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gl_rasterizer_cache: Use AccurateCopySurface for use_accurate_gpu_emulation.

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bunnei 2018-10-16 17:20:49 -04:00
parent ee7c2dbf5a
commit 43b9494a0f
2 changed files with 18 additions and 2 deletions
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17
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
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@ -1178,6 +1178,14 @@ void RasterizerCacheOpenGL::FermiCopySurface(
FastCopySurface(GetSurface(src_params, true), GetSurface(dst_params, false)); FastCopySurface(GetSurface(src_params, true), GetSurface(dst_params, false));
} }
void RasterizerCacheOpenGL::AccurateCopySurface(const Surface& src_surface,
const Surface& dst_surface) {
const auto& src_params{src_surface->GetSurfaceParams()};
const auto& dst_params{dst_surface->GetSurfaceParams()};
FlushRegion(src_params.addr, dst_params.size_in_bytes);
LoadSurface(dst_surface);
}
Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& old_surface, Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& old_surface,
const SurfaceParams& new_params) { const SurfaceParams& new_params) {
// Verify surface is compatible for blitting // Verify surface is compatible for blitting
@ -1186,6 +1194,12 @@ Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& old_surface,
// Get a new surface with the new parameters, and blit the previous surface to it // Get a new surface with the new parameters, and blit the previous surface to it
Surface new_surface{GetUncachedSurface(new_params)}; Surface new_surface{GetUncachedSurface(new_params)};
// With use_accurate_gpu_emulation enabled, do an accurate surface copy
if (Settings::values.use_accurate_gpu_emulation) {
AccurateCopySurface(old_surface, new_surface);
return new_surface;
}
// For compatible surfaces, we can just do fast glCopyImageSubData based copy // For compatible surfaces, we can just do fast glCopyImageSubData based copy
if (old_params.target == new_params.target && old_params.type == new_params.type && if (old_params.target == new_params.target && old_params.type == new_params.type &&
old_params.depth == new_params.depth && old_params.depth == 1 && old_params.depth == new_params.depth && old_params.depth == 1 &&
@ -1200,8 +1214,7 @@ Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& old_surface,
// reinterpreted. When use_accurate_gpu_emulation setting is enabled, perform a more accurate // reinterpreted. When use_accurate_gpu_emulation setting is enabled, perform a more accurate
// surface copy, where pixels are reinterpreted as a new format (without conversion). This // surface copy, where pixels are reinterpreted as a new format (without conversion). This
// code path uses OpenGL PBOs and is quite slow. // code path uses OpenGL PBOs and is quite slow.
const bool is_blit{old_params.pixel_format == new_params.pixel_format || const bool is_blit{old_params.pixel_format == new_params.pixel_format};
!Settings::values.use_accurate_gpu_emulation};
switch (new_params.target) { switch (new_params.target) {
case SurfaceParams::SurfaceTarget::Texture2D: case SurfaceParams::SurfaceTarget::Texture2D:

3
src/video_core/renderer_opengl/gl_rasterizer_cache.h
View file

@ -899,6 +899,9 @@ private:
/// Tries to get a reserved surface for the specified parameters /// Tries to get a reserved surface for the specified parameters
Surface TryGetReservedSurface(const SurfaceParams& params); Surface TryGetReservedSurface(const SurfaceParams& params);
/// Performs a slow but accurate surface copy, flushing to RAM and reinterpreting the data
void AccurateCopySurface(const Surface& src_surface, const Surface& dst_surface);
/// The surface reserve is a "backup" cache, this is where we put unique surfaces that have /// The surface reserve is a "backup" cache, this is where we put unique surfaces that have
/// previously been used. This is to prevent surfaces from being constantly created and /// previously been used. This is to prevent surfaces from being constantly created and
/// destroyed when used with different surface parameters. /// destroyed when used with different surface parameters.