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shader: Implement PrimitiveId

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This commit is contained in:
ReinUsesLisp
2021-04-16 01:55:06 -03:00
committed by ameerj
parent 183855e396
commit b0f1255c8c
5 changed files with 10 additions and 0 deletions
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3
src/shader_recompiler/backend/spirv/emit_context.cpp
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@ -1021,6 +1021,9 @@ void EmitContext::DefineInputs(const Info& info) {
fswzadd_lut_b =
ConstantComposite(F32[4], f32_minus_one, f32_minus_one, f32_one, f32_minus_one);
}
if (info.loads_primitive_id) {
primitive_id = DefineInput(*this, U32[1], false, spv::BuiltIn::PrimitiveId);
}
if (info.loads_position) {
const bool is_fragment{stage != Stage::Fragment};
const spv::BuiltIn built_in{is_fragment ? spv::BuiltIn::Position : spv::BuiltIn::FragCoord};