7 files changed, 233 insertions, 40 deletions

diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 0bb5c068c..0432a9e10 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -105,6 +105,7 @@ RasterizerOpenGL::RasterizerOpenGL(Core::System& system, Core::Frontend::EmuWind
     shader_program_manager = std::make_unique<GLShader::ProgramManager>();
     state.draw.shader_program = 0;
     state.Apply();
+    clear_framebuffer.Create();
 
     LOG_DEBUG(Render_OpenGL, "Sync fixed function OpenGL state here");
     CheckExtensions();
@@ -124,10 +125,10 @@ GLuint RasterizerOpenGL::SetupVertexFormat() {
     auto& gpu = system.GPU().Maxwell3D();
     const auto& regs = gpu.regs;
 
-    if (!gpu.dirty_flags.vertex_attrib_format) {
+    if (!gpu.dirty.vertex_attrib_format) {
         return state.draw.vertex_array;
     }
-    gpu.dirty_flags.vertex_attrib_format = false;
+    gpu.dirty.vertex_attrib_format = false;
 
     MICROPROFILE_SCOPE(OpenGL_VAO);
 
@@ -181,7 +182,7 @@ GLuint RasterizerOpenGL::SetupVertexFormat() {
     }
 
     // Rebinding the VAO invalidates the vertex buffer bindings.
-    gpu.dirty_flags.vertex_array.set();
+    gpu.dirty.ResetVertexArrays();
 
     state.draw.vertex_array = vao_entry.handle;
     return vao_entry.handle;
@@ -189,17 +190,20 @@ GLuint RasterizerOpenGL::SetupVertexFormat() {
 
 void RasterizerOpenGL::SetupVertexBuffer(GLuint vao) {
     auto& gpu = system.GPU().Maxwell3D();
-    const auto& regs = gpu.regs;
-
-    if (gpu.dirty_flags.vertex_array.none())
+    if (!gpu.dirty.vertex_array_buffers)
         return;
+    gpu.dirty.vertex_array_buffers = false;
+
+    const auto& regs = gpu.regs;
 
     MICROPROFILE_SCOPE(OpenGL_VB);
 
     // Upload all guest vertex arrays sequentially to our buffer
     for (u32 index = 0; index < Maxwell::NumVertexArrays; ++index) {
-        if (!gpu.dirty_flags.vertex_array[index])
+        if (!gpu.dirty.vertex_array[index])
             continue;
+        gpu.dirty.vertex_array[index] = false;
+        gpu.dirty.vertex_instance[index] = false;
 
         const auto& vertex_array = regs.vertex_array[index];
         if (!vertex_array.IsEnabled())
@@ -224,8 +228,32 @@ void RasterizerOpenGL::SetupVertexBuffer(GLuint vao) {
             glVertexArrayBindingDivisor(vao, index, 0);
         }
     }
+}
+
+void RasterizerOpenGL::SetupVertexInstances(GLuint vao) {
+    auto& gpu = system.GPU().Maxwell3D();
+
+    if (!gpu.dirty.vertex_instances)
+        return;
+    gpu.dirty.vertex_instances = false;
 
-    gpu.dirty_flags.vertex_array.reset();
+    const auto& regs = gpu.regs;
+    // Upload all guest vertex arrays sequentially to our buffer
+    for (u32 index = 0; index < Maxwell::NumVertexArrays; ++index) {
+        if (!gpu.dirty.vertex_instance[index])
+            continue;
+
+        gpu.dirty.vertex_instance[index] = false;
+
+        if (regs.instanced_arrays.IsInstancingEnabled(index) &&
+            regs.vertex_array[index].divisor != 0) {
+            // Enable vertex buffer instancing with the specified divisor.
+            glVertexArrayBindingDivisor(vao, index, regs.vertex_array[index].divisor);
+        } else {
+            // Disable the vertex buffer instancing.
+            glVertexArrayBindingDivisor(vao, index, 0);
+        }
+    }
 }
 
 GLintptr RasterizerOpenGL::SetupIndexBuffer() {
@@ -341,7 +369,7 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
 
     SyncClipEnabled(clip_distances);
 
-    gpu.dirty_flags.shaders = false;
+    gpu.dirty.shaders = false;
 }
 
 std::size_t RasterizerOpenGL::CalculateVertexArraysSize() const {
@@ -424,13 +452,13 @@ std::pair<bool, bool> RasterizerOpenGL::ConfigureFramebuffers(
 
     const FramebufferConfigState fb_config_state{using_color_fb, using_depth_fb, preserve_contents,
                                                  single_color_target};
-    if (fb_config_state == current_framebuffer_config_state &&
-        gpu.dirty_flags.color_buffer.none() && !gpu.dirty_flags.zeta_buffer) {
+    if (fb_config_state == current_framebuffer_config_state && !gpu.dirty.render_settings) {
         // Only skip if the previous ConfigureFramebuffers call was from the same kind (multiple or
         // single color targets). This is done because the guest registers may not change but the
         // host framebuffer may contain different attachments
         return current_depth_stencil_usage;
     }
+    gpu.dirty.render_settings = false;
     current_framebuffer_config_state = fb_config_state;
 
     texture_cache.GuardRenderTargets(true);
@@ -519,13 +547,65 @@ std::pair<bool, bool> RasterizerOpenGL::ConfigureFramebuffers(
     return current_depth_stencil_usage = {static_cast<bool>(depth_surface), fbkey.stencil_enable};
 }
 
+void RasterizerOpenGL::ConfigureClearFramebuffer(OpenGLState& current_state, bool using_color_fb,
+                                                 bool using_depth_fb, bool using_stencil_fb) {
+    auto& gpu = system.GPU().Maxwell3D();
+    const auto& regs = gpu.regs;
+
+    texture_cache.GuardRenderTargets(true);
+    View color_surface{};
+    if (using_color_fb) {
+        color_surface = texture_cache.GetColorBufferSurface(regs.clear_buffers.RT, false);
+    }
+    View depth_surface{};
+    if (using_depth_fb || using_stencil_fb) {
+        depth_surface = texture_cache.GetDepthBufferSurface(false);
+    }
+    texture_cache.GuardRenderTargets(false);
+
+    current_state.draw.draw_framebuffer = clear_framebuffer.handle;
+    current_state.ApplyFramebufferState();
+
+    if (color_surface) {
+        color_surface->Attach(GL_COLOR_ATTACHMENT0, GL_DRAW_FRAMEBUFFER);
+    } else {
+        glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
+    }
+
+    if (depth_surface) {
+        const auto& params = depth_surface->GetSurfaceParams();
+        switch (params.type) {
+        case VideoCore::Surface::SurfaceType::Depth: {
+            depth_surface->Attach(GL_DEPTH_ATTACHMENT, GL_DRAW_FRAMEBUFFER);
+            glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
+            break;
+        }
+        case VideoCore::Surface::SurfaceType::DepthStencil: {
+            depth_surface->Attach(GL_DEPTH_ATTACHMENT, GL_DRAW_FRAMEBUFFER);
+            break;
+        }
+        default: { UNIMPLEMENTED(); }
+        }
+    } else {
+        glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0,
+                               0);
+    }
+}
+
 void RasterizerOpenGL::Clear() {
     const auto& regs = system.GPU().Maxwell3D().regs;
     bool use_color{};
     bool use_depth{};
     bool use_stencil{};
 
-    OpenGLState clear_state;
+    OpenGLState prev_state{OpenGLState::GetCurState()};
+    SCOPE_EXIT({
+        prev_state.AllDirty();
+        prev_state.Apply();
+    });
+
+    OpenGLState clear_state{OpenGLState::GetCurState()};
+    clear_state.SetDefaultViewports();
     if (regs.clear_buffers.R || regs.clear_buffers.G || regs.clear_buffers.B ||
         regs.clear_buffers.A) {
         use_color = true;
@@ -545,6 +625,7 @@ void RasterizerOpenGL::Clear() {
         // true.
         clear_state.depth.test_enabled = true;
         clear_state.depth.test_func = GL_ALWAYS;
+        clear_state.depth.write_mask = GL_TRUE;
     }
     if (regs.clear_buffers.S) {
         ASSERT_MSG(regs.zeta_enable != 0, "Tried to clear stencil but buffer is not enabled!");
@@ -581,8 +662,9 @@ void RasterizerOpenGL::Clear() {
         return;
     }
 
-    const auto [clear_depth, clear_stencil] = ConfigureFramebuffers(
-        clear_state, use_color, use_depth || use_stencil, false, regs.clear_buffers.RT.Value());
+    ConfigureClearFramebuffer(clear_state, use_color, use_depth, use_stencil);
+
+    SyncViewport(clear_state);
     if (regs.clear_flags.scissor) {
         SyncScissorTest(clear_state);
     }
@@ -591,21 +673,18 @@ void RasterizerOpenGL::Clear() {
         clear_state.EmulateViewportWithScissor();
     }
 
-    clear_state.ApplyColorMask();
-    clear_state.ApplyDepth();
-    clear_state.ApplyStencilTest();
-    clear_state.ApplyViewport();
-    clear_state.ApplyFramebufferState();
+    clear_state.AllDirty();
+    clear_state.Apply();
 
     if (use_color) {
-        glClearBufferfv(GL_COLOR, regs.clear_buffers.RT, regs.clear_color);
+        glClearBufferfv(GL_COLOR, 0, regs.clear_color);
     }
 
-    if (clear_depth && clear_stencil) {
+    if (use_depth && use_stencil) {
         glClearBufferfi(GL_DEPTH_STENCIL, 0, regs.clear_depth, regs.clear_stencil);
-    } else if (clear_depth) {
+    } else if (use_depth) {
         glClearBufferfv(GL_DEPTH, 0, &regs.clear_depth);
-    } else if (clear_stencil) {
+    } else if (use_stencil) {
         glClearBufferiv(GL_STENCIL, 0, &regs.clear_stencil);
     }
 }
@@ -661,6 +740,7 @@ void RasterizerOpenGL::DrawArrays() {
 
     // Upload vertex and index data.
     SetupVertexBuffer(vao);
+    SetupVertexInstances(vao);
     const GLintptr index_buffer_offset = SetupIndexBuffer();
 
     // Setup draw parameters. It will automatically choose what glDraw* method to use.
@@ -687,7 +767,7 @@ void RasterizerOpenGL::DrawArrays() {
 
     if (invalidate) {
         // As all cached buffers are invalidated, we need to recheck their state.
-        gpu.dirty_flags.vertex_array.set();
+        gpu.dirty.ResetVertexArrays();
     }
 
     shader_program_manager->ApplyTo(state);
@@ -700,6 +780,7 @@ void RasterizerOpenGL::DrawArrays() {
     params.DispatchDraw();
 
     accelerate_draw = AccelDraw::Disabled;
+    gpu.dirty.memory_general = false;
 }
 
 void RasterizerOpenGL::FlushAll() {}
@@ -907,10 +988,11 @@ void RasterizerOpenGL::SyncClipCoef() {
 }
 
 void RasterizerOpenGL::SyncCullMode() {
-    const auto& regs = system.GPU().Maxwell3D().regs;
+    auto& maxwell3d = system.GPU().Maxwell3D();
 
-    state.cull.enabled = regs.cull.enabled != 0;
+    const auto& regs = maxwell3d.regs;
 
+    state.cull.enabled = regs.cull.enabled != 0;
     if (state.cull.enabled) {
         state.cull.front_face = MaxwellToGL::FrontFace(regs.cull.front_face);
         state.cull.mode = MaxwellToGL::CullFace(regs.cull.cull_face);
@@ -943,16 +1025,21 @@ void RasterizerOpenGL::SyncDepthTestState() {
     state.depth.test_enabled = regs.depth_test_enable != 0;
     state.depth.write_mask = regs.depth_write_enabled ? GL_TRUE : GL_FALSE;
 
-    if (!state.depth.test_enabled)
+    if (!state.depth.test_enabled) {
         return;
+    }
 
     state.depth.test_func = MaxwellToGL::ComparisonOp(regs.depth_test_func);
 }
 
 void RasterizerOpenGL::SyncStencilTestState() {
-    const auto& regs = system.GPU().Maxwell3D().regs;
-    state.stencil.test_enabled = regs.stencil_enable != 0;
+    auto& maxwell3d = system.GPU().Maxwell3D();
+    if (!maxwell3d.dirty.stencil_test) {
+        return;
+    }
+    const auto& regs = maxwell3d.regs;
 
+    state.stencil.test_enabled = regs.stencil_enable != 0;
     if (!regs.stencil_enable) {
         return;
     }
@@ -981,10 +1068,17 @@ void RasterizerOpenGL::SyncStencilTestState() {
         state.stencil.back.action_depth_fail = GL_KEEP;
         state.stencil.back.action_depth_pass = GL_KEEP;
     }
+    state.MarkDirtyStencilState();
+    maxwell3d.dirty.stencil_test = false;
 }
 
 void RasterizerOpenGL::SyncColorMask() {
-    const auto& regs = system.GPU().Maxwell3D().regs;
+    auto& maxwell3d = system.GPU().Maxwell3D();
+    if (!maxwell3d.dirty.color_mask) {
+        return;
+    }
+    const auto& regs = maxwell3d.regs;
+
     const std::size_t count =
         regs.independent_blend_enable ? Tegra::Engines::Maxwell3D::Regs::NumRenderTargets : 1;
     for (std::size_t i = 0; i < count; i++) {
@@ -995,6 +1089,9 @@ void RasterizerOpenGL::SyncColorMask() {
         dest.blue_enabled = (source.B == 0) ? GL_FALSE : GL_TRUE;
         dest.alpha_enabled = (source.A == 0) ? GL_FALSE : GL_TRUE;
     }
+
+    state.MarkDirtyColorMask();
+    maxwell3d.dirty.color_mask = false;
 }
 
 void RasterizerOpenGL::SyncMultiSampleState() {
@@ -1009,7 +1106,11 @@ void RasterizerOpenGL::SyncFragmentColorClampState() {
 }
 
 void RasterizerOpenGL::SyncBlendState() {
-    const auto& regs = system.GPU().Maxwell3D().regs;
+    auto& maxwell3d = system.GPU().Maxwell3D();
+    if (!maxwell3d.dirty.blend_state) {
+        return;
+    }
+    const auto& regs = maxwell3d.regs;
 
     state.blend_color.red = regs.blend_color.r;
     state.blend_color.green = regs.blend_color.g;
@@ -1032,6 +1133,8 @@ void RasterizerOpenGL::SyncBlendState() {
         for (std::size_t i = 1; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
             state.blend[i].enabled = false;
         }
+        maxwell3d.dirty.blend_state = false;
+        state.MarkDirtyBlendState();
         return;
     }
 
@@ -1048,6 +1151,9 @@ void RasterizerOpenGL::SyncBlendState() {
         blend.src_a_func = MaxwellToGL::BlendFunc(src.factor_source_a);
         blend.dst_a_func = MaxwellToGL::BlendFunc(src.factor_dest_a);
     }
+
+    state.MarkDirtyBlendState();
+    maxwell3d.dirty.blend_state = false;
 }
 
 void RasterizerOpenGL::SyncLogicOpState() {
@@ -1099,13 +1205,21 @@ void RasterizerOpenGL::SyncPointState() {
 }
 
 void RasterizerOpenGL::SyncPolygonOffset() {
-    const auto& regs = system.GPU().Maxwell3D().regs;
+    auto& maxwell3d = system.GPU().Maxwell3D();
+    if (!maxwell3d.dirty.polygon_offset) {
+        return;
+    }
+    const auto& regs = maxwell3d.regs;
+
     state.polygon_offset.fill_enable = regs.polygon_offset_fill_enable != 0;
     state.polygon_offset.line_enable = regs.polygon_offset_line_enable != 0;
     state.polygon_offset.point_enable = regs.polygon_offset_point_enable != 0;
     state.polygon_offset.units = regs.polygon_offset_units;
     state.polygon_offset.factor = regs.polygon_offset_factor;
     state.polygon_offset.clamp = regs.polygon_offset_clamp;
+
+    state.MarkDirtyPolygonOffset();
+    maxwell3d.dirty.polygon_offset = false;
 }
 
 void RasterizerOpenGL::SyncAlphaTest() {
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index 40b571d58..ef34d3f54 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -108,6 +108,9 @@ private:
         OpenGLState& current_state, bool using_color_fb = true, bool using_depth_fb = true,
         bool preserve_contents = true, std::optional<std::size_t> single_color_target = {});
 
+    void ConfigureClearFramebuffer(OpenGLState& current_state, bool using_color_fb,
+                                   bool using_depth_fb, bool using_stencil_fb);
+
     /// Configures the current constbuffers to use for the draw command.
     void SetupDrawConstBuffers(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage,
                                const Shader& shader);
@@ -216,6 +219,7 @@ private:
     GLuint SetupVertexFormat();
 
     void SetupVertexBuffer(GLuint vao);
+    void SetupVertexInstances(GLuint vao);
 
     GLintptr SetupIndexBuffer();
 
@@ -226,6 +230,8 @@ private:
     enum class AccelDraw { Disabled, Arrays, Indexed };
     AccelDraw accelerate_draw = AccelDraw::Disabled;
 
+    OGLFramebuffer clear_framebuffer;
+
     using CachedPageMap = boost::icl::interval_map<u64, int>;
     CachedPageMap cached_pages;
 };
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp
index 32dd9eae7..456ba0403 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp
@@ -572,7 +572,7 @@ std::unordered_map<u64, UnspecializedShader> ShaderCacheOpenGL::GenerateUnspecia
 }
 
 Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {
-    if (!system.GPU().Maxwell3D().dirty_flags.shaders) {
+    if (!system.GPU().Maxwell3D().dirty.shaders) {
         return last_shaders[static_cast<std::size_t>(program)];
     }
 
diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp
index 0eae98afe..f4777d0b0 100644
--- a/src/video_core/renderer_opengl/gl_state.cpp
+++ b/src/video_core/renderer_opengl/gl_state.cpp
@@ -165,6 +165,25 @@ OpenGLState::OpenGLState() {
     alpha_test.ref = 0.0f;
 }
 
+void OpenGLState::SetDefaultViewports() {
+    for (auto& item : viewports) {
+        item.x = 0;
+        item.y = 0;
+        item.width = 0;
+        item.height = 0;
+        item.depth_range_near = 0.0f;
+        item.depth_range_far = 1.0f;
+        item.scissor.enabled = false;
+        item.scissor.x = 0;
+        item.scissor.y = 0;
+        item.scissor.width = 0;
+        item.scissor.height = 0;
+    }
+
+    depth_clamp.far_plane = false;
+    depth_clamp.near_plane = false;
+}
+
 void OpenGLState::ApplyDefaultState() {
     glEnable(GL_BLEND);
     glDisable(GL_FRAMEBUFFER_SRGB);
@@ -526,7 +545,7 @@ void OpenGLState::ApplySamplers() const {
     }
 }
 
-void OpenGLState::Apply() const {
+void OpenGLState::Apply() {
     MICROPROFILE_SCOPE(OpenGL_State);
     ApplyFramebufferState();
     ApplyVertexArrayState();
@@ -536,19 +555,31 @@ void OpenGLState::Apply() const {
     ApplyPointSize();
     ApplyFragmentColorClamp();
     ApplyMultisample();
+    if (dirty.color_mask) {
+        ApplyColorMask();
+        dirty.color_mask = false;
+    }
     ApplyDepthClamp();
-    ApplyColorMask();
     ApplyViewport();
-    ApplyStencilTest();
+    if (dirty.stencil_state) {
+        ApplyStencilTest();
+        dirty.stencil_state = false;
+    }
     ApplySRgb();
     ApplyCulling();
     ApplyDepth();
     ApplyPrimitiveRestart();
-    ApplyBlending();
+    if (dirty.blend_state) {
+        ApplyBlending();
+        dirty.blend_state = false;
+    }
     ApplyLogicOp();
     ApplyTextures();
     ApplySamplers();
-    ApplyPolygonOffset();
+    if (dirty.polygon_offset) {
+        ApplyPolygonOffset();
+        dirty.polygon_offset = false;
+    }
     ApplyAlphaTest();
 }
 
diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h
index b0140495d..fdf9a8a12 100644
--- a/src/video_core/renderer_opengl/gl_state.h
+++ b/src/video_core/renderer_opengl/gl_state.h
@@ -195,8 +195,9 @@ public:
         s_rgb_used = false;
     }
 
+    void SetDefaultViewports();
     /// Apply this state as the current OpenGL state
-    void Apply() const;
+    void Apply();
 
     void ApplyFramebufferState() const;
     void ApplyVertexArrayState() const;
@@ -237,11 +238,41 @@ public:
     /// 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;
 
     // Workaround for sRGB problems caused by QT not supporting srgb output
     static bool s_rgb_used;
+    struct {
+        bool blend_state;
+        bool stencil_state;
+        bool viewport_state;
+        bool polygon_offset;
+        bool color_mask;
+    } dirty{};
 };
 
 } // namespace OpenGL
diff --git a/src/video_core/renderer_opengl/gl_texture_cache.cpp b/src/video_core/renderer_opengl/gl_texture_cache.cpp
index b1f6bc7c2..8fcd39a69 100644
--- a/src/video_core/renderer_opengl/gl_texture_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_texture_cache.cpp
@@ -485,11 +485,15 @@ void TextureCacheOpenGL::ImageBlit(View& src_view, View& dst_view,
     const auto& dst_params{dst_view->GetSurfaceParams()};
 
     OpenGLState prev_state{OpenGLState::GetCurState()};
-    SCOPE_EXIT({ prev_state.Apply(); });
+    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.AllDirty();
     state.Apply();
 
     u32 buffers{};
diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp
index 9ecdddb0d..a05cef3b9 100644
--- a/src/video_core/renderer_opengl/renderer_opengl.cpp
+++ b/src/video_core/renderer_opengl/renderer_opengl.cpp
@@ -108,6 +108,7 @@ void RendererOpenGL::SwapBuffers(
 
     // Maintain the rasterizer's state as a priority
     OpenGLState prev_state = OpenGLState::GetCurState();
+    state.AllDirty();
     state.Apply();
 
     if (framebuffer) {
@@ -140,6 +141,7 @@ void RendererOpenGL::SwapBuffers(
     system.GetPerfStats().BeginSystemFrame();
 
     // Restore the rasterizer state
+    prev_state.AllDirty();
     prev_state.Apply();
 }
 
@@ -206,6 +208,7 @@ void RendererOpenGL::InitOpenGLObjects() {
     // Link shaders and get variable locations
     shader.CreateFromSource(vertex_shader, nullptr, fragment_shader);
     state.draw.shader_program = shader.handle;
+    state.AllDirty();
     state.Apply();
     uniform_modelview_matrix = glGetUniformLocation(shader.handle, "modelview_matrix");
     uniform_color_texture = glGetUniformLocation(shader.handle, "color_texture");
@@ -338,12 +341,14 @@ void RendererOpenGL::DrawScreenTriangles(const ScreenInfo& screen_info, float x,
     // Workaround brigthness problems in SMO by enabling sRGB in the final output
     // if it has been used in the frame. Needed because of this bug in QT: QTBUG-50987
     state.framebuffer_srgb.enabled = OpenGLState::GetsRGBUsed();
+    state.AllDirty();
     state.Apply();
     glNamedBufferSubData(vertex_buffer.handle, 0, sizeof(vertices), vertices.data());
     glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
     // Restore default state
     state.framebuffer_srgb.enabled = false;
     state.texture_units[0].texture = 0;
+    state.AllDirty();
     state.Apply();
     // Clear sRGB state for the next frame
     OpenGLState::ClearsRGBUsed();
@@ -388,6 +393,7 @@ void RendererOpenGL::CaptureScreenshot() {
     GLuint old_read_fb = state.draw.read_framebuffer;
     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};
@@ -407,6 +413,7 @@ void RendererOpenGL::CaptureScreenshot() {
     screenshot_framebuffer.Release();
     state.draw.read_framebuffer = old_read_fb;
     state.draw.draw_framebuffer = old_draw_fb;
+    state.AllDirty();
     state.Apply();
     glDeleteRenderbuffers(1, &renderbuffer);