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spirv: Desambiguate descriptor names

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Worksaround a bug on Nvidia's OpenGL SPIR-V compiler where names are
used for name matching.
This commit is contained in:
ReinUsesLisp 2021-05-23 03:52:54 -03:00 committed by ameerj
parent a46d91b1ef
commit d5d6778ba5
1 changed files with 37 additions and 9 deletions
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46
src/shader_recompiler/backend/spirv/emit_context.cpp
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@ -222,13 +222,39 @@ std::optional<AttrInfo> AttrTypes(EmitContext& ctx, u32 index) {
throw InvalidArgument("Invalid attribute type {}", type);
}
std::string_view StageName(Stage stage) {
switch (stage) {
case Stage::VertexA:
return "vs_a";
case Stage::VertexB:
return "vs";
case Stage::TessellationControl:
return "tcs";
case Stage::TessellationEval:
return "tes";
case Stage::Geometry:
return "gs";
case Stage::Fragment:
return "fs";
case Stage::Compute:
return "cs";
}
throw InvalidArgument("Invalid stage {}", stage);
}
template <typename... Args>
void Name(EmitContext& ctx, Id object, std::string_view format_str, Args&&... args) {
ctx.Name(object,
fmt::format(format_str, StageName(ctx.stage), std::forward<Args>(args)...).c_str());
}
void DefineConstBuffers(EmitContext& ctx, const Info& info, Id UniformDefinitions::*member_type,
u32 binding, Id type, char type_char, u32 element_size) {
const Id array_type{ctx.TypeArray(type, ctx.Const(65536U / element_size))};
ctx.Decorate(array_type, spv::Decoration::ArrayStride, element_size);
const Id struct_type{ctx.TypeStruct(array_type)};
ctx.Name(struct_type, fmt::format("cbuf_block_{}{}", type_char, element_size * CHAR_BIT));
Name(ctx, struct_type, "{}_cbuf_block_{}{}", ctx.stage, type_char, element_size * CHAR_BIT);
ctx.Decorate(struct_type, spv::Decoration::Block);
ctx.MemberName(struct_type, 0, "data");
ctx.MemberDecorate(struct_type, 0, spv::Decoration::Offset, 0U);
@ -382,11 +408,13 @@ Id CasLoop(EmitContext& ctx, Operation operation, Id array_pointer, Id element_p
}
template <typename Desc>
std::string NameOf(const Desc& desc, std::string_view prefix) {
std::string NameOf(Stage stage, const Desc& desc, std::string_view prefix) {
if (desc.count > 1) {
return fmt::format("{}{}_{:02x}x{}", prefix, desc.cbuf_index, desc.cbuf_offset, desc.count);
return fmt::format("{}_{}{}_{:02x}x{}", StageName(stage), prefix, desc.cbuf_index,
desc.cbuf_offset, desc.count);
} else {
return fmt::format("{}{}_{:02x}", prefix, desc.cbuf_index, desc.cbuf_offset);
return fmt::format("{}_{}{}_{:02x}", StageName(stage), prefix, desc.cbuf_index,
desc.cbuf_offset);
}
}
@ -989,7 +1017,7 @@ void EmitContext::DefineTextureBuffers(const Info& info, u32& binding) {
const Id id{AddGlobalVariable(type, spv::StorageClass::UniformConstant)};
Decorate(id, spv::Decoration::Binding, binding);
Decorate(id, spv::Decoration::DescriptorSet, 0U);
Name(id, NameOf(desc, "texbuf"));
Name(id, NameOf(stage, desc, "texbuf"));
texture_buffers.push_back({
.id = id,
.count = desc.count,
@ -1008,12 +1036,12 @@ void EmitContext::DefineImageBuffers(const Info& info, u32& binding) {
throw NotImplementedException("Array of image buffers");
}
const spv::ImageFormat format{GetImageFormat(desc.format)};
const Id image_type{TypeImage(U32[4], spv::Dim::Buffer, false, false, false, 2, format)};
const Id image_type{TypeImage(U32[1], spv::Dim::Buffer, false, false, false, 2, format)};
const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, image_type)};
const Id id{AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant)};
Decorate(id, spv::Decoration::Binding, binding);
Decorate(id, spv::Decoration::DescriptorSet, 0U);
Name(id, NameOf(desc, "imgbuf"));
Name(id, NameOf(stage, desc, "imgbuf"));
image_buffers.push_back({
.id = id,
.image_type = image_type,
@ -1036,7 +1064,7 @@ void EmitContext::DefineTextures(const Info& info, u32& binding) {
const Id id{AddGlobalVariable(desc_type, spv::StorageClass::UniformConstant)};
Decorate(id, spv::Decoration::Binding, binding);
Decorate(id, spv::Decoration::DescriptorSet, 0U);
Name(id, NameOf(desc, "tex"));
Name(id, NameOf(stage, desc, "tex"));
textures.push_back({
.id = id,
.sampled_type = sampled_type,
@ -1062,7 +1090,7 @@ void EmitContext::DefineImages(const Info& info, u32& binding) {
const Id id{AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant)};
Decorate(id, spv::Decoration::Binding, binding);
Decorate(id, spv::Decoration::DescriptorSet, 0U);
Name(id, NameOf(desc, "img"));
Name(id, NameOf(stage, desc, "img"));
images.push_back({
.id = id,
.image_type = image_type,