bootmanager: Bypass input focus issues

While we are at it, remove nullptr checks for deletion, since the C++
standard defines that delete does it by its own

.github/ISSUE_TEMPLATE.md

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

src/core/CMakeLists.txt

@@ -95,8 +95,6 @@ add_library(core STATIC
     frontend/framebuffer_layout.cpp
     frontend/framebuffer_layout.h
     frontend/input.h
-    frontend/scope_acquire_window_context.cpp
-    frontend/scope_acquire_window_context.h
     gdbstub/gdbstub.cpp
     gdbstub/gdbstub.h
     hle/ipc.h

src/core/frontend/emu_window.h

@@ -12,6 +12,23 @@
 
 namespace Core::Frontend {
 
+/**
+ * Represents a graphics context that can be used for background computation or drawing. If the
+ * graphics backend doesn't require the context, then the implementation of these methods can be
+ * stubs
+ */
+class GraphicsContext {
+public:
+    /// Makes the graphics context current for the caller thread
+    virtual void MakeCurrent() = 0;
+
+    /// Releases (dunno if this is the "right" word) the context from the caller thread
+    virtual void DoneCurrent() = 0;
+
+    /// Swap buffers to display the next frame
+    virtual void SwapBuffers() = 0;
+};
+
 /**
  * Abstraction class used to provide an interface between emulation code and the frontend
  * (e.g. SDL, QGLWidget, GLFW, etc...).
@@ -30,7 +47,7 @@ namespace Core::Frontend {
  * - DO NOT TREAT THIS CLASS AS A GUI TOOLKIT ABSTRACTION LAYER. That's not what it is. Please
  *   re-read the upper points again and think about it if you don't see this.
  */
-class EmuWindow {
+class EmuWindow : public GraphicsContext {
 public:
     /// Data structure to store emuwindow configuration
     struct WindowConfig {
@@ -40,17 +57,21 @@ public:
         std::pair<unsigned, unsigned> min_client_area_size;
     };
 
-    /// Swap buffers to display the next frame
-    virtual void SwapBuffers() = 0;
-
     /// Polls window events
     virtual void PollEvents() = 0;
 
-    /// Makes the graphics context current for the caller thread
-    virtual void MakeCurrent() = 0;
-
-    /// Releases (dunno if this is the "right" word) the GLFW context from the caller thread
-    virtual void DoneCurrent() = 0;
+    /**
+     * Returns a GraphicsContext that the frontend provides that is shared with the emu window. This
+     * context can be used from other threads for background graphics computation. If the frontend
+     * is using a graphics backend that doesn't need anything specific to run on a different thread,
+     * then it can use a stubbed implemenation for GraphicsContext.
+     *
+     * If the return value is null, then the core should assume that the frontend cannot provide a
+     * Shared Context
+     */
+    virtual std::unique_ptr<GraphicsContext> CreateSharedContext() const {
+        return nullptr;
+    }
 
     /**
      * Signal that a touch pressed event has occurred (e.g. mouse click pressed)

src/core/frontend/scope_acquire_window_context.cpp

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

src/core/frontend/scope_acquire_window_context.h

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

src/core/settings.cpp

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

src/core/settings.h

@@ -425,5 +425,4 @@ struct Values {
 } extern values;
 
 void Apply();
-void LogSettings();
 } // namespace Settings

src/video_core/CMakeLists.txt

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

src/video_core/engines/maxwell_3d.cpp

@@ -37,7 +37,6 @@ void Maxwell3D::InitializeRegisterDefaults() {
         regs.viewports[viewport].depth_range_near = 0.0f;
         regs.viewports[viewport].depth_range_far = 1.0f;
     }
-
     // Doom and Bomberman seems to use the uninitialized registers and just enable blend
     // so initialize blend registers with sane values
     regs.blend.equation_rgb = Regs::Blend::Equation::Add;
@@ -67,7 +66,6 @@ void Maxwell3D::InitializeRegisterDefaults() {
     regs.stencil_back_func_func = Regs::ComparisonOp::Always;
     regs.stencil_back_func_mask = 0xFFFFFFFF;
     regs.stencil_back_mask = 0xFFFFFFFF;
-
     // TODO(Rodrigo): Most games do not set a point size. I think this is a case of a
     // register carrying a default value. Assume it's OpenGL's default (1).
     regs.point_size = 1.0f;
@@ -80,9 +78,6 @@ void Maxwell3D::InitializeRegisterDefaults() {
         regs.color_mask[color_mask].B.Assign(1);
         regs.color_mask[color_mask].A.Assign(1);
     }
-
-    // Commercial games seem to assume this value is enabled and nouveau sets this value manually.
-    regs.rt_separate_frag_data = 1;
 }
 
 void Maxwell3D::CallMacroMethod(u32 method, std::vector<u32> parameters) {

src/video_core/engines/shader_bytecode.h

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

src/video_core/engines/shader_header.h

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

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -509,7 +509,10 @@ void RasterizerOpenGL::ConfigureFramebuffers(OpenGLState& current_state, bool us
         depth_surface = res_cache.GetDepthBufferSurface(preserve_contents);
     }
 
-    UNIMPLEMENTED_IF(regs.rt_separate_frag_data == 0);
+    // TODO(bunnei): Figure out how the below register works. According to envytools, this should be
+    // used to enable multiple render targets. However, it is left unset on all games that I have
+    // tested.
+    UNIMPLEMENTED_IF(regs.rt_separate_frag_data != 0);
 
     // Bind the framebuffer surfaces
     current_state.framebuffer_srgb.enabled = regs.framebuffer_srgb != 0;
@@ -643,6 +646,8 @@ void RasterizerOpenGL::Clear() {
         return;
     }
 
+    ScopeAcquireGLContext acquire_context{emu_window};
+
     ConfigureFramebuffers(clear_state, use_color, use_depth || use_stencil, false,
                           regs.clear_buffers.RT.Value());
     if (regs.clear_flags.scissor) {
@@ -676,6 +681,8 @@ void RasterizerOpenGL::DrawArrays() {
     auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
     const auto& regs = gpu.regs;
 
+    ScopeAcquireGLContext acquire_context{emu_window};
+
     ConfigureFramebuffers(state);
     SyncColorMask();
     SyncFragmentColorClampState();
@@ -930,7 +937,7 @@ u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, Shader& shad
     const auto& gpu = Core::System::GetInstance().GPU();
     const auto& maxwell3d = gpu.Maxwell3D();
     const auto& shader_stage = maxwell3d.state.shader_stages[static_cast<std::size_t>(stage)];
-    const auto& entries = shader->GetShaderEntries().const_buffers;
+    const auto& entries = shader->GetShaderEntries().const_buffer_entries;
 
     constexpr u64 max_binds = Tegra::Engines::Maxwell3D::Regs::MaxConstBuffers;
     std::array<GLuint, max_binds> bind_buffers;
@@ -998,7 +1005,7 @@ u32 RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, Shader& shader,
     MICROPROFILE_SCOPE(OpenGL_Texture);
     const auto& gpu = Core::System::GetInstance().GPU();
     const auto& maxwell3d = gpu.Maxwell3D();
-    const auto& entries = shader->GetShaderEntries().samplers;
+    const auto& entries = shader->GetShaderEntries().texture_samplers;
 
     ASSERT_MSG(current_unit + entries.size() <= std::size(state.texture_units),
                "Exceeded the number of active textures.");

src/video_core/renderer_opengl/gl_shader_cache.cpp

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

src/video_core/renderer_opengl/gl_shader_cache.h

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

src/video_core/renderer_opengl/gl_shader_decompiler.h

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

src/video_core/renderer_opengl/gl_shader_gen.cpp

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

src/video_core/renderer_opengl/gl_shader_gen.h

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

src/video_core/renderer_opengl/renderer_opengl.cpp

@@ -14,7 +14,6 @@
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/frontend/emu_window.h"
-#include "core/frontend/scope_acquire_window_context.h"
 #include "core/memory.h"
 #include "core/perf_stats.h"
 #include "core/settings.h"
@@ -98,6 +97,18 @@ static std::array<GLfloat, 3 * 2> MakeOrthographicMatrix(const float width, cons
     return matrix;
 }
 
+ScopeAcquireGLContext::ScopeAcquireGLContext(Core::Frontend::EmuWindow& emu_window_)
+    : emu_window{emu_window_} {
+    if (Settings::values.use_multi_core) {
+        emu_window.MakeCurrent();
+    }
+}
+ScopeAcquireGLContext::~ScopeAcquireGLContext() {
+    if (Settings::values.use_multi_core) {
+        emu_window.DoneCurrent();
+    }
+}
+
 RendererOpenGL::RendererOpenGL(Core::Frontend::EmuWindow& window)
     : VideoCore::RendererBase{window} {}
 
@@ -106,6 +117,7 @@ RendererOpenGL::~RendererOpenGL() = default;
 /// Swap buffers (render frame)
 void RendererOpenGL::SwapBuffers(
     std::optional<std::reference_wrapper<const Tegra::FramebufferConfig>> framebuffer) {
+    ScopeAcquireGLContext acquire_context{render_window};
 
     Core::System::GetInstance().GetPerfStats().EndSystemFrame();
 
@@ -494,7 +506,7 @@ static void APIENTRY DebugHandler(GLenum source, GLenum type, GLuint id, GLenum
 
 /// Initialize the renderer
 bool RendererOpenGL::Init() {
-    Core::Frontend::ScopeAcquireWindowContext acquire_context{render_window};
+    ScopeAcquireGLContext acquire_context{render_window};
 
     if (GLAD_GL_KHR_debug) {
         glEnable(GL_DEBUG_OUTPUT);

src/video_core/renderer_opengl/renderer_opengl.h

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

src/video_core/shader/decode.cpp

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

src/video_core/shader/decode/arithmetic.cpp

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

src/video_core/shader/decode/arithmetic_half.cpp

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

src/video_core/shader/decode/arithmetic_half_immediate.cpp

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

src/video_core/shader/decode/arithmetic_immediate.cpp

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

src/video_core/shader/decode/arithmetic_integer.cpp

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

src/video_core/shader/decode/arithmetic_integer_immediate.cpp

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

src/video_core/shader/decode/bfe.cpp

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

src/video_core/shader/decode/bfi.cpp

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

src/video_core/shader/decode/conversion.cpp

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

src/video_core/shader/decode/ffma.cpp

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

src/video_core/shader/decode/float_set.cpp

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

src/video_core/shader/decode/float_set_predicate.cpp

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

src/video_core/shader/decode/half_set.cpp

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

src/video_core/shader/decode/half_set_predicate.cpp

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

src/video_core/shader/decode/hfma2.cpp

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

src/video_core/shader/decode/integer_set.cpp

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

src/video_core/shader/decode/integer_set_predicate.cpp

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

src/video_core/shader/decode/memory.cpp

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

src/video_core/shader/decode/other.cpp

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

src/video_core/shader/decode/predicate_set_predicate.cpp

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

src/video_core/shader/decode/predicate_set_register.cpp

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

src/video_core/shader/decode/register_set_predicate.cpp

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

src/video_core/shader/decode/shift.cpp

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

src/video_core/shader/decode/video.cpp

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

src/video_core/shader/decode/xmad.cpp

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

src/video_core/shader/shader_ir.cpp

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

src/video_core/shader/shader_ir.h

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

src/video_core/video_core.cpp

@@ -16,10 +16,9 @@ std::unique_ptr<RendererBase> CreateRenderer(Core::Frontend::EmuWindow& emu_wind
 }
 
 u16 GetResolutionScaleFactor(const RendererBase& renderer) {
-    return static_cast<u16>(
-        Settings::values.resolution_factor
-            ? Settings::values.resolution_factor
-            : renderer.GetRenderWindow().GetFramebufferLayout().GetScalingRatio());
+    return !Settings::values.resolution_factor
+               ? renderer.GetRenderWindow().GetFramebufferLayout().GetScalingRatio()
+               : Settings::values.resolution_factor;
 }
 
 } // namespace VideoCore

src/yuzu/bootmanager.cpp

@@ -1,6 +1,13 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #include <QApplication>
 #include <QHBoxLayout>
 #include <QKeyEvent>
+#include <QOffscreenSurface>
+#include <QOpenGLWindow>
+#include <QPainter>
 #include <QScreen>
 #include <QWindow>
 #include <fmt/format.h>
@@ -73,13 +80,36 @@ void EmuThread::run() {
     render_window->moveContext();
 }
 
+class GGLContext : public Core::Frontend::GraphicsContext {
+public:
+    explicit GGLContext(QOpenGLContext* shared_context) : surface() {
+        context = std::make_unique<QOpenGLContext>(shared_context);
+        surface.setFormat(shared_context->format());
+        surface.create();
+    }
+
+    void MakeCurrent() override {
+        context->makeCurrent(&surface);
+    }
+
+    void DoneCurrent() override {
+        context->doneCurrent();
+    }
+
+    void SwapBuffers() override {}
+
+private:
+    std::unique_ptr<QOpenGLContext> context;
+    QOffscreenSurface surface;
+};
+
 // This class overrides paintEvent and resizeEvent to prevent the GUI thread from stealing GL
 // context.
 // The corresponding functionality is handled in EmuThread instead
-class GGLWidgetInternal : public QGLWidget {
+class GGLWidgetInternal : public QOpenGLWindow {
 public:
-    GGLWidgetInternal(QGLFormat fmt, GRenderWindow* parent)
-        : QGLWidget(fmt, parent), parent(parent) {}
+    GGLWidgetInternal(GRenderWindow* parent, QOpenGLContext* shared_context)
+        : QOpenGLWindow(shared_context), parent(parent) {}
 
     void paintEvent(QPaintEvent* ev) override {
         if (do_painting) {
@@ -92,9 +122,51 @@ public:
         parent->OnFramebufferSizeChanged();
     }
 
+    void keyPressEvent(QKeyEvent* event) override {
+        InputCommon::GetKeyboard()->PressKey(event->key());
+    }
+
+    void keyReleaseEvent(QKeyEvent* event) override {
+        InputCommon::GetKeyboard()->ReleaseKey(event->key());
+    }
+
+    void mousePressEvent(QMouseEvent* event) override {
+        if (event->source() == Qt::MouseEventSynthesizedBySystem)
+            return; // touch input is handled in TouchBeginEvent
+
+        const auto pos{event->pos()};
+        if (event->button() == Qt::LeftButton) {
+            const auto [x, y] = parent->ScaleTouch(pos);
+            parent->TouchPressed(x, y);
+        } else if (event->button() == Qt::RightButton) {
+            InputCommon::GetMotionEmu()->BeginTilt(pos.x(), pos.y());
+        }
+    }
+
+    void mouseMoveEvent(QMouseEvent* event) override {
+        if (event->source() == Qt::MouseEventSynthesizedBySystem)
+            return; // touch input is handled in TouchUpdateEvent
+
+        const auto pos{event->pos()};
+        const auto [x, y] = parent->ScaleTouch(pos);
+        parent->TouchMoved(x, y);
+        InputCommon::GetMotionEmu()->Tilt(pos.x(), pos.y());
+    }
+
+    void mouseReleaseEvent(QMouseEvent* event) override {
+        if (event->source() == Qt::MouseEventSynthesizedBySystem)
+            return; // touch input is handled in TouchEndEvent
+
+        if (event->button() == Qt::LeftButton)
+            parent->TouchReleased();
+        else if (event->button() == Qt::RightButton)
+            InputCommon::GetMotionEmu()->EndTilt();
+    }
+
     void DisablePainting() {
         do_painting = false;
     }
+
     void EnablePainting() {
         do_painting = true;
     }
@@ -105,7 +177,7 @@ private:
 };
 
 GRenderWindow::GRenderWindow(QWidget* parent, EmuThread* emu_thread)
-    : QWidget(parent), child(nullptr), emu_thread(emu_thread) {
+    : QWidget(parent), child(nullptr), context(nullptr), emu_thread(emu_thread) {
 
     setWindowTitle(QStringLiteral("yuzu %1 | %2-%3")
                        .arg(Common::g_build_name, Common::g_scm_branch, Common::g_scm_desc));
@@ -129,19 +201,19 @@ void GRenderWindow::moveContext() {
     auto thread = (QThread::currentThread() == qApp->thread() && emu_thread != nullptr)
                       ? emu_thread
                       : qApp->thread();
-    child->context()->moveToThread(thread);
+    context->moveToThread(thread);
 }
 
 void GRenderWindow::SwapBuffers() {
-    // In our multi-threaded QGLWidget use case we shouldn't need to call `makeCurrent`,
+    // In our multi-threaded QWidget use case we shouldn't need to call `makeCurrent`,
     // since we never call `doneCurrent` in this thread.
     // However:
     // - The Qt debug runtime prints a bogus warning on the console if `makeCurrent` wasn't called
     // since the last time `swapBuffers` was executed;
     // - On macOS, if `makeCurrent` isn't called explicitely, resizing the buffer breaks.
-    child->makeCurrent();
+    context->makeCurrent(child);
 
-    child->swapBuffers();
+    context->swapBuffers(child);
     if (!first_frame) {
         emit FirstFrameDisplayed();
         first_frame = true;
@@ -149,11 +221,11 @@ void GRenderWindow::SwapBuffers() {
 }
 
 void GRenderWindow::MakeCurrent() {
-    child->makeCurrent();
+    context->makeCurrent(child);
 }
 
 void GRenderWindow::DoneCurrent() {
-    child->doneCurrent();
+    context->doneCurrent();
 }
 
 void GRenderWindow::PollEvents() {}
@@ -166,14 +238,26 @@ void GRenderWindow::PollEvents() {}
 void GRenderWindow::OnFramebufferSizeChanged() {
     // Screen changes potentially incur a change in screen DPI, hence we should update the
     // framebuffer size
-    qreal pixelRatio = windowPixelRatio();
+    qreal pixelRatio = GetWindowPixelRatio();
     unsigned width = child->QPaintDevice::width() * pixelRatio;
     unsigned height = child->QPaintDevice::height() * pixelRatio;
     UpdateCurrentFramebufferLayout(width, height);
 }
 
+void GRenderWindow::ForwardKeyPressEvent(QKeyEvent* event) {
+    if (child) {
+        child->keyPressEvent(event);
+    }
+}
+
+void GRenderWindow::ForwardKeyReleaseEvent(QKeyEvent* event) {
+    if (child) {
+        child->keyReleaseEvent(event);
+    }
+}
+
 void GRenderWindow::BackupGeometry() {
-    geometry = ((QGLWidget*)this)->saveGeometry();
+    geometry = ((QWidget*)this)->saveGeometry();
 }
 
 void GRenderWindow::RestoreGeometry() {
@@ -191,18 +275,18 @@ QByteArray GRenderWindow::saveGeometry() {
     // If we are a top-level widget, store the current geometry
     // otherwise, store the last backup
     if (parent() == nullptr)
-        return ((QGLWidget*)this)->saveGeometry();
+        return ((QWidget*)this)->saveGeometry();
     else
         return geometry;
 }
 
-qreal GRenderWindow::windowPixelRatio() const {
+qreal GRenderWindow::GetWindowPixelRatio() const {
     // windowHandle() might not be accessible until the window is displayed to screen.
     return windowHandle() ? windowHandle()->screen()->devicePixelRatio() : 1.0f;
 }
 
 std::pair<unsigned, unsigned> GRenderWindow::ScaleTouch(const QPointF pos) const {
-    const qreal pixel_ratio = windowPixelRatio();
+    const qreal pixel_ratio = GetWindowPixelRatio();
     return {static_cast<unsigned>(std::max(std::round(pos.x() * pixel_ratio), qreal{0.0})),
             static_cast<unsigned>(std::max(std::round(pos.y() * pixel_ratio), qreal{0.0}))};
 }
@@ -212,47 +296,6 @@ void GRenderWindow::closeEvent(QCloseEvent* event) {
     QWidget::closeEvent(event);
 }
 
-void GRenderWindow::keyPressEvent(QKeyEvent* event) {
-    InputCommon::GetKeyboard()->PressKey(event->key());
-}
-
-void GRenderWindow::keyReleaseEvent(QKeyEvent* event) {
-    InputCommon::GetKeyboard()->ReleaseKey(event->key());
-}
-
-void GRenderWindow::mousePressEvent(QMouseEvent* event) {
-    if (event->source() == Qt::MouseEventSynthesizedBySystem)
-        return; // touch input is handled in TouchBeginEvent
-
-    auto pos = event->pos();
-    if (event->button() == Qt::LeftButton) {
-        const auto [x, y] = ScaleTouch(pos);
-        this->TouchPressed(x, y);
-    } else if (event->button() == Qt::RightButton) {
-        InputCommon::GetMotionEmu()->BeginTilt(pos.x(), pos.y());
-    }
-}
-
-void GRenderWindow::mouseMoveEvent(QMouseEvent* event) {
-    if (event->source() == Qt::MouseEventSynthesizedBySystem)
-        return; // touch input is handled in TouchUpdateEvent
-
-    auto pos = event->pos();
-    const auto [x, y] = ScaleTouch(pos);
-    this->TouchMoved(x, y);
-    InputCommon::GetMotionEmu()->Tilt(pos.x(), pos.y());
-}
-
-void GRenderWindow::mouseReleaseEvent(QMouseEvent* event) {
-    if (event->source() == Qt::MouseEventSynthesizedBySystem)
-        return; // touch input is handled in TouchEndEvent
-
-    if (event->button() == Qt::LeftButton)
-        this->TouchReleased();
-    else if (event->button() == Qt::RightButton)
-        InputCommon::GetMotionEmu()->EndTilt();
-}
-
 void GRenderWindow::TouchBeginEvent(const QTouchEvent* event) {
     // TouchBegin always has exactly one touch point, so take the .first()
     const auto [x, y] = ScaleTouch(event->touchPoints().first().pos());
@@ -305,35 +348,60 @@ void GRenderWindow::OnClientAreaResized(unsigned width, unsigned height) {
     NotifyClientAreaSizeChanged(std::make_pair(width, height));
 }
 
-void GRenderWindow::InitRenderTarget() {
-    if (child) {
-        delete child;
-    }
+std::unique_ptr<Core::Frontend::GraphicsContext> GRenderWindow::CreateSharedContext() const {
+    return std::make_unique<GGLContext>(shared_context.get());
+}
 
-    if (layout()) {
-        delete layout();
-    }
+void GRenderWindow::InitRenderTarget() {
+    shared_context.reset();
+    context.reset();
+
+    delete child;
+    child = nullptr;
+
+    delete container;
+    container = nullptr;
+
+    delete layout();
 
     first_frame = false;
 
     // TODO: One of these flags might be interesting: WA_OpaquePaintEvent, WA_NoBackground,
     // WA_DontShowOnScreen, WA_DeleteOnClose
-    QGLFormat fmt;
+    QSurfaceFormat fmt;
     fmt.setVersion(4, 3);
-    fmt.setProfile(QGLFormat::CoreProfile);
+    fmt.setProfile(QSurfaceFormat::CoreProfile);
+    // TODO: expose a setting for buffer value (ie default/single/double/triple)
+    fmt.setSwapBehavior(QSurfaceFormat::DefaultSwapBehavior);
+    shared_context = std::make_unique<QOpenGLContext>();
+    shared_context->setFormat(fmt);
+    shared_context->create();
+    context = std::make_unique<QOpenGLContext>();
+    context->setShareContext(shared_context.get());
+    context->setFormat(fmt);
+    context->create();
     fmt.setSwapInterval(false);
 
-    // Requests a forward-compatible context, which is required to get a 3.2+ context on OS X
-    fmt.setOption(QGL::NoDeprecatedFunctions);
+    child = new GGLWidgetInternal(this, shared_context.get());
+    container = QWidget::createWindowContainer(child, this);
 
-    child = new GGLWidgetInternal(fmt, this);
     QBoxLayout* layout = new QHBoxLayout(this);
-
-    resize(Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height);
-    layout->addWidget(child);
+    layout->addWidget(container);
     layout->setMargin(0);
     setLayout(layout);
 
+    // Reset minimum size to avoid unwanted resizes when this function is called for a second time.
+    setMinimumSize(1, 1);
+
+    // Show causes the window to actually be created and the OpenGL context as well, but we don't
+    // want the widget to be shown yet, so immediately hide it.
+    show();
+    hide();
+
+    resize(Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height);
+    child->resize(Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height);
+    container->resize(Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height);
+
     OnMinimalClientAreaChangeRequest(GetActiveConfig().min_client_area_size);
 
     OnFramebufferSizeChanged();

src/yuzu/bootmanager.h

@@ -7,9 +7,9 @@
 #include <atomic>
 #include <condition_variable>
 #include <mutex>
-#include <QGLWidget>
 #include <QImage>
 #include <QThread>
+#include <QWidget>
 #include "common/thread.h"
 #include "core/core.h"
 #include "core/frontend/emu_window.h"
@@ -21,6 +21,8 @@ class QTouchEvent;
 class GGLWidgetInternal;
 class GMainWindow;
 class GRenderWindow;
+class QSurface;
+class QOpenGLContext;
 
 class EmuThread : public QThread {
     Q_OBJECT
@@ -115,25 +117,21 @@ public:
     void MakeCurrent() override;
     void DoneCurrent() override;
     void PollEvents() override;
+    std::unique_ptr<Core::Frontend::GraphicsContext> CreateSharedContext() const override;
+
+    void ForwardKeyPressEvent(QKeyEvent* event);
+    void ForwardKeyReleaseEvent(QKeyEvent* event);
 
     void BackupGeometry();
     void RestoreGeometry();
     void restoreGeometry(const QByteArray& geometry); // overridden
     QByteArray saveGeometry();                        // overridden
 
-    qreal windowPixelRatio() const;
+    qreal GetWindowPixelRatio() const;
+    std::pair<unsigned, unsigned> ScaleTouch(const QPointF pos) const;
 
     void closeEvent(QCloseEvent* event) override;
-
-    void keyPressEvent(QKeyEvent* event) override;
-    void keyReleaseEvent(QKeyEvent* event) override;
-
-    void mousePressEvent(QMouseEvent* event) override;
-    void mouseMoveEvent(QMouseEvent* event) override;
-    void mouseReleaseEvent(QMouseEvent* event) override;
-
     bool event(QEvent* event) override;
-
     void focusOutEvent(QFocusEvent* event) override;
 
     void OnClientAreaResized(unsigned width, unsigned height);
@@ -155,7 +153,6 @@ signals:
     void FirstFrameDisplayed();
 
 private:
-    std::pair<unsigned, unsigned> ScaleTouch(const QPointF pos) const;
     void TouchBeginEvent(const QTouchEvent* event);
     void TouchUpdateEvent(const QTouchEvent* event);
     void TouchEndEvent();
@@ -163,11 +160,17 @@ private:
     void OnMinimalClientAreaChangeRequest(
         const std::pair<unsigned, unsigned>& minimal_size) override;
 
-    GGLWidgetInternal* child;
+    QWidget* container = nullptr;
+    GGLWidgetInternal* child = nullptr;
 
     QByteArray geometry;
 
     EmuThread* emu_thread;
+    // Context that backs the GGLWidgetInternal (and will be used by core to render)
+    std::unique_ptr<QOpenGLContext> context;
+    // Context that will be shared between all newly created contexts. This should never be made
+    // current
+    std::unique_ptr<QOpenGLContext> shared_context;
 
     /// Temporary storage of the screenshot taken
     QImage screenshot_image;

src/yuzu/configuration/configure_debug.cpp

@@ -7,6 +7,7 @@
 #include "common/file_util.h"
 #include "common/logging/backend.h"
 #include "common/logging/filter.h"
+#include "common/logging/log.h"
 #include "core/core.h"
 #include "core/settings.h"
 #include "ui_configure_debug.h"

src/yuzu/configuration/configure_dialog.cpp

@@ -39,7 +39,6 @@ void ConfigureDialog::applyConfiguration() {
     ui->debugTab->applyConfiguration();
     ui->webTab->applyConfiguration();
     Settings::Apply();
-    Settings::LogSettings();
 }
 
 void ConfigureDialog::PopulateSelectionList() {

src/yuzu/configuration/configure_input_player.cpp

@@ -7,7 +7,6 @@
 #include <utility>
 #include <QColorDialog>
 #include <QGridLayout>
-#include <QKeyEvent>
 #include <QMenu>
 #include <QMessageBox>
 #include <QTimer>

src/yuzu/configuration/configure_input_player.h

@@ -11,21 +11,17 @@
 #include <string>
 
 #include <QDialog>
+#include <QKeyEvent>
 
 #include "common/param_package.h"
 #include "core/settings.h"
+#include "input_common/main.h"
 #include "ui_configure_input.h"
 
-class QKeyEvent;
 class QPushButton;
 class QString;
 class QTimer;
 
-namespace InputCommon::Polling {
-class DevicePoller;
-enum class DeviceType;
-} // namespace InputCommon::Polling
-
 namespace Ui {
 class ConfigureInputPlayer;
 }

src/yuzu/configuration/configure_per_general.cpp

@@ -8,6 +8,7 @@
 
 #include <QHeaderView>
 #include <QMenu>
+#include <QMessageBox>
 #include <QStandardItemModel>
 #include <QString>
 #include <QTimer>

src/yuzu/configuration/configure_per_general.h

@@ -7,16 +7,16 @@
 #include <memory>
 #include <vector>
 
-#include <QDialog>
+#include <QKeyEvent>
 #include <QList>
+#include <QWidget>
 
 #include "core/file_sys/vfs_types.h"
 
+class QTreeView;
 class QGraphicsScene;
 class QStandardItem;
 class QStandardItemModel;
-class QTreeView;
-class QVBoxLayout;
 
 namespace Ui {
 class ConfigurePerGameGeneral;

src/yuzu/configuration/configure_system.cpp

@@ -2,19 +2,23 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <array>
-#include <chrono>
-#include <optional>
-
+#include <algorithm>
 #include <QFileDialog>
 #include <QGraphicsItem>
+#include <QGraphicsScene>
+#include <QHeaderView>
 #include <QMessageBox>
+#include <QStandardItemModel>
+#include <QTreeView>
+#include <QVBoxLayout>
 #include "common/assert.h"
 #include "common/file_util.h"
+#include "common/string_util.h"
 #include "core/core.h"
 #include "core/settings.h"
 #include "ui_configure_system.h"
 #include "yuzu/configuration/configure_system.h"
+#include "yuzu/util/limitable_input_dialog.h"
 
 namespace {
 constexpr std::array<int, 12> days_in_month = {{

src/yuzu/configuration/configure_touchscreen_advanced.h

@@ -6,6 +6,8 @@
 
 #include <memory>
 #include <QDialog>
+#include <QWidget>
+#include "yuzu/configuration/config.h"
 
 namespace Ui {
 class ConfigureTouchscreenAdvanced;

src/yuzu/main.cpp

@@ -14,7 +14,6 @@
 #include "configuration/configure_per_general.h"
 #include "core/file_sys/vfs.h"
 #include "core/file_sys/vfs_real.h"
-#include "core/frontend/scope_acquire_window_context.h"
 #include "core/hle/service/acc/profile_manager.h"
 #include "core/hle/service/am/applets/applets.h"
 #include "core/hle/service/hid/controllers/npad.h"
@@ -748,15 +747,13 @@ bool GMainWindow::LoadROM(const QString& filename) {
         ShutdownGame();
 
     render_window->InitRenderTarget();
+    render_window->MakeCurrent();
 
-    {
-        Core::Frontend::ScopeAcquireWindowContext acquire_context{*render_window};
-        if (!gladLoadGL()) {
-            QMessageBox::critical(this, tr("Error while initializing OpenGL 4.3 Core!"),
-                                  tr("Your GPU may not support OpenGL 4.3, or you do not "
-                                     "have the latest graphics driver."));
-            return false;
-        }
+    if (!gladLoadGL()) {
+        QMessageBox::critical(this, tr("Error while initializing OpenGL 4.3 Core!"),
+                              tr("Your GPU may not support OpenGL 4.3, or you do not "
+                                 "have the latest graphics driver."));
+        return false;
     }
 
     QStringList unsupported_gl_extensions = GetUnsupportedGLExtensions();
@@ -797,6 +794,8 @@ bool GMainWindow::LoadROM(const QString& filename) {
                "wiki</a>. This message will not be shown again."));
     }
 
+    render_window->DoneCurrent();
+
     if (result != Core::System::ResultStatus::Success) {
         switch (result) {
         case Core::System::ResultStatus::ErrorGetLoader:
@@ -1966,6 +1965,18 @@ void GMainWindow::dragMoveEvent(QDragMoveEvent* event) {
     event->acceptProposedAction();
 }
 
+void GMainWindow::keyPressEvent(QKeyEvent* event) {
+    if (render_window) {
+        render_window->ForwardKeyPressEvent(event);
+    }
+}
+
+void GMainWindow::keyReleaseEvent(QKeyEvent* event) {
+    if (render_window) {
+        render_window->ForwardKeyReleaseEvent(event);
+    }
+}
+
 bool GMainWindow::ConfirmChangeGame() {
     if (emu_thread == nullptr)
         return true;
@@ -2033,7 +2044,8 @@ int main(int argc, char* argv[]) {
     QCoreApplication::setOrganizationName("yuzu team");
     QCoreApplication::setApplicationName("yuzu");
 
-    QApplication::setAttribute(Qt::AA_DontCheckOpenGLContextThreadAffinity);
+    // Enables the core to make the qt created contexts current on std::threads
+    QCoreApplication::setAttribute(Qt::AA_DontCheckOpenGLContextThreadAffinity);
     QApplication app(argc, argv);
 
     // Qt changes the locale and causes issues in float conversion using std::to_string() when
@@ -2043,9 +2055,6 @@ int main(int argc, char* argv[]) {
     GMainWindow main_window;
     // After settings have been loaded by GMainWindow, apply the filter
     main_window.show();
-
-    Settings::LogSettings();
-
     int result = app.exec();
     detached_tasks.WaitForAllTasks();
     return result;

src/yuzu/main.h

@@ -251,4 +251,8 @@ protected:
     void dropEvent(QDropEvent* event) override;
     void dragEnterEvent(QDragEnterEvent* event) override;
     void dragMoveEvent(QDragMoveEvent* event) override;
+
+    // Overrides used to forward signals to the render window when the focus moves out.
+    void keyPressEvent(QKeyEvent* event) override;
+    void keyReleaseEvent(QKeyEvent* event) override;
 };

src/yuzu_cmd/emu_window/emu_window_sdl2.cpp

@@ -19,6 +19,37 @@
 #include "input_common/sdl/sdl.h"
 #include "yuzu_cmd/emu_window/emu_window_sdl2.h"
 
+class SDLGLContext : public Core::Frontend::GraphicsContext {
+public:
+    explicit SDLGLContext() {
+        // create a hidden window to make the shared context against
+        window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED, // x position
+                                  SDL_WINDOWPOS_UNDEFINED,     // y position
+                                  Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height,
+                                  SDL_WINDOW_OPENGL | SDL_WINDOW_HIDDEN);
+        context = SDL_GL_CreateContext(window);
+    }
+
+    ~SDLGLContext() {
+        SDL_GL_DeleteContext(context);
+        SDL_DestroyWindow(window);
+    }
+
+    void MakeCurrent() override {
+        SDL_GL_MakeCurrent(window, context);
+    }
+
+    void DoneCurrent() override {
+        SDL_GL_MakeCurrent(window, nullptr);
+    }
+
+    void SwapBuffers() override {}
+
+private:
+    SDL_Window* window;
+    SDL_GLContext context;
+};
+
 void EmuWindow_SDL2::OnMouseMotion(s32 x, s32 y) {
     TouchMoved((unsigned)std::max(x, 0), (unsigned)std::max(y, 0));
     InputCommon::GetMotionEmu()->Tilt(x, y);
@@ -153,6 +184,7 @@ EmuWindow_SDL2::EmuWindow_SDL2(bool fullscreen) {
     SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
     SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
     SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0);
+    SDL_GL_SetAttribute(SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 1);
 
     std::string window_title = fmt::format("yuzu {} | {}-{}", Common::g_build_fullname,
                                            Common::g_scm_branch, Common::g_scm_desc);
@@ -171,7 +203,6 @@ EmuWindow_SDL2::EmuWindow_SDL2(bool fullscreen) {
     if (fullscreen) {
         Fullscreen();
     }
-
     gl_context = SDL_GL_CreateContext(render_window);
 
     if (gl_context == nullptr) {
@@ -195,7 +226,6 @@ EmuWindow_SDL2::EmuWindow_SDL2(bool fullscreen) {
     SDL_GL_SetSwapInterval(false);
     LOG_INFO(Frontend, "yuzu Version: {} | {}-{}", Common::g_build_fullname, Common::g_scm_branch,
              Common::g_scm_desc);
-    Settings::LogSettings();
 
     DoneCurrent();
 }
@@ -281,3 +311,7 @@ void EmuWindow_SDL2::OnMinimalClientAreaChangeRequest(
 
     SDL_SetWindowMinimumSize(render_window, minimal_size.first, minimal_size.second);
 }
+
+std::unique_ptr<Core::Frontend::GraphicsContext> EmuWindow_SDL2::CreateSharedContext() const {
+    return std::make_unique<SDLGLContext>();
+}

src/yuzu_cmd/emu_window/emu_window_sdl2.h

@@ -27,6 +27,8 @@ public:
     /// Releases the GL context from the caller thread
     void DoneCurrent() override;
 
+    std::unique_ptr<Core::Frontend::GraphicsContext> CreateSharedContext() const override;
+
     /// Whether the window is still open, and a close request hasn't yet been sent
     bool IsOpen() const;