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shader: lower bounded UInt formatted buffer copies to shared stores

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nmzik committed 2026-10-13 21:27:07 +00:00
1 parent a7a734b5d3
commit 5dc6914688
5 files changed
+300 -10
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src/graphics/shader/recompiler/ir/passes/ResourceTracking.cpp
+14 -2
View File
@@ -914,6 +914,7 @@ private:
a.table_offset != b.table_offset || a.table_immediate != b.table_immediate ||
a.table_stride != b.table_stride || a.indexed_store != b.indexed_store ||
a.workgroup_axis != b.workgroup_axis || a.sources != b.sources ||
a.signed_count != b.signed_count ||
!EquivalentValue(m_program, a.key_count, b.key_count) ||
a.selector_first.IsEmpty() != b.selector_first.IsEmpty() ||
(!a.selector_first.IsEmpty() &&
@@ -1974,6 +1975,7 @@ private:
if (!proof.SelectsRange(*selected, active, *candidate, *carried, mask, exits)) continue;
indirect.selector_first = first;
indirect.key_count = bound->Arg(1);
indirect.signed_count = bound->GetOpcode() == ValueOpcode::SLessThan32;
return true;
}
}
@@ -2347,8 +2349,10 @@ private:
if (bitscan) {
indirect.key_count = Value(32u);
} else if (!m_shader_writes) {
if (const auto* bound = BoundedLoop(key, handle.Parent()))
if (const auto* bound = BoundedLoop(key, handle.Parent())) {
indirect.key_count = bound->Arg(1);
indirect.signed_count = bound->GetOpcode() == ValueOpcode::SLessThan32;
}
}
if (indirect.key_count.IsEmpty() &&
!MatchUniformizedMaterialKey(key, handle, indirect, material_source) &&
@@ -2449,7 +2453,8 @@ private:
if (inst.GetOpcode() != ValueOpcode::StoreBufferU32) return false;
const auto& memory = m_program.memory_info[inst.Flags<MemoryFlags>().index];
uint32_t scalar = 1u;
if (memory.kind != ResourceKind::Buffer || memory.typed || memory.formatted ||
if (memory.kind != ResourceKind::Buffer || memory.typed ||
(memory.formatted && (!indexed || memory.data_bits != 32u || memory.data_dwords != 1u)) ||
memory.idxen != indexed || memory.offen == indexed ||
(indexed && (memory.offset != 0u || inst.Arg(2).Resolve() != Value(0u))) ||
!ImmediateU32(inst.Arg(3), scalar) || scalar != 0u)
@@ -2479,6 +2484,13 @@ private:
return true;
};
if (table_source.dword_count == 2u && MatchPackedScalarKey(key, indirect)) return finish();
if (table_source.dword_count == 2u) {
const auto* bound = BoundedLoop(key, handle.Parent());
if (bound == nullptr) return false;
indirect.key_count = bound->Arg(1);
indirect.signed_count = bound->GetOpcode() == ValueOpcode::SLessThan32;
return finish();
}
if (table_source.dword_count != 4u || table_offset != 0u || table_immediate != 0u || indexed)
return false;
const auto* lane_read = key.Resolve().TryInstruction();