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shader: plan finite GPU-selected RGBA16 buffer stores

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This commit is contained in:
nmzik
2026-10-14 19:13:16 +02:00
parent 7468e4f60a
commit c914435f20
4 changed files with 207 additions and 43 deletions
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src/graphics/shader/recompiler/ir/passes/ResourceTracking.cpp
+10 -1
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@@ -2618,7 +2618,7 @@ private:
bool IndirectBufferAccess(const Inst& inst) const {
const auto opcode = inst.GetOpcode();
if (opcode != ValueOpcode::StoreBufferU32 && opcode != ValueOpcode::StoreBufferU8 &&
opcode != ValueOpcode::LoadBufferU32x2) return false;
opcode != ValueOpcode::StoreBufferU32x4 && opcode != ValueOpcode::LoadBufferU32x2) return false;
const auto index = inst.Flags<MemoryFlags>().index;
if (index >= m_program.memory_info.size()) return false;
const auto& memory = m_program.memory_info[index];
@@ -2630,6 +2630,9 @@ private:
if (!memory.idxen) return false;
if (opcode == ValueOpcode::StoreBufferU8)
return !memory.formatted && memory.data_bits == 8u;
if (opcode == ValueOpcode::StoreBufferU32x4)
return memory.formatted && memory.data_bits == 32u && memory.data_dwords == 4u &&
memory.component_count == 4u;
return memory.formatted && memory.data_bits == 16u && memory.data_dwords == 2u &&
memory.component_count == 4u;
}
@@ -3023,6 +3026,12 @@ private:
return finish();
}
if (!legacy_store) {
if (table_source.dword_count == 2u && !plan.split_offsets) {
const auto maximum = SelectorMaximum(key);
if (maximum >= MaxIndirectDescriptorProbes) return false;
indirect.key_count = Value(maximum + 1u);
return finish();
}
// A bounded V# supplies every reachable descriptor without reading the GPU key.
// Separate U32 offsets could wrap each DWORD to a different table position.
if (table_source.dword_count != 4u || plan.split_offsets) return false;