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[spv, qcom] Implement warp intrinsics support

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This commit is contained in:
CamilleLaVey 2025-11-27 14:02:03 -04:00 • committed by Caio Oliveira
parent a793a132fc
commit 458302b3f5
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GPG key ID: AAAE6C7FD4186B0C
9 changed files with 204 additions and 14 deletions
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10
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
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@ -1419,6 +1419,7 @@ void EmitContext::DefineImages(const Info& info, u32& binding, u32& scaling_inde
void EmitContext::DefineInputs(const IR::Program& program) {
const Info& info{program.info};
const VaryingState loads{info.loads.mask | info.passthrough.mask};
const bool stage_supports_warp = profile.SupportsWarpIntrinsics(stage);
if (info.uses_workgroup_id) {
workgroup_id = DefineInput(*this, U32[3], false, spv::BuiltIn::WorkgroupId);
@ -1442,7 +1443,7 @@ void EmitContext::DefineInputs(const IR::Program& program) {
if (info.uses_is_helper_invocation) {
is_helper_invocation = DefineInput(*this, U1, false, spv::BuiltIn::HelperInvocation);
}
if (info.uses_subgroup_mask) {
if (info.uses_subgroup_mask && stage_supports_warp) {
subgroup_mask_eq = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupEqMaskKHR);
subgroup_mask_lt = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupLtMaskKHR);
subgroup_mask_le = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupLeMaskKHR);
@ -1456,9 +1457,10 @@ void EmitContext::DefineInputs(const IR::Program& program) {
Decorate(subgroup_mask_ge, spv::Decoration::Flat);
}
}
if (info.uses_fswzadd || info.uses_subgroup_invocation_id || info.uses_subgroup_shuffles ||
(profile.warp_size_potentially_larger_than_guest &&
(info.uses_subgroup_vote || info.uses_subgroup_mask))) {
if (stage_supports_warp &&
(info.uses_fswzadd || info.uses_subgroup_invocation_id || info.uses_subgroup_shuffles ||
(profile.warp_size_potentially_larger_than_guest &&
(info.uses_subgroup_vote || info.uses_subgroup_mask)))) {
AddCapability(spv::Capability::GroupNonUniform);
subgroup_local_invocation_id =
DefineInput(*this, U32[1], false, spv::BuiltIn::SubgroupLocalInvocationId);