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shader: materialize image keys from proven GPU bitmap subsets

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nmzik
2026-10-12 20:44:12 +02:00
parent f01a3750d4
commit 145578ac03
4 changed files with 443 additions and 15 deletions
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src/graphics/shader/recompiler/ir/passes/ResourceMaterialization.cpp
+27
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@@ -338,6 +338,33 @@ bool MaterializeIndirectDescriptor(const ResourcePlan& p
std::iota(keys.begin(), keys.end(), first_key);
if (!keys.empty() && keys.back() < keys.front())
std::rotate(keys.begin(), keys.begin() + (UINT32_MAX - first_key + 1ull), keys.end());
} else if (selector->bitset) {
ShaderBufferResource material;
std::array<uint32_t, 4> masks {};
uint32_t first = 0, count = 0;
if (!DecodeBufferDescriptor(material_value, material) ||
!clean.Evaluate(indirect.selector_first, first) ||
!clean.Evaluate(indirect.key_count, count) || count != masks.size() * 32u ||
selector->stride != sizeof(masks) || selector->offset != 0u ||
material.Type() != 0u || material.Stride() != sizeof(masks) ||
material.SwizzleEnabled() || material.AddTid() || material.OutOfBounds() != 0u ||
(material.Base48() & 3u) != 0u ||
material.GetSize() / sizeof(uint32_t) > MaxIndirectDescriptorProbes) return false;
if (material.Format() != Prospero::BufferFormat::kInvalid) {
keys.resize(material.GetSize() / sizeof(uint32_t));
if (!keys.empty() && !ReadScalarTable(material.Base48(), material.GetSize(), 0u,
runtime, keys)) return false;
for (size_t word = 0; word < keys.size(); ++word) masks[word % masks.size()] |= keys[word];
keys.clear();
for (uint32_t word = 0; word < masks.size(); ++word) {
auto mask = masks[word];
while (mask != 0u) {
const auto rank = word * 32u + std::countr_zero(mask);
keys.push_back(first + count - 1u - rank);
mask &= mask - 1u;
}
}
}
} else if (!selector->byte_ranges.empty()) {
if (material_value.dword_count != 2u) return false;
const auto base = (uint64_t {material_value.dwords[1]} << 32u) | material_value.dwords[0];