yuzu/main: Move window title updating logic to its own function

For similar reasons to the previous change, we move this to a single
function, so we don't need to duplicate the conversion logic in several
places within main.cpp.

.travis/linux-mingw/build.sh

@@ -1,3 +1,3 @@
 #!/bin/bash -ex
 mkdir "$HOME/.ccache" || true
-docker run --env-file .travis/common/travis-ci.env -v $(pwd):/yuzu -v "$HOME/.ccache":/root/.ccache ubuntu:18.04 /bin/bash -ex /yuzu/.travis/linux-mingw/docker.sh
+docker run --env-file .travis/common/travis-ci.env -v $(pwd):/yuzu -v "$HOME/.ccache":/root/.ccache yuzuemu/build-environments:linux-mingw /bin/bash -ex /yuzu/.travis/linux-mingw/docker.sh

.travis/linux-mingw/deps.sh

@@ -1,3 +1,3 @@
 #!/bin/sh -ex
 
-docker pull ubuntu:18.04
+docker pull yuzuemu/build-environments:linux-mingw

.travis/linux-mingw/docker.sh

@@ -1,16 +1,6 @@
 #!/bin/bash -ex
 
 cd /yuzu
-MINGW_PACKAGES="sdl2-mingw-w64 qt5base-mingw-w64 qt5tools-mingw-w64 libsamplerate-mingw-w64 qt5multimedia-mingw-w64"
-apt-get update
-apt-get install -y gpg wget git python3-pip python ccache g++-mingw-w64-x86-64 gcc-mingw-w64-x86-64 mingw-w64-tools cmake
-echo 'deb http://ppa.launchpad.net/tobydox/mingw-w64/ubuntu bionic main ' > /etc/apt/sources.list.d/extras.list
-apt-key adv --keyserver keyserver.ubuntu.com --recv '72931B477E22FEFD47F8DECE02FE5F12ADDE29B2'
-apt-get update
-apt-get install -y ${MINGW_PACKAGES}
-
-# fix a problem in current MinGW headers
-wget -q https://raw.githubusercontent.com/Alexpux/mingw-w64/d0d7f784833bbb0b2d279310ddc6afb52fe47a46/mingw-w64-headers/crt/errno.h -O /usr/x86_64-w64-mingw32/include/errno.h
 # override Travis CI unreasonable ccache size
 echo 'max_size = 3.0G' > "$HOME/.ccache/ccache.conf"
 

.travis/linux/build.sh

@@ -1,4 +1,4 @@
 #!/bin/bash -ex
 
 mkdir -p "$HOME/.ccache"
-docker run -e ENABLE_COMPATIBILITY_REPORTING --env-file .travis/common/travis-ci.env -v $(pwd):/yuzu -v "$HOME/.ccache":/root/.ccache ubuntu:18.04 /bin/bash /yuzu/.travis/linux/docker.sh
+docker run -e ENABLE_COMPATIBILITY_REPORTING --env-file .travis/common/travis-ci.env -v $(pwd):/yuzu -v "$HOME/.ccache":/root/.ccache yuzuemu/build-environments:linux-fresh /bin/bash /yuzu/.travis/linux/docker.sh

.travis/linux/deps.sh

@@ -1,3 +1,3 @@
 #!/bin/sh -ex
 
-docker pull ubuntu:18.04
+docker pull yuzuemu/build-environments:linux-fresh

.travis/linux/docker.sh

@@ -1,8 +1,5 @@
 #!/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 qtwebengine5-dev wget cmake ninja-build ccache
-
 cd /yuzu
 
 mkdir build && cd build

.travis/macos/upload.sh

@@ -19,18 +19,6 @@ $(brew --prefix)/opt/qt5/bin/macdeployqt "${REV_NAME}/yuzu.app" -executable="${R
 # move libs into folder for deployment
 macpack "${REV_NAME}/yuzu-cmd" -d "libs"
 
-# Make the yuzu.app application launch a debugging terminal.
-# Store away the actual binary
-mv ${REV_NAME}/yuzu.app/Contents/MacOS/yuzu ${REV_NAME}/yuzu.app/Contents/MacOS/yuzu-bin
-
-cat > ${REV_NAME}/yuzu.app/Contents/MacOS/yuzu <<EOL
-#!/usr/bin/env bash
-cd "\`dirname "\$0"\`"
-chmod +x yuzu-bin
-open yuzu-bin --args "\$@"
-EOL
-# Content that will serve as the launching script for yuzu (within the .app folder)
-
 # Make the launching script executable
 chmod +x ${REV_NAME}/yuzu.app/Contents/MacOS/yuzu
 

CMakeModules/GenerateSCMRev.cmake

@@ -19,7 +19,7 @@ set(BUILD_VERSION "0")
 if (BUILD_REPOSITORY)
   # regex capture the string nightly or canary into CMAKE_MATCH_1
   string(REGEX MATCH "yuzu-emu/yuzu-?(.*)" OUTVAR ${BUILD_REPOSITORY})
-  if (${CMAKE_MATCH_COUNT} GREATER 0)
+  if ("${CMAKE_MATCH_COUNT}" GREATER 0)
     # capitalize the first letter of each word in the repo name.
     string(REPLACE "-" ";" REPO_NAME_LIST ${CMAKE_MATCH_1})
     foreach(WORD ${REPO_NAME_LIST})

src/CMakeLists.txt

@@ -18,6 +18,9 @@ if (MSVC)
     # Avoid windows.h from including some usually unused libs like winsocks.h, since this might cause some redefinition errors.
     add_definitions(-DWIN32_LEAN_AND_MEAN)
 
+    # Ensure that projects build with Unicode support.
+    add_definitions(-DUNICODE -D_UNICODE)
+
     # /W3 - Level 3 warnings
     # /MP - Multi-threaded compilation
     # /Zi - Output debugging information

src/core/CMakeLists.txt

@@ -88,6 +88,10 @@ add_library(core STATIC
     file_sys/vfs_vector.h
     file_sys/xts_archive.cpp
     file_sys/xts_archive.h
+    frontend/applets/error.cpp
+    frontend/applets/error.h
+    frontend/applets/general_frontend.cpp
+    frontend/applets/general_frontend.h
     frontend/applets/profile_select.cpp
     frontend/applets/profile_select.h
     frontend/applets/software_keyboard.cpp
@@ -177,12 +181,14 @@ add_library(core STATIC
     hle/service/am/applet_oe.h
     hle/service/am/applets/applets.cpp
     hle/service/am/applets/applets.h
+    hle/service/am/applets/error.cpp
+    hle/service/am/applets/error.h
+    hle/service/am/applets/general_backend.cpp
+    hle/service/am/applets/general_backend.h
     hle/service/am/applets/profile_select.cpp
     hle/service/am/applets/profile_select.h
     hle/service/am/applets/software_keyboard.cpp
     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

src/core/arm/arm_interface.h

@@ -7,6 +7,10 @@
 #include <array>
 #include "common/common_types.h"
 
+namespace Common {
+struct PageTable;
+}
+
 namespace Kernel {
 enum class VMAPermission : u8;
 }
@@ -49,8 +53,14 @@ public:
     /// Clear all instruction cache
     virtual void ClearInstructionCache() = 0;
 
-    /// Notify CPU emulation that page tables have changed
-    virtual void PageTableChanged() = 0;
+    /// Notifies CPU emulation that the current page table has changed.
+    ///
+    /// @param new_page_table                 The new page table.
+    /// @param new_address_space_size_in_bits The new usable size of the address space in bits.
+    ///                                       This can be either 32, 36, or 39 on official software.
+    ///
+    virtual void PageTableChanged(Common::PageTable& new_page_table,
+                                  std::size_t new_address_space_size_in_bits) = 0;
 
     /**
      * Set the Program Counter to an address

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -14,7 +14,6 @@
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
 #include "core/gdbstub/gdbstub.h"
-#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/svc.h"
 #include "core/hle/kernel/vm_manager.h"
@@ -129,18 +128,16 @@ public:
     u64 tpidr_el0 = 0;
 };
 
-std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit() const {
-    auto* current_process = system.Kernel().CurrentProcess();
-    auto** const page_table = current_process->VMManager().page_table.pointers.data();
-
+std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit(Common::PageTable& page_table,
+                                                          std::size_t address_space_bits) const {
     Dynarmic::A64::UserConfig config;
 
     // Callbacks
     config.callbacks = cb.get();
 
     // Memory
-    config.page_table = reinterpret_cast<void**>(page_table);
-    config.page_table_address_space_bits = current_process->VMManager().GetAddressSpaceWidth();
+    config.page_table = reinterpret_cast<void**>(page_table.pointers.data());
+    config.page_table_address_space_bits = address_space_bits;
     config.silently_mirror_page_table = false;
 
     // Multi-process state
@@ -176,12 +173,7 @@ ARM_Dynarmic::ARM_Dynarmic(System& system, ExclusiveMonitor& exclusive_monitor,
                            std::size_t core_index)
     : cb(std::make_unique<ARM_Dynarmic_Callbacks>(*this)), inner_unicorn{system},
       core_index{core_index}, system{system},
-      exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor)} {
-    ThreadContext ctx{};
-    inner_unicorn.SaveContext(ctx);
-    PageTableChanged();
-    LoadContext(ctx);
-}
+      exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor)} {}
 
 ARM_Dynarmic::~ARM_Dynarmic() = default;
 
@@ -276,8 +268,9 @@ void ARM_Dynarmic::ClearExclusiveState() {
     jit->ClearExclusiveState();
 }
 
-void ARM_Dynarmic::PageTableChanged() {
-    jit = MakeJit();
+void ARM_Dynarmic::PageTableChanged(Common::PageTable& page_table,
+                                    std::size_t new_address_space_size_in_bits) {
+    jit = MakeJit(page_table, new_address_space_size_in_bits);
 }
 
 DynarmicExclusiveMonitor::DynarmicExclusiveMonitor(std::size_t core_count) : monitor(core_count) {}

src/core/arm/dynarmic/arm_dynarmic.h

@@ -48,10 +48,12 @@ public:
     void ClearExclusiveState() override;
 
     void ClearInstructionCache() override;
-    void PageTableChanged() override;
+    void PageTableChanged(Common::PageTable& new_page_table,
+                          std::size_t new_address_space_size_in_bits) override;
 
 private:
-    std::unique_ptr<Dynarmic::A64::Jit> MakeJit() const;
+    std::unique_ptr<Dynarmic::A64::Jit> MakeJit(Common::PageTable& page_table,
+                                                std::size_t address_space_bits) const;
 
     friend class ARM_Dynarmic_Callbacks;
     std::unique_ptr<ARM_Dynarmic_Callbacks> cb;

src/core/arm/unicorn/arm_unicorn.h

@@ -41,7 +41,7 @@ public:
     void Run() override;
     void Step() override;
     void ClearInstructionCache() override;
-    void PageTableChanged() override{};
+    void PageTableChanged(Common::PageTable&, std::size_t) override {}
     void RecordBreak(GDBStub::BreakpointAddress bkpt);
 
 private:

src/core/core.cpp

@@ -3,9 +3,7 @@
 // Refer to the license.txt file included.
 
 #include <array>
-#include <map>
 #include <memory>
-#include <thread>
 #include <utility>
 
 #include "common/file_util.h"
@@ -20,13 +18,18 @@
 #include "core/file_sys/registered_cache.h"
 #include "core/file_sys/vfs_concat.h"
 #include "core/file_sys/vfs_real.h"
+#include "core/frontend/applets/error.h"
+#include "core/frontend/applets/general_frontend.h"
+#include "core/frontend/applets/profile_select.h"
+#include "core/frontend/applets/software_keyboard.h"
+#include "core/frontend/applets/web_browser.h"
 #include "core/gdbstub/gdbstub.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
-#include "core/hle/service/am/applets/software_keyboard.h"
+#include "core/hle/service/am/applets/applets.h"
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/loader/loader.h"
@@ -38,8 +41,6 @@
 #include "frontend/applets/software_keyboard.h"
 #include "frontend/applets/web_browser.h"
 #include "video_core/debug_utils/debug_utils.h"
-#include "video_core/gpu_asynch.h"
-#include "video_core/gpu_synch.h"
 #include "video_core/renderer_base.h"
 #include "video_core/video_core.h"
 
@@ -81,7 +82,7 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
     return vfs->OpenFile(path, FileSys::Mode::Read);
 }
 struct System::Impl {
-    explicit Impl(System& system) : kernel{system} {}
+    explicit Impl(System& system) : kernel{system}, cpu_core_manager{system} {}
 
     Cpu& CurrentCpuCore() {
         return cpu_core_manager.GetCurrentCore();
@@ -99,6 +100,7 @@ struct System::Impl {
         LOG_DEBUG(HW_Memory, "initialized OK");
 
         core_timing.Initialize();
+        cpu_core_manager.Initialize();
         kernel.Initialize();
 
         const auto current_time = std::chrono::duration_cast<std::chrono::seconds>(
@@ -113,15 +115,7 @@ struct System::Impl {
             content_provider = std::make_unique<FileSys::ContentProviderUnion>();
 
         /// Create default implementations of applets if one is not provided.
-        if (profile_selector == nullptr)
-            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(system, "main");
-        kernel.MakeCurrentProcess(main_process.get());
+        applet_manager.SetDefaultAppletsIfMissing();
 
         telemetry_session = std::make_unique<Core::TelemetrySession>();
         service_manager = std::make_shared<Service::SM::ServiceManager>();
@@ -134,16 +128,10 @@ struct System::Impl {
             return ResultStatus::ErrorVideoCore;
         }
 
+        gpu_core = VideoCore::CreateGPU(system);
+
         is_powered_on = true;
 
-        if (Settings::values.use_asynchronous_gpu_emulation) {
-            gpu_core = std::make_unique<VideoCommon::GPUAsynch>(system, *renderer);
-        } else {
-            gpu_core = std::make_unique<VideoCommon::GPUSynch>(system, *renderer);
-        }
-
-        cpu_core_manager.Initialize(system);
-
         LOG_DEBUG(Core, "Initialized OK");
 
         // Reset counters and set time origin to current frame
@@ -179,7 +167,8 @@ struct System::Impl {
             return init_result;
         }
 
-        const Loader::ResultStatus load_result{app_loader->Load(*kernel.CurrentProcess())};
+        auto main_process = Kernel::Process::Create(system, "main");
+        const auto [load_result, load_parameters] = app_loader->Load(*main_process);
         if (load_result != Loader::ResultStatus::Success) {
             LOG_CRITICAL(Core, "Failed to load ROM (Error {})!", static_cast<int>(load_result));
             Shutdown();
@@ -187,6 +176,16 @@ struct System::Impl {
             return static_cast<ResultStatus>(static_cast<u32>(ResultStatus::ErrorLoader) +
                                              static_cast<u32>(load_result));
         }
+        kernel.MakeCurrentProcess(main_process.get());
+
+        // Main process has been loaded and been made current.
+        // Begin GPU and CPU execution.
+        gpu_core->Start();
+        cpu_core_manager.StartThreads();
+
+        // All threads are started, begin main process execution, now that we're in the clear.
+        main_process->Run(load_parameters->main_thread_priority,
+                          load_parameters->main_thread_stack_size);
 
         status = ResultStatus::Success;
         return status;
@@ -224,9 +223,7 @@ struct System::Impl {
         app_loader.reset();
 
         // Clear all applets
-        profile_selector.reset();
-        software_keyboard.reset();
-        web_browser.reset();
+        applet_manager.ClearAll();
 
         LOG_DEBUG(Core, "Shutdown OK");
     }
@@ -265,9 +262,7 @@ struct System::Impl {
     std::unique_ptr<FileSys::CheatEngine> cheat_engine;
 
     /// 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::AM::Applets::AppletManager applet_manager;
 
     /// Service manager
     std::shared_ptr<Service::SM::ServiceManager> service_manager;
@@ -477,20 +472,20 @@ std::shared_ptr<FileSys::VfsFilesystem> System::GetFilesystem() const {
     return impl->virtual_filesystem;
 }
 
-void System::SetProfileSelector(std::unique_ptr<Frontend::ProfileSelectApplet> applet) {
-    impl->profile_selector = std::move(applet);
+void System::SetAppletFrontendSet(Service::AM::Applets::AppletFrontendSet&& set) {
+    impl->applet_manager.SetAppletFrontendSet(std::move(set));
 }
 
-const Frontend::ProfileSelectApplet& System::GetProfileSelector() const {
-    return *impl->profile_selector;
+void System::SetDefaultAppletFrontendSet() {
+    impl->applet_manager.SetDefaultAppletFrontendSet();
 }
 
-void System::SetSoftwareKeyboard(std::unique_ptr<Frontend::SoftwareKeyboardApplet> applet) {
-    impl->software_keyboard = std::move(applet);
+Service::AM::Applets::AppletManager& System::GetAppletManager() {
+    return impl->applet_manager;
 }
 
-const Frontend::SoftwareKeyboardApplet& System::GetSoftwareKeyboard() const {
-    return *impl->software_keyboard;
+const Service::AM::Applets::AppletManager& System::GetAppletManager() const {
+    return impl->applet_manager;
 }
 
 void System::SetContentProvider(std::unique_ptr<FileSys::ContentProviderUnion> provider) {
@@ -514,18 +509,6 @@ void System::ClearContentProvider(FileSys::ContentProviderUnionSlot slot) {
     impl->content_provider->ClearSlot(slot);
 }
 
-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

@@ -14,9 +14,6 @@
 
 namespace Core::Frontend {
 class EmuWindow;
-class ProfileSelectApplet;
-class SoftwareKeyboardApplet;
-class WebBrowserApplet;
 } // namespace Core::Frontend
 
 namespace FileSys {
@@ -38,9 +35,18 @@ class AppLoader;
 enum class ResultStatus : u16;
 } // namespace Loader
 
-namespace Service::SM {
+namespace Service {
+
+namespace AM::Applets {
+struct AppletFrontendSet;
+class AppletManager;
+} // namespace AM::Applets
+
+namespace SM {
 class ServiceManager;
-} // namespace Service::SM
+} // namespace SM
+
+} // namespace Service
 
 namespace Tegra {
 class DebugContext;
@@ -260,18 +266,13 @@ public:
     void RegisterCheatList(const std::vector<FileSys::CheatList>& list, const std::string& build_id,
                            VAddr code_region_start, VAddr code_region_end);
 
-    void SetProfileSelector(std::unique_ptr<Frontend::ProfileSelectApplet> applet);
+    void SetAppletFrontendSet(Service::AM::Applets::AppletFrontendSet&& set);
 
-    const Frontend::ProfileSelectApplet& GetProfileSelector() const;
+    void SetDefaultAppletFrontendSet();
 
-    void SetSoftwareKeyboard(std::unique_ptr<Frontend::SoftwareKeyboardApplet> applet);
+    Service::AM::Applets::AppletManager& GetAppletManager();
 
-    const Frontend::SoftwareKeyboardApplet& GetSoftwareKeyboard() const;
-
-    void SetWebBrowser(std::unique_ptr<Frontend::WebBrowserApplet> applet);
-
-    Frontend::WebBrowserApplet& GetWebBrowser();
-    const Frontend::WebBrowserApplet& GetWebBrowser() const;
+    const Service::AM::Applets::AppletManager& GetAppletManager() const;
 
     void SetContentProvider(std::unique_ptr<FileSys::ContentProviderUnion> provider);
 

src/core/cpu_core_manager.cpp

@@ -19,17 +19,19 @@ void RunCpuCore(const System& system, Cpu& cpu_state) {
 }
 } // Anonymous namespace
 
-CpuCoreManager::CpuCoreManager() = default;
+CpuCoreManager::CpuCoreManager(System& system) : system{system} {}
 CpuCoreManager::~CpuCoreManager() = default;
 
-void CpuCoreManager::Initialize(System& system) {
+void CpuCoreManager::Initialize() {
     barrier = std::make_unique<CpuBarrier>();
     exclusive_monitor = Cpu::MakeExclusiveMonitor(cores.size());
 
     for (std::size_t index = 0; index < cores.size(); ++index) {
         cores[index] = std::make_unique<Cpu>(system, *exclusive_monitor, *barrier, index);
     }
+}
 
+void CpuCoreManager::StartThreads() {
     // Create threads for CPU cores 1-3, and build thread_to_cpu map
     // CPU core 0 is run on the main thread
     thread_to_cpu[std::this_thread::get_id()] = cores[0].get();

src/core/cpu_core_manager.h

@@ -18,7 +18,7 @@ class System;
 
 class CpuCoreManager {
 public:
-    CpuCoreManager();
+    explicit CpuCoreManager(System& system);
     CpuCoreManager(const CpuCoreManager&) = delete;
     CpuCoreManager(CpuCoreManager&&) = delete;
 
@@ -27,7 +27,8 @@ public:
     CpuCoreManager& operator=(const CpuCoreManager&) = delete;
     CpuCoreManager& operator=(CpuCoreManager&&) = delete;
 
-    void Initialize(System& system);
+    void Initialize();
+    void StartThreads();
     void Shutdown();
 
     Cpu& GetCore(std::size_t index);
@@ -54,6 +55,8 @@ private:
 
     /// Map of guest threads to CPU cores
     std::map<std::thread::id, Cpu*> thread_to_cpu;
+
+    System& system;
 };
 
 } // namespace Core

src/core/frontend/applets/error.cpp

@@ -0,0 +1,34 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/frontend/applets/error.h"
+
+namespace Core::Frontend {
+
+ErrorApplet::~ErrorApplet() = default;
+
+void DefaultErrorApplet::ShowError(ResultCode error, std::function<void()> finished) const {
+    LOG_CRITICAL(Service_Fatal, "Application requested error display: {:04}-{:04} (raw={:08X})",
+                 static_cast<u32>(error.module.Value()), error.description.Value(), error.raw);
+}
+
+void DefaultErrorApplet::ShowErrorWithTimestamp(ResultCode error, std::chrono::seconds time,
+                                                std::function<void()> finished) const {
+    LOG_CRITICAL(
+        Service_Fatal,
+        "Application requested error display: {:04X}-{:04X} (raw={:08X}) with timestamp={:016X}",
+        static_cast<u32>(error.module.Value()), error.description.Value(), error.raw, time.count());
+}
+
+void DefaultErrorApplet::ShowCustomErrorText(ResultCode error, std::string main_text,
+                                             std::string detail_text,
+                                             std::function<void()> finished) const {
+    LOG_CRITICAL(Service_Fatal,
+                 "Application requested custom error with error_code={:04X}-{:04X} (raw={:08X})",
+                 static_cast<u32>(error.module.Value()), error.description.Value(), error.raw);
+    LOG_CRITICAL(Service_Fatal, "    Main Text: {}", main_text);
+    LOG_CRITICAL(Service_Fatal, "    Detail Text: {}", detail_text);
+}
+
+} // namespace Core::Frontend

src/core/frontend/applets/error.h

@@ -0,0 +1,37 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <chrono>
+#include <functional>
+
+#include "core/hle/result.h"
+
+namespace Core::Frontend {
+
+class ErrorApplet {
+public:
+    virtual ~ErrorApplet();
+
+    virtual void ShowError(ResultCode error, std::function<void()> finished) const = 0;
+
+    virtual void ShowErrorWithTimestamp(ResultCode error, std::chrono::seconds time,
+                                        std::function<void()> finished) const = 0;
+
+    virtual void ShowCustomErrorText(ResultCode error, std::string dialog_text,
+                                     std::string fullscreen_text,
+                                     std::function<void()> finished) const = 0;
+};
+
+class DefaultErrorApplet final : public ErrorApplet {
+public:
+    void ShowError(ResultCode error, std::function<void()> finished) const override;
+    void ShowErrorWithTimestamp(ResultCode error, std::chrono::seconds time,
+                                std::function<void()> finished) const override;
+    void ShowCustomErrorText(ResultCode error, std::string main_text, std::string detail_text,
+                             std::function<void()> finished) const override;
+};
+
+} // namespace Core::Frontend

src/core/frontend/applets/general_frontend.cpp

@@ -0,0 +1,27 @@
+// Copyright 2019 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/general_frontend.h"
+
+namespace Core::Frontend {
+
+PhotoViewerApplet::~PhotoViewerApplet() = default;
+
+DefaultPhotoViewerApplet::~DefaultPhotoViewerApplet() {}
+
+void DefaultPhotoViewerApplet::ShowPhotosForApplication(u64 title_id,
+                                                        std::function<void()> finished) const {
+    LOG_INFO(Service_AM,
+             "Application requested frontend to display stored photos for title_id={:016X}",
+             title_id);
+    finished();
+}
+
+void DefaultPhotoViewerApplet::ShowAllPhotos(std::function<void()> finished) const {
+    LOG_INFO(Service_AM, "Application requested frontend to display all stored photos.");
+    finished();
+}
+
+} // namespace Core::Frontend

src/core/frontend/applets/general_frontend.h

@@ -0,0 +1,28 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+#include "common/common_types.h"
+
+namespace Core::Frontend {
+
+class PhotoViewerApplet {
+public:
+    virtual ~PhotoViewerApplet();
+
+    virtual void ShowPhotosForApplication(u64 title_id, std::function<void()> finished) const = 0;
+    virtual void ShowAllPhotos(std::function<void()> finished) const = 0;
+};
+
+class DefaultPhotoViewerApplet final : public PhotoViewerApplet {
+public:
+    ~DefaultPhotoViewerApplet() override;
+
+    void ShowPhotosForApplication(u64 title_id, std::function<void()> finished) const override;
+    void ShowAllPhotos(std::function<void()> finished) const override;
+};
+
+} // namespace Core::Frontend

src/core/hle/kernel/kernel.cpp

@@ -181,7 +181,12 @@ void KernelCore::AppendNewProcess(SharedPtr<Process> process) {
 
 void KernelCore::MakeCurrentProcess(Process* process) {
     impl->current_process = process;
-    Memory::SetCurrentPageTable(&process->VMManager().page_table);
+
+    if (process == nullptr) {
+        return;
+    }
+
+    Memory::SetCurrentPageTable(*process);
 }
 
 Process* KernelCore::CurrentProcess() {

src/core/hle/kernel/process.cpp

@@ -28,21 +28,20 @@ namespace {
  *
  * @param owner_process The parent process for the main thread
  * @param kernel The kernel instance to create the main thread under.
- * @param entry_point The address at which the thread should start execution
  * @param priority The priority to give the main thread
  */
-void SetupMainThread(Process& owner_process, KernelCore& kernel, VAddr entry_point, u32 priority) {
-    // Initialize new "main" thread
-    const VAddr stack_top = owner_process.VMManager().GetTLSIORegionEndAddress();
+void SetupMainThread(Process& owner_process, KernelCore& kernel, u32 priority) {
+    const auto& vm_manager = owner_process.VMManager();
+    const VAddr entry_point = vm_manager.GetCodeRegionBaseAddress();
+    const VAddr stack_top = vm_manager.GetTLSIORegionEndAddress();
     auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0,
                                      owner_process.GetIdealCore(), stack_top, owner_process);
 
     SharedPtr<Thread> thread = std::move(thread_res).Unwrap();
 
     // Register 1 must be a handle to the main thread
-    const Handle guest_handle = owner_process.GetHandleTable().Create(thread).Unwrap();
-    thread->SetGuestHandle(guest_handle);
-    thread->GetContext().cpu_registers[1] = guest_handle;
+    const Handle thread_handle = owner_process.GetHandleTable().Create(thread).Unwrap();
+    thread->GetContext().cpu_registers[1] = thread_handle;
 
     // Threads by default are dormant, wake up the main thread so it runs when the scheduler fires
     thread->ResumeFromWait();
@@ -106,8 +105,6 @@ ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
     is_64bit_process = metadata.Is64BitProgram();
 
     vm_manager.Reset(metadata.GetAddressSpaceType());
-    // Ensure that the potentially resized page table is seen by CPU backends.
-    Memory::SetCurrentPageTable(&vm_manager.page_table);
 
     const auto& caps = metadata.GetKernelCapabilities();
     const auto capability_init_result =
@@ -119,7 +116,7 @@ ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
     return handle_table.SetSize(capabilities.GetHandleTableSize());
 }
 
-void Process::Run(VAddr entry_point, s32 main_thread_priority, u64 stack_size) {
+void Process::Run(s32 main_thread_priority, u64 stack_size) {
     // The kernel always ensures that the given stack size is page aligned.
     main_thread_stack_size = Common::AlignUp(stack_size, Memory::PAGE_SIZE);
 
@@ -135,7 +132,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u64 stack_size) {
     vm_manager.LogLayout();
     ChangeStatus(ProcessStatus::Running);
 
-    SetupMainThread(*this, kernel, entry_point, main_thread_priority);
+    SetupMainThread(*this, kernel, main_thread_priority);
 }
 
 void Process::PrepareForTermination() {
@@ -241,13 +238,11 @@ void Process::LoadModule(CodeSet module_, VAddr base_addr) {
     MapSegment(module_.DataSegment(), VMAPermission::ReadWrite, MemoryState::CodeData);
 
     code_memory_size += module_.memory.size();
-
-    // Clear instruction cache in CPU JIT
-    system.InvalidateCpuInstructionCaches();
 }
 
 Process::Process(Core::System& system)
-    : WaitObject{system.Kernel()}, address_arbiter{system}, mutex{system}, system{system} {}
+    : WaitObject{system.Kernel()}, vm_manager{system},
+      address_arbiter{system}, mutex{system}, system{system} {}
 
 Process::~Process() = default;
 

src/core/hle/kernel/process.h

@@ -225,9 +225,12 @@ public:
     ResultCode LoadFromMetadata(const FileSys::ProgramMetadata& metadata);
 
     /**
-     * Applies address space changes and launches the process main thread.
+     * Starts the main application thread for this process.
+     *
+     * @param main_thread_priority The priority for the main thread.
+     * @param stack_size           The stack size for the main thread in bytes.
      */
-    void Run(VAddr entry_point, s32 main_thread_priority, u64 stack_size);
+    void Run(s32 main_thread_priority, u64 stack_size);
 
     /**
      * Prepares a process for termination by stopping all of its threads

src/core/hle/kernel/svc.cpp

@@ -1378,20 +1378,22 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e
         return ERR_INVALID_THREAD_PRIORITY;
     }
 
-    const std::string name = fmt::format("thread-{:X}", entry_point);
     auto& kernel = system.Kernel();
     CASCADE_RESULT(SharedPtr<Thread> thread,
-                   Thread::Create(kernel, name, entry_point, priority, arg, processor_id, stack_top,
+                   Thread::Create(kernel, "", entry_point, priority, arg, processor_id, stack_top,
                                   *current_process));
 
-    const auto new_guest_handle = current_process->GetHandleTable().Create(thread);
-    if (new_guest_handle.Failed()) {
+    const auto new_thread_handle = current_process->GetHandleTable().Create(thread);
+    if (new_thread_handle.Failed()) {
         LOG_ERROR(Kernel_SVC, "Failed to create handle with error=0x{:X}",
-                  new_guest_handle.Code().raw);
-        return new_guest_handle.Code();
+                  new_thread_handle.Code().raw);
+        return new_thread_handle.Code();
     }
-    thread->SetGuestHandle(*new_guest_handle);
-    *out_handle = *new_guest_handle;
+    *out_handle = *new_thread_handle;
+
+    // Set the thread name for debugging purposes.
+    thread->SetName(
+        fmt::format("thread[entry_point={:X}, handle={:X}]", entry_point, *new_thread_handle));
 
     system.CpuCore(thread->GetProcessorID()).PrepareReschedule();
 
@@ -2286,7 +2288,7 @@ static const FunctionDef SVC_Table[] = {
     {0x33, SvcWrap<GetThreadContext>, "GetThreadContext"},
     {0x34, SvcWrap<WaitForAddress>, "WaitForAddress"},
     {0x35, SvcWrap<SignalToAddress>, "SignalToAddress"},
-    {0x36, nullptr, "Unknown"},
+    {0x36, nullptr, "SynchronizePreemptionState"},
     {0x37, nullptr, "Unknown"},
     {0x38, nullptr, "Unknown"},
     {0x39, nullptr, "Unknown"},

src/core/hle/kernel/thread.h

@@ -101,6 +101,11 @@ public:
     std::string GetName() const override {
         return name;
     }
+
+    void SetName(std::string new_name) {
+        name = std::move(new_name);
+    }
+
     std::string GetTypeName() const override {
         return "Thread";
     }
@@ -343,10 +348,6 @@ public:
         arb_wait_address = address;
     }
 
-    void SetGuestHandle(Handle handle) {
-        guest_handle = handle;
-    }
-
     bool HasWakeupCallback() const {
         return wakeup_callback != nullptr;
     }
@@ -440,9 +441,6 @@ private:
     /// If waiting for an AddressArbiter, this is the address being waited on.
     VAddr arb_wait_address{0};
 
-    /// Handle used by guest emulated application to access this thread
-    Handle guest_handle = 0;
-
     /// Handle used as userdata to reference this object when inserting into the CoreTiming queue.
     Handle callback_handle = 0;
 

src/core/hle/kernel/vm_manager.cpp

@@ -62,7 +62,7 @@ bool VirtualMemoryArea::CanBeMergedWith(const VirtualMemoryArea& next) const {
     return true;
 }
 
-VMManager::VMManager() {
+VMManager::VMManager(Core::System& system) : system{system} {
     // Default to assuming a 39-bit address space. This way we have a sane
     // starting point with executables that don't provide metadata.
     Reset(FileSys::ProgramAddressSpaceType::Is39Bit);
@@ -111,7 +111,6 @@ ResultVal<VMManager::VMAHandle> VMManager::MapMemoryBlock(VAddr target,
     VirtualMemoryArea& final_vma = vma_handle->second;
     ASSERT(final_vma.size == size);
 
-    auto& system = Core::System::GetInstance();
     system.ArmInterface(0).MapBackingMemory(target, size, block->data() + offset,
                                             VMAPermission::ReadWriteExecute);
     system.ArmInterface(1).MapBackingMemory(target, size, block->data() + offset,
@@ -140,7 +139,6 @@ ResultVal<VMManager::VMAHandle> VMManager::MapBackingMemory(VAddr target, u8* me
     VirtualMemoryArea& final_vma = vma_handle->second;
     ASSERT(final_vma.size == size);
 
-    auto& system = Core::System::GetInstance();
     system.ArmInterface(0).MapBackingMemory(target, size, memory, VMAPermission::ReadWriteExecute);
     system.ArmInterface(1).MapBackingMemory(target, size, memory, VMAPermission::ReadWriteExecute);
     system.ArmInterface(2).MapBackingMemory(target, size, memory, VMAPermission::ReadWriteExecute);
@@ -223,7 +221,6 @@ ResultCode VMManager::UnmapRange(VAddr target, u64 size) {
 
     ASSERT(FindVMA(target)->second.size >= size);
 
-    auto& system = Core::System::GetInstance();
     system.ArmInterface(0).UnmapMemory(target, size);
     system.ArmInterface(1).UnmapMemory(target, size);
     system.ArmInterface(2).UnmapMemory(target, size);
@@ -376,7 +373,7 @@ ResultCode VMManager::UnmapCodeMemory(VAddr dst_address, VAddr src_address, u64
     Reprotect(src_vma_iter, VMAPermission::ReadWrite);
 
     if (dst_memory_state == MemoryState::ModuleCode) {
-        Core::System::GetInstance().InvalidateCpuInstructionCaches();
+        system.InvalidateCpuInstructionCaches();
     }
 
     return unmap_result;

src/core/hle/kernel/vm_manager.h

@@ -14,6 +14,10 @@
 #include "core/hle/result.h"
 #include "core/memory.h"
 
+namespace Core {
+class System;
+}
+
 namespace FileSys {
 enum class ProgramAddressSpaceType : u8;
 }
@@ -321,7 +325,7 @@ class VMManager final {
 public:
     using VMAHandle = VMAMap::const_iterator;
 
-    VMManager();
+    explicit VMManager(Core::System& system);
     ~VMManager();
 
     /// Clears the address space map, re-initializing with a single free area.
@@ -712,5 +716,7 @@ private:
     // The end of the currently allocated heap. This is not an inclusive
     // end of the range. This is essentially 'base_address + current_size'.
     VAddr heap_end = 0;
+
+    Core::System& system;
 };
 } // namespace Kernel

src/core/hle/kernel/wait_object.cpp

@@ -30,7 +30,7 @@ void WaitObject::RemoveWaitingThread(Thread* thread) {
         waiting_threads.erase(itr);
 }
 
-SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() {
+SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() const {
     Thread* candidate = nullptr;
     u32 candidate_priority = THREADPRIO_LOWEST + 1;
 

src/core/hle/kernel/wait_object.h

@@ -54,7 +54,7 @@ public:
     void WakeupWaitingThread(SharedPtr<Thread> thread);
 
     /// Obtains the highest priority thread that is ready to run from this object's waiting list.
-    SharedPtr<Thread> GetHighestPriorityReadyThread();
+    SharedPtr<Thread> GetHighestPriorityReadyThread() const;
 
     /// Get a const reference to the waiting threads list for debug use
     const std::vector<SharedPtr<Thread>>& GetWaitingThreads() const;

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

@@ -22,7 +22,6 @@
 #include "core/hle/service/am/applets/applets.h"
 #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"
@@ -42,12 +41,6 @@ constexpr ResultCode ERR_NO_DATA_IN_CHANNEL{ErrorModule::AM, 0x2};
 constexpr ResultCode ERR_NO_MESSAGES{ErrorModule::AM, 0x3};
 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;
 
 struct LaunchParameters {
@@ -886,30 +879,16 @@ ILibraryAppletCreator::ILibraryAppletCreator() : ServiceFramework("ILibraryApple
 
 ILibraryAppletCreator::~ILibraryAppletCreator() = default;
 
-static std::shared_ptr<Applets::Applet> GetAppletFromId(AppletId id) {
-    switch (id) {
-    case AppletId::ProfileSelect:
-        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));
-        return std::make_shared<Applets::StubApplet>();
-    }
-}
-
 void ILibraryAppletCreator::CreateLibraryApplet(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    const auto applet_id = rp.PopRaw<AppletId>();
+    const auto applet_id = rp.PopRaw<Applets::AppletId>();
     const auto applet_mode = rp.PopRaw<u32>();
 
     LOG_DEBUG(Service_AM, "called with applet_id={:08X}, applet_mode={:08X}",
               static_cast<u32>(applet_id), applet_mode);
 
-    const auto applet = GetAppletFromId(applet_id);
+    const auto& applet_manager{Core::System::GetInstance().GetAppletManager()};
+    const auto applet = applet_manager.GetApplet(applet_id);
 
     if (applet == nullptr) {
         LOG_ERROR(Service_AM, "Applet doesn't exist! applet_id={}", static_cast<u32>(applet_id));

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

@@ -5,11 +5,21 @@
 #include <cstring>
 #include "common/assert.h"
 #include "core/core.h"
+#include "core/frontend/applets/error.h"
+#include "core/frontend/applets/general_frontend.h"
+#include "core/frontend/applets/profile_select.h"
+#include "core/frontend/applets/software_keyboard.h"
+#include "core/frontend/applets/web_browser.h"
 #include "core/hle/kernel/readable_event.h"
 #include "core/hle/kernel/server_session.h"
 #include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/applets.h"
+#include "core/hle/service/am/applets/error.h"
+#include "core/hle/service/am/applets/general_backend.h"
+#include "core/hle/service/am/applets/profile_select.h"
+#include "core/hle/service/am/applets/software_keyboard.h"
+#include "core/hle/service/am/applets/web_browser.h"
 
 namespace Service::AM::Applets {
 
@@ -111,4 +121,76 @@ void Applet::Initialize() {
     initialized = true;
 }
 
+AppletManager::AppletManager() = default;
+
+AppletManager::~AppletManager() = default;
+
+void AppletManager::SetAppletFrontendSet(AppletFrontendSet set) {
+    if (set.error != nullptr)
+        frontend.error = std::move(set.error);
+    if (set.photo_viewer != nullptr)
+        frontend.photo_viewer = std::move(set.photo_viewer);
+    if (set.profile_select != nullptr)
+        frontend.profile_select = std::move(set.profile_select);
+    if (set.software_keyboard != nullptr)
+        frontend.software_keyboard = std::move(set.software_keyboard);
+    if (set.web_browser != nullptr)
+        frontend.web_browser = std::move(set.web_browser);
+}
+
+void AppletManager::SetDefaultAppletFrontendSet() {
+    frontend.error = std::make_unique<Core::Frontend::DefaultErrorApplet>();
+    frontend.photo_viewer = std::make_unique<Core::Frontend::DefaultPhotoViewerApplet>();
+    frontend.profile_select = std::make_unique<Core::Frontend::DefaultProfileSelectApplet>();
+    frontend.software_keyboard = std::make_unique<Core::Frontend::DefaultSoftwareKeyboardApplet>();
+    frontend.web_browser = std::make_unique<Core::Frontend::DefaultWebBrowserApplet>();
+}
+
+void AppletManager::SetDefaultAppletsIfMissing() {
+    if (frontend.error == nullptr) {
+        frontend.error = std::make_unique<Core::Frontend::DefaultErrorApplet>();
+    }
+
+    if (frontend.photo_viewer == nullptr) {
+        frontend.photo_viewer = std::make_unique<Core::Frontend::DefaultPhotoViewerApplet>();
+    }
+
+    if (frontend.profile_select == nullptr) {
+        frontend.profile_select = std::make_unique<Core::Frontend::DefaultProfileSelectApplet>();
+    }
+
+    if (frontend.software_keyboard == nullptr) {
+        frontend.software_keyboard =
+            std::make_unique<Core::Frontend::DefaultSoftwareKeyboardApplet>();
+    }
+
+    if (frontend.web_browser == nullptr) {
+        frontend.web_browser = std::make_unique<Core::Frontend::DefaultWebBrowserApplet>();
+    }
+}
+
+void AppletManager::ClearAll() {
+    frontend = {};
+}
+
+std::shared_ptr<Applet> AppletManager::GetApplet(AppletId id) const {
+    switch (id) {
+    case AppletId::Error:
+        return std::make_shared<Error>(*frontend.error);
+    case AppletId::ProfileSelect:
+        return std::make_shared<ProfileSelect>(*frontend.profile_select);
+    case AppletId::SoftwareKeyboard:
+        return std::make_shared<SoftwareKeyboard>(*frontend.software_keyboard);
+    case AppletId::PhotoViewer:
+        return std::make_shared<PhotoViewer>(*frontend.photo_viewer);
+    case AppletId::LibAppletOff:
+        return std::make_shared<WebBrowser>(*frontend.web_browser);
+    default:
+        UNIMPLEMENTED_MSG(
+            "No backend implementation exists for applet_id={:02X}! Falling back to stub applet.",
+            static_cast<u8>(id));
+        return std::make_shared<StubApplet>();
+    }
+}
+
 } // namespace Service::AM::Applets

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

@@ -12,12 +12,43 @@
 
 union ResultCode;
 
+namespace Core::Frontend {
+class ErrorApplet;
+class PhotoViewerApplet;
+class ProfileSelectApplet;
+class SoftwareKeyboardApplet;
+class WebBrowserApplet;
+} // namespace Core::Frontend
+
 namespace Service::AM {
 
 class IStorage;
 
 namespace Applets {
 
+enum class AppletId : u32 {
+    OverlayDisplay = 0x02,
+    QLaunch = 0x03,
+    Starter = 0x04,
+    Auth = 0x0A,
+    Cabinet = 0x0B,
+    Controller = 0x0C,
+    DataErase = 0x0D,
+    Error = 0x0E,
+    NetConnect = 0x0F,
+    ProfileSelect = 0x10,
+    SoftwareKeyboard = 0x11,
+    MiiEdit = 0x12,
+    LibAppletWeb = 0x13,
+    LibAppletShop = 0x14,
+    PhotoViewer = 0x15,
+    Settings = 0x16,
+    LibAppletOff = 0x17,
+    LibAppletWhitelisted = 0x18,
+    LibAppletAuth = 0x19,
+    MyPage = 0x1A,
+};
+
 class AppletDataBroker final {
 public:
     AppletDataBroker();
@@ -105,5 +136,29 @@ protected:
     bool initialized = false;
 };
 
+struct AppletFrontendSet {
+    std::unique_ptr<Core::Frontend::ErrorApplet> error;
+    std::unique_ptr<Core::Frontend::PhotoViewerApplet> photo_viewer;
+    std::unique_ptr<Core::Frontend::ProfileSelectApplet> profile_select;
+    std::unique_ptr<Core::Frontend::SoftwareKeyboardApplet> software_keyboard;
+    std::unique_ptr<Core::Frontend::WebBrowserApplet> web_browser;
+};
+
+class AppletManager {
+public:
+    AppletManager();
+    ~AppletManager();
+
+    void SetAppletFrontendSet(AppletFrontendSet set);
+    void SetDefaultAppletFrontendSet();
+    void SetDefaultAppletsIfMissing();
+    void ClearAll();
+
+    std::shared_ptr<Applet> GetApplet(AppletId id) const;
+
+private:
+    AppletFrontendSet frontend;
+};
+
 } // namespace Applets
 } // namespace Service::AM

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

@@ -0,0 +1,182 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <array>
+#include <cstring>
+#include "common/assert.h"
+#include "common/logging/log.h"
+#include "common/string_util.h"
+#include "core/core.h"
+#include "core/frontend/applets/error.h"
+#include "core/hle/service/am/am.h"
+#include "core/hle/service/am/applets/error.h"
+
+namespace Service::AM::Applets {
+
+#pragma pack(push, 4)
+struct ShowError {
+    u8 mode;
+    bool jump;
+    INSERT_PADDING_BYTES(4);
+    bool use_64bit_error_code;
+    INSERT_PADDING_BYTES(1);
+    u64 error_code_64;
+    u32 error_code_32;
+};
+static_assert(sizeof(ShowError) == 0x14, "ShowError has incorrect size.");
+#pragma pack(pop)
+
+struct ShowErrorRecord {
+    u8 mode;
+    bool jump;
+    INSERT_PADDING_BYTES(6);
+    u64 error_code_64;
+    u64 posix_time;
+};
+static_assert(sizeof(ShowErrorRecord) == 0x18, "ShowErrorRecord has incorrect size.");
+
+struct SystemErrorArg {
+    u8 mode;
+    bool jump;
+    INSERT_PADDING_BYTES(6);
+    u64 error_code_64;
+    std::array<char, 8> language_code;
+    std::array<char, 0x800> main_text;
+    std::array<char, 0x800> detail_text;
+};
+static_assert(sizeof(SystemErrorArg) == 0x1018, "SystemErrorArg has incorrect size.");
+
+struct ApplicationErrorArg {
+    u8 mode;
+    bool jump;
+    INSERT_PADDING_BYTES(6);
+    u32 error_code;
+    std::array<char, 8> language_code;
+    std::array<char, 0x800> main_text;
+    std::array<char, 0x800> detail_text;
+};
+static_assert(sizeof(ApplicationErrorArg) == 0x1014, "ApplicationErrorArg has incorrect size.");
+
+union Error::ErrorArguments {
+    ShowError error;
+    ShowErrorRecord error_record;
+    SystemErrorArg system_error;
+    ApplicationErrorArg application_error;
+};
+
+namespace {
+template <typename T>
+void CopyArgumentData(const std::vector<u8>& data, T& variable) {
+    ASSERT(data.size() >= sizeof(T));
+    std::memcpy(&variable, data.data(), sizeof(T));
+}
+
+ResultCode Decode64BitError(u64 error) {
+    const auto description = (error >> 32) & 0x1FFF;
+    auto module = error & 0x3FF;
+    if (module >= 2000)
+        module -= 2000;
+    module &= 0x1FF;
+    return {static_cast<ErrorModule>(module), static_cast<u32>(description)};
+}
+
+} // Anonymous namespace
+
+Error::Error(const Core::Frontend::ErrorApplet& frontend) : frontend(frontend) {}
+
+Error::~Error() = default;
+
+void Error::Initialize() {
+    Applet::Initialize();
+    args = std::make_unique<ErrorArguments>();
+    complete = false;
+
+    const auto storage = broker.PopNormalDataToApplet();
+    ASSERT(storage != nullptr);
+    const auto data = storage->GetData();
+
+    ASSERT(!data.empty());
+    std::memcpy(&mode, data.data(), sizeof(ErrorAppletMode));
+
+    switch (mode) {
+    case ErrorAppletMode::ShowError:
+        CopyArgumentData(data, args->error);
+        if (args->error.use_64bit_error_code) {
+            error_code = Decode64BitError(args->error.error_code_64);
+        } else {
+            error_code = ResultCode(args->error.error_code_32);
+        }
+        break;
+    case ErrorAppletMode::ShowSystemError:
+        CopyArgumentData(data, args->system_error);
+        error_code = ResultCode(Decode64BitError(args->system_error.error_code_64));
+        break;
+    case ErrorAppletMode::ShowApplicationError:
+        CopyArgumentData(data, args->application_error);
+        error_code = ResultCode(args->application_error.error_code);
+        break;
+    case ErrorAppletMode::ShowErrorRecord:
+        CopyArgumentData(data, args->error_record);
+        error_code = Decode64BitError(args->error_record.error_code_64);
+        break;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented LibAppletError mode={:02X}!", static_cast<u8>(mode));
+    }
+}
+
+bool Error::TransactionComplete() const {
+    return complete;
+}
+
+ResultCode Error::GetStatus() const {
+    return RESULT_SUCCESS;
+}
+
+void Error::ExecuteInteractive() {
+    UNREACHABLE_MSG("Unexpected interactive applet data!");
+}
+
+void Error::Execute() {
+    if (complete) {
+        return;
+    }
+
+    const auto callback = [this] { DisplayCompleted(); };
+
+    switch (mode) {
+    case ErrorAppletMode::ShowError:
+        frontend.ShowError(error_code, callback);
+        break;
+    case ErrorAppletMode::ShowSystemError:
+    case ErrorAppletMode::ShowApplicationError: {
+        const auto system = mode == ErrorAppletMode::ShowSystemError;
+        const auto& main_text =
+            system ? args->system_error.main_text : args->application_error.main_text;
+        const auto& detail_text =
+            system ? args->system_error.detail_text : args->application_error.detail_text;
+
+        frontend.ShowCustomErrorText(
+            error_code,
+            Common::StringFromFixedZeroTerminatedBuffer(main_text.data(), main_text.size()),
+            Common::StringFromFixedZeroTerminatedBuffer(detail_text.data(), detail_text.size()),
+            callback);
+        break;
+    }
+    case ErrorAppletMode::ShowErrorRecord:
+        frontend.ShowErrorWithTimestamp(
+            error_code, std::chrono::seconds{args->error_record.posix_time}, callback);
+        break;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented LibAppletError mode={:02X}!", static_cast<u8>(mode));
+        DisplayCompleted();
+    }
+}
+
+void Error::DisplayCompleted() {
+    complete = true;
+    broker.PushNormalDataFromApplet(IStorage{{}});
+    broker.SignalStateChanged();
+}
+
+} // namespace Service::AM::Applets

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

@@ -0,0 +1,47 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/result.h"
+#include "core/hle/service/am/applets/applets.h"
+
+namespace Service::AM::Applets {
+
+enum class ErrorAppletMode : u8 {
+    ShowError = 0,
+    ShowSystemError = 1,
+    ShowApplicationError = 2,
+    ShowEula = 3,
+    ShowErrorPctl = 4,
+    ShowErrorRecord = 5,
+    ShowUpdateEula = 8,
+};
+
+class Error final : public Applet {
+public:
+    explicit Error(const Core::Frontend::ErrorApplet& frontend);
+    ~Error() override;
+
+    void Initialize() override;
+
+    bool TransactionComplete() const override;
+    ResultCode GetStatus() const override;
+    void ExecuteInteractive() override;
+    void Execute() override;
+
+    void DisplayCompleted();
+
+private:
+    union ErrorArguments;
+
+    const Core::Frontend::ErrorApplet& frontend;
+    ResultCode error_code = RESULT_SUCCESS;
+    ErrorAppletMode mode = ErrorAppletMode::ShowError;
+    std::unique_ptr<ErrorArguments> args;
+
+    bool complete = false;
+};
+
+} // namespace Service::AM::Applets

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

@@ -4,11 +4,15 @@
 
 #include <string>
 
+#include "common/assert.h"
 #include "common/hex_util.h"
 #include "common/logging/log.h"
+#include "core/core.h"
+#include "core/frontend/applets/general_frontend.h"
+#include "core/hle/kernel/process.h"
 #include "core/hle/result.h"
 #include "core/hle/service/am/am.h"
-#include "core/hle/service/am/applets/stub_applet.h"
+#include "core/hle/service/am/applets/general_backend.h"
 
 namespace Service::AM::Applets {
 
@@ -30,6 +34,55 @@ static void LogCurrentStorage(AppletDataBroker& broker, std::string prefix) {
     }
 }
 
+PhotoViewer::PhotoViewer(const Core::Frontend::PhotoViewerApplet& frontend) : frontend(frontend) {}
+
+PhotoViewer::~PhotoViewer() = default;
+
+void PhotoViewer::Initialize() {
+    Applet::Initialize();
+    complete = false;
+
+    const auto storage = broker.PopNormalDataToApplet();
+    ASSERT(storage != nullptr);
+    const auto data = storage->GetData();
+    ASSERT(!data.empty());
+    mode = static_cast<PhotoViewerAppletMode>(data[0]);
+}
+
+bool PhotoViewer::TransactionComplete() const {
+    return complete;
+}
+
+ResultCode PhotoViewer::GetStatus() const {
+    return RESULT_SUCCESS;
+}
+
+void PhotoViewer::ExecuteInteractive() {
+    UNREACHABLE_MSG("Unexpected interactive applet data.");
+}
+
+void PhotoViewer::Execute() {
+    if (complete)
+        return;
+
+    const auto callback = [this] { ViewFinished(); };
+    switch (mode) {
+    case PhotoViewerAppletMode::CurrentApp:
+        frontend.ShowPhotosForApplication(Core::CurrentProcess()->GetTitleID(), callback);
+        break;
+    case PhotoViewerAppletMode::AllApps:
+        frontend.ShowAllPhotos(callback);
+        break;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented PhotoViewer applet mode={:02X}!", static_cast<u8>(mode));
+    }
+}
+
+void PhotoViewer::ViewFinished() {
+    broker.PushNormalDataFromApplet(IStorage{{}});
+    broker.SignalStateChanged();
+}
+
 StubApplet::StubApplet() = default;
 
 StubApplet::~StubApplet() = default;
@@ -67,4 +120,5 @@ void StubApplet::Execute() {
     broker.PushInteractiveDataFromApplet(IStorage{std::vector<u8>(0x1000)});
     broker.SignalStateChanged();
 }
+
 } // namespace Service::AM::Applets

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

@@ -0,0 +1,48 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/am/applets/applets.h"
+
+namespace Service::AM::Applets {
+
+enum class PhotoViewerAppletMode : u8 {
+    CurrentApp = 0,
+    AllApps = 1,
+};
+
+class PhotoViewer final : public Applet {
+public:
+    explicit PhotoViewer(const Core::Frontend::PhotoViewerApplet& frontend);
+    ~PhotoViewer() override;
+
+    void Initialize() override;
+    bool TransactionComplete() const override;
+    ResultCode GetStatus() const override;
+    void ExecuteInteractive() override;
+    void Execute() override;
+
+    void ViewFinished();
+
+private:
+    const Core::Frontend::PhotoViewerApplet& frontend;
+    bool complete = false;
+    PhotoViewerAppletMode mode = PhotoViewerAppletMode::CurrentApp;
+};
+
+class StubApplet final : public Applet {
+public:
+    StubApplet();
+    ~StubApplet() override;
+
+    void Initialize() override;
+
+    bool TransactionComplete() const override;
+    ResultCode GetStatus() const override;
+    void ExecuteInteractive() override;
+    void Execute() override;
+};
+
+} // namespace Service::AM::Applets

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

@@ -15,7 +15,9 @@ namespace Service::AM::Applets {
 
 constexpr ResultCode ERR_USER_CANCELLED_SELECTION{ErrorModule::Account, 1};
 
-ProfileSelect::ProfileSelect() = default;
+ProfileSelect::ProfileSelect(const Core::Frontend::ProfileSelectApplet& frontend)
+    : frontend(frontend) {}
+
 ProfileSelect::~ProfileSelect() = default;
 
 void ProfileSelect::Initialize() {
@@ -51,8 +53,6 @@ void ProfileSelect::Execute() {
         return;
     }
 
-    const auto& frontend{Core::System::GetInstance().GetProfileSelector()};
-
     frontend.SelectProfile([this](std::optional<Account::UUID> uuid) { SelectionComplete(uuid); });
 }
 

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

@@ -28,7 +28,7 @@ static_assert(sizeof(UserSelectionOutput) == 0x18, "UserSelectionOutput has inco
 
 class ProfileSelect final : public Applet {
 public:
-    ProfileSelect();
+    explicit ProfileSelect(const Core::Frontend::ProfileSelectApplet& frontend);
     ~ProfileSelect() override;
 
     void Initialize() override;
@@ -41,6 +41,8 @@ public:
     void SelectionComplete(std::optional<Account::UUID> uuid);
 
 private:
+    const Core::Frontend::ProfileSelectApplet& frontend;
+
     UserSelectionConfig config;
     bool complete = false;
     ResultCode status = RESULT_SUCCESS;

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

@@ -39,7 +39,8 @@ static Core::Frontend::SoftwareKeyboardParameters ConvertToFrontendParameters(
     return params;
 }
 
-SoftwareKeyboard::SoftwareKeyboard() = default;
+SoftwareKeyboard::SoftwareKeyboard(const Core::Frontend::SoftwareKeyboardApplet& frontend)
+    : frontend(frontend) {}
 
 SoftwareKeyboard::~SoftwareKeyboard() = default;
 
@@ -90,8 +91,6 @@ void SoftwareKeyboard::ExecuteInteractive() {
     if (status == INTERACTIVE_STATUS_OK) {
         complete = true;
     } else {
-        const auto& frontend{Core::System::GetInstance().GetSoftwareKeyboard()};
-
         std::array<char16_t, SWKBD_OUTPUT_INTERACTIVE_BUFFER_SIZE / 2 - 2> string;
         std::memcpy(string.data(), data.data() + 4, string.size() * 2);
         frontend.SendTextCheckDialog(
@@ -106,8 +105,6 @@ void SoftwareKeyboard::Execute() {
         return;
     }
 
-    const auto& frontend{Core::System::GetInstance().GetSoftwareKeyboard()};
-
     const auto parameters = ConvertToFrontendParameters(config, initial_text);
 
     frontend.RequestText([this](std::optional<std::u16string> text) { WriteText(text); },

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

@@ -55,7 +55,7 @@ static_assert(sizeof(KeyboardConfig) == 0x3E0, "KeyboardConfig has incorrect siz
 
 class SoftwareKeyboard final : public Applet {
 public:
-    SoftwareKeyboard();
+    explicit SoftwareKeyboard(const Core::Frontend::SoftwareKeyboardApplet& frontend);
     ~SoftwareKeyboard() override;
 
     void Initialize() override;
@@ -68,6 +68,8 @@ public:
     void WriteText(std::optional<std::u16string> text);
 
 private:
+    const Core::Frontend::SoftwareKeyboardApplet& frontend;
+
     KeyboardConfig config;
     std::u16string initial_text;
     bool complete = false;

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

@@ -1,24 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include "core/hle/service/am/applets/applets.h"
-
-namespace Service::AM::Applets {
-
-class StubApplet final : public Applet {
-public:
-    StubApplet();
-    ~StubApplet() override;
-
-    void Initialize() override;
-
-    bool TransactionComplete() const override;
-    ResultCode GetStatus() const override;
-    void ExecuteInteractive() override;
-    void Execute() override;
-};
-
-} // namespace Service::AM::Applets

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

@@ -95,7 +95,7 @@ static FileSys::VirtualFile GetManualRomFS() {
     return nullptr;
 }
 
-WebBrowser::WebBrowser() = default;
+WebBrowser::WebBrowser(Core::Frontend::WebBrowserApplet& frontend) : frontend(frontend) {}
 
 WebBrowser::~WebBrowser() = default;
 
@@ -152,8 +152,6 @@ void WebBrowser::Execute() {
         return;
     }
 
-    auto& frontend{Core::System::GetInstance().GetWebBrowser()};
-
     frontend.OpenPage(filename, [this] { UnpackRomFS(); }, [this] { Finalize(); });
 }
 

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

@@ -12,7 +12,7 @@ namespace Service::AM::Applets {
 
 class WebBrowser final : public Applet {
 public:
-    WebBrowser();
+    WebBrowser(Core::Frontend::WebBrowserApplet& frontend);
     ~WebBrowser() override;
 
     void Initialize() override;
@@ -32,6 +32,8 @@ public:
     void Finalize();
 
 private:
+    Core::Frontend::WebBrowserApplet& frontend;
+
     bool complete = false;
     bool unpacked = false;
     ResultCode status = RESULT_SUCCESS;

src/core/hle/service/audio/audctl.cpp

@@ -2,6 +2,8 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include "common/logging/log.h"
+#include "core/hle/ipc_helpers.h"
 #include "core/hle/service/audio/audctl.h"
 
 namespace Service::Audio {
@@ -11,8 +13,8 @@ AudCtl::AudCtl() : ServiceFramework{"audctl"} {
     static const FunctionInfo functions[] = {
         {0, nullptr, "GetTargetVolume"},
         {1, nullptr, "SetTargetVolume"},
-        {2, nullptr, "GetTargetVolumeMin"},
-        {3, nullptr, "GetTargetVolumeMax"},
+        {2, &AudCtl::GetTargetVolumeMin, "GetTargetVolumeMin"},
+        {3, &AudCtl::GetTargetVolumeMax, "GetTargetVolumeMax"},
         {4, nullptr, "IsTargetMute"},
         {5, nullptr, "SetTargetMute"},
         {6, nullptr, "IsTargetConnected"},
@@ -44,4 +46,28 @@ AudCtl::AudCtl() : ServiceFramework{"audctl"} {
 
 AudCtl::~AudCtl() = default;
 
+void AudCtl::GetTargetVolumeMin(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Audio, "called.");
+
+    // This service function is currently hardcoded on the
+    // actual console to this value (as of 6.0.0).
+    constexpr s32 target_min_volume = 0;
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push(target_min_volume);
+}
+
+void AudCtl::GetTargetVolumeMax(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Audio, "called.");
+
+    // This service function is currently hardcoded on the
+    // actual console to this value (as of 6.0.0).
+    constexpr s32 target_max_volume = 15;
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push(target_max_volume);
+}
+
 } // namespace Service::Audio

src/core/hle/service/audio/audctl.h

@@ -12,6 +12,10 @@ class AudCtl final : public ServiceFramework<AudCtl> {
 public:
     explicit AudCtl();
     ~AudCtl() override;
+
+private:
+    void GetTargetVolumeMin(Kernel::HLERequestContext& ctx);
+    void GetTargetVolumeMax(Kernel::HLERequestContext& ctx);
 };
 
 } // namespace Service::Audio

src/core/loader/deconstructed_rom_directory.cpp

@@ -86,25 +86,29 @@ FileType AppLoader_DeconstructedRomDirectory::IdentifyType(const FileSys::Virtua
     return FileType::Error;
 }
 
-ResultStatus AppLoader_DeconstructedRomDirectory::Load(Kernel::Process& process) {
+AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirectory::Load(
+    Kernel::Process& process) {
     if (is_loaded) {
-        return ResultStatus::ErrorAlreadyLoaded;
+        return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
 
     if (dir == nullptr) {
-        if (file == nullptr)
-            return ResultStatus::ErrorNullFile;
+        if (file == nullptr) {
+            return {ResultStatus::ErrorNullFile, {}};
+        }
+
         dir = file->GetContainingDirectory();
     }
 
     // Read meta to determine title ID
     FileSys::VirtualFile npdm = dir->GetFile("main.npdm");
-    if (npdm == nullptr)
-        return ResultStatus::ErrorMissingNPDM;
+    if (npdm == nullptr) {
+        return {ResultStatus::ErrorMissingNPDM, {}};
+    }
 
-    ResultStatus result = metadata.Load(npdm);
+    const ResultStatus result = metadata.Load(npdm);
     if (result != ResultStatus::Success) {
-        return result;
+        return {result, {}};
     }
 
     if (override_update) {
@@ -114,23 +118,24 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(Kernel::Process& process)
 
     // Reread in case PatchExeFS affected the main.npdm
     npdm = dir->GetFile("main.npdm");
-    if (npdm == nullptr)
-        return ResultStatus::ErrorMissingNPDM;
+    if (npdm == nullptr) {
+        return {ResultStatus::ErrorMissingNPDM, {}};
+    }
 
-    ResultStatus result2 = metadata.Load(npdm);
+    const ResultStatus result2 = metadata.Load(npdm);
     if (result2 != ResultStatus::Success) {
-        return result2;
+        return {result2, {}};
     }
     metadata.Print();
 
     const FileSys::ProgramAddressSpaceType arch_bits{metadata.GetAddressSpaceType()};
     if (arch_bits == FileSys::ProgramAddressSpaceType::Is32Bit ||
         arch_bits == FileSys::ProgramAddressSpaceType::Is32BitNoMap) {
-        return ResultStatus::Error32BitISA;
+        return {ResultStatus::Error32BitISA, {}};
     }
 
     if (process.LoadFromMetadata(metadata).IsError()) {
-        return ResultStatus::ErrorUnableToParseKernelMetadata;
+        return {ResultStatus::ErrorUnableToParseKernelMetadata, {}};
     }
 
     const FileSys::PatchManager pm(metadata.GetTitleID());
@@ -150,7 +155,7 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(Kernel::Process& process)
         const auto tentative_next_load_addr =
             AppLoader_NSO::LoadModule(process, *module_file, load_addr, should_pass_arguments, pm);
         if (!tentative_next_load_addr) {
-            return ResultStatus::ErrorLoadingNSO;
+            return {ResultStatus::ErrorLoadingNSO, {}};
         }
 
         next_load_addr = *tentative_next_load_addr;
@@ -159,8 +164,6 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(Kernel::Process& process)
         GDBStub::RegisterModule(module, load_addr, next_load_addr - 1, false);
     }
 
-    process.Run(base_address, metadata.GetMainThreadPriority(), metadata.GetMainThreadStackSize());
-
     // Find the RomFS by searching for a ".romfs" file in this directory
     const auto& files = dir->GetFiles();
     const auto romfs_iter =
@@ -175,7 +178,8 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(Kernel::Process& process)
     }
 
     is_loaded = true;
-    return ResultStatus::Success;
+    return {ResultStatus::Success,
+            LoadParameters{metadata.GetMainThreadPriority(), metadata.GetMainThreadStackSize()}};
 }
 
 ResultStatus AppLoader_DeconstructedRomDirectory::ReadRomFS(FileSys::VirtualFile& dir) {

src/core/loader/deconstructed_rom_directory.h

@@ -37,7 +37,7 @@ public:
         return IdentifyType(file);
     }
 
-    ResultStatus Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process) override;
 
     ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;

src/core/loader/elf.cpp

@@ -382,13 +382,15 @@ FileType AppLoader_ELF::IdentifyType(const FileSys::VirtualFile& file) {
     return FileType::Error;
 }
 
-ResultStatus AppLoader_ELF::Load(Kernel::Process& process) {
-    if (is_loaded)
-        return ResultStatus::ErrorAlreadyLoaded;
+AppLoader_ELF::LoadResult AppLoader_ELF::Load(Kernel::Process& process) {
+    if (is_loaded) {
+        return {ResultStatus::ErrorAlreadyLoaded, {}};
+    }
 
     std::vector<u8> buffer = file->ReadAllBytes();
-    if (buffer.size() != file->GetSize())
-        return ResultStatus::ErrorIncorrectELFFileSize;
+    if (buffer.size() != file->GetSize()) {
+        return {ResultStatus::ErrorIncorrectELFFileSize, {}};
+    }
 
     const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress();
     ElfReader elf_reader(&buffer[0]);
@@ -396,10 +398,9 @@ ResultStatus AppLoader_ELF::Load(Kernel::Process& process) {
     const VAddr entry_point = codeset.entrypoint;
 
     process.LoadModule(std::move(codeset), entry_point);
-    process.Run(entry_point, 48, Memory::DEFAULT_STACK_SIZE);
 
     is_loaded = true;
-    return ResultStatus::Success;
+    return {ResultStatus::Success, LoadParameters{48, Memory::DEFAULT_STACK_SIZE}};
 }
 
 } // namespace Loader

src/core/loader/elf.h

@@ -26,7 +26,7 @@ public:
         return IdentifyType(file);
     }
 
-    ResultStatus Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process) override;
 };
 
 } // namespace Loader

src/core/loader/loader.h

@@ -131,6 +131,12 @@ std::ostream& operator<<(std::ostream& os, ResultStatus status);
 /// Interface for loading an application
 class AppLoader : NonCopyable {
 public:
+    struct LoadParameters {
+        s32 main_thread_priority;
+        u64 main_thread_stack_size;
+    };
+    using LoadResult = std::pair<ResultStatus, std::optional<LoadParameters>>;
+
     explicit AppLoader(FileSys::VirtualFile file);
     virtual ~AppLoader();
 
@@ -145,7 +151,7 @@ public:
      * @param process The newly created process.
      * @return The status result of the operation.
      */
-    virtual ResultStatus Load(Kernel::Process& process) = 0;
+    virtual LoadResult Load(Kernel::Process& process) = 0;
 
     /**
      * Loads the system mode that this application needs.

src/core/loader/nax.cpp

@@ -41,31 +41,37 @@ FileType AppLoader_NAX::GetFileType() const {
     return IdentifyTypeImpl(*nax);
 }
 
-ResultStatus AppLoader_NAX::Load(Kernel::Process& process) {
+AppLoader_NAX::LoadResult AppLoader_NAX::Load(Kernel::Process& process) {
     if (is_loaded) {
-        return ResultStatus::ErrorAlreadyLoaded;
+        return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
 
-    if (nax->GetStatus() != ResultStatus::Success)
-        return nax->GetStatus();
+    const auto nax_status = nax->GetStatus();
+    if (nax_status != ResultStatus::Success) {
+        return {nax_status, {}};
+    }
 
     const auto nca = nax->AsNCA();
     if (nca == nullptr) {
-        if (!Core::Crypto::KeyManager::KeyFileExists(false))
-            return ResultStatus::ErrorMissingProductionKeyFile;
-        return ResultStatus::ErrorNAXInconvertibleToNCA;
+        if (!Core::Crypto::KeyManager::KeyFileExists(false)) {
+            return {ResultStatus::ErrorMissingProductionKeyFile, {}};
+        }
+
+        return {ResultStatus::ErrorNAXInconvertibleToNCA, {}};
     }
 
-    if (nca->GetStatus() != ResultStatus::Success)
-        return nca->GetStatus();
+    const auto nca_status = nca->GetStatus();
+    if (nca_status != ResultStatus::Success) {
+        return {nca_status, {}};
+    }
 
     const auto result = nca_loader->Load(process);
-    if (result != ResultStatus::Success)
+    if (result.first != ResultStatus::Success) {
         return result;
+    }
 
     is_loaded = true;
-
-    return ResultStatus::Success;
+    return result;
 }
 
 ResultStatus AppLoader_NAX::ReadRomFS(FileSys::VirtualFile& dir) {

src/core/loader/nax.h

@@ -33,7 +33,7 @@ public:
 
     FileType GetFileType() const override;
 
-    ResultStatus Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process) override;
 
     ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
     u64 ReadRomFSIVFCOffset() const override;

src/core/loader/nca.cpp

@@ -30,36 +30,38 @@ FileType AppLoader_NCA::IdentifyType(const FileSys::VirtualFile& file) {
     return FileType::Error;
 }
 
-ResultStatus AppLoader_NCA::Load(Kernel::Process& process) {
+AppLoader_NCA::LoadResult AppLoader_NCA::Load(Kernel::Process& process) {
     if (is_loaded) {
-        return ResultStatus::ErrorAlreadyLoaded;
+        return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
 
     const auto result = nca->GetStatus();
     if (result != ResultStatus::Success) {
-        return result;
+        return {result, {}};
     }
 
-    if (nca->GetType() != FileSys::NCAContentType::Program)
-        return ResultStatus::ErrorNCANotProgram;
+    if (nca->GetType() != FileSys::NCAContentType::Program) {
+        return {ResultStatus::ErrorNCANotProgram, {}};
+    }
 
     const auto exefs = nca->GetExeFS();
-
-    if (exefs == nullptr)
-        return ResultStatus::ErrorNoExeFS;
+    if (exefs == nullptr) {
+        return {ResultStatus::ErrorNoExeFS, {}};
+    }
 
     directory_loader = std::make_unique<AppLoader_DeconstructedRomDirectory>(exefs, true);
 
     const auto load_result = directory_loader->Load(process);
-    if (load_result != ResultStatus::Success)
+    if (load_result.first != ResultStatus::Success) {
         return load_result;
+    }
 
-    if (nca->GetRomFS() != nullptr && nca->GetRomFS()->GetSize() > 0)
+    if (nca->GetRomFS() != nullptr && nca->GetRomFS()->GetSize() > 0) {
         Service::FileSystem::RegisterRomFS(std::make_unique<FileSys::RomFSFactory>(*this));
+    }
 
     is_loaded = true;
-
-    return ResultStatus::Success;
+    return load_result;
 }
 
 ResultStatus AppLoader_NCA::ReadRomFS(FileSys::VirtualFile& dir) {

src/core/loader/nca.h

@@ -33,7 +33,7 @@ public:
         return IdentifyType(file);
     }
 
-    ResultStatus Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process) override;
 
     ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
     u64 ReadRomFSIVFCOffset() const override;

src/core/loader/nro.cpp

@@ -201,25 +201,25 @@ bool AppLoader_NRO::LoadNro(Kernel::Process& process, const FileSys::VfsFile& fi
     return LoadNroImpl(process, file.ReadAllBytes(), file.GetName(), load_base);
 }
 
-ResultStatus AppLoader_NRO::Load(Kernel::Process& process) {
+AppLoader_NRO::LoadResult AppLoader_NRO::Load(Kernel::Process& process) {
     if (is_loaded) {
-        return ResultStatus::ErrorAlreadyLoaded;
+        return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
 
     // Load NRO
     const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress();
 
     if (!LoadNro(process, *file, base_address)) {
-        return ResultStatus::ErrorLoadingNRO;
+        return {ResultStatus::ErrorLoadingNRO, {}};
     }
 
-    if (romfs != nullptr)
+    if (romfs != nullptr) {
         Service::FileSystem::RegisterRomFS(std::make_unique<FileSys::RomFSFactory>(*this));
-
-    process.Run(base_address, Kernel::THREADPRIO_DEFAULT, Memory::DEFAULT_STACK_SIZE);
+    }
 
     is_loaded = true;
-    return ResultStatus::Success;
+    return {ResultStatus::Success,
+            LoadParameters{Kernel::THREADPRIO_DEFAULT, Memory::DEFAULT_STACK_SIZE}};
 }
 
 ResultStatus AppLoader_NRO::ReadIcon(std::vector<u8>& buffer) {

src/core/loader/nro.h

@@ -37,7 +37,7 @@ public:
         return IdentifyType(file);
     }
 
-    ResultStatus Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process) override;
 
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;
     ResultStatus ReadProgramId(u64& out_program_id) override;

src/core/loader/nso.cpp

@@ -21,8 +21,6 @@
 #include "core/memory.h"
 #include "core/settings.h"
 
-#pragma optimize("", off)
-
 namespace Loader {
 namespace {
 struct MODHeader {
@@ -169,22 +167,21 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
     return load_base + image_size;
 }
 
-ResultStatus AppLoader_NSO::Load(Kernel::Process& process) {
+AppLoader_NSO::LoadResult AppLoader_NSO::Load(Kernel::Process& process) {
     if (is_loaded) {
-        return ResultStatus::ErrorAlreadyLoaded;
+        return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
 
     // Load module
     const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress();
     if (!LoadModule(process, *file, base_address, true)) {
-        return ResultStatus::ErrorLoadingNSO;
+        return {ResultStatus::ErrorLoadingNSO, {}};
     }
     LOG_DEBUG(Loader, "loaded module {} @ 0x{:X}", file->GetName(), base_address);
 
-    process.Run(base_address, Kernel::THREADPRIO_DEFAULT, Memory::DEFAULT_STACK_SIZE);
-
     is_loaded = true;
-    return ResultStatus::Success;
+    return {ResultStatus::Success,
+            LoadParameters{Kernel::THREADPRIO_DEFAULT, Memory::DEFAULT_STACK_SIZE}};
 }
 
 } // namespace Loader

src/core/loader/nso.h

@@ -84,7 +84,7 @@ public:
                                            VAddr load_base, bool should_pass_arguments,
                                            std::optional<FileSys::PatchManager> pm = {});
 
-    ResultStatus Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process) override;
 };
 
 } // namespace Loader

src/core/loader/nsp.cpp

@@ -72,37 +72,45 @@ FileType AppLoader_NSP::IdentifyType(const FileSys::VirtualFile& file) {
     return FileType::Error;
 }
 
-ResultStatus AppLoader_NSP::Load(Kernel::Process& process) {
+AppLoader_NSP::LoadResult AppLoader_NSP::Load(Kernel::Process& process) {
     if (is_loaded) {
-        return ResultStatus::ErrorAlreadyLoaded;
+        return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
 
-    if (title_id == 0)
-        return ResultStatus::ErrorNSPMissingProgramNCA;
+    if (title_id == 0) {
+        return {ResultStatus::ErrorNSPMissingProgramNCA, {}};
+    }
 
-    if (nsp->GetStatus() != ResultStatus::Success)
-        return nsp->GetStatus();
+    const auto nsp_status = nsp->GetStatus();
+    if (nsp_status != ResultStatus::Success) {
+        return {nsp_status, {}};
+    }
 
-    if (nsp->GetProgramStatus(title_id) != ResultStatus::Success)
-        return nsp->GetProgramStatus(title_id);
+    const auto nsp_program_status = nsp->GetProgramStatus(title_id);
+    if (nsp_program_status != ResultStatus::Success) {
+        return {nsp_program_status, {}};
+    }
 
     if (nsp->GetNCA(title_id, FileSys::ContentRecordType::Program) == nullptr) {
-        if (!Core::Crypto::KeyManager::KeyFileExists(false))
-            return ResultStatus::ErrorMissingProductionKeyFile;
-        return ResultStatus::ErrorNSPMissingProgramNCA;
+        if (!Core::Crypto::KeyManager::KeyFileExists(false)) {
+            return {ResultStatus::ErrorMissingProductionKeyFile, {}};
+        }
+
+        return {ResultStatus::ErrorNSPMissingProgramNCA, {}};
     }
 
     const auto result = secondary_loader->Load(process);
-    if (result != ResultStatus::Success)
+    if (result.first != ResultStatus::Success) {
         return result;
+    }
 
     FileSys::VirtualFile update_raw;
-    if (ReadUpdateRaw(update_raw) == ResultStatus::Success && update_raw != nullptr)
+    if (ReadUpdateRaw(update_raw) == ResultStatus::Success && update_raw != nullptr) {
         Service::FileSystem::SetPackedUpdate(std::move(update_raw));
+    }
 
     is_loaded = true;
-
-    return ResultStatus::Success;
+    return result;
 }
 
 ResultStatus AppLoader_NSP::ReadRomFS(FileSys::VirtualFile& file) {

src/core/loader/nsp.h

@@ -35,7 +35,7 @@ public:
         return IdentifyType(file);
     }
 
-    ResultStatus Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process) override;
 
     ResultStatus ReadRomFS(FileSys::VirtualFile& file) override;
     u64 ReadRomFSIVFCOffset() const override;

src/core/loader/xci.cpp

@@ -48,31 +48,35 @@ FileType AppLoader_XCI::IdentifyType(const FileSys::VirtualFile& file) {
     return FileType::Error;
 }
 
-ResultStatus AppLoader_XCI::Load(Kernel::Process& process) {
+AppLoader_XCI::LoadResult AppLoader_XCI::Load(Kernel::Process& process) {
     if (is_loaded) {
-        return ResultStatus::ErrorAlreadyLoaded;
+        return {ResultStatus::ErrorAlreadyLoaded, {}};
     }
 
-    if (xci->GetStatus() != ResultStatus::Success)
-        return xci->GetStatus();
+    if (xci->GetStatus() != ResultStatus::Success) {
+        return {xci->GetStatus(), {}};
+    }
 
-    if (xci->GetProgramNCAStatus() != ResultStatus::Success)
-        return xci->GetProgramNCAStatus();
+    if (xci->GetProgramNCAStatus() != ResultStatus::Success) {
+        return {xci->GetProgramNCAStatus(), {}};
+    }
 
-    if (!xci->HasProgramNCA() && !Core::Crypto::KeyManager::KeyFileExists(false))
-        return ResultStatus::ErrorMissingProductionKeyFile;
+    if (!xci->HasProgramNCA() && !Core::Crypto::KeyManager::KeyFileExists(false)) {
+        return {ResultStatus::ErrorMissingProductionKeyFile, {}};
+    }
 
     const auto result = nca_loader->Load(process);
-    if (result != ResultStatus::Success)
+    if (result.first != ResultStatus::Success) {
         return result;
+    }
 
     FileSys::VirtualFile update_raw;
-    if (ReadUpdateRaw(update_raw) == ResultStatus::Success && update_raw != nullptr)
+    if (ReadUpdateRaw(update_raw) == ResultStatus::Success && update_raw != nullptr) {
         Service::FileSystem::SetPackedUpdate(std::move(update_raw));
+    }
 
     is_loaded = true;
-
-    return ResultStatus::Success;
+    return result;
 }
 
 ResultStatus AppLoader_XCI::ReadRomFS(FileSys::VirtualFile& file) {

src/core/loader/xci.h

@@ -35,7 +35,7 @@ public:
         return IdentifyType(file);
     }
 
-    ResultStatus Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process) override;
 
     ResultStatus ReadRomFS(FileSys::VirtualFile& file) override;
     u64 ReadRomFSIVFCOffset() const override;

src/core/memory.cpp

@@ -26,16 +26,16 @@ namespace Memory {
 
 static Common::PageTable* current_page_table = nullptr;
 
-void SetCurrentPageTable(Common::PageTable* page_table) {
-    current_page_table = page_table;
+void SetCurrentPageTable(Kernel::Process& process) {
+    current_page_table = &process.VMManager().page_table;
+
+    const std::size_t address_space_width = process.VMManager().GetAddressSpaceWidth();
 
     auto& system = Core::System::GetInstance();
-    if (system.IsPoweredOn()) {
-        system.ArmInterface(0).PageTableChanged();
-        system.ArmInterface(1).PageTableChanged();
-        system.ArmInterface(2).PageTableChanged();
-        system.ArmInterface(3).PageTableChanged();
-    }
+    system.ArmInterface(0).PageTableChanged(*current_page_table, address_space_width);
+    system.ArmInterface(1).PageTableChanged(*current_page_table, address_space_width);
+    system.ArmInterface(2).PageTableChanged(*current_page_table, address_space_width);
+    system.ArmInterface(3).PageTableChanged(*current_page_table, address_space_width);
 }
 
 static void MapPages(Common::PageTable& page_table, VAddr base, u64 size, u8* memory,

src/core/memory.h

@@ -40,8 +40,9 @@ enum : VAddr {
     KERNEL_REGION_END = KERNEL_REGION_VADDR + KERNEL_REGION_SIZE,
 };
 
-/// Changes the currently active page table.
-void SetCurrentPageTable(Common::PageTable* page_table);
+/// Changes the currently active page table to that of
+/// the given process instance.
+void SetCurrentPageTable(Kernel::Process& process);
 
 /// Determines if the given VAddr is valid for the specified process.
 bool IsValidVirtualAddress(const Kernel::Process& process, VAddr vaddr);

src/core/settings.cpp

@@ -90,6 +90,7 @@ void LogSettings() {
     LogSetting("Renderer_UseResolutionFactor", Settings::values.resolution_factor);
     LogSetting("Renderer_UseFrameLimit", Settings::values.use_frame_limit);
     LogSetting("Renderer_FrameLimit", Settings::values.frame_limit);
+    LogSetting("Renderer_UseCompatibilityProfile", Settings::values.use_compatibility_profile);
     LogSetting("Renderer_UseDiskShaderCache", Settings::values.use_disk_shader_cache);
     LogSetting("Renderer_UseAccurateGpuEmulation", Settings::values.use_accurate_gpu_emulation);
     LogSetting("Renderer_UseAsynchronousGpuEmulation",

src/core/settings.h

@@ -390,6 +390,7 @@ struct Values {
     float resolution_factor;
     bool use_frame_limit;
     u16 frame_limit;
+    bool use_compatibility_profile;
     bool use_disk_shader_cache;
     bool use_accurate_gpu_emulation;
     bool use_asynchronous_gpu_emulation;

src/video_core/CMakeLists.txt

@@ -36,6 +36,8 @@ add_library(video_core STATIC
     renderer_base.h
     renderer_opengl/gl_buffer_cache.cpp
     renderer_opengl/gl_buffer_cache.h
+    renderer_opengl/gl_device.cpp
+    renderer_opengl/gl_device.h
     renderer_opengl/gl_global_cache.cpp
     renderer_opengl/gl_global_cache.h
     renderer_opengl/gl_primitive_assembler.cpp
@@ -46,6 +48,8 @@ add_library(video_core STATIC
     renderer_opengl/gl_rasterizer_cache.h
     renderer_opengl/gl_resource_manager.cpp
     renderer_opengl/gl_resource_manager.h
+    renderer_opengl/gl_sampler_cache.cpp
+    renderer_opengl/gl_sampler_cache.h
     renderer_opengl/gl_shader_cache.cpp
     renderer_opengl/gl_shader_cache.h
     renderer_opengl/gl_shader_decompiler.cpp
@@ -67,6 +71,8 @@ add_library(video_core STATIC
     renderer_opengl/renderer_opengl.h
     renderer_opengl/utils.cpp
     renderer_opengl/utils.h
+    sampler_cache.cpp
+    sampler_cache.h
     shader/decode/arithmetic.cpp
     shader/decode/arithmetic_immediate.cpp
     shader/decode/bfe.cpp

src/video_core/dma_pusher.cpp

@@ -57,8 +57,8 @@ bool DmaPusher::Step() {
 
     // Push buffer non-empty, read a word
     command_headers.resize(command_list_header.size);
-    gpu.MemoryManager().ReadBlock(dma_get, command_headers.data(),
-                                  command_list_header.size * sizeof(u32));
+    gpu.MemoryManager().ReadBlockUnsafe(dma_get, command_headers.data(),
+                                        command_list_header.size * sizeof(u32));
 
     for (const CommandHeader& command_header : command_headers) {
 
@@ -105,6 +105,8 @@ bool DmaPusher::Step() {
                 dma_state.non_incrementing = false;
                 dma_increment_once = true;
                 break;
+            default:
+                break;
             }
         }
     }

src/video_core/engines/kepler_memory.cpp

@@ -10,6 +10,7 @@
 #include "video_core/memory_manager.h"
 #include "video_core/rasterizer_interface.h"
 #include "video_core/renderer_base.h"
+#include "video_core/textures/decoders.h"
 
 namespace Tegra::Engines {
 
@@ -27,30 +28,46 @@ void KeplerMemory::CallMethod(const GPU::MethodCall& method_call) {
 
     switch (method_call.method) {
     case KEPLERMEMORY_REG_INDEX(exec): {
-        state.write_offset = 0;
+        ProcessExec();
         break;
     }
     case KEPLERMEMORY_REG_INDEX(data): {
-        ProcessData(method_call.argument);
+        ProcessData(method_call.argument, method_call.IsLastCall());
         break;
     }
     }
 }
 
-void KeplerMemory::ProcessData(u32 data) {
-    ASSERT_MSG(regs.exec.linear, "Non-linear uploads are not supported");
-    ASSERT(regs.dest.x == 0 && regs.dest.y == 0 && regs.dest.z == 0);
+void KeplerMemory::ProcessExec() {
+    state.write_offset = 0;
+    state.copy_size = regs.line_length_in * regs.line_count;
+    state.inner_buffer.resize(state.copy_size);
+}
 
-    // We have to invalidate the destination region to evict any outdated surfaces from the cache.
-    // We do this before actually writing the new data because the destination address might
-    // contain a dirty surface that will have to be written back to memory.
-    const GPUVAddr address{regs.dest.Address() + state.write_offset * sizeof(u32)};
-    rasterizer.InvalidateRegion(ToCacheAddr(memory_manager.GetPointer(address)), sizeof(u32));
-    memory_manager.Write<u32>(address, data);
-
-    system.GPU().Maxwell3D().dirty_flags.OnMemoryWrite();
-
-    state.write_offset++;
+void KeplerMemory::ProcessData(u32 data, bool is_last_call) {
+    const u32 sub_copy_size = std::min(4U, state.copy_size - state.write_offset);
+    std::memcpy(&state.inner_buffer[state.write_offset], &regs.data, sub_copy_size);
+    state.write_offset += sub_copy_size;
+    if (is_last_call) {
+        const GPUVAddr address{regs.dest.Address()};
+        if (regs.exec.linear != 0) {
+            memory_manager.WriteBlock(address, state.inner_buffer.data(), state.copy_size);
+        } else {
+            UNIMPLEMENTED_IF(regs.dest.z != 0);
+            UNIMPLEMENTED_IF(regs.dest.depth != 1);
+            UNIMPLEMENTED_IF(regs.dest.BlockWidth() != 1);
+            UNIMPLEMENTED_IF(regs.dest.BlockDepth() != 1);
+            const std::size_t dst_size = Tegra::Texture::CalculateSize(
+                true, 1, regs.dest.width, regs.dest.height, 1, regs.dest.BlockHeight(), 1);
+            std::vector<u8> tmp_buffer(dst_size);
+            memory_manager.ReadBlock(address, tmp_buffer.data(), dst_size);
+            Tegra::Texture::SwizzleKepler(regs.dest.width, regs.dest.height, regs.dest.x,
+                                          regs.dest.y, regs.dest.BlockHeight(), state.copy_size,
+                                          state.inner_buffer.data(), tmp_buffer.data());
+            memory_manager.WriteBlock(address, tmp_buffer.data(), dst_size);
+        }
+        system.GPU().Maxwell3D().dirty_flags.OnMemoryWrite();
+    }
 }
 
 } // namespace Tegra::Engines

src/video_core/engines/kepler_memory.h

@@ -6,6 +6,7 @@
 
 #include <array>
 #include <cstddef>
+#include <vector>
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
@@ -51,7 +52,11 @@ public:
                     u32 address_high;
                     u32 address_low;
                     u32 pitch;
-                    u32 block_dimensions;
+                    union {
+                        BitField<0, 4, u32> block_width;
+                        BitField<4, 4, u32> block_height;
+                        BitField<8, 4, u32> block_depth;
+                    };
                     u32 width;
                     u32 height;
                     u32 depth;
@@ -63,6 +68,18 @@ public:
                         return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
                                                      address_low);
                     }
+
+                    u32 BlockWidth() const {
+                        return 1U << block_width.Value();
+                    }
+
+                    u32 BlockHeight() const {
+                        return 1U << block_height.Value();
+                    }
+
+                    u32 BlockDepth() const {
+                        return 1U << block_depth.Value();
+                    }
                 } dest;
 
                 struct {
@@ -81,6 +98,8 @@ public:
 
     struct {
         u32 write_offset = 0;
+        u32 copy_size = 0;
+        std::vector<u8> inner_buffer;
     } state{};
 
 private:
@@ -88,7 +107,8 @@ private:
     VideoCore::RasterizerInterface& rasterizer;
     MemoryManager& memory_manager;
 
-    void ProcessData(u32 data);
+    void ProcessExec();
+    void ProcessData(u32 data, bool is_last_call);
 };
 
 #define ASSERT_REG_POSITION(field_name, position)                                                  \

src/video_core/engines/maxwell_3d.cpp

@@ -418,7 +418,7 @@ Texture::TICEntry Maxwell3D::GetTICEntry(u32 tic_index) const {
     const GPUVAddr tic_address_gpu{regs.tic.TICAddress() + tic_index * sizeof(Texture::TICEntry)};
 
     Texture::TICEntry tic_entry;
-    memory_manager.ReadBlock(tic_address_gpu, &tic_entry, sizeof(Texture::TICEntry));
+    memory_manager.ReadBlockUnsafe(tic_address_gpu, &tic_entry, sizeof(Texture::TICEntry));
 
     ASSERT_MSG(tic_entry.header_version == Texture::TICHeaderVersion::BlockLinear ||
                    tic_entry.header_version == Texture::TICHeaderVersion::Pitch,
@@ -439,7 +439,7 @@ Texture::TSCEntry Maxwell3D::GetTSCEntry(u32 tsc_index) const {
     const GPUVAddr tsc_address_gpu{regs.tsc.TSCAddress() + tsc_index * sizeof(Texture::TSCEntry)};
 
     Texture::TSCEntry tsc_entry;
-    memory_manager.ReadBlock(tsc_address_gpu, &tsc_entry, sizeof(Texture::TSCEntry));
+    memory_manager.ReadBlockUnsafe(tsc_address_gpu, &tsc_entry, sizeof(Texture::TSCEntry));
     return tsc_entry;
 }
 
@@ -482,19 +482,8 @@ std::vector<Texture::FullTextureInfo> Maxwell3D::GetStageTextures(Regs::ShaderSt
     return textures;
 }
 
-Texture::FullTextureInfo Maxwell3D::GetStageTexture(Regs::ShaderStage stage,
-                                                    std::size_t offset) const {
-    auto& shader = state.shader_stages[static_cast<std::size_t>(stage)];
-    auto& tex_info_buffer = shader.const_buffers[regs.tex_cb_index];
-    ASSERT(tex_info_buffer.enabled && tex_info_buffer.address != 0);
-
-    const GPUVAddr tex_info_address =
-        tex_info_buffer.address + offset * sizeof(Texture::TextureHandle);
-
-    ASSERT(tex_info_address < tex_info_buffer.address + tex_info_buffer.size);
-
-    const Texture::TextureHandle tex_handle{memory_manager.Read<u32>(tex_info_address)};
-
+Texture::FullTextureInfo Maxwell3D::GetTextureInfo(const Texture::TextureHandle tex_handle,
+                                                   std::size_t offset) const {
     Texture::FullTextureInfo tex_info{};
     tex_info.index = static_cast<u32>(offset);
 
@@ -511,6 +500,22 @@ Texture::FullTextureInfo Maxwell3D::GetStageTexture(Regs::ShaderStage stage,
     return tex_info;
 }
 
+Texture::FullTextureInfo Maxwell3D::GetStageTexture(Regs::ShaderStage stage,
+                                                    std::size_t offset) const {
+    const auto& shader = state.shader_stages[static_cast<std::size_t>(stage)];
+    const auto& tex_info_buffer = shader.const_buffers[regs.tex_cb_index];
+    ASSERT(tex_info_buffer.enabled && tex_info_buffer.address != 0);
+
+    const GPUVAddr tex_info_address =
+        tex_info_buffer.address + offset * sizeof(Texture::TextureHandle);
+
+    ASSERT(tex_info_address < tex_info_buffer.address + tex_info_buffer.size);
+
+    const Texture::TextureHandle tex_handle{memory_manager.Read<u32>(tex_info_address)};
+
+    return GetTextureInfo(tex_handle, offset);
+}
+
 u32 Maxwell3D::GetRegisterValue(u32 method) const {
     ASSERT_MSG(method < Regs::NUM_REGS, "Invalid Maxwell3D register");
     return regs.reg_array[method];
@@ -524,4 +529,12 @@ void Maxwell3D::ProcessClearBuffers() {
     rasterizer.Clear();
 }
 
+u32 Maxwell3D::AccessConstBuffer32(Regs::ShaderStage stage, u64 const_buffer, u64 offset) const {
+    const auto& shader_stage = state.shader_stages[static_cast<std::size_t>(stage)];
+    const auto& buffer = shader_stage.const_buffers[const_buffer];
+    u32 result;
+    std::memcpy(&result, memory_manager.GetPointer(buffer.address + offset), sizeof(u32));
+    return result;
+}
+
 } // namespace Tegra::Engines

src/video_core/engines/maxwell_3d.h

@@ -243,9 +243,10 @@ public:
                     return "10_10_10_2";
                 case Size::Size_11_11_10:
                     return "11_11_10";
+                default:
+                    UNREACHABLE();
+                    return {};
                 }
-                UNREACHABLE();
-                return {};
             }
 
             std::string TypeString() const {
@@ -1131,12 +1132,18 @@ public:
     /// Write the value to the register identified by method.
     void CallMethod(const GPU::MethodCall& method_call);
 
+    /// Given a Texture Handle, returns the TSC and TIC entries.
+    Texture::FullTextureInfo GetTextureInfo(const Texture::TextureHandle tex_handle,
+                                            std::size_t offset) const;
+
     /// Returns a list of enabled textures for the specified shader stage.
     std::vector<Texture::FullTextureInfo> GetStageTextures(Regs::ShaderStage stage) const;
 
     /// Returns the texture information for a specific texture in a specific shader stage.
     Texture::FullTextureInfo GetStageTexture(Regs::ShaderStage stage, std::size_t offset) const;
 
+    u32 AccessConstBuffer32(Regs::ShaderStage stage, u64 const_buffer, u64 offset) const;
+
     /// Memory for macro code - it's undetermined how big this is, however 1MB is much larger than
     /// we've seen used.
     using MacroMemory = std::array<u32, 0x40000>;

src/video_core/engines/shader_bytecode.h

@@ -937,21 +937,34 @@ union Instruction {
     } iset;
 
     union {
-        BitField<8, 2, Register::Size> dest_size;
-        BitField<10, 2, Register::Size> src_size;
-        BitField<12, 1, u64> is_output_signed;
-        BitField<13, 1, u64> is_input_signed;
-        BitField<41, 2, u64> selector;
+        BitField<41, 2, u64> selector; // i2i and i2f only
         BitField<45, 1, u64> negate_a;
         BitField<49, 1, u64> abs_a;
+        BitField<10, 2, Register::Size> src_size;
+        BitField<13, 1, u64> is_input_signed;
+        BitField<8, 2, Register::Size> dst_size;
+        BitField<12, 1, u64> is_output_signed;
+
+        union {
+            BitField<39, 2, u64> tab5cb8_2;
+        } i2f;
 
         union {
             BitField<39, 2, F2iRoundingOp> rounding;
         } f2i;
 
         union {
-            BitField<39, 4, F2fRoundingOp> rounding;
+            BitField<8, 2, Register::Size> src_size;
+            BitField<10, 2, Register::Size> dst_size;
+            BitField<39, 4, u64> rounding;
+            // H0, H1 extract for F16 missing
+            BitField<41, 1, u64> selector; // Guessed as some games set it, TODO: reverse this value
+            F2fRoundingOp GetRoundingMode() const {
+                constexpr u64 rounding_mask = 0x0B;
+                return static_cast<F2fRoundingOp>(rounding.Value() & rounding_mask);
+            }
         } f2f;
+
     } conversion;
 
     union {
@@ -986,6 +999,38 @@ union Instruction {
         }
     } tex;
 
+    union {
+        BitField<28, 1, u64> array;
+        BitField<29, 2, TextureType> texture_type;
+        BitField<31, 4, u64> component_mask;
+        BitField<49, 1, u64> nodep_flag;
+        BitField<50, 1, u64> dc_flag;
+        BitField<36, 1, u64> aoffi_flag;
+        BitField<37, 3, TextureProcessMode> process_mode;
+
+        bool IsComponentEnabled(std::size_t component) const {
+            return ((1ULL << component) & component_mask) != 0;
+        }
+
+        TextureProcessMode GetTextureProcessMode() const {
+            return process_mode;
+        }
+
+        bool UsesMiscMode(TextureMiscMode mode) const {
+            switch (mode) {
+            case TextureMiscMode::DC:
+                return dc_flag != 0;
+            case TextureMiscMode::NODEP:
+                return nodep_flag != 0;
+            case TextureMiscMode::AOFFI:
+                return aoffi_flag != 0;
+            default:
+                break;
+            }
+            return false;
+        }
+    } tex_b;
+
     union {
         BitField<22, 6, TextureQueryType> query_type;
         BitField<31, 4, u64> component_mask;
@@ -1332,7 +1377,9 @@ public:
         LDG, // Load from global memory
         STG, // Store in global memory
         TEX,
+        TEX_B,  // Texture Load Bindless
         TXQ,    // Texture Query
+        TXQ_B,  // Texture Query Bindless
         TEXS,   // Texture Fetch with scalar/non-vec4 source/destinations
         TLDS,   // Texture Load with scalar/non-vec4 source/destinations
         TLD4,   // Texture Load 4
@@ -1600,7 +1647,9 @@ private:
             INST("1110111011010---", Id::LDG, Type::Memory, "LDG"),
             INST("1110111011011---", Id::STG, Type::Memory, "STG"),
             INST("110000----111---", Id::TEX, Type::Texture, "TEX"),
+            INST("1101111010111---", Id::TEX_B, Type::Texture, "TEX_B"),
             INST("1101111101001---", Id::TXQ, Type::Texture, "TXQ"),
+            INST("1101111101010---", Id::TXQ_B, Type::Texture, "TXQ_B"),
             INST("1101-00---------", Id::TEXS, Type::Texture, "TEXS"),
             INST("1101101---------", Id::TLDS, Type::Texture, "TLDS"),
             INST("110010----111---", Id::TLD4, Type::Texture, "TLD4"),
@@ -1698,7 +1747,7 @@ private:
             INST("0011100-00101---", Id::SHR_IMM, Type::Shift, "SHR_IMM"),
             INST("0100110011100---", Id::I2I_C, Type::Conversion, "I2I_C"),
             INST("0101110011100---", Id::I2I_R, Type::Conversion, "I2I_R"),
-            INST("01110001-1000---", Id::I2I_IMM, Type::Conversion, "I2I_IMM"),
+            INST("0011101-11100---", Id::I2I_IMM, Type::Conversion, "I2I_IMM"),
             INST("0100110010111---", Id::I2F_C, Type::Conversion, "I2F_C"),
             INST("0101110010111---", Id::I2F_R, Type::Conversion, "I2F_R"),
             INST("0011100-10111---", Id::I2F_IMM, Type::Conversion, "I2F_IMM"),

src/video_core/gpu.h

@@ -207,6 +207,11 @@ public:
         };
     } regs{};
 
+    /// Performs any additional setup necessary in order to begin GPU emulation.
+    /// This can be used to launch any necessary threads and register any necessary
+    /// core timing events.
+    virtual void Start() = 0;
+
     /// Push GPU command entries to be processed
     virtual void PushGPUEntries(Tegra::CommandList&& entries) = 0;
 

src/video_core/gpu_asynch.cpp

@@ -9,10 +9,14 @@
 namespace VideoCommon {
 
 GPUAsynch::GPUAsynch(Core::System& system, VideoCore::RendererBase& renderer)
-    : Tegra::GPU(system, renderer), gpu_thread{system, renderer, *dma_pusher} {}
+    : GPU(system, renderer), gpu_thread{system} {}
 
 GPUAsynch::~GPUAsynch() = default;
 
+void GPUAsynch::Start() {
+    gpu_thread.StartThread(renderer, *dma_pusher);
+}
+
 void GPUAsynch::PushGPUEntries(Tegra::CommandList&& entries) {
     gpu_thread.SubmitList(std::move(entries));
 }

src/video_core/gpu_asynch.h

@@ -13,16 +13,13 @@ class RendererBase;
 
 namespace VideoCommon {
 
-namespace GPUThread {
-class ThreadManager;
-} // namespace GPUThread
-
 /// Implementation of GPU interface that runs the GPU asynchronously
 class GPUAsynch : public Tegra::GPU {
 public:
     explicit GPUAsynch(Core::System& system, VideoCore::RendererBase& renderer);
     ~GPUAsynch() override;
 
+    void Start() override;
     void PushGPUEntries(Tegra::CommandList&& entries) override;
     void SwapBuffers(
         std::optional<std::reference_wrapper<const Tegra::FramebufferConfig>> framebuffer) override;

src/video_core/gpu_synch.cpp

@@ -8,10 +8,12 @@
 namespace VideoCommon {
 
 GPUSynch::GPUSynch(Core::System& system, VideoCore::RendererBase& renderer)
-    : Tegra::GPU(system, renderer) {}
+    : GPU(system, renderer) {}
 
 GPUSynch::~GPUSynch() = default;
 
+void GPUSynch::Start() {}
+
 void GPUSynch::PushGPUEntries(Tegra::CommandList&& entries) {
     dma_pusher->Push(std::move(entries));
     dma_pusher->DispatchCalls();

src/video_core/gpu_synch.h

@@ -18,6 +18,7 @@ public:
     explicit GPUSynch(Core::System& system, VideoCore::RendererBase& renderer);
     ~GPUSynch() override;
 
+    void Start() override;
     void PushGPUEntries(Tegra::CommandList&& entries) override;
     void SwapBuffers(
         std::optional<std::reference_wrapper<const Tegra::FramebufferConfig>> framebuffer) override;

src/video_core/gpu_thread.cpp

@@ -55,19 +55,24 @@ static void RunThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_p
     }
 }
 
-ThreadManager::ThreadManager(Core::System& system, VideoCore::RendererBase& renderer,
-                             Tegra::DmaPusher& dma_pusher)
-    : system{system}, thread{RunThread, std::ref(renderer), std::ref(dma_pusher), std::ref(state)} {
-    synchronization_event = system.CoreTiming().RegisterEvent(
-        "GPUThreadSynch", [this](u64 fence, s64) { state.WaitForSynchronization(fence); });
-}
+ThreadManager::ThreadManager(Core::System& system) : system{system} {}
 
 ThreadManager::~ThreadManager() {
+    if (!thread.joinable()) {
+        return;
+    }
+
     // Notify GPU thread that a shutdown is pending
     PushCommand(EndProcessingCommand());
     thread.join();
 }
 
+void ThreadManager::StartThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_pusher) {
+    thread = std::thread{RunThread, std::ref(renderer), std::ref(dma_pusher), std::ref(state)};
+    synchronization_event = system.CoreTiming().RegisterEvent(
+        "GPUThreadSynch", [this](u64 fence, s64) { state.WaitForSynchronization(fence); });
+}
+
 void ThreadManager::SubmitList(Tegra::CommandList&& entries) {
     const u64 fence{PushCommand(SubmitListCommand(std::move(entries)))};
     const s64 synchronization_ticks{Core::Timing::usToCycles(9000)};

src/video_core/gpu_thread.h

@@ -138,10 +138,12 @@ struct SynchState final {
 /// Class used to manage the GPU thread
 class ThreadManager final {
 public:
-    explicit ThreadManager(Core::System& system, VideoCore::RendererBase& renderer,
-                           Tegra::DmaPusher& dma_pusher);
+    explicit ThreadManager(Core::System& system);
     ~ThreadManager();
 
+    /// Creates and starts the GPU thread.
+    void StartThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_pusher);
+
     /// Push GPU command entries to be processed
     void SubmitList(Tegra::CommandList&& entries);
 

src/video_core/memory_manager.cpp

@@ -199,7 +199,15 @@ const u8* MemoryManager::GetPointer(GPUVAddr addr) const {
     return {};
 }
 
-void MemoryManager::ReadBlock(GPUVAddr src_addr, void* dest_buffer, std::size_t size) const {
+bool MemoryManager::IsBlockContinous(const GPUVAddr start, const std::size_t size) {
+    const GPUVAddr end = start + size;
+    const auto host_ptr_start = reinterpret_cast<std::uintptr_t>(GetPointer(start));
+    const auto host_ptr_end = reinterpret_cast<std::uintptr_t>(GetPointer(end));
+    const std::size_t range = static_cast<std::size_t>(host_ptr_end - host_ptr_start);
+    return range == size;
+}
+
+void MemoryManager::ReadBlock(GPUVAddr src_addr, void* dest_buffer, const std::size_t size) const {
     std::size_t remaining_size{size};
     std::size_t page_index{src_addr >> page_bits};
     std::size_t page_offset{src_addr & page_mask};
@@ -226,7 +234,30 @@ void MemoryManager::ReadBlock(GPUVAddr src_addr, void* dest_buffer, std::size_t
     }
 }
 
-void MemoryManager::WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::size_t size) {
+void MemoryManager::ReadBlockUnsafe(GPUVAddr src_addr, void* dest_buffer,
+                                    const std::size_t size) const {
+    std::size_t remaining_size{size};
+    std::size_t page_index{src_addr >> page_bits};
+    std::size_t page_offset{src_addr & page_mask};
+
+    while (remaining_size > 0) {
+        const std::size_t copy_amount{
+            std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)};
+        const u8* page_pointer = page_table.pointers[page_index];
+        if (page_pointer) {
+            const u8* src_ptr{page_pointer + page_offset};
+            std::memcpy(dest_buffer, src_ptr, copy_amount);
+        } else {
+            std::memset(dest_buffer, 0, copy_amount);
+        }
+        page_index++;
+        page_offset = 0;
+        dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
+        remaining_size -= copy_amount;
+    }
+}
+
+void MemoryManager::WriteBlock(GPUVAddr dest_addr, const void* src_buffer, const std::size_t size) {
     std::size_t remaining_size{size};
     std::size_t page_index{dest_addr >> page_bits};
     std::size_t page_offset{dest_addr & page_mask};
@@ -253,7 +284,28 @@ void MemoryManager::WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::
     }
 }
 
-void MemoryManager::CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t size) {
+void MemoryManager::WriteBlockUnsafe(GPUVAddr dest_addr, const void* src_buffer,
+                                     const std::size_t size) {
+    std::size_t remaining_size{size};
+    std::size_t page_index{dest_addr >> page_bits};
+    std::size_t page_offset{dest_addr & page_mask};
+
+    while (remaining_size > 0) {
+        const std::size_t copy_amount{
+            std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)};
+        u8* page_pointer = page_table.pointers[page_index];
+        if (page_pointer) {
+            u8* dest_ptr{page_pointer + page_offset};
+            std::memcpy(dest_ptr, src_buffer, copy_amount);
+        }
+        page_index++;
+        page_offset = 0;
+        src_buffer = static_cast<const u8*>(src_buffer) + copy_amount;
+        remaining_size -= copy_amount;
+    }
+}
+
+void MemoryManager::CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, const std::size_t size) {
     std::size_t remaining_size{size};
     std::size_t page_index{src_addr >> page_bits};
     std::size_t page_offset{src_addr & page_mask};
@@ -281,6 +333,12 @@ void MemoryManager::CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t
     }
 }
 
+void MemoryManager::CopyBlockUnsafe(GPUVAddr dest_addr, GPUVAddr src_addr, const std::size_t size) {
+    std::vector<u8> tmp_buffer(size);
+    ReadBlockUnsafe(src_addr, tmp_buffer.data(), size);
+    WriteBlockUnsafe(dest_addr, tmp_buffer.data(), size);
+}
+
 void MemoryManager::MapPages(GPUVAddr base, u64 size, u8* memory, Common::PageType type,
                              VAddr backing_addr) {
     LOG_DEBUG(HW_GPU, "Mapping {} onto {:016X}-{:016X}", fmt::ptr(memory), base * page_size,

src/video_core/memory_manager.h

@@ -65,9 +65,32 @@ public:
     u8* GetPointer(GPUVAddr addr);
     const u8* GetPointer(GPUVAddr addr) const;
 
-    void ReadBlock(GPUVAddr src_addr, void* dest_buffer, std::size_t size) const;
-    void WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::size_t size);
-    void CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t size);
+    // Returns true if the block is continous in host memory, false otherwise
+    bool IsBlockContinous(const GPUVAddr start, const std::size_t size);
+
+    /**
+     * ReadBlock and WriteBlock are full read and write operations over virtual
+     * GPU Memory. It's important to use these when GPU memory may not be continous
+     * in the Host Memory counterpart. Note: This functions cause Host GPU Memory
+     * Flushes and Invalidations, respectively to each operation.
+     */
+    void ReadBlock(GPUVAddr src_addr, void* dest_buffer, const std::size_t size) const;
+    void WriteBlock(GPUVAddr dest_addr, const void* src_buffer, const std::size_t size);
+    void CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, const std::size_t size);
+
+    /**
+     * ReadBlockUnsafe and WriteBlockUnsafe are special versions of ReadBlock and
+     * WriteBlock respectively. In this versions, no flushing or invalidation is actually
+     * done and their performance is similar to a memcpy. This functions can be used
+     * on either of this 2 scenarios instead of their safe counterpart:
+     * - Memory which is sure to never be represented in the Host GPU.
+     * - Memory Managed by a Cache Manager. Example: Texture Flushing should use
+     * WriteBlockUnsafe instead of WriteBlock since it shouldn't invalidate the texture
+     * being flushed.
+     */
+    void ReadBlockUnsafe(GPUVAddr src_addr, void* dest_buffer, const std::size_t size) const;
+    void WriteBlockUnsafe(GPUVAddr dest_addr, const void* src_buffer, const std::size_t size);
+    void CopyBlockUnsafe(GPUVAddr dest_addr, GPUVAddr src_addr, const std::size_t size);
 
 private:
     using VMAMap = std::map<GPUVAddr, VirtualMemoryArea>;

src/video_core/renderer_opengl/gl_device.cpp

@@ -0,0 +1,45 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cstddef>
+#include <glad/glad.h>
+
+#include "common/logging/log.h"
+#include "video_core/renderer_opengl/gl_device.h"
+
+namespace OpenGL {
+
+namespace {
+template <typename T>
+T GetInteger(GLenum pname) {
+    GLint temporary;
+    glGetIntegerv(pname, &temporary);
+    return static_cast<T>(temporary);
+}
+} // Anonymous namespace
+
+Device::Device() {
+    uniform_buffer_alignment = GetInteger<std::size_t>(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT);
+    has_variable_aoffi = TestVariableAoffi();
+}
+
+bool Device::TestVariableAoffi() {
+    const GLchar* AOFFI_TEST = R"(#version 430 core
+uniform sampler2D tex;
+uniform ivec2 variable_offset;
+void main() {
+    gl_Position = textureOffset(tex, vec2(0), variable_offset);
+}
+)";
+    const GLuint shader{glCreateShaderProgramv(GL_VERTEX_SHADER, 1, &AOFFI_TEST)};
+    GLint link_status{};
+    glGetProgramiv(shader, GL_LINK_STATUS, &link_status);
+    glDeleteProgram(shader);
+
+    const bool supported{link_status == GL_TRUE};
+    LOG_INFO(Render_OpenGL, "Renderer_VariableAOFFI: {}", supported);
+    return supported;
+}
+
+} // namespace OpenGL

src/video_core/renderer_opengl/gl_device.h

@@ -0,0 +1,30 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstddef>
+
+namespace OpenGL {
+
+class Device {
+public:
+    Device();
+
+    std::size_t GetUniformBufferAlignment() const {
+        return uniform_buffer_alignment;
+    }
+
+    bool HasVariableAoffi() const {
+        return has_variable_aoffi;
+    }
+
+private:
+    static bool TestVariableAoffi();
+
+    std::size_t uniform_buffer_alignment{};
+    bool has_variable_aoffi{};
+};
+
+} // namespace OpenGL

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -99,22 +99,14 @@ struct FramebufferCacheKey {
 };
 
 RasterizerOpenGL::RasterizerOpenGL(Core::System& system, ScreenInfo& info)
-    : res_cache{*this}, shader_cache{*this, system}, global_cache{*this}, system{system},
+    : res_cache{*this}, shader_cache{*this, system, device}, global_cache{*this}, system{system},
       screen_info{info}, buffer_cache(*this, STREAM_BUFFER_SIZE) {
-    // Create sampler objects
-    for (std::size_t i = 0; i < texture_samplers.size(); ++i) {
-        texture_samplers[i].Create();
-        state.texture_units[i].sampler = texture_samplers[i].sampler.handle;
-    }
-
     OpenGLState::ApplyDefaultState();
 
     shader_program_manager = std::make_unique<GLShader::ProgramManager>();
     state.draw.shader_program = 0;
     state.Apply();
 
-    glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, &uniform_buffer_alignment);
-
     LOG_DEBUG(Render_OpenGL, "Sync fixed function OpenGL state here");
     CheckExtensions();
 }
@@ -313,6 +305,8 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
             case Maxwell::ShaderProgram::Geometry:
                 shader_program_manager->UseTrivialGeometryShader();
                 break;
+            default:
+                break;
             }
             continue;
         }
@@ -321,8 +315,8 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
 
         GLShader::MaxwellUniformData ubo{};
         ubo.SetFromRegs(gpu, stage);
-        const GLintptr offset = buffer_cache.UploadHostMemory(
-            &ubo, sizeof(ubo), static_cast<std::size_t>(uniform_buffer_alignment));
+        const GLintptr offset =
+            buffer_cache.UploadHostMemory(&ubo, sizeof(ubo), device.GetUniformBufferAlignment());
 
         // Bind the emulation info buffer
         bind_ubo_pushbuffer.Push(buffer_cache.GetHandle(), offset,
@@ -706,23 +700,24 @@ void RasterizerOpenGL::DrawArrays() {
     // Add space for index buffer (keeping in mind non-core primitives)
     switch (regs.draw.topology) {
     case Maxwell::PrimitiveTopology::Quads:
-        buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) +
+        buffer_size = Common::AlignUp(buffer_size, 4) +
                       primitive_assembler.CalculateQuadSize(regs.vertex_buffer.count);
         break;
     default:
         if (is_indexed) {
-            buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) + CalculateIndexBufferSize();
+            buffer_size = Common::AlignUp(buffer_size, 4) + CalculateIndexBufferSize();
         }
         break;
     }
 
     // Uniform space for the 5 shader stages
-    buffer_size =
-        Common::AlignUp<std::size_t>(buffer_size, 4) +
-        (sizeof(GLShader::MaxwellUniformData) + uniform_buffer_alignment) * Maxwell::MaxShaderStage;
+    buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) +
+                  (sizeof(GLShader::MaxwellUniformData) + device.GetUniformBufferAlignment()) *
+                      Maxwell::MaxShaderStage;
 
     // Add space for at least 18 constant buffers
-    buffer_size += Maxwell::MaxConstBuffers * (MaxConstbufferSize + uniform_buffer_alignment);
+    buffer_size +=
+        Maxwell::MaxConstBuffers * (MaxConstbufferSize + device.GetUniformBufferAlignment());
 
     const bool invalidate = buffer_cache.Map(buffer_size);
     if (invalidate) {
@@ -813,92 +808,6 @@ bool RasterizerOpenGL::AccelerateDisplay(const Tegra::FramebufferConfig& config,
     return true;
 }
 
-void RasterizerOpenGL::SamplerInfo::Create() {
-    sampler.Create();
-    mag_filter = Tegra::Texture::TextureFilter::Linear;
-    min_filter = Tegra::Texture::TextureFilter::Linear;
-    wrap_u = Tegra::Texture::WrapMode::Wrap;
-    wrap_v = Tegra::Texture::WrapMode::Wrap;
-    wrap_p = Tegra::Texture::WrapMode::Wrap;
-    use_depth_compare = false;
-    depth_compare_func = Tegra::Texture::DepthCompareFunc::Never;
-
-    // OpenGL's default is GL_LINEAR_MIPMAP_LINEAR
-    glSamplerParameteri(sampler.handle, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-    glSamplerParameteri(sampler.handle, GL_TEXTURE_COMPARE_FUNC, GL_NEVER);
-
-    // Other attributes have correct defaults
-}
-
-void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::TSCEntry& config) {
-    const GLuint sampler_id = sampler.handle;
-    if (mag_filter != config.mag_filter) {
-        mag_filter = config.mag_filter;
-        glSamplerParameteri(
-            sampler_id, GL_TEXTURE_MAG_FILTER,
-            MaxwellToGL::TextureFilterMode(mag_filter, Tegra::Texture::TextureMipmapFilter::None));
-    }
-    if (min_filter != config.min_filter || mipmap_filter != config.mipmap_filter) {
-        min_filter = config.min_filter;
-        mipmap_filter = config.mipmap_filter;
-        glSamplerParameteri(sampler_id, GL_TEXTURE_MIN_FILTER,
-                            MaxwellToGL::TextureFilterMode(min_filter, mipmap_filter));
-    }
-
-    if (wrap_u != config.wrap_u) {
-        wrap_u = config.wrap_u;
-        glSamplerParameteri(sampler_id, GL_TEXTURE_WRAP_S, MaxwellToGL::WrapMode(wrap_u));
-    }
-    if (wrap_v != config.wrap_v) {
-        wrap_v = config.wrap_v;
-        glSamplerParameteri(sampler_id, GL_TEXTURE_WRAP_T, MaxwellToGL::WrapMode(wrap_v));
-    }
-    if (wrap_p != config.wrap_p) {
-        wrap_p = config.wrap_p;
-        glSamplerParameteri(sampler_id, GL_TEXTURE_WRAP_R, MaxwellToGL::WrapMode(wrap_p));
-    }
-
-    if (const bool enabled = config.depth_compare_enabled == 1; use_depth_compare != enabled) {
-        use_depth_compare = enabled;
-        glSamplerParameteri(sampler_id, GL_TEXTURE_COMPARE_MODE,
-                            use_depth_compare ? GL_COMPARE_REF_TO_TEXTURE : GL_NONE);
-    }
-
-    if (depth_compare_func != config.depth_compare_func) {
-        depth_compare_func = config.depth_compare_func;
-        glSamplerParameteri(sampler_id, GL_TEXTURE_COMPARE_FUNC,
-                            MaxwellToGL::DepthCompareFunc(depth_compare_func));
-    }
-
-    if (const auto new_border_color = config.GetBorderColor(); border_color != new_border_color) {
-        border_color = new_border_color;
-        glSamplerParameterfv(sampler_id, GL_TEXTURE_BORDER_COLOR, border_color.data());
-    }
-
-    if (const float anisotropic = config.GetMaxAnisotropy(); max_anisotropic != anisotropic) {
-        max_anisotropic = anisotropic;
-        if (GLAD_GL_ARB_texture_filter_anisotropic) {
-            glSamplerParameterf(sampler_id, GL_TEXTURE_MAX_ANISOTROPY, max_anisotropic);
-        } else if (GLAD_GL_EXT_texture_filter_anisotropic) {
-            glSamplerParameterf(sampler_id, GL_TEXTURE_MAX_ANISOTROPY_EXT, max_anisotropic);
-        }
-    }
-
-    if (const float min = config.GetMinLod(); min_lod != min) {
-        min_lod = min;
-        glSamplerParameterf(sampler_id, GL_TEXTURE_MIN_LOD, min_lod);
-    }
-    if (const float max = config.GetMaxLod(); max_lod != max) {
-        max_lod = max;
-        glSamplerParameterf(sampler_id, GL_TEXTURE_MAX_LOD, max_lod);
-    }
-
-    if (const float bias = config.GetLodBias(); lod_bias != bias) {
-        lod_bias = bias;
-        glSamplerParameterf(sampler_id, GL_TEXTURE_LOD_BIAS, lod_bias);
-    }
-}
-
 void RasterizerOpenGL::SetupConstBuffers(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage,
                                          const Shader& shader, GLuint program_handle,
                                          BaseBindings base_bindings) {
@@ -940,8 +849,8 @@ void RasterizerOpenGL::SetupConstBuffers(Tegra::Engines::Maxwell3D::Regs::Shader
         size = Common::AlignUp(size, sizeof(GLvec4));
         ASSERT_MSG(size <= MaxConstbufferSize, "Constbuffer too big");
 
-        const GLintptr const_buffer_offset = buffer_cache.UploadMemory(
-            buffer.address, size, static_cast<std::size_t>(uniform_buffer_alignment));
+        const GLintptr const_buffer_offset =
+            buffer_cache.UploadMemory(buffer.address, size, device.GetUniformBufferAlignment());
 
         bind_ubo_pushbuffer.Push(buffer_cache.GetHandle(), const_buffer_offset, size);
     }
@@ -974,10 +883,18 @@ void RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, const Shader& s
 
     for (u32 bindpoint = 0; bindpoint < entries.size(); ++bindpoint) {
         const auto& entry = entries[bindpoint];
-        const auto texture = maxwell3d.GetStageTexture(stage, entry.GetOffset());
+        Tegra::Texture::FullTextureInfo texture;
+        if (entry.IsBindless()) {
+            const auto cbuf = entry.GetBindlessCBuf();
+            Tegra::Texture::TextureHandle tex_handle;
+            tex_handle.raw = maxwell3d.AccessConstBuffer32(stage, cbuf.first, cbuf.second);
+            texture = maxwell3d.GetTextureInfo(tex_handle, entry.GetOffset());
+        } else {
+            texture = maxwell3d.GetStageTexture(stage, entry.GetOffset());
+        }
         const u32 current_bindpoint = base_bindings.sampler + bindpoint;
 
-        texture_samplers[current_bindpoint].SyncWithConfig(texture.tsc);
+        state.texture_units[current_bindpoint].sampler = sampler_cache.GetSampler(texture.tsc);
 
         if (Surface surface = res_cache.GetTextureSurface(texture, entry); surface) {
             state.texture_units[current_bindpoint].texture =

src/video_core/renderer_opengl/gl_rasterizer.h

@@ -21,10 +21,12 @@
 #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_device.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"
+#include "video_core/renderer_opengl/gl_sampler_cache.h"
 #include "video_core/renderer_opengl/gl_shader_cache.h"
 #include "video_core/renderer_opengl/gl_shader_manager.h"
 #include "video_core/renderer_opengl/gl_state.h"
@@ -72,34 +74,6 @@ public:
                   "The maximum size of a constbuffer must be a multiple of the size of GLvec4");
 
 private:
-    class SamplerInfo {
-    public:
-        OGLSampler sampler;
-
-        /// Creates the sampler object, initializing its state so that it's in sync with the
-        /// SamplerInfo struct.
-        void Create();
-        /// Syncs the sampler object with the config, updating any necessary state.
-        void SyncWithConfig(const Tegra::Texture::TSCEntry& info);
-
-    private:
-        Tegra::Texture::TextureFilter mag_filter = Tegra::Texture::TextureFilter::Nearest;
-        Tegra::Texture::TextureFilter min_filter = Tegra::Texture::TextureFilter::Nearest;
-        Tegra::Texture::TextureMipmapFilter mipmap_filter =
-            Tegra::Texture::TextureMipmapFilter::None;
-        Tegra::Texture::WrapMode wrap_u = Tegra::Texture::WrapMode::ClampToEdge;
-        Tegra::Texture::WrapMode wrap_v = Tegra::Texture::WrapMode::ClampToEdge;
-        Tegra::Texture::WrapMode wrap_p = Tegra::Texture::WrapMode::ClampToEdge;
-        bool use_depth_compare = false;
-        Tegra::Texture::DepthCompareFunc depth_compare_func =
-            Tegra::Texture::DepthCompareFunc::Always;
-        GLvec4 border_color = {};
-        float min_lod = 0.0f;
-        float max_lod = 16.0f;
-        float lod_bias = 0.0f;
-        float max_anisotropic = 1.0f;
-    };
-
     struct FramebufferConfigState {
         bool using_color_fb{};
         bool using_depth_fb{};
@@ -199,14 +173,15 @@ private:
     /// but are needed for correct emulation
     void CheckExtensions();
 
+    const Device device;
     OpenGLState state;
 
     RasterizerCacheOpenGL res_cache;
     ShaderCacheOpenGL shader_cache;
     GlobalRegionCacheOpenGL global_cache;
+    SamplerCacheOpenGL sampler_cache;
 
     Core::System& system;
-
     ScreenInfo& screen_info;
 
     std::unique_ptr<GLShader::ProgramManager> shader_program_manager;
@@ -219,12 +194,9 @@ private:
     FramebufferConfigState current_framebuffer_config_state;
     std::pair<bool, bool> current_depth_stencil_usage{};
 
-    std::array<SamplerInfo, Tegra::Engines::Maxwell3D::Regs::NumTextureSamplers> texture_samplers;
-
     static constexpr std::size_t STREAM_BUFFER_SIZE = 128 * 1024 * 1024;
     OGLBufferCache buffer_cache;
     PrimitiveAssembler primitive_assembler{buffer_cache};
-    GLint uniform_buffer_alignment;
 
     BindBuffersRangePushBuffer bind_ubo_pushbuffer{GL_UNIFORM_BUFFER};
     BindBuffersRangePushBuffer bind_ssbo_pushbuffer{GL_SHADER_STORAGE_BUFFER};

src/video_core/renderer_opengl/gl_rasterizer_cache.cpp

@@ -640,13 +640,16 @@ void CachedSurface::LoadGLBuffer() {
             SwizzleFunc(MortonSwizzleMode::MortonToLinear, params, gl_buffer[i], i);
     } else {
         const u32 bpp = params.GetFormatBpp() / 8;
-        const u32 copy_size = params.width * bpp;
+        const u32 copy_size = (params.width * bpp + GetDefaultBlockWidth(params.pixel_format) - 1) /
+                              GetDefaultBlockWidth(params.pixel_format);
         if (params.pitch == copy_size) {
             std::memcpy(gl_buffer[0].data(), params.host_ptr, params.size_in_bytes_gl);
         } else {
+            const u32 height = (params.height + GetDefaultBlockHeight(params.pixel_format) - 1) /
+                               GetDefaultBlockHeight(params.pixel_format);
             const u8* start{params.host_ptr};
             u8* write_to = gl_buffer[0].data();
-            for (u32 h = params.height; h > 0; h--) {
+            for (u32 h = height; h > 0; h--) {
                 std::memcpy(write_to, start, copy_size);
                 start += params.pitch;
                 write_to += copy_size;

src/video_core/renderer_opengl/gl_sampler_cache.cpp

@@ -0,0 +1,52 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/log.h"
+#include "video_core/renderer_opengl/gl_resource_manager.h"
+#include "video_core/renderer_opengl/gl_sampler_cache.h"
+#include "video_core/renderer_opengl/maxwell_to_gl.h"
+
+namespace OpenGL {
+
+SamplerCacheOpenGL::SamplerCacheOpenGL() = default;
+
+SamplerCacheOpenGL::~SamplerCacheOpenGL() = default;
+
+OGLSampler SamplerCacheOpenGL::CreateSampler(const Tegra::Texture::TSCEntry& tsc) const {
+    OGLSampler sampler;
+    sampler.Create();
+
+    const GLuint sampler_id{sampler.handle};
+    glSamplerParameteri(
+        sampler_id, GL_TEXTURE_MAG_FILTER,
+        MaxwellToGL::TextureFilterMode(tsc.mag_filter, Tegra::Texture::TextureMipmapFilter::None));
+    glSamplerParameteri(sampler_id, GL_TEXTURE_MIN_FILTER,
+                        MaxwellToGL::TextureFilterMode(tsc.min_filter, tsc.mipmap_filter));
+    glSamplerParameteri(sampler_id, GL_TEXTURE_WRAP_S, MaxwellToGL::WrapMode(tsc.wrap_u));
+    glSamplerParameteri(sampler_id, GL_TEXTURE_WRAP_T, MaxwellToGL::WrapMode(tsc.wrap_v));
+    glSamplerParameteri(sampler_id, GL_TEXTURE_WRAP_R, MaxwellToGL::WrapMode(tsc.wrap_p));
+    glSamplerParameteri(sampler_id, GL_TEXTURE_COMPARE_MODE,
+                        tsc.depth_compare_enabled == 1 ? GL_COMPARE_REF_TO_TEXTURE : GL_NONE);
+    glSamplerParameteri(sampler_id, GL_TEXTURE_COMPARE_FUNC,
+                        MaxwellToGL::DepthCompareFunc(tsc.depth_compare_func));
+    glSamplerParameterfv(sampler_id, GL_TEXTURE_BORDER_COLOR, tsc.GetBorderColor().data());
+    glSamplerParameterf(sampler_id, GL_TEXTURE_MIN_LOD, tsc.GetMinLod());
+    glSamplerParameterf(sampler_id, GL_TEXTURE_MAX_LOD, tsc.GetMaxLod());
+    glSamplerParameterf(sampler_id, GL_TEXTURE_LOD_BIAS, tsc.GetLodBias());
+    if (GLAD_GL_ARB_texture_filter_anisotropic) {
+        glSamplerParameterf(sampler_id, GL_TEXTURE_MAX_ANISOTROPY, tsc.GetMaxAnisotropy());
+    } else if (GLAD_GL_EXT_texture_filter_anisotropic) {
+        glSamplerParameterf(sampler_id, GL_TEXTURE_MAX_ANISOTROPY_EXT, tsc.GetMaxAnisotropy());
+    } else if (tsc.GetMaxAnisotropy() != 1) {
+        LOG_WARNING(Render_OpenGL, "Anisotropy not supported by host GPU driver");
+    }
+
+    return sampler;
+}
+
+GLuint SamplerCacheOpenGL::ToSamplerType(const OGLSampler& sampler) const {
+    return sampler.handle;
+}
+
+} // namespace OpenGL

src/video_core/renderer_opengl/gl_sampler_cache.h

@@ -0,0 +1,25 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <glad/glad.h>
+
+#include "video_core/renderer_opengl/gl_resource_manager.h"
+#include "video_core/sampler_cache.h"
+
+namespace OpenGL {
+
+class SamplerCacheOpenGL final : public VideoCommon::SamplerCache<GLuint, OGLSampler> {
+public:
+    explicit SamplerCacheOpenGL();
+    ~SamplerCacheOpenGL();
+
+protected:
+    OGLSampler CreateSampler(const Tegra::Texture::TSCEntry& tsc) const;
+
+    GLuint ToSamplerType(const OGLSampler& sampler) const;
+};
+
+} // namespace OpenGL

src/video_core/renderer_opengl/gl_shader_cache.cpp

@@ -38,13 +38,15 @@ GPUVAddr GetShaderAddress(Maxwell::ShaderProgram program) {
 }
 
 /// Gets the shader program code from memory for the specified address
-ProgramCode GetShaderCode(const u8* host_ptr) {
+ProgramCode GetShaderCode(Tegra::MemoryManager& memory_manager, const GPUVAddr gpu_addr,
+                          const u8* host_ptr) {
     ProgramCode program_code(VideoCommon::Shader::MAX_PROGRAM_LENGTH);
     ASSERT_OR_EXECUTE(host_ptr != nullptr, {
         std::fill(program_code.begin(), program_code.end(), 0);
         return program_code;
     });
-    std::memcpy(program_code.data(), host_ptr, program_code.size() * sizeof(u64));
+    memory_manager.ReadBlockUnsafe(gpu_addr, program_code.data(),
+                                   program_code.size() * sizeof(u64));
     return program_code;
 }
 
@@ -134,8 +136,8 @@ u64 GetUniqueIdentifier(Maxwell::ShaderProgram program_type, const ProgramCode&
 }
 
 /// Creates an unspecialized program from code streams
-GLShader::ProgramResult CreateProgram(Maxwell::ShaderProgram program_type, ProgramCode program_code,
-                                      ProgramCode program_code_b) {
+GLShader::ProgramResult CreateProgram(const Device& device, Maxwell::ShaderProgram program_type,
+                                      ProgramCode program_code, ProgramCode program_code_b) {
     GLShader::ShaderSetup setup(program_code);
     if (program_type == Maxwell::ShaderProgram::VertexA) {
         // VertexB is always enabled, so when VertexA is enabled, we have two vertex shaders.
@@ -149,11 +151,11 @@ GLShader::ProgramResult CreateProgram(Maxwell::ShaderProgram program_type, Progr
     switch (program_type) {
     case Maxwell::ShaderProgram::VertexA:
     case Maxwell::ShaderProgram::VertexB:
-        return GLShader::GenerateVertexShader(setup);
+        return GLShader::GenerateVertexShader(device, setup);
     case Maxwell::ShaderProgram::Geometry:
-        return GLShader::GenerateGeometryShader(setup);
+        return GLShader::GenerateGeometryShader(device, setup);
     case Maxwell::ShaderProgram::Fragment:
-        return GLShader::GenerateFragmentShader(setup);
+        return GLShader::GenerateFragmentShader(device, setup);
     default:
         LOG_CRITICAL(HW_GPU, "Unimplemented program_type={}", static_cast<u32>(program_type));
         UNREACHABLE();
@@ -212,22 +214,20 @@ std::set<GLenum> GetSupportedFormats() {
     return supported_formats;
 }
 
-} // namespace
+} // Anonymous namespace
 
-CachedShader::CachedShader(VAddr cpu_addr, u64 unique_identifier,
+CachedShader::CachedShader(const Device& device, VAddr cpu_addr, u64 unique_identifier,
                            Maxwell::ShaderProgram program_type, ShaderDiskCacheOpenGL& disk_cache,
                            const PrecompiledPrograms& precompiled_programs,
                            ProgramCode&& program_code, ProgramCode&& program_code_b, u8* host_ptr)
     : RasterizerCacheObject{host_ptr}, host_ptr{host_ptr}, cpu_addr{cpu_addr},
       unique_identifier{unique_identifier}, program_type{program_type}, disk_cache{disk_cache},
       precompiled_programs{precompiled_programs} {
-
-    const std::size_t code_size = CalculateProgramSize(program_code);
-    const std::size_t code_size_b =
-        program_code_b.empty() ? 0 : CalculateProgramSize(program_code_b);
-
-    GLShader::ProgramResult program_result =
-        CreateProgram(program_type, program_code, program_code_b);
+    const std::size_t code_size{CalculateProgramSize(program_code)};
+    const std::size_t code_size_b{program_code_b.empty() ? 0
+                                                         : CalculateProgramSize(program_code_b)};
+    GLShader::ProgramResult program_result{
+        CreateProgram(device, program_type, program_code, program_code_b)};
     if (program_result.first.empty()) {
         // TODO(Rodrigo): Unimplemented shader stages hit here, avoid using these for now
         return;
@@ -251,7 +251,6 @@ CachedShader::CachedShader(VAddr cpu_addr, u64 unique_identifier,
     : RasterizerCacheObject{host_ptr}, cpu_addr{cpu_addr}, unique_identifier{unique_identifier},
       program_type{program_type}, disk_cache{disk_cache}, precompiled_programs{
                                                               precompiled_programs} {
-
     code = std::move(result.first);
     entries = result.second;
     shader_length = entries.shader_length;
@@ -344,8 +343,9 @@ ShaderDiskCacheUsage CachedShader::GetUsage(GLenum primitive_mode,
     return {unique_identifier, base_bindings, primitive_mode};
 }
 
-ShaderCacheOpenGL::ShaderCacheOpenGL(RasterizerOpenGL& rasterizer, Core::System& system)
-    : RasterizerCache{rasterizer}, disk_cache{system} {}
+ShaderCacheOpenGL::ShaderCacheOpenGL(RasterizerOpenGL& rasterizer, Core::System& system,
+                                     const Device& device)
+    : RasterizerCache{rasterizer}, disk_cache{system}, device{device} {}
 
 void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
                                       const VideoCore::DiskResourceLoadCallback& callback) {
@@ -363,6 +363,10 @@ void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
     if (stop_loading)
         return;
 
+    // Track if precompiled cache was altered during loading to know if we have to serialize the
+    // virtual precompiled cache file back to the hard drive
+    bool precompiled_cache_altered = false;
+
     // Build shaders
     if (callback)
         callback(VideoCore::LoadCallbackStage::Build, 0, usages.size());
@@ -384,6 +388,7 @@ void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
             if (!shader) {
                 // Invalidate the precompiled cache if a shader dumped shader was rejected
                 disk_cache.InvalidatePrecompiled();
+                precompiled_cache_altered = true;
                 dumps.clear();
             }
         }
@@ -405,8 +410,13 @@ void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
         if (dumps.find(usage) == dumps.end()) {
             const auto& program = precompiled_programs.at(usage);
             disk_cache.SaveDump(usage, program->handle);
+            precompiled_cache_altered = true;
         }
     }
+
+    if (precompiled_cache_altered) {
+        disk_cache.SaveVirtualPrecompiledFile();
+    }
 }
 
 CachedProgram ShaderCacheOpenGL::GeneratePrecompiledProgram(
@@ -439,17 +449,18 @@ std::unordered_map<u64, UnspecializedShader> ShaderCacheOpenGL::GenerateUnspecia
     const std::unordered_map<u64, ShaderDiskCacheDecompiled>& decompiled) {
     std::unordered_map<u64, UnspecializedShader> unspecialized;
 
-    if (callback)
+    if (callback) {
         callback(VideoCore::LoadCallbackStage::Decompile, 0, raws.size());
+    }
 
     for (std::size_t i = 0; i < raws.size(); ++i) {
-        if (stop_loading)
+        if (stop_loading) {
             return {};
-
+        }
         const auto& raw{raws[i]};
-        const u64 unique_identifier = raw.GetUniqueIdentifier();
-        const u64 calculated_hash =
-            GetUniqueIdentifier(raw.GetProgramType(), raw.GetProgramCode(), raw.GetProgramCodeB());
+        const u64 unique_identifier{raw.GetUniqueIdentifier()};
+        const u64 calculated_hash{
+            GetUniqueIdentifier(raw.GetProgramType(), raw.GetProgramCode(), raw.GetProgramCodeB())};
         if (unique_identifier != calculated_hash) {
             LOG_ERROR(
                 Render_OpenGL,
@@ -466,8 +477,8 @@ std::unordered_map<u64, UnspecializedShader> ShaderCacheOpenGL::GenerateUnspecia
             result = {stored_decompiled.code, stored_decompiled.entries};
         } else {
             // Otherwise decompile the shader at boot and save the result to the decompiled file
-            result =
-                CreateProgram(raw.GetProgramType(), raw.GetProgramCode(), raw.GetProgramCodeB());
+            result = CreateProgram(device, raw.GetProgramType(), raw.GetProgramCode(),
+                                   raw.GetProgramCodeB());
             disk_cache.SaveDecompiled(unique_identifier, result.first, result.second);
         }
 
@@ -477,8 +488,9 @@ std::unordered_map<u64, UnspecializedShader> ShaderCacheOpenGL::GenerateUnspecia
             {raw.GetUniqueIdentifier(),
              {std::move(result.first), std::move(result.second), raw.GetProgramType()}});
 
-        if (callback)
+        if (callback) {
             callback(VideoCore::LoadCallbackStage::Decompile, i, raws.size());
+        }
     }
     return unspecialized;
 }
@@ -497,11 +509,12 @@ Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {
 
     if (!shader) {
         // No shader found - create a new one
-        ProgramCode program_code{GetShaderCode(host_ptr)};
+        ProgramCode program_code{GetShaderCode(memory_manager, program_addr, host_ptr)};
         ProgramCode program_code_b;
         if (program == Maxwell::ShaderProgram::VertexA) {
-            program_code_b = GetShaderCode(
-                memory_manager.GetPointer(GetShaderAddress(Maxwell::ShaderProgram::VertexB)));
+            const GPUVAddr program_addr_b{GetShaderAddress(Maxwell::ShaderProgram::VertexB)};
+            program_code_b = GetShaderCode(memory_manager, program_addr_b,
+                                           memory_manager.GetPointer(program_addr_b));
         }
         const u64 unique_identifier = GetUniqueIdentifier(program, program_code, program_code_b);
         const VAddr cpu_addr{*memory_manager.GpuToCpuAddress(program_addr)};
@@ -512,7 +525,7 @@ Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {
                                                precompiled_programs, found->second, host_ptr);
         } else {
             shader = std::make_shared<CachedShader>(
-                cpu_addr, unique_identifier, program, disk_cache, precompiled_programs,
+                device, cpu_addr, unique_identifier, program, disk_cache, precompiled_programs,
                 std::move(program_code), std::move(program_code_b), host_ptr);
         }
         Register(shader);

src/video_core/renderer_opengl/gl_shader_cache.h

@@ -27,6 +27,7 @@ class System;
 namespace OpenGL {
 
 class CachedShader;
+class Device;
 class RasterizerOpenGL;
 struct UnspecializedShader;
 
@@ -38,7 +39,7 @@ using PrecompiledShaders = std::unordered_map<u64, GLShader::ProgramResult>;
 
 class CachedShader final : public RasterizerCacheObject {
 public:
-    explicit CachedShader(VAddr cpu_addr, u64 unique_identifier,
+    explicit CachedShader(const Device& device, VAddr cpu_addr, u64 unique_identifier,
                           Maxwell::ShaderProgram program_type, ShaderDiskCacheOpenGL& disk_cache,
                           const PrecompiledPrograms& precompiled_programs,
                           ProgramCode&& program_code, ProgramCode&& program_code_b, u8* host_ptr);
@@ -112,7 +113,8 @@ private:
 
 class ShaderCacheOpenGL final : public RasterizerCache<Shader> {
 public:
-    explicit ShaderCacheOpenGL(RasterizerOpenGL& rasterizer, Core::System& system);
+    explicit ShaderCacheOpenGL(RasterizerOpenGL& rasterizer, Core::System& system,
+                               const Device& device);
 
     /// Loads disk cache for the current game
     void LoadDiskCache(const std::atomic_bool& stop_loading,
@@ -130,6 +132,8 @@ private:
     CachedProgram GeneratePrecompiledProgram(const ShaderDiskCacheDump& dump,
                                              const std::set<GLenum>& supported_formats);
 
+    const Device& device;
+
     std::array<Shader, Maxwell::MaxShaderProgram> last_shaders;
 
     ShaderDiskCacheOpenGL disk_cache;

src/video_core/renderer_opengl/gl_shader_decompiler.cpp

@@ -15,6 +15,7 @@
 #include "common/assert.h"
 #include "common/common_types.h"
 #include "video_core/engines/maxwell_3d.h"
+#include "video_core/renderer_opengl/gl_device.h"
 #include "video_core/renderer_opengl/gl_rasterizer.h"
 #include "video_core/renderer_opengl/gl_shader_decompiler.h"
 #include "video_core/shader/shader_ir.h"
@@ -119,14 +120,10 @@ std::string GetTopologyName(Tegra::Shader::OutputTopology topology) {
 
 /// Returns true if an object has to be treated as precise
 bool IsPrecise(Operation operand) {
-    const auto& meta = operand.GetMeta();
-
+    const auto& meta{operand.GetMeta()};
     if (const auto arithmetic = std::get_if<MetaArithmetic>(&meta)) {
         return arithmetic->precise;
     }
-    if (const auto half_arithmetic = std::get_if<MetaHalfArithmetic>(&meta)) {
-        return half_arithmetic->precise;
-    }
     return false;
 }
 
@@ -139,8 +136,9 @@ bool IsPrecise(Node node) {
 
 class GLSLDecompiler final {
 public:
-    explicit GLSLDecompiler(const ShaderIR& ir, ShaderStage stage, std::string suffix)
-        : ir{ir}, stage{stage}, suffix{suffix}, header{ir.GetHeader()} {}
+    explicit GLSLDecompiler(const Device& device, const ShaderIR& ir, ShaderStage stage,
+                            std::string suffix)
+        : device{device}, ir{ir}, stage{stage}, suffix{suffix}, header{ir.GetHeader()} {}
 
     void Decompile() {
         DeclareVertex();
@@ -627,28 +625,7 @@ private:
     }
 
     std::string VisitOperand(Operation operation, std::size_t operand_index, Type type) {
-        std::string value = VisitOperand(operation, operand_index);
-        switch (type) {
-        case Type::HalfFloat: {
-            const auto half_meta = std::get_if<MetaHalfArithmetic>(&operation.GetMeta());
-            if (!half_meta) {
-                value = "toHalf2(" + value + ')';
-            }
-
-            switch (half_meta->types.at(operand_index)) {
-            case Tegra::Shader::HalfType::H0_H1:
-                return "toHalf2(" + value + ')';
-            case Tegra::Shader::HalfType::F32:
-                return "vec2(" + value + ')';
-            case Tegra::Shader::HalfType::H0_H0:
-                return "vec2(toHalf2(" + value + ")[0])";
-            case Tegra::Shader::HalfType::H1_H1:
-                return "vec2(toHalf2(" + value + ")[1])";
-            }
-        }
-        default:
-            return CastOperand(value, type);
-        }
+        return CastOperand(VisitOperand(operation, operand_index), type);
     }
 
     std::string CastOperand(const std::string& value, Type type) const {
@@ -662,9 +639,7 @@ private:
         case Type::Uint:
             return "ftou(" + value + ')';
         case Type::HalfFloat:
-            // Can't be handled as a stand-alone value
-            UNREACHABLE();
-            return value;
+            return "toHalf2(" + value + ')';
         }
         UNREACHABLE();
         return value;
@@ -829,8 +804,12 @@ private:
                 // Inline the string as an immediate integer in GLSL (AOFFI arguments are required
                 // to be constant by the standard).
                 expr += std::to_string(static_cast<s32>(immediate->GetValue()));
-            } else {
+            } else if (device.HasVariableAoffi()) {
+                // Avoid using variable AOFFI on unsupported devices.
                 expr += "ftoi(" + Visit(operand) + ')';
+            } else {
+                // Insert 0 on devices not supporting variable AOFFI.
+                expr += '0';
             }
             if (index + 1 < aoffi.size()) {
                 expr += ", ";
@@ -1083,13 +1062,40 @@ private:
         return BitwiseCastResult(value, Type::HalfFloat);
     }
 
+    std::string HClamp(Operation operation) {
+        const std::string value = VisitOperand(operation, 0, Type::HalfFloat);
+        const std::string min = VisitOperand(operation, 1, Type::Float);
+        const std::string max = VisitOperand(operation, 2, Type::Float);
+        const std::string clamped = "clamp(" + value + ", vec2(" + min + "), vec2(" + max + "))";
+        return ApplyPrecise(operation, BitwiseCastResult(clamped, Type::HalfFloat));
+    }
+
+    std::string HUnpack(Operation operation) {
+        const std::string operand{VisitOperand(operation, 0, Type::HalfFloat)};
+        const auto value = [&]() -> std::string {
+            switch (std::get<Tegra::Shader::HalfType>(operation.GetMeta())) {
+            case Tegra::Shader::HalfType::H0_H1:
+                return operand;
+            case Tegra::Shader::HalfType::F32:
+                return "vec2(fromHalf2(" + operand + "))";
+            case Tegra::Shader::HalfType::H0_H0:
+                return "vec2(" + operand + "[0])";
+            case Tegra::Shader::HalfType::H1_H1:
+                return "vec2(" + operand + "[1])";
+            }
+            UNREACHABLE();
+            return "0";
+        }();
+        return "fromHalf2(" + value + ')';
+    }
+
     std::string HMergeF32(Operation operation) {
         return "float(toHalf2(" + Visit(operation[0]) + ")[0])";
     }
 
     std::string HMergeH0(Operation operation) {
-        return "fromHalf2(vec2(toHalf2(" + Visit(operation[0]) + ")[1], toHalf2(" +
-               Visit(operation[1]) + ")[0]))";
+        return "fromHalf2(vec2(toHalf2(" + Visit(operation[1]) + ")[0], toHalf2(" +
+               Visit(operation[0]) + ")[1]))";
     }
 
     std::string HMergeH1(Operation operation) {
@@ -1189,34 +1195,46 @@ private:
         return GenerateUnary(operation, "any", Type::Bool, Type::Bool2);
     }
 
+    template <bool with_nan>
+    std::string GenerateHalfComparison(Operation operation, std::string compare_op) {
+        std::string comparison{GenerateBinaryCall(operation, compare_op, Type::Bool2,
+                                                  Type::HalfFloat, Type::HalfFloat)};
+        if constexpr (!with_nan) {
+            return comparison;
+        }
+        return "halfFloatNanComparison(" + comparison + ", " +
+               VisitOperand(operation, 0, Type::HalfFloat) + ", " +
+               VisitOperand(operation, 1, Type::HalfFloat) + ')';
+    }
+
+    template <bool with_nan>
     std::string Logical2HLessThan(Operation operation) {
-        return GenerateBinaryCall(operation, "lessThan", Type::Bool2, Type::HalfFloat,
-                                  Type::HalfFloat);
+        return GenerateHalfComparison<with_nan>(operation, "lessThan");
     }
 
+    template <bool with_nan>
     std::string Logical2HEqual(Operation operation) {
-        return GenerateBinaryCall(operation, "equal", Type::Bool2, Type::HalfFloat,
-                                  Type::HalfFloat);
+        return GenerateHalfComparison<with_nan>(operation, "equal");
     }
 
+    template <bool with_nan>
     std::string Logical2HLessEqual(Operation operation) {
-        return GenerateBinaryCall(operation, "lessThanEqual", Type::Bool2, Type::HalfFloat,
-                                  Type::HalfFloat);
+        return GenerateHalfComparison<with_nan>(operation, "lessThanEqual");
     }
 
+    template <bool with_nan>
     std::string Logical2HGreaterThan(Operation operation) {
-        return GenerateBinaryCall(operation, "greaterThan", Type::Bool2, Type::HalfFloat,
-                                  Type::HalfFloat);
+        return GenerateHalfComparison<with_nan>(operation, "greaterThan");
     }
 
+    template <bool with_nan>
     std::string Logical2HNotEqual(Operation operation) {
-        return GenerateBinaryCall(operation, "notEqual", Type::Bool2, Type::HalfFloat,
-                                  Type::HalfFloat);
+        return GenerateHalfComparison<with_nan>(operation, "notEqual");
     }
 
+    template <bool with_nan>
     std::string Logical2HGreaterEqual(Operation operation) {
-        return GenerateBinaryCall(operation, "greaterThanEqual", Type::Bool2, Type::HalfFloat,
-                                  Type::HalfFloat);
+        return GenerateHalfComparison<with_nan>(operation, "greaterThanEqual");
     }
 
     std::string Texture(Operation operation) {
@@ -1505,6 +1523,8 @@ private:
         &GLSLDecompiler::Fma<Type::HalfFloat>,
         &GLSLDecompiler::Absolute<Type::HalfFloat>,
         &GLSLDecompiler::HNegate,
+        &GLSLDecompiler::HClamp,
+        &GLSLDecompiler::HUnpack,
         &GLSLDecompiler::HMergeF32,
         &GLSLDecompiler::HMergeH0,
         &GLSLDecompiler::HMergeH1,
@@ -1541,12 +1561,18 @@ private:
         &GLSLDecompiler::LogicalNotEqual<Type::Uint>,
         &GLSLDecompiler::LogicalGreaterEqual<Type::Uint>,
 
-        &GLSLDecompiler::Logical2HLessThan,
-        &GLSLDecompiler::Logical2HEqual,
-        &GLSLDecompiler::Logical2HLessEqual,
-        &GLSLDecompiler::Logical2HGreaterThan,
-        &GLSLDecompiler::Logical2HNotEqual,
-        &GLSLDecompiler::Logical2HGreaterEqual,
+        &GLSLDecompiler::Logical2HLessThan<false>,
+        &GLSLDecompiler::Logical2HEqual<false>,
+        &GLSLDecompiler::Logical2HLessEqual<false>,
+        &GLSLDecompiler::Logical2HGreaterThan<false>,
+        &GLSLDecompiler::Logical2HNotEqual<false>,
+        &GLSLDecompiler::Logical2HGreaterEqual<false>,
+        &GLSLDecompiler::Logical2HLessThan<true>,
+        &GLSLDecompiler::Logical2HEqual<true>,
+        &GLSLDecompiler::Logical2HLessEqual<true>,
+        &GLSLDecompiler::Logical2HGreaterThan<true>,
+        &GLSLDecompiler::Logical2HNotEqual<true>,
+        &GLSLDecompiler::Logical2HGreaterEqual<true>,
 
         &GLSLDecompiler::Texture,
         &GLSLDecompiler::TextureLod,
@@ -1625,6 +1651,7 @@ private:
         return name + '_' + std::to_string(index) + '_' + suffix;
     }
 
+    const Device& device;
     const ShaderIR& ir;
     const ShaderStage stage;
     const std::string suffix;
@@ -1647,11 +1674,18 @@ std::string GetCommonDeclarations() {
            "}\n\n"
            "vec2 toHalf2(float value) {\n"
            "    return unpackHalf2x16(ftou(value));\n"
+           "}\n\n"
+           "bvec2 halfFloatNanComparison(bvec2 comparison, vec2 pair1, vec2 pair2) {\n"
+           "    bvec2 is_nan1 = isnan(pair1);\n"
+           "    bvec2 is_nan2 = isnan(pair2);\n"
+           "    return bvec2(comparison.x || is_nan1.x || is_nan2.x, comparison.y || is_nan1.y || "
+           "is_nan2.y);\n"
            "}\n";
 }
 
-ProgramResult Decompile(const ShaderIR& ir, Maxwell::ShaderStage stage, const std::string& suffix) {
-    GLSLDecompiler decompiler(ir, stage, suffix);
+ProgramResult Decompile(const Device& device, const ShaderIR& ir, Maxwell::ShaderStage stage,
+                        const std::string& suffix) {
+    GLSLDecompiler decompiler(device, ir, stage, suffix);
     decompiler.Decompile();
     return {decompiler.GetResult(), decompiler.GetShaderEntries()};
 }

src/video_core/renderer_opengl/gl_shader_decompiler.h

@@ -12,6 +12,10 @@
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/shader/shader_ir.h"
 
+namespace OpenGL {
+class Device;
+}
+
 namespace VideoCommon::Shader {
 class ShaderIR;
 }
@@ -69,6 +73,7 @@ private:
 struct ShaderEntries {
     std::vector<ConstBufferEntry> const_buffers;
     std::vector<SamplerEntry> samplers;
+    std::vector<SamplerEntry> bindless_samplers;
     std::vector<GlobalMemoryEntry> global_memory_entries;
     std::array<bool, Maxwell::NumClipDistances> clip_distances{};
     std::size_t shader_length{};
@@ -76,7 +81,7 @@ struct ShaderEntries {
 
 std::string GetCommonDeclarations();
 
-ProgramResult Decompile(const VideoCommon::Shader::ShaderIR& ir, Maxwell::ShaderStage stage,
-                        const std::string& suffix);
+ProgramResult Decompile(const Device& device, const VideoCommon::Shader::ShaderIR& ir,
+                        Maxwell::ShaderStage stage, const std::string& suffix);
 
-} // namespace OpenGL::GLShader
+} // namespace OpenGL::GLShader

src/video_core/renderer_opengl/gl_shader_disk_cache.cpp

@@ -104,7 +104,8 @@ bool ShaderDiskCacheRaw::Save(FileUtil::IOFile& file) const {
     return true;
 }
 
-ShaderDiskCacheOpenGL::ShaderDiskCacheOpenGL(Core::System& system) : system{system} {}
+ShaderDiskCacheOpenGL::ShaderDiskCacheOpenGL(Core::System& system)
+    : system{system}, precompiled_cache_virtual_file_offset{0} {}
 
 std::optional<std::pair<std::vector<ShaderDiskCacheRaw>, std::vector<ShaderDiskCacheUsage>>>
 ShaderDiskCacheOpenGL::LoadTransferable() {
@@ -177,6 +178,7 @@ ShaderDiskCacheOpenGL::LoadTransferable() {
             return {};
         }
     }
+
     return {{raws, usages}};
 }
 
@@ -208,59 +210,64 @@ ShaderDiskCacheOpenGL::LoadPrecompiled() {
 std::optional<std::pair<std::unordered_map<u64, ShaderDiskCacheDecompiled>,
                         std::unordered_map<ShaderDiskCacheUsage, ShaderDiskCacheDump>>>
 ShaderDiskCacheOpenGL::LoadPrecompiledFile(FileUtil::IOFile& file) {
+    // Read compressed file from disk and decompress to virtual precompiled cache file
+    std::vector<u8> compressed(file.GetSize());
+    file.ReadBytes(compressed.data(), compressed.size());
+    const std::vector<u8> decompressed = Common::Compression::DecompressDataZSTD(compressed);
+    SaveArrayToPrecompiled(decompressed.data(), decompressed.size());
+    precompiled_cache_virtual_file_offset = 0;
+
     ShaderCacheVersionHash file_hash{};
-    if (file.ReadArray(file_hash.data(), file_hash.size()) != file_hash.size()) {
+    if (!LoadArrayFromPrecompiled(file_hash.data(), file_hash.size())) {
+        precompiled_cache_virtual_file_offset = 0;
         return {};
     }
     if (GetShaderCacheVersionHash() != file_hash) {
         LOG_INFO(Render_OpenGL, "Precompiled cache is from another version of the emulator");
+        precompiled_cache_virtual_file_offset = 0;
         return {};
     }
 
     std::unordered_map<u64, ShaderDiskCacheDecompiled> decompiled;
     std::unordered_map<ShaderDiskCacheUsage, ShaderDiskCacheDump> dumps;
-    while (file.Tell() < file.GetSize()) {
+    while (precompiled_cache_virtual_file_offset < precompiled_cache_virtual_file.GetSize()) {
         PrecompiledEntryKind kind{};
-        if (file.ReadBytes(&kind, sizeof(u32)) != sizeof(u32)) {
+        if (!LoadObjectFromPrecompiled(kind)) {
             return {};
         }
 
         switch (kind) {
         case PrecompiledEntryKind::Decompiled: {
             u64 unique_identifier{};
-            if (file.ReadBytes(&unique_identifier, sizeof(u64)) != sizeof(u64))
+            if (!LoadObjectFromPrecompiled(unique_identifier)) {
                 return {};
+            }
 
-            const auto entry = LoadDecompiledEntry(file);
-            if (!entry)
+            const auto entry = LoadDecompiledEntry();
+            if (!entry) {
                 return {};
+            }
             decompiled.insert({unique_identifier, std::move(*entry)});
             break;
         }
         case PrecompiledEntryKind::Dump: {
             ShaderDiskCacheUsage usage;
-            if (file.ReadBytes(&usage, sizeof(usage)) != sizeof(usage))
+            if (!LoadObjectFromPrecompiled(usage)) {
                 return {};
+            }
 
             ShaderDiskCacheDump dump;
-            if (file.ReadBytes(&dump.binary_format, sizeof(u32)) != sizeof(u32))
+            if (!LoadObjectFromPrecompiled(dump.binary_format)) {
                 return {};
+            }
 
             u32 binary_length{};
-            u32 compressed_size{};
-            if (file.ReadBytes(&binary_length, sizeof(u32)) != sizeof(u32) ||
-                file.ReadBytes(&compressed_size, sizeof(u32)) != sizeof(u32)) {
+            if (!LoadObjectFromPrecompiled(binary_length)) {
                 return {};
             }
 
-            std::vector<u8> compressed_binary(compressed_size);
-            if (file.ReadArray(compressed_binary.data(), compressed_binary.size()) !=
-                compressed_binary.size()) {
-                return {};
-            }
-
-            dump.binary = Common::Compression::DecompressDataZSTD(compressed_binary);
-            if (dump.binary.empty()) {
+            dump.binary.resize(binary_length);
+            if (!LoadArrayFromPrecompiled(dump.binary.data(), dump.binary.size())) {
                 return {};
             }
 
@@ -274,75 +281,71 @@ ShaderDiskCacheOpenGL::LoadPrecompiledFile(FileUtil::IOFile& file) {
     return {{decompiled, dumps}};
 }
 
-std::optional<ShaderDiskCacheDecompiled> ShaderDiskCacheOpenGL::LoadDecompiledEntry(
-    FileUtil::IOFile& file) {
+std::optional<ShaderDiskCacheDecompiled> ShaderDiskCacheOpenGL::LoadDecompiledEntry() {
     u32 code_size{};
-    u32 compressed_code_size{};
-    if (file.ReadBytes(&code_size, sizeof(u32)) != sizeof(u32) ||
-        file.ReadBytes(&compressed_code_size, sizeof(u32)) != sizeof(u32)) {
+    if (!LoadObjectFromPrecompiled(code_size)) {
         return {};
     }
 
-    std::vector<u8> compressed_code(compressed_code_size);
-    if (file.ReadArray(compressed_code.data(), compressed_code.size()) != compressed_code.size()) {
+    std::vector<u8> code(code_size);
+    if (!LoadArrayFromPrecompiled(code.data(), code.size())) {
         return {};
     }
 
-    const std::vector<u8> code = Common::Compression::DecompressDataZSTD(compressed_code);
-    if (code.empty()) {
-        return {};
-    }
     ShaderDiskCacheDecompiled entry;
     entry.code = std::string(reinterpret_cast<const char*>(code.data()), code_size);
 
     u32 const_buffers_count{};
-    if (file.ReadBytes(&const_buffers_count, sizeof(u32)) != sizeof(u32))
+    if (!LoadObjectFromPrecompiled(const_buffers_count)) {
         return {};
+    }
+
     for (u32 i = 0; i < const_buffers_count; ++i) {
         u32 max_offset{};
         u32 index{};
         u8 is_indirect{};
-        if (file.ReadBytes(&max_offset, sizeof(u32)) != sizeof(u32) ||
-            file.ReadBytes(&index, sizeof(u32)) != sizeof(u32) ||
-            file.ReadBytes(&is_indirect, sizeof(u8)) != sizeof(u8)) {
+        if (!LoadObjectFromPrecompiled(max_offset) || !LoadObjectFromPrecompiled(index) ||
+            !LoadObjectFromPrecompiled(is_indirect)) {
             return {};
         }
         entry.entries.const_buffers.emplace_back(max_offset, is_indirect != 0, index);
     }
 
     u32 samplers_count{};
-    if (file.ReadBytes(&samplers_count, sizeof(u32)) != sizeof(u32))
+    if (!LoadObjectFromPrecompiled(samplers_count)) {
         return {};
+    }
+
     for (u32 i = 0; i < samplers_count; ++i) {
         u64 offset{};
         u64 index{};
         u32 type{};
         u8 is_array{};
         u8 is_shadow{};
-        if (file.ReadBytes(&offset, sizeof(u64)) != sizeof(u64) ||
-            file.ReadBytes(&index, sizeof(u64)) != sizeof(u64) ||
-            file.ReadBytes(&type, sizeof(u32)) != sizeof(u32) ||
-            file.ReadBytes(&is_array, sizeof(u8)) != sizeof(u8) ||
-            file.ReadBytes(&is_shadow, sizeof(u8)) != sizeof(u8)) {
+        u8 is_bindless{};
+        if (!LoadObjectFromPrecompiled(offset) || !LoadObjectFromPrecompiled(index) ||
+            !LoadObjectFromPrecompiled(type) || !LoadObjectFromPrecompiled(is_array) ||
+            !LoadObjectFromPrecompiled(is_shadow) || !LoadObjectFromPrecompiled(is_bindless)) {
             return {};
         }
-        entry.entries.samplers.emplace_back(
-            static_cast<std::size_t>(offset), static_cast<std::size_t>(index),
-            static_cast<Tegra::Shader::TextureType>(type), is_array != 0, is_shadow != 0);
+        entry.entries.samplers.emplace_back(static_cast<std::size_t>(offset),
+                                            static_cast<std::size_t>(index),
+                                            static_cast<Tegra::Shader::TextureType>(type),
+                                            is_array != 0, is_shadow != 0, is_bindless != 0);
     }
 
     u32 global_memory_count{};
-    if (file.ReadBytes(&global_memory_count, sizeof(u32)) != sizeof(u32))
+    if (!LoadObjectFromPrecompiled(global_memory_count)) {
         return {};
+    }
+
     for (u32 i = 0; i < global_memory_count; ++i) {
         u32 cbuf_index{};
         u32 cbuf_offset{};
         u8 is_read{};
         u8 is_written{};
-        if (file.ReadBytes(&cbuf_index, sizeof(u32)) != sizeof(u32) ||
-            file.ReadBytes(&cbuf_offset, sizeof(u32)) != sizeof(u32) ||
-            file.ReadBytes(&is_read, sizeof(u8)) != sizeof(u8) ||
-            file.ReadBytes(&is_written, sizeof(u8)) != sizeof(u8)) {
+        if (!LoadObjectFromPrecompiled(cbuf_index) || !LoadObjectFromPrecompiled(cbuf_offset) ||
+            !LoadObjectFromPrecompiled(is_read) || !LoadObjectFromPrecompiled(is_written)) {
             return {};
         }
         entry.entries.global_memory_entries.emplace_back(cbuf_index, cbuf_offset, is_read != 0,
@@ -351,73 +354,81 @@ std::optional<ShaderDiskCacheDecompiled> ShaderDiskCacheOpenGL::LoadDecompiledEn
 
     for (auto& clip_distance : entry.entries.clip_distances) {
         u8 clip_distance_raw{};
-        if (file.ReadBytes(&clip_distance_raw, sizeof(u8)) != sizeof(u8))
+        if (!LoadObjectFromPrecompiled(clip_distance_raw))
             return {};
         clip_distance = clip_distance_raw != 0;
     }
 
     u64 shader_length{};
-    if (file.ReadBytes(&shader_length, sizeof(u64)) != sizeof(u64))
+    if (!LoadObjectFromPrecompiled(shader_length)) {
         return {};
+    }
+
     entry.entries.shader_length = static_cast<std::size_t>(shader_length);
 
     return entry;
 }
 
-bool ShaderDiskCacheOpenGL::SaveDecompiledFile(FileUtil::IOFile& file, u64 unique_identifier,
-                                               const std::string& code,
-                                               const std::vector<u8>& compressed_code,
+bool ShaderDiskCacheOpenGL::SaveDecompiledFile(u64 unique_identifier, const std::string& code,
                                                const GLShader::ShaderEntries& entries) {
-    if (file.WriteObject(static_cast<u32>(PrecompiledEntryKind::Decompiled)) != 1 ||
-        file.WriteObject(unique_identifier) != 1 ||
-        file.WriteObject(static_cast<u32>(code.size())) != 1 ||
-        file.WriteObject(static_cast<u32>(compressed_code.size())) != 1 ||
-        file.WriteArray(compressed_code.data(), compressed_code.size()) != compressed_code.size()) {
+    if (!SaveObjectToPrecompiled(static_cast<u32>(PrecompiledEntryKind::Decompiled)) ||
+        !SaveObjectToPrecompiled(unique_identifier) ||
+        !SaveObjectToPrecompiled(static_cast<u32>(code.size())) ||
+        !SaveArrayToPrecompiled(code.data(), code.size())) {
         return false;
     }
 
-    if (file.WriteObject(static_cast<u32>(entries.const_buffers.size())) != 1)
+    if (!SaveObjectToPrecompiled(static_cast<u32>(entries.const_buffers.size()))) {
         return false;
+    }
     for (const auto& cbuf : entries.const_buffers) {
-        if (file.WriteObject(static_cast<u32>(cbuf.GetMaxOffset())) != 1 ||
-            file.WriteObject(static_cast<u32>(cbuf.GetIndex())) != 1 ||
-            file.WriteObject(static_cast<u8>(cbuf.IsIndirect() ? 1 : 0)) != 1) {
+        if (!SaveObjectToPrecompiled(static_cast<u32>(cbuf.GetMaxOffset())) ||
+            !SaveObjectToPrecompiled(static_cast<u32>(cbuf.GetIndex())) ||
+            !SaveObjectToPrecompiled(static_cast<u8>(cbuf.IsIndirect() ? 1 : 0))) {
             return false;
         }
     }
 
-    if (file.WriteObject(static_cast<u32>(entries.samplers.size())) != 1)
+    if (!SaveObjectToPrecompiled(static_cast<u32>(entries.samplers.size()))) {
         return false;
+    }
     for (const auto& sampler : entries.samplers) {
-        if (file.WriteObject(static_cast<u64>(sampler.GetOffset())) != 1 ||
-            file.WriteObject(static_cast<u64>(sampler.GetIndex())) != 1 ||
-            file.WriteObject(static_cast<u32>(sampler.GetType())) != 1 ||
-            file.WriteObject(static_cast<u8>(sampler.IsArray() ? 1 : 0)) != 1 ||
-            file.WriteObject(static_cast<u8>(sampler.IsShadow() ? 1 : 0)) != 1) {
+        if (!SaveObjectToPrecompiled(static_cast<u64>(sampler.GetOffset())) ||
+            !SaveObjectToPrecompiled(static_cast<u64>(sampler.GetIndex())) ||
+            !SaveObjectToPrecompiled(static_cast<u32>(sampler.GetType())) ||
+            !SaveObjectToPrecompiled(static_cast<u8>(sampler.IsArray() ? 1 : 0)) ||
+            !SaveObjectToPrecompiled(static_cast<u8>(sampler.IsShadow() ? 1 : 0)) ||
+            !SaveObjectToPrecompiled(static_cast<u8>(sampler.IsBindless() ? 1 : 0))) {
             return false;
         }
     }
 
-    if (file.WriteObject(static_cast<u32>(entries.global_memory_entries.size())) != 1)
+    if (!SaveObjectToPrecompiled(static_cast<u32>(entries.global_memory_entries.size()))) {
         return false;
+    }
     for (const auto& gmem : entries.global_memory_entries) {
-        if (file.WriteObject(static_cast<u32>(gmem.GetCbufIndex())) != 1 ||
-            file.WriteObject(static_cast<u32>(gmem.GetCbufOffset())) != 1 ||
-            file.WriteObject(static_cast<u8>(gmem.IsRead() ? 1 : 0)) != 1 ||
-            file.WriteObject(static_cast<u8>(gmem.IsWritten() ? 1 : 0)) != 1) {
+        if (!SaveObjectToPrecompiled(static_cast<u32>(gmem.GetCbufIndex())) ||
+            !SaveObjectToPrecompiled(static_cast<u32>(gmem.GetCbufOffset())) ||
+            !SaveObjectToPrecompiled(static_cast<u8>(gmem.IsRead() ? 1 : 0)) ||
+            !SaveObjectToPrecompiled(static_cast<u8>(gmem.IsWritten() ? 1 : 0))) {
             return false;
         }
     }
 
     for (const bool clip_distance : entries.clip_distances) {
-        if (file.WriteObject(static_cast<u8>(clip_distance ? 1 : 0)) != 1)
+        if (!SaveObjectToPrecompiled(static_cast<u8>(clip_distance ? 1 : 0))) {
             return false;
+        }
     }
 
-    return file.WriteObject(static_cast<u64>(entries.shader_length)) == 1;
+    if (!SaveObjectToPrecompiled(static_cast<u64>(entries.shader_length))) {
+        return false;
+    }
+
+    return true;
 }
 
-void ShaderDiskCacheOpenGL::InvalidateTransferable() const {
+void ShaderDiskCacheOpenGL::InvalidateTransferable() {
     if (!FileUtil::Delete(GetTransferablePath())) {
         LOG_ERROR(Render_OpenGL, "Failed to invalidate transferable file={}",
                   GetTransferablePath());
@@ -425,7 +436,10 @@ void ShaderDiskCacheOpenGL::InvalidateTransferable() const {
     InvalidatePrecompiled();
 }
 
-void ShaderDiskCacheOpenGL::InvalidatePrecompiled() const {
+void ShaderDiskCacheOpenGL::InvalidatePrecompiled() {
+    // Clear virtaul precompiled cache file
+    precompiled_cache_virtual_file.Resize(0);
+
     if (!FileUtil::Delete(GetPrecompiledPath())) {
         LOG_ERROR(Render_OpenGL, "Failed to invalidate precompiled file={}", GetPrecompiledPath());
     }
@@ -481,22 +495,13 @@ void ShaderDiskCacheOpenGL::SaveDecompiled(u64 unique_identifier, const std::str
     if (!IsUsable())
         return;
 
-    const std::vector<u8> compressed_code{Common::Compression::CompressDataZSTDDefault(
-        reinterpret_cast<const u8*>(code.data()), code.size())};
-    if (compressed_code.empty()) {
-        LOG_ERROR(Render_OpenGL, "Failed to compress GLSL code - skipping shader {:016x}",
-                  unique_identifier);
-        return;
+    if (precompiled_cache_virtual_file.GetSize() == 0) {
+        SavePrecompiledHeaderToVirtualPrecompiledCache();
     }
 
-    FileUtil::IOFile file = AppendPrecompiledFile();
-    if (!file.IsOpen())
-        return;
-
-    if (!SaveDecompiledFile(file, unique_identifier, code, compressed_code, entries)) {
+    if (!SaveDecompiledFile(unique_identifier, code, entries)) {
         LOG_ERROR(Render_OpenGL,
                   "Failed to save decompiled entry to the precompiled file - removing");
-        file.Close();
         InvalidatePrecompiled();
     }
 }
@@ -512,28 +517,13 @@ void ShaderDiskCacheOpenGL::SaveDump(const ShaderDiskCacheUsage& usage, GLuint p
     std::vector<u8> binary(binary_length);
     glGetProgramBinary(program, binary_length, nullptr, &binary_format, binary.data());
 
-    const std::vector<u8> compressed_binary =
-        Common::Compression::CompressDataZSTDDefault(binary.data(), binary.size());
-
-    if (compressed_binary.empty()) {
-        LOG_ERROR(Render_OpenGL, "Failed to compress binary program in shader={:016x}",
-                  usage.unique_identifier);
-        return;
-    }
-
-    FileUtil::IOFile file = AppendPrecompiledFile();
-    if (!file.IsOpen())
-        return;
-
-    if (file.WriteObject(static_cast<u32>(PrecompiledEntryKind::Dump)) != 1 ||
-        file.WriteObject(usage) != 1 || file.WriteObject(static_cast<u32>(binary_format)) != 1 ||
-        file.WriteObject(static_cast<u32>(binary_length)) != 1 ||
-        file.WriteObject(static_cast<u32>(compressed_binary.size())) != 1 ||
-        file.WriteArray(compressed_binary.data(), compressed_binary.size()) !=
-            compressed_binary.size()) {
+    if (!SaveObjectToPrecompiled(static_cast<u32>(PrecompiledEntryKind::Dump)) ||
+        !SaveObjectToPrecompiled(usage) ||
+        !SaveObjectToPrecompiled(static_cast<u32>(binary_format)) ||
+        !SaveObjectToPrecompiled(static_cast<u32>(binary_length)) ||
+        !SaveArrayToPrecompiled(binary.data(), binary.size())) {
         LOG_ERROR(Render_OpenGL, "Failed to save binary program file in shader={:016x} - removing",
                   usage.unique_identifier);
-        file.Close();
         InvalidatePrecompiled();
         return;
     }
@@ -566,28 +556,33 @@ FileUtil::IOFile ShaderDiskCacheOpenGL::AppendTransferableFile() const {
     return file;
 }
 
-FileUtil::IOFile ShaderDiskCacheOpenGL::AppendPrecompiledFile() const {
-    if (!EnsureDirectories())
-        return {};
+void ShaderDiskCacheOpenGL::SavePrecompiledHeaderToVirtualPrecompiledCache() {
+    const auto hash{GetShaderCacheVersionHash()};
+    if (!SaveArrayToPrecompiled(hash.data(), hash.size())) {
+        LOG_ERROR(
+            Render_OpenGL,
+            "Failed to write precompiled cache version hash to virtual precompiled cache file");
+    }
+}
+
+void ShaderDiskCacheOpenGL::SaveVirtualPrecompiledFile() {
+    precompiled_cache_virtual_file_offset = 0;
+    const std::vector<u8>& uncompressed = precompiled_cache_virtual_file.ReadAllBytes();
+    const std::vector<u8>& compressed =
+        Common::Compression::CompressDataZSTDDefault(uncompressed.data(), uncompressed.size());
 
     const auto precompiled_path{GetPrecompiledPath()};
-    const bool existed = FileUtil::Exists(precompiled_path);
+    FileUtil::IOFile file(precompiled_path, "wb");
 
-    FileUtil::IOFile file(precompiled_path, "ab");
     if (!file.IsOpen()) {
         LOG_ERROR(Render_OpenGL, "Failed to open precompiled cache in path={}", precompiled_path);
-        return {};
+        return;
     }
-
-    if (!existed || file.GetSize() == 0) {
-        const auto hash{GetShaderCacheVersionHash()};
-        if (file.WriteArray(hash.data(), hash.size()) != hash.size()) {
-            LOG_ERROR(Render_OpenGL, "Failed to write precompiled cache version hash in path={}",
-                      precompiled_path);
-            return {};
-        }
+    if (file.WriteBytes(compressed.data(), compressed.size()) != compressed.size()) {
+        LOG_ERROR(Render_OpenGL, "Failed to write precompiled cache version in path={}",
+                  precompiled_path);
+        return;
     }
-    return file;
 }
 
 bool ShaderDiskCacheOpenGL::EnsureDirectories() const {

src/video_core/renderer_opengl/gl_shader_disk_cache.h

@@ -16,6 +16,7 @@
 
 #include "common/assert.h"
 #include "common/common_types.h"
+#include "core/file_sys/vfs_vector.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/renderer_opengl/gl_shader_gen.h"
 
@@ -172,10 +173,10 @@ public:
     LoadPrecompiled();
 
     /// Removes the transferable (and precompiled) cache file.
-    void InvalidateTransferable() const;
+    void InvalidateTransferable();
 
-    /// Removes the precompiled cache file.
-    void InvalidatePrecompiled() const;
+    /// Removes the precompiled cache file and clears virtual precompiled cache file.
+    void InvalidatePrecompiled();
 
     /// Saves a raw dump to the transferable file. Checks for collisions.
     void SaveRaw(const ShaderDiskCacheRaw& entry);
@@ -190,18 +191,21 @@ public:
     /// Saves a dump entry to the precompiled file. Does not check for collisions.
     void SaveDump(const ShaderDiskCacheUsage& usage, GLuint program);
 
+    /// Serializes virtual precompiled shader cache file to real file
+    void SaveVirtualPrecompiledFile();
+
 private:
     /// Loads the transferable cache. Returns empty on failure.
     std::optional<std::pair<std::unordered_map<u64, ShaderDiskCacheDecompiled>,
                             std::unordered_map<ShaderDiskCacheUsage, ShaderDiskCacheDump>>>
     LoadPrecompiledFile(FileUtil::IOFile& file);
 
-    /// Loads a decompiled cache entry from the passed file. Returns empty on failure.
-    std::optional<ShaderDiskCacheDecompiled> LoadDecompiledEntry(FileUtil::IOFile& file);
+    /// Loads a decompiled cache entry from m_precompiled_cache_virtual_file. Returns empty on
+    /// failure.
+    std::optional<ShaderDiskCacheDecompiled> LoadDecompiledEntry();
 
     /// Saves a decompiled entry to the passed file. Returns true on success.
-    bool SaveDecompiledFile(FileUtil::IOFile& file, u64 unique_identifier, const std::string& code,
-                            const std::vector<u8>& compressed_code,
+    bool SaveDecompiledFile(u64 unique_identifier, const std::string& code,
                             const GLShader::ShaderEntries& entries);
 
     /// Returns if the cache can be used
@@ -210,8 +214,8 @@ private:
     /// Opens current game's transferable file and write it's header if it doesn't exist
     FileUtil::IOFile AppendTransferableFile() const;
 
-    /// Opens current game's precompiled file and write it's header if it doesn't exist
-    FileUtil::IOFile AppendPrecompiledFile() const;
+    /// Save precompiled header to precompiled_cache_in_memory
+    void SavePrecompiledHeaderToVirtualPrecompiledCache();
 
     /// Create shader disk cache directories. Returns true on success.
     bool EnsureDirectories() const;
@@ -234,10 +238,42 @@ private:
     /// Get current game's title id
     std::string GetTitleID() const;
 
+    template <typename T>
+    bool SaveArrayToPrecompiled(const T* data, std::size_t length) {
+        const std::size_t write_length = precompiled_cache_virtual_file.WriteArray(
+            data, length, precompiled_cache_virtual_file_offset);
+        precompiled_cache_virtual_file_offset += write_length;
+        return write_length == sizeof(T) * length;
+    }
+
+    template <typename T>
+    bool LoadArrayFromPrecompiled(T* data, std::size_t length) {
+        const std::size_t read_length = precompiled_cache_virtual_file.ReadArray(
+            data, length, precompiled_cache_virtual_file_offset);
+        precompiled_cache_virtual_file_offset += read_length;
+        return read_length == sizeof(T) * length;
+    }
+
+    template <typename T>
+    bool SaveObjectToPrecompiled(const T& object) {
+        return SaveArrayToPrecompiled(&object, 1);
+    }
+
+    template <typename T>
+    bool LoadObjectFromPrecompiled(T& object) {
+        return LoadArrayFromPrecompiled(&object, 1);
+    }
+
     // Copre system
     Core::System& system;
     // Stored transferable shaders
     std::map<u64, std::unordered_set<ShaderDiskCacheUsage>> transferable;
+    // Stores whole precompiled cache which will be read from or saved to the precompiled chache
+    // file
+    FileSys::VectorVfsFile precompiled_cache_virtual_file;
+    // Stores the current offset of the precompiled cache file for IO purposes
+    std::size_t precompiled_cache_virtual_file_offset;
+
     // The cache has been loaded at boot
     bool tried_to_load{};
 };

src/video_core/renderer_opengl/gl_shader_gen.cpp

@@ -16,7 +16,7 @@ using VideoCommon::Shader::ShaderIR;
 
 static constexpr u32 PROGRAM_OFFSET{10};
 
-ProgramResult GenerateVertexShader(const ShaderSetup& setup) {
+ProgramResult GenerateVertexShader(const Device& device, const ShaderSetup& setup) {
     const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
 
     std::string out = "#extension GL_ARB_separate_shader_objects : enable\n\n";
@@ -34,14 +34,15 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform vs_config {
 
 )";
     ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET);
-    ProgramResult program = Decompile(program_ir, Maxwell3D::Regs::ShaderStage::Vertex, "vertex");
+    ProgramResult program =
+        Decompile(device, 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 =
-            Decompile(program_ir_b, Maxwell3D::Regs::ShaderStage::Vertex, "vertex_b");
+            Decompile(device, program_ir_b, Maxwell3D::Regs::ShaderStage::Vertex, "vertex_b");
 
         out += program_b.first;
     }
@@ -57,6 +58,9 @@ void main() {
     }
 
     out += R"(
+
+    // Set Position Y direction
+    position.y *= utof(config_pack[2]);
     // Check if the flip stage is VertexB
     // Config pack's second value is flip_stage
     if (config_pack[1] == 1) {
@@ -75,7 +79,7 @@ void main() {
     return {out, program.second};
 }
 
-ProgramResult GenerateGeometryShader(const ShaderSetup& setup) {
+ProgramResult GenerateGeometryShader(const Device& device, const ShaderSetup& setup) {
     const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
 
     std::string out = "#extension GL_ARB_separate_shader_objects : enable\n\n";
@@ -95,7 +99,7 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform gs_config {
 )";
     ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET);
     ProgramResult program =
-        Decompile(program_ir, Maxwell3D::Regs::ShaderStage::Geometry, "geometry");
+        Decompile(device, program_ir, Maxwell3D::Regs::ShaderStage::Geometry, "geometry");
     out += program.first;
 
     out += R"(
@@ -106,7 +110,7 @@ void main() {
     return {out, program.second};
 }
 
-ProgramResult GenerateFragmentShader(const ShaderSetup& setup) {
+ProgramResult GenerateFragmentShader(const Device& device, const ShaderSetup& setup) {
     const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
 
     std::string out = "#extension GL_ARB_separate_shader_objects : enable\n\n";
@@ -158,7 +162,7 @@ bool AlphaFunc(in float value) {
 )";
     ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET);
     ProgramResult program =
-        Decompile(program_ir, Maxwell3D::Regs::ShaderStage::Fragment, "fragment");
+        Decompile(device, program_ir, Maxwell3D::Regs::ShaderStage::Fragment, "fragment");
 
     out += program.first;
 

src/video_core/renderer_opengl/gl_shader_gen.h

@@ -10,6 +10,10 @@
 #include "video_core/renderer_opengl/gl_shader_decompiler.h"
 #include "video_core/shader/shader_ir.h"
 
+namespace OpenGL {
+class Device;
+}
+
 namespace OpenGL::GLShader {
 
 using VideoCommon::Shader::ProgramCode;
@@ -39,22 +43,13 @@ private:
     bool has_program_b{};
 };
 
-/**
- * Generates the GLSL vertex shader program source code for the given VS program
- * @returns String of the shader source code
- */
-ProgramResult GenerateVertexShader(const ShaderSetup& setup);
+/// Generates the GLSL vertex shader program source code for the given VS program
+ProgramResult GenerateVertexShader(const Device& device, const ShaderSetup& setup);
 
-/**
- * Generates the GLSL geometry shader program source code for the given GS program
- * @returns String of the shader source code
- */
-ProgramResult GenerateGeometryShader(const ShaderSetup& setup);
+/// Generates the GLSL geometry shader program source code for the given GS program
+ProgramResult GenerateGeometryShader(const Device& device, const ShaderSetup& setup);
 
-/**
- * Generates the GLSL fragment shader program source code for the given FS program
- * @returns String of the shader source code
- */
-ProgramResult GenerateFragmentShader(const ShaderSetup& setup);
+/// Generates the GLSL fragment shader program source code for the given FS program
+ProgramResult GenerateFragmentShader(const Device& device, const ShaderSetup& setup);
 
 } // namespace OpenGL::GLShader

src/video_core/renderer_opengl/gl_state.cpp

@@ -471,8 +471,9 @@ void OpenGLState::ApplyTextures() const {
         const auto& texture_unit = texture_units[i];
         auto& cur_state_texture_unit = cur_state.texture_units[i];
         textures[i] = texture_unit.texture;
-        if (cur_state_texture_unit.texture == textures[i])
+        if (cur_state_texture_unit.texture == textures[i]) {
             continue;
+        }
         cur_state_texture_unit.texture = textures[i];
         if (!has_delta) {
             first = i;
@@ -493,10 +494,11 @@ void OpenGLState::ApplySamplers() const {
     std::array<GLuint, Maxwell::NumTextureSamplers> samplers;
 
     for (std::size_t i = 0; i < std::size(samplers); ++i) {
-        if (cur_state.texture_units[i].sampler == texture_units[i].sampler)
-            continue;
-        cur_state.texture_units[i].sampler = texture_units[i].sampler;
         samplers[i] = texture_units[i].sampler;
+        if (cur_state.texture_units[i].sampler == texture_units[i].sampler) {
+            continue;
+        }
+        cur_state.texture_units[i].sampler = texture_units[i].sampler;
         if (!has_delta) {
             first = i;
             has_delta = true;