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shader: trace unsupported sampled image candidate provenance

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nmzik
2026-10-15 03:15:03 +02:00
parent fe23334ff0
commit fcab4e5d0d
1 changed files with 32 additions and 3 deletions
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src/graphics/shader/recompiler/ir/passes/ResourceMaterialization.cpp
+32 -3
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@@ -834,9 +834,38 @@ static bool BuildResourceSpecialization(const ResourcePlan& program, ResourceSna
} else if (image.numeric_class == Prospero::TextureNumericClass::Unsupported || } else if (image.numeric_class == Prospero::TextureNumericClass::Unsupported ||
(base.depth_compare && (base.depth_compare &&
image.numeric_class != Prospero::TextureNumericClass::Float)) { image.numeric_class != Prospero::TextureNumericClass::Float)) {
return SpecializationFail( auto message = fmt::format(
fmt::format("sampled image descriptor {} uses unsupported format {}", i, "sampled image descriptor {} uses unsupported format {}: root={} source={} "
static_cast<uint32_t>(format))); "first_use_pc={:#x} r128={} words={:08x},{:08x},{:08x},{:08x},"
"{:08x},{:08x},{:08x},{:08x}",
i, static_cast<uint32_t>(format), base_index, base.source, base.first_use_pc,
base.r128, descriptor.dwords[0], descriptor.dwords[1], descriptor.dwords[2],
descriptor.dwords[3], descriptor.dwords[4], descriptor.dwords[5],
descriptor.dwords[6], descriptor.dwords[7]);
const auto* source = Source(program, base.source);
if (i >= program.info.images.size() && source != nullptr &&
source->indirect_descriptor &&
IsBoundedDescriptorTable(program, *source->indirect_descriptor) &&
source->indirect_descriptor->table_stride == 0u) {
const auto& indirect = *source->indirect_descriptor;
const size_t mapping = specialization.images[base_index].indirect_mapping_offset;
const auto& flat = snapshot.flattened_srt;
if (mapping < flat.size() && flat[mapping] <= flat.size() - mapping - 1u) {
uint32_t ordinal = 0;
for (size_t child = program.info.images.size(); child <= i; ++child)
ordinal += specialization.images[child].indirect_root == base_index;
uint32_t matches = 0;
uint64_t first_offset = 0;
for (uint32_t probe = 0; probe < flat[mapping]; ++probe) {
if (flat[mapping + 1u + probe] != ordinal) continue;
if (matches++ == 0u) first_offset = uint64_t {probe} * 4u;
}
message += fmt::format(" table_source={} ordinal={} dense_matches={} "
"first_candidate_offset={:#x}",
indirect.table_source, ordinal, matches, first_offset);
}
}
return SpecializationFail(message);
} }
} }
for (uint32_t root_index = 0; root_index < specialization.images.size(); root_index++) { for (uint32_t root_index = 0; root_index < specialization.images.size(); root_index++) {