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gl_rasterizer: Skip framebuffer configuration if rendertargets have not been changed
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@ -488,7 +488,19 @@ void RasterizerOpenGL::ConfigureFramebuffers(OpenGLState& current_state, bool us
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bool using_depth_fb, bool preserve_contents,
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std::optional<std::size_t> single_color_target) {
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MICROPROFILE_SCOPE(OpenGL_Framebuffer);
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const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
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const auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
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const auto& regs = gpu.regs;
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const FramebufferConfigState fb_config_state{using_color_fb, using_depth_fb, preserve_contents,
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single_color_target};
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if (fb_config_state == current_framebuffer_config_state && gpu.dirty_flags.color_buffer == 0 &&
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!gpu.dirty_flags.zeta_buffer) {
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// Only skip if the previous ConfigureFramebuffers call was from the same kind (multiple or
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// single color targets). This is done because the guest registers may not change but the
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// host framebuffer may contain different attachments
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return;
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}
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current_framebuffer_config_state = fb_config_state;
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Surface depth_surface;
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if (using_depth_fb) {
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@ -94,6 +94,23 @@ private:
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float max_anisotropic = 1.0f;
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};
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struct FramebufferConfigState {
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bool using_color_fb{};
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bool using_depth_fb{};
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bool preserve_contents{};
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std::optional<std::size_t> single_color_target;
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bool operator==(const FramebufferConfigState& rhs) const {
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return std::tie(using_color_fb, using_depth_fb, preserve_contents,
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single_color_target) == std::tie(rhs.using_color_fb, rhs.using_depth_fb,
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rhs.preserve_contents,
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rhs.single_color_target);
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}
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bool operator!=(const FramebufferConfigState& rhs) const {
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return !operator==(rhs);
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}
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};
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/**
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* Configures the color and depth framebuffer states.
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* @param use_color_fb If true, configure color framebuffers.
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@ -197,6 +214,7 @@ private:
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vertex_array_cache;
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std::map<FramebufferCacheKey, OGLFramebuffer> framebuffer_cache;
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FramebufferConfigState current_framebuffer_config_state;
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std::array<SamplerInfo, Tegra::Engines::Maxwell3D::Regs::NumTextureSamplers> texture_samplers;
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