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fermi_2d: Add support for more accurate surface copies.
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@ -47,9 +47,12 @@ void Fermi2D::HandleSurfaceCopy() {
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u32 dst_bytes_per_pixel = RenderTargetBytesPerPixel(regs.dst.format);
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if (!rasterizer.AccelerateSurfaceCopy(regs.src, regs.dst)) {
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// TODO(bunnei): The below implementation currently will not get hit, as
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// AccelerateSurfaceCopy tries to always copy and will always return success. This should be
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// changed once we properly support flushing.
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rasterizer.FlushRegion(source_cpu, src_bytes_per_pixel * regs.src.width * regs.src.height);
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// We have to invalidate the destination region to evict any outdated surfaces from the
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// cache. We do this before actually writing the new data because the destination address
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// might contain a dirty surface that will have to be written back to memory.
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rasterizer.InvalidateRegion(dest_cpu,
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dst_bytes_per_pixel * regs.dst.width * regs.dst.height);
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if (regs.src.linear == regs.dst.linear) {
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// If the input layout and the output layout are the same, just perform a raw copy.
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@ -659,6 +659,12 @@ void RasterizerOpenGL::FlushAndInvalidateRegion(VAddr addr, u64 size) {
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bool RasterizerOpenGL::AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
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const Tegra::Engines::Fermi2D::Regs::Surface& dst) {
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MICROPROFILE_SCOPE(OpenGL_Blits);
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if (Settings::values.use_accurate_gpu_emulation) {
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// Skip the accelerated copy and perform a slow but more accurate copy
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return false;
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}
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res_cache.FermiCopySurface(src, dst);
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return true;
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}
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