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texture: preserve guest DCC metadata for comparison depth aliases

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Co-authored-by: netwarex <mail@pety.me>
This commit is contained in:
nmzik
2026-10-11 18:06:47 +02:00
parent 4c87dbebb2
commit f28c0fccb2
3 changed files with 88 additions and 6 deletions
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src/graphics/host_gpu/renderer/cache/textureCache.cpp
Vendored
+12 -3
View File
@@ -36,7 +36,9 @@ constexpr uint64_t NumFramesBeforeRemoval = 32;
[[nodiscard]] bool DecodeColorClear(const TextureCache::ImageDesc& desc, uint8_t code,
vk::ClearColorValue& clear) {
const auto& metadata = desc.info.metadata;
const auto format = desc.view_info.format;
const auto format = desc.info.IsDepth()
? TextureGetSurfaceFormatInfo(desc.info.guest_format).vk_format
: desc.view_info.format;
const bool cmask = metadata.kind == ImageMetadataKind::Cmask;
if (cmask ? code == 0 : code == 0x20) {
// Register clears belong to the color buffer; the texture pipe cannot decode them.
@@ -1059,8 +1061,15 @@ void TextureCache::MaterializeColorClear(ImageId id, const ImageDesc& desc,
}
{
std::scoped_lock lock {m_lock};
ClearImage(m_scheduler.Current(), id, view.format,
{vk::ImageAspectFlagBits::eColor, view.base_level, view.level_count,
const auto& image = m_slot_images[id];
const bool depth = image.info.IsDepth();
if (depth) {
const auto value = clear.color.float32[0];
clear.depthStencil = {value, 0u};
}
ClearImage(m_scheduler.Current(), id, depth ? image.backing.format : view.format,
{depth ? vk::ImageAspectFlagBits::eDepth : vk::ImageAspectFlagBits::eColor,
view.base_level, view.level_count,
image_first + slice, 1}, clear);
}
// Publish the conversion's expanded keys without treating them as guest writes
src/graphics/host_gpu/renderer/pipeline/descriptors.cpp
+4 -3
View File
@@ -179,7 +179,9 @@ static void ValidateSampledDepthBinding(const ShaderRecompiler::IR::ImageResourc
const ShaderTextureResource& descriptor, const Image& image,
vk::Format view_format, uint64_t size) {
const bool resource_ok = IsSupportedSampledDepthResource(resource);
const bool encoding_ok = IsSupportedDepthTextureEncoding(descriptor, resource.r128);
// Comparison sampling changes the host format, not the guest metadata encoding.
const bool encoding_ok = descriptor.TileMode() != Prospero::TileMode::kDepth ||
IsSupportedDepthTextureEncoding(descriptor, resource.r128);
const bool view_ok =
IsSupportedSampledDepthView(image.info.pixel_format, view_format, descriptor.DstSelXYZW());
if (resource_ok && encoding_ok && view_ok) {
@@ -622,8 +624,7 @@ TextureBinding RenderExecutor::ResolveTexture(const ShaderRecompiler::IR::ImageR
if (storage) {
ValidateStorageTexture(resource, descriptor, desc.info.data.size);
}
if (!resource.r128 && descriptor.MetaCompress() && tile != Prospero::TileMode::kDepth &&
!desc.info.IsDepth()) {
if (!resource.r128 && descriptor.MetaCompress() && tile != Prospero::TileMode::kDepth) {
TileSizeAlign metadata_size {};
(void)TileGetDccSize(width, height, volume ? depth : image_layers,
desc.info.bytes_per_block, physical_levels, tile, metadata_size,