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shader: specialize bounded pointer and packed image tables

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This commit is contained in:
nmzik
2026-10-13 01:12:19 +02:00
parent c9ec82e32e
commit 1fa79d5cac
5 changed files with 219 additions and 24 deletions
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src/graphics/shader/recompiler/ir/passes/ResourceTracking.cpp
+8 -4
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@@ -1933,7 +1933,7 @@ private:
bool MatchScalarMaterialKey(Value key, DescriptorSource::IndirectDescriptor& indirect,
DescriptorSource& material_source) {
const auto* read = key.Resolve().TryInstruction();
if (read == nullptr || read->GetOpcode() != ValueOpcode::ReadConstBuffer) return false;
if (read == nullptr) return false;
uint32_t memory_index = 0;
const auto* memory = ScalarReadMemory(*read, memory_index);
Value index;
@@ -1941,8 +1941,8 @@ private:
DescriptorSource count_source;
uint32_t row_stride = 0;
uint32_t offset = 0, stride = 0;
if (memory == nullptr || memory->kind != ResourceKind::ScalarBuffer ||
memory->offset > INT32_MAX || !MemoryIndexBelongsTo(memory_index, *read)) return false;
if (memory == nullptr || memory->offset > INT32_MAX ||
!MemoryIndexBelongsTo(memory_index, *read)) return false;
if (MatchTableOffset(read->Arg(1), index, offset, stride) &&
((offset | stride | memory->offset) & 3u) == 0u &&
uint64_t {offset} + memory->offset <= UINT32_MAX) {
@@ -1951,6 +1951,8 @@ private:
count = bound->Arg(1);
}
}
// Raw pointers have no V# bounds for enumerating an unbounded selector domain.
if (memory->kind == ResourceKind::ScalarAddress && count.IsEmpty()) return false;
const bool rows = count.IsEmpty() && memory->offset == 0u &&
MatchCountedRows(*read, count_source, row_stride);
if (rows) {
@@ -2476,7 +2478,9 @@ private:
if (indirect.key_count.IsEmpty() &&
!MatchUniformizedMaterialKey(key, handle, indirect, material_source) &&
!MatchReversedImageRange(key, indirect)) {
return false;
const auto maximum = SelectorMaximum(key);
if (maximum >= MaxIndirectDescriptorProbes) return false;
indirect.key_count = Value(maximum + 1u);
}
if ((table_offset & 3u) != 0u) return false;
} else {