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graphics: support dynamic storage mip writes

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This commit is contained in:
Senaxx
2026-08-16 06:01:57 +02:00
committed by nmzik
parent f785974cc1
commit 980d89f739
15 changed files with 451 additions and 54 deletions
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src/graphics/shader/recompiler/ir/passes/ResourceMaterialization.cpp
+23
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@@ -72,6 +72,15 @@ bool DescriptorIsCube(const DescriptorValue& descriptor) {
Prospero::ImageType::kCube;
}
uint32_t StorageMipCount(const ImageResource& image, const DescriptorValue& descriptor) {
if (image.mip_mode != ImageMipMode::DynamicStorage || NullImageDescriptor(descriptor)) {
return 1;
}
const auto base = (descriptor.dwords[3] >> 12u) & 0xfu;
const auto last = (descriptor.dwords[3] >> 16u) & 0xfu;
return base <= last ? last - base + 1u : 0u;
}
bool DecodeBufferDescriptor(const DescriptorValue& descriptor, ShaderBufferResource& result) {
if (descriptor.dword_count != std::size(result.fields)) {
return false;
@@ -201,6 +210,13 @@ bool ValidateResourceSpecialization(const Program& program, const ResourceSnapsh
for (uint32_t i = 0; i < program.info.images.size(); i++) {
const auto& image = program.info.images[i];
const auto& descriptor = snapshot.images[i];
const auto mip_count = StorageMipCount(image, descriptor);
if (mip_count == 0u || mip_count != image.mip_count) {
if (error != nullptr) {
*error = fmt::format("storage image descriptor {} changed mip range", i);
}
return false;
}
if (NullImageDescriptor(descriptor)) {
bool canonical_kind =
image.kind == ResourceKind::Image || image.kind == ResourceKind::StorageImage;
@@ -404,6 +420,13 @@ bool SpecializeResources(Program& program, const ResourceSnapshot& snapshot, std
for (uint32_t i = 0; i < next.images.size(); i++) {
const auto& descriptor = snapshot.images[i];
auto& image = next.images[i];
image.mip_count = StorageMipCount(image, descriptor);
if (image.mip_count == 0u) {
if (error != nullptr) {
*error = fmt::format("storage image descriptor {} has an invalid mip range", i);
}
return false;
}
if (NullImageDescriptor(descriptor)) {
image.dimension = Decoder::ImageDimension::Dim2D;
image.cube = false;