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spirv: Guard against typeless image reads on unsupported devices

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This commit is contained in:
ReinUsesLisp 2021-04-11 02:37:03 -03:00 • committed by ameerj
parent 9280cd649a
commit ab543f1821
6 changed files with 17 additions and 1 deletions
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4
src/shader_recompiler/backend/spirv/emit_spirv.cpp
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@ -238,11 +238,13 @@ void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ct
ctx.AddCapability(spv::Capability::SubgroupVoteKHR);
}
}
if (info.uses_typeless_image_reads && profile.support_typeless_image_loads) {
ctx.AddCapability(spv::Capability::StorageImageReadWithoutFormat);
}
// TODO: Track this usage
ctx.AddCapability(spv::Capability::ImageGatherExtended);
ctx.AddCapability(spv::Capability::ImageQuery);
ctx.AddCapability(spv::Capability::SampledBuffer);
ctx.AddCapability(spv::Capability::StorageImageReadWithoutFormat);
}
} // Anonymous namespace

4
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
View file

@ -388,6 +388,10 @@ Id EmitImageGradient(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, I
Id EmitImageRead(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
if (info.image_format == ImageFormat::Typeless && !ctx.profile.support_typeless_image_loads) {
// LOG_WARNING(..., "Typeless image read not supported by host");
return ctx.ConstantNull(ctx.U32[4]);
}
return Emit(&EmitContext::OpImageSparseRead, &EmitContext::OpImageRead, ctx, inst, ctx.U32[4],
Image(ctx, index, info), coords, std::nullopt, std::span<const Id>{});
}