GL_Rasterizer: Rework RenderTarget/DepthBuffer clearing
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@ -568,7 +568,6 @@ void Maxwell3D::FinishCBData() {
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const u32 id = cb_data_state.id;
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memory_manager.WriteBlock(address, cb_data_state.buff[id].data(), size);
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dirty.ResetRenderTargets();
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cb_data_state.id = null_cb_data;
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cb_data_state.current = null_cb_data;
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@ -105,6 +105,7 @@ RasterizerOpenGL::RasterizerOpenGL(Core::System& system, Core::Frontend::EmuWind
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shader_program_manager = std::make_unique<GLShader::ProgramManager>();
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state.draw.shader_program = 0;
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state.Apply();
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clear_framebuffer.Create();
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LOG_DEBUG(Render_OpenGL, "Sync fixed function OpenGL state here");
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CheckExtensions();
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@ -546,12 +547,63 @@ std::pair<bool, bool> RasterizerOpenGL::ConfigureFramebuffers(
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return current_depth_stencil_usage = {static_cast<bool>(depth_surface), fbkey.stencil_enable};
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}
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void RasterizerOpenGL::ConfigureClearFramebuffer(OpenGLState& current_state, bool using_color_fb,
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bool using_depth_fb, bool using_stencil_fb) {
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auto& gpu = system.GPU().Maxwell3D();
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const auto& regs = gpu.regs;
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texture_cache.GuardRenderTargets(true);
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View color_surface{};
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if (using_color_fb) {
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color_surface = texture_cache.GetColorBufferSurface(regs.clear_buffers.RT, false);
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}
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View depth_surface{};
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if (using_depth_fb || using_stencil_fb) {
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depth_surface = texture_cache.GetDepthBufferSurface(false);
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}
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texture_cache.GuardRenderTargets(false);
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current_state.draw.draw_framebuffer = clear_framebuffer.handle;
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current_state.ApplyFramebufferState();
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if (color_surface) {
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color_surface->Attach(GL_COLOR_ATTACHMENT0, GL_DRAW_FRAMEBUFFER);
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} else {
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glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
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}
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if (depth_surface) {
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const auto& params = depth_surface->GetSurfaceParams();
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switch (params.type) {
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case VideoCore::Surface::SurfaceType::Depth: {
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depth_surface->Attach(GL_DEPTH_ATTACHMENT, GL_DRAW_FRAMEBUFFER);
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glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
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break;
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}
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case VideoCore::Surface::SurfaceType::DepthStencil: {
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depth_surface->Attach(GL_DEPTH_ATTACHMENT, GL_DRAW_FRAMEBUFFER);
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break;
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}
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default: { UNIMPLEMENTED(); }
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}
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} else {
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glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0,
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0);
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}
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}
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void RasterizerOpenGL::Clear() {
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const auto& regs = system.GPU().Maxwell3D().regs;
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bool use_color{};
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bool use_depth{};
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bool use_stencil{};
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OpenGLState prev_state{OpenGLState::GetCurState()};
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SCOPE_EXIT({
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prev_state.AllDirty();
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prev_state.Apply();
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});
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OpenGLState clear_state;
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if (regs.clear_buffers.R || regs.clear_buffers.G || regs.clear_buffers.B ||
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regs.clear_buffers.A) {
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@ -608,8 +660,8 @@ void RasterizerOpenGL::Clear() {
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return;
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}
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const auto [clear_depth, clear_stencil] = ConfigureFramebuffers(
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clear_state, use_color, use_depth || use_stencil, false, regs.clear_buffers.RT.Value());
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ConfigureClearFramebuffer(clear_state, use_color, use_depth, use_stencil);
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SyncViewport(clear_state);
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if (regs.clear_flags.scissor) {
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SyncScissorTest(clear_state);
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}
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@ -625,14 +677,14 @@ void RasterizerOpenGL::Clear() {
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clear_state.ApplyFramebufferState();
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if (use_color) {
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glClearBufferfv(GL_COLOR, regs.clear_buffers.RT, regs.clear_color);
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glClearBufferfv(GL_COLOR, 0, regs.clear_color);
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}
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if (clear_depth && clear_stencil) {
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if (use_depth && use_stencil) {
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glClearBufferfi(GL_DEPTH_STENCIL, 0, regs.clear_depth, regs.clear_stencil);
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} else if (clear_depth) {
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} else if (use_depth) {
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glClearBufferfv(GL_DEPTH, 0, ®s.clear_depth);
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} else if (clear_stencil) {
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} else if (use_stencil) {
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glClearBufferiv(GL_STENCIL, 0, ®s.clear_stencil);
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}
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}
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@ -108,6 +108,9 @@ private:
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OpenGLState& current_state, bool using_color_fb = true, bool using_depth_fb = true,
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bool preserve_contents = true, std::optional<std::size_t> single_color_target = {});
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void ConfigureClearFramebuffer(OpenGLState& current_state, bool using_color_fb,
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bool using_depth_fb, bool using_stencil_fb);
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/// Configures the current constbuffers to use for the draw command.
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void SetupDrawConstBuffers(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage,
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const Shader& shader);
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@ -227,6 +230,8 @@ private:
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enum class AccelDraw { Disabled, Arrays, Indexed };
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AccelDraw accelerate_draw = AccelDraw::Disabled;
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OGLFramebuffer clear_framebuffer;
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using CachedPageMap = boost::icl::interval_map<u64, int>;
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CachedPageMap cached_pages;
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};
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