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shader: share scalar condition results with direct subgroup votes

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Co-authored-by: fxpw <fxpw@outlook.com>
This commit is contained in:
nmzik
2026-10-15 00:07:35 +02:00
parent 50844badbf
commit bb2d6dbeb3
7 changed files with 109 additions and 18 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterModule.cpp
+5 -1
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@@ -764,13 +764,17 @@ void DefineModule(EmitterState& state) {
state.builder.RequireCapability(spv::CapabilityImageGatherExtended);
}
if (state.lane_count == 2 || state.program.info.subgroup_barrier ||
state.program.info.subgroup_ballot || state.program.info.subgroup_shuffle ||
state.program.info.subgroup_ballot || state.program.info.subgroup_vote ||
state.program.info.subgroup_shuffle ||
state.program.info.subgroup_arithmetic || state.program.info.subgroup_local_invocation_id) {
state.builder.RequireCapability(spv::CapabilityGroupNonUniform);
}
if (state.lane_count == 2 || state.program.info.subgroup_ballot) {
state.builder.RequireCapability(spv::CapabilityGroupNonUniformBallot);
}
if (state.program.info.subgroup_vote) {
state.builder.RequireCapability(spv::CapabilityGroupNonUniformVote);
}
if (state.program.info.subgroup_shuffle) {
state.builder.RequireCapability(spv::CapabilityGroupNonUniformShuffle);
}