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shader: prove descending image ranges and prune impossible register selectors

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Co-authored-by: Ali Almohaya <AliAlmohaya@gmail.com>
This commit is contained in:
nmzik
2026-10-12 18:39:37 +02:00
parent 7688093ca3
commit 49ebbfd627
4 changed files with 243 additions and 31 deletions
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src/graphics/shader/recompiler/ir/passes/ResourceMaterialization.cpp
+8 -2
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@@ -320,6 +320,7 @@ bool MaterializeIndirectDescriptor(const ResourcePlan& p
}
if (selector == nullptr) {
uint32_t key_count = 0;
uint32_t first_key = 0;
if (indirect.workgroup_axis != UINT32_MAX) {
if (indirect.workgroup_axis >= runtime.workgroup_counts.size()) return false;
key_count = runtime.workgroup_counts[indirect.workgroup_axis];
@@ -329,14 +330,19 @@ bool MaterializeIndirectDescriptor(const ResourcePlan& p
return false;
if (std::bit_cast<int32_t>(key_count) <= 0) key_count = 0;
}
if (!indirect.selector_first.IsEmpty() && !clean.Evaluate(indirect.selector_first, first_key))
return false;
if (indirect.table_stride == 0u || key_count > MaxIndirectDescriptorProbes ||
(key_count != 0u && uint64_t {indirect.table_offset} + indirect.table_immediate +
(indirect.selector_first.IsEmpty() && key_count != 0u &&
uint64_t {indirect.table_offset} + indirect.table_immediate +
uint64_t {key_count - 1u} * indirect.table_stride + descriptor_bytes >
UINT32_MAX + 1ull)) {
return false;
}
keys.resize(key_count);
std::iota(keys.begin(), keys.end(), 0u);
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->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];