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gl_rasterizer: Skip framebuffer configuration if rendertargets have not been changed

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This commit is contained in:
ReinUsesLisp 2019-01-07 02:22:00 -03:00
parent b683e41fca
commit 19cf995225
2 changed files with 31 additions and 1 deletions
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14
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -488,7 +488,19 @@ void RasterizerOpenGL::ConfigureFramebuffers(OpenGLState& current_state, bool us
bool using_depth_fb, bool preserve_contents,
std::optional<std::size_t> single_color_target) {
MICROPROFILE_SCOPE(OpenGL_Framebuffer);
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
const auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
const auto& regs = gpu.regs;
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 == 0 &&
!gpu.dirty_flags.zeta_buffer) {
// 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_framebuffer_config_state = fb_config_state;
Surface depth_surface;
if (using_depth_fb) {

18
src/video_core/renderer_opengl/gl_rasterizer.h
View file

@ -94,6 +94,23 @@ private:
float max_anisotropic = 1.0f;
};
struct FramebufferConfigState {
bool using_color_fb{};
bool using_depth_fb{};
bool preserve_contents{};
std::optional<std::size_t> single_color_target;
bool operator==(const FramebufferConfigState& rhs) const {
return std::tie(using_color_fb, using_depth_fb, preserve_contents,
single_color_target) == std::tie(rhs.using_color_fb, rhs.using_depth_fb,
rhs.preserve_contents,
rhs.single_color_target);
}
bool operator!=(const FramebufferConfigState& rhs) const {
return !operator==(rhs);
}
};
/**
* Configures the color and depth framebuffer states.
* @param use_color_fb If true, configure color framebuffers.
@ -197,6 +214,7 @@ private:
vertex_array_cache;
std::map<FramebufferCacheKey, OGLFramebuffer> framebuffer_cache;
FramebufferConfigState current_framebuffer_config_state;
std::array<SamplerInfo, Tegra::Engines::Maxwell3D::Regs::NumTextureSamplers> texture_samplers;