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gl_state_tracker: Implement dirty flags for viewports
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dacf83ac02
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7f52efdf61
@ -906,13 +906,30 @@ void RasterizerOpenGL::SetupImage(u32 binding, const Tegra::Texture::TICEntry& t
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}
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void RasterizerOpenGL::SyncViewport() {
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const auto& regs = system.GPU().Maxwell3D().regs;
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for (std::size_t i = 0; i < Maxwell::NumViewports; ++i) {
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const auto& src = regs.viewports[i];
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const Common::Rectangle<f32> rect{regs.viewport_transform[i].GetRect()};
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glViewportIndexedf(static_cast<GLuint>(i), rect.left, rect.bottom, rect.GetWidth(),
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rect.GetHeight());
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glDepthRangef(src.depth_range_near, src.depth_range_far);
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auto& gpu = system.GPU().Maxwell3D();
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auto& flags = gpu.dirty.flags;
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const auto& regs = gpu.regs;
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if (flags[Dirty::Viewports]) {
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flags[Dirty::Viewports] = false;
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const bool force = flags[Dirty::ViewportTransform];
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flags[Dirty::ViewportTransform] = false;
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for (std::size_t i = 0; i < Maxwell::NumViewports; ++i) {
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if (!force && !flags[Dirty::Viewport0 + i]) {
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continue;
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}
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flags[Dirty::Viewport0 + i] = false;
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const Common::Rectangle<f32> rect{regs.viewport_transform[i].GetRect()};
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glViewportIndexedf(static_cast<GLuint>(i), rect.left, rect.bottom, rect.GetWidth(),
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rect.GetHeight());
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const auto& src = regs.viewports[i];
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glDepthRangeIndexed(static_cast<GLuint>(i), static_cast<GLdouble>(src.depth_range_near),
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static_cast<GLdouble>(src.depth_range_far));
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}
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}
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bool flip_y = false;
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@ -61,6 +61,22 @@ void SetupDirtyRenderTargets(Tables& tables) {
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}
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}
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void SetupDirtyViewports(Tables& tables) {
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for (std::size_t i = 0; i < Regs::NumViewports; ++i) {
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const std::size_t transf_offset = OFF(viewport_transform) + i * NUM(viewport_transform[0]);
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const std::size_t viewport_offset = OFF(viewports) + i * NUM(viewports[0]);
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FillBlock(tables[0], transf_offset, NUM(viewport_transform[0]), Viewport0 + i);
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FillBlock(tables[0], viewport_offset, NUM(viewports[0]), Viewport0 + i);
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}
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FillBlock(tables[1], OFF(viewport_transform), NUM(viewport_transform), Viewports);
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FillBlock(tables[1], OFF(viewports), NUM(viewports), Viewports);
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tables[0][OFF(viewport_transform_enabled)] = ViewportTransform;
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tables[1][OFF(viewport_transform_enabled)] = Viewports;
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}
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} // Anonymous namespace
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StateTracker::StateTracker(Core::System& system) : system{system} {}
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@ -80,6 +96,7 @@ void StateTracker::Initialize() {
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auto& tables = dirty.tables;
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SetupDirtyRenderTargets(tables);
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SetupDirtyViewports(tables);
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}
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} // namespace OpenGL
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@ -23,6 +23,7 @@ enum : u8 {
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VertexInstances,
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Shaders,
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Viewports,
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ViewportTransform,
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CullTestEnable,
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FrontFace,
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CullFace,
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@ -33,7 +34,8 @@ enum : u8 {
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BlendState,
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PolygonOffset,
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VertexBuffer0 = PolygonOffset + 8,
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Viewport0,
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VertexBuffer0 = Viewport0 + 16,
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VertexInstance0 = VertexBuffer0 + 32,
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};
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}
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@ -44,6 +46,12 @@ public:
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void Initialize();
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void NotifyViewport0() {
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auto& flags = system.GPU().Maxwell3D().dirty.flags;
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flags[OpenGL::Dirty::Viewports] = true;
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flags[OpenGL::Dirty::Viewport0] = true;
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}
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void NotifyFramebuffer() {
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auto& flags = system.GPU().Maxwell3D().dirty.flags;
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flags[VideoCommon::Dirty::RenderTargets] = true;
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@ -576,6 +576,7 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
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glNamedBufferSubData(vertex_buffer.handle, 0, sizeof(vertices), std::data(vertices));
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// TODO: Signal state tracker about these changes
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state_tracker.NotifyViewport0();
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state_tracker.NotifyFramebuffer();
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program_manager.UseVertexShader(vertex_program.handle);
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@ -601,7 +602,9 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
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glFrontFace(GL_CW);
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glColorMaski(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
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glClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
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glViewport(0, 0, layout.width, layout.height);
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glViewportIndexedf(0, 0.0f, 0.0f, static_cast<GLfloat>(layout.width),
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static_cast<GLfloat>(layout.height));
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glDepthRangeIndexed(0, 0.0, 0.0);
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glVertexAttribFormat(PositionLocation, 2, GL_FLOAT, GL_FALSE,
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offsetof(ScreenRectVertex, position));
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