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shader: Move LaneId to the warp emission file and fix AMD

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This commit is contained in:
ReinUsesLisp
2021-04-11 02:22:20 -03:00
committed by ameerj
parent 1030b612a3
commit 9280cd649a
5 changed files with 11 additions and 7 deletions
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8
src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp
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@ -49,6 +49,14 @@ Id SelectValue(EmitContext& ctx, Id in_range, Id value, Id src_thread_id) {
}
} // Anonymous namespace
Id EmitLaneId(EmitContext& ctx) {
const Id id{ctx.OpLoad(ctx.U32[1], ctx.subgroup_local_invocation_id)};
if (!ctx.profile.warp_size_potentially_larger_than_guest) {
return id;
}
return ctx.OpBitwiseAnd(ctx.U32[1], id, ctx.Constant(ctx.U32[1], 31U));
}
Id EmitVoteAll(EmitContext& ctx, Id pred) {
if (!ctx.profile.warp_size_potentially_larger_than_guest) {
return ctx.OpSubgroupAllKHR(ctx.U1, pred);