21 files changed, 281 insertions, 109 deletions

diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 850ce8006..5639021d3 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -91,6 +91,8 @@ add_library(common STATIC
     logging/log.h
     logging/text_formatter.cpp
     logging/text_formatter.h
+    lz4_compression.cpp
+    lz4_compression.h
     math_util.h
     memory_hook.cpp
     memory_hook.h
@@ -136,3 +138,4 @@ endif()
 create_target_directory_groups(common)
 
 target_link_libraries(common PUBLIC Boost::boost fmt microprofile)
+target_link_libraries(common PRIVATE lz4_static)
diff --git a/src/common/lz4_compression.cpp b/src/common/lz4_compression.cpp
new file mode 100644
index 000000000..dc9b4a916
--- /dev/null
+++ b/src/common/lz4_compression.cpp
@@ -0,0 +1,78 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <algorithm>
+#include <lz4hc.h>
+
+#include "common/assert.h"
+#include "common/lz4_compression.h"
+
+namespace Common::Compression {
+
+std::vector<u8> CompressDataLZ4(const u8* source, std::size_t source_size) {
+    ASSERT_MSG(source_size <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size");
+
+    const auto source_size_int = static_cast<int>(source_size);
+    const int max_compressed_size = LZ4_compressBound(source_size_int);
+    std::vector<u8> compressed(max_compressed_size);
+
+    const int compressed_size = LZ4_compress_default(reinterpret_cast<const char*>(source),
+                                                     reinterpret_cast<char*>(compressed.data()),
+                                                     source_size_int, max_compressed_size);
+
+    if (compressed_size <= 0) {
+        // Compression failed
+        return {};
+    }
+
+    compressed.resize(compressed_size);
+
+    return compressed;
+}
+
+std::vector<u8> CompressDataLZ4HC(const u8* source, std::size_t source_size,
+                                  s32 compression_level) {
+    ASSERT_MSG(source_size <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size");
+
+    compression_level = std::clamp(compression_level, LZ4HC_CLEVEL_MIN, LZ4HC_CLEVEL_MAX);
+
+    const auto source_size_int = static_cast<int>(source_size);
+    const int max_compressed_size = LZ4_compressBound(source_size_int);
+    std::vector<u8> compressed(max_compressed_size);
+
+    const int compressed_size = LZ4_compress_HC(
+        reinterpret_cast<const char*>(source), reinterpret_cast<char*>(compressed.data()),
+        source_size_int, max_compressed_size, compression_level);
+
+    if (compressed_size <= 0) {
+        // Compression failed
+        return {};
+    }
+
+    compressed.resize(compressed_size);
+
+    return compressed;
+}
+
+std::vector<u8> CompressDataLZ4HCMax(const u8* source, std::size_t source_size) {
+    return CompressDataLZ4HC(source, source_size, LZ4HC_CLEVEL_MAX);
+}
+
+std::vector<u8> DecompressDataLZ4(const std::vector<u8>& compressed,
+                                  std::size_t uncompressed_size) {
+    std::vector<u8> uncompressed(uncompressed_size);
+    const int size_check = LZ4_decompress_safe(reinterpret_cast<const char*>(compressed.data()),
+                                               reinterpret_cast<char*>(uncompressed.data()),
+                                               static_cast<int>(compressed.size()),
+                                               static_cast<int>(uncompressed.size()));
+    if (static_cast<int>(uncompressed_size) != size_check) {
+        // Decompression failed
+        return {};
+    }
+    return uncompressed;
+}
+
+} // namespace Common::Compression
diff --git a/src/common/lz4_compression.h b/src/common/lz4_compression.h
new file mode 100644
index 000000000..fe2231a6c
--- /dev/null
+++ b/src/common/lz4_compression.h
@@ -0,0 +1,55 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <vector>
+
+#include "common/common_types.h"
+
+namespace Common::Compression {
+
+/**
+ * Compresses a source memory region with LZ4 and returns the compressed data in a vector.
+ *
+ * @param source the uncompressed source memory region.
+ * @param source_size the size in bytes of the uncompressed source memory region.
+ *
+ * @return the compressed data.
+ */
+std::vector<u8> CompressDataLZ4(const u8* source, std::size_t source_size);
+
+/**
+ * Utilizes the LZ4 subalgorithm LZ4HC with the specified compression level. Higher compression
+ * levels result in a smaller compressed size, but require more CPU time for compression. The
+ * compression level has almost no impact on decompression speed. Data compressed with LZ4HC can
+ * also be decompressed with the default LZ4 decompression.
+ *
+ * @param source the uncompressed source memory region.
+ * @param source_size the size in bytes of the uncompressed source memory region.
+ * @param compression_level the used compression level. Should be between 3 and 12.
+ *
+ * @return the compressed data.
+ */
+std::vector<u8> CompressDataLZ4HC(const u8* source, std::size_t source_size, s32 compression_level);
+
+/**
+ * Utilizes the LZ4 subalgorithm LZ4HC with the highest possible compression level.
+ *
+ * @param source the uncompressed source memory region.
+ * @param source_size the size in bytes of the uncompressed source memory region.
+ *
+ * @return the compressed data.
+ */
+std::vector<u8> CompressDataLZ4HCMax(const u8* source, std::size_t source_size);
+
+/**
+ * Decompresses a source memory region with LZ4 and returns the uncompressed data in a vector.
+ *
+ * @param compressed the compressed source memory region.
+ * @param uncompressed_size the size in bytes of the uncompressed data.
+ *
+ * @return the decompressed data.
+ */
+std::vector<u8> DecompressDataLZ4(const std::vector<u8>& compressed, std::size_t uncompressed_size);
+
+} // namespace Common::Compression
\ No newline at end of file
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 9e23afe85..c59107102 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -458,7 +458,7 @@ add_library(core STATIC
 create_target_directory_groups(core)
 
 target_link_libraries(core PUBLIC common PRIVATE audio_core video_core)
-target_link_libraries(core PUBLIC Boost::boost PRIVATE fmt lz4_static mbedtls opus unicorn open_source_archives)
+target_link_libraries(core PUBLIC Boost::boost PRIVATE fmt mbedtls opus unicorn open_source_archives)
 if (ENABLE_WEB_SERVICE)
     target_compile_definitions(core PRIVATE -DENABLE_WEB_SERVICE)
     target_link_libraries(core PRIVATE web_service)
diff --git a/src/core/hle/kernel/object.cpp b/src/core/hle/kernel/object.cpp
index 217144efc..10431e94c 100644
--- a/src/core/hle/kernel/object.cpp
+++ b/src/core/hle/kernel/object.cpp
@@ -24,7 +24,6 @@ bool Object::IsWaitable() const {
     case HandleType::WritableEvent:
     case HandleType::SharedMemory:
     case HandleType::TransferMemory:
-    case HandleType::AddressArbiter:
     case HandleType::ResourceLimit:
     case HandleType::ClientPort:
     case HandleType::ClientSession:
diff --git a/src/core/hle/kernel/object.h b/src/core/hle/kernel/object.h
index 3f6baa094..332876c27 100644
--- a/src/core/hle/kernel/object.h
+++ b/src/core/hle/kernel/object.h
@@ -25,7 +25,6 @@ enum class HandleType : u32 {
     TransferMemory,
     Thread,
     Process,
-    AddressArbiter,
     ResourceLimit,
     ClientPort,
     ServerPort,
diff --git a/src/core/hle/service/am/am.cpp b/src/core/hle/service/am/am.cpp
index 7d3e0e545..a13433bcf 100644
--- a/src/core/hle/service/am/am.cpp
+++ b/src/core/hle/service/am/am.cpp
@@ -239,8 +239,8 @@ ISelfController::ISelfController(std::shared_ptr<NVFlinger::NVFlinger> nvflinger
         {0, nullptr, "Exit"},
         {1, &ISelfController::LockExit, "LockExit"},
         {2, &ISelfController::UnlockExit, "UnlockExit"},
-        {3, nullptr, "EnterFatalSection"},
-        {4, nullptr, "LeaveFatalSection"},
+        {3, &ISelfController::EnterFatalSection, "EnterFatalSection"},
+        {4, &ISelfController::LeaveFatalSection, "LeaveFatalSection"},
         {9, &ISelfController::GetLibraryAppletLaunchableEvent, "GetLibraryAppletLaunchableEvent"},
         {10, &ISelfController::SetScreenShotPermission, "SetScreenShotPermission"},
         {11, &ISelfController::SetOperationModeChangedNotification, "SetOperationModeChangedNotification"},
@@ -285,41 +285,54 @@ ISelfController::ISelfController(std::shared_ptr<NVFlinger::NVFlinger> nvflinger
 
 ISelfController::~ISelfController() = default;
 
-void ISelfController::SetFocusHandlingMode(Kernel::HLERequestContext& ctx) {
-    // Takes 3 input u8s with each field located immediately after the previous
-    // u8, these are bool flags. No output.
+void ISelfController::LockExit(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
-    IPC::RequestParser rp{ctx};
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
 
-    struct FocusHandlingModeParams {
-        u8 unknown0;
-        u8 unknown1;
-        u8 unknown2;
-    };
-    auto flags = rp.PopRaw<FocusHandlingModeParams>();
+void ISelfController::UnlockExit(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
 }
 
-void ISelfController::SetRestartMessageEnabled(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_AM, "(STUBBED) called");
+void ISelfController::EnterFatalSection(Kernel::HLERequestContext& ctx) {
+    ++num_fatal_sections_entered;
+    LOG_DEBUG(Service_AM, "called. Num fatal sections entered: {}", num_fatal_sections_entered);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
 }
 
-void ISelfController::SetPerformanceModeChangedNotification(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
+void ISelfController::LeaveFatalSection(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Service_AM, "called.");
 
-    bool flag = rp.Pop<bool>();
-    LOG_WARNING(Service_AM, "(STUBBED) called flag={}", flag);
+    // Entry and exit of fatal sections must be balanced.
+    if (num_fatal_sections_entered == 0) {
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultCode{ErrorModule::AM, 512});
+        return;
+    }
+
+    --num_fatal_sections_entered;
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
 }
 
+void ISelfController::GetLibraryAppletLaunchableEvent(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    launchable_event.writable->Signal();
+
+    IPC::ResponseBuilder rb{ctx, 2, 1};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushCopyObjects(launchable_event.readable);
+}
+
 void ISelfController::SetScreenShotPermission(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
@@ -337,40 +350,51 @@ void ISelfController::SetOperationModeChangedNotification(Kernel::HLERequestCont
     rb.Push(RESULT_SUCCESS);
 }
 
-void ISelfController::SetOutOfFocusSuspendingEnabled(Kernel::HLERequestContext& ctx) {
-    // Takes 3 input u8s with each field located immediately after the previous
-    // u8, these are bool flags. No output.
+void ISelfController::SetPerformanceModeChangedNotification(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
 
-    bool enabled = rp.Pop<bool>();
-    LOG_WARNING(Service_AM, "(STUBBED) called enabled={}", enabled);
+    bool flag = rp.Pop<bool>();
+    LOG_WARNING(Service_AM, "(STUBBED) called flag={}", flag);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
 }
 
-void ISelfController::LockExit(Kernel::HLERequestContext& ctx) {
+void ISelfController::SetFocusHandlingMode(Kernel::HLERequestContext& ctx) {
+    // Takes 3 input u8s with each field located immediately after the previous
+    // u8, these are bool flags. No output.
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
+    IPC::RequestParser rp{ctx};
+
+    struct FocusHandlingModeParams {
+        u8 unknown0;
+        u8 unknown1;
+        u8 unknown2;
+    };
+    auto flags = rp.PopRaw<FocusHandlingModeParams>();
+
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
 }
 
-void ISelfController::UnlockExit(Kernel::HLERequestContext& ctx) {
+void ISelfController::SetRestartMessageEnabled(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
 }
 
-void ISelfController::GetLibraryAppletLaunchableEvent(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_AM, "(STUBBED) called");
+void ISelfController::SetOutOfFocusSuspendingEnabled(Kernel::HLERequestContext& ctx) {
+    // Takes 3 input u8s with each field located immediately after the previous
+    // u8, these are bool flags. No output.
+    IPC::RequestParser rp{ctx};
 
-    launchable_event.writable->Signal();
+    bool enabled = rp.Pop<bool>();
+    LOG_WARNING(Service_AM, "(STUBBED) called enabled={}", enabled);
 
-    IPC::ResponseBuilder rb{ctx, 2, 1};
+    IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
-    rb.PushCopyObjects(launchable_event.readable);
 }
 
 void ISelfController::SetScreenShotImageOrientation(Kernel::HLERequestContext& ctx) {
diff --git a/src/core/hle/service/am/am.h b/src/core/hle/service/am/am.h
index 565dd8e9e..991b7d47c 100644
--- a/src/core/hle/service/am/am.h
+++ b/src/core/hle/service/am/am.h
@@ -117,17 +117,19 @@ public:
     ~ISelfController() override;
 
 private:
-    void SetFocusHandlingMode(Kernel::HLERequestContext& ctx);
-    void SetRestartMessageEnabled(Kernel::HLERequestContext& ctx);
-    void SetPerformanceModeChangedNotification(Kernel::HLERequestContext& ctx);
-    void SetOperationModeChangedNotification(Kernel::HLERequestContext& ctx);
-    void SetOutOfFocusSuspendingEnabled(Kernel::HLERequestContext& ctx);
     void LockExit(Kernel::HLERequestContext& ctx);
     void UnlockExit(Kernel::HLERequestContext& ctx);
+    void EnterFatalSection(Kernel::HLERequestContext& ctx);
+    void LeaveFatalSection(Kernel::HLERequestContext& ctx);
     void GetLibraryAppletLaunchableEvent(Kernel::HLERequestContext& ctx);
+    void SetScreenShotPermission(Kernel::HLERequestContext& ctx);
+    void SetOperationModeChangedNotification(Kernel::HLERequestContext& ctx);
+    void SetPerformanceModeChangedNotification(Kernel::HLERequestContext& ctx);
+    void SetFocusHandlingMode(Kernel::HLERequestContext& ctx);
+    void SetRestartMessageEnabled(Kernel::HLERequestContext& ctx);
+    void SetOutOfFocusSuspendingEnabled(Kernel::HLERequestContext& ctx);
     void SetScreenShotImageOrientation(Kernel::HLERequestContext& ctx);
     void CreateManagedDisplayLayer(Kernel::HLERequestContext& ctx);
-    void SetScreenShotPermission(Kernel::HLERequestContext& ctx);
     void SetHandlesRequestToDisplay(Kernel::HLERequestContext& ctx);
     void SetIdleTimeDetectionExtension(Kernel::HLERequestContext& ctx);
     void GetIdleTimeDetectionExtension(Kernel::HLERequestContext& ctx);
@@ -135,6 +137,7 @@ private:
     std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
     Kernel::EventPair launchable_event;
     u32 idle_time_detection_extension = 0;
+    u64 num_fatal_sections_entered = 0;
 };
 
 class ICommonStateGetter final : public ServiceFramework<ICommonStateGetter> {
diff --git a/src/core/loader/nso.cpp b/src/core/loader/nso.cpp
index babc7e646..ffe2eea8a 100644
--- a/src/core/loader/nso.cpp
+++ b/src/core/loader/nso.cpp
@@ -4,11 +4,12 @@
 
 #include <cinttypes>
 #include <vector>
-#include <lz4.h>
+
 #include "common/common_funcs.h"
 #include "common/file_util.h"
 #include "common/hex_util.h"
 #include "common/logging/log.h"
+#include "common/lz4_compression.h"
 #include "common/swap.h"
 #include "core/core.h"
 #include "core/file_sys/patch_manager.h"
@@ -35,15 +36,11 @@ static_assert(sizeof(MODHeader) == 0x1c, "MODHeader has incorrect size.");
 
 std::vector<u8> DecompressSegment(const std::vector<u8>& compressed_data,
                                   const NSOSegmentHeader& header) {
-    std::vector<u8> uncompressed_data(header.size);
-    const int bytes_uncompressed =
-        LZ4_decompress_safe(reinterpret_cast<const char*>(compressed_data.data()),
-                            reinterpret_cast<char*>(uncompressed_data.data()),
-                            static_cast<int>(compressed_data.size()), header.size);
-
-    ASSERT_MSG(bytes_uncompressed == static_cast<int>(header.size) &&
-                   bytes_uncompressed == static_cast<int>(uncompressed_data.size()),
-               "{} != {} != {}", bytes_uncompressed, header.size, uncompressed_data.size());
+    const std::vector<u8> uncompressed_data =
+        Common::Compression::DecompressDataLZ4(compressed_data, header.size);
+
+    ASSERT_MSG(uncompressed_data.size() == static_cast<int>(header.size), "{} != {}", header.size,
+               uncompressed_data.size());
 
     return uncompressed_data;
 }
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
index 44c761d3e..242a0d1cd 100644
--- a/src/video_core/CMakeLists.txt
+++ b/src/video_core/CMakeLists.txt
@@ -139,4 +139,4 @@ endif()
 create_target_directory_groups(video_core)
 
 target_link_libraries(video_core PUBLIC common core)
-target_link_libraries(video_core PRIVATE glad lz4_static)
+target_link_libraries(video_core PRIVATE glad)
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 046fc935b..8f012db62 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -318,7 +318,7 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
         const std::size_t stage{index == 0 ? 0 : index - 1}; // Stage indices are 0 - 5
 
         GLShader::MaxwellUniformData ubo{};
-        ubo.SetFromRegs(gpu.state.shader_stages[stage]);
+        ubo.SetFromRegs(gpu, stage);
         const GLintptr offset = buffer_cache.UploadHostMemory(
             &ubo, sizeof(ubo), static_cast<std::size_t>(uniform_buffer_alignment));
 
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp
index 290e654bc..7030db365 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp
@@ -6,13 +6,11 @@
 #include "common/assert.h"
 #include "common/hash.h"
 #include "core/core.h"
-#include "core/memory.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/renderer_opengl/gl_rasterizer.h"
 #include "video_core/renderer_opengl/gl_shader_cache.h"
 #include "video_core/renderer_opengl/gl_shader_decompiler.h"
 #include "video_core/renderer_opengl/gl_shader_disk_cache.h"
-#include "video_core/renderer_opengl/gl_shader_manager.h"
 #include "video_core/renderer_opengl/utils.h"
 #include "video_core/shader/shader_ir.h"
 
diff --git a/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp b/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
index 82fc4d44b..d2d979997 100644
--- a/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
@@ -4,13 +4,13 @@
 
 #include <cstring>
 #include <fmt/format.h>
-#include <lz4.h>
 
 #include "common/assert.h"
 #include "common/common_paths.h"
 #include "common/common_types.h"
 #include "common/file_util.h"
 #include "common/logging/log.h"
+#include "common/lz4_compression.h"
 #include "common/scm_rev.h"
 
 #include "core/core.h"
@@ -49,39 +49,6 @@ ShaderCacheVersionHash GetShaderCacheVersionHash() {
     return hash;
 }
 
-template <typename T>
-std::vector<u8> CompressData(const T* source, std::size_t source_size) {
-    if (source_size > LZ4_MAX_INPUT_SIZE) {
-        // Source size exceeds LZ4 maximum input size
-        return {};
-    }
-    const auto source_size_int = static_cast<int>(source_size);
-    const int max_compressed_size = LZ4_compressBound(source_size_int);
-    std::vector<u8> compressed(max_compressed_size);
-    const int compressed_size = LZ4_compress_default(reinterpret_cast<const char*>(source),
-                                                     reinterpret_cast<char*>(compressed.data()),
-                                                     source_size_int, max_compressed_size);
-    if (compressed_size <= 0) {
-        // Compression failed
-        return {};
-    }
-    compressed.resize(compressed_size);
-    return compressed;
-}
-
-std::vector<u8> DecompressData(const std::vector<u8>& compressed, std::size_t uncompressed_size) {
-    std::vector<u8> uncompressed(uncompressed_size);
-    const int size_check = LZ4_decompress_safe(reinterpret_cast<const char*>(compressed.data()),
-                                               reinterpret_cast<char*>(uncompressed.data()),
-                                               static_cast<int>(compressed.size()),
-                                               static_cast<int>(uncompressed.size()));
-    if (static_cast<int>(uncompressed_size) != size_check) {
-        // Decompression failed
-        return {};
-    }
-    return uncompressed;
-}
-
 } // namespace
 
 ShaderDiskCacheRaw::ShaderDiskCacheRaw(u64 unique_identifier, Maxwell::ShaderProgram program_type,
@@ -292,7 +259,7 @@ ShaderDiskCacheOpenGL::LoadPrecompiledFile(FileUtil::IOFile& file) {
                 return {};
             }
 
-            dump.binary = DecompressData(compressed_binary, binary_length);
+            dump.binary = Common::Compression::DecompressDataLZ4(compressed_binary, binary_length);
             if (dump.binary.empty()) {
                 return {};
             }
@@ -321,7 +288,7 @@ std::optional<ShaderDiskCacheDecompiled> ShaderDiskCacheOpenGL::LoadDecompiledEn
         return {};
     }
 
-    const std::vector<u8> code = DecompressData(compressed_code, code_size);
+    const std::vector<u8> code = Common::Compression::DecompressDataLZ4(compressed_code, code_size);
     if (code.empty()) {
         return {};
     }
@@ -507,7 +474,8 @@ void ShaderDiskCacheOpenGL::SaveDecompiled(u64 unique_identifier, const std::str
     if (!IsUsable())
         return;
 
-    const std::vector<u8> compressed_code{CompressData(code.data(), code.size())};
+    const std::vector<u8> compressed_code{Common::Compression::CompressDataLZ4HC(
+        reinterpret_cast<const u8*>(code.data()), code.size(), 9)};
     if (compressed_code.empty()) {
         LOG_ERROR(Render_OpenGL, "Failed to compress GLSL code - skipping shader {:016x}",
                   unique_identifier);
@@ -537,7 +505,9 @@ void ShaderDiskCacheOpenGL::SaveDump(const ShaderDiskCacheUsage& usage, GLuint p
     std::vector<u8> binary(binary_length);
     glGetProgramBinary(program, binary_length, nullptr, &binary_format, binary.data());
 
-    const std::vector<u8> compressed_binary = CompressData(binary.data(), binary.size());
+    const std::vector<u8> compressed_binary =
+        Common::Compression::CompressDataLZ4HC(binary.data(), binary.size(), 9);
+
     if (compressed_binary.empty()) {
         LOG_ERROR(Render_OpenGL, "Failed to compress binary program in shader={:016x}",
                   usage.unique_identifier);
diff --git a/src/video_core/renderer_opengl/gl_shader_manager.cpp b/src/video_core/renderer_opengl/gl_shader_manager.cpp
index 6a30c28d2..eaf3e03a0 100644
--- a/src/video_core/renderer_opengl/gl_shader_manager.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_manager.cpp
@@ -2,15 +2,15 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "core/core.h"
 #include "video_core/renderer_opengl/gl_shader_manager.h"
 
 namespace OpenGL::GLShader {
 
-void MaxwellUniformData::SetFromRegs(const Maxwell3D::State::ShaderStageInfo& shader_stage) {
-    const auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
-    const auto& regs = gpu.regs;
-    const auto& state = gpu.state;
+using Tegra::Engines::Maxwell3D;
+
+void MaxwellUniformData::SetFromRegs(const Maxwell3D& maxwell, std::size_t shader_stage) {
+    const auto& regs = maxwell.regs;
+    const auto& state = maxwell.state;
 
     // TODO(bunnei): Support more than one viewport
     viewport_flip[0] = regs.viewport_transform[0].scale_x < 0.0 ? -1.0f : 1.0f;
@@ -18,7 +18,7 @@ void MaxwellUniformData::SetFromRegs(const Maxwell3D::State::ShaderStageInfo& sh
 
     u32 func = static_cast<u32>(regs.alpha_test_func);
     // Normalize the gl variants of opCompare to be the same as the normal variants
-    u32 op_gl_variant_base = static_cast<u32>(Tegra::Engines::Maxwell3D::Regs::ComparisonOp::Never);
+    const u32 op_gl_variant_base = static_cast<u32>(Maxwell3D::Regs::ComparisonOp::Never);
     if (func >= op_gl_variant_base) {
         func = func - op_gl_variant_base + 1U;
     }
@@ -31,8 +31,9 @@ void MaxwellUniformData::SetFromRegs(const Maxwell3D::State::ShaderStageInfo& sh
 
     // Assign in which stage the position has to be flipped
     // (the last stage before the fragment shader).
-    if (gpu.regs.shader_config[static_cast<u32>(Maxwell3D::Regs::ShaderProgram::Geometry)].enable) {
-        flip_stage = static_cast<u32>(Maxwell3D::Regs::ShaderProgram::Geometry);
+    constexpr u32 geometry_index = static_cast<u32>(Maxwell3D::Regs::ShaderProgram::Geometry);
+    if (maxwell.regs.shader_config[geometry_index].enable) {
+        flip_stage = geometry_index;
     } else {
         flip_stage = static_cast<u32>(Maxwell3D::Regs::ShaderProgram::VertexB);
     }
diff --git a/src/video_core/renderer_opengl/gl_shader_manager.h b/src/video_core/renderer_opengl/gl_shader_manager.h
index 4970aafed..8eef2a920 100644
--- a/src/video_core/renderer_opengl/gl_shader_manager.h
+++ b/src/video_core/renderer_opengl/gl_shader_manager.h
@@ -12,14 +12,13 @@
 
 namespace OpenGL::GLShader {
 
-using Tegra::Engines::Maxwell3D;
-
 /// Uniform structure for the Uniform Buffer Object, all vectors must be 16-byte aligned
-// NOTE: Always keep a vec4 at the end. The GL spec is not clear whether the alignment at
-//       the end of a uniform block is included in UNIFORM_BLOCK_DATA_SIZE or not.
-//       Not following that rule will cause problems on some AMD drivers.
+/// @note Always keep a vec4 at the end. The GL spec is not clear whether the alignment at
+///       the end of a uniform block is included in UNIFORM_BLOCK_DATA_SIZE or not.
+///       Not following that rule will cause problems on some AMD drivers.
 struct MaxwellUniformData {
-    void SetFromRegs(const Maxwell3D::State::ShaderStageInfo& shader_stage);
+    void SetFromRegs(const Tegra::Engines::Maxwell3D& maxwell, std::size_t shader_stage);
+
     alignas(16) GLvec4 viewport_flip;
     struct alignas(16) {
         GLuint instance_id;
diff --git a/src/yuzu/debugger/profiler.cpp b/src/yuzu/debugger/profiler.cpp
index 8b30e0a85..86e03e46d 100644
--- a/src/yuzu/debugger/profiler.cpp
+++ b/src/yuzu/debugger/profiler.cpp
@@ -7,6 +7,7 @@
 #include <QMouseEvent>
 #include <QPainter>
 #include <QString>
+#include <QTimer>
 #include "common/common_types.h"
 #include "common/microprofile.h"
 #include "yuzu/debugger/profiler.h"
diff --git a/src/yuzu/debugger/profiler.h b/src/yuzu/debugger/profiler.h
index eae1e9e3c..8e69fdb06 100644
--- a/src/yuzu/debugger/profiler.h
+++ b/src/yuzu/debugger/profiler.h
@@ -4,10 +4,11 @@
 
 #pragma once
 
-#include <QAbstractItemModel>
-#include <QDockWidget>
-#include <QTimer>
-#include "common/microprofile.h"
+#include <QWidget>
+
+class QAction;
+class QHideEvent;
+class QShowEvent;
 
 class MicroProfileDialog : public QWidget {
     Q_OBJECT
diff --git a/src/yuzu/game_list.cpp b/src/yuzu/game_list.cpp
index c0e3c5fa9..4422a572b 100644
--- a/src/yuzu/game_list.cpp
+++ b/src/yuzu/game_list.cpp
@@ -329,6 +329,8 @@ void GameList::PopupContextMenu(const QPoint& menu_location) {
     QMenu context_menu;
     QAction* open_save_location = context_menu.addAction(tr("Open Save Data Location"));
     QAction* open_lfs_location = context_menu.addAction(tr("Open Mod Data Location"));
+    QAction* open_transferable_shader_cache =
+        context_menu.addAction(tr("Open Transferable Shader Cache"));
     context_menu.addSeparator();
     QAction* dump_romfs = context_menu.addAction(tr("Dump RomFS"));
     QAction* copy_tid = context_menu.addAction(tr("Copy Title ID to Clipboard"));
@@ -344,6 +346,8 @@ void GameList::PopupContextMenu(const QPoint& menu_location) {
             [&]() { emit OpenFolderRequested(program_id, GameListOpenTarget::SaveData); });
     connect(open_lfs_location, &QAction::triggered,
             [&]() { emit OpenFolderRequested(program_id, GameListOpenTarget::ModData); });
+    connect(open_transferable_shader_cache, &QAction::triggered,
+            [&]() { emit OpenTransferableShaderCacheRequested(program_id); });
     connect(dump_romfs, &QAction::triggered, [&]() { emit DumpRomFSRequested(program_id, path); });
     connect(copy_tid, &QAction::triggered, [&]() { emit CopyTIDRequested(program_id); });
     connect(navigate_to_gamedb_entry, &QAction::triggered,
diff --git a/src/yuzu/game_list.h b/src/yuzu/game_list.h
index b317eb2fc..8ea5cbaaa 100644
--- a/src/yuzu/game_list.h
+++ b/src/yuzu/game_list.h
@@ -66,6 +66,7 @@ signals:
     void GameChosen(QString game_path);
     void ShouldCancelWorker();
     void OpenFolderRequested(u64 program_id, GameListOpenTarget target);
+    void OpenTransferableShaderCacheRequested(u64 program_id);
     void DumpRomFSRequested(u64 program_id, const std::string& game_path);
     void CopyTIDRequested(u64 program_id);
     void NavigateToGamedbEntryRequested(u64 program_id,
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index 41ba3c4c6..9efe626d0 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -648,6 +648,8 @@ void GMainWindow::RestoreUIState() {
 void GMainWindow::ConnectWidgetEvents() {
     connect(game_list, &GameList::GameChosen, this, &GMainWindow::OnGameListLoadFile);
     connect(game_list, &GameList::OpenFolderRequested, this, &GMainWindow::OnGameListOpenFolder);
+    connect(game_list, &GameList::OpenTransferableShaderCacheRequested, this,
+            &GMainWindow::OnTransferableShaderCacheOpenFile);
     connect(game_list, &GameList::DumpRomFSRequested, this, &GMainWindow::OnGameListDumpRomFS);
     connect(game_list, &GameList::CopyTIDRequested, this, &GMainWindow::OnGameListCopyTID);
     connect(game_list, &GameList::NavigateToGamedbEntryRequested, this,
@@ -1082,6 +1084,42 @@ void GMainWindow::OnGameListOpenFolder(u64 program_id, GameListOpenTarget target
     QDesktopServices::openUrl(QUrl::fromLocalFile(qpath));
 }
 
+void GMainWindow::OnTransferableShaderCacheOpenFile(u64 program_id) {
+    ASSERT(program_id != 0);
+
+    constexpr char open_target[] = "Transferable Shader Cache";
+    const QString tranferable_shader_cache_folder_path =
+        QString::fromStdString(FileUtil::GetUserPath(FileUtil::UserPath::ShaderDir)) + "opengl" +
+        DIR_SEP + "transferable";
+
+    const QString transferable_shader_cache_file_path =
+        tranferable_shader_cache_folder_path + DIR_SEP +
+        QString::fromStdString(fmt::format("{:016X}", program_id)) + ".bin";
+
+    if (!QFile(transferable_shader_cache_file_path).exists()) {
+        QMessageBox::warning(this,
+                             tr("Error Opening %1 File").arg(QString::fromStdString(open_target)),
+                             tr("File does not exist!"));
+        return;
+    }
+    LOG_INFO(Frontend, "Opening {} path for program_id={:016x}", open_target, program_id);
+
+    // Windows supports opening a folder with selecting a specified file in explorer. On every other
+    // OS we just open the transferable shader cache folder without preselecting the transferable
+    // shader cache file for the selected game.
+#if defined(Q_OS_WIN)
+    const QString explorer = "explorer";
+    QStringList param;
+    if (!QFileInfo(transferable_shader_cache_file_path).isDir()) {
+        param << QLatin1String("/select,");
+    }
+    param << QDir::toNativeSeparators(transferable_shader_cache_file_path);
+    QProcess::startDetached(explorer, param);
+#else
+    QDesktopServices::openUrl(QUrl::fromLocalFile(tranferable_shader_cache_folder_path));
+#endif
+}
+
 static std::size_t CalculateRomFSEntrySize(const FileSys::VirtualDir& dir, bool full) {
     std::size_t out = 0;
 
diff --git a/src/yuzu/main.h b/src/yuzu/main.h
index e07c892cf..7f3aa998e 100644
--- a/src/yuzu/main.h
+++ b/src/yuzu/main.h
@@ -176,6 +176,7 @@ private slots:
     /// Called whenever a user selects a game in the game list widget.
     void OnGameListLoadFile(QString game_path);
     void OnGameListOpenFolder(u64 program_id, GameListOpenTarget target);
+    void OnTransferableShaderCacheOpenFile(u64 program_id);
     void OnGameListDumpRomFS(u64 program_id, const std::string& game_path);
     void OnGameListCopyTID(u64 program_id);
     void OnGameListNavigateToGamedbEntry(u64 program_id,