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[spir-v] Flat decorations for input interfaces

This commit is contained in:
CamilleLaVey 2025-11-24 12:51:32 -04:00 committed by Caio Oliveira
parent 977904cd27
commit 8dfc42b45a
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GPG Key ID: AAAE6C7FD4186B0C
1 changed files with 27 additions and 10 deletions
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37
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
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@ -1435,6 +1435,9 @@ void EmitContext::DefineInputs(const IR::Program& program) {
} }
if (info.uses_sample_id) { if (info.uses_sample_id) {
sample_id = DefineInput(*this, U32[1], false, spv::BuiltIn::SampleId); sample_id = DefineInput(*this, U32[1], false, spv::BuiltIn::SampleId);
if (stage == Stage::Fragment) {
Decorate(sample_id, spv::Decoration::Flat);
}
} }
if (info.uses_is_helper_invocation) { if (info.uses_is_helper_invocation) {
is_helper_invocation = DefineInput(*this, U1, false, spv::BuiltIn::HelperInvocation); is_helper_invocation = DefineInput(*this, U1, false, spv::BuiltIn::HelperInvocation);
@ -1445,6 +1448,13 @@ void EmitContext::DefineInputs(const IR::Program& program) {
subgroup_mask_le = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupLeMaskKHR); subgroup_mask_le = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupLeMaskKHR);
subgroup_mask_gt = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupGtMaskKHR); subgroup_mask_gt = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupGtMaskKHR);
subgroup_mask_ge = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupGeMaskKHR); subgroup_mask_ge = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupGeMaskKHR);
if (stage == Stage::Fragment) {
Decorate(subgroup_mask_eq, spv::Decoration::Flat);
Decorate(subgroup_mask_lt, spv::Decoration::Flat);
Decorate(subgroup_mask_le, spv::Decoration::Flat);
Decorate(subgroup_mask_gt, spv::Decoration::Flat);
Decorate(subgroup_mask_ge, spv::Decoration::Flat);
}
} }
if (info.uses_fswzadd || info.uses_subgroup_invocation_id || info.uses_subgroup_shuffles || if (info.uses_fswzadd || info.uses_subgroup_invocation_id || info.uses_subgroup_shuffles ||
(profile.warp_size_potentially_larger_than_guest && (profile.warp_size_potentially_larger_than_guest &&
@ -1464,6 +1474,9 @@ void EmitContext::DefineInputs(const IR::Program& program) {
} }
if (loads[IR::Attribute::PrimitiveId]) { if (loads[IR::Attribute::PrimitiveId]) {
primitive_id = DefineInput(*this, U32[1], false, spv::BuiltIn::PrimitiveId); primitive_id = DefineInput(*this, U32[1], false, spv::BuiltIn::PrimitiveId);
if (stage == Stage::Fragment) {
Decorate(primitive_id, spv::Decoration::Flat);
}
} }
if (loads[IR::Attribute::Layer]) { if (loads[IR::Attribute::Layer]) {
AddCapability(spv::Capability::Geometry); AddCapability(spv::Capability::Geometry);
@ -1555,17 +1568,21 @@ void EmitContext::DefineInputs(const IR::Program& program) {
if (stage != Stage::Fragment) { if (stage != Stage::Fragment) {
continue; continue;
} }
switch (info.interpolation[index]) { const bool is_integer = input_type == AttributeType::SignedInt ||
case Interpolation::Smooth: input_type == AttributeType::UnsignedInt;
// Default if (is_integer) {
// Decorate(id, spv::Decoration::Smooth);
break;
case Interpolation::NoPerspective:
Decorate(id, spv::Decoration::NoPerspective);
break;
case Interpolation::Flat:
Decorate(id, spv::Decoration::Flat); Decorate(id, spv::Decoration::Flat);
break; } else {
switch (info.interpolation[index]) {
case Interpolation::Smooth:
break;
case Interpolation::NoPerspective:
Decorate(id, spv::Decoration::NoPerspective);
break;
case Interpolation::Flat:
Decorate(id, spv::Decoration::Flat);
break;
}
} }
} }
if (stage == Stage::TessellationEval) { if (stage == Stage::TessellationEval) {