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shader: read raw D16 depth bits through kDepth k16UInt image loads

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Co-authored-by: Artyom Zabroda <artyomzabroda@proton.me>
This commit is contained in:
nmzik
2026-10-22 18:56:26 +02:00
parent a358b847c1
commit aafe014d0c
6 changed files with 192 additions and 10 deletions
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src/graphics/shader/recompiler/ir/passes/ResourceMaterialization.cpp
+7 -2
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@@ -932,7 +932,12 @@ static bool BuildResourceSpecialization(const ResourcePlan& program, ResourceSna
return SpecializationFail("FMASK requires a direct image load");
}
}
image.conversion_format = ImageConversionFormat(format);
// See ReadsDepthBits; raw loads only, since filtering would blend the codes.
const bool depth_bits =
!storage && base.unfiltered_access_only && format == Prospero::BufferFormat::k16UInt &&
static_cast<Prospero::TileMode>((descriptor.dwords[3] >> 20u) & 0x1fu) ==
Prospero::TileMode::kDepth;
image.conversion_format = depth_bits ? format : ImageConversionFormat(format);
if (storage || image.conversion_format != Prospero::BufferFormat::kInvalid) {
image.shader_swizzle = DescriptorImageSwizzle(descriptor);
}
@@ -940,7 +945,7 @@ static bool BuildResourceSpecialization(const ResourcePlan& program, ResourceSna
const bool raw_sint_storage = raw_sint_format != Prospero::BufferFormat::kInvalid;
if (raw_sint_format == Prospero::BufferFormat::k16UInt) image.conversion_format = format;
image.numeric_class = Prospero::SampledTextureNumericClass(
Prospero::RemapTextureFormat(format));
depth_bits ? Prospero::BufferFormat::k16UNorm : Prospero::RemapTextureFormat(format));
if (!storage && format == Prospero::BufferFormat::k11_11_10UNorm) {
if (image.indirect_root != ImageResource::NoIndirectImage) {
return SpecializationFail("packed UNorm sampling requires a direct image");