Implemented a shader unique identifier.

configuration/config: Use an intermediary variable for accessing players

src/audio_core/audio_renderer.cpp

@@ -8,7 +8,7 @@
 #include "audio_core/codec.h"
 #include "common/assert.h"
 #include "common/logging/log.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/memory.h"
 
 namespace AudioCore {
@@ -72,7 +72,7 @@ private:
     EffectInStatus info{};
 };
 AudioRenderer::AudioRenderer(AudioRendererParameter params,
-                             Kernel::SharedPtr<Kernel::Event> buffer_event)
+                             Kernel::SharedPtr<Kernel::WritableEvent> buffer_event)
     : worker_params{params}, buffer_event{buffer_event}, voices(params.voice_count),
       effects(params.effect_count) {
 

src/audio_core/audio_renderer.h

@@ -15,7 +15,7 @@
 #include "core/hle/kernel/object.h"
 
 namespace Kernel {
-class Event;
+class WritableEvent;
 }
 
 namespace AudioCore {
@@ -208,7 +208,8 @@ static_assert(sizeof(UpdateDataHeader) == 0x40, "UpdateDataHeader has wrong size
 
 class AudioRenderer {
 public:
-    AudioRenderer(AudioRendererParameter params, Kernel::SharedPtr<Kernel::Event> buffer_event);
+    AudioRenderer(AudioRendererParameter params,
+                  Kernel::SharedPtr<Kernel::WritableEvent> buffer_event);
     ~AudioRenderer();
 
     std::vector<u8> UpdateAudioRenderer(const std::vector<u8>& input_params);
@@ -224,7 +225,7 @@ private:
     class VoiceState;
 
     AudioRendererParameter worker_params;
-    Kernel::SharedPtr<Kernel::Event> buffer_event;
+    Kernel::SharedPtr<Kernel::WritableEvent> buffer_event;
     std::vector<VoiceState> voices;
     std::vector<EffectState> effects;
     std::unique_ptr<AudioOut> audio_out;

src/core/CMakeLists.txt

@@ -63,6 +63,10 @@ add_library(core STATIC
     file_sys/sdmc_factory.h
     file_sys/submission_package.cpp
     file_sys/submission_package.h
+    file_sys/system_archive/ng_word.cpp
+    file_sys/system_archive/ng_word.h
+    file_sys/system_archive/system_archive.cpp
+    file_sys/system_archive/system_archive.h
     file_sys/vfs.cpp
     file_sys/vfs.h
     file_sys/vfs_concat.cpp
@@ -97,8 +101,6 @@ add_library(core STATIC
     hle/kernel/client_session.cpp
     hle/kernel/client_session.h
     hle/kernel/errors.h
-    hle/kernel/event.cpp
-    hle/kernel/event.h
     hle/kernel/handle_table.cpp
     hle/kernel/handle_table.h
     hle/kernel/hle_ipc.cpp
@@ -111,6 +113,8 @@ add_library(core STATIC
     hle/kernel/object.h
     hle/kernel/process.cpp
     hle/kernel/process.h
+    hle/kernel/readable_event.cpp
+    hle/kernel/readable_event.h
     hle/kernel/resource_limit.cpp
     hle/kernel/resource_limit.h
     hle/kernel/scheduler.cpp
@@ -133,6 +137,8 @@ add_library(core STATIC
     hle/kernel/vm_manager.h
     hle/kernel/wait_object.cpp
     hle/kernel/wait_object.h
+    hle/kernel/writable_event.cpp
+    hle/kernel/writable_event.h
     hle/lock.cpp
     hle/lock.h
     hle/result.h

src/core/crypto/key_manager.cpp

@@ -246,7 +246,6 @@ std::vector<TicketRaw> GetTicketblob(const FileUtil::IOFile& ticket_save) {
     }
 
     std::vector<TicketRaw> out;
-    u32 magic{};
     for (std::size_t offset = 0; offset + 0x4 < buffer.size(); ++offset) {
         if (buffer[offset] == 0x4 && buffer[offset + 1] == 0x0 && buffer[offset + 2] == 0x1 &&
             buffer[offset + 3] == 0x0) {
@@ -794,7 +793,7 @@ void KeyManager::DeriveBase() {
 
 void KeyManager::DeriveETicket(PartitionDataManager& data) {
     // ETicket keys
-    const auto es = Service::FileSystem::GetUnionContents()->GetEntry(
+    const auto es = Service::FileSystem::GetUnionContents().GetEntry(
         0x0100000000000033, FileSys::ContentRecordType::Program);
 
     if (es == nullptr)

src/core/file_sys/patch_manager.cpp

@@ -75,12 +75,12 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
 
     // Game Updates
     const auto update_tid = GetUpdateTitleID(title_id);
-    const auto update = installed->GetEntry(update_tid, ContentRecordType::Program);
+    const auto update = installed.GetEntry(update_tid, ContentRecordType::Program);
 
     if (update != nullptr && update->GetExeFS() != nullptr &&
         update->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS) {
         LOG_INFO(Loader, "    ExeFS: Update ({}) applied successfully",
-                 FormatTitleVersion(installed->GetEntryVersion(update_tid).value_or(0)));
+                 FormatTitleVersion(installed.GetEntryVersion(update_tid).value_or(0)));
         exefs = update->GetExeFS();
     }
 
@@ -281,13 +281,13 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, Content
 
     // Game Updates
     const auto update_tid = GetUpdateTitleID(title_id);
-    const auto update = installed->GetEntryRaw(update_tid, type);
+    const auto update = installed.GetEntryRaw(update_tid, type);
     if (update != nullptr) {
         const auto new_nca = std::make_shared<NCA>(update, romfs, ivfc_offset);
         if (new_nca->GetStatus() == Loader::ResultStatus::Success &&
             new_nca->GetRomFS() != nullptr) {
             LOG_INFO(Loader, "    RomFS: Update ({}) applied successfully",
-                     FormatTitleVersion(installed->GetEntryVersion(update_tid).value_or(0)));
+                     FormatTitleVersion(installed.GetEntryVersion(update_tid).value_or(0)));
             romfs = new_nca->GetRomFS();
         }
     } else if (update_raw != nullptr) {
@@ -329,8 +329,8 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
     if (nacp != nullptr) {
         out.insert_or_assign("Update", nacp->GetVersionString());
     } else {
-        if (installed->HasEntry(update_tid, ContentRecordType::Program)) {
-            const auto meta_ver = installed->GetEntryVersion(update_tid);
+        if (installed.HasEntry(update_tid, ContentRecordType::Program)) {
+            const auto meta_ver = installed.GetEntryVersion(update_tid);
             if (meta_ver.value_or(0) == 0) {
                 out.insert_or_assign("Update", "");
             } else {
@@ -383,14 +383,13 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
     }
 
     // DLC
-    const auto dlc_entries = installed->ListEntriesFilter(TitleType::AOC, ContentRecordType::Data);
+    const auto dlc_entries = installed.ListEntriesFilter(TitleType::AOC, ContentRecordType::Data);
     std::vector<RegisteredCacheEntry> dlc_match;
     dlc_match.reserve(dlc_entries.size());
     std::copy_if(dlc_entries.begin(), dlc_entries.end(), std::back_inserter(dlc_match),
                  [this, &installed](const RegisteredCacheEntry& entry) {
                      return (entry.title_id & DLC_BASE_TITLE_ID_MASK) == title_id &&
-                            installed->GetEntry(entry)->GetStatus() ==
-                                Loader::ResultStatus::Success;
+                            installed.GetEntry(entry)->GetStatus() == Loader::ResultStatus::Success;
                  });
     if (!dlc_match.empty()) {
         // Ensure sorted so DLC IDs show in order.
@@ -411,7 +410,7 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
 std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::GetControlMetadata() const {
     const auto installed{Service::FileSystem::GetUnionContents()};
 
-    const auto base_control_nca = installed->GetEntry(title_id, ContentRecordType::Control);
+    const auto base_control_nca = installed.GetEntry(title_id, ContentRecordType::Control);
     if (base_control_nca == nullptr)
         return {};
 

src/core/file_sys/registered_cache.cpp

@@ -107,42 +107,41 @@ static ContentRecordType GetCRTypeFromNCAType(NCAContentType type) {
 VirtualFile RegisteredCache::OpenFileOrDirectoryConcat(const VirtualDir& dir,
                                                        std::string_view path) const {
     const auto file = dir->GetFileRelative(path);
-    if (file != nullptr)
-        return file;
-
-    const auto nca_dir = dir->GetDirectoryRelative(path);
-    if (nca_dir != nullptr) {
-        const auto nca_dir = dir->GetDirectoryRelative(path);
-        VirtualFile file = nullptr;
-
-        const auto files = nca_dir->GetFiles();
-        if (files.size() == 1 && files[0]->GetName() == "00") {
-            file = files[0];
-        } else {
-            std::vector<VirtualFile> concat;
-            // Since the files are a two-digit hex number, max is FF.
-            for (std::size_t i = 0; i < 0x100; ++i) {
-                auto next = nca_dir->GetFile(fmt::format("{:02X}", i));
-                if (next != nullptr) {
-                    concat.push_back(std::move(next));
-                } else {
-                    next = nca_dir->GetFile(fmt::format("{:02x}", i));
-                    if (next != nullptr)
-                        concat.push_back(std::move(next));
-                    else
-                        break;
-                }
-            }
-
-            if (concat.empty())
-                return nullptr;
-
-            file = ConcatenatedVfsFile::MakeConcatenatedFile(concat, concat.front()->GetName());
-        }
-
+    if (file != nullptr) {
         return file;
     }
-    return nullptr;
+
+    const auto nca_dir = dir->GetDirectoryRelative(path);
+    if (nca_dir == nullptr) {
+        return nullptr;
+    }
+
+    const auto files = nca_dir->GetFiles();
+    if (files.size() == 1 && files[0]->GetName() == "00") {
+        return files[0];
+    }
+
+    std::vector<VirtualFile> concat;
+    // Since the files are a two-digit hex number, max is FF.
+    for (std::size_t i = 0; i < 0x100; ++i) {
+        auto next = nca_dir->GetFile(fmt::format("{:02X}", i));
+        if (next != nullptr) {
+            concat.push_back(std::move(next));
+        } else {
+            next = nca_dir->GetFile(fmt::format("{:02x}", i));
+            if (next != nullptr) {
+                concat.push_back(std::move(next));
+            } else {
+                break;
+            }
+        }
+    }
+
+    if (concat.empty()) {
+        return nullptr;
+    }
+
+    return ConcatenatedVfsFile::MakeConcatenatedFile(concat, concat.front()->GetName());
 }
 
 VirtualFile RegisteredCache::GetFileAtID(NcaID id) const {

src/core/file_sys/romfs_factory.cpp

@@ -48,7 +48,7 @@ ResultVal<VirtualFile> RomFSFactory::Open(u64 title_id, StorageId storage, Conte
 
     switch (storage) {
     case StorageId::None:
-        res = Service::FileSystem::GetUnionContents()->GetEntry(title_id, type);
+        res = Service::FileSystem::GetUnionContents().GetEntry(title_id, type);
         break;
     case StorageId::NandSystem:
         res = Service::FileSystem::GetSystemNANDContents()->GetEntry(title_id, type);

src/core/file_sys/system_archive/ng_word.cpp

@@ -0,0 +1,81 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <fmt/format.h>
+#include "common/common_types.h"
+#include "core/file_sys/system_archive/ng_word.h"
+#include "core/file_sys/vfs_vector.h"
+
+namespace FileSys::SystemArchive {
+
+namespace NgWord1Data {
+
+constexpr std::size_t NUMBER_WORD_TXT_FILES = 0x10;
+
+// Should this archive replacement mysteriously not work on a future game, consider updating.
+constexpr std::array<u8, 4> VERSION_DAT{0x0, 0x0, 0x0, 0x19}; // 5.1.0 System Version
+
+constexpr std::array<u8, 30> WORD_TXT{
+    0xFE, 0xFF, 0x00, 0x5E, 0x00, 0x76, 0x00, 0x65, 0x00, 0x72, 0x00, 0x79, 0x00, 0x62, 0x00,
+    0x61, 0x00, 0x64, 0x00, 0x77, 0x00, 0x6F, 0x00, 0x72, 0x00, 0x64, 0x00, 0x24, 0x00, 0x0A,
+}; // "^verybadword$" in UTF-16
+
+} // namespace NgWord1Data
+
+VirtualDir NgWord1() {
+    std::vector<VirtualFile> files(NgWord1Data::NUMBER_WORD_TXT_FILES);
+
+    for (std::size_t i = 0; i < files.size(); ++i) {
+        files[i] = std::make_shared<ArrayVfsFile<NgWord1Data::WORD_TXT.size()>>(
+            NgWord1Data::WORD_TXT, fmt::format("{}.txt", i));
+    }
+
+    files.push_back(std::make_shared<ArrayVfsFile<NgWord1Data::WORD_TXT.size()>>(
+        NgWord1Data::WORD_TXT, "common.txt"));
+    files.push_back(std::make_shared<ArrayVfsFile<NgWord1Data::VERSION_DAT.size()>>(
+        NgWord1Data::VERSION_DAT, "version.dat"));
+
+    return std::make_shared<VectorVfsDirectory>(files, std::vector<VirtualDir>{}, "data");
+}
+
+namespace NgWord2Data {
+
+constexpr std::size_t NUMBER_AC_NX_FILES = 0x10;
+
+// Should this archive replacement mysteriously not work on a future game, consider updating.
+constexpr std::array<u8, 4> VERSION_DAT{0x0, 0x0, 0x0, 0x15}; // 5.1.0 System Version
+
+constexpr std::array<u8, 0x2C> AC_NX_DATA{
+    0x1F, 0x8B, 0x08, 0x08, 0xD5, 0x2C, 0x09, 0x5C, 0x04, 0x00, 0x61, 0x63, 0x72, 0x61, 0x77,
+    0x00, 0xED, 0xC1, 0x01, 0x0D, 0x00, 0x00, 0x00, 0xC2, 0x20, 0xFB, 0xA7, 0xB6, 0xC7, 0x07,
+    0x0C, 0x00, 0x00, 0x00, 0xC8, 0x3B, 0x11, 0x00, 0x1C, 0xC7, 0x00, 0x10, 0x00, 0x00,
+}; // Deserializes to no bad words
+
+} // namespace NgWord2Data
+
+VirtualDir NgWord2() {
+    std::vector<VirtualFile> files(NgWord2Data::NUMBER_AC_NX_FILES * 3);
+
+    for (std::size_t i = 0; i < NgWord2Data::NUMBER_AC_NX_FILES; ++i) {
+        files[3 * i] = std::make_shared<ArrayVfsFile<NgWord2Data::AC_NX_DATA.size()>>(
+            NgWord2Data::AC_NX_DATA, fmt::format("ac_{}_b1_nx", i));
+        files[3 * i + 1] = std::make_shared<ArrayVfsFile<NgWord2Data::AC_NX_DATA.size()>>(
+            NgWord2Data::AC_NX_DATA, fmt::format("ac_{}_b2_nx", i));
+        files[3 * i + 2] = std::make_shared<ArrayVfsFile<NgWord2Data::AC_NX_DATA.size()>>(
+            NgWord2Data::AC_NX_DATA, fmt::format("ac_{}_not_b_nx", i));
+    }
+
+    files.push_back(std::make_shared<ArrayVfsFile<NgWord2Data::AC_NX_DATA.size()>>(
+        NgWord2Data::AC_NX_DATA, "ac_common_b1_nx"));
+    files.push_back(std::make_shared<ArrayVfsFile<NgWord2Data::AC_NX_DATA.size()>>(
+        NgWord2Data::AC_NX_DATA, "ac_common_b2_nx"));
+    files.push_back(std::make_shared<ArrayVfsFile<NgWord2Data::AC_NX_DATA.size()>>(
+        NgWord2Data::AC_NX_DATA, "ac_common_not_b_nx"));
+    files.push_back(std::make_shared<ArrayVfsFile<NgWord2Data::VERSION_DAT.size()>>(
+        NgWord2Data::VERSION_DAT, "version.dat"));
+
+    return std::make_shared<VectorVfsDirectory>(files, std::vector<VirtualDir>{}, "data");
+}
+
+} // namespace FileSys::SystemArchive

src/core/file_sys/system_archive/ng_word.h

@@ -0,0 +1,14 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/file_sys/vfs_types.h"
+
+namespace FileSys::SystemArchive {
+
+VirtualDir NgWord1();
+VirtualDir NgWord2();
+
+} // namespace FileSys::SystemArchive

src/core/file_sys/system_archive/system_archive.cpp

@@ -0,0 +1,90 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/log.h"
+#include "core/file_sys/romfs.h"
+#include "core/file_sys/system_archive/ng_word.h"
+#include "core/file_sys/system_archive/system_archive.h"
+
+namespace FileSys::SystemArchive {
+
+constexpr u64 SYSTEM_ARCHIVE_BASE_TITLE_ID = 0x0100000000000800;
+constexpr std::size_t SYSTEM_ARCHIVE_COUNT = 0x28;
+
+using SystemArchiveSupplier = VirtualDir (*)();
+
+struct SystemArchiveDescriptor {
+    u64 title_id;
+    const char* name;
+    SystemArchiveSupplier supplier;
+};
+
+constexpr std::array<SystemArchiveDescriptor, SYSTEM_ARCHIVE_COUNT> SYSTEM_ARCHIVES{{
+    {0x0100000000000800, "CertStore", nullptr},
+    {0x0100000000000801, "ErrorMessage", nullptr},
+    {0x0100000000000802, "MiiModel", nullptr},
+    {0x0100000000000803, "BrowserDll", nullptr},
+    {0x0100000000000804, "Help", nullptr},
+    {0x0100000000000805, "SharedFont", nullptr},
+    {0x0100000000000806, "NgWord", &NgWord1},
+    {0x0100000000000807, "SsidList", nullptr},
+    {0x0100000000000808, "Dictionary", nullptr},
+    {0x0100000000000809, "SystemVersion", nullptr},
+    {0x010000000000080A, "AvatarImage", nullptr},
+    {0x010000000000080B, "LocalNews", nullptr},
+    {0x010000000000080C, "Eula", nullptr},
+    {0x010000000000080D, "UrlBlackList", nullptr},
+    {0x010000000000080E, "TimeZoneBinary", nullptr},
+    {0x010000000000080F, "CertStoreCruiser", nullptr},
+    {0x0100000000000810, "FontNintendoExtension", nullptr},
+    {0x0100000000000811, "FontStandard", nullptr},
+    {0x0100000000000812, "FontKorean", nullptr},
+    {0x0100000000000813, "FontChineseTraditional", nullptr},
+    {0x0100000000000814, "FontChineseSimple", nullptr},
+    {0x0100000000000815, "FontBfcpx", nullptr},
+    {0x0100000000000816, "SystemUpdate", nullptr},
+    {0x0100000000000817, "0100000000000817", nullptr},
+    {0x0100000000000818, "FirmwareDebugSettings", nullptr},
+    {0x0100000000000819, "BootImagePackage", nullptr},
+    {0x010000000000081A, "BootImagePackageSafe", nullptr},
+    {0x010000000000081B, "BootImagePackageExFat", nullptr},
+    {0x010000000000081C, "BootImagePackageExFatSafe", nullptr},
+    {0x010000000000081D, "FatalMessage", nullptr},
+    {0x010000000000081E, "ControllerIcon", nullptr},
+    {0x010000000000081F, "PlatformConfigIcosa", nullptr},
+    {0x0100000000000820, "PlatformConfigCopper", nullptr},
+    {0x0100000000000821, "PlatformConfigHoag", nullptr},
+    {0x0100000000000822, "ControllerFirmware", nullptr},
+    {0x0100000000000823, "NgWord2", &NgWord2},
+    {0x0100000000000824, "PlatformConfigIcosaMariko", nullptr},
+    {0x0100000000000825, "ApplicationBlackList", nullptr},
+    {0x0100000000000826, "RebootlessSystemUpdateVersion", nullptr},
+    {0x0100000000000827, "ContentActionTable", nullptr},
+}};
+
+VirtualFile SynthesizeSystemArchive(const u64 title_id) {
+    if (title_id < SYSTEM_ARCHIVES.front().title_id || title_id > SYSTEM_ARCHIVES.back().title_id)
+        return nullptr;
+
+    const auto& desc = SYSTEM_ARCHIVES[title_id - SYSTEM_ARCHIVE_BASE_TITLE_ID];
+
+    LOG_INFO(Service_FS, "Synthesizing system archive '{}' (0x{:016X}).", desc.name, desc.title_id);
+
+    if (desc.supplier == nullptr)
+        return nullptr;
+
+    const auto dir = desc.supplier();
+
+    if (dir == nullptr)
+        return nullptr;
+
+    const auto romfs = CreateRomFS(dir);
+
+    if (romfs == nullptr)
+        return nullptr;
+
+    LOG_INFO(Service_FS, "    - System archive generation successful!");
+    return romfs;
+}
+} // namespace FileSys::SystemArchive

src/core/file_sys/system_archive/system_archive.h

@@ -0,0 +1,14 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+#include "core/file_sys/vfs_types.h"
+
+namespace FileSys::SystemArchive {
+
+VirtualFile SynthesizeSystemArchive(u64 title_id);
+
+} // namespace FileSys::SystemArchive

src/core/file_sys/vfs.cpp

@@ -384,6 +384,28 @@ bool VfsDirectory::DeleteSubdirectoryRecursive(std::string_view name) {
     return success;
 }
 
+bool VfsDirectory::CleanSubdirectoryRecursive(std::string_view name) {
+    auto dir = GetSubdirectory(name);
+    if (dir == nullptr) {
+        return false;
+    }
+
+    bool success = true;
+    for (const auto& file : dir->GetFiles()) {
+        if (!dir->DeleteFile(file->GetName())) {
+            success = false;
+        }
+    }
+
+    for (const auto& sdir : dir->GetSubdirectories()) {
+        if (!dir->DeleteSubdirectoryRecursive(sdir->GetName())) {
+            success = false;
+        }
+    }
+
+    return success;
+}
+
 bool VfsDirectory::Copy(std::string_view src, std::string_view dest) {
     const auto f1 = GetFile(src);
     auto f2 = CreateFile(dest);
@@ -431,10 +453,34 @@ std::shared_ptr<VfsFile> ReadOnlyVfsDirectory::CreateFile(std::string_view name)
     return nullptr;
 }
 
+std::shared_ptr<VfsFile> ReadOnlyVfsDirectory::CreateFileAbsolute(std::string_view path) {
+    return nullptr;
+}
+
+std::shared_ptr<VfsFile> ReadOnlyVfsDirectory::CreateFileRelative(std::string_view path) {
+    return nullptr;
+}
+
+std::shared_ptr<VfsDirectory> ReadOnlyVfsDirectory::CreateDirectoryAbsolute(std::string_view path) {
+    return nullptr;
+}
+
+std::shared_ptr<VfsDirectory> ReadOnlyVfsDirectory::CreateDirectoryRelative(std::string_view path) {
+    return nullptr;
+}
+
 bool ReadOnlyVfsDirectory::DeleteSubdirectory(std::string_view name) {
     return false;
 }
 
+bool ReadOnlyVfsDirectory::DeleteSubdirectoryRecursive(std::string_view name) {
+    return false;
+}
+
+bool ReadOnlyVfsDirectory::CleanSubdirectoryRecursive(std::string_view name) {
+    return false;
+}
+
 bool ReadOnlyVfsDirectory::DeleteFile(std::string_view name) {
     return false;
 }

src/core/file_sys/vfs.h

@@ -245,12 +245,18 @@ public:
     // any failure.
     virtual std::shared_ptr<VfsDirectory> CreateDirectoryAbsolute(std::string_view path);
 
-    // Deletes the subdirectory with name and returns true on success.
+    // Deletes the subdirectory with the given name and returns true on success.
     virtual bool DeleteSubdirectory(std::string_view name) = 0;
-    // Deletes all subdirectories and files of subdirectory with name recirsively and then deletes
-    // the subdirectory. Returns true on success.
+
+    // Deletes all subdirectories and files within the provided directory and then deletes
+    // the directory itself. Returns true on success.
     virtual bool DeleteSubdirectoryRecursive(std::string_view name);
-    // Returnes whether or not the file with name name was deleted successfully.
+
+    // Deletes all subdirectories and files within the provided directory.
+    // Unlike DeleteSubdirectoryRecursive, this does not delete the provided directory.
+    virtual bool CleanSubdirectoryRecursive(std::string_view name);
+
+    // Returns whether or not the file with name name was deleted successfully.
     virtual bool DeleteFile(std::string_view name) = 0;
 
     // Returns whether or not this directory was renamed to name.
@@ -276,7 +282,13 @@ public:
     bool IsReadable() const override;
     std::shared_ptr<VfsDirectory> CreateSubdirectory(std::string_view name) override;
     std::shared_ptr<VfsFile> CreateFile(std::string_view name) override;
+    std::shared_ptr<VfsFile> CreateFileAbsolute(std::string_view path) override;
+    std::shared_ptr<VfsFile> CreateFileRelative(std::string_view path) override;
+    std::shared_ptr<VfsDirectory> CreateDirectoryAbsolute(std::string_view path) override;
+    std::shared_ptr<VfsDirectory> CreateDirectoryRelative(std::string_view path) override;
     bool DeleteSubdirectory(std::string_view name) override;
+    bool DeleteSubdirectoryRecursive(std::string_view name) override;
+    bool CleanSubdirectoryRecursive(std::string_view name) override;
     bool DeleteFile(std::string_view name) override;
     bool Rename(std::string_view name) override;
 };

src/core/file_sys/vfs_vector.cpp

@@ -3,7 +3,6 @@
 // Refer to the license.txt file included.
 
 #include <algorithm>
-#include <cstring>
 #include <utility>
 #include "core/file_sys/vfs_vector.h"
 

src/core/file_sys/vfs_vector.h

@@ -4,10 +4,63 @@
 
 #pragma once
 
+#include <cstring>
 #include "core/file_sys/vfs.h"
 
 namespace FileSys {
 
+// An implementation of VfsFile that is backed by a statically-sized array
+template <std::size_t size>
+class ArrayVfsFile : public VfsFile {
+public:
+    ArrayVfsFile(std::array<u8, size> data, std::string name = "", VirtualDir parent = nullptr)
+        : data(data), name(std::move(name)), parent(std::move(parent)) {}
+
+    std::string GetName() const override {
+        return name;
+    }
+
+    std::size_t GetSize() const override {
+        return size;
+    }
+
+    bool Resize(std::size_t new_size) override {
+        return false;
+    }
+
+    std::shared_ptr<VfsDirectory> GetContainingDirectory() const override {
+        return parent;
+    }
+
+    bool IsWritable() const override {
+        return false;
+    }
+
+    bool IsReadable() const override {
+        return true;
+    }
+
+    std::size_t Read(u8* data_, std::size_t length, std::size_t offset) const override {
+        const auto read = std::min(length, size - offset);
+        std::memcpy(data_, data.data() + offset, read);
+        return read;
+    }
+
+    std::size_t Write(const u8* data, std::size_t length, std::size_t offset) override {
+        return 0;
+    }
+
+    bool Rename(std::string_view name) override {
+        this->name = name;
+        return true;
+    }
+
+private:
+    std::array<u8, size> data;
+    std::string name;
+    VirtualDir parent;
+};
+
 // An implementation of VfsFile that is backed by a vector optionally supplied upon construction
 class VectorVfsFile : public VfsFile {
 public:

src/core/hle/kernel/handle_table.cpp

@@ -42,9 +42,10 @@ ResultVal<Handle> HandleTable::Create(SharedPtr<Object> obj) {
     u16 generation = next_generation++;
 
     // Overflow count so it fits in the 15 bits dedicated to the generation in the handle.
-    // CTR-OS doesn't use generation 0, so skip straight to 1.
-    if (next_generation >= (1 << 15))
+    // Horizon OS uses zero to represent an invalid handle, so skip to 1.
+    if (next_generation >= (1 << 15)) {
         next_generation = 1;
+    }
 
     generations[slot] = generation;
     objects[slot] = std::move(obj);

src/core/hle/kernel/handle_table.h

@@ -13,6 +13,7 @@
 namespace Kernel {
 
 enum KernelHandle : Handle {
+    InvalidHandle = 0,
     CurrentThread = 0xFFFF8000,
     CurrentProcess = 0xFFFF8001,
 };

src/core/hle/kernel/hle_ipc.cpp

@@ -15,13 +15,14 @@
 #include "common/logging/log.h"
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/hle_ipc.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/process.h"
+#include "core/hle/kernel/readable_event.h"
 #include "core/hle/kernel/server_session.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/memory.h"
 
 namespace Kernel {
@@ -36,11 +37,9 @@ void SessionRequestHandler::ClientDisconnected(const SharedPtr<ServerSession>& s
     boost::range::remove_erase(connected_sessions, server_session);
 }
 
-SharedPtr<Event> HLERequestContext::SleepClientThread(SharedPtr<Thread> thread,
-                                                      const std::string& reason, u64 timeout,
-                                                      WakeupCallback&& callback,
-                                                      Kernel::SharedPtr<Kernel::Event> event) {
-
+SharedPtr<WritableEvent> HLERequestContext::SleepClientThread(
+    SharedPtr<Thread> thread, const std::string& reason, u64 timeout, WakeupCallback&& callback,
+    SharedPtr<WritableEvent> writable_event) {
     // Put the client thread to sleep until the wait event is signaled or the timeout expires.
     thread->SetWakeupCallback([context = *this, callback](
                                   ThreadWakeupReason reason, SharedPtr<Thread> thread,
@@ -51,23 +50,25 @@ SharedPtr<Event> HLERequestContext::SleepClientThread(SharedPtr<Thread> thread,
         return true;
     });
 
-    if (!event) {
+    auto& kernel = Core::System::GetInstance().Kernel();
+    if (!writable_event) {
         // Create event if not provided
-        auto& kernel = Core::System::GetInstance().Kernel();
-        event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "HLE Pause Event: " + reason);
+        const auto pair = WritableEvent::CreateEventPair(kernel, Kernel::ResetType::OneShot,
+                                                         "HLE Pause Event: " + reason);
+        writable_event = pair.writable;
     }
 
-    event->Clear();
+    const auto readable_event{writable_event->GetReadableEvent()};
+    writable_event->Clear();
     thread->SetStatus(ThreadStatus::WaitHLEEvent);
-    thread->SetWaitObjects({event});
-    event->AddWaitingThread(thread);
+    thread->SetWaitObjects({readable_event});
+    readable_event->AddWaitingThread(thread);
 
     if (timeout > 0) {
         thread->WakeAfterDelay(timeout);
     }
 
-    return event;
+    return writable_event;
 }
 
 HLERequestContext::HLERequestContext(SharedPtr<Kernel::ServerSession> server_session)

src/core/hle/kernel/hle_ipc.h

@@ -24,10 +24,11 @@ class ServiceFrameworkBase;
 namespace Kernel {
 
 class Domain;
-class Event;
 class HandleTable;
 class HLERequestContext;
 class Process;
+class ReadableEvent;
+class WritableEvent;
 
 /**
  * Interface implemented by HLE Session handlers.
@@ -119,12 +120,13 @@ public:
      * @param callback Callback to be invoked when the thread is resumed. This callback must write
      * the entire command response once again, regardless of the state of it before this function
      * was called.
-     * @param event Event to use to wake up the thread. If unspecified, an event will be created.
+     * @param writable_event Event to use to wake up the thread. If unspecified, an event will be
+     * created.
      * @returns Event that when signaled will resume the thread and call the callback function.
      */
-    SharedPtr<Event> SleepClientThread(SharedPtr<Thread> thread, const std::string& reason,
-                                       u64 timeout, WakeupCallback&& callback,
-                                       Kernel::SharedPtr<Kernel::Event> event = nullptr);
+    SharedPtr<WritableEvent> SleepClientThread(SharedPtr<Thread> thread, const std::string& reason,
+                                               u64 timeout, WakeupCallback&& callback,
+                                               SharedPtr<WritableEvent> writable_event = nullptr);
 
     /// Populates this context with data from the requesting process/thread.
     ResultCode PopulateFromIncomingCommandBuffer(const HandleTable& handle_table,

src/core/hle/kernel/object.cpp

@@ -13,16 +13,17 @@ Object::~Object() = default;
 
 bool Object::IsWaitable() const {
     switch (GetHandleType()) {
-    case HandleType::Event:
+    case HandleType::ReadableEvent:
     case HandleType::Thread:
+    case HandleType::Process:
     case HandleType::Timer:
     case HandleType::ServerPort:
     case HandleType::ServerSession:
         return true;
 
     case HandleType::Unknown:
+    case HandleType::WritableEvent:
     case HandleType::SharedMemory:
-    case HandleType::Process:
     case HandleType::AddressArbiter:
     case HandleType::ResourceLimit:
     case HandleType::ClientPort:

src/core/hle/kernel/object.h

@@ -19,7 +19,8 @@ using Handle = u32;
 
 enum class HandleType : u32 {
     Unknown,
-    Event,
+    WritableEvent,
+    ReadableEvent,
     SharedMemory,
     Thread,
     Process,
@@ -33,9 +34,9 @@ enum class HandleType : u32 {
 };
 
 enum class ResetType {
-    OneShot,
-    Sticky,
-    Pulse,
+    OneShot, ///< Reset automatically on object acquisition
+    Sticky,  ///< Never reset automatically
+    Pulse,   ///< Reset automatically on wakeup
 };
 
 class Object : NonCopyable {

src/core/hle/kernel/process.cpp

@@ -9,6 +9,7 @@
 #include "common/logging/log.h"
 #include "core/core.h"
 #include "core/file_sys/program_metadata.h"
+#include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/resource_limit.h"
@@ -44,6 +45,25 @@ SharedPtr<Process> Process::Create(KernelCore& kernel, std::string&& name) {
     return process;
 }
 
+SharedPtr<ResourceLimit> Process::GetResourceLimit() const {
+    return resource_limit;
+}
+
+ResultCode Process::ClearSignalState() {
+    if (status == ProcessStatus::Exited) {
+        LOG_ERROR(Kernel, "called on a terminated process instance.");
+        return ERR_INVALID_STATE;
+    }
+
+    if (!is_signaled) {
+        LOG_ERROR(Kernel, "called on a process instance that isn't signaled.");
+        return ERR_INVALID_STATE;
+    }
+
+    is_signaled = false;
+    return RESULT_SUCCESS;
+}
+
 void Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
     program_id = metadata.GetTitleID();
     is_64bit_process = metadata.Is64BitProgram();
@@ -133,13 +153,13 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
         .Unwrap();
 
     vm_manager.LogLayout();
-    status = ProcessStatus::Running;
+    ChangeStatus(ProcessStatus::Running);
 
     Kernel::SetupMainThread(kernel, entry_point, main_thread_priority, *this);
 }
 
 void Process::PrepareForTermination() {
-    status = ProcessStatus::Exited;
+    ChangeStatus(ProcessStatus::Exiting);
 
     const auto stop_threads = [this](const std::vector<SharedPtr<Thread>>& thread_list) {
         for (auto& thread : thread_list) {
@@ -163,6 +183,8 @@ void Process::PrepareForTermination() {
     stop_threads(system.Scheduler(1).GetThreadList());
     stop_threads(system.Scheduler(2).GetThreadList());
     stop_threads(system.Scheduler(3).GetThreadList());
+
+    ChangeStatus(ProcessStatus::Exited);
 }
 
 /**
@@ -261,7 +283,25 @@ ResultCode Process::UnmapMemory(VAddr dst_addr, VAddr /*src_addr*/, u64 size) {
     return vm_manager.UnmapRange(dst_addr, size);
 }
 
-Kernel::Process::Process(KernelCore& kernel) : Object{kernel} {}
+Kernel::Process::Process(KernelCore& kernel) : WaitObject{kernel} {}
 Kernel::Process::~Process() {}
 
+void Process::Acquire(Thread* thread) {
+    ASSERT_MSG(!ShouldWait(thread), "Object unavailable!");
+}
+
+bool Process::ShouldWait(Thread* thread) const {
+    return !is_signaled;
+}
+
+void Process::ChangeStatus(ProcessStatus new_status) {
+    if (status == new_status) {
+        return;
+    }
+
+    status = new_status;
+    is_signaled = true;
+    WakeupAllWaitingThreads();
+}
+
 } // namespace Kernel

src/core/hle/kernel/process.h

@@ -14,9 +14,10 @@
 #include "common/bit_field.h"
 #include "common/common_types.h"
 #include "core/hle/kernel/handle_table.h"
-#include "core/hle/kernel/object.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/kernel/vm_manager.h"
+#include "core/hle/kernel/wait_object.h"
+#include "core/hle/result.h"
 
 namespace FileSys {
 class ProgramMetadata;
@@ -117,7 +118,7 @@ struct CodeSet final {
     VAddr entrypoint = 0;
 };
 
-class Process final : public Object {
+class Process final : public WaitObject {
 public:
     static constexpr std::size_t RANDOM_ENTROPY_SIZE = 4;
 
@@ -171,14 +172,7 @@ public:
     }
 
     /// Gets the resource limit descriptor for this process
-    ResourceLimit& GetResourceLimit() {
-        return *resource_limit;
-    }
-
-    /// Gets the resource limit descriptor for this process
-    const ResourceLimit& GetResourceLimit() const {
-        return *resource_limit;
-    }
+    SharedPtr<ResourceLimit> GetResourceLimit() const;
 
     /// Gets the default CPU ID for this process
     u8 GetDefaultProcessorID() const {
@@ -219,6 +213,16 @@ public:
         return random_entropy.at(index);
     }
 
+    /// Clears the signaled state of the process if and only if it's signaled.
+    ///
+    /// @pre The process must not be already terminated. If this is called on a
+    ///      terminated process, then ERR_INVALID_STATE will be returned.
+    ///
+    /// @pre The process must be in a signaled state. If this is called on a
+    ///      process instance that is not signaled, ERR_INVALID_STATE will be
+    ///      returned.
+    ResultCode ClearSignalState();
+
     /**
      * Loads process-specifics configuration info with metadata provided
      * by an executable.
@@ -267,6 +271,17 @@ private:
     explicit Process(KernelCore& kernel);
     ~Process() override;
 
+    /// Checks if the specified thread should wait until this process is available.
+    bool ShouldWait(Thread* thread) const override;
+
+    /// Acquires/locks this process for the specified thread if it's available.
+    void Acquire(Thread* thread) override;
+
+    /// Changes the process status. If the status is different
+    /// from the current process status, then this will trigger
+    /// a process signal.
+    void ChangeStatus(ProcessStatus new_status);
+
     /// Memory manager for this process.
     Kernel::VMManager vm_manager;
 
@@ -312,6 +327,10 @@ private:
     /// specified by metadata provided to the process during loading.
     bool is_64bit_process = true;
 
+    /// Whether or not this process is signaled. This occurs
+    /// upon the process changing to a different state.
+    bool is_signaled = false;
+
     /// Total running time for the process in ticks.
     u64 total_process_running_time_ticks = 0;
 

src/core/hle/kernel/readable_event.cpp

@@ -4,46 +4,47 @@
 
 #include <algorithm>
 #include "common/assert.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/object.h"
+#include "core/hle/kernel/readable_event.h"
 #include "core/hle/kernel/thread.h"
 
 namespace Kernel {
 
-Event::Event(KernelCore& kernel) : WaitObject{kernel} {}
-Event::~Event() = default;
+ReadableEvent::ReadableEvent(KernelCore& kernel) : WaitObject{kernel} {}
+ReadableEvent::~ReadableEvent() = default;
 
-SharedPtr<Event> Event::Create(KernelCore& kernel, ResetType reset_type, std::string name) {
-    SharedPtr<Event> evt(new Event(kernel));
-
-    evt->signaled = false;
-    evt->reset_type = reset_type;
-    evt->name = std::move(name);
-
-    return evt;
-}
-
-bool Event::ShouldWait(Thread* thread) const {
+bool ReadableEvent::ShouldWait(Thread* thread) const {
     return !signaled;
 }
 
-void Event::Acquire(Thread* thread) {
+void ReadableEvent::Acquire(Thread* thread) {
     ASSERT_MSG(!ShouldWait(thread), "object unavailable!");
 
     if (reset_type == ResetType::OneShot)
         signaled = false;
 }
 
-void Event::Signal() {
+void ReadableEvent::Signal() {
     signaled = true;
     WakeupAllWaitingThreads();
 }
 
-void Event::Clear() {
+void ReadableEvent::Clear() {
     signaled = false;
 }
 
-void Event::WakeupAllWaitingThreads() {
+ResultCode ReadableEvent::Reset() {
+    if (!signaled) {
+        return ERR_INVALID_STATE;
+    }
+
+    Clear();
+
+    return RESULT_SUCCESS;
+}
+
+void ReadableEvent::WakeupAllWaitingThreads() {
     WaitObject::WakeupAllWaitingThreads();
 
     if (reset_type == ResetType::Pulse)

src/core/hle/kernel/readable_event.h

@@ -0,0 +1,66 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/kernel/object.h"
+#include "core/hle/kernel/wait_object.h"
+
+union ResultCode;
+
+namespace Kernel {
+
+class KernelCore;
+class WritableEvent;
+
+class ReadableEvent final : public WaitObject {
+    friend class WritableEvent;
+
+public:
+    ~ReadableEvent() override;
+
+    std::string GetTypeName() const override {
+        return "ReadableEvent";
+    }
+    std::string GetName() const override {
+        return name;
+    }
+
+    ResetType GetResetType() const {
+        return reset_type;
+    }
+
+    static const HandleType HANDLE_TYPE = HandleType::ReadableEvent;
+    HandleType GetHandleType() const override {
+        return HANDLE_TYPE;
+    }
+
+    bool ShouldWait(Thread* thread) const override;
+    void Acquire(Thread* thread) override;
+
+    void WakeupAllWaitingThreads() override;
+
+    /// Unconditionally clears the readable event's state.
+    void Clear();
+
+    /// Clears the readable event's state if and only if it
+    /// has already been signaled.
+    ///
+    /// @pre The event must be in a signaled state. If this event
+    ///      is in an unsignaled state and this function is called,
+    ///      then ERR_INVALID_STATE will be returned.
+    ResultCode Reset();
+
+private:
+    explicit ReadableEvent(KernelCore& kernel);
+
+    void Signal();
+
+    ResetType reset_type;
+    bool signaled;
+
+    std::string name; ///< Name of event (optional)
+};
+
+} // namespace Kernel

src/core/hle/kernel/svc.cpp

@@ -20,21 +20,21 @@
 #include "core/hle/kernel/address_arbiter.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/client_session.h"
-#include "core/hle/kernel/event.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/mutex.h"
 #include "core/hle/kernel/process.h"
+#include "core/hle/kernel/readable_event.h"
 #include "core/hle/kernel/resource_limit.h"
 #include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/shared_memory.h"
 #include "core/hle/kernel/svc.h"
 #include "core/hle/kernel/svc_wrap.h"
 #include "core/hle/kernel/thread.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/lock.h"
 #include "core/hle/result.h"
 #include "core/hle/service/service.h"
-#include "core/settings.h"
 
 namespace Kernel {
 namespace {
@@ -662,7 +662,7 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
         TotalMemoryUsage = 6,
         TotalHeapUsage = 7,
         IsCurrentProcessBeingDebugged = 8,
-        ResourceHandleLimit = 9,
+        RegisterResourceLimit = 9,
         IdleTickCount = 10,
         RandomEntropy = 11,
         PerformanceCounter = 0xF0000002,
@@ -682,37 +682,137 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
         ThreadTickCount = 0xF0000002,
     };
 
-    const auto* current_process = Core::CurrentProcess();
-    const auto& vm_manager = current_process->VMManager();
+    const auto info_id_type = static_cast<GetInfoType>(info_id);
 
-    switch (static_cast<GetInfoType>(info_id)) {
+    switch (info_id_type) {
     case GetInfoType::AllowedCpuIdBitmask:
-        *result = current_process->GetAllowedProcessorMask();
-        break;
     case GetInfoType::AllowedThreadPrioBitmask:
-        *result = current_process->GetAllowedThreadPriorityMask();
-        break;
     case GetInfoType::MapRegionBaseAddr:
-        *result = vm_manager.GetMapRegionBaseAddress();
-        break;
     case GetInfoType::MapRegionSize:
-        *result = vm_manager.GetMapRegionSize();
-        break;
     case GetInfoType::HeapRegionBaseAddr:
-        *result = vm_manager.GetHeapRegionBaseAddress();
-        break;
     case GetInfoType::HeapRegionSize:
-        *result = vm_manager.GetHeapRegionSize();
-        break;
+    case GetInfoType::ASLRRegionBaseAddr:
+    case GetInfoType::ASLRRegionSize:
+    case GetInfoType::NewMapRegionBaseAddr:
+    case GetInfoType::NewMapRegionSize:
     case GetInfoType::TotalMemoryUsage:
-        *result = vm_manager.GetTotalMemoryUsage();
-        break;
     case GetInfoType::TotalHeapUsage:
-        *result = vm_manager.GetTotalHeapUsage();
-        break;
+    case GetInfoType::IsVirtualAddressMemoryEnabled:
+    case GetInfoType::PersonalMmHeapUsage:
+    case GetInfoType::TitleId:
+    case GetInfoType::UserExceptionContextAddr: {
+        if (info_sub_id != 0) {
+            return ERR_INVALID_ENUM_VALUE;
+        }
+
+        const auto& current_process_handle_table = Core::CurrentProcess()->GetHandleTable();
+        const auto process = current_process_handle_table.Get<Process>(static_cast<Handle>(handle));
+        if (!process) {
+            return ERR_INVALID_HANDLE;
+        }
+
+        switch (info_id_type) {
+        case GetInfoType::AllowedCpuIdBitmask:
+            *result = process->GetAllowedProcessorMask();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::AllowedThreadPrioBitmask:
+            *result = process->GetAllowedThreadPriorityMask();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::MapRegionBaseAddr:
+            *result = process->VMManager().GetMapRegionBaseAddress();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::MapRegionSize:
+            *result = process->VMManager().GetMapRegionSize();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::HeapRegionBaseAddr:
+            *result = process->VMManager().GetHeapRegionBaseAddress();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::HeapRegionSize:
+            *result = process->VMManager().GetHeapRegionSize();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::ASLRRegionBaseAddr:
+            *result = process->VMManager().GetASLRRegionBaseAddress();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::ASLRRegionSize:
+            *result = process->VMManager().GetASLRRegionSize();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::NewMapRegionBaseAddr:
+            *result = process->VMManager().GetNewMapRegionBaseAddress();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::NewMapRegionSize:
+            *result = process->VMManager().GetNewMapRegionSize();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::TotalMemoryUsage:
+            *result = process->VMManager().GetTotalMemoryUsage();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::TotalHeapUsage:
+            *result = process->VMManager().GetTotalHeapUsage();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::IsVirtualAddressMemoryEnabled:
+            *result = process->IsVirtualMemoryEnabled();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::TitleId:
+            *result = process->GetTitleID();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::UserExceptionContextAddr:
+            LOG_WARNING(Kernel_SVC,
+                        "(STUBBED) Attempted to query user exception context address, returned 0");
+            *result = 0;
+            return RESULT_SUCCESS;
+
+        default:
+            break;
+        }
+
+        LOG_WARNING(Kernel_SVC, "(STUBBED) Unimplemented svcGetInfo id=0x{:016X}", info_id);
+        return ERR_INVALID_ENUM_VALUE;
+    }
+
     case GetInfoType::IsCurrentProcessBeingDebugged:
         *result = 0;
-        break;
+        return RESULT_SUCCESS;
+
+    case GetInfoType::RegisterResourceLimit: {
+        if (handle != 0) {
+            return ERR_INVALID_HANDLE;
+        }
+
+        if (info_sub_id != 0) {
+            return ERR_INVALID_COMBINATION;
+        }
+
+        Process* const current_process = Core::CurrentProcess();
+        HandleTable& handle_table = current_process->GetHandleTable();
+        const auto resource_limit = current_process->GetResourceLimit();
+        if (!resource_limit) {
+            *result = KernelHandle::InvalidHandle;
+            // Yes, the kernel considers this a successful operation.
+            return RESULT_SUCCESS;
+        }
+
+        const auto table_result = handle_table.Create(resource_limit);
+        if (table_result.Failed()) {
+            return table_result.Code();
+        }
+
+        *result = *table_result;
+        return RESULT_SUCCESS;
+    }
+
     case GetInfoType::RandomEntropy:
         if (handle != 0) {
             LOG_ERROR(Kernel_SVC, "Process Handle is non zero, expected 0 result but got {:016X}",
@@ -726,37 +826,15 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
             return ERR_INVALID_COMBINATION;
         }
 
-        *result = current_process->GetRandomEntropy(info_sub_id);
+        *result = Core::CurrentProcess()->GetRandomEntropy(info_sub_id);
         return RESULT_SUCCESS;
-        break;
-    case GetInfoType::ASLRRegionBaseAddr:
-        *result = vm_manager.GetASLRRegionBaseAddress();
-        break;
-    case GetInfoType::ASLRRegionSize:
-        *result = vm_manager.GetASLRRegionSize();
-        break;
-    case GetInfoType::NewMapRegionBaseAddr:
-        *result = vm_manager.GetNewMapRegionBaseAddress();
-        break;
-    case GetInfoType::NewMapRegionSize:
-        *result = vm_manager.GetNewMapRegionSize();
-        break;
-    case GetInfoType::IsVirtualAddressMemoryEnabled:
-        *result = current_process->IsVirtualMemoryEnabled();
-        break;
-    case GetInfoType::TitleId:
-        *result = current_process->GetTitleID();
-        break;
+
     case GetInfoType::PrivilegedProcessId:
         LOG_WARNING(Kernel_SVC,
                     "(STUBBED) Attempted to query privileged process id bounds, returned 0");
         *result = 0;
-        break;
-    case GetInfoType::UserExceptionContextAddr:
-        LOG_WARNING(Kernel_SVC,
-                    "(STUBBED) Attempted to query user exception context address, returned 0");
-        *result = 0;
-        break;
+        return RESULT_SUCCESS;
+
     case GetInfoType::ThreadTickCount: {
         constexpr u64 num_cpus = 4;
         if (info_sub_id != 0xFFFFFFFFFFFFFFFF && info_sub_id >= num_cpus) {
@@ -766,7 +844,7 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
         }
 
         const auto thread =
-            current_process->GetHandleTable().Get<Thread>(static_cast<Handle>(handle));
+            Core::CurrentProcess()->GetHandleTable().Get<Thread>(static_cast<Handle>(handle));
         if (!thread) {
             LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}",
                       static_cast<Handle>(handle));
@@ -789,14 +867,13 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
         }
 
         *result = out_ticks;
-        break;
+        return RESULT_SUCCESS;
     }
+
     default:
         LOG_WARNING(Kernel_SVC, "(STUBBED) Unimplemented svcGetInfo id=0x{:016X}", info_id);
         return ERR_INVALID_ENUM_VALUE;
     }
-
-    return RESULT_SUCCESS;
 }
 
 /// Sets the thread activity
@@ -1042,9 +1119,9 @@ static void ExitProcess() {
 static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, VAddr stack_top,
                                u32 priority, s32 processor_id) {
     LOG_TRACE(Kernel_SVC,
-              "called entrypoint=0x{:08X} ({}), arg=0x{:08X}, stacktop=0x{:08X}, "
+              "called entrypoint=0x{:08X}, arg=0x{:08X}, stacktop=0x{:08X}, "
               "threadpriority=0x{:08X}, processorid=0x{:08X} : created handle=0x{:08X}",
-              entry_point, name, arg, stack_top, priority, processor_id, *out_handle);
+              entry_point, arg, stack_top, priority, processor_id, *out_handle);
 
     if (priority > THREADPRIO_LOWEST) {
         LOG_ERROR(Kernel_SVC, "An invalid priority was specified, expected {} but got {}",
@@ -1356,17 +1433,24 @@ static ResultCode CloseHandle(Handle handle) {
     return handle_table.Close(handle);
 }
 
-/// Reset an event
+/// Clears the signaled state of an event or process.
 static ResultCode ResetSignal(Handle handle) {
     LOG_DEBUG(Kernel_SVC, "called handle 0x{:08X}", handle);
 
     const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
-    auto event = handle_table.Get<Event>(handle);
 
-    ASSERT(event != nullptr);
+    auto event = handle_table.Get<ReadableEvent>(handle);
+    if (event) {
+        return event->Reset();
+    }
 
-    event->Clear();
-    return RESULT_SUCCESS;
+    auto process = handle_table.Get<Process>(handle);
+    if (process) {
+        return process->ClearSignalState();
+    }
+
+    LOG_ERROR(Kernel_SVC, "Invalid handle (0x{:08X})", handle);
+    return ERR_INVALID_HANDLE;
 }
 
 /// Creates a TransferMemory object
@@ -1520,17 +1604,67 @@ static ResultCode CreateSharedMemory(Handle* handle, u64 size, u32 local_permiss
     return RESULT_SUCCESS;
 }
 
+static ResultCode CreateEvent(Handle* write_handle, Handle* read_handle) {
+    LOG_DEBUG(Kernel_SVC, "called");
+
+    auto& kernel = Core::System::GetInstance().Kernel();
+    const auto [readable_event, writable_event] =
+        WritableEvent::CreateEventPair(kernel, ResetType::Sticky, "CreateEvent");
+
+    HandleTable& handle_table = kernel.CurrentProcess()->GetHandleTable();
+
+    const auto write_create_result = handle_table.Create(writable_event);
+    if (write_create_result.Failed()) {
+        return write_create_result.Code();
+    }
+    *write_handle = *write_create_result;
+
+    const auto read_create_result = handle_table.Create(readable_event);
+    if (read_create_result.Failed()) {
+        handle_table.Close(*write_create_result);
+        return read_create_result.Code();
+    }
+    *read_handle = *read_create_result;
+
+    LOG_DEBUG(Kernel_SVC,
+              "successful. Writable event handle=0x{:08X}, Readable event handle=0x{:08X}",
+              *write_create_result, *read_create_result);
+    return RESULT_SUCCESS;
+}
+
 static ResultCode ClearEvent(Handle handle) {
     LOG_TRACE(Kernel_SVC, "called, event=0x{:08X}", handle);
 
     const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
-    SharedPtr<Event> evt = handle_table.Get<Event>(handle);
-    if (evt == nullptr) {
-        LOG_ERROR(Kernel_SVC, "Event handle does not exist, handle=0x{:08X}", handle);
+
+    auto writable_event = handle_table.Get<WritableEvent>(handle);
+    if (writable_event) {
+        writable_event->Clear();
+        return RESULT_SUCCESS;
+    }
+
+    auto readable_event = handle_table.Get<ReadableEvent>(handle);
+    if (readable_event) {
+        readable_event->Clear();
+        return RESULT_SUCCESS;
+    }
+
+    LOG_ERROR(Kernel_SVC, "Event handle does not exist, handle=0x{:08X}", handle);
+    return ERR_INVALID_HANDLE;
+}
+
+static ResultCode SignalEvent(Handle handle) {
+    LOG_DEBUG(Kernel_SVC, "called. Handle=0x{:08X}", handle);
+
+    HandleTable& handle_table = Core::CurrentProcess()->GetHandleTable();
+    auto writable_event = handle_table.Get<WritableEvent>(handle);
+
+    if (!writable_event) {
+        LOG_ERROR(Kernel_SVC, "Non-existent writable event handle used (0x{:08X})", handle);
         return ERR_INVALID_HANDLE;
     }
 
-    evt->Clear();
+    writable_event->Signal();
     return RESULT_SUCCESS;
 }
 
@@ -1669,7 +1803,7 @@ static const FunctionDef SVC_Table[] = {
     {0x0E, SvcWrap<GetThreadCoreMask>, "GetThreadCoreMask"},
     {0x0F, SvcWrap<SetThreadCoreMask>, "SetThreadCoreMask"},
     {0x10, SvcWrap<GetCurrentProcessorNumber>, "GetCurrentProcessorNumber"},
-    {0x11, nullptr, "SignalEvent"},
+    {0x11, SvcWrap<SignalEvent>, "SignalEvent"},
     {0x12, SvcWrap<ClearEvent>, "ClearEvent"},
     {0x13, SvcWrap<MapSharedMemory>, "MapSharedMemory"},
     {0x14, SvcWrap<UnmapSharedMemory>, "UnmapSharedMemory"},
@@ -1721,7 +1855,7 @@ static const FunctionDef SVC_Table[] = {
     {0x42, nullptr, "ReplyAndReceiveLight"},
     {0x43, nullptr, "ReplyAndReceive"},
     {0x44, nullptr, "ReplyAndReceiveWithUserBuffer"},
-    {0x45, nullptr, "CreateEvent"},
+    {0x45, SvcWrap<CreateEvent>, "CreateEvent"},
     {0x46, nullptr, "Unknown"},
     {0x47, nullptr, "Unknown"},
     {0x48, nullptr, "MapPhysicalMemoryUnsafe"},

src/core/hle/kernel/svc_wrap.h

@@ -59,6 +59,19 @@ void SvcWrap() {
     FuncReturn(retval);
 }
 
+template <ResultCode func(u32*, u32*)>
+void SvcWrap() {
+    u32 param_1 = 0;
+    u32 param_2 = 0;
+    const u32 retval = func(&param_1, &param_2).raw;
+
+    auto& arm_interface = Core::CurrentArmInterface();
+    arm_interface.SetReg(1, param_1);
+    arm_interface.SetReg(2, param_2);
+
+    FuncReturn(retval);
+}
+
 template <ResultCode func(u32*, u64)>
 void SvcWrap() {
     u32 param_1 = 0;

src/core/hle/kernel/writable_event.cpp

@@ -0,0 +1,52 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include "common/assert.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/object.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/thread.h"
+#include "core/hle/kernel/writable_event.h"
+
+namespace Kernel {
+
+WritableEvent::WritableEvent(KernelCore& kernel) : Object{kernel} {}
+WritableEvent::~WritableEvent() = default;
+
+EventPair WritableEvent::CreateEventPair(KernelCore& kernel, ResetType reset_type,
+                                         std::string name) {
+    SharedPtr<WritableEvent> writable_event(new WritableEvent(kernel));
+    SharedPtr<ReadableEvent> readable_event(new ReadableEvent(kernel));
+
+    writable_event->name = name + ":Writable";
+    writable_event->readable = readable_event;
+    readable_event->name = name + ":Readable";
+    readable_event->signaled = false;
+    readable_event->reset_type = reset_type;
+
+    return {std::move(readable_event), std::move(writable_event)};
+}
+
+SharedPtr<ReadableEvent> WritableEvent::GetReadableEvent() const {
+    return readable;
+}
+
+ResetType WritableEvent::GetResetType() const {
+    return readable->reset_type;
+}
+
+void WritableEvent::Signal() {
+    readable->Signal();
+}
+
+void WritableEvent::Clear() {
+    readable->Clear();
+}
+
+bool WritableEvent::IsSignaled() const {
+    return readable->signaled;
+}
+
+} // namespace Kernel

src/core/hle/kernel/writable_event.h

@@ -11,49 +11,52 @@
 namespace Kernel {
 
 class KernelCore;
+class ReadableEvent;
+class WritableEvent;
 
-class Event final : public WaitObject {
+struct EventPair {
+    SharedPtr<ReadableEvent> readable;
+    SharedPtr<WritableEvent> writable;
+};
+
+class WritableEvent final : public Object {
 public:
+    ~WritableEvent() override;
+
     /**
      * Creates an event
      * @param kernel The kernel instance to create this event under.
      * @param reset_type ResetType describing how to create event
      * @param name Optional name of event
      */
-    static SharedPtr<Event> Create(KernelCore& kernel, ResetType reset_type,
-                                   std::string name = "Unknown");
+    static EventPair CreateEventPair(KernelCore& kernel, ResetType reset_type,
+                                     std::string name = "Unknown");
 
     std::string GetTypeName() const override {
-        return "Event";
+        return "WritableEvent";
     }
     std::string GetName() const override {
         return name;
     }
 
-    static const HandleType HANDLE_TYPE = HandleType::Event;
+    static const HandleType HANDLE_TYPE = HandleType::WritableEvent;
     HandleType GetHandleType() const override {
         return HANDLE_TYPE;
     }
 
-    ResetType GetResetType() const {
-        return reset_type;
-    }
+    SharedPtr<ReadableEvent> GetReadableEvent() const;
 
-    bool ShouldWait(Thread* thread) const override;
-    void Acquire(Thread* thread) override;
-
-    void WakeupAllWaitingThreads() override;
+    ResetType GetResetType() const;
 
     void Signal();
     void Clear();
+    bool IsSignaled() const;
 
 private:
-    explicit Event(KernelCore& kernel);
-    ~Event() override;
+    explicit WritableEvent(KernelCore& kernel);
 
-    ResetType reset_type; ///< Current ResetType
+    SharedPtr<ReadableEvent> readable;
 
-    bool signaled;    ///< Whether the event has already been signaled
     std::string name; ///< Name of event (optional)
 };
 

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

@@ -9,9 +9,11 @@
 #include "audio_core/audio_renderer.h"
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
+#include "core/hle/kernel/readable_event.h"
 #include "core/hle/kernel/shared_memory.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/acc/profile_manager.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applet_ae.h"
@@ -208,8 +210,8 @@ ISelfController::ISelfController(std::shared_ptr<NVFlinger::NVFlinger> nvflinger
     RegisterHandlers(functions);
 
     auto& kernel = Core::System::GetInstance().Kernel();
-    launchable_event =
-        Kernel::Event::Create(kernel, Kernel::ResetType::Sticky, "ISelfController:LaunchableEvent");
+    launchable_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Sticky,
+                                                              "ISelfController:LaunchableEvent");
 }
 
 ISelfController::~ISelfController() = default;
@@ -295,11 +297,11 @@ void ISelfController::UnlockExit(Kernel::HLERequestContext& ctx) {
 void ISelfController::GetLibraryAppletLaunchableEvent(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
-    launchable_event->Signal();
+    launchable_event.writable->Signal();
 
     IPC::ResponseBuilder rb{ctx, 2, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushCopyObjects(launchable_event);
+    rb.PushCopyObjects(launchable_event.readable);
 }
 
 void ISelfController::SetScreenShotImageOrientation(Kernel::HLERequestContext& ctx) {
@@ -348,36 +350,38 @@ void ISelfController::GetIdleTimeDetectionExtension(Kernel::HLERequestContext& c
 
 AppletMessageQueue::AppletMessageQueue() {
     auto& kernel = Core::System::GetInstance().Kernel();
-    on_new_message = Kernel::Event::Create(kernel, Kernel::ResetType::Sticky,
-                                           "AMMessageQueue:OnMessageRecieved");
-    on_operation_mode_changed = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
-                                                      "AMMessageQueue:OperationModeChanged");
+    on_new_message = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Sticky,
+                                                            "AMMessageQueue:OnMessageRecieved");
+    on_operation_mode_changed = Kernel::WritableEvent::CreateEventPair(
+        kernel, Kernel::ResetType::OneShot, "AMMessageQueue:OperationModeChanged");
 }
 
 AppletMessageQueue::~AppletMessageQueue() = default;
 
-const Kernel::SharedPtr<Kernel::Event>& AppletMessageQueue::GetMesssageRecieveEvent() const {
-    return on_new_message;
+const Kernel::SharedPtr<Kernel::ReadableEvent>& AppletMessageQueue::GetMesssageRecieveEvent()
+    const {
+    return on_new_message.readable;
 }
 
-const Kernel::SharedPtr<Kernel::Event>& AppletMessageQueue::GetOperationModeChangedEvent() const {
-    return on_operation_mode_changed;
+const Kernel::SharedPtr<Kernel::ReadableEvent>& AppletMessageQueue::GetOperationModeChangedEvent()
+    const {
+    return on_operation_mode_changed.readable;
 }
 
 void AppletMessageQueue::PushMessage(AppletMessage msg) {
     messages.push(msg);
-    on_new_message->Signal();
+    on_new_message.writable->Signal();
 }
 
 AppletMessageQueue::AppletMessage AppletMessageQueue::PopMessage() {
     if (messages.empty()) {
-        on_new_message->Clear();
+        on_new_message.writable->Clear();
         return AppletMessage::NoMessage;
     }
     auto msg = messages.front();
     messages.pop();
     if (messages.empty()) {
-        on_new_message->Clear();
+        on_new_message.writable->Clear();
     }
     return msg;
 }
@@ -389,7 +393,7 @@ std::size_t AppletMessageQueue::GetMessageCount() const {
 void AppletMessageQueue::OperationModeChanged() {
     PushMessage(AppletMessage::OperationModeChanged);
     PushMessage(AppletMessage::PerformanceModeChanged);
-    on_operation_mode_changed->Signal();
+    on_operation_mode_changed.writable->Signal();
 }
 
 ICommonStateGetter::ICommonStateGetter(std::shared_ptr<AppletMessageQueue> msg_queue)
@@ -426,9 +430,6 @@ ICommonStateGetter::ICommonStateGetter(std::shared_ptr<AppletMessageQueue> msg_q
     // clang-format on
 
     RegisterHandlers(functions);
-
-    auto& kernel = Core::System::GetInstance().Kernel();
-    event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "ICommonStateGetter:Event");
 }
 
 ICommonStateGetter::~ICommonStateGetter() = default;
@@ -564,8 +565,8 @@ private:
     void GetAppletStateChangedEvent(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_AM, "called");
 
+        applet->GetBroker().SignalStateChanged();
         const auto event = applet->GetBroker().GetStateChangedEvent();
-        event->Signal();
 
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);

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

@@ -6,12 +6,9 @@
 
 #include <memory>
 #include <queue>
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/service.h"
 
-namespace Kernel {
-class Event;
-}
-
 namespace Service {
 namespace NVFlinger {
 class NVFlinger;
@@ -52,8 +49,8 @@ public:
     AppletMessageQueue();
     ~AppletMessageQueue();
 
-    const Kernel::SharedPtr<Kernel::Event>& GetMesssageRecieveEvent() const;
-    const Kernel::SharedPtr<Kernel::Event>& GetOperationModeChangedEvent() const;
+    const Kernel::SharedPtr<Kernel::ReadableEvent>& GetMesssageRecieveEvent() const;
+    const Kernel::SharedPtr<Kernel::ReadableEvent>& GetOperationModeChangedEvent() const;
     void PushMessage(AppletMessage msg);
     AppletMessage PopMessage();
     std::size_t GetMessageCount() const;
@@ -61,8 +58,8 @@ public:
 
 private:
     std::queue<AppletMessage> messages;
-    Kernel::SharedPtr<Kernel::Event> on_new_message;
-    Kernel::SharedPtr<Kernel::Event> on_operation_mode_changed;
+    Kernel::EventPair on_new_message;
+    Kernel::EventPair on_operation_mode_changed;
 };
 
 class IWindowController final : public ServiceFramework<IWindowController> {
@@ -122,7 +119,7 @@ private:
     void GetIdleTimeDetectionExtension(Kernel::HLERequestContext& ctx);
 
     std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
-    Kernel::SharedPtr<Kernel::Event> launchable_event;
+    Kernel::EventPair launchable_event;
     u32 idle_time_detection_extension = 0;
 };
 
@@ -151,7 +148,6 @@ private:
     void GetBootMode(Kernel::HLERequestContext& ctx);
     void GetDefaultDisplayResolution(Kernel::HLERequestContext& ctx);
 
-    Kernel::SharedPtr<Kernel::Event> event;
     std::shared_ptr<AppletMessageQueue> msg_queue;
 };
 

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

@@ -5,8 +5,9 @@
 #include <cstring>
 #include "common/assert.h"
 #include "core/core.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/readable_event.h"
 #include "core/hle/kernel/server_port.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/applets.h"
 
@@ -14,11 +15,11 @@ namespace Service::AM::Applets {
 
 AppletDataBroker::AppletDataBroker() {
     auto& kernel = Core::System::GetInstance().Kernel();
-    state_changed_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
-                                                "ILibraryAppletAccessor:StateChangedEvent");
-    pop_out_data_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
-                                               "ILibraryAppletAccessor:PopDataOutEvent");
-    pop_interactive_out_data_event = Kernel::Event::Create(
+    state_changed_event = Kernel::WritableEvent::CreateEventPair(
+        kernel, Kernel::ResetType::OneShot, "ILibraryAppletAccessor:StateChangedEvent");
+    pop_out_data_event = Kernel::WritableEvent::CreateEventPair(
+        kernel, Kernel::ResetType::OneShot, "ILibraryAppletAccessor:PopDataOutEvent");
+    pop_interactive_out_data_event = Kernel::WritableEvent::CreateEventPair(
         kernel, Kernel::ResetType::OneShot, "ILibraryAppletAccessor:PopInteractiveDataOutEvent");
 }
 
@@ -66,7 +67,7 @@ void AppletDataBroker::PushNormalDataFromGame(IStorage storage) {
 
 void AppletDataBroker::PushNormalDataFromApplet(IStorage storage) {
     out_channel.push(std::make_unique<IStorage>(storage));
-    pop_out_data_event->Signal();
+    pop_out_data_event.writable->Signal();
 }
 
 void AppletDataBroker::PushInteractiveDataFromGame(IStorage storage) {
@@ -75,23 +76,23 @@ void AppletDataBroker::PushInteractiveDataFromGame(IStorage storage) {
 
 void AppletDataBroker::PushInteractiveDataFromApplet(IStorage storage) {
     out_interactive_channel.push(std::make_unique<IStorage>(storage));
-    pop_interactive_out_data_event->Signal();
+    pop_interactive_out_data_event.writable->Signal();
 }
 
 void AppletDataBroker::SignalStateChanged() const {
-    state_changed_event->Signal();
+    state_changed_event.writable->Signal();
 }
 
-Kernel::SharedPtr<Kernel::Event> AppletDataBroker::GetNormalDataEvent() const {
-    return pop_out_data_event;
+Kernel::SharedPtr<Kernel::ReadableEvent> AppletDataBroker::GetNormalDataEvent() const {
+    return pop_out_data_event.readable;
 }
 
-Kernel::SharedPtr<Kernel::Event> AppletDataBroker::GetInteractiveDataEvent() const {
-    return pop_interactive_out_data_event;
+Kernel::SharedPtr<Kernel::ReadableEvent> AppletDataBroker::GetInteractiveDataEvent() const {
+    return pop_interactive_out_data_event.readable;
 }
 
-Kernel::SharedPtr<Kernel::Event> AppletDataBroker::GetStateChangedEvent() const {
-    return state_changed_event;
+Kernel::SharedPtr<Kernel::ReadableEvent> AppletDataBroker::GetStateChangedEvent() const {
+    return state_changed_event.readable;
 }
 
 Applet::Applet() = default;

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

@@ -8,13 +8,10 @@
 #include <queue>
 #include "common/swap.h"
 #include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/writable_event.h"
 
 union ResultCode;
 
-namespace Kernel {
-class Event;
-}
-
 namespace Service::AM {
 
 class IStorage;
@@ -40,9 +37,9 @@ public:
 
     void SignalStateChanged() const;
 
-    Kernel::SharedPtr<Kernel::Event> GetNormalDataEvent() const;
-    Kernel::SharedPtr<Kernel::Event> GetInteractiveDataEvent() const;
-    Kernel::SharedPtr<Kernel::Event> GetStateChangedEvent() const;
+    Kernel::SharedPtr<Kernel::ReadableEvent> GetNormalDataEvent() const;
+    Kernel::SharedPtr<Kernel::ReadableEvent> GetInteractiveDataEvent() const;
+    Kernel::SharedPtr<Kernel::ReadableEvent> GetStateChangedEvent() const;
 
 private:
     // Queues are named from applet's perspective
@@ -59,13 +56,13 @@ private:
     // PopInteractiveDataToGame and PushInteractiveDataFromApplet
     std::queue<std::unique_ptr<IStorage>> out_interactive_channel;
 
-    Kernel::SharedPtr<Kernel::Event> state_changed_event;
+    Kernel::EventPair state_changed_event;
 
     // Signaled on PushNormalDataFromApplet
-    Kernel::SharedPtr<Kernel::Event> pop_out_data_event;
+    Kernel::EventPair pop_out_data_event;
 
     // Signaled on PushInteractiveDataFromApplet
-    Kernel::SharedPtr<Kernel::Event> pop_interactive_out_data_event;
+    Kernel::EventPair pop_interactive_out_data_event;
 };
 
 class Applet {

src/core/hle/service/aoc/aoc_u.cpp

@@ -13,8 +13,10 @@
 #include "core/file_sys/patch_manager.h"
 #include "core/file_sys/registered_cache.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/aoc/aoc_u.h"
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/loader/loader.h"
@@ -32,14 +34,14 @@ static std::vector<u64> AccumulateAOCTitleIDs() {
     std::vector<u64> add_on_content;
     const auto rcu = FileSystem::GetUnionContents();
     const auto list =
-        rcu->ListEntriesFilter(FileSys::TitleType::AOC, FileSys::ContentRecordType::Data);
+        rcu.ListEntriesFilter(FileSys::TitleType::AOC, FileSys::ContentRecordType::Data);
     std::transform(list.begin(), list.end(), std::back_inserter(add_on_content),
                    [](const FileSys::RegisteredCacheEntry& rce) { return rce.title_id; });
     add_on_content.erase(
         std::remove_if(
             add_on_content.begin(), add_on_content.end(),
             [&rcu](u64 tid) {
-                return rcu->GetEntry(tid, FileSys::ContentRecordType::Data)->GetStatus() !=
+                return rcu.GetEntry(tid, FileSys::ContentRecordType::Data)->GetStatus() !=
                        Loader::ResultStatus::Success;
             }),
         add_on_content.end());
@@ -61,8 +63,8 @@ AOC_U::AOC_U() : ServiceFramework("aoc:u"), add_on_content(AccumulateAOCTitleIDs
     RegisterHandlers(functions);
 
     auto& kernel = Core::System::GetInstance().Kernel();
-    aoc_change_event = Kernel::Event::Create(kernel, Kernel::ResetType::Sticky,
-                                             "GetAddOnContentListChanged:Event");
+    aoc_change_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Sticky,
+                                                              "GetAddOnContentListChanged:Event");
 }
 
 AOC_U::~AOC_U() = default;
@@ -144,7 +146,7 @@ void AOC_U::GetAddOnContentListChangedEvent(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 2, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushCopyObjects(aoc_change_event);
+    rb.PushCopyObjects(aoc_change_event.readable);
 }
 
 void InstallInterfaces(SM::ServiceManager& service_manager) {

src/core/hle/service/aoc/aoc_u.h

@@ -6,6 +6,10 @@
 
 #include "core/hle/service/service.h"
 
+namespace Kernel {
+class WritableEvent;
+}
+
 namespace Service::AOC {
 
 class AOC_U final : public ServiceFramework<AOC_U> {
@@ -21,7 +25,7 @@ private:
     void GetAddOnContentListChangedEvent(Kernel::HLERequestContext& ctx);
 
     std::vector<u64> add_on_content;
-    Kernel::SharedPtr<Kernel::Event> aoc_change_event;
+    Kernel::EventPair aoc_change_event;
 };
 
 /// Registers all AOC services with the specified service manager.

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

@@ -13,8 +13,10 @@
 #include "common/swap.h"
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
 #include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/audio/audout_u.h"
 #include "core/memory.h"
 
@@ -46,8 +48,8 @@ class IAudioOut final : public ServiceFramework<IAudioOut> {
 public:
     IAudioOut(AudoutParams audio_params, AudioCore::AudioOut& audio_core, std::string&& device_name,
               std::string&& unique_name)
-        : ServiceFramework("IAudioOut"), audio_core(audio_core), audio_params(audio_params),
-          device_name(std::move(device_name)) {
+        : ServiceFramework("IAudioOut"), audio_core(audio_core),
+          device_name(std::move(device_name)), audio_params(audio_params) {
 
         static const FunctionInfo functions[] = {
             {0, &IAudioOut::GetAudioOutState, "GetAudioOutState"},
@@ -67,11 +69,12 @@ public:
 
         // This is the event handle used to check if the audio buffer was released
         auto& kernel = Core::System::GetInstance().Kernel();
-        buffer_event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::Sticky, "IAudioOutBufferReleased");
+        buffer_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Sticky,
+                                                              "IAudioOutBufferReleased");
 
         stream = audio_core.OpenStream(audio_params.sample_rate, audio_params.channel_count,
-                                       std::move(unique_name), [=]() { buffer_event->Signal(); });
+                                       std::move(unique_name),
+                                       [=]() { buffer_event.writable->Signal(); });
     }
 
 private:
@@ -121,7 +124,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(buffer_event);
+        rb.PushCopyObjects(buffer_event.readable);
     }
 
     void AppendAudioOutBufferImpl(Kernel::HLERequestContext& ctx) {
@@ -187,8 +190,8 @@ private:
 
     AudoutParams audio_params{};
 
-    /// This is the evend handle used to check if the audio buffer was released
-    Kernel::SharedPtr<Kernel::Event> buffer_event;
+    /// This is the event handle used to check if the audio buffer was released
+    Kernel::EventPair buffer_event;
 };
 
 void AudOutU::ListAudioOutsImpl(Kernel::HLERequestContext& ctx) {

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

@@ -12,8 +12,10 @@
 #include "common/logging/log.h"
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
 #include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/audio/audren_u.h"
 
 namespace Service::Audio {
@@ -41,14 +43,14 @@ public:
         RegisterHandlers(functions);
 
         auto& kernel = Core::System::GetInstance().Kernel();
-        system_event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::Sticky, "IAudioRenderer:SystemEvent");
-        renderer = std::make_unique<AudioCore::AudioRenderer>(audren_params, system_event);
+        system_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Sticky,
+                                                              "IAudioRenderer:SystemEvent");
+        renderer = std::make_unique<AudioCore::AudioRenderer>(audren_params, system_event.writable);
     }
 
 private:
     void UpdateAudioCallback() {
-        system_event->Signal();
+        system_event.writable->Signal();
     }
 
     void GetSampleRate(Kernel::HLERequestContext& ctx) {
@@ -112,7 +114,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(system_event);
+        rb.PushCopyObjects(system_event.readable);
     }
 
     void SetRenderingTimeLimit(Kernel::HLERequestContext& ctx) {
@@ -135,7 +137,7 @@ private:
         rb.Push(rendering_time_limit_percent);
     }
 
-    Kernel::SharedPtr<Kernel::Event> system_event;
+    Kernel::EventPair system_event;
     std::unique_ptr<AudioCore::AudioRenderer> renderer;
     u32 rendering_time_limit_percent = 100;
 };
@@ -162,8 +164,8 @@ public:
         RegisterHandlers(functions);
 
         auto& kernel = Core::System::GetInstance().Kernel();
-        buffer_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
-                                             "IAudioOutBufferReleasedEvent");
+        buffer_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::OneShot,
+                                                              "IAudioOutBufferReleasedEvent");
     }
 
 private:
@@ -207,11 +209,11 @@ private:
     void QueryAudioDeviceSystemEvent(Kernel::HLERequestContext& ctx) {
         LOG_WARNING(Service_Audio, "(STUBBED) called");
 
-        buffer_event->Signal();
+        buffer_event.writable->Signal();
 
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(buffer_event);
+        rb.PushCopyObjects(buffer_event.readable);
     }
 
     void GetActiveChannelCount(Kernel::HLERequestContext& ctx) {
@@ -222,7 +224,7 @@ private:
         rb.Push<u32>(1);
     }
 
-    Kernel::SharedPtr<Kernel::Event> buffer_event;
+    Kernel::EventPair buffer_event;
 
 }; // namespace Audio
 

src/core/hle/service/btdrv/btdrv.cpp

@@ -4,8 +4,10 @@
 
 #include "common/logging/log.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
 #include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/btdrv/btdrv.h"
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/sm.h"
@@ -30,20 +32,22 @@ public:
         };
         // clang-format on
         RegisterHandlers(functions);
+
+        auto& kernel = Core::System::GetInstance().Kernel();
+        register_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::OneShot,
+                                                                "BT:RegisterEvent");
     }
 
 private:
     void RegisterEvent(Kernel::HLERequestContext& ctx) {
         LOG_WARNING(Service_BTM, "(STUBBED) called");
 
-        auto& kernel = Core::System::GetInstance().Kernel();
-        register_event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "BT:RegisterEvent");
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(register_event);
+        rb.PushCopyObjects(register_event.readable);
     }
-    Kernel::SharedPtr<Kernel::Event> register_event;
+
+    Kernel::EventPair register_event;
 };
 
 class BtDrv final : public ServiceFramework<BtDrv> {

src/core/hle/service/btm/btm.cpp

@@ -6,8 +6,10 @@
 
 #include "common/logging/log.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
 #include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/btm/btm.h"
 #include "core/hle/service/service.h"
 
@@ -53,53 +55,55 @@ public:
         };
         // clang-format on
         RegisterHandlers(functions);
+
+        auto& kernel = Core::System::GetInstance().Kernel();
+        scan_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::OneShot,
+                                                            "IBtmUserCore:ScanEvent");
+        connection_event = Kernel::WritableEvent::CreateEventPair(
+            kernel, Kernel::ResetType::OneShot, "IBtmUserCore:ConnectionEvent");
+        service_discovery = Kernel::WritableEvent::CreateEventPair(
+            kernel, Kernel::ResetType::OneShot, "IBtmUserCore:Discovery");
+        config_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::OneShot,
+                                                              "IBtmUserCore:ConfigEvent");
     }
 
 private:
     void GetScanEvent(Kernel::HLERequestContext& ctx) {
         LOG_WARNING(Service_BTM, "(STUBBED) called");
 
-        auto& kernel = Core::System::GetInstance().Kernel();
-        scan_event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "IBtmUserCore:ScanEvent");
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(scan_event);
+        rb.PushCopyObjects(scan_event.readable);
     }
+
     void GetConnectionEvent(Kernel::HLERequestContext& ctx) {
         LOG_WARNING(Service_BTM, "(STUBBED) called");
 
-        auto& kernel = Core::System::GetInstance().Kernel();
-        connection_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
-                                                 "IBtmUserCore:ConnectionEvent");
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(connection_event);
+        rb.PushCopyObjects(connection_event.readable);
     }
+
     void GetDiscoveryEvent(Kernel::HLERequestContext& ctx) {
         LOG_WARNING(Service_BTM, "(STUBBED) called");
 
-        auto& kernel = Core::System::GetInstance().Kernel();
-        service_discovery =
-            Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "IBtmUserCore:Discovery");
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(service_discovery);
+        rb.PushCopyObjects(service_discovery.readable);
     }
+
     void GetConfigEvent(Kernel::HLERequestContext& ctx) {
         LOG_WARNING(Service_BTM, "(STUBBED) called");
 
-        auto& kernel = Core::System::GetInstance().Kernel();
-        config_event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "IBtmUserCore:ConfigEvent");
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(config_event);
+        rb.PushCopyObjects(config_event.readable);
     }
-    Kernel::SharedPtr<Kernel::Event> scan_event;
-    Kernel::SharedPtr<Kernel::Event> connection_event;
-    Kernel::SharedPtr<Kernel::Event> service_discovery;
-    Kernel::SharedPtr<Kernel::Event> config_event;
+
+    Kernel::EventPair scan_event;
+    Kernel::EventPair connection_event;
+    Kernel::EventPair service_discovery;
+    Kernel::EventPair config_event;
 };
 
 class BTM_USR final : public ServiceFramework<BTM_USR> {

src/core/hle/service/erpt/erpt.cpp

@@ -17,11 +17,13 @@ public:
         static const FunctionInfo functions[] = {
             {0, nullptr, "SubmitContext"},
             {1, nullptr, "CreateReport"},
-            {2, nullptr, "Unknown1"},
-            {3, nullptr, "Unknown2"},
-            {4, nullptr, "Unknown3"},
-            {5, nullptr, "Unknown4"},
-            {6, nullptr, "Unknown5"},
+            {2, nullptr, "SetInitialLaunchSettingsCompletionTime"},
+            {3, nullptr, "ClearInitialLaunchSettingsCompletionTime"},
+            {4, nullptr, "UpdatePowerOnTime"},
+            {5, nullptr, "UpdateAwakeTime"},
+            {6, nullptr, "SubmitMultipleCategoryContext"},
+            {7, nullptr, "UpdateApplicationLaunchTime"},
+            {8, nullptr, "ClearApplicationLaunchTime"},
         };
         // clang-format on
 

src/core/hle/service/filesystem/filesystem.cpp

@@ -113,6 +113,18 @@ ResultCode VfsDirectoryServiceWrapper::DeleteDirectoryRecursively(const std::str
     return RESULT_SUCCESS;
 }
 
+ResultCode VfsDirectoryServiceWrapper::CleanDirectoryRecursively(const std::string& path) const {
+    const std::string sanitized_path(FileUtil::SanitizePath(path));
+    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(sanitized_path));
+
+    if (!dir->CleanSubdirectoryRecursive(FileUtil::GetFilename(sanitized_path))) {
+        // TODO(DarkLordZach): Find a better error code for this
+        return ResultCode(-1);
+    }
+
+    return RESULT_SUCCESS;
+}
+
 ResultCode VfsDirectoryServiceWrapper::RenameFile(const std::string& src_path_,
                                                   const std::string& dest_path_) const {
     std::string src_path(FileUtil::SanitizePath(src_path_));
@@ -329,20 +341,9 @@ ResultVal<FileSys::VirtualDir> OpenSDMC() {
     return sdmc_factory->Open();
 }
 
-std::shared_ptr<FileSys::RegisteredCacheUnion> registered_cache_union;
-
-std::shared_ptr<FileSys::RegisteredCacheUnion> GetUnionContents() {
-    if (registered_cache_union == nullptr) {
-        registered_cache_union =
-            std::make_shared<FileSys::RegisteredCacheUnion>(std::vector<FileSys::RegisteredCache*>{
-                GetSystemNANDContents(), GetUserNANDContents(), GetSDMCContents()});
-    }
-
-    return registered_cache_union;
-}
-
-void ClearUnionContents() {
-    registered_cache_union = nullptr;
+FileSys::RegisteredCacheUnion GetUnionContents() {
+    return FileSys::RegisteredCacheUnion{
+        {GetSystemNANDContents(), GetUserNANDContents(), GetSDMCContents()}};
 }
 
 FileSys::RegisteredCache* GetSystemNANDContents() {
@@ -395,7 +396,6 @@ void CreateFactories(FileSys::VfsFilesystem& vfs, bool overwrite) {
         bis_factory = nullptr;
         save_data_factory = nullptr;
         sdmc_factory = nullptr;
-        ClearUnionContents();
     }
 
     auto nand_directory = vfs.OpenDirectory(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir),

src/core/hle/service/filesystem/filesystem.h

@@ -48,8 +48,7 @@ ResultVal<FileSys::VirtualDir> OpenSaveData(FileSys::SaveDataSpaceId space,
 ResultVal<FileSys::VirtualDir> OpenSaveDataSpace(FileSys::SaveDataSpaceId space);
 ResultVal<FileSys::VirtualDir> OpenSDMC();
 
-std::shared_ptr<FileSys::RegisteredCacheUnion> GetUnionContents();
-void ClearUnionContents();
+FileSys::RegisteredCacheUnion GetUnionContents();
 
 FileSys::RegisteredCache* GetSystemNANDContents();
 FileSys::RegisteredCache* GetUserNANDContents();
@@ -113,6 +112,18 @@ public:
      */
     ResultCode DeleteDirectoryRecursively(const std::string& path) const;
 
+    /**
+     * Cleans the specified directory. This is similar to DeleteDirectoryRecursively,
+     * in that it deletes all the contents of the specified directory, however, this
+     * function does *not* delete the directory itself. It only deletes everything
+     * within it.
+     *
+     * @param path Path relative to the archive.
+     *
+     * @return Result of the operation.
+     */
+    ResultCode CleanDirectoryRecursively(const std::string& path) const;
+
     /**
      * Rename a File specified by its path
      * @param src_path Source path relative to the archive

src/core/hle/service/filesystem/fsp_srv.cpp

@@ -20,6 +20,7 @@
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/patch_manager.h"
 #include "core/file_sys/savedata_factory.h"
+#include "core/file_sys/system_archive/system_archive.h"
 #include "core/file_sys/vfs.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/process.h"
@@ -291,7 +292,7 @@ public:
             {10, &IFileSystem::Commit, "Commit"},
             {11, nullptr, "GetFreeSpaceSize"},
             {12, nullptr, "GetTotalSpaceSize"},
-            {13, nullptr, "CleanDirectoryRecursively"},
+            {13, &IFileSystem::CleanDirectoryRecursively, "CleanDirectoryRecursively"},
             {14, nullptr, "GetFileTimeStampRaw"},
             {15, nullptr, "QueryEntry"},
         };
@@ -361,6 +362,16 @@ public:
         rb.Push(backend.DeleteDirectoryRecursively(name));
     }
 
+    void CleanDirectoryRecursively(Kernel::HLERequestContext& ctx) {
+        const auto file_buffer = ctx.ReadBuffer();
+        const std::string name = Common::StringFromBuffer(file_buffer);
+
+        LOG_DEBUG(Service_FS, "called. Directory: {}", name);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(backend.CleanDirectoryRecursively(name));
+    }
+
     void RenameFile(Kernel::HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
 
@@ -821,6 +832,15 @@ void FSP_SRV::OpenDataStorageByDataId(Kernel::HLERequestContext& ctx) {
     auto data = OpenRomFS(title_id, storage_id, FileSys::ContentRecordType::Data);
 
     if (data.Failed()) {
+        const auto archive = FileSys::SystemArchive::SynthesizeSystemArchive(title_id);
+
+        if (archive != nullptr) {
+            IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+            rb.Push(RESULT_SUCCESS);
+            rb.PushIpcInterface(std::make_shared<IStorage>(archive));
+            return;
+        }
+
         // TODO(DarkLordZach): Find the right error code to use here
         LOG_ERROR(Service_FS,
                   "could not open data storage with title_id={:016X}, storage_id={:02X}", title_id,

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

@@ -12,7 +12,9 @@
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/frontend/input.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/hid/controllers/npad.h"
 #include "core/settings.h"
 
@@ -167,8 +169,8 @@ void Controller_NPad::InitNewlyAddedControler(std::size_t controller_idx) {
 
 void Controller_NPad::OnInit() {
     auto& kernel = Core::System::GetInstance().Kernel();
-    styleset_changed_event =
-        Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "npad:NpadStyleSetChanged");
+    styleset_changed_event = Kernel::WritableEvent::CreateEventPair(
+        kernel, Kernel::ResetType::OneShot, "npad:NpadStyleSetChanged");
 
     if (!IsControllerActivated()) {
         return;
@@ -494,7 +496,7 @@ void Controller_NPad::SetSupportedNPadIdTypes(u8* data, std::size_t length) {
             had_controller_update = true;
         }
         if (had_controller_update) {
-            styleset_changed_event->Signal();
+            styleset_changed_event.writable->Signal();
         }
     }
 }
@@ -509,7 +511,7 @@ std::size_t Controller_NPad::GetSupportedNPadIdTypesSize() const {
 }
 
 void Controller_NPad::SetHoldType(NpadHoldType joy_hold_type) {
-    styleset_changed_event->Signal();
+    styleset_changed_event.writable->Signal();
     hold_type = joy_hold_type;
 }
 
@@ -518,8 +520,9 @@ Controller_NPad::NpadHoldType Controller_NPad::GetHoldType() const {
 }
 
 void Controller_NPad::SetNpadMode(u32 npad_id, NPadAssignments assignment_mode) {
-    ASSERT(npad_id < shared_memory_entries.size());
-    shared_memory_entries[npad_id].pad_assignment = assignment_mode;
+    const std::size_t npad_index = NPadIdToIndex(npad_id);
+    ASSERT(npad_index < shared_memory_entries.size());
+    shared_memory_entries[npad_index].pad_assignment = assignment_mode;
 }
 
 void Controller_NPad::VibrateController(const std::vector<u32>& controller_ids,
@@ -538,11 +541,11 @@ void Controller_NPad::VibrateController(const std::vector<u32>& controller_ids,
     last_processed_vibration = vibrations.back();
 }
 
-Kernel::SharedPtr<Kernel::Event> Controller_NPad::GetStyleSetChangedEvent() const {
+Kernel::SharedPtr<Kernel::ReadableEvent> Controller_NPad::GetStyleSetChangedEvent() const {
     // TODO(ogniK): Figure out the best time to signal this event. This event seems that it should
     // be signalled at least once, and signaled after a new controller is connected?
-    styleset_changed_event->Signal();
-    return styleset_changed_event;
+    styleset_changed_event.writable->Signal();
+    return styleset_changed_event.readable;
 }
 
 Controller_NPad::Vibration Controller_NPad::GetLastVibration() const {

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

@@ -8,7 +8,8 @@
 #include "common/bit_field.h"
 #include "common/common_types.h"
 #include "core/frontend/input.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/object.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
 #include "core/settings.h"
 
@@ -108,7 +109,7 @@ public:
     void VibrateController(const std::vector<u32>& controller_ids,
                            const std::vector<Vibration>& vibrations);
 
-    Kernel::SharedPtr<Kernel::Event> GetStyleSetChangedEvent() const;
+    Kernel::SharedPtr<Kernel::ReadableEvent> GetStyleSetChangedEvent() const;
     Vibration GetLastVibration() const;
 
     void AddNewController(NPadControllerType controller);
@@ -303,7 +304,7 @@ private:
         sticks;
     std::vector<u32> supported_npad_id_types{};
     NpadHoldType hold_type{NpadHoldType::Vertical};
-    Kernel::SharedPtr<Kernel::Event> styleset_changed_event;
+    Kernel::EventPair styleset_changed_event;
     Vibration last_processed_vibration{};
     std::array<ControllerHolder, 10> connected_controllers{};
     bool can_controllers_vibrate{true};

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

@@ -13,8 +13,9 @@
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/client_session.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/readable_event.h"
 #include "core/hle/kernel/shared_memory.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/hid/hid.h"
 #include "core/hle/service/hid/irs.h"
 #include "core/hle/service/hid/xcd.h"

src/core/hle/service/ldr/ldr.cpp

@@ -335,10 +335,7 @@ public:
         vm_manager.ReprotectRange(*map_address + header.rw_offset, header.rw_size,
                                   Kernel::VMAPermission::ReadWrite);
 
-        Core::System::GetInstance().ArmInterface(0).ClearInstructionCache();
-        Core::System::GetInstance().ArmInterface(1).ClearInstructionCache();
-        Core::System::GetInstance().ArmInterface(2).ClearInstructionCache();
-        Core::System::GetInstance().ArmInterface(3).ClearInstructionCache();
+        Core::System::GetInstance().InvalidateCpuInstructionCaches();
 
         nro.insert_or_assign(*map_address, NROInfo{hash, nro_size + bss_size});
 
@@ -391,10 +388,7 @@ public:
                                      Kernel::MemoryState::ModuleCodeStatic) == RESULT_SUCCESS);
         ASSERT(process->UnmapMemory(mapped_addr, 0, nro_size) == RESULT_SUCCESS);
 
-        Core::System::GetInstance().ArmInterface(0).ClearInstructionCache();
-        Core::System::GetInstance().ArmInterface(1).ClearInstructionCache();
-        Core::System::GetInstance().ArmInterface(2).ClearInstructionCache();
-        Core::System::GetInstance().ArmInterface(3).ClearInstructionCache();
+        Core::System::GetInstance().InvalidateCpuInstructionCaches();
 
         nro.erase(iter);
         IPC::ResponseBuilder rb{ctx, 2};

src/core/hle/service/nfp/nfp.cpp

@@ -7,7 +7,9 @@
 #include "common/logging/log.h"
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/lock.h"
 #include "core/hle/service/hid/hid.h"
 #include "core/hle/service/nfp/nfp.h"
@@ -23,8 +25,8 @@ constexpr ResultCode ERR_TAG_FAILED(ErrorModule::NFP,
 Module::Interface::Interface(std::shared_ptr<Module> module, const char* name)
     : ServiceFramework(name), module(std::move(module)) {
     auto& kernel = Core::System::GetInstance().Kernel();
-    nfc_tag_load =
-        Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "IUser:NFCTagDetected");
+    nfc_tag_load = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::OneShot,
+                                                          "IUser:NFCTagDetected");
 }
 
 Module::Interface::~Interface() = default;
@@ -63,10 +65,10 @@ public:
         RegisterHandlers(functions);
 
         auto& kernel = Core::System::GetInstance().Kernel();
-        deactivate_event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "IUser:DeactivateEvent");
-        availability_change_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
-                                                          "IUser:AvailabilityChangeEvent");
+        deactivate_event = Kernel::WritableEvent::CreateEventPair(
+            kernel, Kernel::ResetType::OneShot, "IUser:DeactivateEvent");
+        availability_change_event = Kernel::WritableEvent::CreateEventPair(
+            kernel, Kernel::ResetType::OneShot, "IUser:AvailabilityChangeEvent");
     }
 
 private:
@@ -164,7 +166,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(deactivate_event);
+        rb.PushCopyObjects(deactivate_event.readable);
     }
 
     void StopDetection(Kernel::HLERequestContext& ctx) {
@@ -173,7 +175,7 @@ private:
         switch (device_state) {
         case DeviceState::TagFound:
         case DeviceState::TagNearby:
-            deactivate_event->Signal();
+            deactivate_event.writable->Signal();
             device_state = DeviceState::Initialized;
             break;
         case DeviceState::SearchingForTag:
@@ -264,7 +266,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(availability_change_event);
+        rb.PushCopyObjects(availability_change_event.readable);
     }
 
     void GetRegisterInfo(Kernel::HLERequestContext& ctx) {
@@ -319,8 +321,8 @@ private:
     const u32 npad_id{0}; // Player 1 controller
     State state{State::NonInitialized};
     DeviceState device_state{DeviceState::Initialized};
-    Kernel::SharedPtr<Kernel::Event> deactivate_event;
-    Kernel::SharedPtr<Kernel::Event> availability_change_event;
+    Kernel::EventPair deactivate_event;
+    Kernel::EventPair availability_change_event;
     const Module::Interface& nfp_interface;
 };
 
@@ -339,12 +341,14 @@ bool Module::Interface::LoadAmiibo(const std::vector<u8>& buffer) {
     }
 
     std::memcpy(&amiibo, buffer.data(), sizeof(amiibo));
-    nfc_tag_load->Signal();
+    nfc_tag_load.writable->Signal();
     return true;
 }
-const Kernel::SharedPtr<Kernel::Event>& Module::Interface::GetNFCEvent() const {
-    return nfc_tag_load;
+
+const Kernel::SharedPtr<Kernel::ReadableEvent>& Module::Interface::GetNFCEvent() const {
+    return nfc_tag_load.readable;
 }
+
 const Module::Interface::AmiiboFile& Module::Interface::GetAmiiboBuffer() const {
     return amiibo;
 }

src/core/hle/service/nfp/nfp.h

@@ -6,7 +6,8 @@
 
 #include <array>
 #include <vector>
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/service.h"
 
 namespace Service::NFP {
@@ -33,11 +34,11 @@ public:
 
         void CreateUserInterface(Kernel::HLERequestContext& ctx);
         bool LoadAmiibo(const std::vector<u8>& buffer);
-        const Kernel::SharedPtr<Kernel::Event>& GetNFCEvent() const;
+        const Kernel::SharedPtr<Kernel::ReadableEvent>& GetNFCEvent() const;
         const AmiiboFile& GetAmiiboBuffer() const;
 
     private:
-        Kernel::SharedPtr<Kernel::Event> nfc_tag_load{};
+        Kernel::EventPair nfc_tag_load{};
         AmiiboFile amiibo{};
 
     protected:

src/core/hle/service/nifm/nifm.cpp

@@ -4,7 +4,9 @@
 
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/nifm/nifm.h"
 #include "core/hle/service/service.h"
 
@@ -56,8 +58,10 @@ public:
         RegisterHandlers(functions);
 
         auto& kernel = Core::System::GetInstance().Kernel();
-        event1 = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "IRequest:Event1");
-        event2 = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "IRequest:Event2");
+        event1 = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::OneShot,
+                                                        "IRequest:Event1");
+        event2 = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::OneShot,
+                                                        "IRequest:Event2");
     }
 
 private:
@@ -88,7 +92,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 2};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(event1, event2);
+        rb.PushCopyObjects(event1.readable, event2.readable);
     }
 
     void Cancel(Kernel::HLERequestContext& ctx) {
@@ -105,7 +109,7 @@ private:
         rb.Push(RESULT_SUCCESS);
     }
 
-    Kernel::SharedPtr<Kernel::Event> event1, event2;
+    Kernel::EventPair event1, event2;
 };
 
 class INetworkProfile final : public ServiceFramework<INetworkProfile> {

src/core/hle/service/nim/nim.cpp

@@ -6,7 +6,9 @@
 #include <ctime>
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/nim/nim.h"
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/sm.h"
@@ -138,19 +140,18 @@ public:
         RegisterHandlers(functions);
 
         auto& kernel = Core::System::GetInstance().Kernel();
-        finished_event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
-                                  "IEnsureNetworkClockAvailabilityService:FinishEvent");
+        finished_event = Kernel::WritableEvent::CreateEventPair(
+            kernel, Kernel::ResetType::OneShot,
+            "IEnsureNetworkClockAvailabilityService:FinishEvent");
     }
 
 private:
-    Kernel::SharedPtr<Kernel::Event> finished_event;
+    Kernel::EventPair finished_event;
 
     void StartTask(Kernel::HLERequestContext& ctx) {
         // No need to connect to the internet, just finish the task straight away.
         LOG_DEBUG(Service_NIM, "called");
-
-        finished_event->Signal();
+        finished_event.writable->Signal();
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
     }
@@ -160,7 +161,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushCopyObjects(finished_event);
+        rb.PushCopyObjects(finished_event.readable);
     }
 
     void GetResult(Kernel::HLERequestContext& ctx) {
@@ -172,8 +173,7 @@ private:
 
     void Cancel(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_NIM, "called");
-
-        finished_event->Clear();
+        finished_event.writable->Clear();
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
     }

src/core/hle/service/nvdrv/interface.cpp

@@ -6,7 +6,9 @@
 #include "common/logging/log.h"
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/nvdrv/interface.h"
 #include "core/hle/service/nvdrv/nvdrv.h"
 
@@ -69,7 +71,7 @@ void NVDRV::QueryEvent(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 3, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushCopyObjects(query_event);
+    rb.PushCopyObjects(query_event.readable);
     rb.Push<u32>(0);
 }
 
@@ -127,7 +129,8 @@ NVDRV::NVDRV(std::shared_ptr<Module> nvdrv, const char* name)
     RegisterHandlers(functions);
 
     auto& kernel = Core::System::GetInstance().Kernel();
-    query_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "NVDRV::query_event");
+    query_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::OneShot,
+                                                         "NVDRV::query_event");
 }
 
 NVDRV::~NVDRV() = default;

src/core/hle/service/nvdrv/interface.h

@@ -5,10 +5,13 @@
 #pragma once
 
 #include <memory>
-#include "core/hle/kernel/event.h"
 #include "core/hle/service/nvdrv/nvdrv.h"
 #include "core/hle/service/service.h"
 
+namespace Kernel {
+class WritableEvent;
+}
+
 namespace Service::Nvidia {
 
 class NVDRV final : public ServiceFramework<NVDRV> {
@@ -31,7 +34,7 @@ private:
 
     u64 pid{};
 
-    Kernel::SharedPtr<Kernel::Event> query_event;
+    Kernel::EventPair query_event;
 };
 
 } // namespace Service::Nvidia

src/core/hle/service/nvflinger/buffer_queue.cpp

@@ -7,14 +7,17 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/core.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/nvflinger/buffer_queue.h"
 
 namespace Service::NVFlinger {
 
 BufferQueue::BufferQueue(u32 id, u64 layer_id) : id(id), layer_id(layer_id) {
     auto& kernel = Core::System::GetInstance().Kernel();
-    buffer_wait_event =
-        Kernel::Event::Create(kernel, Kernel::ResetType::Sticky, "BufferQueue NativeHandle");
+    buffer_wait_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Sticky,
+                                                               "BufferQueue NativeHandle");
 }
 
 BufferQueue::~BufferQueue() = default;
@@ -28,7 +31,7 @@ void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer)
     buffer.status = Buffer::Status::Free;
 
     queue.emplace_back(buffer);
-    buffer_wait_event->Signal();
+    buffer_wait_event.writable->Signal();
 }
 
 std::optional<u32> BufferQueue::DequeueBuffer(u32 width, u32 height) {
@@ -87,7 +90,7 @@ void BufferQueue::ReleaseBuffer(u32 slot) {
     ASSERT(itr->status == Buffer::Status::Acquired);
     itr->status = Buffer::Status::Free;
 
-    buffer_wait_event->Signal();
+    buffer_wait_event.writable->Signal();
 }
 
 u32 BufferQueue::Query(QueryType type) {
@@ -104,4 +107,12 @@ u32 BufferQueue::Query(QueryType type) {
     return 0;
 }
 
+Kernel::SharedPtr<Kernel::WritableEvent> BufferQueue::GetWritableBufferWaitEvent() const {
+    return buffer_wait_event.writable;
+}
+
+Kernel::SharedPtr<Kernel::ReadableEvent> BufferQueue::GetBufferWaitEvent() const {
+    return buffer_wait_event.readable;
+}
+
 } // namespace Service::NVFlinger

src/core/hle/service/nvflinger/buffer_queue.h

@@ -10,7 +10,8 @@
 #include "common/common_funcs.h"
 #include "common/math_util.h"
 #include "common/swap.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/object.h"
+#include "core/hle/kernel/writable_event.h"
 
 namespace CoreTiming {
 struct EventType;
@@ -86,16 +87,16 @@ public:
         return id;
     }
 
-    Kernel::SharedPtr<Kernel::Event> GetBufferWaitEvent() const {
-        return buffer_wait_event;
-    }
+    Kernel::SharedPtr<Kernel::WritableEvent> GetWritableBufferWaitEvent() const;
+
+    Kernel::SharedPtr<Kernel::ReadableEvent> GetBufferWaitEvent() const;
 
 private:
     u32 id;
     u64 layer_id;
 
     std::vector<Buffer> queue;
-    Kernel::SharedPtr<Kernel::Event> buffer_wait_event;
+    Kernel::EventPair buffer_wait_event;
 };
 
 } // namespace Service::NVFlinger

src/core/hle/service/nvflinger/nvflinger.cpp

@@ -13,6 +13,9 @@
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/nvdrv/devices/nvdisp_disp0.h"
 #include "core/hle/service/nvdrv/nvdrv.h"
 #include "core/hle/service/nvflinger/buffer_queue.h"
@@ -83,9 +86,8 @@ u32 NVFlinger::GetBufferQueueId(u64 display_id, u64 layer_id) {
     return layer.buffer_queue->GetId();
 }
 
-Kernel::SharedPtr<Kernel::Event> NVFlinger::GetVsyncEvent(u64 display_id) {
-    const auto& display = GetDisplay(display_id);
-    return display.vsync_event;
+Kernel::SharedPtr<Kernel::ReadableEvent> NVFlinger::GetVsyncEvent(u64 display_id) {
+    return GetDisplay(display_id).vsync_event.readable;
 }
 
 std::shared_ptr<BufferQueue> NVFlinger::GetBufferQueue(u32 id) const {
@@ -117,7 +119,7 @@ Layer& NVFlinger::GetLayer(u64 display_id, u64 layer_id) {
 void NVFlinger::Compose() {
     for (auto& display : displays) {
         // Trigger vsync for this display at the end of drawing
-        SCOPE_EXIT({ display.vsync_event->Signal(); });
+        SCOPE_EXIT({ display.vsync_event.writable->Signal(); });
 
         // Don't do anything for displays without layers.
         if (display.layers.empty())
@@ -164,7 +166,8 @@ Layer::~Layer() = default;
 
 Display::Display(u64 id, std::string name) : id(id), name(std::move(name)) {
     auto& kernel = Core::System::GetInstance().Kernel();
-    vsync_event = Kernel::Event::Create(kernel, Kernel::ResetType::Pulse, "Display VSync Event");
+    vsync_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Pulse,
+                                                         fmt::format("Display VSync Event {}", id));
 }
 
 Display::~Display() = default;

src/core/hle/service/nvflinger/nvflinger.h

@@ -10,12 +10,17 @@
 #include <vector>
 
 #include "common/common_types.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/object.h"
 
 namespace CoreTiming {
 struct EventType;
 }
 
+namespace Kernel {
+class ReadableEvent;
+class WritableEvent;
+} // namespace Kernel
+
 namespace Service::Nvidia {
 class Module;
 }
@@ -40,7 +45,7 @@ struct Display {
     std::string name;
 
     std::vector<Layer> layers;
-    Kernel::SharedPtr<Kernel::Event> vsync_event;
+    Kernel::EventPair vsync_event;
 };
 
 class NVFlinger final {
@@ -61,7 +66,7 @@ public:
     u32 GetBufferQueueId(u64 display_id, u64 layer_id);
 
     /// Gets the vsync event for the specified display.
-    Kernel::SharedPtr<Kernel::Event> GetVsyncEvent(u64 display_id);
+    Kernel::SharedPtr<Kernel::ReadableEvent> GetVsyncEvent(u64 display_id);
 
     /// Obtains a buffer queue identified by the id.
     std::shared_ptr<BufferQueue> GetBufferQueue(u32 id) const;

src/core/hle/service/usb/usb.cpp

@@ -73,7 +73,7 @@ public:
             {3, nullptr, "Populate"},
             {4, nullptr, "PostBufferAsync"},
             {5, nullptr, "GetXferReport"},
-            {6, nullptr, "Unknown2"},
+            {6, nullptr, "PostBufferMultiAsync"},
             {7, nullptr, "Unknown3"},
             {8, nullptr, "Unknown4"},
         };

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

@@ -18,7 +18,8 @@
 #include "common/swap.h"
 #include "core/core_timing.h"
 #include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/nvdrv/nvdrv.h"
 #include "core/hle/service/nvflinger/buffer_queue.h"
 #include "core/hle/service/nvflinger/nvflinger.h"
@@ -542,12 +543,14 @@ private:
                         // Repeat TransactParcel DequeueBuffer when a buffer is available
                         auto buffer_queue = nv_flinger->GetBufferQueue(id);
                         std::optional<u32> slot = buffer_queue->DequeueBuffer(width, height);
+                        ASSERT_MSG(slot != std::nullopt, "Could not dequeue buffer.");
+
                         IGBPDequeueBufferResponseParcel response{*slot};
                         ctx.WriteBuffer(response.Serialize());
                         IPC::ResponseBuilder rb{ctx, 2};
                         rb.Push(RESULT_SUCCESS);
                     },
-                    buffer_queue->GetBufferWaitEvent());
+                    buffer_queue->GetWritableBufferWaitEvent());
             }
         } else if (transaction == TransactionId::RequestBuffer) {
             IGBPRequestBufferRequestParcel request{ctx.ReadBuffer()};

src/core/loader/deconstructed_rom_directory.cpp

@@ -7,7 +7,6 @@
 #include "common/common_funcs.h"
 #include "common/file_util.h"
 #include "common/logging/log.h"
-#include "core/core.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"
@@ -146,7 +145,7 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(Kernel::Process& process)
         const VAddr load_addr = next_load_addr;
         const bool should_pass_arguments = std::strcmp(module, "rtld") == 0;
         const auto tentative_next_load_addr =
-            AppLoader_NSO::LoadModule(*module_file, load_addr, should_pass_arguments, pm);
+            AppLoader_NSO::LoadModule(process, *module_file, load_addr, should_pass_arguments, pm);
         if (!tentative_next_load_addr) {
             return ResultStatus::ErrorLoadingNSO;
         }

src/core/loader/nro.cpp

@@ -10,7 +10,6 @@
 #include "common/file_util.h"
 #include "common/logging/log.h"
 #include "common/swap.h"
-#include "core/core.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/romfs_factory.h"
 #include "core/file_sys/vfs_offset.h"
@@ -129,9 +128,8 @@ static constexpr u32 PageAlignSize(u32 size) {
     return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK;
 }
 
-/*static*/ bool AppLoader_NRO::LoadNro(const std::vector<u8>& data, const std::string& name,
-                                       VAddr load_base) {
-
+static bool LoadNroImpl(Kernel::Process& process, const std::vector<u8>& data,
+                        const std::string& name, VAddr load_base) {
     if (data.size() < sizeof(NroHeader)) {
         return {};
     }
@@ -189,7 +187,7 @@ static constexpr u32 PageAlignSize(u32 size) {
 
     // Load codeset for current process
     codeset.memory = std::make_shared<std::vector<u8>>(std::move(program_image));
-    Core::CurrentProcess()->LoadModule(std::move(codeset), load_base);
+    process.LoadModule(std::move(codeset), load_base);
 
     // Register module with GDBStub
     GDBStub::RegisterModule(name, load_base, load_base);
@@ -197,8 +195,9 @@ static constexpr u32 PageAlignSize(u32 size) {
     return true;
 }
 
-bool AppLoader_NRO::LoadNro(const FileSys::VfsFile& file, VAddr load_base) {
-    return AppLoader_NRO::LoadNro(file.ReadAllBytes(), file.GetName(), load_base);
+bool AppLoader_NRO::LoadNro(Kernel::Process& process, const FileSys::VfsFile& file,
+                            VAddr load_base) {
+    return LoadNroImpl(process, file.ReadAllBytes(), file.GetName(), load_base);
 }
 
 ResultStatus AppLoader_NRO::Load(Kernel::Process& process) {
@@ -209,7 +208,7 @@ ResultStatus AppLoader_NRO::Load(Kernel::Process& process) {
     // Load NRO
     const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress();
 
-    if (!LoadNro(*file, base_address)) {
+    if (!LoadNro(process, *file, base_address)) {
         return ResultStatus::ErrorLoadingNRO;
     }
 

src/core/loader/nro.h

@@ -14,6 +14,10 @@ namespace FileSys {
 class NACP;
 }
 
+namespace Kernel {
+class Process;
+}
+
 namespace Loader {
 
 /// Loads an NRO file
@@ -41,10 +45,8 @@ public:
     ResultStatus ReadTitle(std::string& title) override;
     bool IsRomFSUpdatable() const override;
 
-    static bool LoadNro(const std::vector<u8>& data, const std::string& name, VAddr load_base);
-
 private:
-    bool LoadNro(const FileSys::VfsFile& file, VAddr load_base);
+    bool LoadNro(Kernel::Process& process, const FileSys::VfsFile& file, VAddr load_base);
 
     std::vector<u8> icon_data;
     std::unique_ptr<FileSys::NACP> nacp;

src/core/loader/nso.cpp

@@ -9,7 +9,6 @@
 #include "common/file_util.h"
 #include "common/logging/log.h"
 #include "common/swap.h"
-#include "core/core.h"
 #include "core/file_sys/patch_manager.h"
 #include "core/gdbstub/gdbstub.h"
 #include "core/hle/kernel/process.h"
@@ -93,7 +92,8 @@ static constexpr u32 PageAlignSize(u32 size) {
     return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK;
 }
 
-std::optional<VAddr> AppLoader_NSO::LoadModule(const FileSys::VfsFile& file, VAddr load_base,
+std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
+                                               const FileSys::VfsFile& file, VAddr load_base,
                                                bool should_pass_arguments,
                                                std::optional<FileSys::PatchManager> pm) {
     if (file.GetSize() < sizeof(NsoHeader))
@@ -166,7 +166,7 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(const FileSys::VfsFile& file, VAd
 
     // Load codeset for current process
     codeset.memory = std::make_shared<std::vector<u8>>(std::move(program_image));
-    Core::CurrentProcess()->LoadModule(std::move(codeset), load_base);
+    process.LoadModule(std::move(codeset), load_base);
 
     // Register module with GDBStub
     GDBStub::RegisterModule(file.GetName(), load_base, load_base);
@@ -181,7 +181,7 @@ ResultStatus AppLoader_NSO::Load(Kernel::Process& process) {
 
     // Load module
     const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress();
-    if (!LoadModule(*file, base_address, true)) {
+    if (!LoadModule(process, *file, base_address, true)) {
         return ResultStatus::ErrorLoadingNSO;
     }
     LOG_DEBUG(Loader, "loaded module {} @ 0x{:X}", file->GetName(), base_address);

src/core/loader/nso.h

@@ -10,6 +10,10 @@
 #include "core/loader/linker.h"
 #include "core/loader/loader.h"
 
+namespace Kernel {
+class Process;
+}
+
 namespace Loader {
 
 constexpr u64 NSO_ARGUMENT_DATA_ALLOCATION_SIZE = 0x9000;
@@ -37,8 +41,8 @@ public:
         return IdentifyType(file);
     }
 
-    static std::optional<VAddr> LoadModule(const FileSys::VfsFile& file, VAddr load_base,
-                                           bool should_pass_arguments,
+    static std::optional<VAddr> LoadModule(Kernel::Process& process, const FileSys::VfsFile& file,
+                                           VAddr load_base, bool should_pass_arguments,
                                            std::optional<FileSys::PatchManager> pm = {});
 
     ResultStatus Load(Kernel::Process& process) override;

src/core/memory.cpp

@@ -53,6 +53,14 @@ void PageTable::Resize(std::size_t address_space_width_in_bits) {
 
     pointers.resize(num_page_table_entries);
     attributes.resize(num_page_table_entries);
+
+    // The default is a 39-bit address space, which causes an initial 1GB allocation size. If the
+    // vector size is subsequently decreased (via resize), the vector might not automatically
+    // actually reallocate/resize its underlying allocation, which wastes up to ~800 MB for
+    // 36-bit titles. Call shrink_to_fit to reduce capacity to what's actually in use.
+
+    pointers.shrink_to_fit();
+    attributes.shrink_to_fit();
 }
 
 static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, PageType type) {

src/video_core/command_processor.cpp

@@ -1,142 +0,0 @@
-// Copyright 2018 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <array>
-#include <cstddef>
-#include <memory>
-#include <utility>
-#include "common/assert.h"
-#include "common/logging/log.h"
-#include "common/microprofile.h"
-#include "common/vector_math.h"
-#include "core/memory.h"
-#include "core/tracer/recorder.h"
-#include "video_core/command_processor.h"
-#include "video_core/engines/fermi_2d.h"
-#include "video_core/engines/kepler_memory.h"
-#include "video_core/engines/maxwell_3d.h"
-#include "video_core/engines/maxwell_compute.h"
-#include "video_core/engines/maxwell_dma.h"
-#include "video_core/gpu.h"
-#include "video_core/renderer_base.h"
-#include "video_core/video_core.h"
-
-namespace Tegra {
-
-enum class BufferMethods {
-    BindObject = 0,
-    CountBufferMethods = 0x40,
-};
-
-MICROPROFILE_DEFINE(ProcessCommandLists, "GPU", "Execute command buffer", MP_RGB(128, 128, 192));
-
-void GPU::ProcessCommandLists(const std::vector<CommandListHeader>& commands) {
-    MICROPROFILE_SCOPE(ProcessCommandLists);
-
-    // On entering GPU code, assume all memory may be touched by the ARM core.
-    maxwell_3d->dirty_flags.OnMemoryWrite();
-
-    auto WriteReg = [this](u32 method, u32 subchannel, u32 value, u32 remaining_params) {
-        LOG_TRACE(HW_GPU,
-                  "Processing method {:08X} on subchannel {} value "
-                  "{:08X} remaining params {}",
-                  method, subchannel, value, remaining_params);
-
-        ASSERT(subchannel < bound_engines.size());
-
-        if (method == static_cast<u32>(BufferMethods::BindObject)) {
-            // Bind the current subchannel to the desired engine id.
-            LOG_DEBUG(HW_GPU, "Binding subchannel {} to engine {}", subchannel, value);
-            bound_engines[subchannel] = static_cast<EngineID>(value);
-            return;
-        }
-
-        if (method < static_cast<u32>(BufferMethods::CountBufferMethods)) {
-            // TODO(Subv): Research and implement these methods.
-            LOG_ERROR(HW_GPU, "Special buffer methods other than Bind are not implemented");
-            return;
-        }
-
-        const EngineID engine = bound_engines[subchannel];
-
-        switch (engine) {
-        case EngineID::FERMI_TWOD_A:
-            fermi_2d->WriteReg(method, value);
-            break;
-        case EngineID::MAXWELL_B:
-            maxwell_3d->WriteReg(method, value, remaining_params);
-            break;
-        case EngineID::MAXWELL_COMPUTE_B:
-            maxwell_compute->WriteReg(method, value);
-            break;
-        case EngineID::MAXWELL_DMA_COPY_A:
-            maxwell_dma->WriteReg(method, value);
-            break;
-        case EngineID::KEPLER_INLINE_TO_MEMORY_B:
-            kepler_memory->WriteReg(method, value);
-            break;
-        default:
-            UNIMPLEMENTED_MSG("Unimplemented engine");
-        }
-    };
-
-    for (auto entry : commands) {
-        Tegra::GPUVAddr address = entry.Address();
-        u32 size = entry.sz;
-        const std::optional<VAddr> head_address = memory_manager->GpuToCpuAddress(address);
-        VAddr current_addr = *head_address;
-        while (current_addr < *head_address + size * sizeof(CommandHeader)) {
-            const CommandHeader header = {Memory::Read32(current_addr)};
-            current_addr += sizeof(u32);
-
-            switch (header.mode.Value()) {
-            case SubmissionMode::IncreasingOld:
-            case SubmissionMode::Increasing: {
-                // Increase the method value with each argument.
-                for (unsigned i = 0; i < header.arg_count; ++i) {
-                    WriteReg(header.method + i, header.subchannel, Memory::Read32(current_addr),
-                             header.arg_count - i - 1);
-                    current_addr += sizeof(u32);
-                }
-                break;
-            }
-            case SubmissionMode::NonIncreasingOld:
-            case SubmissionMode::NonIncreasing: {
-                // Use the same method value for all arguments.
-                for (unsigned i = 0; i < header.arg_count; ++i) {
-                    WriteReg(header.method, header.subchannel, Memory::Read32(current_addr),
-                             header.arg_count - i - 1);
-                    current_addr += sizeof(u32);
-                }
-                break;
-            }
-            case SubmissionMode::IncreaseOnce: {
-                ASSERT(header.arg_count.Value() >= 1);
-
-                // Use the original method for the first argument and then the next method for all
-                // other arguments.
-                WriteReg(header.method, header.subchannel, Memory::Read32(current_addr),
-                         header.arg_count - 1);
-                current_addr += sizeof(u32);
-
-                for (unsigned i = 1; i < header.arg_count; ++i) {
-                    WriteReg(header.method + 1, header.subchannel, Memory::Read32(current_addr),
-                             header.arg_count - i - 1);
-                    current_addr += sizeof(u32);
-                }
-                break;
-            }
-            case SubmissionMode::Inline: {
-                // The register value is stored in the bits 16-28 as an immediate
-                WriteReg(header.method, header.subchannel, header.inline_data, 0);
-                break;
-            }
-            default:
-                UNIMPLEMENTED();
-            }
-        }
-    }
-}
-
-} // namespace Tegra

src/video_core/engines/maxwell_3d.h

@@ -42,6 +42,7 @@ public:
         static constexpr std::size_t NumVertexArrays = 32;
         static constexpr std::size_t NumVertexAttributes = 32;
         static constexpr std::size_t NumTextureSamplers = 32;
+        static constexpr std::size_t NumClipDistances = 8;
         static constexpr std::size_t MaxShaderProgram = 6;
         static constexpr std::size_t MaxShaderStage = 5;
         // Maximum number of const buffers per shader stage.

src/video_core/engines/shader_bytecode.h

@@ -1049,6 +1049,7 @@ union Instruction {
         BitField<49, 1, u64> nodep_flag;
         BitField<50, 3, u64> component_mask_selector;
         BitField<53, 4, u64> texture_info;
+        BitField<60, 1, u64> fp32_flag;
 
         TextureType GetTextureType() const {
             // The TEXS instruction has a weird encoding for the texture type.
@@ -1549,7 +1550,7 @@ private:
             INST("1110111011011---", Id::STG, Type::Memory, "STG"),
             INST("110000----111---", Id::TEX, Type::Memory, "TEX"),
             INST("1101111101001---", Id::TXQ, Type::Memory, "TXQ"),
-            INST("1101100---------", Id::TEXS, Type::Memory, "TEXS"),
+            INST("1101-00---------", Id::TEXS, Type::Memory, "TEXS"),
             INST("1101101---------", Id::TLDS, Type::Memory, "TLDS"),
             INST("110010----111---", Id::TLD4, Type::Memory, "TLD4"),
             INST("1101111100------", Id::TLD4S, Type::Memory, "TLD4S"),

src/video_core/gpu.cpp

@@ -128,10 +128,8 @@ enum class BufferMethods {
 };
 
 void GPU::CallMethod(const MethodCall& method_call) {
-    LOG_TRACE(HW_GPU,
-              "Processing method {:08X} on subchannel {} value "
-              "{:08X} remaining params {}",
-              MethCall.method, MethCall.subchannel, value, remaining_params);
+    LOG_TRACE(HW_GPU, "Processing method {:08X} on subchannel {}", method_call.method,
+              method_call.subchannel);
 
     ASSERT(method_call.subchannel < bound_engines.size());
 
@@ -143,6 +141,12 @@ void GPU::CallMethod(const MethodCall& method_call) {
         return;
     }
 
+    if (method_call.method < static_cast<u32>(BufferMethods::CountBufferMethods)) {
+        // TODO(Subv): Research and implement these methods.
+        LOG_ERROR(HW_GPU, "Special buffer methods other than Bind are not implemented");
+        return;
+    }
+
     const EngineID engine = bound_engines[method_call.subchannel];
 
     switch (engine) {

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -79,6 +79,26 @@ struct DrawParameters {
     }
 };
 
+struct FramebufferCacheKey {
+    bool is_single_buffer = false;
+    bool stencil_enable = false;
+
+    std::array<GLenum, Maxwell::NumRenderTargets> color_attachments{};
+    std::array<GLuint, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> colors{};
+    u32 colors_count = 0;
+
+    GLuint zeta = 0;
+
+    auto Tie() const {
+        return std::tie(is_single_buffer, stencil_enable, color_attachments, colors, colors_count,
+                        zeta);
+    }
+
+    bool operator<(const FramebufferCacheKey& rhs) const {
+        return Tie() < rhs.Tie();
+    }
+};
+
 RasterizerOpenGL::RasterizerOpenGL(Core::Frontend::EmuWindow& window, ScreenInfo& info)
     : res_cache{*this}, shader_cache{*this}, emu_window{window}, screen_info{info},
       buffer_cache(*this, STREAM_BUFFER_SIZE) {
@@ -88,24 +108,8 @@ RasterizerOpenGL::RasterizerOpenGL(Core::Frontend::EmuWindow& window, ScreenInfo
         state.texture_units[i].sampler = texture_samplers[i].sampler.handle;
     }
 
-    GLint ext_num;
-    glGetIntegerv(GL_NUM_EXTENSIONS, &ext_num);
-    for (GLint i = 0; i < ext_num; i++) {
-        const std::string_view extension{
-            reinterpret_cast<const char*>(glGetStringi(GL_EXTENSIONS, i))};
-
-        if (extension == "GL_ARB_direct_state_access") {
-            has_ARB_direct_state_access = true;
-        } else if (extension == "GL_ARB_multi_bind") {
-            has_ARB_multi_bind = true;
-        }
-    }
-
     OpenGLState::ApplyDefaultState();
 
-    // Create render framebuffer
-    framebuffer.Create();
-
     shader_program_manager = std::make_unique<GLShader::ProgramManager>();
     state.draw.shader_program = 0;
     state.Apply();
@@ -295,6 +299,7 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
     // shaders. The constbuffer bindpoint starts after the shader stage configuration bind points.
     u32 current_constbuffer_bindpoint = Tegra::Engines::Maxwell3D::Regs::MaxShaderStage;
     u32 current_texture_bindpoint = 0;
+    std::array<bool, Maxwell::NumClipDistances> clip_distances{};
 
     for (std::size_t index = 0; index < Maxwell::MaxShaderProgram; ++index) {
         const auto& shader_config = gpu.regs.shader_config[index];
@@ -355,12 +360,60 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
         current_texture_bindpoint = SetupTextures(static_cast<Maxwell::ShaderStage>(stage), shader,
                                                   primitive_mode, current_texture_bindpoint);
 
+        // Workaround for Intel drivers.
+        // When a clip distance is enabled but not set in the shader it crops parts of the screen
+        // (sometimes it's half the screen, sometimes three quarters). To avoid this, enable the
+        // clip distances only when it's written by a shader stage.
+        for (std::size_t i = 0; i < Maxwell::NumClipDistances; ++i) {
+            clip_distances[i] |= shader->GetShaderEntries().clip_distances[i];
+        }
+
         // When VertexA is enabled, we have dual vertex shaders
         if (program == Maxwell::ShaderProgram::VertexA) {
             // VertexB was combined with VertexA, so we skip the VertexB iteration
             index++;
         }
     }
+
+    SyncClipEnabled(clip_distances);
+}
+
+void RasterizerOpenGL::SetupCachedFramebuffer(const FramebufferCacheKey& fbkey,
+                                              OpenGLState& current_state) {
+    const auto [entry, is_cache_miss] = framebuffer_cache.try_emplace(fbkey);
+    auto& framebuffer = entry->second;
+
+    if (is_cache_miss)
+        framebuffer.Create();
+
+    current_state.draw.draw_framebuffer = framebuffer.handle;
+    current_state.ApplyFramebufferState();
+
+    if (!is_cache_miss)
+        return;
+
+    if (fbkey.is_single_buffer) {
+        if (fbkey.color_attachments[0] != GL_NONE) {
+            glFramebufferTexture(GL_DRAW_FRAMEBUFFER, fbkey.color_attachments[0], fbkey.colors[0],
+                                 0);
+        }
+        glDrawBuffer(fbkey.color_attachments[0]);
+    } else {
+        for (std::size_t index = 0; index < Maxwell::NumRenderTargets; ++index) {
+            if (fbkey.colors[index]) {
+                glFramebufferTexture(GL_DRAW_FRAMEBUFFER,
+                                     GL_COLOR_ATTACHMENT0 + static_cast<GLenum>(index),
+                                     fbkey.colors[index], 0);
+            }
+        }
+        glDrawBuffers(fbkey.colors_count, fbkey.color_attachments.data());
+    }
+
+    if (fbkey.zeta) {
+        GLenum zeta_attachment =
+            fbkey.stencil_enable ? GL_DEPTH_STENCIL_ATTACHMENT : GL_DEPTH_ATTACHMENT;
+        glFramebufferTexture(GL_DRAW_FRAMEBUFFER, zeta_attachment, fbkey.zeta, 0);
+    }
 }
 
 std::size_t RasterizerOpenGL::CalculateVertexArraysSize() const {
@@ -443,13 +496,13 @@ void RasterizerOpenGL::ConfigureFramebuffers(OpenGLState& current_state, bool us
     // TODO(bunnei): Figure out how the below register works. According to envytools, this should be
     // used to enable multiple render targets. However, it is left unset on all games that I have
     // tested.
-    ASSERT_MSG(regs.rt_separate_frag_data == 0, "Unimplemented");
+    UNIMPLEMENTED_IF(regs.rt_separate_frag_data != 0);
 
     // Bind the framebuffer surfaces
-    current_state.draw.draw_framebuffer = framebuffer.handle;
-    current_state.ApplyFramebufferState();
     current_state.framebuffer_srgb.enabled = regs.framebuffer_srgb != 0;
 
+    FramebufferCacheKey fbkey;
+
     if (using_color_fb) {
         if (single_color_target) {
             // Used when just a single color attachment is enabled, e.g. for clearing a color buffer
@@ -465,14 +518,12 @@ void RasterizerOpenGL::ConfigureFramebuffers(OpenGLState& current_state, bool us
                 state.framebuffer_srgb.enabled |= color_surface->GetSurfaceParams().srgb_conversion;
             }
 
-            glFramebufferTexture2D(
-                GL_DRAW_FRAMEBUFFER,
-                GL_COLOR_ATTACHMENT0 + static_cast<GLenum>(*single_color_target), GL_TEXTURE_2D,
-                color_surface != nullptr ? color_surface->Texture().handle : 0, 0);
-            glDrawBuffer(GL_COLOR_ATTACHMENT0 + static_cast<GLenum>(*single_color_target));
+            fbkey.is_single_buffer = true;
+            fbkey.color_attachments[0] =
+                GL_COLOR_ATTACHMENT0 + static_cast<GLenum>(*single_color_target);
+            fbkey.colors[0] = color_surface != nullptr ? color_surface->Texture().handle : 0;
         } else {
             // Multiple color attachments are enabled
-            std::array<GLenum, Maxwell::NumRenderTargets> buffers;
             for (std::size_t index = 0; index < Maxwell::NumRenderTargets; ++index) {
                 Surface color_surface = res_cache.GetColorBufferSurface(index, preserve_contents);
 
@@ -487,22 +538,17 @@ void RasterizerOpenGL::ConfigureFramebuffers(OpenGLState& current_state, bool us
                         color_surface->GetSurfaceParams().srgb_conversion;
                 }
 
-                buffers[index] = GL_COLOR_ATTACHMENT0 + regs.rt_control.GetMap(index);
-                glFramebufferTexture2D(
-                    GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + static_cast<GLenum>(index),
-                    GL_TEXTURE_2D, color_surface != nullptr ? color_surface->Texture().handle : 0,
-                    0);
+                fbkey.color_attachments[index] =
+                    GL_COLOR_ATTACHMENT0 + regs.rt_control.GetMap(index);
+                fbkey.colors[index] =
+                    color_surface != nullptr ? color_surface->Texture().handle : 0;
             }
-            glDrawBuffers(regs.rt_control.count, buffers.data());
+            fbkey.is_single_buffer = false;
+            fbkey.colors_count = regs.rt_control.count;
         }
     } else {
-        // No color attachments are enabled - zero out all of them
-        for (std::size_t index = 0; index < Maxwell::NumRenderTargets; ++index) {
-            glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER,
-                                   GL_COLOR_ATTACHMENT0 + static_cast<GLenum>(index), GL_TEXTURE_2D,
-                                   0, 0);
-        }
-        glDrawBuffer(GL_NONE);
+        // No color attachments are enabled - leave them as zero
+        fbkey.is_single_buffer = true;
     }
 
     if (depth_surface) {
@@ -510,22 +556,12 @@ void RasterizerOpenGL::ConfigureFramebuffers(OpenGLState& current_state, bool us
         // the shader doesn't actually write to it.
         depth_surface->MarkAsModified(true, res_cache);
 
-        if (regs.stencil_enable) {
-            // Attach both depth and stencil
-            glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D,
-                                   depth_surface->Texture().handle, 0);
-        } else {
-            // Attach depth
-            glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D,
-                                   depth_surface->Texture().handle, 0);
-            // Clear stencil attachment
-            glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
-        }
-    } else {
-        // Clear both depth and stencil attachment
-        glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0,
-                               0);
+        fbkey.zeta = depth_surface->Texture().handle;
+        fbkey.stencil_enable = regs.stencil_enable;
     }
+
+    SetupCachedFramebuffer(fbkey, current_state);
+
     SyncViewport(current_state);
 }
 
@@ -642,7 +678,6 @@ void RasterizerOpenGL::DrawArrays() {
     SyncCullMode();
     SyncPrimitiveRestart();
     SyncScissorTest(state);
-    SyncClipEnabled();
     // Alpha Testing is synced on shaders.
     SyncTransformFeedback();
     SyncPointState();
@@ -1019,20 +1054,23 @@ void RasterizerOpenGL::SyncViewport(OpenGLState& current_state) {
     state.depth_clamp.near_plane = regs.view_volume_clip_control.depth_clamp_near != 0;
 }
 
-void RasterizerOpenGL::SyncClipEnabled() {
+void RasterizerOpenGL::SyncClipEnabled(
+    const std::array<bool, Maxwell::Regs::NumClipDistances>& clip_mask) {
+
     const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
-    state.clip_distance[0] = regs.clip_distance_enabled.c0 != 0;
-    state.clip_distance[1] = regs.clip_distance_enabled.c1 != 0;
-    state.clip_distance[2] = regs.clip_distance_enabled.c2 != 0;
-    state.clip_distance[3] = regs.clip_distance_enabled.c3 != 0;
-    state.clip_distance[4] = regs.clip_distance_enabled.c4 != 0;
-    state.clip_distance[5] = regs.clip_distance_enabled.c5 != 0;
-    state.clip_distance[6] = regs.clip_distance_enabled.c6 != 0;
-    state.clip_distance[7] = regs.clip_distance_enabled.c7 != 0;
+    const std::array<bool, Maxwell::Regs::NumClipDistances> reg_state{
+        regs.clip_distance_enabled.c0 != 0, regs.clip_distance_enabled.c1 != 0,
+        regs.clip_distance_enabled.c2 != 0, regs.clip_distance_enabled.c3 != 0,
+        regs.clip_distance_enabled.c4 != 0, regs.clip_distance_enabled.c5 != 0,
+        regs.clip_distance_enabled.c6 != 0, regs.clip_distance_enabled.c7 != 0};
+
+    for (std::size_t i = 0; i < Maxwell::Regs::NumClipDistances; ++i) {
+        state.clip_distance[i] = reg_state[i] && clip_mask[i];
+    }
 }
 
 void RasterizerOpenGL::SyncClipCoef() {
-    UNREACHABLE();
+    UNIMPLEMENTED();
 }
 
 void RasterizerOpenGL::SyncCullMode() {

src/video_core/renderer_opengl/gl_rasterizer.h

@@ -40,6 +40,7 @@ namespace OpenGL {
 
 struct ScreenInfo;
 struct DrawParameters;
+struct FramebufferCacheKey;
 
 class RasterizerOpenGL : public VideoCore::RasterizerInterface {
 public:
@@ -60,20 +61,6 @@ public:
     bool AccelerateDrawBatch(bool is_indexed) override;
     void UpdatePagesCachedCount(Tegra::GPUVAddr addr, u64 size, int delta) override;
 
-    /// OpenGL shader generated for a given Maxwell register state
-    struct MaxwellShader {
-        /// OpenGL shader resource
-        OGLProgram shader;
-    };
-
-    struct VertexShader {
-        OGLShader shader;
-    };
-
-    struct FragmentShader {
-        OGLShader shader;
-    };
-
     /// Maximum supported size that a constbuffer can have in bytes.
     static constexpr std::size_t MaxConstbufferSize = 0x10000;
     static_assert(MaxConstbufferSize % sizeof(GLvec4) == 0,
@@ -142,7 +129,8 @@ private:
     void SyncViewport(OpenGLState& current_state);
 
     /// Syncs the clip enabled status to match the guest state
-    void SyncClipEnabled();
+    void SyncClipEnabled(
+        const std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances>& clip_mask);
 
     /// Syncs the clip coefficients to match the guest state
     void SyncClipCoef();
@@ -193,9 +181,6 @@ private:
     /// but are needed for correct emulation
     void CheckExtensions();
 
-    bool has_ARB_direct_state_access = false;
-    bool has_ARB_multi_bind = false;
-
     OpenGLState state;
 
     RasterizerCacheOpenGL res_cache;
@@ -211,11 +196,12 @@ private:
              OGLVertexArray>
         vertex_array_cache;
 
+    std::map<FramebufferCacheKey, OGLFramebuffer> framebuffer_cache;
+
     std::array<SamplerInfo, Tegra::Engines::Maxwell3D::Regs::NumTextureSamplers> texture_samplers;
 
     static constexpr std::size_t STREAM_BUFFER_SIZE = 128 * 1024 * 1024;
     OGLBufferCache buffer_cache;
-    OGLFramebuffer framebuffer;
     PrimitiveAssembler primitive_assembler{buffer_cache};
     GLint uniform_buffer_alignment;
 
@@ -230,6 +216,8 @@ private:
 
     void SetupShaders(GLenum primitive_mode);
 
+    void SetupCachedFramebuffer(const FramebufferCacheKey& fbkey, OpenGLState& current_state);
+
     enum class AccelDraw { Disabled, Arrays, Indexed };
     AccelDraw accelerate_draw = AccelDraw::Disabled;
 

src/video_core/renderer_opengl/gl_rasterizer_cache.cpp

@@ -405,138 +405,6 @@ void SwizzleFunc(const MortonSwizzleMode& mode, const SurfaceParams& params,
     }
 }
 
-MICROPROFILE_DEFINE(OpenGL_BlitSurface, "OpenGL", "BlitSurface", MP_RGB(128, 192, 64));
-static bool BlitSurface(const Surface& src_surface, const Surface& dst_surface,
-                        GLuint read_fb_handle, GLuint draw_fb_handle, GLenum src_attachment = 0,
-                        GLenum dst_attachment = 0, std::size_t cubemap_face = 0) {
-    MICROPROFILE_SCOPE(OpenGL_BlitSurface);
-
-    const auto& src_params{src_surface->GetSurfaceParams()};
-    const auto& dst_params{dst_surface->GetSurfaceParams()};
-
-    OpenGLState prev_state{OpenGLState::GetCurState()};
-    SCOPE_EXIT({ prev_state.Apply(); });
-
-    OpenGLState state;
-    state.draw.read_framebuffer = read_fb_handle;
-    state.draw.draw_framebuffer = draw_fb_handle;
-    // Set sRGB enabled if the destination surfaces need it
-    state.framebuffer_srgb.enabled = dst_params.srgb_conversion;
-    state.ApplyFramebufferState();
-
-    u32 buffers{};
-
-    if (src_params.type == SurfaceType::ColorTexture) {
-        switch (src_params.target) {
-        case SurfaceTarget::Texture2D:
-            glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + src_attachment,
-                                   GL_TEXTURE_2D, src_surface->Texture().handle, 0);
-            glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D,
-                                   0, 0);
-            break;
-        case SurfaceTarget::TextureCubemap:
-            glFramebufferTexture2D(
-                GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + src_attachment,
-                static_cast<GLenum>(GL_TEXTURE_CUBE_MAP_POSITIVE_X + cubemap_face),
-                src_surface->Texture().handle, 0);
-            glFramebufferTexture2D(
-                GL_READ_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT,
-                static_cast<GLenum>(GL_TEXTURE_CUBE_MAP_POSITIVE_X + cubemap_face), 0, 0);
-            break;
-        case SurfaceTarget::Texture2DArray:
-            glFramebufferTextureLayer(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + src_attachment,
-                                      src_surface->Texture().handle, 0, 0);
-            glFramebufferTextureLayer(GL_READ_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, 0, 0, 0);
-            break;
-        case SurfaceTarget::Texture3D:
-            glFramebufferTexture3D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + src_attachment,
-                                   SurfaceTargetToGL(src_params.target),
-                                   src_surface->Texture().handle, 0, 0);
-            glFramebufferTexture3D(GL_READ_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT,
-                                   SurfaceTargetToGL(src_params.target), 0, 0, 0);
-            break;
-        default:
-            glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + src_attachment,
-                                   GL_TEXTURE_2D, src_surface->Texture().handle, 0);
-            glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D,
-                                   0, 0);
-            break;
-        }
-
-        switch (dst_params.target) {
-        case SurfaceTarget::Texture2D:
-            glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + dst_attachment,
-                                   GL_TEXTURE_2D, dst_surface->Texture().handle, 0);
-            glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D,
-                                   0, 0);
-            break;
-        case SurfaceTarget::TextureCubemap:
-            glFramebufferTexture2D(
-                GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + dst_attachment,
-                static_cast<GLenum>(GL_TEXTURE_CUBE_MAP_POSITIVE_X + cubemap_face),
-                dst_surface->Texture().handle, 0);
-            glFramebufferTexture2D(
-                GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT,
-                static_cast<GLenum>(GL_TEXTURE_CUBE_MAP_POSITIVE_X + cubemap_face), 0, 0);
-            break;
-        case SurfaceTarget::Texture2DArray:
-            glFramebufferTextureLayer(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + dst_attachment,
-                                      dst_surface->Texture().handle, 0, 0);
-            glFramebufferTextureLayer(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, 0, 0, 0);
-            break;
-
-        case SurfaceTarget::Texture3D:
-            glFramebufferTexture3D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + dst_attachment,
-                                   SurfaceTargetToGL(dst_params.target),
-                                   dst_surface->Texture().handle, 0, 0);
-            glFramebufferTexture3D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT,
-                                   SurfaceTargetToGL(dst_params.target), 0, 0, 0);
-            break;
-        default:
-            glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + dst_attachment,
-                                   GL_TEXTURE_2D, dst_surface->Texture().handle, 0);
-            glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D,
-                                   0, 0);
-            break;
-        }
-
-        buffers = GL_COLOR_BUFFER_BIT;
-    } else if (src_params.type == SurfaceType::Depth) {
-        glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + src_attachment,
-                               GL_TEXTURE_2D, 0, 0);
-        glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D,
-                               src_surface->Texture().handle, 0);
-        glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
-
-        glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + dst_attachment,
-                               GL_TEXTURE_2D, 0, 0);
-        glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D,
-                               dst_surface->Texture().handle, 0);
-        glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
-
-        buffers = GL_DEPTH_BUFFER_BIT;
-    } else if (src_params.type == SurfaceType::DepthStencil) {
-        glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + src_attachment,
-                               GL_TEXTURE_2D, 0, 0);
-        glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D,
-                               src_surface->Texture().handle, 0);
-
-        glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + dst_attachment,
-                               GL_TEXTURE_2D, 0, 0);
-        glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D,
-                               dst_surface->Texture().handle, 0);
-
-        buffers = GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
-    }
-
-    const auto& rect{src_params.GetRect()};
-    glBlitFramebuffer(rect.left, rect.bottom, rect.right, rect.top, rect.left, rect.bottom,
-                      rect.right, rect.top, buffers,
-                      buffers == GL_COLOR_BUFFER_BIT ? GL_LINEAR : GL_NEAREST);
-
-    return true;
-}
-
 static void FastCopySurface(const Surface& src_surface, const Surface& dst_surface) {
     const auto& src_params{src_surface->GetSurfaceParams()};
     const auto& dst_params{dst_surface->GetSurfaceParams()};
@@ -841,9 +709,10 @@ void CachedSurface::LoadGLBuffer() {
         const auto texture_src_data_end{texture_src_data + params.size_in_bytes_gl};
         gl_buffer[0].assign(texture_src_data, texture_src_data_end);
     }
-    for (u32 i = 0; i < params.max_mip_level; i++)
+    for (u32 i = 0; i < params.max_mip_level; i++) {
         ConvertFormatAsNeeded_LoadGLBuffer(gl_buffer[i], params.pixel_format, params.MipWidth(i),
                                            params.MipHeight(i), params.MipDepth(i));
+    }
 }
 
 MICROPROFILE_DEFINE(OpenGL_SurfaceFlush, "OpenGL", "Surface Flush", MP_RGB(128, 192, 64));
@@ -1163,7 +1032,10 @@ void RasterizerCacheOpenGL::AccurateCopySurface(const Surface& src_surface,
                                                 const Surface& dst_surface) {
     const auto& src_params{src_surface->GetSurfaceParams()};
     const auto& dst_params{dst_surface->GetSurfaceParams()};
-    FlushRegion(src_params.addr, dst_params.MemorySize());
+
+    // Flush enough memory for both the source and destination surface
+    FlushRegion(src_params.addr, std::max(src_params.MemorySize(), dst_params.MemorySize()));
+
     LoadSurface(dst_surface);
 }
 
@@ -1189,20 +1061,9 @@ Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& old_surface,
         return new_surface;
     }
 
-    // If the format is the same, just do a framebuffer blit. This is significantly faster than
-    // using PBOs. The is also likely less accurate, as textures will be converted rather than
-    // reinterpreted. When use_accurate_gpu_emulation setting is enabled, perform a more accurate
-    // surface copy, where pixels are reinterpreted as a new format (without conversion). This
-    // code path uses OpenGL PBOs and is quite slow.
-    const bool is_blit{old_params.pixel_format == new_params.pixel_format};
-
     switch (new_params.target) {
     case SurfaceTarget::Texture2D:
-        if (is_blit) {
-            BlitSurface(old_surface, new_surface, read_framebuffer.handle, draw_framebuffer.handle);
-        } else {
-            CopySurface(old_surface, new_surface, copy_pbo.handle);
-        }
+        CopySurface(old_surface, new_surface, copy_pbo.handle);
         break;
     case SurfaceTarget::Texture3D:
         AccurateCopySurface(old_surface, new_surface);

src/video_core/renderer_opengl/gl_shader_cache.cpp

@@ -2,7 +2,9 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <boost/functional/hash.hpp>
 #include "common/assert.h"
+#include "common/hash.h"
 #include "core/core.h"
 #include "core/memory.h"
 #include "video_core/engines/maxwell_3d.h"
@@ -66,14 +68,17 @@ CachedShader::CachedShader(VAddr addr, Maxwell::ShaderProgram program_type)
         // stage here.
         setup.SetProgramB(GetShaderCode(GetShaderAddress(Maxwell::ShaderProgram::VertexB)));
     case Maxwell::ShaderProgram::VertexB:
+        CalculateProperties();
         program_result = GLShader::GenerateVertexShader(setup);
         gl_type = GL_VERTEX_SHADER;
         break;
     case Maxwell::ShaderProgram::Geometry:
+        CalculateProperties();
         program_result = GLShader::GenerateGeometryShader(setup);
         gl_type = GL_GEOMETRY_SHADER;
         break;
     case Maxwell::ShaderProgram::Fragment:
+        CalculateProperties();
         program_result = GLShader::GenerateFragmentShader(setup);
         gl_type = GL_FRAGMENT_SHADER;
         break;
@@ -140,6 +145,46 @@ GLuint CachedShader::LazyGeometryProgram(OGLProgram& target_program,
     return target_program.handle;
 };
 
+static bool IsSchedInstruction(u32 offset, u32 main_offset) {
+    // sched instructions appear once every 4 instructions.
+    static constexpr std::size_t SchedPeriod = 4;
+    const std::size_t absolute_offset = offset - main_offset;
+    return (absolute_offset % SchedPeriod) == 0;
+}
+
+static std::size_t CalculateProgramSize(const GLShader::ProgramCode& program) {
+    const std::size_t start_offset = 10;
+    std::size_t offset = start_offset;
+    std::size_t size = start_offset * sizeof(u64);
+    while (offset < program.size()) {
+        const u64 inst = program[offset];
+        if (!IsSchedInstruction(offset, start_offset)) {
+            if (inst == 0 || (inst >> 52) == 0x50b) {
+                break;
+            }
+        }
+        size += 8;
+        offset++;
+    }
+    return size;
+}
+
+void CachedShader::CalculateProperties() {
+    setup.program.real_size = CalculateProgramSize(setup.program.code);
+    setup.program.real_size_b = 0;
+    setup.program.unique_identifier = Common::CityHash64(
+        reinterpret_cast<const char*>(setup.program.code.data()), setup.program.real_size);
+    if (program_type == Maxwell::ShaderProgram::VertexA) {
+        std::size_t seed = 0;
+        boost::hash_combine(seed, setup.program.unique_identifier);
+        setup.program.real_size_b = CalculateProgramSize(setup.program.code_b);
+        const u64 identifier_b = Common::CityHash64(
+            reinterpret_cast<const char*>(setup.program.code_b.data()), setup.program.real_size_b);
+        boost::hash_combine(seed, identifier_b);
+        setup.program.unique_identifier = static_cast<u64>(seed);
+    }
+}
+
 ShaderCacheOpenGL::ShaderCacheOpenGL(RasterizerOpenGL& rasterizer) : RasterizerCache{rasterizer} {}
 
 Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {

src/video_core/renderer_opengl/gl_shader_cache.h

@@ -81,6 +81,8 @@ private:
     GLuint LazyGeometryProgram(OGLProgram& target_program, const std::string& glsl_topology,
                                u32 max_vertices, const std::string& debug_name);
 
+    void CalculateProperties();
+
     VAddr addr;
     std::size_t shader_length;
     Maxwell::ShaderProgram program_type;

src/video_core/renderer_opengl/gl_shader_gen.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <fmt/format.h>
 #include "common/assert.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/renderer_opengl/gl_shader_decompiler.h"
@@ -16,6 +17,8 @@ static constexpr u32 PROGRAM_OFFSET{10};
 ProgramResult GenerateVertexShader(const ShaderSetup& setup) {
     std::string out = "#version 430 core\n";
     out += "#extension GL_ARB_separate_shader_objects : enable\n\n";
+    const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
+    out += "// Shader Unique Id: VS" + id + "\n\n";
     out += Decompiler::GetCommonDeclarations();
 
     out += R"(
@@ -84,6 +87,8 @@ void main() {
 ProgramResult GenerateGeometryShader(const ShaderSetup& setup) {
     // Version is intentionally skipped in shader generation, it's added by the lazy compilation.
     std::string out = "#extension GL_ARB_separate_shader_objects : enable\n\n";
+    const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
+    out += "// Shader Unique Id: GS" + id + "\n\n";
     out += Decompiler::GetCommonDeclarations();
     out += "bool exec_geometry();\n";
 
@@ -117,6 +122,8 @@ void main() {
 ProgramResult GenerateFragmentShader(const ShaderSetup& setup) {
     std::string out = "#version 430 core\n";
     out += "#extension GL_ARB_separate_shader_objects : enable\n\n";
+    const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
+    out += "// Shader Unique Id: FS" + id + "\n\n";
     out += Decompiler::GetCommonDeclarations();
     out += "bool exec_fragment();\n";
 

src/video_core/renderer_opengl/gl_shader_gen.h

@@ -163,6 +163,7 @@ private:
 struct ShaderEntries {
     std::vector<ConstBufferEntry> const_buffer_entries;
     std::vector<SamplerEntry> texture_samplers;
+    std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances> clip_distances;
     std::size_t shader_length;
 };
 
@@ -176,6 +177,9 @@ struct ShaderSetup {
     struct {
         ProgramCode code;
         ProgramCode code_b; // Used for dual vertex shaders
+        u64 unique_identifier;
+        std::size_t real_size;
+        std::size_t real_size_b;
     } program;
 
     /// Used in scenarios where we have a dual vertex shaders

src/video_core/renderer_opengl/gl_shader_manager.h

@@ -60,6 +60,17 @@ public:
     }
 
     void ApplyTo(OpenGLState& state) {
+        UpdatePipeline();
+        state.draw.shader_program = 0;
+        state.draw.program_pipeline = pipeline.handle;
+        state.geometry_shaders.enabled = (gs != 0);
+    }
+
+private:
+    void UpdatePipeline() {
+        // Avoid updating the pipeline when values have no changed
+        if (old_vs == vs && old_fs == fs && old_gs == gs)
+            return;
         // Workaround for AMD bug
         glUseProgramStages(pipeline.handle,
                            GL_VERTEX_SHADER_BIT | GL_GEOMETRY_SHADER_BIT | GL_FRAGMENT_SHADER_BIT,
@@ -68,14 +79,16 @@ public:
         glUseProgramStages(pipeline.handle, GL_VERTEX_SHADER_BIT, vs);
         glUseProgramStages(pipeline.handle, GL_GEOMETRY_SHADER_BIT, gs);
         glUseProgramStages(pipeline.handle, GL_FRAGMENT_SHADER_BIT, fs);
-        state.draw.shader_program = 0;
-        state.draw.program_pipeline = pipeline.handle;
-        state.geometry_shaders.enabled = (gs != 0);
+
+        // Update the old values
+        old_vs = vs;
+        old_fs = fs;
+        old_gs = gs;
     }
 
-private:
     OGLPipeline pipeline;
     GLuint vs{}, fs{}, gs{};
+    GLuint old_vs{}, old_fs{}, old_gs{};
 };
 
 } // namespace OpenGL::GLShader

src/video_core/surface.h

@@ -125,6 +125,75 @@ enum class SurfaceTarget {
     TextureCubeArray,
 };
 
+constexpr std::array<u32, MaxPixelFormat> compression_factor_table = {{
+    1, // ABGR8U
+    1, // ABGR8S
+    1, // ABGR8UI
+    1, // B5G6R5U
+    1, // A2B10G10R10U
+    1, // A1B5G5R5U
+    1, // R8U
+    1, // R8UI
+    1, // RGBA16F
+    1, // RGBA16U
+    1, // RGBA16UI
+    1, // R11FG11FB10F
+    1, // RGBA32UI
+    4, // DXT1
+    4, // DXT23
+    4, // DXT45
+    4, // DXN1
+    4, // DXN2UNORM
+    4, // DXN2SNORM
+    4, // BC7U
+    4, // BC6H_UF16
+    4, // BC6H_SF16
+    4, // ASTC_2D_4X4
+    1, // G8R8U
+    1, // G8R8S
+    1, // BGRA8
+    1, // RGBA32F
+    1, // RG32F
+    1, // R32F
+    1, // R16F
+    1, // R16U
+    1, // R16S
+    1, // R16UI
+    1, // R16I
+    1, // RG16
+    1, // RG16F
+    1, // RG16UI
+    1, // RG16I
+    1, // RG16S
+    1, // RGB32F
+    1, // RGBA8_SRGB
+    1, // RG8U
+    1, // RG8S
+    1, // RG32UI
+    1, // R32UI
+    4, // ASTC_2D_8X8
+    4, // ASTC_2D_8X5
+    4, // ASTC_2D_5X4
+    1, // BGRA8_SRGB
+    4, // DXT1_SRGB
+    4, // DXT23_SRGB
+    4, // DXT45_SRGB
+    4, // BC7U_SRGB
+    4, // ASTC_2D_4X4_SRGB
+    4, // ASTC_2D_8X8_SRGB
+    4, // ASTC_2D_8X5_SRGB
+    4, // ASTC_2D_5X4_SRGB
+    4, // ASTC_2D_5X5
+    4, // ASTC_2D_5X5_SRGB
+    4, // ASTC_2D_10X8
+    4, // ASTC_2D_10X8_SRGB
+    1, // Z32F
+    1, // Z16
+    1, // Z24S8
+    1, // S8Z24
+    1, // Z32FS8
+}};
+
 /**
  * Gets the compression factor for the specified PixelFormat. This applies to just the
  * "compressed width" and "compressed height", not the overall compression factor of a
@@ -135,304 +204,237 @@ static constexpr u32 GetCompressionFactor(PixelFormat format) {
     if (format == PixelFormat::Invalid)
         return 0;
 
-    constexpr std::array<u32, MaxPixelFormat> compression_factor_table = {{
-        1, // ABGR8U
-        1, // ABGR8S
-        1, // ABGR8UI
-        1, // B5G6R5U
-        1, // A2B10G10R10U
-        1, // A1B5G5R5U
-        1, // R8U
-        1, // R8UI
-        1, // RGBA16F
-        1, // RGBA16U
-        1, // RGBA16UI
-        1, // R11FG11FB10F
-        1, // RGBA32UI
-        4, // DXT1
-        4, // DXT23
-        4, // DXT45
-        4, // DXN1
-        4, // DXN2UNORM
-        4, // DXN2SNORM
-        4, // BC7U
-        4, // BC6H_UF16
-        4, // BC6H_SF16
-        4, // ASTC_2D_4X4
-        1, // G8R8U
-        1, // G8R8S
-        1, // BGRA8
-        1, // RGBA32F
-        1, // RG32F
-        1, // R32F
-        1, // R16F
-        1, // R16U
-        1, // R16S
-        1, // R16UI
-        1, // R16I
-        1, // RG16
-        1, // RG16F
-        1, // RG16UI
-        1, // RG16I
-        1, // RG16S
-        1, // RGB32F
-        1, // RGBA8_SRGB
-        1, // RG8U
-        1, // RG8S
-        1, // RG32UI
-        1, // R32UI
-        4, // ASTC_2D_8X8
-        4, // ASTC_2D_8X5
-        4, // ASTC_2D_5X4
-        1, // BGRA8_SRGB
-        4, // DXT1_SRGB
-        4, // DXT23_SRGB
-        4, // DXT45_SRGB
-        4, // BC7U_SRGB
-        4, // ASTC_2D_4X4_SRGB
-        4, // ASTC_2D_8X8_SRGB
-        4, // ASTC_2D_8X5_SRGB
-        4, // ASTC_2D_5X4_SRGB
-        4, // ASTC_2D_5X5
-        4, // ASTC_2D_5X5_SRGB
-        4, // ASTC_2D_10X8
-        4, // ASTC_2D_10X8_SRGB
-        1, // Z32F
-        1, // Z16
-        1, // Z24S8
-        1, // S8Z24
-        1, // Z32FS8
-    }};
-
     ASSERT(static_cast<std::size_t>(format) < compression_factor_table.size());
     return compression_factor_table[static_cast<std::size_t>(format)];
 }
 
+constexpr std::array<u32, MaxPixelFormat> block_width_table = {{
+    1,  // ABGR8U
+    1,  // ABGR8S
+    1,  // ABGR8UI
+    1,  // B5G6R5U
+    1,  // A2B10G10R10U
+    1,  // A1B5G5R5U
+    1,  // R8U
+    1,  // R8UI
+    1,  // RGBA16F
+    1,  // RGBA16U
+    1,  // RGBA16UI
+    1,  // R11FG11FB10F
+    1,  // RGBA32UI
+    4,  // DXT1
+    4,  // DXT23
+    4,  // DXT45
+    4,  // DXN1
+    4,  // DXN2UNORM
+    4,  // DXN2SNORM
+    4,  // BC7U
+    4,  // BC6H_UF16
+    4,  // BC6H_SF16
+    4,  // ASTC_2D_4X4
+    1,  // G8R8U
+    1,  // G8R8S
+    1,  // BGRA8
+    1,  // RGBA32F
+    1,  // RG32F
+    1,  // R32F
+    1,  // R16F
+    1,  // R16U
+    1,  // R16S
+    1,  // R16UI
+    1,  // R16I
+    1,  // RG16
+    1,  // RG16F
+    1,  // RG16UI
+    1,  // RG16I
+    1,  // RG16S
+    1,  // RGB32F
+    1,  // RGBA8_SRGB
+    1,  // RG8U
+    1,  // RG8S
+    1,  // RG32UI
+    1,  // R32UI
+    8,  // ASTC_2D_8X8
+    8,  // ASTC_2D_8X5
+    5,  // ASTC_2D_5X4
+    1,  // BGRA8_SRGB
+    4,  // DXT1_SRGB
+    4,  // DXT23_SRGB
+    4,  // DXT45_SRGB
+    4,  // BC7U_SRGB
+    4,  // ASTC_2D_4X4_SRGB
+    8,  // ASTC_2D_8X8_SRGB
+    8,  // ASTC_2D_8X5_SRGB
+    5,  // ASTC_2D_5X4_SRGB
+    5,  // ASTC_2D_5X5
+    5,  // ASTC_2D_5X5_SRGB
+    10, // ASTC_2D_10X8
+    10, // ASTC_2D_10X8_SRGB
+    1,  // Z32F
+    1,  // Z16
+    1,  // Z24S8
+    1,  // S8Z24
+    1,  // Z32FS8
+}};
+
 static constexpr u32 GetDefaultBlockWidth(PixelFormat format) {
     if (format == PixelFormat::Invalid)
         return 0;
-    constexpr std::array<u32, MaxPixelFormat> block_width_table = {{
-        1,  // ABGR8U
-        1,  // ABGR8S
-        1,  // ABGR8UI
-        1,  // B5G6R5U
-        1,  // A2B10G10R10U
-        1,  // A1B5G5R5U
-        1,  // R8U
-        1,  // R8UI
-        1,  // RGBA16F
-        1,  // RGBA16U
-        1,  // RGBA16UI
-        1,  // R11FG11FB10F
-        1,  // RGBA32UI
-        4,  // DXT1
-        4,  // DXT23
-        4,  // DXT45
-        4,  // DXN1
-        4,  // DXN2UNORM
-        4,  // DXN2SNORM
-        4,  // BC7U
-        4,  // BC6H_UF16
-        4,  // BC6H_SF16
-        4,  // ASTC_2D_4X4
-        1,  // G8R8U
-        1,  // G8R8S
-        1,  // BGRA8
-        1,  // RGBA32F
-        1,  // RG32F
-        1,  // R32F
-        1,  // R16F
-        1,  // R16U
-        1,  // R16S
-        1,  // R16UI
-        1,  // R16I
-        1,  // RG16
-        1,  // RG16F
-        1,  // RG16UI
-        1,  // RG16I
-        1,  // RG16S
-        1,  // RGB32F
-        1,  // RGBA8_SRGB
-        1,  // RG8U
-        1,  // RG8S
-        1,  // RG32UI
-        1,  // R32UI
-        8,  // ASTC_2D_8X8
-        8,  // ASTC_2D_8X5
-        5,  // ASTC_2D_5X4
-        1,  // BGRA8_SRGB
-        4,  // DXT1_SRGB
-        4,  // DXT23_SRGB
-        4,  // DXT45_SRGB
-        4,  // BC7U_SRGB
-        4,  // ASTC_2D_4X4_SRGB
-        8,  // ASTC_2D_8X8_SRGB
-        8,  // ASTC_2D_8X5_SRGB
-        5,  // ASTC_2D_5X4_SRGB
-        5,  // ASTC_2D_5X5
-        5,  // ASTC_2D_5X5_SRGB
-        10, // ASTC_2D_10X8
-        10, // ASTC_2D_10X8_SRGB
-        1,  // Z32F
-        1,  // Z16
-        1,  // Z24S8
-        1,  // S8Z24
-        1,  // Z32FS8
-    }};
+
     ASSERT(static_cast<std::size_t>(format) < block_width_table.size());
     return block_width_table[static_cast<std::size_t>(format)];
 }
 
+constexpr std::array<u32, MaxPixelFormat> block_height_table = {{
+    1, // ABGR8U
+    1, // ABGR8S
+    1, // ABGR8UI
+    1, // B5G6R5U
+    1, // A2B10G10R10U
+    1, // A1B5G5R5U
+    1, // R8U
+    1, // R8UI
+    1, // RGBA16F
+    1, // RGBA16U
+    1, // RGBA16UI
+    1, // R11FG11FB10F
+    1, // RGBA32UI
+    4, // DXT1
+    4, // DXT23
+    4, // DXT45
+    4, // DXN1
+    4, // DXN2UNORM
+    4, // DXN2SNORM
+    4, // BC7U
+    4, // BC6H_UF16
+    4, // BC6H_SF16
+    4, // ASTC_2D_4X4
+    1, // G8R8U
+    1, // G8R8S
+    1, // BGRA8
+    1, // RGBA32F
+    1, // RG32F
+    1, // R32F
+    1, // R16F
+    1, // R16U
+    1, // R16S
+    1, // R16UI
+    1, // R16I
+    1, // RG16
+    1, // RG16F
+    1, // RG16UI
+    1, // RG16I
+    1, // RG16S
+    1, // RGB32F
+    1, // RGBA8_SRGB
+    1, // RG8U
+    1, // RG8S
+    1, // RG32UI
+    1, // R32UI
+    8, // ASTC_2D_8X8
+    5, // ASTC_2D_8X5
+    4, // ASTC_2D_5X4
+    1, // BGRA8_SRGB
+    4, // DXT1_SRGB
+    4, // DXT23_SRGB
+    4, // DXT45_SRGB
+    4, // BC7U_SRGB
+    4, // ASTC_2D_4X4_SRGB
+    8, // ASTC_2D_8X8_SRGB
+    5, // ASTC_2D_8X5_SRGB
+    4, // ASTC_2D_5X4_SRGB
+    5, // ASTC_2D_5X5
+    5, // ASTC_2D_5X5_SRGB
+    8, // ASTC_2D_10X8
+    8, // ASTC_2D_10X8_SRGB
+    1, // Z32F
+    1, // Z16
+    1, // Z24S8
+    1, // S8Z24
+    1, // Z32FS8
+}};
+
 static constexpr u32 GetDefaultBlockHeight(PixelFormat format) {
     if (format == PixelFormat::Invalid)
         return 0;
 
-    constexpr std::array<u32, MaxPixelFormat> block_height_table = {{
-        1, // ABGR8U
-        1, // ABGR8S
-        1, // ABGR8UI
-        1, // B5G6R5U
-        1, // A2B10G10R10U
-        1, // A1B5G5R5U
-        1, // R8U
-        1, // R8UI
-        1, // RGBA16F
-        1, // RGBA16U
-        1, // RGBA16UI
-        1, // R11FG11FB10F
-        1, // RGBA32UI
-        4, // DXT1
-        4, // DXT23
-        4, // DXT45
-        4, // DXN1
-        4, // DXN2UNORM
-        4, // DXN2SNORM
-        4, // BC7U
-        4, // BC6H_UF16
-        4, // BC6H_SF16
-        4, // ASTC_2D_4X4
-        1, // G8R8U
-        1, // G8R8S
-        1, // BGRA8
-        1, // RGBA32F
-        1, // RG32F
-        1, // R32F
-        1, // R16F
-        1, // R16U
-        1, // R16S
-        1, // R16UI
-        1, // R16I
-        1, // RG16
-        1, // RG16F
-        1, // RG16UI
-        1, // RG16I
-        1, // RG16S
-        1, // RGB32F
-        1, // RGBA8_SRGB
-        1, // RG8U
-        1, // RG8S
-        1, // RG32UI
-        1, // R32UI
-        8, // ASTC_2D_8X8
-        5, // ASTC_2D_8X5
-        4, // ASTC_2D_5X4
-        1, // BGRA8_SRGB
-        4, // DXT1_SRGB
-        4, // DXT23_SRGB
-        4, // DXT45_SRGB
-        4, // BC7U_SRGB
-        4, // ASTC_2D_4X4_SRGB
-        8, // ASTC_2D_8X8_SRGB
-        5, // ASTC_2D_8X5_SRGB
-        4, // ASTC_2D_5X4_SRGB
-        5, // ASTC_2D_5X5
-        5, // ASTC_2D_5X5_SRGB
-        8, // ASTC_2D_10X8
-        8, // ASTC_2D_10X8_SRGB
-        1, // Z32F
-        1, // Z16
-        1, // Z24S8
-        1, // S8Z24
-        1, // Z32FS8
-    }};
-
     ASSERT(static_cast<std::size_t>(format) < block_height_table.size());
     return block_height_table[static_cast<std::size_t>(format)];
 }
 
+constexpr std::array<u32, MaxPixelFormat> bpp_table = {{
+    32,  // ABGR8U
+    32,  // ABGR8S
+    32,  // ABGR8UI
+    16,  // B5G6R5U
+    32,  // A2B10G10R10U
+    16,  // A1B5G5R5U
+    8,   // R8U
+    8,   // R8UI
+    64,  // RGBA16F
+    64,  // RGBA16U
+    64,  // RGBA16UI
+    32,  // R11FG11FB10F
+    128, // RGBA32UI
+    64,  // DXT1
+    128, // DXT23
+    128, // DXT45
+    64,  // DXN1
+    128, // DXN2UNORM
+    128, // DXN2SNORM
+    128, // BC7U
+    128, // BC6H_UF16
+    128, // BC6H_SF16
+    128, // ASTC_2D_4X4
+    16,  // G8R8U
+    16,  // G8R8S
+    32,  // BGRA8
+    128, // RGBA32F
+    64,  // RG32F
+    32,  // R32F
+    16,  // R16F
+    16,  // R16U
+    16,  // R16S
+    16,  // R16UI
+    16,  // R16I
+    32,  // RG16
+    32,  // RG16F
+    32,  // RG16UI
+    32,  // RG16I
+    32,  // RG16S
+    96,  // RGB32F
+    32,  // RGBA8_SRGB
+    16,  // RG8U
+    16,  // RG8S
+    64,  // RG32UI
+    32,  // R32UI
+    128, // ASTC_2D_8X8
+    128, // ASTC_2D_8X5
+    128, // ASTC_2D_5X4
+    32,  // BGRA8_SRGB
+    64,  // DXT1_SRGB
+    128, // DXT23_SRGB
+    128, // DXT45_SRGB
+    128, // BC7U
+    128, // ASTC_2D_4X4_SRGB
+    128, // ASTC_2D_8X8_SRGB
+    128, // ASTC_2D_8X5_SRGB
+    128, // ASTC_2D_5X4_SRGB
+    128, // ASTC_2D_5X5
+    128, // ASTC_2D_5X5_SRGB
+    128, // ASTC_2D_10X8
+    128, // ASTC_2D_10X8_SRGB
+    32,  // Z32F
+    16,  // Z16
+    32,  // Z24S8
+    32,  // S8Z24
+    64,  // Z32FS8
+}};
+
 static constexpr u32 GetFormatBpp(PixelFormat format) {
     if (format == PixelFormat::Invalid)
         return 0;
 
-    constexpr std::array<u32, MaxPixelFormat> bpp_table = {{
-        32,  // ABGR8U
-        32,  // ABGR8S
-        32,  // ABGR8UI
-        16,  // B5G6R5U
-        32,  // A2B10G10R10U
-        16,  // A1B5G5R5U
-        8,   // R8U
-        8,   // R8UI
-        64,  // RGBA16F
-        64,  // RGBA16U
-        64,  // RGBA16UI
-        32,  // R11FG11FB10F
-        128, // RGBA32UI
-        64,  // DXT1
-        128, // DXT23
-        128, // DXT45
-        64,  // DXN1
-        128, // DXN2UNORM
-        128, // DXN2SNORM
-        128, // BC7U
-        128, // BC6H_UF16
-        128, // BC6H_SF16
-        128, // ASTC_2D_4X4
-        16,  // G8R8U
-        16,  // G8R8S
-        32,  // BGRA8
-        128, // RGBA32F
-        64,  // RG32F
-        32,  // R32F
-        16,  // R16F
-        16,  // R16U
-        16,  // R16S
-        16,  // R16UI
-        16,  // R16I
-        32,  // RG16
-        32,  // RG16F
-        32,  // RG16UI
-        32,  // RG16I
-        32,  // RG16S
-        96,  // RGB32F
-        32,  // RGBA8_SRGB
-        16,  // RG8U
-        16,  // RG8S
-        64,  // RG32UI
-        32,  // R32UI
-        128, // ASTC_2D_8X8
-        128, // ASTC_2D_8X5
-        128, // ASTC_2D_5X4
-        32,  // BGRA8_SRGB
-        64,  // DXT1_SRGB
-        128, // DXT23_SRGB
-        128, // DXT45_SRGB
-        128, // BC7U
-        128, // ASTC_2D_4X4_SRGB
-        128, // ASTC_2D_8X8_SRGB
-        128, // ASTC_2D_8X5_SRGB
-        128, // ASTC_2D_5X4_SRGB
-        128, // ASTC_2D_5X5
-        128, // ASTC_2D_5X5_SRGB
-        128, // ASTC_2D_10X8
-        128, // ASTC_2D_10X8_SRGB
-        32,  // Z32F
-        16,  // Z16
-        32,  // Z24S8
-        32,  // S8Z24
-        64,  // Z32FS8
-    }};
-
     ASSERT(static_cast<std::size_t>(format) < bpp_table.size());
     return bpp_table[static_cast<std::size_t>(format)];
 }

src/yuzu/configuration/config.cpp

@@ -206,60 +206,57 @@ const std::array<int, Settings::NativeKeyboard::NumKeyboardMods> Config::default
 
 void Config::ReadPlayerValues() {
     for (std::size_t p = 0; p < Settings::values.players.size(); ++p) {
-        Settings::values.players[p].connected =
-            qt_config->value(QString("player_%1_connected").arg(p), false).toBool();
+        auto& player = Settings::values.players[p];
 
-        Settings::values.players[p].type = static_cast<Settings::ControllerType>(
+        player.connected = qt_config->value(QString("player_%1_connected").arg(p), false).toBool();
+
+        player.type = static_cast<Settings::ControllerType>(
             qt_config
                 ->value(QString("player_%1_type").arg(p),
                         static_cast<u8>(Settings::ControllerType::DualJoycon))
                 .toUInt());
 
-        Settings::values.players[p].body_color_left =
-            qt_config
-                ->value(QString("player_%1_body_color_left").arg(p),
-                        Settings::JOYCON_BODY_NEON_BLUE)
-                .toUInt();
-        Settings::values.players[p].body_color_right =
-            qt_config
-                ->value(QString("player_%1_body_color_right").arg(p),
-                        Settings::JOYCON_BODY_NEON_RED)
-                .toUInt();
-        Settings::values.players[p].button_color_left =
-            qt_config
-                ->value(QString("player_%1_button_color_left").arg(p),
-                        Settings::JOYCON_BUTTONS_NEON_BLUE)
-                .toUInt();
-        Settings::values.players[p].button_color_right =
-            qt_config
-                ->value(QString("player_%1_button_color_right").arg(p),
-                        Settings::JOYCON_BUTTONS_NEON_RED)
-                .toUInt();
+        player.body_color_left = qt_config
+                                     ->value(QString("player_%1_body_color_left").arg(p),
+                                             Settings::JOYCON_BODY_NEON_BLUE)
+                                     .toUInt();
+        player.body_color_right = qt_config
+                                      ->value(QString("player_%1_body_color_right").arg(p),
+                                              Settings::JOYCON_BODY_NEON_RED)
+                                      .toUInt();
+        player.button_color_left = qt_config
+                                       ->value(QString("player_%1_button_color_left").arg(p),
+                                               Settings::JOYCON_BUTTONS_NEON_BLUE)
+                                       .toUInt();
+        player.button_color_right = qt_config
+                                        ->value(QString("player_%1_button_color_right").arg(p),
+                                                Settings::JOYCON_BUTTONS_NEON_RED)
+                                        .toUInt();
 
         for (int i = 0; i < Settings::NativeButton::NumButtons; ++i) {
             std::string default_param = InputCommon::GenerateKeyboardParam(default_buttons[i]);
-            Settings::values.players[p].buttons[i] =
+            player.buttons[i] =
                 qt_config
                     ->value(QString("player_%1_").arg(p) + Settings::NativeButton::mapping[i],
                             QString::fromStdString(default_param))
                     .toString()
                     .toStdString();
-            if (Settings::values.players[p].buttons[i].empty())
-                Settings::values.players[p].buttons[i] = default_param;
+            if (player.buttons[i].empty())
+                player.buttons[i] = default_param;
         }
 
         for (int i = 0; i < Settings::NativeAnalog::NumAnalogs; ++i) {
             std::string default_param = InputCommon::GenerateAnalogParamFromKeys(
                 default_analogs[i][0], default_analogs[i][1], default_analogs[i][2],
                 default_analogs[i][3], default_analogs[i][4], 0.5f);
-            Settings::values.players[p].analogs[i] =
+            player.analogs[i] =
                 qt_config
                     ->value(QString("player_%1_").arg(p) + Settings::NativeAnalog::mapping[i],
                             QString::fromStdString(default_param))
                     .toString()
                     .toStdString();
-            if (Settings::values.players[p].analogs[i].empty())
-                Settings::values.players[p].analogs[i] = default_param;
+            if (player.analogs[i].empty())
+                player.analogs[i] = default_param;
         }
     }
 
@@ -511,30 +508,28 @@ void Config::ReadValues() {
 }
 
 void Config::SavePlayerValues() {
-    for (int p = 0; p < Settings::values.players.size(); ++p) {
-        qt_config->setValue(QString("player_%1_connected").arg(p),
-                            Settings::values.players[p].connected);
-        qt_config->setValue(QString("player_%1_type").arg(p),
-                            static_cast<u8>(Settings::values.players[p].type));
+    for (std::size_t p = 0; p < Settings::values.players.size(); ++p) {
+        const auto& player = Settings::values.players[p];
 
-        qt_config->setValue(QString("player_%1_body_color_left").arg(p),
-                            Settings::values.players[p].body_color_left);
-        qt_config->setValue(QString("player_%1_body_color_right").arg(p),
-                            Settings::values.players[p].body_color_right);
+        qt_config->setValue(QString("player_%1_connected").arg(p), player.connected);
+        qt_config->setValue(QString("player_%1_type").arg(p), static_cast<u8>(player.type));
+
+        qt_config->setValue(QString("player_%1_body_color_left").arg(p), player.body_color_left);
+        qt_config->setValue(QString("player_%1_body_color_right").arg(p), player.body_color_right);
         qt_config->setValue(QString("player_%1_button_color_left").arg(p),
-                            Settings::values.players[p].button_color_left);
+                            player.button_color_left);
         qt_config->setValue(QString("player_%1_button_color_right").arg(p),
-                            Settings::values.players[p].button_color_right);
+                            player.button_color_right);
 
         for (int i = 0; i < Settings::NativeButton::NumButtons; ++i) {
             qt_config->setValue(QString("player_%1_").arg(p) +
                                     QString::fromStdString(Settings::NativeButton::mapping[i]),
-                                QString::fromStdString(Settings::values.players[p].buttons[i]));
+                                QString::fromStdString(player.buttons[i]));
         }
         for (int i = 0; i < Settings::NativeAnalog::NumAnalogs; ++i) {
             qt_config->setValue(QString("player_%1_").arg(p) +
                                     QString::fromStdString(Settings::NativeAnalog::mapping[i]),
-                                QString::fromStdString(Settings::values.players[p].analogs[i]));
+                                QString::fromStdString(player.analogs[i]));
         }
     }
 }

src/yuzu/configuration/configure_audio.h

@@ -16,15 +16,14 @@ class ConfigureAudio : public QWidget {
 
 public:
     explicit ConfigureAudio(QWidget* parent = nullptr);
-    ~ConfigureAudio();
+    ~ConfigureAudio() override;
 
     void applyConfiguration();
     void retranslateUi();
 
-public slots:
+private:
     void updateAudioDevices(int sink_index);
 
-private:
     void setConfiguration();
     void setOutputSinkFromSinkID();
     void setAudioDeviceFromDeviceID();

src/yuzu/configuration/configure_debug.h

@@ -16,13 +16,12 @@ class ConfigureDebug : public QWidget {
 
 public:
     explicit ConfigureDebug(QWidget* parent = nullptr);
-    ~ConfigureDebug();
+    ~ConfigureDebug() override;
 
     void applyConfiguration();
 
 private:
     void setConfiguration();
 
-private:
     std::unique_ptr<Ui::ConfigureDebug> ui;
 };

src/yuzu/configuration/configure_dialog.h

@@ -18,13 +18,12 @@ class ConfigureDialog : public QDialog {
 
 public:
     explicit ConfigureDialog(QWidget* parent, const HotkeyRegistry& registry);
-    ~ConfigureDialog();
+    ~ConfigureDialog() override;
 
     void applyConfiguration();
 
 private:
     void setConfiguration();
 
-private:
     std::unique_ptr<Ui::ConfigureDialog> ui;
 };

src/yuzu/configuration/configure_gamelist.h

@@ -16,7 +16,7 @@ class ConfigureGameList : public QWidget {
 
 public:
     explicit ConfigureGameList(QWidget* parent = nullptr);
-    ~ConfigureGameList();
+    ~ConfigureGameList() override;
 
     void applyConfiguration();
 

src/yuzu/configuration/configure_general.h

@@ -18,7 +18,7 @@ class ConfigureGeneral : public QWidget {
 
 public:
     explicit ConfigureGeneral(QWidget* parent = nullptr);
-    ~ConfigureGeneral();
+    ~ConfigureGeneral() override;
 
     void PopulateHotkeyList(const HotkeyRegistry& registry);
     void applyConfiguration();

src/yuzu/configuration/configure_graphics.h

@@ -16,14 +16,13 @@ class ConfigureGraphics : public QWidget {
 
 public:
     explicit ConfigureGraphics(QWidget* parent = nullptr);
-    ~ConfigureGraphics();
+    ~ConfigureGraphics() override;
 
     void applyConfiguration();
 
 private:
     void setConfiguration();
 
-private:
     std::unique_ptr<Ui::ConfigureGraphics> ui;
     QColor bg_color;
 };

src/yuzu/configuration/configure_input.cpp

@@ -88,6 +88,8 @@ ConfigureInput::ConfigureInput(QWidget* parent)
             [this] { CallConfigureDialog<ConfigureTouchscreenAdvanced>(*this); });
 }
 
+ConfigureInput::~ConfigureInput() = default;
+
 void ConfigureInput::OnDockedModeChanged(bool last_state, bool new_state) {
     if (ui->use_docked_mode->isChecked() && ui->handheld_connected->isChecked()) {
         ui->handheld_connected->setChecked(false);

src/yuzu/configuration/configure_input.h

@@ -25,6 +25,7 @@ class ConfigureInput : public QWidget {
 
 public:
     explicit ConfigureInput(QWidget* parent = nullptr);
+    ~ConfigureInput() override;
 
     /// Save all button configurations to settings file
     void applyConfiguration();

src/yuzu/configuration/configure_web.h

@@ -17,18 +17,17 @@ class ConfigureWeb : public QWidget {
 
 public:
     explicit ConfigureWeb(QWidget* parent = nullptr);
-    ~ConfigureWeb();
+    ~ConfigureWeb() override;
 
     void applyConfiguration();
     void retranslateUi();
 
-public slots:
+private:
     void RefreshTelemetryID();
     void OnLoginChanged();
     void VerifyLogin();
     void OnLoginVerified();
 
-private:
     void setConfiguration();
 
     bool user_verified = true;

src/yuzu/debugger/wait_tree.cpp

@@ -7,10 +7,10 @@
 
 #include "common/assert.h"
 #include "core/core.h"
-#include "core/hle/kernel/event.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/mutex.h"
 #include "core/hle/kernel/process.h"
+#include "core/hle/kernel/readable_event.h"
 #include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/kernel/timer.h"
@@ -153,8 +153,8 @@ QString WaitTreeWaitObject::GetText() const {
 
 std::unique_ptr<WaitTreeWaitObject> WaitTreeWaitObject::make(const Kernel::WaitObject& object) {
     switch (object.GetHandleType()) {
-    case Kernel::HandleType::Event:
-        return std::make_unique<WaitTreeEvent>(static_cast<const Kernel::Event&>(object));
+    case Kernel::HandleType::ReadableEvent:
+        return std::make_unique<WaitTreeEvent>(static_cast<const Kernel::ReadableEvent&>(object));
     case Kernel::HandleType::Timer:
         return std::make_unique<WaitTreeTimer>(static_cast<const Kernel::Timer&>(object));
     case Kernel::HandleType::Thread:
@@ -332,7 +332,7 @@ std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeThread::GetChildren() const {
     return list;
 }
 
-WaitTreeEvent::WaitTreeEvent(const Kernel::Event& object) : WaitTreeWaitObject(object) {}
+WaitTreeEvent::WaitTreeEvent(const Kernel::ReadableEvent& object) : WaitTreeWaitObject(object) {}
 WaitTreeEvent::~WaitTreeEvent() = default;
 
 std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeEvent::GetChildren() const {
@@ -340,7 +340,8 @@ std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeEvent::GetChildren() const {
 
     list.push_back(std::make_unique<WaitTreeText>(
         tr("reset type = %1")
-            .arg(GetResetTypeQString(static_cast<const Kernel::Event&>(object).GetResetType()))));
+            .arg(GetResetTypeQString(
+                static_cast<const Kernel::ReadableEvent&>(object).GetResetType()))));
     return list;
 }
 

src/yuzu/debugger/wait_tree.h

@@ -17,8 +17,8 @@
 class EmuThread;
 
 namespace Kernel {
+class ReadableEvent;
 class WaitObject;
-class Event;
 class Thread;
 class Timer;
 } // namespace Kernel
@@ -144,7 +144,7 @@ public:
 class WaitTreeEvent : public WaitTreeWaitObject {
     Q_OBJECT
 public:
-    explicit WaitTreeEvent(const Kernel::Event& object);
+    explicit WaitTreeEvent(const Kernel::ReadableEvent& object);
     ~WaitTreeEvent() override;
 
     std::vector<std::unique_ptr<WaitTreeItem>> GetChildren() const override;

src/yuzu/game_list_worker.cpp

@@ -86,6 +86,35 @@ QString FormatPatchNameVersions(const FileSys::PatchManager& patch_manager,
     out.chop(1);
     return out;
 }
+
+QList<QStandardItem*> MakeGameListEntry(const std::string& path, const std::string& name,
+                                        const std::vector<u8>& icon, Loader::AppLoader& loader,
+                                        u64 program_id, const CompatibilityList& compatibility_list,
+                                        const FileSys::PatchManager& patch) {
+    const auto it = FindMatchingCompatibilityEntry(compatibility_list, program_id);
+
+    // The game list uses this as compatibility number for untested games
+    QString compatibility{"99"};
+    if (it != compatibility_list.end()) {
+        compatibility = it->second.first;
+    }
+
+    QList<QStandardItem*> list{
+        new GameListItemPath(
+            FormatGameName(path), icon, QString::fromStdString(name),
+            QString::fromStdString(Loader::GetFileTypeString(loader.GetFileType())), program_id),
+        new GameListItemCompat(compatibility),
+        new GameListItem(QString::fromStdString(Loader::GetFileTypeString(loader.GetFileType()))),
+        new GameListItemSize(FileUtil::GetSize(path)),
+    };
+
+    if (UISettings::values.show_add_ons) {
+        list.insert(
+            2, new GameListItem(FormatPatchNameVersions(patch, loader, loader.IsRomFSUpdatable())));
+    }
+
+    return list;
+}
 } // Anonymous namespace
 
 GameListWorker::GameListWorker(FileSys::VirtualFilesystem vfs, QString dir_path, bool deep_scan,
@@ -97,11 +126,11 @@ GameListWorker::~GameListWorker() = default;
 
 void GameListWorker::AddInstalledTitlesToGameList() {
     const auto cache = Service::FileSystem::GetUnionContents();
-    const auto installed_games = cache->ListEntriesFilter(FileSys::TitleType::Application,
-                                                          FileSys::ContentRecordType::Program);
+    const auto installed_games = cache.ListEntriesFilter(FileSys::TitleType::Application,
+                                                         FileSys::ContentRecordType::Program);
 
     for (const auto& game : installed_games) {
-        const auto file = cache->GetEntryUnparsed(game);
+        const auto file = cache.GetEntryUnparsed(game);
         std::unique_ptr<Loader::AppLoader> loader = Loader::GetLoader(file);
         if (!loader)
             continue;
@@ -112,40 +141,19 @@ void GameListWorker::AddInstalledTitlesToGameList() {
         loader->ReadProgramId(program_id);
 
         const FileSys::PatchManager patch{program_id};
-        const auto control = cache->GetEntry(game.title_id, FileSys::ContentRecordType::Control);
+        const auto control = cache.GetEntry(game.title_id, FileSys::ContentRecordType::Control);
         if (control != nullptr)
             GetMetadataFromControlNCA(patch, *control, icon, name);
 
-        auto it = FindMatchingCompatibilityEntry(compatibility_list, program_id);
-
-        // The game list uses this as compatibility number for untested games
-        QString compatibility("99");
-        if (it != compatibility_list.end())
-            compatibility = it->second.first;
-
-        QList<QStandardItem*> list{
-            new GameListItemPath(
-                FormatGameName(file->GetFullPath()), icon, QString::fromStdString(name),
-                QString::fromStdString(Loader::GetFileTypeString(loader->GetFileType())),
-                program_id),
-            new GameListItemCompat(compatibility),
-            new GameListItem(
-                QString::fromStdString(Loader::GetFileTypeString(loader->GetFileType()))),
-            new GameListItemSize(file->GetSize()),
-        };
-
-        if (UISettings::values.show_add_ons) {
-            list.insert(2, new GameListItem(FormatPatchNameVersions(patch, *loader)));
-        }
-
-        emit EntryReady(list);
+        emit EntryReady(MakeGameListEntry(file->GetFullPath(), name, icon, *loader, program_id,
+                                          compatibility_list, patch));
     }
 
-    const auto control_data = cache->ListEntriesFilter(FileSys::TitleType::Application,
-                                                       FileSys::ContentRecordType::Control);
+    const auto control_data = cache.ListEntriesFilter(FileSys::TitleType::Application,
+                                                      FileSys::ContentRecordType::Control);
 
     for (const auto& entry : control_data) {
-        auto nca = cache->GetEntry(entry);
+        auto nca = cache.GetEntry(entry);
         if (nca != nullptr) {
             nca_control_map.insert_or_assign(entry.title_id, std::move(nca));
         }
@@ -155,14 +163,14 @@ void GameListWorker::AddInstalledTitlesToGameList() {
 void GameListWorker::FillControlMap(const std::string& dir_path) {
     const auto nca_control_callback = [this](u64* num_entries_out, const std::string& directory,
                                              const std::string& virtual_name) -> bool {
-        std::string physical_name = directory + DIR_SEP + virtual_name;
+        if (stop_processing) {
+            // Breaks the callback loop
+            return false;
+        }
 
-        if (stop_processing)
-            return false; // Breaks the callback loop.
-
-        bool is_dir = FileUtil::IsDirectory(physical_name);
-        QFileInfo file_info(physical_name.c_str());
-        if (!is_dir && file_info.suffix().toStdString() == "nca") {
+        const std::string physical_name = directory + DIR_SEP + virtual_name;
+        const QFileInfo file_info(QString::fromStdString(physical_name));
+        if (!file_info.isDir() && file_info.suffix() == QStringLiteral("nca")) {
             auto nca =
                 std::make_unique<FileSys::NCA>(vfs->OpenFile(physical_name, FileSys::Mode::Read));
             if (nca->GetType() == FileSys::NCAContentType::Control) {
@@ -179,12 +187,13 @@ void GameListWorker::FillControlMap(const std::string& dir_path) {
 void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsigned int recursion) {
     const auto callback = [this, recursion](u64* num_entries_out, const std::string& directory,
                                             const std::string& virtual_name) -> bool {
-        std::string physical_name = directory + DIR_SEP + virtual_name;
+        if (stop_processing) {
+            // Breaks the callback loop.
+            return false;
+        }
 
-        if (stop_processing)
-            return false; // Breaks the callback loop.
-
-        bool is_dir = FileUtil::IsDirectory(physical_name);
+        const std::string physical_name = directory + DIR_SEP + virtual_name;
+        const bool is_dir = FileUtil::IsDirectory(physical_name);
         if (!is_dir &&
             (HasSupportedFileExtension(physical_name) || IsExtractedNCAMain(physical_name))) {
             std::unique_ptr<Loader::AppLoader> loader =
@@ -214,30 +223,8 @@ void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsign
                 }
             }
 
-            auto it = FindMatchingCompatibilityEntry(compatibility_list, program_id);
-
-            // The game list uses this as compatibility number for untested games
-            QString compatibility("99");
-            if (it != compatibility_list.end())
-                compatibility = it->second.first;
-
-            QList<QStandardItem*> list{
-                new GameListItemPath(
-                    FormatGameName(physical_name), icon, QString::fromStdString(name),
-                    QString::fromStdString(Loader::GetFileTypeString(loader->GetFileType())),
-                    program_id),
-                new GameListItemCompat(compatibility),
-                new GameListItem(
-                    QString::fromStdString(Loader::GetFileTypeString(loader->GetFileType()))),
-                new GameListItemSize(FileUtil::GetSize(physical_name)),
-            };
-
-            if (UISettings::values.show_add_ons) {
-                list.insert(2, new GameListItem(FormatPatchNameVersions(
-                                   patch, *loader, loader->IsRomFSUpdatable())));
-            }
-
-            emit EntryReady(std::move(list));
+            emit EntryReady(MakeGameListEntry(physical_name, name, icon, *loader, program_id,
+                                              compatibility_list, patch));
         } else if (is_dir && recursion > 0) {
             watch_list.append(QString::fromStdString(physical_name));
             AddFstEntriesToGameList(physical_name, recursion - 1);

src/yuzu/main.cpp

@@ -518,6 +518,8 @@ void GMainWindow::OnDisplayTitleBars(bool show) {
 QStringList GMainWindow::GetUnsupportedGLExtensions() {
     QStringList unsupported_ext;
 
+    if (!GLAD_GL_ARB_direct_state_access)
+        unsupported_ext.append("ARB_direct_state_access");
     if (!GLAD_GL_ARB_vertex_type_10f_11f_11f_rev)
         unsupported_ext.append("ARB_vertex_type_10f_11f_11f_rev");
     if (!GLAD_GL_ARB_texture_mirror_clamp_to_edge)
@@ -905,7 +907,7 @@ void GMainWindow::OnGameListDumpRomFS(u64 program_id, const std::string& game_pa
     }
 
     const auto installed = Service::FileSystem::GetUnionContents();
-    auto romfs_title_id = SelectRomFSDumpTarget(*installed, program_id);
+    const auto romfs_title_id = SelectRomFSDumpTarget(installed, program_id);
 
     if (!romfs_title_id) {
         failed();
@@ -920,7 +922,7 @@ void GMainWindow::OnGameListDumpRomFS(u64 program_id, const std::string& game_pa
     if (*romfs_title_id == program_id) {
         romfs = file;
     } else {
-        romfs = installed->GetEntry(*romfs_title_id, FileSys::ContentRecordType::Data)->GetRomFS();
+        romfs = installed.GetEntry(*romfs_title_id, FileSys::ContentRecordType::Data)->GetRomFS();
     }
 
     const auto extracted = FileSys::ExtractRomFS(romfs, FileSys::RomFSExtractionType::Full);

src/yuzu_cmd/emu_window/emu_window_sdl2.cpp

@@ -111,6 +111,8 @@ void EmuWindow_SDL2::Fullscreen() {
 bool EmuWindow_SDL2::SupportsRequiredGLExtensions() {
     std::vector<std::string> unsupported_ext;
 
+    if (!GLAD_GL_ARB_direct_state_access)
+        unsupported_ext.push_back("ARB_direct_state_access");
     if (!GLAD_GL_ARB_vertex_type_10f_11f_11f_rev)
         unsupported_ext.push_back("ARB_vertex_type_10f_11f_11f_rev");
     if (!GLAD_GL_ARB_texture_mirror_clamp_to_edge)