Zero = 0,
+    Sign = 1,
+    Carry = 2,
+    Overflow = 3,
+    Amount = 4,
+};
+
+/// Describes the behaviour of code path of a given entry point and a return point.
+enum class ExitMethod {
+    Undetermined, ///< Internal value. Only occur when analyzing JMP loop.
+    AlwaysReturn, ///< All code paths reach the return point.
+    Conditional,  ///< Code path reaches the return point or an END instruction conditionally.
+    AlwaysEnd,    ///< All code paths reach a END instruction.
+};
+
+class Sampler {
+public:
+    explicit Sampler(std::size_t offset, std::size_t index, Tegra::Shader::TextureType type,
+                     bool is_array, bool is_shadow)
+        : offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow} {}
+
+    std::size_t GetOffset() const {
+        return offset;
+    }
+
+    std::size_t GetIndex() const {
+        return index;
+    }
+
+    Tegra::Shader::TextureType GetType() const {
+        return type;
+    }
+
+    bool IsArray() const {
+        return is_array;
+    }
+
+    bool IsShadow() const {
+        return is_shadow;
+    }
+
+    bool operator<(const Sampler& rhs) const {
+        return std::tie(offset, index, type, is_array, is_shadow) <
+               std::tie(rhs.offset, rhs.index, rhs.type, rhs.is_array, rhs.is_shadow);
+    }
+
+private:
+    /// Offset in TSC memory from which to read the sampler object, as specified by the sampling
+    /// instruction.
+    std::size_t offset{};
+    std::size_t index{}; ///< Value used to index into the generated GLSL sampler array.
+    Tegra::Shader::TextureType type{}; ///< The type used to sample this texture (Texture2D, etc)
+    bool is_array{};  ///< Whether the texture is being sampled as an array texture or not.
+    bool is_shadow{}; ///< Whether the texture is being sampled as a depth texture or not.
+};
+
+class ConstBuffer {
+public:
+    void MarkAsUsed(u64 offset) {
+        max_offset = std::max(max_offset, static_cast<u32>(offset));
+    }
+
+    void MarkAsUsedIndirect() {
+        is_indirect = true;
+    }
+
+    bool IsIndirect() const {
+        return is_indirect;
+    }
+
+    u32 GetSize() const {
+        return max_offset + 1;
+    }
+
+private:
+    u32 max_offset{};
+    bool is_indirect{};
+};
+
+struct MetaArithmetic {
+    bool precise{};
+};
+
+struct MetaHalfArithmetic {
+    bool precise{};
+    std::array<Tegra::Shader::HalfType, 3> types = {Tegra::Shader::HalfType::H0_H1,
+                                                    Tegra::Shader::HalfType::H0_H1,
+                                                    Tegra::Shader::HalfType::H0_H1};
+};
+
+struct MetaTexture {
+    const Sampler& sampler;
+    u32 element{};
+    u32 coords_count{};
+    std::optional<u32> array_index;
+};
+
+constexpr MetaArithmetic PRECISE = {true};
+constexpr MetaArithmetic NO_PRECISE = {false};
+constexpr MetaHalfArithmetic HALF_NO_PRECISE = {false};
+
+using Meta = std::variant<MetaArithmetic, MetaHalfArithmetic, MetaTexture>;
+
+/// Holds any kind of operation that can be done in the IR
+class OperationNode final {
+public:
+    template <typename... T>
+    explicit constexpr OperationNode(OperationCode code) : code{code}, meta{} {}
+
+    template <typename... T>
+    explicit constexpr OperationNode(OperationCode code, Meta&& meta)
+        : code{code}, meta{std::move(meta)} {}
+
+    template <typename... T>
+    explicit constexpr OperationNode(OperationCode code, const T*... operands)
+        : OperationNode(code, {}, operands...) {}
+
+    template <typename... T>
+    explicit constexpr OperationNode(OperationCode code, Meta&& meta, const T*... operands_)
+        : code{code}, meta{std::move(meta)} {
+
+        auto operands_list = {operands_...};
+        for (auto& operand : operands_list) {
+            operands.push_back(operand);
+        }
+    }
+
+    explicit OperationNode(OperationCode code, Meta&& meta, std::vector<Node>&& operands)
+        : code{code}, meta{meta}, operands{std::move(operands)} {}
+
+    explicit OperationNode(OperationCode code, std::vector<Node>&& operands)
+        : code{code}, meta{}, operands{std::move(operands)} {}
+
+    OperationCode GetCode() const {
+        return code;
+    }
+
+    const Meta& GetMeta() const {
+        return meta;
+    }
+
+    std::size_t GetOperandsCount() const {
+        return operands.size();
+    }
+
+    Node operator[](std::size_t operand_index) const {
+        return operands.at(operand_index);
+    }
+
+private:
+    const OperationCode code;
+    const Meta meta;
+    std::vector<Node> operands;
+};
+
+/// Encloses inside any kind of node that returns a boolean conditionally-executed code
+class ConditionalNode final {
+public:
+    explicit ConditionalNode(Node condition, std::vector<Node>&& code)
+        : condition{condition}, code{std::move(code)} {}
+
+    Node GetCondition() const {
+        return condition;
+    }
+
+    const std::vector<Node>& GetCode() const {
+        return code;
+    }
+
+private:
+    const Node condition;   ///< Condition to be satisfied
+    std::vector<Node> code; ///< Code to execute
+};
+
+/// A general purpose register
+class GprNode final {
+public:
+    explicit constexpr GprNode(Tegra::Shader::Register index) : index{index} {}
+
+    u32 GetIndex() const {
+        return static_cast<u32>(index);
+    }
+
+private:
+    const Tegra::Shader::Register index;
+};
+
+/// A 32-bits value that represents an immediate value
+class ImmediateNode final {
+public:
+    explicit constexpr ImmediateNode(u32 value) : value{value} {}
+
+    u32 GetValue() const {
+        return value;
+    }
+
+private:
+    const u32 value;
+};
+
+/// One of Maxwell's internal flags
+class InternalFlagNode final {
+public:
+    explicit constexpr InternalFlagNode(InternalFlag flag) : flag{flag} {}
+
+    InternalFlag GetFlag() const {
+        return flag;
+    }
+
+private:
+    const InternalFlag flag;
+};
+
+/// A predicate register, it can be negated without aditional nodes
+class PredicateNode final {
+public:
+    explicit constexpr PredicateNode(Tegra::Shader::Pred index, bool negated)
+        : index{index}, negated{negated} {}
+
+    Tegra::Shader::Pred GetIndex() const {
+        return index;
+    }
+
+    bool IsNegated() const {
+        return negated;
+    }
+
+private:
+    const Tegra::Shader::Pred index;
+    const bool negated;
+};
+
+/// Attribute buffer memory (known as attributes or varyings in GLSL terms)
+class AbufNode final {
+public:
+    explicit constexpr AbufNode(Tegra::Shader::Attribute::Index index, u32 element,
+                                const Tegra::Shader::IpaMode& input_mode, Node buffer = {})
+        : input_mode{input_mode}, index{index}, element{element}, buffer{buffer} {}
+
+    explicit constexpr AbufNode(Tegra::Shader::Attribute::Index index, u32 element,
+                                Node buffer = {})
+        : input_mode{}, index{index}, element{element}, buffer{buffer} {}
+
+    Tegra::Shader::IpaMode GetInputMode() const {
+        return input_mode;
+    }
+
+    Tegra::Shader::Attribute::Index GetIndex() const {
+        return index;
+    }
+
+    u32 GetElement() const {
+        return element;
+    }
+
+    Node GetBuffer() const {
+        return buffer;
+    }
+
+private:
+    const Tegra::Shader::IpaMode input_mode;
+    const Node buffer;
+    const Tegra::Shader::Attribute::Index index;
+    const u32 element;
+};
+
+/// Constant buffer node, usually mapped to uniform buffers in GLSL
+class CbufNode final {
+public:
+    explicit constexpr CbufNode(u32 index, Node offset) : index{index}, offset{offset} {}
+
+    u32 GetIndex() const {
+        return index;
+    }
+
+    Node GetOffset() const {
+        return offset;
+    }
+
+private:
+    const u32 index;
+    const Node offset;
+};
+
+/// Local memory node
+class LmemNode final {
+public:
+    explicit constexpr LmemNode(Node address) : address{address} {}
+
+    Node GetAddress() const {
+        return address;
+    }
+
+private:
+    const Node address;
+};
+
+/// Global memory node
+class GmemNode final {
+public:
+    explicit constexpr GmemNode(Node address) : address{address} {}
+
+    Node GetAddress() const {
+        return address;
+    }
+
+private:
+    const Node address;
+};
+
+/// Commentary, can be dropped
+class CommentNode final {
+public:
+    explicit CommentNode(std::string text) : text{std::move(text)} {}
+
+    const std::string& GetText() const {
+        return text;
+    }
+
+private:
+    std::string text;
+};
+
+class ShaderIR final {
+public:
+    explicit ShaderIR(const ProgramCode& program_code, u32 main_offset)
+        : program_code{program_code}, main_offset{main_offset} {
+
+        Decode();
+    }
+
+    const std::map<u32, BasicBlock>& GetBasicBlocks() const {
+        return basic_blocks;
+    }
+
+    const std::set<u32>& GetRegisters() const {
+        return used_registers;
+    }
+
+    const std::set<Tegra::Shader::Pred>& GetPredicates() const {
+        return used_predicates;
+    }
+
+    const std::map<Tegra::Shader::Attribute::Index, std::set<Tegra::Shader::IpaMode>>&
+    GetInputAttributes() const {
+        return used_input_attributes;
+    }
+
+    const std::set<Tegra::Shader::Attribute::Index>& GetOutputAttributes() const {
+        return used_output_attributes;
+    }
+
+    const std::map<u32, ConstBuffer>& GetConstantBuffers() const {
+        return used_cbufs;
+    }
+
+    const std::set<Sampler>& GetSamplers() const {
+        return used_samplers;
+    }
+
+    const std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances>& GetClipDistances()
+        const {
+        return used_clip_distances;
+    }
+
+    std::size_t GetLength() const {
+        return static_cast<std::size_t>(coverage_end * sizeof(u64));
+    }
+
+    const Tegra::Shader::Header& GetHeader() const {
+        return header;
+    }
+
+private:
+    void Decode();
+
+    ExitMethod Scan(u32 begin, u32 end, std::set<u32>& labels);
+
+    BasicBlock DecodeRange(u32 begin, u32 end);
+
+    /**
+     * Decodes a single instruction from Tegra to IR.
+     * @param bb Basic block where the nodes will be written to.
+     * @param pc Program counter. Offset to decode.
+     * @return Next address to decode.
+     */
+    u32 DecodeInstr(BasicBlock& bb, u32 pc);
+
+    u32 DecodeArithmetic(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeArithmeticImmediate(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeBfe(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeBfi(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeShift(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeArithmeticInteger(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeArithmeticIntegerImmediate(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeArithmeticHalf(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeArithmeticHalfImmediate(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeFfma(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeHfma2(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeConversion(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeMemory(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeFloatSetPredicate(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeIntegerSetPredicate(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeHalfSetPredicate(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodePredicateSetRegister(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodePredicateSetPredicate(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeRegisterSetPredicate(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeFloatSet(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeIntegerSet(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeHalfSet(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeVideo(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeXmad(BasicBlock& bb, const BasicBlock& code, u32 pc);
+    u32 DecodeOther(BasicBlock& bb, const BasicBlock& code, u32 pc);
+
+    /// Internalizes node's data and returns a managed pointer to a clone of that node
+    Node StoreNode(NodeData&& node_data);
+
+    /// Creates a conditional node
+    Node Conditional(Node condition, std::vector<Node>&& code);
+    /// Creates a commentary
+    Node Comment(const std::string& text);
+    /// Creates an u32 immediate
+    Node Immediate(u32 value);
+    /// Creates a s32 immediate
+    Node Immediate(s32 value) {
+        return Immediate(static_cast<u32>(value));
+    }
+    /// Creates a f32 immediate
+    Node Immediate(f32 value) {
+        u32 integral;
+        std::memcpy(&integral, &value, sizeof(u32));
+        return Immediate(integral);
+    }
+
+    /// Generates a node for a passed register.
+    Node GetRegister(Tegra::Shader::Register reg);
+    /// Generates a node representing a 19-bit immediate value
+    Node GetImmediate19(Tegra::Shader::Instruction instr);
+    /// Generates a node representing a 32-bit immediate value
+    Node GetImmediate32(Tegra::Shader::Instruction instr);
+    /// Generates a node representing a constant buffer
+    Node GetConstBuffer(u64 index, u64 offset);
+    /// Generates a node representing a constant buffer with a variadic offset
+    Node GetConstBufferIndirect(u64 index, u64 offset, Node node);
+    /// Generates a node for a passed predicate. It can be optionally negated
+    Node GetPredicate(u64 pred, bool negated = false);
+    /// Generates a predicate node for an immediate true or false value
+    Node GetPredicate(bool immediate);
+    /// Generates a node representing an input atttribute. Keeps track of used attributes.
+    Node GetInputAttribute(Tegra::Shader::Attribute::Index index, u64 element,
+                           const Tegra::Shader::IpaMode& input_mode, Node buffer = {});
+    /// Generates a node representing an output atttribute. Keeps track of used attributes.
+    Node GetOutputAttribute(Tegra::Shader::Attribute::Index index, u64 element, Node buffer);
+    /// Generates a node representing an internal flag
+    Node GetInternalFlag(InternalFlag flag, bool negated = false);
+    /// Generates a node representing a local memory address
+    Node GetLocalMemory(Node address);
+    /// Generates a temporal, internally it uses a post-RZ register
+    Node GetTemporal(u32 id);
+
+    /// Sets a register. src value must be a number-evaluated node.
+    void SetRegister(BasicBlock& bb, Tegra::Shader::Register dest, Node src);
+    /// Sets a predicate. src value must be a bool-evaluated node
+    void SetPredicate(BasicBlock& bb, u64 dest, Node src);
+    /// Sets an internal flag. src value must be a bool-evaluated node
+    void SetInternalFlag(BasicBlock& bb, InternalFlag flag, Node value);
+    /// Sets a local memory address. address and value must be a number-evaluated node
+    void SetLocalMemory(BasicBlock& bb, Node address, Node value);
+    /// Sets a temporal. Internally it uses a post-RZ register
+    void SetTemporal(BasicBlock& bb, u32 id, Node value);
+
+    /// Sets internal flags from a float
+    void SetInternalFlagsFromFloat(BasicBlock& bb, Node value, bool sets_cc = true);
+    /// Sets internal flags from an integer
+    void SetInternalFlagsFromInteger(BasicBlock& bb, Node value, bool sets_cc = true);
+
+    /// Conditionally absolute/negated float. Absolute is applied first
+    Node GetOperandAbsNegFloat(Node value, bool absolute, bool negate);
+    /// Conditionally saturates a float
+    Node GetSaturatedFloat(Node value, bool saturate = true);
+
+    /// Converts an integer to different sizes.
+    Node ConvertIntegerSize(Node value, Tegra::Shader::Register::Size size, bool is_signed);
+    /// Conditionally absolute/negated integer. Absolute is applied first
+    Node GetOperandAbsNegInteger(Node value, bool absolute, bool negate, bool is_signed);
+
+    /// Unpacks a half immediate from an instruction
+    Node UnpackHalfImmediate(Tegra::Shader::Instruction instr, bool has_negation);
+    /// Merges a half pair into another value
+    Node HalfMerge(Node dest, Node src, Tegra::Shader::HalfMerge merge);
+    /// Conditionally absolute/negated half float pair. Absolute is applied first
+    Node GetOperandAbsNegHalf(Node value, bool absolute, bool negate);
+
+    /// Returns a predicate comparing two floats
+    Node GetPredicateComparisonFloat(Tegra::Shader::PredCondition condition, Node op_a, Node op_b);
+    /// Returns a predicate comparing two integers
+    Node GetPredicateComparisonInteger(Tegra::Shader::PredCondition condition, bool is_signed,
+                                       Node op_a, Node op_b);
+    /// Returns a predicate comparing two half floats. meta consumes how both pairs will be compared
+    Node GetPredicateComparisonHalf(Tegra::Shader::PredCondition condition,
+                                    const MetaHalfArithmetic& meta, Node op_a, Node op_b);
+
+    /// Returns a predicate combiner operation
+    OperationCode GetPredicateCombiner(Tegra::Shader::PredOperation operation);
+
+    /// Returns a condition code evaluated from internal flags
+    Node GetConditionCode(Tegra::Shader::ConditionCode cc);
+
+    /// Accesses a texture sampler
+    const Sampler& GetSampler(const Tegra::Shader::Sampler& sampler,
+                              Tegra::Shader::TextureType type, bool is_array, bool is_shadow);
+
+    /// Extracts a sequence of bits from a node
+    Node BitfieldExtract(Node value, u32 offset, u32 bits);
+
+    void WriteTexInstructionFloat(BasicBlock& bb, Tegra::Shader::Instruction instr,
+                                  const Node4& components);
+
+    void WriteTexsInstructionFloat(BasicBlock& bb, Tegra::Shader::Instruction instr,
+                                   const Node4& components);
+    void WriteTexsInstructionHalfFloat(BasicBlock& bb, Tegra::Shader::Instruction instr,
+                                       const Node4& components);
+
+    Node4 GetTexCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
+                     Tegra::Shader::TextureProcessMode process_mode, bool depth_compare,
+                     bool is_array);
+
+    Node4 GetTexsCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
+                      Tegra::Shader::TextureProcessMode process_mode, bool depth_compare,
+                      bool is_array);
+
+    Node4 GetTld4Code(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
+                      bool depth_compare, bool is_array);
+
+    Node4 GetTldsCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
+                      bool is_array);
+
+    std::tuple<std::size_t, std::size_t> ValidateAndGetCoordinateElement(
+        Tegra::Shader::TextureType texture_type, bool depth_compare, bool is_array,
+        bool lod_bias_enabled, std::size_t max_coords, std::size_t max_inputs);
+
+    Node4 GetTextureCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
+                         Tegra::Shader::TextureProcessMode process_mode, bool depth_compare,
+                         bool is_array, std::size_t array_offset, std::size_t bias_offset,
+                         std::vector<Node>&& coords);
+
+    Node GetVideoOperand(Node op, bool is_chunk, bool is_signed, Tegra::Shader::VideoType type,
+                         u64 byte_height);
+
+    void WriteLogicOperation(BasicBlock& bb, Tegra::Shader::Register dest,
+                             Tegra::Shader::LogicOperation logic_op, Node op_a, Node op_b,
+                             Tegra::Shader::PredicateResultMode predicate_mode,
+                             Tegra::Shader::Pred predicate, bool sets_cc);
+    void WriteLop3Instruction(BasicBlock& bb, Tegra::Shader::Register dest, Node op_a, Node op_b,
+                              Node op_c, Node imm_lut, bool sets_cc);
+
+    template <typename... T>
+    Node Operation(OperationCode code, const T*... operands) {
+        return StoreNode(OperationNode(code, operands...));
+    }
+
+    template <typename... T>
+    Node Operation(OperationCode code, Meta&& meta, const T*... operands) {
+        return StoreNode(OperationNode(code, std::move(meta), operands...));
+    }
+
+    template <typename... T>
+    Node Operation(OperationCode code, std::vector<Node>&& operands) {
+        return StoreNode(OperationNode(code, std::move(operands)));
+    }
+
+    template <typename... T>
+    Node Operation(OperationCode code, Meta&& meta, std::vector<Node>&& operands) {
+        return StoreNode(OperationNode(code, std::move(meta), std::move(operands)));
+    }
+
+    template <typename... T>
+    Node SignedOperation(OperationCode code, bool is_signed, const T*... operands) {
+        return StoreNode(OperationNode(SignedToUnsignedCode(code, is_signed), operands...));
+    }
+
+    template <typename... T>
+    Node SignedOperation(OperationCode code, bool is_signed, Meta&& meta, const T*... operands) {
+        return StoreNode(
+            OperationNode(SignedToUnsignedCode(code, is_signed), std::move(meta), operands...));
+    }
+
+    static OperationCode SignedToUnsignedCode(OperationCode operation_code, bool is_signed);
+
+    const ProgramCode& program_code;
+    const u32 main_offset;
+
+    u32 coverage_begin{};
+    u32 coverage_end{};
+    std::map<std::pair<u32, u32>, ExitMethod> exit_method_map;
+
+    std::map<u32, BasicBlock> basic_blocks;
+
+    std::vector<std::unique_ptr<NodeData>> stored_nodes;
+
+    std::set<u32> used_registers;
+    std::set<Tegra::Shader::Pred> used_predicates;
+    std::map<Tegra::Shader::Attribute::Index, std::set<Tegra::Shader::IpaMode>>
+        used_input_attributes;
+    std::set<Tegra::Shader::Attribute::Index> used_output_attributes;
+    std::map<u32, ConstBuffer> used_cbufs;
+    std::set<Sampler> used_samplers;
+    std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances> used_clip_distances{};
+
+    Tegra::Shader::Header header;
+};
+
+} // namespace VideoCommon::Shader

src/yuzu/CMakeLists.txt

@@ -11,6 +11,8 @@ add_executable(yuzu
     applets/profile_select.h
     applets/software_keyboard.cpp
     applets/software_keyboard.h
+    applets/web_browser.cpp
+    applets/web_browser.h
     bootmanager.cpp
     bootmanager.h
     compatibility_list.cpp
@@ -37,6 +39,8 @@ add_executable(yuzu
     configuration/configure_input_simple.h
     configuration/configure_mouse_advanced.cpp
     configuration/configure_mouse_advanced.h
+    configuration/configure_profile_manager.cpp
+    configuration/configure_profile_manager.h
     configuration/configure_system.cpp
     configuration/configure_system.h
     configuration/configure_per_general.cpp
@@ -64,6 +68,8 @@ add_executable(yuzu
     game_list_p.h
     game_list_worker.cpp
     game_list_worker.h
+    loading_screen.cpp
+    loading_screen.h
     hotkeys.cpp
     hotkeys.h
     main.cpp
@@ -94,12 +100,14 @@ set(UIS
     configuration/configure_input_simple.ui
     configuration/configure_mouse_advanced.ui
     configuration/configure_per_general.ui
+    configuration/configure_profile_manager.ui
     configuration/configure_system.ui
     configuration/configure_touchscreen_advanced.ui
     configuration/configure_web.ui
-    hotkeys.ui
-    main.ui
     compatdb.ui
+    hotkeys.ui
+    loading_screen.ui
+    main.ui
 )
 
 file(GLOB COMPAT_LIST
@@ -154,6 +162,11 @@ if (USE_DISCORD_PRESENCE)
     target_compile_definitions(yuzu PRIVATE -DUSE_DISCORD_PRESENCE)
 endif()
 
+if (YUZU_USE_QT_WEB_ENGINE)
+    target_link_libraries(yuzu PRIVATE Qt5::WebEngineCore Qt5::WebEngineWidgets)
+    target_compile_definitions(yuzu PRIVATE -DYUZU_USE_QT_WEB_ENGINE)
+endif ()
+
 if(UNIX AND NOT APPLE)
     install(TARGETS yuzu RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}/bin")
 endif()

src/yuzu/applets/web_browser.cpp

@@ -0,0 +1,113 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <mutex>
+
+#include <QKeyEvent>
+
+#include "core/hle/lock.h"
+#include "yuzu/applets/web_browser.h"
+#include "yuzu/main.h"
+
+#ifdef YUZU_USE_QT_WEB_ENGINE
+
+constexpr char NX_SHIM_INJECT_SCRIPT[] = R"(
+    window.nx = {};
+    window.nx.playReport = {};
+    window.nx.playReport.setCounterSetIdentifier = function () {
+        console.log("nx.playReport.setCounterSetIdentifier called - unimplemented");
+    };
+
+    window.nx.playReport.incrementCounter = function () {
+        console.log("nx.playReport.incrementCounter called - unimplemented");
+    };
+
+    window.nx.footer = {};
+    window.nx.footer.unsetAssign = function () {
+        console.log("nx.footer.unsetAssign called - unimplemented");
+    };
+
+    var yuzu_key_callbacks = [];
+    window.nx.footer.setAssign = function(key, discard1, func, discard2) {
+        switch (key) {
+        case 'A':
+            yuzu_key_callbacks[0] = func;
+            break;
+        case 'B':
+            yuzu_key_callbacks[1] = func;
+            break;
+        case 'X':
+            yuzu_key_callbacks[2] = func;
+            break;
+        case 'Y':
+            yuzu_key_callbacks[3] = func;
+            break;
+        case 'L':
+            yuzu_key_callbacks[6] = func;
+            break;
+        case 'R':
+            yuzu_key_callbacks[7] = func;
+            break;
+        }
+    };
+
+    var applet_done = false;
+    window.nx.endApplet = function() {
+        applet_done = true;
+    };
+)";
+
+QString GetNXShimInjectionScript() {
+    return QString::fromStdString(NX_SHIM_INJECT_SCRIPT);
+}
+
+NXInputWebEngineView::NXInputWebEngineView(QWidget* parent) : QWebEngineView(parent) {}
+
+void NXInputWebEngineView::keyPressEvent(QKeyEvent* event) {
+    parent()->event(event);
+}
+
+void NXInputWebEngineView::keyReleaseEvent(QKeyEvent* event) {
+    parent()->event(event);
+}
+
+#endif
+
+QtWebBrowser::QtWebBrowser(GMainWindow& main_window) {
+    connect(this, &QtWebBrowser::MainWindowOpenPage, &main_window, &GMainWindow::WebBrowserOpenPage,
+            Qt::QueuedConnection);
+    connect(&main_window, &GMainWindow::WebBrowserUnpackRomFS, this,
+            &QtWebBrowser::MainWindowUnpackRomFS, Qt::QueuedConnection);
+    connect(&main_window, &GMainWindow::WebBrowserFinishedBrowsing, this,
+            &QtWebBrowser::MainWindowFinishedBrowsing, Qt::QueuedConnection);
+}
+
+QtWebBrowser::~QtWebBrowser() = default;
+
+void QtWebBrowser::OpenPage(std::string_view url, std::function<void()> unpack_romfs_callback,
+                            std::function<void()> finished_callback) {
+    this->unpack_romfs_callback = std::move(unpack_romfs_callback);
+    this->finished_callback = std::move(finished_callback);
+
+    const auto index = url.find('?');
+    if (index == std::string::npos) {
+        emit MainWindowOpenPage(url, "");
+    } else {
+        const auto front = url.substr(0, index);
+        const auto back = url.substr(index);
+        emit MainWindowOpenPage(front, back);
+    }
+}
+
+void QtWebBrowser::MainWindowUnpackRomFS() {
+    // Acquire the HLE mutex
+    std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
+    unpack_romfs_callback();
+}
+
+void QtWebBrowser::MainWindowFinishedBrowsing() {
+    // Acquire the HLE mutex
+    std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
+    finished_callback();
+}

src/yuzu/applets/web_browser.h

@@ -0,0 +1,52 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+#include <QObject>
+
+#ifdef YUZU_USE_QT_WEB_ENGINE
+#include <QWebEngineView>
+#endif
+
+#include "core/frontend/applets/web_browser.h"
+
+class GMainWindow;
+
+#ifdef YUZU_USE_QT_WEB_ENGINE
+
+QString GetNXShimInjectionScript();
+
+class NXInputWebEngineView : public QWebEngineView {
+public:
+    explicit NXInputWebEngineView(QWidget* parent = nullptr);
+
+protected:
+    void keyPressEvent(QKeyEvent* event) override;
+    void keyReleaseEvent(QKeyEvent* event) override;
+};
+
+#endif
+
+class QtWebBrowser final : public QObject, public Core::Frontend::WebBrowserApplet {
+    Q_OBJECT
+
+public:
+    explicit QtWebBrowser(GMainWindow& main_window);
+    ~QtWebBrowser() override;
+
+    void OpenPage(std::string_view url, std::function<void()> unpack_romfs_callback,
+                  std::function<void()> finished_callback) override;
+
+signals:
+    void MainWindowOpenPage(std::string_view filename, std::string_view additional_args) const;
+
+private:
+    void MainWindowUnpackRomFS();
+    void MainWindowFinishedBrowsing();
+
+    std::function<void()> unpack_romfs_callback;
+    std::function<void()> finished_callback;
+};

src/yuzu/bootmanager.cpp

@@ -3,9 +3,7 @@
 #include <QKeyEvent>
 #include <QScreen>
 #include <QWindow>
-
 #include <fmt/format.h>
-
 #include "common/microprofile.h"
 #include "common/scm_rev.h"
 #include "core/core.h"
@@ -17,6 +15,7 @@
 #include "video_core/renderer_base.h"
 #include "video_core/video_core.h"
 #include "yuzu/bootmanager.h"
+#include "yuzu/main.h"
 
 EmuThread::EmuThread(GRenderWindow* render_window) : render_window(render_window) {}
 
@@ -114,6 +113,8 @@ GRenderWindow::GRenderWindow(QWidget* parent, EmuThread* emu_thread)
 
     InputCommon::Init();
     InputCommon::StartJoystickEventHandler();
+    connect(this, &GRenderWindow::FirstFrameDisplayed, static_cast<GMainWindow*>(parent),
+            &GMainWindow::OnLoadComplete);
 }
 
 GRenderWindow::~GRenderWindow() {
@@ -141,6 +142,10 @@ void GRenderWindow::SwapBuffers() {
     child->makeCurrent();
 
     child->swapBuffers();
+    if (!first_frame) {
+        emit FirstFrameDisplayed();
+        first_frame = true;
+    }
 }
 
 void GRenderWindow::MakeCurrent() {
@@ -309,6 +314,8 @@ void GRenderWindow::InitRenderTarget() {
         delete layout();
     }
 
+    first_frame = false;
+
     // TODO: One of these flags might be interesting: WA_OpaquePaintEvent, WA_NoBackground,
     // WA_DontShowOnScreen, WA_DeleteOnClose
     QGLFormat fmt;