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Implement V_READFIRSTLANE_B32 (#681)

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* Implement V_READFIRSTLANE_B32

* refactor
This commit is contained in:
Grégoire Hage 2024-09-01 20:49:42 +02:00 • committed by GitHub
parent e4d8857eb5
commit 1bd9317509
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3 changed files with 10 additions and 4 deletions
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src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp
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@ -23,7 +23,7 @@ Id EmitQuadShuffle(EmitContext& ctx, Id value, Id index) {
}
Id EmitReadFirstLane(EmitContext& ctx, Id value) {
UNREACHABLE();
return ctx.OpGroupNonUniformBroadcastFirst(ctx.U32[1], SubgroupScope(ctx), value);
}
Id EmitReadLane(EmitContext& ctx, Id value, u32 lane) {