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texture_cache: Optimize GetSurface and use references on functions that don't change a surface.

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This commit is contained in:
Fernando Sahmkow
2019-06-01 22:15:55 -04:00
committed by ReinUsesLisp
parent 60bf761afb
commit 3809041c24
3 changed files with 12 additions and 12 deletions
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12
src/video_core/texture_cache/texture_cache.h
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@ -234,15 +234,15 @@ protected:
virtual TSurface CreateSurface(GPUVAddr gpu_addr, const SurfaceParams& params) = 0;
virtual void ImageCopy(TSurface src_surface, TSurface dst_surface,
virtual void ImageCopy(TSurface& src_surface, TSurface& dst_surface,
const CopyParams& copy_params) = 0;
virtual void ImageBlit(TView src_view, TView dst_view,
virtual void ImageBlit(TView& src_view, TView& dst_view,
const Tegra::Engines::Fermi2D::Config& copy_config) = 0;
// Depending on the backend, a buffer copy can be slow as it means deoptimizing the texture
// and reading it from a sepparate buffer.
virtual void BufferCopy(TSurface src_surface, TSurface dst_surface) = 0;
virtual void BufferCopy(TSurface& src_surface, TSurface& dst_surface) = 0;
void Register(TSurface surface) {
std::lock_guard lock{mutex};
@ -516,8 +516,9 @@ private:
// Step 1
// Check Level 1 Cache for a fast structural match. If candidate surface
// matches at certain level we are pretty much done.
if (l1_cache.count(cache_addr) > 0) {
TSurface current_surface = l1_cache[cache_addr];
auto iter = l1_cache.find(cache_addr);
if (iter != l1_cache.end()) {
TSurface& current_surface = iter->second;
auto topological_result = current_surface->MatchesTopology(params);
if (topological_result != MatchTopologyResult::FullMatch) {
std::vector<TSurface> overlaps{current_surface};
@ -526,7 +527,6 @@ private:
}
MatchStructureResult s_result = current_surface->MatchesStructure(params);
if (s_result != MatchStructureResult::None &&
current_surface->GetGpuAddr() == gpu_addr &&
(params.target != SurfaceTarget::Texture3D ||
current_surface->MatchTarget(params.target))) {
if (s_result == MatchStructureResult::FullMatch) {