91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
#ifndef HGL_GRAPH_VULKAN_SHADER_MODULE_INCLUDE
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#define HGL_GRAPH_VULKAN_SHADER_MODULE_INCLUDE
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#include<hgl/graph/vulkan/VKShaderResource.h>
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VK_NAMESPACE_BEGIN
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class ShaderParse;
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/**
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* Shader模块<br>
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* 该模块提供的是原始的shader数据和信息，不可被修改，只能通过ShaderModuleManage创建和删除
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*/
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class ShaderModule
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{
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VkDevice device;
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int shader_id;
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int ref_count;
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private:
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VkPipelineShaderStageCreateInfo *stage_create_info;
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ShaderResource resource;
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public:
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ShaderModule(VkDevice dev,int id,VkPipelineShaderStageCreateInfo *pssci,const ShaderParse *);
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virtual ~ShaderModule();
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const int GetID()const{return shader_id;}
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const int IncRef(){return ++ref_count;}
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const int DecRef(){return --ref_count;}
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public:
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const VkShaderStageFlagBits GetStage ()const{return stage_create_info->stage;}
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const VkPipelineShaderStageCreateInfo * GetCreateInfo ()const{return stage_create_info;}
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const ShaderResource & GetResource ()const{return resource;}
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const int GetBinding (VkDescriptorType desc_type,const UTF8String &name)const
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{
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return resource[desc_type].GetBinding(name);
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}
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};//class ShaderModule
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class VertexAttributeBinding;
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/**
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* 顶点Shader模块<br>
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* 由于顶点shader在最前方执行，所以它比其它shader多了VertexInput的数据
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*/
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class VertexShaderModule:public ShaderModule
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{
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uint32_t attr_count;
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VkVertexInputBindingDescription *binding_list;
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VkVertexInputAttributeDescription *attribute_list;
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private:
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Map<UTF8String,VkVertexInputAttributeDescription *> stage_input_locations;
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Set<VertexAttributeBinding *> vab_sets;
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public:
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VertexShaderModule(VkDevice dev,int id,VkPipelineShaderStageCreateInfo *pssci,const ShaderParse *parse);
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virtual ~VertexShaderModule();
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/**
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* 获取输入流绑定点，需要注意的时，这里获取的binding并非是shader中的binding/location，而是绑定顺序的序列号。对应vkCmdBindVertexBuffer的缓冲区序列号
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*/
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const int GetStageInputBinding(const UTF8String &)const;
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const uint32_t GetAttrCount()const{return attr_count;}
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const VkVertexInputBindingDescription * GetDescList ()const{return binding_list;}
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const VkVertexInputAttributeDescription * GetAttrList ()const{return attribute_list;}
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const VkVertexInputBindingDescription * GetDesc (const uint32_t index)const{return (index>=attr_count?nullptr:binding_list+index);}
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const VkVertexInputAttributeDescription * GetAttr (const uint32_t index)const{return (index>=attr_count?nullptr:attribute_list+index);}
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public:
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VertexAttributeBinding * CreateVertexAttributeBinding();
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bool Release(VertexAttributeBinding *);
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const uint32_t GetInstanceCount()const{return vab_sets.GetCount();}
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};//class VertexShaderModule:public ShaderModule
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VK_NAMESPACE_END
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#endif//HGL_GRAPH_VULKAN_SHADER_MODULE_INCLUDE
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