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shader: lower whole-wave OR scans to subgroup reductions

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Artyom Zabroda authored and nmzik committed 2026-10-30 04:31:24 +01:00
1 parent eb3cb47296
commit 0c2546e850
8 files changed
+80 -41
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src/graphics/shader/recompiler/ir/passes/ShaderInfoCollection.cpp
+2 -1
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@@ -524,7 +524,8 @@ void Visit(Program& program, ShaderStageInputInfo input_info, InputUsage& inputs
case ValueOpcode::Ballot: info.subgroup_ballot = true; break;
case ValueOpcode::LiveMask: info.subgroup_ballot = info.helper_invocation = true; break;
case ValueOpcode::SubgroupUMinU32:
case ValueOpcode::SubgroupUMaxU32: info.subgroup_arithmetic = true; break;
case ValueOpcode::SubgroupUMaxU32:
case ValueOpcode::SubgroupOrU32: info.subgroup_arithmetic = true; break;
case ValueOpcode::DppMoveU32:
case ValueOpcode::ReadFirstLane:
case ValueOpcode::ReadLane: {