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Merge pull request #4012 from ReinUsesLisp/mipmap-overlaps 

texture_cache: Handle overlaps with multiple subresources
This commit is contained in:
bunnei 2020-06-03 12:17:25 -04:00 committed by GitHub
parent 623b93a2b3 1ee1a5d3d6
commit c647999c61
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 44 additions and 29 deletions
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89
src/video_core/texture_cache/texture_cache.h
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@ -655,45 +655,63 @@ private:
**/
std::optional<std::pair<TSurface, TView>> TryReconstructSurface(VectorSurface& overlaps,
const SurfaceParams& params,
const GPUVAddr gpu_addr) {
GPUVAddr gpu_addr) {
if (params.target == SurfaceTarget::Texture3D) {
return {};
return std::nullopt;
}
bool modified = false;
const auto test_modified = [](TSurface& surface) { return surface->IsModified(); };
TSurface new_surface = GetUncachedSurface(gpu_addr, params);
u32 passed_tests = 0;
for (auto& surface : overlaps) {
const SurfaceParams& src_params = surface->GetSurfaceParams();
if (src_params.is_layered || src_params.num_levels > 1) {
// We send this cases to recycle as they are more complex to handle
return {};
}
const std::size_t candidate_size = surface->GetSizeInBytes();
auto mipmap_layer{new_surface->GetLayerMipmap(surface->GetGpuAddr())};
if (!mipmap_layer) {
continue;
}
const auto [layer, mipmap] = *mipmap_layer;
if (new_surface->GetMipmapSize(mipmap) != candidate_size) {
continue;
}
modified |= surface->IsModified();
// Now we got all the data set up
const u32 width = SurfaceParams::IntersectWidth(src_params, params, 0, mipmap);
const u32 height = SurfaceParams::IntersectHeight(src_params, params, 0, mipmap);
const CopyParams copy_params(0, 0, 0, 0, 0, layer, 0, mipmap, width, height, 1);
passed_tests++;
ImageCopy(surface, new_surface, copy_params);
}
if (passed_tests == 0) {
return {};
// In Accurate GPU all tests should pass, else we recycle
} else if (Settings::IsGPULevelExtreme() && passed_tests != overlaps.size()) {
return {};
}
if (std::none_of(overlaps.begin(), overlaps.end(), test_modified)) {
LoadSurface(new_surface);
for (const auto& surface : overlaps) {
Unregister(surface);
}
Register(new_surface);
return {{new_surface, new_surface->GetMainView()}};
}
std::size_t passed_tests = 0;
for (auto& surface : overlaps) {
const SurfaceParams& src_params = surface->GetSurfaceParams();
const auto mipmap_layer{new_surface->GetLayerMipmap(surface->GetGpuAddr())};
if (!mipmap_layer) {
continue;
}
const auto [base_layer, base_mipmap] = *mipmap_layer;
if (new_surface->GetMipmapSize(base_mipmap) != surface->GetMipmapSize(0)) {
continue;
}
++passed_tests;
// Copy all mipmaps and layers
const u32 block_width = params.GetDefaultBlockWidth();
const u32 block_height = params.GetDefaultBlockHeight();
for (u32 mipmap = base_mipmap; mipmap < base_mipmap + src_params.num_levels; ++mipmap) {
const u32 width = SurfaceParams::IntersectWidth(src_params, params, 0, mipmap);
const u32 height = SurfaceParams::IntersectHeight(src_params, params, 0, mipmap);
if (width < block_width || height < block_height) {
// Current APIs forbid copying small compressed textures, avoid errors
break;
}
const CopyParams copy_params(0, 0, 0, 0, 0, base_layer, 0, mipmap, width, height,
src_params.depth);
ImageCopy(surface, new_surface, copy_params);
}
}
if (passed_tests == 0) {
return std::nullopt;
}
if (Settings::IsGPULevelExtreme() && passed_tests != overlaps.size()) {
// In Accurate GPU all tests should pass, else we recycle
return std::nullopt;
}
const bool modified = std::any_of(overlaps.begin(), overlaps.end(), test_modified);
for (const auto& surface : overlaps) {
Unregister(surface);
}
new_surface->MarkAsModified(modified, Tick());
Register(new_surface);
return {{new_surface, new_surface->GetMainView()}};
@ -871,13 +889,10 @@ private:
// two things either the candidate surface is a supertexture of the overlap
// or they don't match in any known way.
if (!current_surface->IsInside(gpu_addr, gpu_addr + candidate_size)) {
if (current_surface->GetGpuAddr() == gpu_addr) {
std::optional<std::pair<TSurface, TView>> view =
TryReconstructSurface(overlaps, params, gpu_addr);
const std::optional view = TryReconstructSurface(overlaps, params, gpu_addr);
if (view) {
return *view;
}
}
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
MatchTopologyResult::FullMatch);
}