64 lines
3.3 KiB
C++
64 lines
3.3 KiB
C++
#ifndef HGL_GRAPH_VERTEX_ARRAY_INCLUDE
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#define HGL_GRAPH_VERTEX_ARRAY_INCLUDE
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#include<hgl/type/List.h>
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#include<hgl/graph/VertexBuffer.h>
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#include<hgl/graph/PixelCompoment.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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* 顶点阵列数据
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*/
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class VertexArray
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{
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protected:
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uint primitive; ///<绘制的图元类型
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ObjectList<VertexBufferBase> vertex_buffer_list; ///<顶点数据缓冲区
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int vertex_compoment; ///<顶点属性格式
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PixelCompoment color_compoment; ///<颜色属性格式
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VertexBufferBase *element_buffer;
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VertexBufferBase *vertex_buffer;
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VertexBufferBase *color_buffer;
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private:
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bool _SetVertexBuffer (VertexBufferBase *); ///<真实设置顶点缓冲区数据
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bool _SetElementBuffer (); ///<真实设置索引缓冲区数据
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public:
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VertexArray(uint prim,uint max_vertex_attrib);
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~VertexArray()=default;
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uint GetPrimitive ()const{return primitive;} ///<取得要绘制的图元类型
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public: //通用顶点缓冲区设置
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int AddVertexAttribBuffer (VertexBufferBase *); ///<设置顶点缓冲区数据
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VertexBufferBase * GetVertexAttribBuffer (int index){return vertex_buffer_list[index];} ///<取得顶点缓冲区数据
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bool ClearVertexAttribBuffer (int index){return vertex_buffer_list.Delete(index);} ///<清除顶点缓冲区数据
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void ClearVertexAttribBuffers (){vertex_buffer_list.Clear();} ///<清除所有顶点缓冲区数据
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public: //特殊缓冲区独立设置函数
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bool SetElementBuffer (VertexBufferBase *vb); ///<设置索引缓冲区数据
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bool SetVertexBuffer (VertexBufferBase *vb); ///<设置顶点缓冲区数据
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bool SetColorBuffer (VertexBufferBase *vb,PixelCompoment cf); ///<设置颜色缓冲区数据
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int GetVertexCompoment ()const{return vertex_compoment;} ///<取得顶点数据成分数量
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PixelCompoment GetColorCompoment ()const{return color_compoment;} ///<取得顶点颜色格式
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public:
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int GetDrawCount (); ///<取得可绘制的数据总数量
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};//class VertexArray
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}//namespace graph
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}//namespace hgl
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#endif//HGL_GRAPH_VERTEX_ARRAY_INCLUDE
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