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gl_rasterizer_cache: Blit when possible on RecreateSurface.
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@ -780,7 +780,10 @@ Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params, bool pres
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} else if (preserve_contents) {
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// If surface parameters changed and we care about keeping the previous data, recreate
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// the surface from the old one
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return RecreateSurface(surface, params);
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UnregisterSurface(surface);
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Surface new_surface{RecreateSurface(surface, params)};
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RegisterSurface(new_surface);
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return new_surface;
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} else {
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// Delete the old surface before creating a new one to prevent collisions.
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UnregisterSurface(surface);
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@ -813,6 +816,14 @@ Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& surface,
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// Create a new surface with the new parameters, and blit the previous surface to it
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Surface new_surface{std::make_shared<CachedSurface>(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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BlitTextures(surface->Texture().handle, params.GetRect(), new_surface->Texture().handle,
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new_surface->GetSurfaceParams().GetRect(), params.type,
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read_framebuffer.handle, draw_framebuffer.handle);
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return new_surface;
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}
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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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@ -872,10 +883,6 @@ Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& surface,
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pbo.Release();
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// Update cache accordingly
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UnregisterSurface(surface);
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RegisterSurface(new_surface);
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return new_surface;
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}
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