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shader: lower complete wave minima for sparse fragment subgroups

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This commit is contained in:
nmzik
2026-10-14 18:03:48 +02:00
parent 892e70c8a1
commit 302240da70
12 changed files with 330 additions and 8 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterModule.cpp
+4 -1
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@@ -766,7 +766,7 @@ void DefineModule(EmitterState& state) {
}
if (state.lane_count == 2 || state.program.info.subgroup_barrier ||
state.program.info.subgroup_ballot || state.program.info.subgroup_shuffle ||
state.program.info.subgroup_local_invocation_id) {
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) {
@@ -775,6 +775,9 @@ void DefineModule(EmitterState& state) {
if (state.program.info.subgroup_shuffle) {
state.builder.RequireCapability(spv::CapabilityGroupNonUniformShuffle);
}
if (state.program.info.subgroup_arithmetic) {
state.builder.RequireCapability(spv::CapabilityGroupNonUniformArithmetic);
}
if (state.program.info.compute_derivatives && state.program.stage == ShaderType::Compute) {
state.builder.RequireCapability(spv::CapabilityComputeDerivativeGroupQuadsKHR);
state.builder.RequireExtension("SPV_KHR_compute_shader_derivatives");