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Merge pull request #1295 from bunnei/accurate-copies
gl_rasterizer_cache: Improve accuracy of caching and copies.
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commit
522a11a11f
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@ -53,8 +53,6 @@ static VAddr TryGetCpuAddr(Tegra::GPUVAddr gpu_addr) {
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params.width = Common::AlignUp(config.tic.Width(), GetCompressionFactor(params.pixel_format));
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params.width = Common::AlignUp(config.tic.Width(), GetCompressionFactor(params.pixel_format));
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params.height = Common::AlignUp(config.tic.Height(), GetCompressionFactor(params.pixel_format));
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params.height = Common::AlignUp(config.tic.Height(), GetCompressionFactor(params.pixel_format));
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params.unaligned_height = config.tic.Height();
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params.unaligned_height = config.tic.Height();
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params.cache_width = Common::AlignUp(params.width, 8);
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params.cache_height = Common::AlignUp(params.height, 8);
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params.target = SurfaceTargetFromTextureType(config.tic.texture_type);
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params.target = SurfaceTargetFromTextureType(config.tic.texture_type);
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switch (params.target) {
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switch (params.target) {
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@ -89,8 +87,6 @@ static VAddr TryGetCpuAddr(Tegra::GPUVAddr gpu_addr) {
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params.width = config.width;
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params.width = config.width;
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params.height = config.height;
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params.height = config.height;
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params.unaligned_height = config.height;
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params.unaligned_height = config.height;
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params.cache_width = Common::AlignUp(params.width, 8);
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params.cache_height = Common::AlignUp(params.height, 8);
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params.target = SurfaceTarget::Texture2D;
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params.target = SurfaceTarget::Texture2D;
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params.depth = 1;
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params.depth = 1;
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params.size_in_bytes = params.SizeInBytes();
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params.size_in_bytes = params.SizeInBytes();
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@ -110,8 +106,6 @@ static VAddr TryGetCpuAddr(Tegra::GPUVAddr gpu_addr) {
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params.width = zeta_width;
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params.width = zeta_width;
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params.height = zeta_height;
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params.height = zeta_height;
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params.unaligned_height = zeta_height;
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params.unaligned_height = zeta_height;
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params.cache_width = Common::AlignUp(params.width, 8);
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params.cache_height = Common::AlignUp(params.height, 8);
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params.target = SurfaceTarget::Texture2D;
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params.target = SurfaceTarget::Texture2D;
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params.depth = 1;
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params.depth = 1;
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params.size_in_bytes = params.SizeInBytes();
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params.size_in_bytes = params.SizeInBytes();
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@ -814,16 +808,20 @@ Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& surface,
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// Get a new surface with the new parameters, and blit the previous surface to it
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// Get a new surface with the new parameters, and blit the previous surface to it
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Surface new_surface{GetUncachedSurface(new_params)};
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Surface new_surface{GetUncachedSurface(new_params)};
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// If format is unchanged, we can do a faster blit without reinterpreting pixel data
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if (params.pixel_format == new_params.pixel_format ||
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if (params.pixel_format == new_params.pixel_format) {
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!Settings::values.use_accurate_framebuffers) {
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// If the format is the same, just do a framebuffer blit. This is significantly faster than
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// using PBOs. The is also likely less accurate, as textures will be converted rather than
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// reinterpreted.
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BlitTextures(surface->Texture().handle, params.GetRect(), new_surface->Texture().handle,
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BlitTextures(surface->Texture().handle, params.GetRect(), new_surface->Texture().handle,
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params.GetRect(), params.type, read_framebuffer.handle,
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params.GetRect(), params.type, read_framebuffer.handle,
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draw_framebuffer.handle);
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draw_framebuffer.handle);
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return new_surface;
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} else {
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}
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// When use_accurate_framebuffers setting is enabled, perform a more accurate surface copy,
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// where pixels are reinterpreted as a new format (without conversion). This code path uses
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// OpenGL PBOs and is quite slow.
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// When using accurate framebuffers, always copy old data to new surface, regardless of format
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if (Settings::values.use_accurate_framebuffers) {
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auto source_format = GetFormatTuple(params.pixel_format, params.component_type);
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auto source_format = GetFormatTuple(params.pixel_format, params.component_type);
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auto dest_format = GetFormatTuple(new_params.pixel_format, new_params.component_type);
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auto dest_format = GetFormatTuple(new_params.pixel_format, new_params.component_type);
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@ -680,8 +680,8 @@ struct SurfaceParams {
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/// Checks if surfaces are compatible for caching
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/// Checks if surfaces are compatible for caching
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bool IsCompatibleSurface(const SurfaceParams& other) const {
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bool IsCompatibleSurface(const SurfaceParams& other) const {
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return std::tie(pixel_format, type, cache_width, cache_height) ==
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return std::tie(pixel_format, type, width, height) ==
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std::tie(other.pixel_format, other.type, other.cache_width, other.cache_height);
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std::tie(other.pixel_format, other.type, other.width, other.height);
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}
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}
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VAddr addr;
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VAddr addr;
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@ -696,10 +696,6 @@ struct SurfaceParams {
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u32 unaligned_height;
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u32 unaligned_height;
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size_t size_in_bytes;
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size_t size_in_bytes;
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SurfaceTarget target;
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SurfaceTarget target;
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// Parameters used for caching only
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u32 cache_width;
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u32 cache_height;
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};
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};
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}; // namespace OpenGL
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}; // namespace OpenGL
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