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shader: resolve bounded GPU material keys through sampled image arrays

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Co-authored-by: TheCruZ <thecruzwtf@gmail.com>
This commit is contained in:
nmzik
2026-10-04 06:05:03 +04:00
parent 139b564c01
commit 843b577880
8 changed files with 266 additions and 43 deletions
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src/graphics/shader/recompiler/ir/passes/ResourceTracking.cpp
+33 -1
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@@ -826,6 +826,7 @@ private:
const auto& b = *descriptor.indirect_descriptor;
if (a.material_source != b.material_source || a.table_source != b.table_source ||
a.selector_stride != b.selector_stride || a.selector_offset != b.selector_offset ||
a.selector_shift != b.selector_shift ||
a.table_offset != b.table_offset || a.sources != b.sources ||
!EquivalentValue(m_program, a.key_count, b.key_count) ||
a.selector_first.IsEmpty() != b.selector_first.IsEmpty() ||
@@ -1549,6 +1550,37 @@ private:
return true;
}
bool MatchUniformizedBufferKey(Value key, const Inst& image,
DescriptorSource::IndirectDescriptor& indirect,
DescriptorSource& material_source) {
const auto* selected = UniformizedMaterialValue(key, image);
if (selected == nullptr) return false;
const auto* shift = selected->Arg(1).Resolve().TryInstruction();
uint32_t amount = 0;
if (shift == nullptr || shift->GetOpcode() != ValueOpcode::ShiftRightLogical32 ||
!ImmediateU32(shift->Arg(1), amount) || amount == 0u || amount >= 32u) return false;
const auto* loaded = shift->Arg(0).Resolve().TryInstruction();
if (loaded == nullptr || loaded->GetOpcode() != ValueOpcode::SelectU32 ||
!EquivalentValue(m_program, selected->Arg(0), loaded->Arg(0))) return false;
const auto* read = loaded->Arg(1).Resolve().TryInstruction();
if (read == nullptr || read->GetOpcode() != ValueOpcode::LoadBufferU32) return false;
const auto& memory = m_program.memory_info[read->Flags<MemoryFlags>().index];
uint32_t offset = 1u, scalar = 1u;
if (memory.kind != ResourceKind::Buffer || memory.typed || memory.formatted ||
!memory.idxen || memory.offen ||
!ImmediateU32(read->Arg(2), offset) || offset != 0u ||
!ImmediateU32(read->Arg(3), scalar) || scalar != 0u ||
!EquivalentValue(m_program, selected->Arg(0), read->Arg(4)) ||
!MakeRuntimeTableSource(*read, material_source)) return false;
// GPU index arithmetic may wrap. Every record in the bounded V# is a candidate.
indirect.material_source = InternSource(material_source);
indirect.selector_first = Value(0u);
indirect.key_count = material_source.dwords[2];
indirect.selector_offset = memory.offset;
indirect.selector_shift = amount;
return true;
}
bool TryMakeIndirectImage(Inst& handle, IndirectDescriptorPlan& plan) {
if (handle.GetOpcode() != ValueOpcode::GetImageResource || handle.NumArgs() != 8u) return false;
DescriptorSource table_source;
@@ -1575,7 +1607,7 @@ private:
}
if ((table_offset & 3u) != 0u ||
(bitscan && table_offset > UINT32_MAX - (32u * 32u - 1u))) return false;
} else {
} else if (!MatchUniformizedBufferKey(key, handle, indirect, material_source)) {
auto* material_read = key.Resolve().TryInstruction();
uint32_t material_memory_index = 0;
const auto* memory = material_read != nullptr