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