86 lines
2.9 KiB
C++
86 lines
2.9 KiB
C++
#ifndef HGL_GRAPH_PRIMITIVE_CREATER_INCLUDE
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#define HGL_GRAPH_PRIMITIVE_CREATER_INCLUDE
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#include<hgl/graph/VKRenderResource.h>
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#include<hgl/graph/VertexAttribDataAccess.h>
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#include<hgl/graph/VKShaderModule.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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* 可绘制图元创建器
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*/
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class PrimitiveCreater
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{
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struct PrimitiveVertexBuffer
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{
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AnsiString name;
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uint binding;
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VAD * data =nullptr;
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VBO * vbo =nullptr;
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public:
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~PrimitiveVertexBuffer()
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{
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SAFE_CLEAR(data);
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}
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};//struct PrimitiveVertexBuffer
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using PVBMap=ObjectMap<AnsiString,PrimitiveVertexBuffer>;
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protected:
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RenderResource *db;
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Material *mtl;
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const VIL *vil;
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protected:
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uint32 vertices_number;
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IndexBuffer * ibo;
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PVBMap vbo_map;
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public:
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PrimitiveCreater(RenderResource *sdb,const VIL *);
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virtual ~PrimitiveCreater()=default;
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virtual bool Init(const uint32 vertices_count); ///<初始化，参数为顶点数量
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VAD * CreateVAD(const AnsiString &name); ///<创建一个顶点属性缓冲区
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template<typename T>
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T * CreateVADA(const AnsiString &name) ///<创建一个顶点属性缓冲区以及访问器
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{
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const VkFormat format=vil->GetVulkanFormat(name);
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if(format!=T::GetVulkanFormat())
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return(nullptr);
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VAD *vad=this->CreateVAD(name);
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if(!vad)
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return(nullptr);
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T *vada=T::Create(vad);
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vada->Begin();
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return vada;
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}
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bool WriteVAD(const AnsiString &name,const void *data,const uint32_t bytes); ///<直接写入顶点属性数据
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uint16 * CreateIBO16(uint count,const uint16 *data=nullptr); ///<创建16位的索引缓冲区
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uint32 * CreateIBO32(uint count,const uint32 *data=nullptr); ///<创建32位的索引缓冲区
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virtual Primitive * Finish(); ///<结束并创建可渲染对象
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};//class PrimitiveCreater
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}//namespace graph
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}//namespace hgl
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#endif//HGL_GRAPH_PRIMITIVE_CREATER_INCLUDE
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