41 lines
1.4 KiB
C++
41 lines
1.4 KiB
C++
#ifndef HGL_GRAPH_VULKAN_ARRAY_BUFFER_INCLUDE
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#define HGL_GRAPH_VULKAN_ARRAY_BUFFER_INCLUDE
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#include<hgl/graph/VKBuffer.h>
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#include<hgl/graph/VKDevice.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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* GPU数据阵列缓冲区<br>
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* 它用于储存多份相同格式的数据，常用于多物件渲染，instance等
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*/
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class GPUArrayBuffer
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{
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protected:
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GPUDevice * device;
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uint32_t item_size; ///<单个数据长度
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uint32_t alloc_count; ///<总计分配的数据个数
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uint32_t count; ///<实际使用的数据个数
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uint32_t total_bytes; ///<总字节数
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GPUBuffer * buf_gpu; ///<实际数据GPU缓冲区
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uint8 * buf_cpu;
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uint32_t * offset; ///<数据偏移地址
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public:
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GPUArrayBuffer(GPUDevice *,const uint32_t s=0,const uint32_t c=0);
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virtual ~GPUArrayBuffer();
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void Clear(); ///<清空缓冲区
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bool Init(const uint32_t); ///<初始化并分配空间
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};//class GPUArrayBuffer
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}//namespace graph
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}//namespace hgl
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#endif//HGL_GRAPH_VULKAN_ARRAY_BUFFER_INCLUDE
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