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add guards per subgroups support and remove forced turnip enabled on GS

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This commit is contained in:
CamilleLaVey
2026-09-01 13:34:45 -04:00
parent b846577037
commit b7427684c0
4 changed files with 28 additions and 11 deletions
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src/shader_recompiler/ir_opt/compaction_fallback_pass.cpp
+9 -7
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@@ -36,15 +36,14 @@ void RewriteAtomic(IR::Block& block, IR::Inst& inst) {
const IR::U32 amount{inst.Arg(2)};
const IR::U32 primitive_id{ir.GetAttributeU32(IR::Attribute::PrimitiveId)};
const IR::U32 new_index{ir.IMul(primitive_id, amount)};
const IR::U32 new_atomic_value{ir.IAdd(new_index, amount)};
const IR::U1 reserves_slot{ir.INotEqual(amount, ir.Imm32(0u))};
const IR::U32 slot_end{ir.IAdd(primitive_id, ir.Imm32(1u))};
const IR::U32 high_water{IR::U32{ir.Select(reserves_slot, slot_end, ir.Imm32(0u))}};
const IR::Value umax_result{&*block.PrependNewInst(
insert_point, IR::Opcode::StorageAtomicUMax32,
{inst.Arg(0), inst.Arg(1), new_atomic_value})};
static_cast<void>(umax_result);
block.PrependNewInst(insert_point, IR::Opcode::StorageAtomicUMax32,
{inst.Arg(0), inst.Arg(1), high_water});
inst.ReplaceUsesWith(new_index);
inst.ReplaceUsesWith(primitive_id);
}
} // Anonymous namespace
@@ -58,6 +57,9 @@ void CompactionFallbackPass(IR::Program& program, const HostTranslateInfo& host_
if (inst.GetOpcode() != IR::Opcode::StorageAtomicIAdd32) {
continue;
}
if (!inst.HasUses()) {
continue;
}
if (!DependsOnSubgroupBallot(inst.Arg(2), 0)) {
continue;
}