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texture_cache: copy depth sampled through non-depth color formats

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nmzik committed 2026-10-30 10:12:37 +01:00
1 parent 346e9a3c69
commit 0543c3d228
2 files changed
+68 -12
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src/graphics/host_gpu/renderer/cache/textureCache.cpp
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+9 -12
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@@ -629,17 +629,6 @@ ImageId TextureCache::ResolveDepthOverlap(const ImageInfo& requested, BindingTyp
}
const bool stencil_match = requested.HasStencil() == cached.info.HasStencil();
const bool bpp_match = requested.bytes_per_block == cached.info.bytes_per_block;
// PPSA04264
const bool raw_d16_texture =
binding == BindingType::Texture && cached.info.IsDepth() &&
cached.info.guest_format == Prospero::BufferFormat::k16UNorm &&
requested.guest_format == Prospero::BufferFormat::k16UInt &&
requested.pixel_format == vk::Format::eR16Uint && cached.backing.samples == 1 &&
requested.samples == 1 && requested.data == cached.info.data &&
requested.extent == cached.info.extent && requested.resources == cached.info.resources &&
requested.type == cached.info.type && requested.pitch == cached.info.pitch &&
!requested.HasStencil() && !cached.info.HasStencil() && !requested.HasMetadata() &&
!cached.info.HasMetadata();
// PPSA04264, PPSA04288
// A partial view retains the entire matching array layout. HTile belongs to
// the depth source, independently of the data slices copied into color storage.
@@ -663,12 +652,20 @@ ImageId TextureCache::ResolveDepthOverlap(const ImageInfo& requested, BindingTyp
!requested.HasStencil() && !cached.info.HasStencil() && !requested.HasMetadata() &&
(cached.info.metadata.kind == ImageMetadataKind::None ||
cached.info.metadata.kind == ImageMetadataKind::Htile);
// Depth bytes sampled through a color format no depth view provides (16_UINT, 8_8_UNORM)
// need a color copy of the whole single-sample depth layout.
const bool raw_depth_texture =
cached.info.IsDepth() && !requested.IsDepth() && !cached.info.HasStencil() &&
!requested.HasMetadata() && cached.backing.samples == 1 && requested.samples == 1 &&
requested.pitch == cached.info.pitch &&
(requested.resources == cached.info.resources || retain_cached_layout) &&
!IsSupportedSampledDepthFormat(cached.info.pixel_format, requested.pixel_format);
bool recreate = cached.info.resources < requested.resources ||
requested.IsVolume() != cached.info.IsVolume();
switch (binding) {
case BindingType::Texture:
recreate |= requested.IsDepth() && !cached.info.IsDepth();
recreate |= raw_d16_texture;
recreate |= raw_depth_texture;
break;
case BindingType::Storage: recreate |= cached.info.IsDepth(); break;
case BindingType::RenderTarget: recreate |= cached.info.IsDepth(); break;