71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
#pragma once
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#include<spirv_cross/spirv_cross.hpp>
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#include<hgl/graph/vulkan/VKFormat.h>
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using namespace hgl;
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using SPVResVector=spirv_cross::SmallVector<spirv_cross::Resource>;
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class ShaderParse
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{
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spirv_cross::Compiler *compiler;
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spirv_cross::ShaderResources resource;
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public:
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ShaderParse(const void *spv_data,const uint32_t spv_size)
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{
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compiler=new spirv_cross::Compiler((const uint32_t *)spv_data,spv_size/sizeof(uint32_t));
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resource=compiler->get_shader_resources();
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}
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~ShaderParse()
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{
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delete compiler;
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}
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#define SHADER_PARSE_GET_RESOURCE(name,buf_name) const SPVResVector &Get##name()const{return resource.buf_name;}
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SHADER_PARSE_GET_RESOURCE(UBO, uniform_buffers)
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SHADER_PARSE_GET_RESOURCE(SSBO, storage_buffers)
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SHADER_PARSE_GET_RESOURCE(StageInputs, stage_inputs)
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SHADER_PARSE_GET_RESOURCE(StageOutputs, stage_outputs)
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SHADER_PARSE_GET_RESOURCE(Sampler, sampled_images)
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SHADER_PARSE_GET_RESOURCE(Subpass, subpass_inputs)
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//SmallVector<Resource> storage_images;
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//SmallVector<Resource> atomic_counters;
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//SmallVector<Resource> acceleration_structures;
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//SmallVector<Resource> push_constant_buffers;
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//SmallVector<Resource> separate_images;
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//SmallVector<Resource> separate_samplers;
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#undef SHADER_PARSE_GET_RESOURCE
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public:
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const AnsiString GetName(const spirv_cross::Resource &res)const
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{
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return AnsiString(compiler->get_name(res.id).c_str());
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}
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const uint32_t GetBinding(const spirv_cross::Resource &res)const
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{
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return compiler->get_decoration(res.id,spv::DecorationBinding);
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}
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const uint32_t GetLocation(const spirv_cross::Resource &res)const
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{
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return compiler->get_decoration(res.id,spv::DecorationLocation);
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}
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void GetFormat(const spirv_cross::Resource &res,spirv_cross::SPIRType::BaseType *base_type,uint8 *vecsize)
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{
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const spirv_cross::SPIRType &type=compiler->get_type(res.type_id);
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*base_type =type.basetype;
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*vecsize =type.vecsize;
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}
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};//class ShaderParse
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