Merge pull request #3301 from ReinUsesLisp/state-tracker

video_core: Remove gl_state and use a state tracker based on dirty flags

src/common/math_util.h

@@ -24,17 +24,29 @@ struct Rectangle {
         : left(left), top(top), right(right), bottom(bottom) {}
 
     T GetWidth() const {
+        if constexpr (std::is_floating_point_v<T>) {
+            return std::abs(right - left);
+        } else {
             return std::abs(static_cast<std::make_signed_t<T>>(right - left));
         }
+    }
+
     T GetHeight() const {
+        if constexpr (std::is_floating_point_v<T>) {
+            return std::abs(bottom - top);
+        } else {
             return std::abs(static_cast<std::make_signed_t<T>>(bottom - top));
         }
+    }
+
     Rectangle<T> TranslateX(const T x) const {
         return Rectangle{left + x, top, right + x, bottom};
     }
+
     Rectangle<T> TranslateY(const T y) const {
         return Rectangle{left, top + y, right, bottom + y};
     }
+
     Rectangle<T> Scale(const float s) const {
         return Rectangle{left, top, static_cast<T>(left + GetWidth() * s),
                          static_cast<T>(top + GetHeight() * s)};

src/core/core.cpp

@@ -174,6 +174,7 @@ struct System::Impl {
         }
         interrupt_manager = std::make_unique<Core::Hardware::InterruptManager>(system);
         gpu_core = VideoCore::CreateGPU(system);
+        renderer->Rasterizer().SetupDirtyFlags();
 
         is_powered_on = true;
         exit_lock = false;

src/video_core/CMakeLists.txt

@@ -2,6 +2,8 @@ add_library(video_core STATIC
     buffer_cache/buffer_block.h
     buffer_cache/buffer_cache.h
     buffer_cache/map_interval.h
+    dirty_flags.cpp
+    dirty_flags.h
     dma_pusher.cpp
     dma_pusher.h
     engines/const_buffer_engine_interface.h
@@ -69,8 +71,8 @@ add_library(video_core STATIC
     renderer_opengl/gl_shader_manager.h
     renderer_opengl/gl_shader_util.cpp
     renderer_opengl/gl_shader_util.h
-    renderer_opengl/gl_state.cpp
+    renderer_opengl/gl_state_tracker.cpp
-    renderer_opengl/gl_state.h
+    renderer_opengl/gl_state_tracker.h
     renderer_opengl/gl_stream_buffer.cpp
     renderer_opengl/gl_stream_buffer.h
     renderer_opengl/gl_texture_cache.cpp
@@ -198,6 +200,8 @@ if (ENABLE_VULKAN)
         renderer_vulkan/vk_shader_util.h
         renderer_vulkan/vk_staging_buffer_pool.cpp
         renderer_vulkan/vk_staging_buffer_pool.h
+        renderer_vulkan/vk_state_tracker.cpp
+        renderer_vulkan/vk_state_tracker.h
         renderer_vulkan/vk_stream_buffer.cpp
         renderer_vulkan/vk_stream_buffer.h
         renderer_vulkan/vk_swapchain.cpp

src/video_core/dirty_flags.cpp

@@ -0,0 +1,46 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <array>
+#include <cstddef>
+
+#include "common/common_types.h"
+#include "video_core/dirty_flags.h"
+
+#define OFF(field_name) MAXWELL3D_REG_INDEX(field_name)
+#define NUM(field_name) (sizeof(::Tegra::Engines::Maxwell3D::Regs::field_name) / sizeof(u32))
+
+namespace VideoCommon::Dirty {
+
+using Tegra::Engines::Maxwell3D;
+
+void SetupCommonOnWriteStores(Tegra::Engines::Maxwell3D::DirtyState::Flags& store) {
+    store[RenderTargets] = true;
+    store[ZetaBuffer] = true;
+    for (std::size_t i = 0; i < Maxwell3D::Regs::NumRenderTargets; ++i) {
+        store[ColorBuffer0 + i] = true;
+    }
+}
+
+void SetupDirtyRenderTargets(Tegra::Engines::Maxwell3D::DirtyState::Tables& tables) {
+    static constexpr std::size_t num_per_rt = NUM(rt[0]);
+    static constexpr std::size_t begin = OFF(rt);
+    static constexpr std::size_t num = num_per_rt * Maxwell3D::Regs::NumRenderTargets;
+    for (std::size_t rt = 0; rt < Maxwell3D::Regs::NumRenderTargets; ++rt) {
+        FillBlock(tables[0], begin + rt * num_per_rt, num_per_rt, ColorBuffer0 + rt);
+    }
+    FillBlock(tables[1], begin, num, RenderTargets);
+
+    static constexpr std::array zeta_flags{ZetaBuffer, RenderTargets};
+    for (std::size_t i = 0; i < std::size(zeta_flags); ++i) {
+        const u8 flag = zeta_flags[i];
+        auto& table = tables[i];
+        table[OFF(zeta_enable)] = flag;
+        table[OFF(zeta_width)] = flag;
+        table[OFF(zeta_height)] = flag;
+        FillBlock(table, OFF(zeta), NUM(zeta), flag);
+    }
+}
+
+} // namespace VideoCommon::Dirty

src/video_core/dirty_flags.h

@@ -0,0 +1,51 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <algorithm>
+#include <cstddef>
+#include <iterator>
+
+#include "common/common_types.h"
+#include "video_core/engines/maxwell_3d.h"
+
+namespace VideoCommon::Dirty {
+
+enum : u8 {
+    NullEntry = 0,
+
+    RenderTargets,
+    ColorBuffer0,
+    ColorBuffer1,
+    ColorBuffer2,
+    ColorBuffer3,
+    ColorBuffer4,
+    ColorBuffer5,
+    ColorBuffer6,
+    ColorBuffer7,
+    ZetaBuffer,
+
+    LastCommonEntry,
+};
+
+template <typename Integer>
+void FillBlock(Tegra::Engines::Maxwell3D::DirtyState::Table& table, std::size_t begin,
+               std::size_t num, Integer dirty_index) {
+    const auto it = std::begin(table) + begin;
+    std::fill(it, it + num, static_cast<u8>(dirty_index));
+}
+
+template <typename Integer1, typename Integer2>
+void FillBlock(Tegra::Engines::Maxwell3D::DirtyState::Tables& tables, std::size_t begin,
+               std::size_t num, Integer1 index_a, Integer2 index_b) {
+    FillBlock(tables[0], begin, num, index_a);
+    FillBlock(tables[1], begin, num, index_b);
+}
+
+void SetupCommonOnWriteStores(Tegra::Engines::Maxwell3D::DirtyState::Flags& store);
+
+void SetupDirtyRenderTargets(Tegra::Engines::Maxwell3D::DirtyState::Tables& tables);
+
+} // namespace VideoCommon::Dirty

src/video_core/dma_pusher.cpp

@@ -22,7 +22,7 @@ void DmaPusher::DispatchCalls() {
     MICROPROFILE_SCOPE(DispatchCalls);
 
     // On entering GPU code, assume all memory may be touched by the ARM core.
-    gpu.Maxwell3D().dirty.OnMemoryWrite();
+    gpu.Maxwell3D().OnMemoryWrite();
 
     dma_pushbuffer_subindex = 0;
 

src/video_core/engines/kepler_compute.cpp

@@ -39,7 +39,7 @@ void KeplerCompute::CallMethod(const GPU::MethodCall& method_call) {
         const bool is_last_call = method_call.IsLastCall();
         upload_state.ProcessData(method_call.argument, is_last_call);
         if (is_last_call) {
-            system.GPU().Maxwell3D().dirty.OnMemoryWrite();
+            system.GPU().Maxwell3D().OnMemoryWrite();
         }
         break;
     }

src/video_core/engines/kepler_memory.cpp

@@ -34,7 +34,7 @@ void KeplerMemory::CallMethod(const GPU::MethodCall& method_call) {
         const bool is_last_call = method_call.IsLastCall();
         upload_state.ProcessData(method_call.argument, is_last_call);
         if (is_last_call) {
-            system.GPU().Maxwell3D().dirty.OnMemoryWrite();
+            system.GPU().Maxwell3D().OnMemoryWrite();
         }
         break;
     }

src/video_core/engines/maxwell_3d.cpp

@@ -26,7 +26,8 @@ Maxwell3D::Maxwell3D(Core::System& system, VideoCore::RasterizerInterface& raste
                      MemoryManager& memory_manager)
     : system{system}, rasterizer{rasterizer}, memory_manager{memory_manager},
       macro_interpreter{*this}, upload_state{memory_manager, regs.upload} {
-    InitDirtySettings();
+    dirty.flags.flip();
+
     InitializeRegisterDefaults();
 }
 
@@ -75,8 +76,8 @@ void Maxwell3D::InitializeRegisterDefaults() {
     regs.stencil_back_mask = 0xFFFFFFFF;
 
     regs.depth_test_func = Regs::ComparisonOp::Always;
-    regs.cull.front_face = Regs::Cull::FrontFace::CounterClockWise;
+    regs.front_face = Regs::FrontFace::CounterClockWise;
-    regs.cull.cull_face = Regs::Cull::CullFace::Back;
+    regs.cull_face = Regs::CullFace::Back;
 
     // 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).
@@ -95,7 +96,7 @@ void Maxwell3D::InitializeRegisterDefaults() {
     regs.rasterize_enable = 1;
     regs.rt_separate_frag_data = 1;
     regs.framebuffer_srgb = 1;
-    regs.cull.front_face = Maxwell3D::Regs::Cull::FrontFace::ClockWise;
+    regs.front_face = Maxwell3D::Regs::FrontFace::ClockWise;
 
     mme_inline[MAXWELL3D_REG_INDEX(draw.vertex_end_gl)] = true;
     mme_inline[MAXWELL3D_REG_INDEX(draw.vertex_begin_gl)] = true;
@@ -103,164 +104,6 @@ void Maxwell3D::InitializeRegisterDefaults() {
     mme_inline[MAXWELL3D_REG_INDEX(index_array.count)] = true;
 }
 
-#define DIRTY_REGS_POS(field_name) static_cast<u8>(offsetof(Maxwell3D::DirtyRegs, field_name))
-
-void Maxwell3D::InitDirtySettings() {
-    const auto set_block = [this](std::size_t start, std::size_t range, u8 position) {
-        const auto start_itr = dirty_pointers.begin() + start;
-        const auto end_itr = start_itr + range;
-        std::fill(start_itr, end_itr, position);
-    };
-    dirty.regs.fill(true);
-
-    // Init Render Targets
-    constexpr u32 registers_per_rt = sizeof(regs.rt[0]) / sizeof(u32);
-    constexpr u32 rt_start_reg = MAXWELL3D_REG_INDEX(rt);
-    constexpr u32 rt_end_reg = rt_start_reg + registers_per_rt * 8;
-    u8 rt_dirty_reg = DIRTY_REGS_POS(render_target);
-    for (u32 rt_reg = rt_start_reg; rt_reg < rt_end_reg; rt_reg += registers_per_rt) {
-        set_block(rt_reg, registers_per_rt, rt_dirty_reg);
-        ++rt_dirty_reg;
-    }
-    constexpr u32 depth_buffer_flag = DIRTY_REGS_POS(depth_buffer);
-    dirty_pointers[MAXWELL3D_REG_INDEX(zeta_enable)] = depth_buffer_flag;
-    dirty_pointers[MAXWELL3D_REG_INDEX(zeta_width)] = depth_buffer_flag;
-    dirty_pointers[MAXWELL3D_REG_INDEX(zeta_height)] = depth_buffer_flag;
-    constexpr u32 registers_in_zeta = sizeof(regs.zeta) / sizeof(u32);
-    constexpr u32 zeta_reg = MAXWELL3D_REG_INDEX(zeta);
-    set_block(zeta_reg, registers_in_zeta, depth_buffer_flag);
-
-    // Init Vertex Arrays
-    constexpr u32 vertex_array_start = MAXWELL3D_REG_INDEX(vertex_array);
-    constexpr u32 vertex_array_size = sizeof(regs.vertex_array[0]) / sizeof(u32);
-    constexpr u32 vertex_array_end = vertex_array_start + vertex_array_size * Regs::NumVertexArrays;
-    u8 va_dirty_reg = DIRTY_REGS_POS(vertex_array);
-    u8 vi_dirty_reg = DIRTY_REGS_POS(vertex_instance);
-    for (u32 vertex_reg = vertex_array_start; vertex_reg < vertex_array_end;
-         vertex_reg += vertex_array_size) {
-        set_block(vertex_reg, 3, va_dirty_reg);
-        // The divisor concerns vertex array instances
-        dirty_pointers[static_cast<std::size_t>(vertex_reg) + 3] = vi_dirty_reg;
-        ++va_dirty_reg;
-        ++vi_dirty_reg;
-    }
-    constexpr u32 vertex_limit_start = MAXWELL3D_REG_INDEX(vertex_array_limit);
-    constexpr u32 vertex_limit_size = sizeof(regs.vertex_array_limit[0]) / sizeof(u32);
-    constexpr u32 vertex_limit_end = vertex_limit_start + vertex_limit_size * Regs::NumVertexArrays;
-    va_dirty_reg = DIRTY_REGS_POS(vertex_array);
-    for (u32 vertex_reg = vertex_limit_start; vertex_reg < vertex_limit_end;
-         vertex_reg += vertex_limit_size) {
-        set_block(vertex_reg, vertex_limit_size, va_dirty_reg);
-        va_dirty_reg++;
-    }
-    constexpr u32 vertex_instance_start = MAXWELL3D_REG_INDEX(instanced_arrays);
-    constexpr u32 vertex_instance_size =
-        sizeof(regs.instanced_arrays.is_instanced[0]) / sizeof(u32);
-    constexpr u32 vertex_instance_end =
-        vertex_instance_start + vertex_instance_size * Regs::NumVertexArrays;
-    vi_dirty_reg = DIRTY_REGS_POS(vertex_instance);
-    for (u32 vertex_reg = vertex_instance_start; vertex_reg < vertex_instance_end;
-         vertex_reg += vertex_instance_size) {
-        set_block(vertex_reg, vertex_instance_size, vi_dirty_reg);
-        vi_dirty_reg++;
-    }
-    set_block(MAXWELL3D_REG_INDEX(vertex_attrib_format), regs.vertex_attrib_format.size(),
-              DIRTY_REGS_POS(vertex_attrib_format));
-
-    // Init Shaders
-    constexpr u32 shader_registers_count =
-        sizeof(regs.shader_config[0]) * Regs::MaxShaderProgram / sizeof(u32);
-    set_block(MAXWELL3D_REG_INDEX(shader_config[0]), shader_registers_count,
-              DIRTY_REGS_POS(shaders));
-
-    // State
-
-    // Viewport
-    constexpr u8 viewport_dirty_reg = DIRTY_REGS_POS(viewport);
-    constexpr u32 viewport_start = MAXWELL3D_REG_INDEX(viewports);
-    constexpr u32 viewport_size = sizeof(regs.viewports) / sizeof(u32);
-    set_block(viewport_start, viewport_size, viewport_dirty_reg);
-    constexpr u32 view_volume_start = MAXWELL3D_REG_INDEX(view_volume_clip_control);
-    constexpr u32 view_volume_size = sizeof(regs.view_volume_clip_control) / sizeof(u32);
-    set_block(view_volume_start, view_volume_size, viewport_dirty_reg);
-
-    // Viewport transformation
-    constexpr u32 viewport_trans_start = MAXWELL3D_REG_INDEX(viewport_transform);
-    constexpr u32 viewport_trans_size = sizeof(regs.viewport_transform) / sizeof(u32);
-    set_block(viewport_trans_start, viewport_trans_size, DIRTY_REGS_POS(viewport_transform));
-
-    // Cullmode
-    constexpr u32 cull_mode_start = MAXWELL3D_REG_INDEX(cull);
-    constexpr u32 cull_mode_size = sizeof(regs.cull) / sizeof(u32);
-    set_block(cull_mode_start, cull_mode_size, DIRTY_REGS_POS(cull_mode));
-
-    // Screen y control
-    dirty_pointers[MAXWELL3D_REG_INDEX(screen_y_control)] = DIRTY_REGS_POS(screen_y_control);
-
-    // Primitive Restart
-    constexpr u32 primitive_restart_start = MAXWELL3D_REG_INDEX(primitive_restart);
-    constexpr u32 primitive_restart_size = sizeof(regs.primitive_restart) / sizeof(u32);
-    set_block(primitive_restart_start, primitive_restart_size, DIRTY_REGS_POS(primitive_restart));
-
-    // Depth Test
-    constexpr u8 depth_test_dirty_reg = DIRTY_REGS_POS(depth_test);
-    dirty_pointers[MAXWELL3D_REG_INDEX(depth_test_enable)] = depth_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(depth_write_enabled)] = depth_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(depth_test_func)] = depth_test_dirty_reg;
-
-    // Stencil Test
-    constexpr u32 stencil_test_dirty_reg = DIRTY_REGS_POS(stencil_test);
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_enable)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_front_func_func)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_front_func_ref)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_front_func_mask)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_front_op_fail)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_front_op_zfail)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_front_op_zpass)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_front_mask)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_two_side_enable)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_back_func_func)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_back_func_ref)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_back_func_mask)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_back_op_fail)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_back_op_zfail)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_back_op_zpass)] = stencil_test_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(stencil_back_mask)] = stencil_test_dirty_reg;
-
-    // Color Mask
-    constexpr u8 color_mask_dirty_reg = DIRTY_REGS_POS(color_mask);
-    dirty_pointers[MAXWELL3D_REG_INDEX(color_mask_common)] = color_mask_dirty_reg;
-    set_block(MAXWELL3D_REG_INDEX(color_mask), sizeof(regs.color_mask) / sizeof(u32),
-              color_mask_dirty_reg);
-    // Blend State
-    constexpr u8 blend_state_dirty_reg = DIRTY_REGS_POS(blend_state);
-    set_block(MAXWELL3D_REG_INDEX(blend_color), sizeof(regs.blend_color) / sizeof(u32),
-              blend_state_dirty_reg);
-    dirty_pointers[MAXWELL3D_REG_INDEX(independent_blend_enable)] = blend_state_dirty_reg;
-    set_block(MAXWELL3D_REG_INDEX(blend), sizeof(regs.blend) / sizeof(u32), blend_state_dirty_reg);
-    set_block(MAXWELL3D_REG_INDEX(independent_blend), sizeof(regs.independent_blend) / sizeof(u32),
-              blend_state_dirty_reg);
-
-    // Scissor State
-    constexpr u8 scissor_test_dirty_reg = DIRTY_REGS_POS(scissor_test);
-    set_block(MAXWELL3D_REG_INDEX(scissor_test), sizeof(regs.scissor_test) / sizeof(u32),
-              scissor_test_dirty_reg);
-
-    // Polygon Offset
-    constexpr u8 polygon_offset_dirty_reg = DIRTY_REGS_POS(polygon_offset);
-    dirty_pointers[MAXWELL3D_REG_INDEX(polygon_offset_fill_enable)] = polygon_offset_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(polygon_offset_line_enable)] = polygon_offset_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(polygon_offset_point_enable)] = polygon_offset_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(polygon_offset_units)] = polygon_offset_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(polygon_offset_factor)] = polygon_offset_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(polygon_offset_clamp)] = polygon_offset_dirty_reg;
-
-    // Depth bounds
-    constexpr u8 depth_bounds_values_dirty_reg = DIRTY_REGS_POS(depth_bounds_values);
-    dirty_pointers[MAXWELL3D_REG_INDEX(depth_bounds[0])] = depth_bounds_values_dirty_reg;
-    dirty_pointers[MAXWELL3D_REG_INDEX(depth_bounds[1])] = depth_bounds_values_dirty_reg;
-}
-
 void Maxwell3D::CallMacroMethod(u32 method, std::size_t num_parameters, const u32* parameters) {
     // Reset the current macro.
     executing_macro = 0;
@@ -319,19 +162,9 @@ void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) {
 
     if (regs.reg_array[method] != method_call.argument) {
         regs.reg_array[method] = method_call.argument;
-        const std::size_t dirty_reg = dirty_pointers[method];
+
-        if (dirty_reg) {
+        for (const auto& table : dirty.tables) {
-            dirty.regs[dirty_reg] = true;
+            dirty.flags[table[method]] = true;
-            if (dirty_reg >= DIRTY_REGS_POS(vertex_array) &&
-                dirty_reg < DIRTY_REGS_POS(vertex_array_buffers)) {
-                dirty.vertex_array_buffers = true;
-            } else if (dirty_reg >= DIRTY_REGS_POS(vertex_instance) &&
-                       dirty_reg < DIRTY_REGS_POS(vertex_instances)) {
-                dirty.vertex_instances = true;
-            } else if (dirty_reg >= DIRTY_REGS_POS(render_target) &&
-                       dirty_reg < DIRTY_REGS_POS(render_settings)) {
-                dirty.render_settings = true;
-            }
         }
     }
 
@@ -419,7 +252,7 @@ void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) {
         const bool is_last_call = method_call.IsLastCall();
         upload_state.ProcessData(method_call.argument, is_last_call);
         if (is_last_call) {
-            dirty.OnMemoryWrite();
+            OnMemoryWrite();
         }
         break;
     }
@@ -727,7 +560,7 @@ void Maxwell3D::FinishCBData() {
 
     const u32 id = cb_data_state.id;
     memory_manager.WriteBlock(address, cb_data_state.buffer[id].data(), size);
-    dirty.OnMemoryWrite();
+    OnMemoryWrite();
 
     cb_data_state.id = null_cb_data;
     cb_data_state.current = null_cb_data;

src/video_core/engines/maxwell_3d.h

@@ -6,6 +6,7 @@
 
 #include <array>
 #include <bitset>
+#include <limits>
 #include <optional>
 #include <type_traits>
 #include <unordered_map>
@@ -431,7 +432,6 @@ public:
             GeneratedPrimitives = 0x1F,
         };
 
-        struct Cull {
         enum class FrontFace : u32 {
             ClockWise = 0x0900,
             CounterClockWise = 0x0901,
@@ -443,11 +443,6 @@ public:
             FrontAndBack = 0x0408,
         };
 
-            u32 enabled;
-            FrontFace front_face;
-            CullFace cull_face;
-        };
-
         struct Blend {
             enum class Equation : u32 {
                 Add = 1,
@@ -574,7 +569,7 @@ public:
             f32 translate_z;
             INSERT_UNION_PADDING_WORDS(2);
 
-            Common::Rectangle<s32> GetRect() const {
+            Common::Rectangle<f32> GetRect() const {
                 return {
                     GetX(),               // left
                     GetY() + GetHeight(), // top
@@ -583,20 +578,20 @@ public:
                 };
             };
 
-            s32 GetX() const {
+            f32 GetX() const {
-                return static_cast<s32>(std::max(0.0f, translate_x - std::fabs(scale_x)));
+                return std::max(0.0f, translate_x - std::fabs(scale_x));
             }
 
-            s32 GetY() const {
+            f32 GetY() const {
-                return static_cast<s32>(std::max(0.0f, translate_y - std::fabs(scale_y)));
+                return std::max(0.0f, translate_y - std::fabs(scale_y));
             }
 
-            s32 GetWidth() const {
+            f32 GetWidth() const {
-                return static_cast<s32>(translate_x + std::fabs(scale_x)) - GetX();
+                return translate_x + std::fabs(scale_x) - GetX();
             }
 
-            s32 GetHeight() const {
+            f32 GetHeight() const {
-                return static_cast<s32>(translate_y + std::fabs(scale_y)) - GetY();
+                return translate_y + std::fabs(scale_y) - GetY();
             }
         };
 
@@ -872,16 +867,7 @@ public:
 
                 INSERT_UNION_PADDING_WORDS(0x35);
 
-                union {
+                u32 clip_distance_enabled;
-                    BitField<0, 1, u32> c0;
-                    BitField<1, 1, u32> c1;
-                    BitField<2, 1, u32> c2;
-                    BitField<3, 1, u32> c3;
-                    BitField<4, 1, u32> c4;
-                    BitField<5, 1, u32> c5;
-                    BitField<6, 1, u32> c6;
-                    BitField<7, 1, u32> c7;
-                } clip_distance_enabled;
 
                 u32 samplecnt_enable;
 
@@ -1060,7 +1046,9 @@ public:
 
                 INSERT_UNION_PADDING_WORDS(1);
 
-                Cull cull;
+                u32 cull_test_enabled;
+                FrontFace front_face;
+                CullFace cull_face;
 
                 u32 pixel_center_integer;
 
@@ -1238,79 +1226,6 @@ public:
 
     State state{};
 
-    struct DirtyRegs {
-        static constexpr std::size_t NUM_REGS = 256;
-        static_assert(NUM_REGS - 1 <= std::numeric_limits<u8>::max());
-
-        union {
-            struct {
-                bool null_dirty;
-
-                // Vertex Attributes
-                bool vertex_attrib_format;
-
-                // Vertex Arrays
-                std::array<bool, 32> vertex_array;
-
-                bool vertex_array_buffers;
-
-                // Vertex Instances
-                std::array<bool, 32> vertex_instance;
-
-                bool vertex_instances;
-
-                // Render Targets
-                std::array<bool, 8> render_target;
-                bool depth_buffer;
-
-                bool render_settings;
-
-                // Shaders
-                bool shaders;
-
-                // Rasterizer State
-                bool viewport;
-                bool clip_coefficient;
-                bool cull_mode;
-                bool primitive_restart;
-                bool depth_test;
-                bool stencil_test;
-                bool blend_state;
-                bool scissor_test;
-                bool transform_feedback;
-                bool color_mask;
-                bool polygon_offset;
-                bool depth_bounds_values;
-
-                // Complementary
-                bool viewport_transform;
-                bool screen_y_control;
-
-                bool memory_general;
-            };
-            std::array<bool, NUM_REGS> regs;
-        };
-
-        void ResetVertexArrays() {
-            vertex_array.fill(true);
-            vertex_array_buffers = true;
-        }
-
-        void ResetRenderTargets() {
-            depth_buffer = true;
-            render_target.fill(true);
-            render_settings = true;
-        }
-
-        void OnMemoryWrite() {
-            shaders = true;
-            memory_general = true;
-            ResetRenderTargets();
-            ResetVertexArrays();
-        }
-
-    } dirty{};
-
     /// Reads a register value located at the input method address
     u32 GetRegisterValue(u32 method) const;
 
@@ -1356,6 +1271,11 @@ public:
         return execute_on;
     }
 
+    /// Notify a memory write has happened.
+    void OnMemoryWrite() {
+        dirty.flags |= dirty.on_write_stores;
+    }
+
     enum class MMEDrawMode : u32 {
         Undefined,
         Array,
@@ -1371,6 +1291,16 @@ public:
         u32 gl_end_count{};
     } mme_draw;
 
+    struct DirtyState {
+        using Flags = std::bitset<std::numeric_limits<u8>::max()>;
+        using Table = std::array<u8, Regs::NUM_REGS>;
+        using Tables = std::array<Table, 2>;
+
+        Flags flags;
+        Flags on_write_stores;
+        Tables tables{};
+    } dirty;
+
 private:
     void InitializeRegisterDefaults();
 
@@ -1417,8 +1347,6 @@ private:
     /// Retrieves information about a specific TSC entry from the TSC buffer.
     Texture::TSCEntry GetTSCEntry(u32 tsc_index) const;
 
-    void InitDirtySettings();
-
     /**
      * Call a macro on this engine.
      * @param method Method to call
@@ -1561,7 +1489,9 @@ ASSERT_REG_POSITION(index_array, 0x5F2);
 ASSERT_REG_POSITION(polygon_offset_clamp, 0x61F);
 ASSERT_REG_POSITION(instanced_arrays, 0x620);
 ASSERT_REG_POSITION(vp_point_size, 0x644);
-ASSERT_REG_POSITION(cull, 0x646);
+ASSERT_REG_POSITION(cull_test_enabled, 0x646);
+ASSERT_REG_POSITION(front_face, 0x647);
+ASSERT_REG_POSITION(cull_face, 0x648);
 ASSERT_REG_POSITION(pixel_center_integer, 0x649);
 ASSERT_REG_POSITION(viewport_transform_enabled, 0x64B);
 ASSERT_REG_POSITION(view_volume_clip_control, 0x64F);

src/video_core/engines/maxwell_dma.cpp

@@ -57,7 +57,7 @@ void MaxwellDMA::HandleCopy() {
     }
 
     // All copies here update the main memory, so mark all rasterizer states as invalid.
-    system.GPU().Maxwell3D().dirty.OnMemoryWrite();
+    system.GPU().Maxwell3D().OnMemoryWrite();
 
     if (regs.exec.is_dst_linear && regs.exec.is_src_linear) {
         // When the enable_2d bit is disabled, the copy is performed as if we were copying a 1D

src/video_core/rasterizer_interface.h

@@ -89,6 +89,9 @@ public:
     virtual void LoadDiskResources(const std::atomic_bool& stop_loading = false,
                                    const DiskResourceLoadCallback& callback = {}) {}
 
+    /// Initializes renderer dirty flags
+    virtual void SetupDirtyFlags() {}
+
     /// Grant access to the Guest Driver Profile for recording/obtaining info on the guest driver.
     GuestDriverProfile& AccessGuestDriverProfile() {
         return guest_driver_profile;

src/video_core/renderer_opengl/gl_framebuffer_cache.cpp

@@ -11,7 +11,6 @@
 #include "common/common_types.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/renderer_opengl/gl_framebuffer_cache.h"
-#include "video_core/renderer_opengl/gl_state.h"
 
 namespace OpenGL {
 
@@ -36,8 +35,7 @@ OGLFramebuffer FramebufferCacheOpenGL::CreateFramebuffer(const FramebufferCacheK
     framebuffer.Create();
 
     // TODO(Rodrigo): Use DSA here after Nvidia fixes their framebuffer DSA bugs.
-    local_state.draw.draw_framebuffer = framebuffer.handle;
+    glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer.handle);
-    local_state.ApplyFramebufferState();
 
     if (key.zeta) {
         const bool stencil = key.zeta->GetSurfaceParams().type == SurfaceType::DepthStencil;

src/video_core/renderer_opengl/gl_framebuffer_cache.h

@@ -13,7 +13,6 @@
 #include "common/common_types.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/renderer_opengl/gl_resource_manager.h"
-#include "video_core/renderer_opengl/gl_state.h"
 #include "video_core/renderer_opengl/gl_texture_cache.h"
 
 namespace OpenGL {
@@ -63,7 +62,6 @@ public:
 private:
     OGLFramebuffer CreateFramebuffer(const FramebufferCacheKey& key);
 
-    OpenGLState local_state;
     std::unordered_map<FramebufferCacheKey, OGLFramebuffer> cache;
 };
 

src/video_core/renderer_opengl/gl_rasterizer.h

@@ -30,7 +30,7 @@
 #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/gl_state.h"
+#include "video_core/renderer_opengl/gl_state_tracker.h"
 #include "video_core/renderer_opengl/gl_texture_cache.h"
 #include "video_core/renderer_opengl/utils.h"
 #include "video_core/textures/texture.h"
@@ -55,7 +55,8 @@ struct DrawParameters;
 class RasterizerOpenGL : public VideoCore::RasterizerAccelerated {
 public:
     explicit RasterizerOpenGL(Core::System& system, Core::Frontend::EmuWindow& emu_window,
-                              ScreenInfo& info);
+                              ScreenInfo& info, GLShader::ProgramManager& program_manager,
+                              StateTracker& state_tracker);
     ~RasterizerOpenGL() override;
 
     void Draw(bool is_indexed, bool is_instanced) override;
@@ -76,6 +77,7 @@ public:
                            u32 pixel_stride) override;
     void LoadDiskResources(const std::atomic_bool& stop_loading,
                            const VideoCore::DiskResourceLoadCallback& callback) override;
+    void SetupDirtyFlags() override;
 
     /// Returns true when there are commands queued to the OpenGL server.
     bool AnyCommandQueued() const {
@@ -86,8 +88,7 @@ private:
     /// Configures the color and depth framebuffer states.
     void ConfigureFramebuffers();
 
-    void ConfigureClearFramebuffer(OpenGLState& current_state, bool using_color_fb,
+    void ConfigureClearFramebuffer(bool using_color_fb, bool using_depth_fb, bool using_stencil_fb);
-                                   bool using_depth_fb, bool using_stencil_fb);
 
     /// Configures the current constbuffers to use for the draw command.
     void SetupDrawConstBuffers(std::size_t stage_index, const Shader& shader);
@@ -130,11 +131,13 @@ private:
                     const GLShader::ImageEntry& entry);
 
     /// Syncs the viewport and depth range to match the guest state
-    void SyncViewport(OpenGLState& current_state);
+    void SyncViewport();
+
+    /// Syncs the depth clamp state
+    void SyncDepthClamp();
 
     /// Syncs the clip enabled status to match the guest state
-    void SyncClipEnabled(
+    void SyncClipEnabled(u32 clip_mask);
-        const std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances>& clip_mask);
 
     /// Syncs the clip coefficients to match the guest state
     void SyncClipCoef();
@@ -164,7 +167,7 @@ private:
     void SyncMultiSampleState();
 
     /// Syncs the scissor test state to match the guest state
-    void SyncScissorTest(OpenGLState& current_state);
+    void SyncScissorTest();
 
     /// Syncs the transform feedback state to match the guest state
     void SyncTransformFeedback();
@@ -173,7 +176,7 @@ private:
     void SyncPointState();
 
     /// Syncs the rasterizer enable state to match the guest state
-    void SyncRasterizeEnable(OpenGLState& current_state);
+    void SyncRasterizeEnable();
 
     /// Syncs Color Mask
     void SyncColorMask();
@@ -184,6 +187,9 @@ private:
     /// Syncs the alpha test state to match the guest state
     void SyncAlphaTest();
 
+    /// Syncs the framebuffer sRGB state to match the guest state
+    void SyncFramebufferSRGB();
+
     /// Check for extension that are not strictly required but are needed for correct emulation
     void CheckExtensions();
 
@@ -191,18 +197,17 @@ private:
 
     std::size_t CalculateIndexBufferSize() const;
 
-    /// Updates and returns a vertex array object representing current vertex format
+    /// Updates the current vertex format
-    GLuint SetupVertexFormat();
+    void SetupVertexFormat();
 
-    void SetupVertexBuffer(GLuint vao);
+    void SetupVertexBuffer();
-    void SetupVertexInstances(GLuint vao);
+    void SetupVertexInstances();
 
     GLintptr SetupIndexBuffer();
 
     void SetupShaders(GLenum primitive_mode);
 
     const Device device;
-    OpenGLState state;
 
     TextureCacheOpenGL texture_cache;
     ShaderCacheOpenGL shader_cache;
@@ -212,22 +217,20 @@ private:
 
     Core::System& system;
     ScreenInfo& screen_info;
-
+    GLShader::ProgramManager& program_manager;
-    std::unique_ptr<GLShader::ProgramManager> shader_program_manager;
+    StateTracker& state_tracker;
-    std::map<std::array<Tegra::Engines::Maxwell3D::Regs::VertexAttribute,
-                        Tegra::Engines::Maxwell3D::Regs::NumVertexAttributes>,
-             OGLVertexArray>
-        vertex_array_cache;
 
     static constexpr std::size_t STREAM_BUFFER_SIZE = 128 * 1024 * 1024;
     OGLBufferCache buffer_cache;
 
-    VertexArrayPushBuffer vertex_array_pushbuffer;
+    VertexArrayPushBuffer vertex_array_pushbuffer{state_tracker};
     BindBuffersRangePushBuffer bind_ubo_pushbuffer{GL_UNIFORM_BUFFER};
     BindBuffersRangePushBuffer bind_ssbo_pushbuffer{GL_SHADER_STORAGE_BUFFER};
 
     /// Number of commands queued to the OpenGL driver. Reseted on flush.
     std::size_t num_queued_commands = 0;
+
+    u32 last_clip_distance_mask = 0;
 };
 
 } // namespace OpenGL

src/video_core/renderer_opengl/gl_resource_manager.cpp

@@ -8,7 +8,6 @@
 #include "common/microprofile.h"
 #include "video_core/renderer_opengl/gl_resource_manager.h"
 #include "video_core/renderer_opengl/gl_shader_util.h"
-#include "video_core/renderer_opengl/gl_state.h"
 
 MICROPROFILE_DEFINE(OpenGL_ResourceCreation, "OpenGL", "Resource Creation", MP_RGB(128, 128, 192));
 MICROPROFILE_DEFINE(OpenGL_ResourceDeletion, "OpenGL", "Resource Deletion", MP_RGB(128, 128, 192));
@@ -20,7 +19,7 @@ void OGLRenderbuffer::Create() {
         return;
 
     MICROPROFILE_SCOPE(OpenGL_ResourceCreation);
-    glGenRenderbuffers(1, &handle);
+    glCreateRenderbuffers(1, &handle);
 }
 
 void OGLRenderbuffer::Release() {
@@ -29,7 +28,6 @@ void OGLRenderbuffer::Release() {
 
     MICROPROFILE_SCOPE(OpenGL_ResourceDeletion);
     glDeleteRenderbuffers(1, &handle);
-    OpenGLState::GetCurState().ResetRenderbuffer(handle).Apply();
     handle = 0;
 }
 
@@ -47,7 +45,6 @@ void OGLTexture::Release() {
 
     MICROPROFILE_SCOPE(OpenGL_ResourceDeletion);
     glDeleteTextures(1, &handle);
-    OpenGLState::GetCurState().UnbindTexture(handle).Apply();
     handle = 0;
 }
 
@@ -65,7 +62,6 @@ void OGLTextureView::Release() {
 
     MICROPROFILE_SCOPE(OpenGL_ResourceDeletion);
     glDeleteTextures(1, &handle);
-    OpenGLState::GetCurState().UnbindTexture(handle).Apply();
     handle = 0;
 }
 
@@ -83,7 +79,6 @@ void OGLSampler::Release() {
 
     MICROPROFILE_SCOPE(OpenGL_ResourceDeletion);
     glDeleteSamplers(1, &handle);
-    OpenGLState::GetCurState().ResetSampler(handle).Apply();
     handle = 0;
 }
 
@@ -127,7 +122,6 @@ void OGLProgram::Release() {
 
     MICROPROFILE_SCOPE(OpenGL_ResourceDeletion);
     glDeleteProgram(handle);
-    OpenGLState::GetCurState().ResetProgram(handle).Apply();
     handle = 0;
 }
 
@@ -145,7 +139,6 @@ void OGLPipeline::Release() {
 
     MICROPROFILE_SCOPE(OpenGL_ResourceDeletion);
     glDeleteProgramPipelines(1, &handle);
-    OpenGLState::GetCurState().ResetPipeline(handle).Apply();
     handle = 0;
 }
 
@@ -189,24 +182,6 @@ void OGLSync::Release() {
     handle = 0;
 }
 
-void OGLVertexArray::Create() {
-    if (handle != 0)
-        return;
-
-    MICROPROFILE_SCOPE(OpenGL_ResourceCreation);
-    glCreateVertexArrays(1, &handle);
-}
-
-void OGLVertexArray::Release() {
-    if (handle == 0)
-        return;
-
-    MICROPROFILE_SCOPE(OpenGL_ResourceDeletion);
-    glDeleteVertexArrays(1, &handle);
-    OpenGLState::GetCurState().ResetVertexArray(handle).Apply();
-    handle = 0;
-}
-
 void OGLFramebuffer::Create() {
     if (handle != 0)
         return;
@@ -221,7 +196,6 @@ void OGLFramebuffer::Release() {
 
     MICROPROFILE_SCOPE(OpenGL_ResourceDeletion);
     glDeleteFramebuffers(1, &handle);
-    OpenGLState::GetCurState().ResetFramebuffer(handle).Apply();
     handle = 0;
 }
 

src/video_core/renderer_opengl/gl_resource_manager.h

@@ -241,31 +241,6 @@ public:
     GLsync handle = 0;
 };
 
-class OGLVertexArray : private NonCopyable {
-public:
-    OGLVertexArray() = default;
-
-    OGLVertexArray(OGLVertexArray&& o) noexcept : handle(std::exchange(o.handle, 0)) {}
-
-    ~OGLVertexArray() {
-        Release();
-    }
-
-    OGLVertexArray& operator=(OGLVertexArray&& o) noexcept {
-        Release();
-        handle = std::exchange(o.handle, 0);
-        return *this;
-    }
-
-    /// Creates a new internal OpenGL resource and stores the handle
-    void Create();
-
-    /// Deletes the internal OpenGL resource
-    void Release();
-
-    GLuint handle = 0;
-};
-
 class OGLFramebuffer : private NonCopyable {
 public:
     OGLFramebuffer() = default;

src/video_core/renderer_opengl/gl_shader_cache.cpp

@@ -22,6 +22,7 @@
 #include "video_core/renderer_opengl/gl_shader_cache.h"
 #include "video_core/renderer_opengl/gl_shader_decompiler.h"
 #include "video_core/renderer_opengl/gl_shader_disk_cache.h"
+#include "video_core/renderer_opengl/gl_state_tracker.h"
 #include "video_core/renderer_opengl/utils.h"
 #include "video_core/shader/shader_ir.h"
 
@@ -623,7 +624,7 @@ bool ShaderCacheOpenGL::GenerateUnspecializedShaders(
 }
 
 Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {
-    if (!system.GPU().Maxwell3D().dirty.shaders) {
+    if (!system.GPU().Maxwell3D().dirty.flags[Dirty::Shaders]) {
         return last_shaders[static_cast<std::size_t>(program)];
     }
 

src/video_core/renderer_opengl/gl_shader_decompiler.cpp

@@ -2547,7 +2547,10 @@ ShaderEntries GetEntries(const VideoCommon::Shader::ShaderIR& ir) {
     for (const auto& image : ir.GetImages()) {
         entries.images.emplace_back(image);
     }
-    entries.clip_distances = ir.GetClipDistances();
+    const auto clip_distances = ir.GetClipDistances();
+    for (std::size_t i = 0; i < std::size(clip_distances); ++i) {
+        entries.clip_distances = (clip_distances[i] ? 1U : 0U) << i;
+    }
     entries.shader_length = ir.GetLength();
     return entries;
 }

src/video_core/renderer_opengl/gl_shader_decompiler.h

@@ -74,7 +74,7 @@ struct ShaderEntries {
     std::vector<GlobalMemoryEntry> global_memory_entries;
     std::vector<SamplerEntry> samplers;
     std::vector<ImageEntry> images;
-    std::array<bool, Maxwell::NumClipDistances> clip_distances{};
+    u32 clip_distances{};
     std::size_t shader_length{};
 };
 

src/video_core/renderer_opengl/gl_shader_manager.cpp

@@ -10,26 +10,20 @@ namespace OpenGL::GLShader {
 
 using Tegra::Engines::Maxwell3D;
 
-ProgramManager::ProgramManager() {
+ProgramManager::~ProgramManager() = default;
+
+void ProgramManager::Create() {
     pipeline.Create();
 }
 
-ProgramManager::~ProgramManager() = default;
+void ProgramManager::Update() {
-
-void ProgramManager::ApplyTo(OpenGLState& state) {
-    UpdatePipeline();
-    state.draw.shader_program = 0;
-    state.draw.program_pipeline = pipeline.handle;
-}
-
-void ProgramManager::UpdatePipeline() {
     // Avoid updating the pipeline when values have no changed
     if (old_state == current_state) {
         return;
     }
 
     // Workaround for AMD bug
-    constexpr GLenum all_used_stages{GL_VERTEX_SHADER_BIT | GL_GEOMETRY_SHADER_BIT |
+    static constexpr GLenum all_used_stages{GL_VERTEX_SHADER_BIT | GL_GEOMETRY_SHADER_BIT |
                                             GL_FRAGMENT_SHADER_BIT};
     glUseProgramStages(pipeline.handle, all_used_stages, 0);
 

src/video_core/renderer_opengl/gl_shader_manager.h

@@ -9,7 +9,6 @@
 #include <glad/glad.h>
 
 #include "video_core/renderer_opengl/gl_resource_manager.h"
-#include "video_core/renderer_opengl/gl_state.h"
 #include "video_core/renderer_opengl/maxwell_to_gl.h"
 
 namespace OpenGL::GLShader {
@@ -29,25 +28,26 @@ static_assert(sizeof(MaxwellUniformData) < 16384,
 
 class ProgramManager {
 public:
-    explicit ProgramManager();
     ~ProgramManager();
 
-    void ApplyTo(OpenGLState& state);
+    void Create();
 
-    void UseProgrammableVertexShader(GLuint program) {
+    void Update();
+
+    void UseVertexShader(GLuint program) {
         current_state.vertex_shader = program;
     }
 
-    void UseProgrammableGeometryShader(GLuint program) {
+    void UseGeometryShader(GLuint program) {
         current_state.geometry_shader = program;
     }
 
-    void UseProgrammableFragmentShader(GLuint program) {
+    void UseFragmentShader(GLuint program) {
         current_state.fragment_shader = program;
     }
 
-    void UseTrivialGeometryShader() {
+    GLuint GetHandle() const {
-        current_state.geometry_shader = 0;
+        return pipeline.handle;
     }
 
     void UseTrivialFragmentShader() {
@@ -70,8 +70,6 @@ private:
         GLuint geometry_shader{};
     };
 
-    void UpdatePipeline();
-
     OGLPipeline pipeline;
     PipelineState current_state;
     PipelineState old_state;

src/video_core/renderer_opengl/gl_state.cpp

@@ -1,569 +0,0 @@
-// Copyright 2015 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <iterator>
-#include <glad/glad.h>
-#include "common/assert.h"
-#include "common/logging/log.h"
-#include "common/microprofile.h"
-#include "video_core/renderer_opengl/gl_state.h"
-
-MICROPROFILE_DEFINE(OpenGL_State, "OpenGL", "State Change", MP_RGB(192, 128, 128));
-
-namespace OpenGL {
-
-using Maxwell = Tegra::Engines::Maxwell3D::Regs;
-
-OpenGLState OpenGLState::cur_state;
-
-namespace {
-
-template <typename T>
-bool UpdateValue(T& current_value, const T new_value) {
-    const bool changed = current_value != new_value;
-    current_value = new_value;
-    return changed;
-}
-
-template <typename T1, typename T2>
-bool UpdateTie(T1 current_value, const T2 new_value) {
-    const bool changed = current_value != new_value;
-    current_value = new_value;
-    return changed;
-}
-
-template <typename T>
-std::optional<std::pair<GLuint, GLsizei>> UpdateArray(T& current_values, const T& new_values) {
-    std::optional<std::size_t> first;
-    std::size_t last;
-    for (std::size_t i = 0; i < std::size(current_values); ++i) {
-        if (!UpdateValue(current_values[i], new_values[i])) {
-            continue;
-        }
-        if (!first) {
-            first = i;
-        }
-        last = i;
-    }
-    if (!first) {
-        return std::nullopt;
-    }
-    return std::make_pair(static_cast<GLuint>(*first), static_cast<GLsizei>(last - *first + 1));
-}
-
-void Enable(GLenum cap, bool enable) {
-    if (enable) {
-        glEnable(cap);
-    } else {
-        glDisable(cap);
-    }
-}
-
-void Enable(GLenum cap, GLuint index, bool enable) {
-    if (enable) {
-        glEnablei(cap, index);
-    } else {
-        glDisablei(cap, index);
-    }
-}
-
-void Enable(GLenum cap, bool& current_value, bool new_value) {
-    if (UpdateValue(current_value, new_value)) {
-        Enable(cap, new_value);
-    }
-}
-
-void Enable(GLenum cap, GLuint index, bool& current_value, bool new_value) {
-    if (UpdateValue(current_value, new_value)) {
-        Enable(cap, index, new_value);
-    }
-}
-
-} // Anonymous namespace
-
-OpenGLState::OpenGLState() = default;
-
-void OpenGLState::SetDefaultViewports() {
-    viewports.fill(Viewport{});
-
-    depth_clamp.far_plane = false;
-    depth_clamp.near_plane = false;
-}
-
-void OpenGLState::ApplyFramebufferState() {
-    if (UpdateValue(cur_state.draw.read_framebuffer, draw.read_framebuffer)) {
-        glBindFramebuffer(GL_READ_FRAMEBUFFER, draw.read_framebuffer);
-    }
-    if (UpdateValue(cur_state.draw.draw_framebuffer, draw.draw_framebuffer)) {
-        glBindFramebuffer(GL_DRAW_FRAMEBUFFER, draw.draw_framebuffer);
-    }
-}
-
-void OpenGLState::ApplyVertexArrayState() {
-    if (UpdateValue(cur_state.draw.vertex_array, draw.vertex_array)) {
-        glBindVertexArray(draw.vertex_array);
-    }
-}
-
-void OpenGLState::ApplyShaderProgram() {
-    if (UpdateValue(cur_state.draw.shader_program, draw.shader_program)) {
-        glUseProgram(draw.shader_program);
-    }
-}
-
-void OpenGLState::ApplyProgramPipeline() {
-    if (UpdateValue(cur_state.draw.program_pipeline, draw.program_pipeline)) {
-        glBindProgramPipeline(draw.program_pipeline);
-    }
-}
-
-void OpenGLState::ApplyClipDistances() {
-    for (std::size_t i = 0; i < clip_distance.size(); ++i) {
-        Enable(GL_CLIP_DISTANCE0 + static_cast<GLenum>(i), cur_state.clip_distance[i],
-               clip_distance[i]);
-    }
-}
-
-void OpenGLState::ApplyPointSize() {
-    Enable(GL_PROGRAM_POINT_SIZE, cur_state.point.program_control, point.program_control);
-    Enable(GL_POINT_SPRITE, cur_state.point.sprite, point.sprite);
-    if (UpdateValue(cur_state.point.size, point.size)) {
-        glPointSize(point.size);
-    }
-}
-
-void OpenGLState::ApplyFragmentColorClamp() {
-    if (UpdateValue(cur_state.fragment_color_clamp.enabled, fragment_color_clamp.enabled)) {
-        glClampColor(GL_CLAMP_FRAGMENT_COLOR_ARB,
-                     fragment_color_clamp.enabled ? GL_TRUE : GL_FALSE);
-    }
-}
-
-void OpenGLState::ApplyMultisample() {
-    Enable(GL_SAMPLE_ALPHA_TO_COVERAGE, cur_state.multisample_control.alpha_to_coverage,
-           multisample_control.alpha_to_coverage);
-    Enable(GL_SAMPLE_ALPHA_TO_ONE, cur_state.multisample_control.alpha_to_one,
-           multisample_control.alpha_to_one);
-}
-
-void OpenGLState::ApplyDepthClamp() {
-    if (depth_clamp.far_plane == cur_state.depth_clamp.far_plane &&
-        depth_clamp.near_plane == cur_state.depth_clamp.near_plane) {
-        return;
-    }
-    cur_state.depth_clamp = depth_clamp;
-
-    UNIMPLEMENTED_IF_MSG(depth_clamp.far_plane != depth_clamp.near_plane,
-                         "Unimplemented Depth Clamp Separation!");
-
-    Enable(GL_DEPTH_CLAMP, depth_clamp.far_plane || depth_clamp.near_plane);
-}
-
-void OpenGLState::ApplySRgb() {
-    if (cur_state.framebuffer_srgb.enabled == framebuffer_srgb.enabled)
-        return;
-    cur_state.framebuffer_srgb.enabled = framebuffer_srgb.enabled;
-    if (framebuffer_srgb.enabled) {
-        glEnable(GL_FRAMEBUFFER_SRGB);
-    } else {
-        glDisable(GL_FRAMEBUFFER_SRGB);
-    }
-}
-
-void OpenGLState::ApplyCulling() {
-    Enable(GL_CULL_FACE, cur_state.cull.enabled, cull.enabled);
-
-    if (UpdateValue(cur_state.cull.mode, cull.mode)) {
-        glCullFace(cull.mode);
-    }
-
-    if (UpdateValue(cur_state.cull.front_face, cull.front_face)) {
-        glFrontFace(cull.front_face);
-    }
-}
-
-void OpenGLState::ApplyRasterizerDiscard() {
-    Enable(GL_RASTERIZER_DISCARD, cur_state.rasterizer_discard, rasterizer_discard);
-}
-
-void OpenGLState::ApplyColorMask() {
-    if (!dirty.color_mask) {
-        return;
-    }
-    dirty.color_mask = false;
-
-    for (std::size_t i = 0; i < Maxwell::NumRenderTargets; ++i) {
-        const auto& updated = color_mask[i];
-        auto& current = cur_state.color_mask[i];
-        if (updated.red_enabled != current.red_enabled ||
-            updated.green_enabled != current.green_enabled ||
-            updated.blue_enabled != current.blue_enabled ||
-            updated.alpha_enabled != current.alpha_enabled) {
-            current = updated;
-            glColorMaski(static_cast<GLuint>(i), updated.red_enabled, updated.green_enabled,
-                         updated.blue_enabled, updated.alpha_enabled);
-        }
-    }
-}
-
-void OpenGLState::ApplyDepth() {
-    Enable(GL_DEPTH_TEST, cur_state.depth.test_enabled, depth.test_enabled);
-
-    if (cur_state.depth.test_func != depth.test_func) {
-        cur_state.depth.test_func = depth.test_func;
-        glDepthFunc(depth.test_func);
-    }
-
-    if (cur_state.depth.write_mask != depth.write_mask) {
-        cur_state.depth.write_mask = depth.write_mask;
-        glDepthMask(depth.write_mask);
-    }
-}
-
-void OpenGLState::ApplyPrimitiveRestart() {
-    Enable(GL_PRIMITIVE_RESTART, cur_state.primitive_restart.enabled, primitive_restart.enabled);
-
-    if (cur_state.primitive_restart.index != primitive_restart.index) {
-        cur_state.primitive_restart.index = primitive_restart.index;
-        glPrimitiveRestartIndex(primitive_restart.index);
-    }
-}
-
-void OpenGLState::ApplyStencilTest() {
-    if (!dirty.stencil_state) {
-        return;
-    }
-    dirty.stencil_state = false;
-
-    Enable(GL_STENCIL_TEST, cur_state.stencil.test_enabled, stencil.test_enabled);
-
-    const auto ConfigStencil = [](GLenum face, const auto& config, auto& current) {
-        if (current.test_func != config.test_func || current.test_ref != config.test_ref ||
-            current.test_mask != config.test_mask) {
-            current.test_func = config.test_func;
-            current.test_ref = config.test_ref;
-            current.test_mask = config.test_mask;
-            glStencilFuncSeparate(face, config.test_func, config.test_ref, config.test_mask);
-        }
-        if (current.action_depth_fail != config.action_depth_fail ||
-            current.action_depth_pass != config.action_depth_pass ||
-            current.action_stencil_fail != config.action_stencil_fail) {
-            current.action_depth_fail = config.action_depth_fail;
-            current.action_depth_pass = config.action_depth_pass;
-            current.action_stencil_fail = config.action_stencil_fail;
-            glStencilOpSeparate(face, config.action_stencil_fail, config.action_depth_fail,
-                                config.action_depth_pass);
-        }
-        if (current.write_mask != config.write_mask) {
-            current.write_mask = config.write_mask;
-            glStencilMaskSeparate(face, config.write_mask);
-        }
-    };
-    ConfigStencil(GL_FRONT, stencil.front, cur_state.stencil.front);
-    ConfigStencil(GL_BACK, stencil.back, cur_state.stencil.back);
-}
-
-void OpenGLState::ApplyViewport() {
-    for (GLuint i = 0; i < static_cast<GLuint>(Maxwell::NumViewports); ++i) {
-        const auto& updated = viewports[i];
-        auto& current = cur_state.viewports[i];
-
-        if (current.x != updated.x || current.y != updated.y || current.width != updated.width ||
-            current.height != updated.height) {
-            current.x = updated.x;
-            current.y = updated.y;
-            current.width = updated.width;
-            current.height = updated.height;
-            glViewportIndexedf(i, static_cast<GLfloat>(updated.x), static_cast<GLfloat>(updated.y),
-                               static_cast<GLfloat>(updated.width),
-                               static_cast<GLfloat>(updated.height));
-        }
-        if (current.depth_range_near != updated.depth_range_near ||
-            current.depth_range_far != updated.depth_range_far) {
-            current.depth_range_near = updated.depth_range_near;
-            current.depth_range_far = updated.depth_range_far;
-            glDepthRangeIndexed(i, updated.depth_range_near, updated.depth_range_far);
-        }
-
-        Enable(GL_SCISSOR_TEST, i, current.scissor.enabled, updated.scissor.enabled);
-
-        if (current.scissor.x != updated.scissor.x || current.scissor.y != updated.scissor.y ||
-            current.scissor.width != updated.scissor.width ||
-            current.scissor.height != updated.scissor.height) {
-            current.scissor.x = updated.scissor.x;
-            current.scissor.y = updated.scissor.y;
-            current.scissor.width = updated.scissor.width;
-            current.scissor.height = updated.scissor.height;
-            glScissorIndexed(i, updated.scissor.x, updated.scissor.y, updated.scissor.width,
-                             updated.scissor.height);
-        }
-    }
-}
-
-void OpenGLState::ApplyGlobalBlending() {
-    const Blend& updated = blend[0];
-    Blend& current = cur_state.blend[0];
-
-    Enable(GL_BLEND, current.enabled, updated.enabled);
-
-    if (current.src_rgb_func != updated.src_rgb_func ||
-        current.dst_rgb_func != updated.dst_rgb_func || current.src_a_func != updated.src_a_func ||
-        current.dst_a_func != updated.dst_a_func) {
-        current.src_rgb_func = updated.src_rgb_func;
-        current.dst_rgb_func = updated.dst_rgb_func;
-        current.src_a_func = updated.src_a_func;
-        current.dst_a_func = updated.dst_a_func;
-        glBlendFuncSeparate(updated.src_rgb_func, updated.dst_rgb_func, updated.src_a_func,
-                            updated.dst_a_func);
-    }
-
-    if (current.rgb_equation != updated.rgb_equation || current.a_equation != updated.a_equation) {
-        current.rgb_equation = updated.rgb_equation;
-        current.a_equation = updated.a_equation;
-        glBlendEquationSeparate(updated.rgb_equation, updated.a_equation);
-    }
-}
-
-void OpenGLState::ApplyTargetBlending(std::size_t target, bool force) {
-    const Blend& updated = blend[target];
-    Blend& current = cur_state.blend[target];
-
-    if (current.enabled != updated.enabled || force) {
-        current.enabled = updated.enabled;
-        Enable(GL_BLEND, static_cast<GLuint>(target), updated.enabled);
-    }
-
-    if (UpdateTie(std::tie(current.src_rgb_func, current.dst_rgb_func, current.src_a_func,
-                           current.dst_a_func),
-                  std::tie(updated.src_rgb_func, updated.dst_rgb_func, updated.src_a_func,
-                           updated.dst_a_func))) {
-        glBlendFuncSeparatei(static_cast<GLuint>(target), updated.src_rgb_func,
-                             updated.dst_rgb_func, updated.src_a_func, updated.dst_a_func);
-    }
-
-    if (UpdateTie(std::tie(current.rgb_equation, current.a_equation),
-                  std::tie(updated.rgb_equation, updated.a_equation))) {
-        glBlendEquationSeparatei(static_cast<GLuint>(target), updated.rgb_equation,
-                                 updated.a_equation);
-    }
-}
-
-void OpenGLState::ApplyBlending() {
-    if (!dirty.blend_state) {
-        return;
-    }
-    dirty.blend_state = false;
-
-    if (independant_blend.enabled) {
-        const bool force = independant_blend.enabled != cur_state.independant_blend.enabled;
-        for (std::size_t target = 0; target < Maxwell::NumRenderTargets; ++target) {
-            ApplyTargetBlending(target, force);
-        }
-    } else {
-        ApplyGlobalBlending();
-    }
-    cur_state.independant_blend.enabled = independant_blend.enabled;
-
-    if (UpdateTie(
-            std::tie(cur_state.blend_color.red, cur_state.blend_color.green,
-                     cur_state.blend_color.blue, cur_state.blend_color.alpha),
-            std::tie(blend_color.red, blend_color.green, blend_color.blue, blend_color.alpha))) {
-        glBlendColor(blend_color.red, blend_color.green, blend_color.blue, blend_color.alpha);
-    }
-}
-
-void OpenGLState::ApplyLogicOp() {
-    Enable(GL_COLOR_LOGIC_OP, cur_state.logic_op.enabled, logic_op.enabled);
-
-    if (UpdateValue(cur_state.logic_op.operation, logic_op.operation)) {
-        glLogicOp(logic_op.operation);
-    }
-}
-
-void OpenGLState::ApplyPolygonOffset() {
-    if (!dirty.polygon_offset) {
-        return;
-    }
-    dirty.polygon_offset = false;
-
-    Enable(GL_POLYGON_OFFSET_FILL, cur_state.polygon_offset.fill_enable,
-           polygon_offset.fill_enable);
-    Enable(GL_POLYGON_OFFSET_LINE, cur_state.polygon_offset.line_enable,
-           polygon_offset.line_enable);
-    Enable(GL_POLYGON_OFFSET_POINT, cur_state.polygon_offset.point_enable,
-           polygon_offset.point_enable);
-
-    if (UpdateTie(std::tie(cur_state.polygon_offset.factor, cur_state.polygon_offset.units,
-                           cur_state.polygon_offset.clamp),
-                  std::tie(polygon_offset.factor, polygon_offset.units, polygon_offset.clamp))) {
-        if (GLAD_GL_EXT_polygon_offset_clamp && polygon_offset.clamp != 0) {
-            glPolygonOffsetClamp(polygon_offset.factor, polygon_offset.units, polygon_offset.clamp);
-        } else {
-            UNIMPLEMENTED_IF_MSG(polygon_offset.clamp != 0,
-                                 "Unimplemented Depth polygon offset clamp.");
-            glPolygonOffset(polygon_offset.factor, polygon_offset.units);
-        }
-    }
-}
-
-void OpenGLState::ApplyAlphaTest() {
-    Enable(GL_ALPHA_TEST, cur_state.alpha_test.enabled, alpha_test.enabled);
-    if (UpdateTie(std::tie(cur_state.alpha_test.func, cur_state.alpha_test.ref),
-                  std::tie(alpha_test.func, alpha_test.ref))) {
-        glAlphaFunc(alpha_test.func, alpha_test.ref);
-    }
-}
-
-void OpenGLState::ApplyClipControl() {
-    if (UpdateTie(std::tie(cur_state.clip_control.origin, cur_state.clip_control.depth_mode),
-                  std::tie(clip_control.origin, clip_control.depth_mode))) {
-        glClipControl(clip_control.origin, clip_control.depth_mode);
-    }
-}
-
-void OpenGLState::ApplyRenderBuffer() {
-    if (cur_state.renderbuffer != renderbuffer) {
-        cur_state.renderbuffer = renderbuffer;
-        glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer);
-    }
-}
-
-void OpenGLState::ApplyTextures() {
-    const std::size_t size = std::size(textures);
-    for (std::size_t i = 0; i < size; ++i) {
-        if (UpdateValue(cur_state.textures[i], textures[i])) {
-            // BindTextureUnit doesn't support binding null textures, skip those binds.
-            // TODO(Rodrigo): Stop using null textures
-            if (textures[i] != 0) {
-                glBindTextureUnit(static_cast<GLuint>(i), textures[i]);
-            }
-        }
-    }
-}
-
-void OpenGLState::ApplySamplers() {
-    const std::size_t size = std::size(samplers);
-    for (std::size_t i = 0; i < size; ++i) {
-        if (UpdateValue(cur_state.samplers[i], samplers[i])) {
-            glBindSampler(static_cast<GLuint>(i), samplers[i]);
-        }
-    }
-}
-
-void OpenGLState::ApplyImages() {
-    if (const auto update = UpdateArray(cur_state.images, images)) {
-        glBindImageTextures(update->first, update->second, images.data() + update->first);
-    }
-}
-
-void OpenGLState::Apply() {
-    MICROPROFILE_SCOPE(OpenGL_State);
-    ApplyFramebufferState();
-    ApplyVertexArrayState();
-    ApplyShaderProgram();
-    ApplyProgramPipeline();
-    ApplyClipDistances();
-    ApplyPointSize();
-    ApplyFragmentColorClamp();
-    ApplyMultisample();
-    ApplyRasterizerDiscard();
-    ApplyColorMask();
-    ApplyDepthClamp();
-    ApplyViewport();
-    ApplyStencilTest();
-    ApplySRgb();
-    ApplyCulling();
-    ApplyDepth();
-    ApplyPrimitiveRestart();
-    ApplyBlending();
-    ApplyLogicOp();
-    ApplyTextures();
-    ApplySamplers();
-    ApplyImages();
-    ApplyPolygonOffset();
-    ApplyAlphaTest();
-    ApplyClipControl();
-    ApplyRenderBuffer();
-}
-
-void OpenGLState::EmulateViewportWithScissor() {
-    auto& current = viewports[0];
-    if (current.scissor.enabled) {
-        const GLint left = std::max(current.x, current.scissor.x);
-        const GLint right =
-            std::max(current.x + current.width, current.scissor.x + current.scissor.width);
-        const GLint bottom = std::max(current.y, current.scissor.y);
-        const GLint top =
-            std::max(current.y + current.height, current.scissor.y + current.scissor.height);
-        current.scissor.x = std::max(left, 0);
-        current.scissor.y = std::max(bottom, 0);
-        current.scissor.width = std::max(right - left, 0);
-        current.scissor.height = std::max(top - bottom, 0);
-    } else {
-        current.scissor.enabled = true;
-        current.scissor.x = current.x;
-        current.scissor.y = current.y;
-        current.scissor.width = current.width;
-        current.scissor.height = current.height;
-    }
-}
-
-OpenGLState& OpenGLState::UnbindTexture(GLuint handle) {
-    for (auto& texture : textures) {
-        if (texture == handle) {
-            texture = 0;
-        }
-    }
-    return *this;
-}
-
-OpenGLState& OpenGLState::ResetSampler(GLuint handle) {
-    for (auto& sampler : samplers) {
-        if (sampler == handle) {
-            sampler = 0;
-        }
-    }
-    return *this;
-}
-
-OpenGLState& OpenGLState::ResetProgram(GLuint handle) {
-    if (draw.shader_program == handle) {
-        draw.shader_program = 0;
-    }
-    return *this;
-}
-
-OpenGLState& OpenGLState::ResetPipeline(GLuint handle) {
-    if (draw.program_pipeline == handle) {
-        draw.program_pipeline = 0;
-    }
-    return *this;
-}
-
-OpenGLState& OpenGLState::ResetVertexArray(GLuint handle) {
-    if (draw.vertex_array == handle) {
-        draw.vertex_array = 0;
-    }
-    return *this;
-}
-
-OpenGLState& OpenGLState::ResetFramebuffer(GLuint handle) {
-    if (draw.read_framebuffer == handle) {
-        draw.read_framebuffer = 0;
-    }
-    if (draw.draw_framebuffer == handle) {
-        draw.draw_framebuffer = 0;
-    }
-    return *this;
-}
-
-OpenGLState& OpenGLState::ResetRenderbuffer(GLuint handle) {
-    if (renderbuffer == handle) {
-        renderbuffer = 0;
-    }
-    return *this;
-}
-
-} // namespace OpenGL

src/video_core/renderer_opengl/gl_state.h

@@ -1,251 +0,0 @@
-// Copyright 2015 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <type_traits>
-#include <glad/glad.h>
-#include "video_core/engines/maxwell_3d.h"
-
-namespace OpenGL {
-
-class OpenGLState {
-public:
-    struct {
-        bool enabled = false; // GL_FRAMEBUFFER_SRGB
-    } framebuffer_srgb;
-
-    struct {
-        bool alpha_to_coverage = false; // GL_ALPHA_TO_COVERAGE
-        bool alpha_to_one = false;      // GL_ALPHA_TO_ONE
-    } multisample_control;
-
-    struct {
-        bool enabled = false; // GL_CLAMP_FRAGMENT_COLOR_ARB
-    } fragment_color_clamp;
-
-    struct {
-        bool far_plane = false;
-        bool near_plane = false;
-    } depth_clamp; // GL_DEPTH_CLAMP
-
-    struct {
-        bool enabled = false;       // GL_CULL_FACE
-        GLenum mode = GL_BACK;      // GL_CULL_FACE_MODE
-        GLenum front_face = GL_CCW; // GL_FRONT_FACE
-    } cull;
-
-    struct {
-        bool test_enabled = false;      // GL_DEPTH_TEST
-        GLboolean write_mask = GL_TRUE; // GL_DEPTH_WRITEMASK
-        GLenum test_func = GL_LESS;     // GL_DEPTH_FUNC
-    } depth;
-
-    struct {
-        bool enabled = false;
-        GLuint index = 0;
-    } primitive_restart; // GL_PRIMITIVE_RESTART
-
-    bool rasterizer_discard = false; // GL_RASTERIZER_DISCARD
-
-    struct ColorMask {
-        GLboolean red_enabled = GL_TRUE;
-        GLboolean green_enabled = GL_TRUE;
-        GLboolean blue_enabled = GL_TRUE;
-        GLboolean alpha_enabled = GL_TRUE;
-    };
-    std::array<ColorMask, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets>
-        color_mask; // GL_COLOR_WRITEMASK
-
-    struct {
-        bool test_enabled = false; // GL_STENCIL_TEST
-        struct {
-            GLenum test_func = GL_ALWAYS;         // GL_STENCIL_FUNC
-            GLint test_ref = 0;                   // GL_STENCIL_REF
-            GLuint test_mask = 0xFFFFFFFF;        // GL_STENCIL_VALUE_MASK
-            GLuint write_mask = 0xFFFFFFFF;       // GL_STENCIL_WRITEMASK
-            GLenum action_stencil_fail = GL_KEEP; // GL_STENCIL_FAIL
-            GLenum action_depth_fail = GL_KEEP;   // GL_STENCIL_PASS_DEPTH_FAIL
-            GLenum action_depth_pass = GL_KEEP;   // GL_STENCIL_PASS_DEPTH_PASS
-        } front, back;
-    } stencil;
-
-    struct Blend {
-        bool enabled = false;              // GL_BLEND
-        GLenum rgb_equation = GL_FUNC_ADD; // GL_BLEND_EQUATION_RGB
-        GLenum a_equation = GL_FUNC_ADD;   // GL_BLEND_EQUATION_ALPHA
-        GLenum src_rgb_func = GL_ONE;      // GL_BLEND_SRC_RGB
-        GLenum dst_rgb_func = GL_ZERO;     // GL_BLEND_DST_RGB
-        GLenum src_a_func = GL_ONE;        // GL_BLEND_SRC_ALPHA
-        GLenum dst_a_func = GL_ZERO;       // GL_BLEND_DST_ALPHA
-    };
-    std::array<Blend, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> blend;
-
-    struct {
-        bool enabled = false;
-    } independant_blend;
-
-    struct {
-        GLclampf red = 0.0f;
-        GLclampf green = 0.0f;
-        GLclampf blue = 0.0f;
-        GLclampf alpha = 0.0f;
-    } blend_color; // GL_BLEND_COLOR
-
-    struct {
-        bool enabled = false; // GL_LOGIC_OP_MODE
-        GLenum operation = GL_COPY;
-    } logic_op;
-
-    static constexpr std::size_t NumSamplers = 32 * 5;
-    static constexpr std::size_t NumImages = 8 * 5;
-    std::array<GLuint, NumSamplers> textures = {};
-    std::array<GLuint, NumSamplers> samplers = {};
-    std::array<GLuint, NumImages> images = {};
-
-    struct {
-        GLuint read_framebuffer = 0; // GL_READ_FRAMEBUFFER_BINDING
-        GLuint draw_framebuffer = 0; // GL_DRAW_FRAMEBUFFER_BINDING
-        GLuint vertex_array = 0;     // GL_VERTEX_ARRAY_BINDING
-        GLuint shader_program = 0;   // GL_CURRENT_PROGRAM
-        GLuint program_pipeline = 0; // GL_PROGRAM_PIPELINE_BINDING
-    } draw;
-
-    struct Viewport {
-        GLint x = 0;
-        GLint y = 0;
-        GLint width = 0;
-        GLint height = 0;
-        GLfloat depth_range_near = 0.0f; // GL_DEPTH_RANGE
-        GLfloat depth_range_far = 1.0f;  // GL_DEPTH_RANGE
-        struct {
-            bool enabled = false; // GL_SCISSOR_TEST
-            GLint x = 0;
-            GLint y = 0;
-            GLsizei width = 0;
-            GLsizei height = 0;
-        } scissor;
-    };
-    std::array<Viewport, Tegra::Engines::Maxwell3D::Regs::NumViewports> viewports;
-
-    struct {
-        bool program_control = false; // GL_PROGRAM_POINT_SIZE
-        bool sprite = false;          // GL_POINT_SPRITE
-        GLfloat size = 1.0f;          // GL_POINT_SIZE
-    } point;
-
-    struct {
-        bool point_enable = false;
-        bool line_enable = false;
-        bool fill_enable = false;
-        GLfloat units = 0.0f;
-        GLfloat factor = 0.0f;
-        GLfloat clamp = 0.0f;
-    } polygon_offset;
-
-    struct {
-        bool enabled = false;    // GL_ALPHA_TEST
-        GLenum func = GL_ALWAYS; // GL_ALPHA_TEST_FUNC
-        GLfloat ref = 0.0f;      // GL_ALPHA_TEST_REF
-    } alpha_test;
-
-    std::array<bool, 8> clip_distance = {}; // GL_CLIP_DISTANCE
-
-    struct {
-        GLenum origin = GL_LOWER_LEFT;
-        GLenum depth_mode = GL_NEGATIVE_ONE_TO_ONE;
-    } clip_control;
-
-    GLuint renderbuffer{}; // GL_RENDERBUFFER_BINDING
-
-    OpenGLState();
-
-    /// Get the currently active OpenGL state
-    static OpenGLState GetCurState() {
-        return cur_state;
-    }
-
-    void SetDefaultViewports();
-    /// Apply this state as the current OpenGL state
-    void Apply();
-
-    void ApplyFramebufferState();
-    void ApplyVertexArrayState();
-    void ApplyShaderProgram();
-    void ApplyProgramPipeline();
-    void ApplyClipDistances();
-    void ApplyPointSize();
-    void ApplyFragmentColorClamp();
-    void ApplyMultisample();
-    void ApplySRgb();
-    void ApplyCulling();
-    void ApplyRasterizerDiscard();
-    void ApplyColorMask();
-    void ApplyDepth();
-    void ApplyPrimitiveRestart();
-    void ApplyStencilTest();
-    void ApplyViewport();
-    void ApplyTargetBlending(std::size_t target, bool force);
-    void ApplyGlobalBlending();
-    void ApplyBlending();
-    void ApplyLogicOp();
-    void ApplyTextures();
-    void ApplySamplers();
-    void ApplyImages();
-    void ApplyDepthClamp();
-    void ApplyPolygonOffset();
-    void ApplyAlphaTest();
-    void ApplyClipControl();
-    void ApplyRenderBuffer();
-
-    /// Resets any references to the given resource
-    OpenGLState& UnbindTexture(GLuint handle);
-    OpenGLState& ResetSampler(GLuint handle);
-    OpenGLState& ResetProgram(GLuint handle);
-    OpenGLState& ResetPipeline(GLuint handle);
-    OpenGLState& ResetVertexArray(GLuint handle);
-    OpenGLState& ResetFramebuffer(GLuint handle);
-    OpenGLState& ResetRenderbuffer(GLuint handle);
-
-    /// Viewport does not affects glClearBuffer so emulate viewport using scissor test
-    void EmulateViewportWithScissor();
-
-    void MarkDirtyBlendState() {
-        dirty.blend_state = true;
-    }
-
-    void MarkDirtyStencilState() {
-        dirty.stencil_state = true;
-    }
-
-    void MarkDirtyPolygonOffset() {
-        dirty.polygon_offset = true;
-    }
-
-    void MarkDirtyColorMask() {
-        dirty.color_mask = true;
-    }
-
-    void AllDirty() {
-        dirty.blend_state = true;
-        dirty.stencil_state = true;
-        dirty.polygon_offset = true;
-        dirty.color_mask = true;
-    }
-
-private:
-    static OpenGLState cur_state;
-
-    struct {
-        bool blend_state;
-        bool stencil_state;
-        bool viewport_state;
-        bool polygon_offset;
-        bool color_mask;
-    } dirty{};
-};
-static_assert(std::is_trivially_copyable_v<OpenGLState>);
-
-} // namespace OpenGL

src/video_core/renderer_opengl/gl_state_tracker.cpp

@@ -0,0 +1,238 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <array>
+#include <cstddef>
+
+#include "common/common_types.h"
+#include "core/core.h"
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/gpu.h"
+#include "video_core/renderer_opengl/gl_state_tracker.h"
+
+#define OFF(field_name) MAXWELL3D_REG_INDEX(field_name)
+#define NUM(field_name) (sizeof(Maxwell3D::Regs::field_name) / sizeof(u32))
+
+namespace OpenGL {
+
+namespace {
+
+using namespace Dirty;
+using namespace VideoCommon::Dirty;
+using Tegra::Engines::Maxwell3D;
+using Regs = Maxwell3D::Regs;
+using Tables = Maxwell3D::DirtyState::Tables;
+using Table = Maxwell3D::DirtyState::Table;
+
+void SetupDirtyColorMasks(Tables& tables) {
+    tables[0][OFF(color_mask_common)] = ColorMaskCommon;
+    for (std::size_t rt = 0; rt < Regs::NumRenderTargets; ++rt) {
+        const std::size_t offset = OFF(color_mask) + rt * NUM(color_mask[0]);
+        FillBlock(tables[0], offset, NUM(color_mask[0]), ColorMask0 + rt);
+    }
+
+    FillBlock(tables[1], OFF(color_mask), NUM(color_mask), ColorMasks);
+}
+
+void SetupDirtyVertexArrays(Tables& tables) {
+    static constexpr std::size_t num_array = 3;
+    static constexpr std::size_t instance_base_offset = 3;
+    for (std::size_t i = 0; i < Regs::NumVertexArrays; ++i) {
+        const std::size_t array_offset = OFF(vertex_array) + i * NUM(vertex_array[0]);
+        const std::size_t limit_offset = OFF(vertex_array_limit) + i * NUM(vertex_array_limit[0]);
+
+        FillBlock(tables, array_offset, num_array, VertexBuffer0 + i, VertexBuffers);
+        FillBlock(tables, limit_offset, NUM(vertex_array_limit), VertexBuffer0 + i, VertexBuffers);
+
+        const std::size_t instance_array_offset = array_offset + instance_base_offset;
+        tables[0][instance_array_offset] = static_cast<u8>(VertexInstance0 + i);
+        tables[1][instance_array_offset] = VertexInstances;
+
+        const std::size_t instance_offset = OFF(instanced_arrays) + i;
+        tables[0][instance_offset] = static_cast<u8>(VertexInstance0 + i);
+        tables[1][instance_offset] = VertexInstances;
+    }
+}
+
+void SetupDirtyVertexFormat(Tables& tables) {
+    for (std::size_t i = 0; i < Regs::NumVertexAttributes; ++i) {
+        const std::size_t offset = OFF(vertex_attrib_format) + i * NUM(vertex_attrib_format[0]);
+        FillBlock(tables[0], offset, NUM(vertex_attrib_format[0]), VertexFormat0 + i);
+    }
+
+    FillBlock(tables[1], OFF(vertex_attrib_format), Regs::NumVertexAttributes, VertexFormats);
+}
+
+void SetupDirtyViewports(Tables& tables) {
+    for (std::size_t i = 0; i < Regs::NumViewports; ++i) {
+        const std::size_t transf_offset = OFF(viewport_transform) + i * NUM(viewport_transform[0]);
+        const std::size_t viewport_offset = OFF(viewports) + i * NUM(viewports[0]);
+
+        FillBlock(tables[0], transf_offset, NUM(viewport_transform[0]), Viewport0 + i);
+        FillBlock(tables[0], viewport_offset, NUM(viewports[0]), Viewport0 + i);
+    }
+
+    FillBlock(tables[1], OFF(viewport_transform), NUM(viewport_transform), Viewports);
+    FillBlock(tables[1], OFF(viewports), NUM(viewports), Viewports);
+
+    tables[0][OFF(viewport_transform_enabled)] = ViewportTransform;
+    tables[1][OFF(viewport_transform_enabled)] = Viewports;
+}
+
+void SetupDirtyScissors(Tables& tables) {
+    for (std::size_t i = 0; i < Regs::NumViewports; ++i) {
+        const std::size_t offset = OFF(scissor_test) + i * NUM(scissor_test[0]);
+        FillBlock(tables[0], offset, NUM(scissor_test[0]), Scissor0 + i);
+    }
+    FillBlock(tables[1], OFF(scissor_test), NUM(scissor_test), Scissors);
+}
+
+void SetupDirtyShaders(Tables& tables) {
+    FillBlock(tables[0], OFF(shader_config[0]), NUM(shader_config[0]) * Regs::MaxShaderProgram,
+              Shaders);
+}
+
+void SetupDirtyDepthTest(Tables& tables) {
+    auto& table = tables[0];
+    table[OFF(depth_test_enable)] = DepthTest;
+    table[OFF(depth_write_enabled)] = DepthMask;
+    table[OFF(depth_test_func)] = DepthTest;
+}
+
+void SetupDirtyStencilTest(Tables& tables) {
+    static constexpr std::array offsets = {
+        OFF(stencil_enable),          OFF(stencil_front_func_func), OFF(stencil_front_func_ref),
+        OFF(stencil_front_func_mask), OFF(stencil_front_op_fail),   OFF(stencil_front_op_zfail),
+        OFF(stencil_front_op_zpass),  OFF(stencil_front_mask),      OFF(stencil_two_side_enable),
+        OFF(stencil_back_func_func),  OFF(stencil_back_func_ref),   OFF(stencil_back_func_mask),
+        OFF(stencil_back_op_fail),    OFF(stencil_back_op_zfail),   OFF(stencil_back_op_zpass),
+        OFF(stencil_back_mask)};
+    for (const auto offset : offsets) {
+        tables[0][offset] = StencilTest;
+    }
+}
+
+void SetupDirtyAlphaTest(Tables& tables) {
+    auto& table = tables[0];
+    table[OFF(alpha_test_ref)] = AlphaTest;
+    table[OFF(alpha_test_func)] = AlphaTest;
+    table[OFF(alpha_test_enabled)] = AlphaTest;
+}
+
+void SetupDirtyBlend(Tables& tables) {
+    FillBlock(tables[0], OFF(blend_color), NUM(blend_color), BlendColor);
+
+    tables[0][OFF(independent_blend_enable)] = BlendIndependentEnabled;
+
+    for (std::size_t i = 0; i < Regs::NumRenderTargets; ++i) {
+        const std::size_t offset = OFF(independent_blend) + i * NUM(independent_blend[0]);
+        FillBlock(tables[0], offset, NUM(independent_blend[0]), BlendState0 + i);
+
+        tables[0][OFF(blend.enable) + i] = static_cast<u8>(BlendState0 + i);
+    }
+    FillBlock(tables[1], OFF(independent_blend), NUM(independent_blend), BlendStates);
+    FillBlock(tables[1], OFF(blend), NUM(blend), BlendStates);
+}
+
+void SetupDirtyPrimitiveRestart(Tables& tables) {
+    FillBlock(tables[0], OFF(primitive_restart), NUM(primitive_restart), PrimitiveRestart);
+}
+
+void SetupDirtyPolygonOffset(Tables& tables) {
+    auto& table = tables[0];
+    table[OFF(polygon_offset_fill_enable)] = PolygonOffset;
+    table[OFF(polygon_offset_line_enable)] = PolygonOffset;
+    table[OFF(polygon_offset_point_enable)] = PolygonOffset;
+    table[OFF(polygon_offset_factor)] = PolygonOffset;
+    table[OFF(polygon_offset_units)] = PolygonOffset;
+    table[OFF(polygon_offset_clamp)] = PolygonOffset;
+}
+
+void SetupDirtyMultisampleControl(Tables& tables) {
+    FillBlock(tables[0], OFF(multisample_control), NUM(multisample_control), MultisampleControl);
+}
+
+void SetupDirtyRasterizeEnable(Tables& tables) {
+    tables[0][OFF(rasterize_enable)] = RasterizeEnable;
+}
+
+void SetupDirtyFramebufferSRGB(Tables& tables) {
+    tables[0][OFF(framebuffer_srgb)] = FramebufferSRGB;
+}
+
+void SetupDirtyLogicOp(Tables& tables) {
+    FillBlock(tables[0], OFF(logic_op), NUM(logic_op), LogicOp);
+}
+
+void SetupDirtyFragmentClampColor(Tables& tables) {
+    tables[0][OFF(frag_color_clamp)] = FragmentClampColor;
+}
+
+void SetupDirtyPointSize(Tables& tables) {
+    tables[0][OFF(vp_point_size)] = PointSize;
+    tables[0][OFF(point_size)] = PointSize;
+    tables[0][OFF(point_sprite_enable)] = PointSize;
+}
+
+void SetupDirtyClipControl(Tables& tables) {
+    auto& table = tables[0];
+    table[OFF(screen_y_control)] = ClipControl;
+    table[OFF(depth_mode)] = ClipControl;
+}
+
+void SetupDirtyDepthClampEnabled(Tables& tables) {
+    tables[0][OFF(view_volume_clip_control)] = DepthClampEnabled;
+}
+
+void SetupDirtyMisc(Tables& tables) {
+    auto& table = tables[0];
+
+    table[OFF(clip_distance_enabled)] = ClipDistances;
+
+    table[OFF(front_face)] = FrontFace;
+
+    table[OFF(cull_test_enabled)] = CullTest;
+    table[OFF(cull_face)] = CullTest;
+}
+
+} // Anonymous namespace
+
+StateTracker::StateTracker(Core::System& system) : system{system} {}
+
+void StateTracker::Initialize() {
+    auto& dirty = system.GPU().Maxwell3D().dirty;
+    auto& tables = dirty.tables;
+    SetupDirtyRenderTargets(tables);
+    SetupDirtyColorMasks(tables);
+    SetupDirtyViewports(tables);
+    SetupDirtyScissors(tables);
+    SetupDirtyVertexArrays(tables);
+    SetupDirtyVertexFormat(tables);
+    SetupDirtyShaders(tables);
+    SetupDirtyDepthTest(tables);
+    SetupDirtyStencilTest(tables);
+    SetupDirtyAlphaTest(tables);
+    SetupDirtyBlend(tables);
+    SetupDirtyPrimitiveRestart(tables);
+    SetupDirtyPolygonOffset(tables);
+    SetupDirtyMultisampleControl(tables);
+    SetupDirtyRasterizeEnable(tables);
+    SetupDirtyFramebufferSRGB(tables);
+    SetupDirtyLogicOp(tables);
+    SetupDirtyFragmentClampColor(tables);
+    SetupDirtyPointSize(tables);
+    SetupDirtyClipControl(tables);
+    SetupDirtyDepthClampEnabled(tables);
+    SetupDirtyMisc(tables);
+
+    auto& store = dirty.on_write_stores;
+    SetupCommonOnWriteStores(store);
+    store[VertexBuffers] = true;
+    for (std::size_t i = 0; i < Regs::NumVertexArrays; ++i) {
+        store[VertexBuffer0 + i] = true;
+    }
+}
+
+} // namespace OpenGL

src/video_core/renderer_opengl/gl_state_tracker.h

@@ -0,0 +1,204 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <limits>
+
+#include <glad/glad.h>
+
+#include "common/common_types.h"
+#include "core/core.h"
+#include "video_core/dirty_flags.h"
+#include "video_core/engines/maxwell_3d.h"
+
+namespace Core {
+class System;
+}
+
+namespace OpenGL {
+
+namespace Dirty {
+
+enum : u8 {
+    First = VideoCommon::Dirty::LastCommonEntry,
+
+    VertexFormats,
+    VertexFormat0,
+    VertexFormat31 = VertexFormat0 + 31,
+
+    VertexBuffers,
+    VertexBuffer0,
+    VertexBuffer31 = VertexBuffer0 + 31,
+
+    VertexInstances,
+    VertexInstance0,
+    VertexInstance31 = VertexInstance0 + 31,
+
+    ViewportTransform,
+    Viewports,
+    Viewport0,
+    Viewport15 = Viewport0 + 15,
+
+    Scissors,
+    Scissor0,
+    Scissor15 = Scissor0 + 15,
+
+    ColorMaskCommon,
+    ColorMasks,
+    ColorMask0,
+    ColorMask7 = ColorMask0 + 7,
+
+    BlendColor,
+    BlendIndependentEnabled,
+    BlendStates,
+    BlendState0,
+    BlendState7 = BlendState0 + 7,
+
+    Shaders,
+    ClipDistances,
+
+    ColorMask,
+    FrontFace,
+    CullTest,
+    DepthMask,
+    DepthTest,
+    StencilTest,
+    AlphaTest,
+    PrimitiveRestart,
+    PolygonOffset,
+    MultisampleControl,
+    RasterizeEnable,
+    FramebufferSRGB,
+    LogicOp,
+    FragmentClampColor,
+    PointSize,
+    ClipControl,
+    DepthClampEnabled,
+
+    Last
+};
+static_assert(Last <= std::numeric_limits<u8>::max());
+
+} // namespace Dirty
+
+class StateTracker {
+public:
+    explicit StateTracker(Core::System& system);
+
+    void Initialize();
+
+    void BindIndexBuffer(GLuint new_index_buffer) {
+        if (index_buffer == new_index_buffer) {
+            return;
+        }
+        index_buffer = new_index_buffer;
+        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, new_index_buffer);
+    }
+
+    void NotifyScreenDrawVertexArray() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::VertexFormats] = true;
+        flags[OpenGL::Dirty::VertexFormat0 + 0] = true;
+        flags[OpenGL::Dirty::VertexFormat0 + 1] = true;
+
+        flags[OpenGL::Dirty::VertexBuffers] = true;
+        flags[OpenGL::Dirty::VertexBuffer0] = true;
+
+        flags[OpenGL::Dirty::VertexInstances] = true;
+        flags[OpenGL::Dirty::VertexInstance0 + 0] = true;
+        flags[OpenGL::Dirty::VertexInstance0 + 1] = true;
+    }
+
+    void NotifyViewport0() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::Viewports] = true;
+        flags[OpenGL::Dirty::Viewport0] = true;
+    }
+
+    void NotifyScissor0() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::Scissors] = true;
+        flags[OpenGL::Dirty::Scissor0] = true;
+    }
+
+    void NotifyColorMask0() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::ColorMasks] = true;
+        flags[OpenGL::Dirty::ColorMask0] = true;
+    }
+
+    void NotifyBlend0() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::BlendStates] = true;
+        flags[OpenGL::Dirty::BlendState0] = true;
+    }
+
+    void NotifyFramebuffer() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[VideoCommon::Dirty::RenderTargets] = true;
+    }
+
+    void NotifyFrontFace() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::FrontFace] = true;
+    }
+
+    void NotifyCullTest() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::CullTest] = true;
+    }
+
+    void NotifyDepthMask() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::DepthMask] = true;
+    }
+
+    void NotifyDepthTest() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::DepthTest] = true;
+    }
+
+    void NotifyStencilTest() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::StencilTest] = true;
+    }
+
+    void NotifyPolygonOffset() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::PolygonOffset] = true;
+    }
+
+    void NotifyRasterizeEnable() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::RasterizeEnable] = true;
+    }
+
+    void NotifyFramebufferSRGB() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::FramebufferSRGB] = true;
+    }
+
+    void NotifyLogicOp() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::LogicOp] = true;
+    }
+
+    void NotifyClipControl() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::ClipControl] = true;
+    }
+
+    void NotifyAlphaTest() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::AlphaTest] = true;
+    }
+
+private:
+    Core::System& system;
+
+    GLuint index_buffer = 0;
+};
+
+} // namespace OpenGL

src/video_core/renderer_opengl/gl_stream_buffer.cpp

@@ -7,7 +7,6 @@
 #include "common/alignment.h"
 #include "common/assert.h"
 #include "common/microprofile.h"
-#include "video_core/renderer_opengl/gl_state.h"
 #include "video_core/renderer_opengl/gl_stream_buffer.h"
 
 MICROPROFILE_DEFINE(OpenGL_StreamBuffer, "OpenGL", "Stream Buffer Orphaning",

src/video_core/renderer_opengl/gl_texture_cache.cpp

@@ -10,7 +10,7 @@
 #include "core/core.h"
 #include "video_core/morton.h"
 #include "video_core/renderer_opengl/gl_resource_manager.h"
-#include "video_core/renderer_opengl/gl_state.h"
+#include "video_core/renderer_opengl/gl_state_tracker.h"
 #include "video_core/renderer_opengl/gl_texture_cache.h"
 #include "video_core/renderer_opengl/utils.h"
 #include "video_core/texture_cache/surface_base.h"
@@ -397,6 +397,7 @@ CachedSurfaceView::CachedSurfaceView(CachedSurface& surface, const ViewParams& p
                                      const bool is_proxy)
     : VideoCommon::ViewBase(params), surface{surface}, is_proxy{is_proxy} {
     target = GetTextureTarget(params.target);
+    format = GetFormatTuple(surface.GetSurfaceParams().pixel_format).internal_format;
     if (!is_proxy) {
         texture_view = CreateTextureView();
     }
@@ -467,25 +468,20 @@ void CachedSurfaceView::ApplySwizzle(SwizzleSource x_source, SwizzleSource y_sou
 }
 
 OGLTextureView CachedSurfaceView::CreateTextureView() const {
-    const auto& owner_params = surface.GetSurfaceParams();
     OGLTextureView texture_view;
     texture_view.Create();
 
-    const GLuint handle{texture_view.handle};
+    glTextureView(texture_view.handle, target, surface.texture.handle, format, params.base_level,
-    const FormatTuple& tuple{GetFormatTuple(owner_params.pixel_format)};
-
-    glTextureView(handle, target, surface.texture.handle, tuple.internal_format, params.base_level,
                   params.num_levels, params.base_layer, params.num_layers);
-
+    ApplyTextureDefaults(surface.GetSurfaceParams(), texture_view.handle);
-    ApplyTextureDefaults(owner_params, handle);
 
     return texture_view;
 }
 
 TextureCacheOpenGL::TextureCacheOpenGL(Core::System& system,
                                        VideoCore::RasterizerInterface& rasterizer,
-                                       const Device& device)
+                                       const Device& device, StateTracker& state_tracker)
-    : TextureCacheBase{system, rasterizer} {
+    : TextureCacheBase{system, rasterizer}, state_tracker{state_tracker} {
     src_framebuffer.Create();
     dst_framebuffer.Create();
 }
@@ -519,25 +515,26 @@ void TextureCacheOpenGL::ImageBlit(View& src_view, View& dst_view,
                                    const Tegra::Engines::Fermi2D::Config& copy_config) {
     const auto& src_params{src_view->GetSurfaceParams()};
     const auto& dst_params{dst_view->GetSurfaceParams()};
-
-    OpenGLState prev_state{OpenGLState::GetCurState()};
-    SCOPE_EXIT({
-        prev_state.AllDirty();
-        prev_state.Apply();
-    });
-
-    OpenGLState state;
-    state.draw.read_framebuffer = src_framebuffer.handle;
-    state.draw.draw_framebuffer = dst_framebuffer.handle;
-    state.framebuffer_srgb.enabled = dst_params.srgb_conversion;
-    state.AllDirty();
-    state.Apply();
-
-    u32 buffers{};
-
     UNIMPLEMENTED_IF(src_params.target == SurfaceTarget::Texture3D);
     UNIMPLEMENTED_IF(dst_params.target == SurfaceTarget::Texture3D);
 
+    state_tracker.NotifyScissor0();
+    state_tracker.NotifyFramebuffer();
+    state_tracker.NotifyRasterizeEnable();
+    state_tracker.NotifyFramebufferSRGB();
+
+    if (dst_params.srgb_conversion) {
+        glEnable(GL_FRAMEBUFFER_SRGB);
+    } else {
+        glDisable(GL_FRAMEBUFFER_SRGB);
+    }
+    glDisable(GL_RASTERIZER_DISCARD);
+    glDisablei(GL_SCISSOR_TEST, 0);
+
+    glBindFramebuffer(GL_READ_FRAMEBUFFER, src_framebuffer.handle);
+    glBindFramebuffer(GL_DRAW_FRAMEBUFFER, dst_framebuffer.handle);
+
+    GLenum buffers = 0;
     if (src_params.type == SurfaceType::ColorTexture) {
         src_view->Attach(GL_COLOR_ATTACHMENT0, GL_READ_FRAMEBUFFER);
         glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0,

src/video_core/renderer_opengl/gl_texture_cache.h

@@ -27,6 +27,7 @@ using VideoCommon::ViewParams;
 class CachedSurfaceView;
 class CachedSurface;
 class TextureCacheOpenGL;
+class StateTracker;
 
 using Surface = std::shared_ptr<CachedSurface>;
 using View = std::shared_ptr<CachedSurfaceView>;
@@ -96,6 +97,10 @@ public:
         return texture_view.handle;
     }
 
+    GLenum GetFormat() const {
+        return format;
+    }
+
     const SurfaceParams& GetSurfaceParams() const {
         return surface.GetSurfaceParams();
     }
@@ -113,6 +118,7 @@ private:
 
     CachedSurface& surface;
     GLenum target{};
+    GLenum format{};
 
     OGLTextureView texture_view;
     u32 swizzle{};
@@ -122,7 +128,7 @@ private:
 class TextureCacheOpenGL final : public TextureCacheBase {
 public:
     explicit TextureCacheOpenGL(Core::System& system, VideoCore::RasterizerInterface& rasterizer,
-                                const Device& device);
+                                const Device& device, StateTracker& state_tracker);
     ~TextureCacheOpenGL();
 
 protected:
@@ -139,6 +145,8 @@ protected:
 private:
     GLuint FetchPBO(std::size_t buffer_size);
 
+    StateTracker& state_tracker;
+
     OGLFramebuffer src_framebuffer;
     OGLFramebuffer dst_framebuffer;
     std::unordered_map<u32, OGLBuffer> copy_pbo_cache;

src/video_core/renderer_opengl/maxwell_to_gl.h

@@ -425,24 +425,24 @@ inline GLenum StencilOp(Maxwell::StencilOp stencil) {
     return GL_KEEP;
 }
 
-inline GLenum FrontFace(Maxwell::Cull::FrontFace front_face) {
+inline GLenum FrontFace(Maxwell::FrontFace front_face) {
     switch (front_face) {
-    case Maxwell::Cull::FrontFace::ClockWise:
+    case Maxwell::FrontFace::ClockWise:
         return GL_CW;
-    case Maxwell::Cull::FrontFace::CounterClockWise:
+    case Maxwell::FrontFace::CounterClockWise:
         return GL_CCW;
     }
     LOG_ERROR(Render_OpenGL, "Unimplemented front face cull={}", static_cast<u32>(front_face));
     return GL_CCW;
 }
 
-inline GLenum CullFace(Maxwell::Cull::CullFace cull_face) {
+inline GLenum CullFace(Maxwell::CullFace cull_face) {
     switch (cull_face) {
-    case Maxwell::Cull::CullFace::Front:
+    case Maxwell::CullFace::Front:
         return GL_FRONT;
-    case Maxwell::Cull::CullFace::Back:
+    case Maxwell::CullFace::Back:
         return GL_BACK;
-    case Maxwell::Cull::CullFace::FrontAndBack:
+    case Maxwell::CullFace::FrontAndBack:
         return GL_FRONT_AND_BACK;
     }
     LOG_ERROR(Render_OpenGL, "Unimplemented cull face={}", static_cast<u32>(cull_face));

src/video_core/renderer_opengl/renderer_opengl.cpp

@@ -20,6 +20,7 @@
 #include "core/telemetry_session.h"
 #include "video_core/morton.h"
 #include "video_core/renderer_opengl/gl_rasterizer.h"
+#include "video_core/renderer_opengl/gl_shader_manager.h"
 #include "video_core/renderer_opengl/renderer_opengl.h"
 
 namespace OpenGL {
@@ -86,28 +87,22 @@ public:
     }
 
     void ReloadRenderFrame(Frame* frame, u32 width, u32 height) {
-        OpenGLState prev_state = OpenGLState::GetCurState();
-        OpenGLState state = OpenGLState::GetCurState();
-
         // Recreate the color texture attachment
         frame->color.Release();
         frame->color.Create();
-        state.renderbuffer = frame->color.handle;
+        const GLenum internal_format = frame->is_srgb ? GL_SRGB8 : GL_RGB8;
-        state.Apply();
+        glNamedRenderbufferStorage(frame->color.handle, internal_format, width, height);
-        glRenderbufferStorage(GL_RENDERBUFFER, frame->is_srgb ? GL_SRGB8 : GL_RGB8, width, height);
 
         // Recreate the FBO for the render target
         frame->render.Release();
         frame->render.Create();
-        state.draw.read_framebuffer = frame->render.handle;
+        glBindFramebuffer(GL_FRAMEBUFFER, frame->render.handle);
-        state.draw.draw_framebuffer = frame->render.handle;
-        state.Apply();
         glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER,
                                   frame->color.handle);
         if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
             LOG_CRITICAL(Render_OpenGL, "Failed to recreate render FBO!");
         }
-        prev_state.Apply();
+
         frame->width = width;
         frame->height = height;
         frame->color_reloaded = true;
@@ -164,9 +159,13 @@ public:
 
 namespace {
 
-constexpr char vertex_shader[] = R"(
+constexpr char VERTEX_SHADER[] = R"(
 #version 430 core
 
+out gl_PerVertex {
+    vec4 gl_Position;
+};
+
 layout (location = 0) in vec2 vert_position;
 layout (location = 1) in vec2 vert_tex_coord;
 layout (location = 0) out vec2 frag_tex_coord;
@@ -187,7 +186,7 @@ void main() {
 }
 )";
 
-constexpr char fragment_shader[] = R"(
+constexpr char FRAGMENT_SHADER[] = R"(
 #version 430 core
 
 layout (location = 0) in vec2 frag_tex_coord;
@@ -196,7 +195,7 @@ layout (location = 0) out vec4 color;
 layout (binding = 0) uniform sampler2D color_texture;
 
 void main() {
-    color = texture(color_texture, frag_tex_coord);
+    color = vec4(texture(color_texture, frag_tex_coord).rgb, 1.0f);
 }
 )";
 
@@ -205,8 +204,8 @@ constexpr GLint TexCoordLocation = 1;
 constexpr GLint ModelViewMatrixLocation = 0;
 
 struct ScreenRectVertex {
-    constexpr ScreenRectVertex(GLfloat x, GLfloat y, GLfloat u, GLfloat v)
+    constexpr ScreenRectVertex(u32 x, u32 y, GLfloat u, GLfloat v)
-        : position{{x, y}}, tex_coord{{u, v}} {}
+        : position{{static_cast<GLfloat>(x), static_cast<GLfloat>(y)}}, tex_coord{{u, v}} {}
 
     std::array<GLfloat, 2> position;
     std::array<GLfloat, 2> tex_coord;
@@ -311,11 +310,6 @@ void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
         return;
     }
 
-    // Maintain the rasterizer's state as a priority
-    OpenGLState prev_state = OpenGLState::GetCurState();
-    state.AllDirty();
-    state.Apply();
-
     PrepareRendertarget(framebuffer);
     RenderScreenshot();
 
@@ -358,8 +352,7 @@ void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
             frame->is_srgb = screen_info.display_srgb;
             frame_mailbox->ReloadRenderFrame(frame, layout.width, layout.height);
         }
-        state.draw.draw_framebuffer = frame->render.handle;
+        glBindFramebuffer(GL_DRAW_FRAMEBUFFER, frame->render.handle);
-        state.Apply();
         DrawScreen(layout);
         // Create a fence for the frontend to wait on and swap this frame to OffTex
         frame->render_fence = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
@@ -368,10 +361,6 @@ void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
         m_current_frame++;
         rasterizer->TickFrame();
     }
-
-    // Restore the rasterizer state
-    prev_state.AllDirty();
-    prev_state.Apply();
 }
 
 void RendererOpenGL::PrepareRendertarget(const Tegra::FramebufferConfig* framebuffer) {
@@ -442,31 +431,25 @@ void RendererOpenGL::InitOpenGLObjects() {
     glClearColor(Settings::values.bg_red, Settings::values.bg_green, Settings::values.bg_blue,
                  0.0f);
 
-    // Link shaders and get variable locations
+    // Create shader programs
-    shader.CreateFromSource(vertex_shader, nullptr, fragment_shader);
+    OGLShader vertex_shader;
-    state.draw.shader_program = shader.handle;
+    vertex_shader.Create(VERTEX_SHADER, GL_VERTEX_SHADER);
-    state.AllDirty();
+
-    state.Apply();
+    OGLShader fragment_shader;
+    fragment_shader.Create(FRAGMENT_SHADER, GL_FRAGMENT_SHADER);
+
+    vertex_program.Create(true, false, vertex_shader.handle);
+    fragment_program.Create(true, false, fragment_shader.handle);
+
+    // Create program pipeline
+    program_manager.Create();
+    glBindProgramPipeline(program_manager.GetHandle());
 
     // Generate VBO handle for drawing
     vertex_buffer.Create();
 
-    // Generate VAO
-    vertex_array.Create();
-    state.draw.vertex_array = vertex_array.handle;
-
     // Attach vertex data to VAO
     glNamedBufferData(vertex_buffer.handle, sizeof(ScreenRectVertex) * 4, nullptr, GL_STREAM_DRAW);
-    glVertexArrayAttribFormat(vertex_array.handle, PositionLocation, 2, GL_FLOAT, GL_FALSE,
-                              offsetof(ScreenRectVertex, position));
-    glVertexArrayAttribFormat(vertex_array.handle, TexCoordLocation, 2, GL_FLOAT, GL_FALSE,
-                              offsetof(ScreenRectVertex, tex_coord));
-    glVertexArrayAttribBinding(vertex_array.handle, PositionLocation, 0);
-    glVertexArrayAttribBinding(vertex_array.handle, TexCoordLocation, 0);
-    glEnableVertexArrayAttrib(vertex_array.handle, PositionLocation);
-    glEnableVertexArrayAttrib(vertex_array.handle, TexCoordLocation);
-    glVertexArrayVertexBuffer(vertex_array.handle, 0, vertex_buffer.handle, 0,
-                              sizeof(ScreenRectVertex));
 
     // Allocate textures for the screen
     screen_info.texture.resource.Create(GL_TEXTURE_2D);
@@ -499,7 +482,8 @@ void RendererOpenGL::CreateRasterizer() {
     if (rasterizer) {
         return;
     }
-    rasterizer = std::make_unique<RasterizerOpenGL>(system, emu_window, screen_info);
+    rasterizer = std::make_unique<RasterizerOpenGL>(system, emu_window, screen_info,
+                                                    program_manager, state_tracker);
 }
 
 void RendererOpenGL::ConfigureFramebufferTexture(TextureInfo& texture,
@@ -538,8 +522,19 @@ void RendererOpenGL::ConfigureFramebufferTexture(TextureInfo& texture,
     glTextureStorage2D(texture.resource.handle, 1, internal_format, texture.width, texture.height);
 }
 
-void RendererOpenGL::DrawScreenTriangles(const ScreenInfo& screen_info, float x, float y, float w,
+void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
-                                         float h) {
+    if (renderer_settings.set_background_color) {
+        // Update background color before drawing
+        glClearColor(Settings::values.bg_red, Settings::values.bg_green, Settings::values.bg_blue,
+                     0.0f);
+    }
+
+    // Set projection matrix
+    const std::array ortho_matrix =
+        MakeOrthographicMatrix(static_cast<float>(layout.width), static_cast<float>(layout.height));
+    glProgramUniformMatrix3x2fv(vertex_program.handle, ModelViewMatrixLocation, 1, GL_FALSE,
+                                std::data(ortho_matrix));
+
     const auto& texcoords = screen_info.display_texcoords;
     auto left = texcoords.left;
     auto right = texcoords.right;
@@ -571,46 +566,77 @@ void RendererOpenGL::DrawScreenTriangles(const ScreenInfo& screen_info, float x,
                   static_cast<f32>(screen_info.texture.height);
     }
 
-    const std::array vertices = {
-        ScreenRectVertex(x, y, texcoords.top * scale_u, left * scale_v),
-        ScreenRectVertex(x + w, y, texcoords.bottom * scale_u, left * scale_v),
-        ScreenRectVertex(x, y + h, texcoords.top * scale_u, right * scale_v),
-        ScreenRectVertex(x + w, y + h, texcoords.bottom * scale_u, right * scale_v),
-    };
-
-    state.textures[0] = screen_info.display_texture;
-    state.framebuffer_srgb.enabled = screen_info.display_srgb;
-    state.AllDirty();
-    state.Apply();
-    glNamedBufferSubData(vertex_buffer.handle, 0, sizeof(vertices), std::data(vertices));
-    glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
-    // Restore default state
-    state.framebuffer_srgb.enabled = false;
-    state.textures[0] = 0;
-    state.AllDirty();
-    state.Apply();
-}
-
-void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
-    if (renderer_settings.set_background_color) {
-        // Update background color before drawing
-        glClearColor(Settings::values.bg_red, Settings::values.bg_green, Settings::values.bg_blue,
-                     0.0f);
-    }
-
     const auto& screen = layout.screen;
+    const std::array vertices = {
+        ScreenRectVertex(screen.left, screen.top, texcoords.top * scale_u, left * scale_v),
+        ScreenRectVertex(screen.right, screen.top, texcoords.bottom * scale_u, left * scale_v),
+        ScreenRectVertex(screen.left, screen.bottom, texcoords.top * scale_u, right * scale_v),
+        ScreenRectVertex(screen.right, screen.bottom, texcoords.bottom * scale_u, right * scale_v),
+    };
+    glNamedBufferSubData(vertex_buffer.handle, 0, sizeof(vertices), std::data(vertices));
+
+    // TODO: Signal state tracker about these changes
+    state_tracker.NotifyScreenDrawVertexArray();
+    state_tracker.NotifyViewport0();
+    state_tracker.NotifyScissor0();
+    state_tracker.NotifyColorMask0();
+    state_tracker.NotifyBlend0();
+    state_tracker.NotifyFramebuffer();
+    state_tracker.NotifyFrontFace();
+    state_tracker.NotifyCullTest();
+    state_tracker.NotifyDepthTest();
+    state_tracker.NotifyStencilTest();
+    state_tracker.NotifyPolygonOffset();
+    state_tracker.NotifyRasterizeEnable();
+    state_tracker.NotifyFramebufferSRGB();
+    state_tracker.NotifyLogicOp();
+    state_tracker.NotifyClipControl();
+    state_tracker.NotifyAlphaTest();
+
+    program_manager.UseVertexShader(vertex_program.handle);
+    program_manager.UseGeometryShader(0);
+    program_manager.UseFragmentShader(fragment_program.handle);
+    program_manager.Update();
+
+    glEnable(GL_CULL_FACE);
+    if (screen_info.display_srgb) {
+        glEnable(GL_FRAMEBUFFER_SRGB);
+    } else {
+        glDisable(GL_FRAMEBUFFER_SRGB);
+    }
+    glDisable(GL_COLOR_LOGIC_OP);
+    glDisable(GL_DEPTH_TEST);
+    glDisable(GL_STENCIL_TEST);
+    glDisable(GL_POLYGON_OFFSET_FILL);
+    glDisable(GL_RASTERIZER_DISCARD);
+    glDisable(GL_ALPHA_TEST);
+    glDisablei(GL_BLEND, 0);
+    glDisablei(GL_SCISSOR_TEST, 0);
+    glCullFace(GL_BACK);
+    glFrontFace(GL_CW);
+    glColorMaski(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+    glClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
+    glViewportIndexedf(0, 0.0f, 0.0f, static_cast<GLfloat>(layout.width),
+                       static_cast<GLfloat>(layout.height));
+    glDepthRangeIndexed(0, 0.0, 0.0);
+
+    glEnableVertexAttribArray(PositionLocation);
+    glEnableVertexAttribArray(TexCoordLocation);
+    glVertexAttribDivisor(PositionLocation, 0);
+    glVertexAttribDivisor(TexCoordLocation, 0);
+    glVertexAttribFormat(PositionLocation, 2, GL_FLOAT, GL_FALSE,
+                         offsetof(ScreenRectVertex, position));
+    glVertexAttribFormat(TexCoordLocation, 2, GL_FLOAT, GL_FALSE,
+                         offsetof(ScreenRectVertex, tex_coord));
+    glVertexAttribBinding(PositionLocation, 0);
+    glVertexAttribBinding(TexCoordLocation, 0);
+    glBindVertexBuffer(0, vertex_buffer.handle, 0, sizeof(ScreenRectVertex));
+
+    glBindTextureUnit(0, screen_info.display_texture);
+    glBindSampler(0, 0);
 
-    glViewport(0, 0, layout.width, layout.height);
     glClear(GL_COLOR_BUFFER_BIT);
-
+    glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
-    // Set projection matrix
-    const std::array ortho_matrix =
-        MakeOrthographicMatrix(static_cast<float>(layout.width), static_cast<float>(layout.height));
-    glUniformMatrix3x2fv(ModelViewMatrixLocation, 1, GL_FALSE, ortho_matrix.data());
-
-    DrawScreenTriangles(screen_info, static_cast<float>(screen.left),
-                        static_cast<float>(screen.top), static_cast<float>(screen.GetWidth()),
-                        static_cast<float>(screen.GetHeight()));
 }
 
 void RendererOpenGL::TryPresent(int timeout_ms) {
@@ -653,13 +679,14 @@ void RendererOpenGL::RenderScreenshot() {
         return;
     }
 
+    GLint old_read_fb;
+    GLint old_draw_fb;
+    glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &old_read_fb);
+    glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &old_draw_fb);
+
     // Draw the current frame to the screenshot framebuffer
     screenshot_framebuffer.Create();
-    GLuint old_read_fb = state.draw.read_framebuffer;
+    glBindFramebuffer(GL_FRAMEBUFFER, screenshot_framebuffer.handle);
-    GLuint old_draw_fb = state.draw.draw_framebuffer;
-    state.draw.read_framebuffer = state.draw.draw_framebuffer = screenshot_framebuffer.handle;
-    state.AllDirty();
-    state.Apply();
 
     Layout::FramebufferLayout layout{renderer_settings.screenshot_framebuffer_layout};
 
@@ -676,12 +703,11 @@ void RendererOpenGL::RenderScreenshot() {
                  renderer_settings.screenshot_bits);
 
     screenshot_framebuffer.Release();
-    state.draw.read_framebuffer = old_read_fb;
-    state.draw.draw_framebuffer = old_draw_fb;
-    state.AllDirty();
-    state.Apply();
     glDeleteRenderbuffers(1, &renderbuffer);
 
+    glBindFramebuffer(GL_READ_FRAMEBUFFER, old_read_fb);
+    glBindFramebuffer(GL_DRAW_FRAMEBUFFER, old_draw_fb);
+
     renderer_settings.screenshot_complete_callback();
     renderer_settings.screenshot_requested = false;
 }

src/video_core/renderer_opengl/renderer_opengl.h

@@ -10,7 +10,8 @@
 #include "common/math_util.h"
 #include "video_core/renderer_base.h"
 #include "video_core/renderer_opengl/gl_resource_manager.h"
-#include "video_core/renderer_opengl/gl_state.h"
+#include "video_core/renderer_opengl/gl_shader_manager.h"
+#include "video_core/renderer_opengl/gl_state_tracker.h"
 
 namespace Core {
 class System;
@@ -76,8 +77,6 @@ private:
     /// Draws the emulated screens to the emulator window.
     void DrawScreen(const Layout::FramebufferLayout& layout);
 
-    void DrawScreenTriangles(const ScreenInfo& screen_info, float x, float y, float w, float h);
-
     void RenderScreenshot();
 
     /// Loads framebuffer from emulated memory into the active OpenGL texture.
@@ -93,17 +92,20 @@ private:
     Core::Frontend::EmuWindow& emu_window;
     Core::System& system;
 
-    OpenGLState state;
+    StateTracker state_tracker{system};
 
     // OpenGL object IDs
-    OGLVertexArray vertex_array;
     OGLBuffer vertex_buffer;
-    OGLProgram shader;
+    OGLProgram vertex_program;
+    OGLProgram fragment_program;
     OGLFramebuffer screenshot_framebuffer;
 
     /// Display information for Switch screen
     ScreenInfo screen_info;
 
+    /// Global dummy shader pipeline
+    GLShader::ProgramManager program_manager;
+
     /// OpenGL framebuffer data
     std::vector<u8> gl_framebuffer_data;
 

src/video_core/renderer_opengl/utils.cpp

@@ -9,6 +9,7 @@
 #include <glad/glad.h>
 
 #include "common/common_types.h"
+#include "video_core/renderer_opengl/gl_state_tracker.h"
 #include "video_core/renderer_opengl/utils.h"
 
 namespace OpenGL {
@@ -20,12 +21,12 @@ struct VertexArrayPushBuffer::Entry {
     GLsizei stride{};
 };
 
-VertexArrayPushBuffer::VertexArrayPushBuffer() = default;
+VertexArrayPushBuffer::VertexArrayPushBuffer(StateTracker& state_tracker)
+    : state_tracker{state_tracker} {}
 
 VertexArrayPushBuffer::~VertexArrayPushBuffer() = default;
 
-void VertexArrayPushBuffer::Setup(GLuint vao_) {
+void VertexArrayPushBuffer::Setup() {
-    vao = vao_;
     index_buffer = nullptr;
     vertex_buffers.clear();
 }
@@ -41,13 +42,11 @@ void VertexArrayPushBuffer::SetVertexBuffer(GLuint binding_index, const GLuint*
 
 void VertexArrayPushBuffer::Bind() {
     if (index_buffer) {
-        glVertexArrayElementBuffer(vao, *index_buffer);
+        state_tracker.BindIndexBuffer(*index_buffer);
     }
 
-    // TODO(Rodrigo): Find a way to ARB_multi_bind this
     for (const auto& entry : vertex_buffers) {
-        glVertexArrayVertexBuffer(vao, entry.binding_index, *entry.buffer, entry.offset,
+        glBindVertexBuffer(entry.binding_index, *entry.buffer, entry.offset, entry.stride);
-                                  entry.stride);
     }
 }
 

src/video_core/renderer_opengl/utils.h

@@ -11,12 +11,14 @@
 
 namespace OpenGL {
 
+class StateTracker;
+
 class VertexArrayPushBuffer final {
 public:
-    explicit VertexArrayPushBuffer();
+    explicit VertexArrayPushBuffer(StateTracker& state_tracker);
     ~VertexArrayPushBuffer();
 
-    void Setup(GLuint vao_);
+    void Setup();
 
     void SetIndexBuffer(const GLuint* buffer);
 
@@ -28,7 +30,8 @@ public:
 private:
     struct Entry;
 
-    GLuint vao{};
+    StateTracker& state_tracker;
+
     const GLuint* index_buffer{};
     std::vector<Entry> vertex_buffers;
 };

src/video_core/renderer_vulkan/fixed_pipeline_state.cpp

@@ -112,19 +112,18 @@ constexpr FixedPipelineState::Rasterizer GetRasterizerState(const Maxwell& regs)
     const auto& clip = regs.view_volume_clip_control;
     const bool depth_clamp_enabled = clip.depth_clamp_near == 1 || clip.depth_clamp_far == 1;
 
-    Maxwell::Cull::FrontFace front_face = regs.cull.front_face;
+    Maxwell::FrontFace front_face = regs.front_face;
     if (regs.screen_y_control.triangle_rast_flip != 0 &&
         regs.viewport_transform[0].scale_y > 0.0f) {
-        if (front_face == Maxwell::Cull::FrontFace::CounterClockWise)
+        if (front_face == Maxwell::FrontFace::CounterClockWise)
-            front_face = Maxwell::Cull::FrontFace::ClockWise;
+            front_face = Maxwell::FrontFace::ClockWise;
-        else if (front_face == Maxwell::Cull::FrontFace::ClockWise)
+        else if (front_face == Maxwell::FrontFace::ClockWise)
-            front_face = Maxwell::Cull::FrontFace::CounterClockWise;
+            front_face = Maxwell::FrontFace::CounterClockWise;
     }
 
     const bool gl_ndc = regs.depth_mode == Maxwell::DepthMode::MinusOneToOne;
-    return FixedPipelineState::Rasterizer(regs.cull.enabled, depth_bias_enabled,
+    return FixedPipelineState::Rasterizer(regs.cull_test_enabled, depth_bias_enabled,
-                                          depth_clamp_enabled, gl_ndc, regs.cull.cull_face,
+                                          depth_clamp_enabled, gl_ndc, regs.cull_face, front_face);
-                                          front_face);
 }
 
 } // Anonymous namespace

src/video_core/renderer_vulkan/fixed_pipeline_state.h

@@ -171,8 +171,8 @@ struct FixedPipelineState {
 
     struct Rasterizer {
         constexpr Rasterizer(bool cull_enable, bool depth_bias_enable, bool depth_clamp_enable,
-                             bool ndc_minus_one_to_one, Maxwell::Cull::CullFace cull_face,
+                             bool ndc_minus_one_to_one, Maxwell::CullFace cull_face,
-                             Maxwell::Cull::FrontFace front_face)
+                             Maxwell::FrontFace front_face)
             : cull_enable{cull_enable}, depth_bias_enable{depth_bias_enable},
               depth_clamp_enable{depth_clamp_enable}, ndc_minus_one_to_one{ndc_minus_one_to_one},
               cull_face{cull_face}, front_face{front_face} {}
@@ -182,8 +182,8 @@ struct FixedPipelineState {
         bool depth_bias_enable;
         bool depth_clamp_enable;
         bool ndc_minus_one_to_one;
-        Maxwell::Cull::CullFace cull_face;
+        Maxwell::CullFace cull_face;
-        Maxwell::Cull::FrontFace front_face;
+        Maxwell::FrontFace front_face;
 
         std::size_t Hash() const noexcept;
 

src/video_core/renderer_vulkan/maxwell_to_vk.cpp

@@ -586,24 +586,24 @@ vk::BlendFactor BlendFactor(Maxwell::Blend::Factor factor) {
     return {};
 }
 
-vk::FrontFace FrontFace(Maxwell::Cull::FrontFace front_face) {
+vk::FrontFace FrontFace(Maxwell::FrontFace front_face) {
     switch (front_face) {
-    case Maxwell::Cull::FrontFace::ClockWise:
+    case Maxwell::FrontFace::ClockWise:
         return vk::FrontFace::eClockwise;
-    case Maxwell::Cull::FrontFace::CounterClockWise:
+    case Maxwell::FrontFace::CounterClockWise:
         return vk::FrontFace::eCounterClockwise;
     }
     UNIMPLEMENTED_MSG("Unimplemented front face={}", static_cast<u32>(front_face));
     return {};
 }
 
-vk::CullModeFlags CullFace(Maxwell::Cull::CullFace cull_face) {
+vk::CullModeFlags CullFace(Maxwell::CullFace cull_face) {
     switch (cull_face) {
-    case Maxwell::Cull::CullFace::Front:
+    case Maxwell::CullFace::Front:
         return vk::CullModeFlagBits::eFront;
-    case Maxwell::Cull::CullFace::Back:
+    case Maxwell::CullFace::Back:
         return vk::CullModeFlagBits::eBack;
-    case Maxwell::Cull::CullFace::FrontAndBack:
+    case Maxwell::CullFace::FrontAndBack:
         return vk::CullModeFlagBits::eFrontAndBack;
     }
     UNIMPLEMENTED_MSG("Unimplemented cull face={}", static_cast<u32>(cull_face));

src/video_core/renderer_vulkan/maxwell_to_vk.h

@@ -54,9 +54,9 @@ vk::BlendOp BlendEquation(Maxwell::Blend::Equation equation);
 
 vk::BlendFactor BlendFactor(Maxwell::Blend::Factor factor);
 
-vk::FrontFace FrontFace(Maxwell::Cull::FrontFace front_face);
+vk::FrontFace FrontFace(Maxwell::FrontFace front_face);
 
-vk::CullModeFlags CullFace(Maxwell::Cull::CullFace cull_face);
+vk::CullModeFlags CullFace(Maxwell::CullFace cull_face);
 
 vk::ComponentSwizzle SwizzleSource(Tegra::Texture::SwizzleSource swizzle);
 

src/video_core/renderer_vulkan/renderer_vulkan.cpp

@@ -27,6 +27,7 @@
 #include "video_core/renderer_vulkan/vk_rasterizer.h"
 #include "video_core/renderer_vulkan/vk_resource_manager.h"
 #include "video_core/renderer_vulkan/vk_scheduler.h"
+#include "video_core/renderer_vulkan/vk_state_tracker.h"
 #include "video_core/renderer_vulkan/vk_swapchain.h"
 
 namespace Vulkan {
@@ -177,10 +178,13 @@ bool RendererVulkan::Init() {
     swapchain = std::make_unique<VKSwapchain>(surface, *device);
     swapchain->Create(framebuffer.width, framebuffer.height, false);
 
-    scheduler = std::make_unique<VKScheduler>(*device, *resource_manager);
+    state_tracker = std::make_unique<StateTracker>(system);
+
+    scheduler = std::make_unique<VKScheduler>(*device, *resource_manager, *state_tracker);
 
     rasterizer = std::make_unique<RasterizerVulkan>(system, render_window, screen_info, *device,
-                                                    *resource_manager, *memory_manager, *scheduler);
+                                                    *resource_manager, *memory_manager,
+                                                    *state_tracker, *scheduler);
 
     blit_screen = std::make_unique<VKBlitScreen>(system, render_window, *rasterizer, *device,
                                                  *resource_manager, *memory_manager, *swapchain,

src/video_core/renderer_vulkan/renderer_vulkan.h

@@ -4,8 +4,10 @@
 
 #pragma once
 
+#include <memory>
 #include <optional>
 #include <vector>
+
 #include "video_core/renderer_base.h"
 #include "video_core/renderer_vulkan/declarations.h"
 
@@ -15,6 +17,7 @@ class System;
 
 namespace Vulkan {
 
+class StateTracker;
 class VKBlitScreen;
 class VKDevice;
 class VKFence;
@@ -61,6 +64,7 @@ private:
     std::unique_ptr<VKSwapchain> swapchain;
     std::unique_ptr<VKMemoryManager> memory_manager;
     std::unique_ptr<VKResourceManager> resource_manager;
+    std::unique_ptr<StateTracker> state_tracker;
     std::unique_ptr<VKScheduler> scheduler;
     std::unique_ptr<VKBlitScreen> blit_screen;
 };

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -188,11 +188,6 @@ VKPipelineCache::~VKPipelineCache() = default;
 
 std::array<Shader, Maxwell::MaxShaderProgram> VKPipelineCache::GetShaders() {
     const auto& gpu = system.GPU().Maxwell3D();
-    auto& dirty = system.GPU().Maxwell3D().dirty.shaders;
-    if (!dirty) {
-        return last_shaders;
-    }
-    dirty = false;
 
     std::array<Shader, Maxwell::MaxShaderProgram> shaders;
     for (std::size_t index = 0; index < Maxwell::MaxShaderProgram; ++index) {

src/video_core/renderer_vulkan/vk_rasterizer.cpp

@@ -36,6 +36,7 @@
 #include "video_core/renderer_vulkan/vk_sampler_cache.h"
 #include "video_core/renderer_vulkan/vk_scheduler.h"
 #include "video_core/renderer_vulkan/vk_staging_buffer_pool.h"
+#include "video_core/renderer_vulkan/vk_state_tracker.h"
 #include "video_core/renderer_vulkan/vk_texture_cache.h"
 #include "video_core/renderer_vulkan/vk_update_descriptor.h"
 
@@ -280,10 +281,11 @@ void RasterizerVulkan::DrawParameters::Draw(vk::CommandBuffer cmdbuf,
 RasterizerVulkan::RasterizerVulkan(Core::System& system, Core::Frontend::EmuWindow& renderer,
                                    VKScreenInfo& screen_info, const VKDevice& device,
                                    VKResourceManager& resource_manager,
-                                   VKMemoryManager& memory_manager, VKScheduler& scheduler)
+                                   VKMemoryManager& memory_manager, StateTracker& state_tracker,
+                                   VKScheduler& scheduler)
     : RasterizerAccelerated{system.Memory()}, system{system}, render_window{renderer},
       screen_info{screen_info}, device{device}, resource_manager{resource_manager},
-      memory_manager{memory_manager}, scheduler{scheduler},
+      memory_manager{memory_manager}, state_tracker{state_tracker}, scheduler{scheduler},
       staging_pool(device, memory_manager, scheduler), descriptor_pool(device),
       update_descriptor_queue(device, scheduler),
       quad_array_pass(device, scheduler, descriptor_pool, staging_pool, update_descriptor_queue),
@@ -548,6 +550,10 @@ bool RasterizerVulkan::AccelerateDisplay(const Tegra::FramebufferConfig& config,
     return true;
 }
 
+void RasterizerVulkan::SetupDirtyFlags() {
+    state_tracker.Initialize();
+}
+
 void RasterizerVulkan::FlushWork() {
     static constexpr u32 DRAWS_TO_DISPATCH = 4096;
 
@@ -571,9 +577,9 @@ void RasterizerVulkan::FlushWork() {
 
 RasterizerVulkan::Texceptions RasterizerVulkan::UpdateAttachments() {
     MICROPROFILE_SCOPE(Vulkan_RenderTargets);
-    auto& dirty = system.GPU().Maxwell3D().dirty;
+    auto& dirty = system.GPU().Maxwell3D().dirty.flags;
-    const bool update_rendertargets = dirty.render_settings;
+    const bool update_rendertargets = dirty[VideoCommon::Dirty::RenderTargets];
-    dirty.render_settings = false;
+    dirty[VideoCommon::Dirty::RenderTargets] = false;
 
     texture_cache.GuardRenderTargets(true);
 
@@ -723,13 +729,13 @@ void RasterizerVulkan::SetupImageTransitions(
 }
 
 void RasterizerVulkan::UpdateDynamicStates() {
-    auto& gpu = system.GPU().Maxwell3D();
+    auto& regs = system.GPU().Maxwell3D().regs;
-    UpdateViewportsState(gpu);
+    UpdateViewportsState(regs);
-    UpdateScissorsState(gpu);
+    UpdateScissorsState(regs);
-    UpdateDepthBias(gpu);
+    UpdateDepthBias(regs);
-    UpdateBlendConstants(gpu);
+    UpdateBlendConstants(regs);
-    UpdateDepthBounds(gpu);
+    UpdateDepthBounds(regs);
-    UpdateStencilFaces(gpu);
+    UpdateStencilFaces(regs);
 }
 
 void RasterizerVulkan::SetupVertexArrays(FixedPipelineState::VertexInput& vertex_input,
@@ -979,12 +985,10 @@ void RasterizerVulkan::SetupImage(const Tegra::Texture::TICEntry& tic, const Ima
     image_views.push_back(ImageView{std::move(view), image_layout});
 }
 
-void RasterizerVulkan::UpdateViewportsState(Tegra::Engines::Maxwell3D& gpu) {
+void RasterizerVulkan::UpdateViewportsState(Tegra::Engines::Maxwell3D::Regs& regs) {
-    if (!gpu.dirty.viewport_transform && scheduler.TouchViewports()) {
+    if (!state_tracker.TouchViewports()) {
         return;
     }
-    gpu.dirty.viewport_transform = false;
-    const auto& regs = gpu.regs;
     const std::array viewports{
         GetViewportState(device, regs, 0),  GetViewportState(device, regs, 1),
         GetViewportState(device, regs, 2),  GetViewportState(device, regs, 3),
@@ -999,12 +1003,10 @@ void RasterizerVulkan::UpdateViewportsState(Tegra::Engines::Maxwell3D& gpu) {
     });
 }
 
-void RasterizerVulkan::UpdateScissorsState(Tegra::Engines::Maxwell3D& gpu) {
+void RasterizerVulkan::UpdateScissorsState(Tegra::Engines::Maxwell3D::Regs& regs) {
-    if (!gpu.dirty.scissor_test && scheduler.TouchScissors()) {
+    if (!state_tracker.TouchScissors()) {
         return;
     }
-    gpu.dirty.scissor_test = false;
-    const auto& regs = gpu.regs;
     const std::array scissors = {
         GetScissorState(regs, 0),  GetScissorState(regs, 1),  GetScissorState(regs, 2),
         GetScissorState(regs, 3),  GetScissorState(regs, 4),  GetScissorState(regs, 5),
@@ -1017,46 +1019,39 @@ void RasterizerVulkan::UpdateScissorsState(Tegra::Engines::Maxwell3D& gpu) {
     });
 }
 
-void RasterizerVulkan::UpdateDepthBias(Tegra::Engines::Maxwell3D& gpu) {
+void RasterizerVulkan::UpdateDepthBias(Tegra::Engines::Maxwell3D::Regs& regs) {
-    if (!gpu.dirty.polygon_offset && scheduler.TouchDepthBias()) {
+    if (!state_tracker.TouchDepthBias()) {
         return;
     }
-    gpu.dirty.polygon_offset = false;
-    const auto& regs = gpu.regs;
     scheduler.Record([constant = regs.polygon_offset_units, clamp = regs.polygon_offset_clamp,
                       factor = regs.polygon_offset_factor](auto cmdbuf, auto& dld) {
         cmdbuf.setDepthBias(constant, clamp, factor / 2.0f, dld);
     });
 }
 
-void RasterizerVulkan::UpdateBlendConstants(Tegra::Engines::Maxwell3D& gpu) {
+void RasterizerVulkan::UpdateBlendConstants(Tegra::Engines::Maxwell3D::Regs& regs) {
-    if (!gpu.dirty.blend_state && scheduler.TouchBlendConstants()) {
+    if (!state_tracker.TouchBlendConstants()) {
         return;
     }
-    gpu.dirty.blend_state = false;
+    const std::array blend_color = {regs.blend_color.r, regs.blend_color.g, regs.blend_color.b,
-    const std::array blend_color = {gpu.regs.blend_color.r, gpu.regs.blend_color.g,
+                                    regs.blend_color.a};
-                                    gpu.regs.blend_color.b, gpu.regs.blend_color.a};
     scheduler.Record([blend_color](auto cmdbuf, auto& dld) {
         cmdbuf.setBlendConstants(blend_color.data(), dld);
     });
 }
 
-void RasterizerVulkan::UpdateDepthBounds(Tegra::Engines::Maxwell3D& gpu) {
+void RasterizerVulkan::UpdateDepthBounds(Tegra::Engines::Maxwell3D::Regs& regs) {
-    if (!gpu.dirty.depth_bounds_values && scheduler.TouchDepthBounds()) {
+    if (!state_tracker.TouchDepthBounds()) {
         return;
     }
-    gpu.dirty.depth_bounds_values = false;
-    const auto& regs = gpu.regs;
     scheduler.Record([min = regs.depth_bounds[0], max = regs.depth_bounds[1]](
                          auto cmdbuf, auto& dld) { cmdbuf.setDepthBounds(min, max, dld); });
 }
 
-void RasterizerVulkan::UpdateStencilFaces(Tegra::Engines::Maxwell3D& gpu) {
+void RasterizerVulkan::UpdateStencilFaces(Tegra::Engines::Maxwell3D::Regs& regs) {
-    if (!gpu.dirty.stencil_test && scheduler.TouchStencilValues()) {
+    if (!state_tracker.TouchStencilProperties()) {
         return;
     }
-    gpu.dirty.stencil_test = false;
-    const auto& regs = gpu.regs;
     if (regs.stencil_two_side_enable) {
         // Separate values per face
         scheduler.Record(

src/video_core/renderer_vulkan/vk_rasterizer.h

@@ -96,6 +96,7 @@ struct hash<Vulkan::FramebufferCacheKey> {
 
 namespace Vulkan {
 
+class StateTracker;
 class BufferBindings;
 
 struct ImageView {
@@ -108,7 +109,7 @@ public:
     explicit RasterizerVulkan(Core::System& system, Core::Frontend::EmuWindow& render_window,
                               VKScreenInfo& screen_info, const VKDevice& device,
                               VKResourceManager& resource_manager, VKMemoryManager& memory_manager,
-                              VKScheduler& scheduler);
+                              StateTracker& state_tracker, VKScheduler& scheduler);
     ~RasterizerVulkan() override;
 
     void Draw(bool is_indexed, bool is_instanced) override;
@@ -127,6 +128,7 @@ public:
                                const Tegra::Engines::Fermi2D::Config& copy_config) override;
     bool AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr,
                            u32 pixel_stride) override;
+    void SetupDirtyFlags() override;
 
     /// Maximum supported size that a constbuffer can have in bytes.
     static constexpr std::size_t MaxConstbufferSize = 0x10000;
@@ -215,12 +217,12 @@ private:
 
     void SetupImage(const Tegra::Texture::TICEntry& tic, const ImageEntry& entry);
 
-    void UpdateViewportsState(Tegra::Engines::Maxwell3D& gpu);
+    void UpdateViewportsState(Tegra::Engines::Maxwell3D::Regs& regs);
-    void UpdateScissorsState(Tegra::Engines::Maxwell3D& gpu);
+    void UpdateScissorsState(Tegra::Engines::Maxwell3D::Regs& regs);
-    void UpdateDepthBias(Tegra::Engines::Maxwell3D& gpu);
+    void UpdateDepthBias(Tegra::Engines::Maxwell3D::Regs& regs);
-    void UpdateBlendConstants(Tegra::Engines::Maxwell3D& gpu);
+    void UpdateBlendConstants(Tegra::Engines::Maxwell3D::Regs& regs);
-    void UpdateDepthBounds(Tegra::Engines::Maxwell3D& gpu);
+    void UpdateDepthBounds(Tegra::Engines::Maxwell3D::Regs& regs);
-    void UpdateStencilFaces(Tegra::Engines::Maxwell3D& gpu);
+    void UpdateStencilFaces(Tegra::Engines::Maxwell3D::Regs& regs);
 
     std::size_t CalculateGraphicsStreamBufferSize(bool is_indexed) const;
 
@@ -241,6 +243,7 @@ private:
     const VKDevice& device;
     VKResourceManager& resource_manager;
     VKMemoryManager& memory_manager;
+    StateTracker& state_tracker;
     VKScheduler& scheduler;
 
     VKStagingBufferPool staging_pool;

src/video_core/renderer_vulkan/vk_scheduler.cpp

@@ -2,6 +2,12 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <memory>
+#include <mutex>
+#include <optional>
+#include <thread>
+#include <utility>
+
 #include "common/assert.h"
 #include "common/microprofile.h"
 #include "video_core/renderer_vulkan/declarations.h"
@@ -9,6 +15,7 @@
 #include "video_core/renderer_vulkan/vk_query_cache.h"
 #include "video_core/renderer_vulkan/vk_resource_manager.h"
 #include "video_core/renderer_vulkan/vk_scheduler.h"
+#include "video_core/renderer_vulkan/vk_state_tracker.h"
 
 namespace Vulkan {
 
@@ -29,9 +36,10 @@ void VKScheduler::CommandChunk::ExecuteAll(vk::CommandBuffer cmdbuf,
     last = nullptr;
 }
 
-VKScheduler::VKScheduler(const VKDevice& device, VKResourceManager& resource_manager)
+VKScheduler::VKScheduler(const VKDevice& device, VKResourceManager& resource_manager,
-    : device{device}, resource_manager{resource_manager}, next_fence{
+                         StateTracker& state_tracker)
-                                                              &resource_manager.CommitFence()} {
+    : device{device}, resource_manager{resource_manager}, state_tracker{state_tracker},
+      next_fence{&resource_manager.CommitFence()} {
     AcquireNewChunk();
     AllocateNewContext();
     worker_thread = std::thread(&VKScheduler::WorkerThread, this);
@@ -157,12 +165,7 @@ void VKScheduler::AllocateNewContext() {
 
 void VKScheduler::InvalidateState() {
     state.graphics_pipeline = nullptr;
-    state.viewports = false;
+    state_tracker.InvalidateCommandBufferState();
-    state.scissors = false;
-    state.depth_bias = false;
-    state.blend_constants = false;
-    state.depth_bounds = false;
-    state.stencil_values = false;
 }
 
 void VKScheduler::EndPendingOperations() {

src/video_core/renderer_vulkan/vk_scheduler.h

@@ -17,6 +17,7 @@
 
 namespace Vulkan {
 
+class StateTracker;
 class VKDevice;
 class VKFence;
 class VKQueryCache;
@@ -43,7 +44,8 @@ private:
 /// OpenGL-like operations on Vulkan command buffers.
 class VKScheduler {
 public:
-    explicit VKScheduler(const VKDevice& device, VKResourceManager& resource_manager);
+    explicit VKScheduler(const VKDevice& device, VKResourceManager& resource_manager,
+                         StateTracker& state_tracker);
     ~VKScheduler();
 
     /// Sends the current execution context to the GPU.
@@ -74,36 +76,6 @@ public:
         query_cache = &query_cache_;
     }
 
-    /// Returns true when viewports have been set in the current command buffer.
-    bool TouchViewports() {
-        return std::exchange(state.viewports, true);
-    }
-
-    /// Returns true when scissors have been set in the current command buffer.
-    bool TouchScissors() {
-        return std::exchange(state.scissors, true);
-    }
-
-    /// Returns true when depth bias have been set in the current command buffer.
-    bool TouchDepthBias() {
-        return std::exchange(state.depth_bias, true);
-    }
-
-    /// Returns true when blend constants have been set in the current command buffer.
-    bool TouchBlendConstants() {
-        return std::exchange(state.blend_constants, true);
-    }
-
-    /// Returns true when depth bounds have been set in the current command buffer.
-    bool TouchDepthBounds() {
-        return std::exchange(state.depth_bounds, true);
-    }
-
-    /// Returns true when stencil values have been set in the current command buffer.
-    bool TouchStencilValues() {
-        return std::exchange(state.stencil_values, true);
-    }
-
     /// Send work to a separate thread.
     template <typename T>
     void Record(T&& command) {
@@ -217,6 +189,8 @@ private:
 
     const VKDevice& device;
     VKResourceManager& resource_manager;
+    StateTracker& state_tracker;
+
     VKQueryCache* query_cache = nullptr;
 
     vk::CommandBuffer current_cmdbuf;
@@ -226,12 +200,6 @@ private:
     struct State {
         std::optional<vk::RenderPassBeginInfo> renderpass;
         vk::Pipeline graphics_pipeline;
-        bool viewports = false;
-        bool scissors = false;
-        bool depth_bias = false;
-        bool blend_constants = false;
-        bool depth_bounds = false;
-        bool stencil_values = false;
     } state;
 
     std::unique_ptr<CommandChunk> chunk;

src/video_core/renderer_vulkan/vk_state_tracker.cpp

@@ -0,0 +1,101 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <cstddef>
+#include <iterator>
+
+#include "common/common_types.h"
+#include "core/core.h"
+#include "video_core/dirty_flags.h"
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/gpu.h"
+#include "video_core/renderer_vulkan/vk_state_tracker.h"
+
+#define OFF(field_name) MAXWELL3D_REG_INDEX(field_name)
+#define NUM(field_name) (sizeof(Maxwell3D::Regs::field_name) / sizeof(u32))
+
+namespace Vulkan {
+
+namespace {
+
+using namespace Dirty;
+using namespace VideoCommon::Dirty;
+using Tegra::Engines::Maxwell3D;
+using Regs = Maxwell3D::Regs;
+using Tables = Maxwell3D::DirtyState::Tables;
+using Table = Maxwell3D::DirtyState::Table;
+using Flags = Maxwell3D::DirtyState::Flags;
+
+Flags MakeInvalidationFlags() {
+    Flags flags{};
+    flags[Viewports] = true;
+    flags[Scissors] = true;
+    flags[DepthBias] = true;
+    flags[BlendConstants] = true;
+    flags[DepthBounds] = true;
+    flags[StencilProperties] = true;
+    return flags;
+}
+
+void SetupDirtyViewports(Tables& tables) {
+    FillBlock(tables[0], OFF(viewport_transform), NUM(viewport_transform), Viewports);
+    FillBlock(tables[0], OFF(viewports), NUM(viewports), Viewports);
+    tables[0][OFF(viewport_transform_enabled)] = Viewports;
+}
+
+void SetupDirtyScissors(Tables& tables) {
+    FillBlock(tables[0], OFF(scissor_test), NUM(scissor_test), Scissors);
+}
+
+void SetupDirtyDepthBias(Tables& tables) {
+    auto& table = tables[0];
+    table[OFF(polygon_offset_units)] = DepthBias;
+    table[OFF(polygon_offset_clamp)] = DepthBias;
+    table[OFF(polygon_offset_factor)] = DepthBias;
+}
+
+void SetupDirtyBlendConstants(Tables& tables) {
+    FillBlock(tables[0], OFF(blend_color), NUM(blend_color), BlendConstants);
+}
+
+void SetupDirtyDepthBounds(Tables& tables) {
+    FillBlock(tables[0], OFF(depth_bounds), NUM(depth_bounds), DepthBounds);
+}
+
+void SetupDirtyStencilProperties(Tables& tables) {
+    auto& table = tables[0];
+    table[OFF(stencil_two_side_enable)] = StencilProperties;
+    table[OFF(stencil_front_func_ref)] = StencilProperties;
+    table[OFF(stencil_front_mask)] = StencilProperties;
+    table[OFF(stencil_front_func_mask)] = StencilProperties;
+    table[OFF(stencil_back_func_ref)] = StencilProperties;
+    table[OFF(stencil_back_mask)] = StencilProperties;
+    table[OFF(stencil_back_func_mask)] = StencilProperties;
+}
+
+} // Anonymous namespace
+
+StateTracker::StateTracker(Core::System& system)
+    : system{system}, invalidation_flags{MakeInvalidationFlags()} {}
+
+void StateTracker::Initialize() {
+    auto& dirty = system.GPU().Maxwell3D().dirty;
+    auto& tables = dirty.tables;
+    SetupDirtyRenderTargets(tables);
+    SetupDirtyViewports(tables);
+    SetupDirtyScissors(tables);
+    SetupDirtyDepthBias(tables);
+    SetupDirtyBlendConstants(tables);
+    SetupDirtyDepthBounds(tables);
+    SetupDirtyStencilProperties(tables);
+
+    SetupCommonOnWriteStores(dirty.on_write_stores);
+}
+
+void StateTracker::InvalidateCommandBufferState() {
+    system.GPU().Maxwell3D().dirty.flags |= invalidation_flags;
+}
+
+} // namespace Vulkan

src/video_core/renderer_vulkan/vk_state_tracker.h

@@ -0,0 +1,79 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstddef>
+#include <limits>
+
+#include "common/common_types.h"
+#include "core/core.h"
+#include "video_core/dirty_flags.h"
+#include "video_core/engines/maxwell_3d.h"
+
+namespace Vulkan {
+
+namespace Dirty {
+
+enum : u8 {
+    First = VideoCommon::Dirty::LastCommonEntry,
+
+    Viewports,
+    Scissors,
+    DepthBias,
+    BlendConstants,
+    DepthBounds,
+    StencilProperties,
+
+    Last
+};
+static_assert(Last <= std::numeric_limits<u8>::max());
+
+} // namespace Dirty
+
+class StateTracker {
+public:
+    explicit StateTracker(Core::System& system);
+
+    void Initialize();
+
+    void InvalidateCommandBufferState();
+
+    bool TouchViewports() {
+        return Exchange(Dirty::Viewports, false);
+    }
+
+    bool TouchScissors() {
+        return Exchange(Dirty::Scissors, false);
+    }
+
+    bool TouchDepthBias() {
+        return Exchange(Dirty::DepthBias, false);
+    }
+
+    bool TouchBlendConstants() {
+        return Exchange(Dirty::BlendConstants, false);
+    }
+
+    bool TouchDepthBounds() {
+        return Exchange(Dirty::DepthBounds, false);
+    }
+
+    bool TouchStencilProperties() {
+        return Exchange(Dirty::StencilProperties, false);
+    }
+
+private:
+    bool Exchange(std::size_t id, bool new_value) const noexcept {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        const bool is_dirty = flags[id];
+        flags[id] = new_value;
+        return is_dirty;
+    }
+
+    Core::System& system;
+    Tegra::Engines::Maxwell3D::DirtyState::Flags invalidation_flags;
+};
+
+} // namespace Vulkan

src/video_core/renderer_vulkan/vk_texture_cache.cpp

@@ -22,6 +22,7 @@
 #include "video_core/renderer_vulkan/vk_device.h"
 #include "video_core/renderer_vulkan/vk_memory_manager.h"
 #include "video_core/renderer_vulkan/vk_rasterizer.h"
+#include "video_core/renderer_vulkan/vk_scheduler.h"
 #include "video_core/renderer_vulkan/vk_staging_buffer_pool.h"
 #include "video_core/renderer_vulkan/vk_texture_cache.h"
 #include "video_core/surface.h"

src/video_core/texture_cache/texture_cache.h

@@ -22,6 +22,7 @@
 #include "core/core.h"
 #include "core/memory.h"
 #include "core/settings.h"
+#include "video_core/dirty_flags.h"
 #include "video_core/engines/fermi_2d.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/gpu.h"
@@ -142,11 +143,10 @@ public:
     TView GetDepthBufferSurface(bool preserve_contents) {
         std::lock_guard lock{mutex};
         auto& maxwell3d = system.GPU().Maxwell3D();
-
+        if (!maxwell3d.dirty.flags[VideoCommon::Dirty::ZetaBuffer]) {
-        if (!maxwell3d.dirty.depth_buffer) {
             return depth_buffer.view;
         }
-        maxwell3d.dirty.depth_buffer = false;
+        maxwell3d.dirty.flags[VideoCommon::Dirty::ZetaBuffer] = false;
 
         const auto& regs{maxwell3d.regs};
         const auto gpu_addr{regs.zeta.Address()};
@@ -175,10 +175,10 @@ public:
         std::lock_guard lock{mutex};
         ASSERT(index < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets);
         auto& maxwell3d = system.GPU().Maxwell3D();
-        if (!maxwell3d.dirty.render_target[index]) {
+        if (!maxwell3d.dirty.flags[VideoCommon::Dirty::ColorBuffer0 + index]) {
             return render_targets[index].view;
         }
-        maxwell3d.dirty.render_target[index] = false;
+        maxwell3d.dirty.flags[VideoCommon::Dirty::ColorBuffer0 + index] = false;
 
         const auto& regs{maxwell3d.regs};
         if (index >= regs.rt_control.count || regs.rt[index].Address() == 0 ||
@@ -320,14 +320,14 @@ protected:
     virtual void BufferCopy(TSurface& src_surface, TSurface& dst_surface) = 0;
 
     void ManageRenderTargetUnregister(TSurface& surface) {
-        auto& maxwell3d = system.GPU().Maxwell3D();
+        auto& dirty = system.GPU().Maxwell3D().dirty;
         const u32 index = surface->GetRenderTarget();
         if (index == DEPTH_RT) {
-            maxwell3d.dirty.depth_buffer = true;
+            dirty.flags[VideoCommon::Dirty::ZetaBuffer] = true;
         } else {
-            maxwell3d.dirty.render_target[index] = true;
+            dirty.flags[VideoCommon::Dirty::ColorBuffer0 + index] = true;
         }
-        maxwell3d.dirty.render_settings = true;
+        dirty.flags[VideoCommon::Dirty::RenderTargets] = true;
     }
 
     void Register(TSurface surface) {