50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
#ifndef HGL_GRAPH_VERTEX_ATTRIB_DATA_INCLUDE
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#define HGL_GRAPH_VERTEX_ATTRIB_DATA_INCLUDE
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#include<hgl/graph/VK.h>
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namespace hgl
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{
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namespace graph
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{
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/**
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* 顶点属性数据
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*/
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class VertexAttribData ///顶点属性数据
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{
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void *mem_data; ///<内存中的数据
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protected:
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VkFormat format;
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uint32_t count; ///<数据个数
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uint32_t total_bytes; ///<字节数
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public:
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VertexAttribData(uint32_t c,const VkFormat vf,const uint32_t t)
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{
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count=c;
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format=vf;
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total_bytes=t;
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mem_data = hgl_malloc(total_bytes); //在很多情况下，hgl_malloc分配的内存是对齐的，这样有效率上的提升
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}
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virtual ~VertexAttribData()
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{
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if(mem_data)
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hgl_free(mem_data);
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}
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const VkFormat GetFormat ()const{return format;} ///<取得数据类型
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const uint32_t GetCount ()const{return count;} ///<取得数据数量
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void * GetData ()const{return mem_data;} ///<取得数据指针
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const uint32_t GetTotalBytes ()const{return total_bytes;} ///<取得数据字节数
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};//class VertexAttribData
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using VAD=VertexAttribData;
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}//namespace graph
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}//namespace hgl
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#endif//HGL_GRAPH_VERTEX_ATTRIB_DATA_INCLUDE
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