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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
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@ -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>{});
}

7
src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
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@ -421,6 +421,13 @@ void VisitUsages(Info& info, IR::Inst& inst) {
inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp) != nullptr;
break;
}
case IR::Opcode::ImageRead: {
const auto flags{inst.Flags<IR::TextureInstInfo>()};
info.uses_typeless_image_reads |= flags.image_format == ImageFormat::Typeless;
info.uses_sparse_residency |=
inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp) != nullptr;
break;
}
case IR::Opcode::SubgroupEqMask:
case IR::Opcode::SubgroupLtMask:
case IR::Opcode::SubgroupLeMask:

1
src/shader_recompiler/profile.h
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@ -36,6 +36,7 @@ struct Profile {
bool support_explicit_workgroup_layout{};
bool support_vote{};
bool support_viewport_index_layer_non_geometry{};
bool support_typeless_image_loads{};
bool warp_size_potentially_larger_than_guest{};
// FClamp is broken and OpFMax + OpFMin should be used instead

1
src/shader_recompiler/shader_info.h
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@ -127,6 +127,7 @@ struct Info {
bool uses_subgroup_vote{};
bool uses_subgroup_mask{};
bool uses_fswzadd{};
bool uses_typeless_image_reads{};
IR::Type used_constant_buffer_types{};

1
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
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@ -635,6 +635,7 @@ PipelineCache::PipelineCache(RasterizerVulkan& rasterizer_, Tegra::GPU& gpu_,
.support_vote = true,
.support_viewport_index_layer_non_geometry =
device.IsExtShaderViewportIndexLayerSupported(),
.support_typeless_image_loads = device.IsFormatlessImageLoadSupported(),
.warp_size_potentially_larger_than_guest = device.IsWarpSizePotentiallyBiggerThanGuest(),
.has_broken_spirv_clamp = driver_id == VK_DRIVER_ID_INTEL_PROPRIETARY_WINDOWS_KHR,
.generic_input_types{},