gl_state_tracker: Implement dirty flags for sRGB

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -1301,8 +1301,14 @@ void RasterizerOpenGL::SyncAlphaTest() {
 }
 
 void RasterizerOpenGL::SyncFramebufferSRGB() {
-    const auto& regs = system.GPU().Maxwell3D().regs;
-    oglEnable(GL_FRAMEBUFFER_SRGB, regs.framebuffer_srgb);
+    auto& gpu = system.GPU().Maxwell3D();
+    auto& flags = gpu.dirty.flags;
+    if (!flags[Dirty::FramebufferSRGB]) {
+        return;
+    }
+    flags[Dirty::FramebufferSRGB] = false;
+
+    oglEnable(GL_FRAMEBUFFER_SRGB, gpu.regs.framebuffer_srgb);
 }
 
 } // namespace OpenGL

src/video_core/renderer_opengl/gl_state_tracker.cpp

@@ -193,6 +193,10 @@ void SetupDirtyRasterizeEnable(Tables& tables) {
     tables[0][OFF(rasterize_enable)] = RasterizeEnable;
 }
 
+void SetupDirtyFramebufferSRGB(Tables& tables) {
+    tables[0][OFF(framebuffer_srgb)] = FramebufferSRGB;
+}
+
 void SetupDirtyMisc(Tables& tables) {
     auto& table = tables[0];
 
@@ -226,6 +230,7 @@ void StateTracker::Initialize() {
     SetupDirtyPolygonOffset(tables);
     SetupDirtyMultisampleControl(tables);
     SetupDirtyRasterizeEnable(tables);
+    SetupDirtyFramebufferSRGB(tables);
     SetupDirtyMisc(tables);
 
     auto& store = dirty.on_write_stores;

src/video_core/renderer_opengl/gl_state_tracker.h

@@ -67,6 +67,7 @@ enum : u8 {
     PolygonOffset,
     MultisampleControl,
     RasterizeEnable,
+    FramebufferSRGB,
 
     Last
 };
@@ -153,6 +154,11 @@ public:
         flags[OpenGL::Dirty::RasterizeEnable] = true;
     }
 
+    void NotifyFramebufferSRGB() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::FramebufferSRGB] = true;
+    }
+
 private:
     Core::System& system;
 };

src/video_core/renderer_opengl/gl_texture_cache.cpp

@@ -523,6 +523,7 @@ void TextureCacheOpenGL::ImageBlit(View& src_view, View& dst_view,
     state_tracker.NotifyBlend0();
     state_tracker.NotifyFramebuffer();
     state_tracker.NotifyRasterizeEnable();
+    state_tracker.NotifyFramebufferSRGB();
 
     if (dst_params.srgb_conversion) {
         glEnable(GL_FRAMEBUFFER_SRGB);

src/video_core/renderer_opengl/renderer_opengl.cpp

@@ -588,6 +588,7 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
     state_tracker.NotifyStencilTest();
     state_tracker.NotifyPolygonOffset();
     state_tracker.NotifyRasterizeEnable();
+    state_tracker.NotifyFramebufferSRGB();
 
     program_manager.UseVertexShader(vertex_program.handle);
     program_manager.UseGeometryShader(0);