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[spv] Color output handling in SPIR-V emission.

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CamilleLaVey 2025-11-27 15:22:15 -04:00 • committed by Caio Oliveira
parent 60f00f58ba
commit 611b3332ce
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5 changed files with 58 additions and 3 deletions
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14
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
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@ -549,6 +549,7 @@ void EmitContext::DefineCommonTypes(const Info& info) {
output_f32 = Name(TypePointer(spv::StorageClass::Output, F32[1]), "output_f32");
output_u32 = Name(TypePointer(spv::StorageClass::Output, U32[1]), "output_u32");
output_s32 = Name(TypePointer(spv::StorageClass::Output, S32[1]), "output_s32");
if (info.uses_int8 && profile.support_int8) {
AddCapability(spv::Capability::Int8);
@ -1682,7 +1683,18 @@ void EmitContext::DefineOutputs(const IR::Program& program) {
if (!info.stores_frag_color[index] && !profile.need_declared_frag_colors) {
continue;
}
frag_color[index] = DefineOutput(*this, F32[4], std::nullopt);
const AttributeType output_type{runtime_info.color_output_types[index]};
const Id vec_type = [&, output_type]() -> Id {
switch (output_type) {
case AttributeType::SignedInt:
return S32[4];
case AttributeType::UnsignedInt:
return U32[4];
default:
return F32[4];
}
}();
frag_color[index] = DefineOutput(*this, vec_type, std::nullopt);
Decorate(frag_color[index], spv::Decoration::Location, index);
Name(frag_color[index], fmt::format("frag_color{}", index));
}