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shader: Implement TEXS

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This commit is contained in:
ReinUsesLisp 2021-03-15 04:54:43 -03:00 • committed by ameerj
parent 71f96fa636
commit 17a82b56d7
8 changed files with 287 additions and 7 deletions
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11
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
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@ -57,18 +57,27 @@ Id Texture(EmitContext& ctx, const IR::Value& index) {
throw NotImplementedException("Indirect texture sample");
}
Id Decorate(EmitContext& ctx, IR::Inst* inst, Id sample) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
if (info.relaxed_precision != 0) {
ctx.Decorate(sample, spv::Decoration::RelaxedPrecision);
}
return sample;
}
template <typename MethodPtrType, typename... Args>
Id Emit(MethodPtrType sparse_ptr, MethodPtrType non_sparse_ptr, EmitContext& ctx, IR::Inst* inst,
Id result_type, Args&&... args) {
IR::Inst* const sparse{inst->GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp)};
if (!sparse) {
return (ctx.*non_sparse_ptr)(result_type, std::forward<Args>(args)...);
return Decorate(ctx, inst, (ctx.*non_sparse_ptr)(result_type, std::forward<Args>(args)...));
}
const Id struct_type{ctx.TypeStruct(ctx.U32[1], result_type)};
const Id sample{(ctx.*sparse_ptr)(struct_type, std::forward<Args>(args)...)};
const Id resident_code{ctx.OpCompositeExtract(ctx.U32[1], sample, 0U)};
sparse->SetDefinition(ctx.OpImageSparseTexelsResident(ctx.U1, resident_code));
sparse->Invalidate();
Decorate(ctx, inst, sample);
return ctx.OpCompositeExtract(result_type, sample, 1U);
}
} // Anonymous namespace