103 lines
2.2 KiB
C++
103 lines
2.2 KiB
C++
#ifndef HGL_GRAPH_VULKAN_BUFFER_INCLUDE
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#define HGL_GRAPH_VULKAN_BUFFER_INCLUDE
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#include"VK.h"
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VK_NAMESPACE_BEGIN
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struct VulkanBuffer
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{
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VkBuffer buffer;
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VkDeviceMemory memory;
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VkDescriptorBufferInfo info;
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};//struct VulkanBuffer
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class Buffer
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{
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protected:
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VkDevice device;
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VulkanBuffer buf;
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private:
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friend class Device;
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friend class VertexBuffer;
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friend class IndexBuffer;
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Buffer(VkDevice d,const VulkanBuffer &vb)
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{
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device=d;
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buf=vb;
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}
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public:
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virtual ~Buffer();
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operator VkBuffer (){return buf.buffer;}
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operator VkDeviceMemory (){return buf.memory;}
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operator VkDescriptorBufferInfo * (){return &buf.info;}
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virtual uint8_t *Map(uint32_t start=0,uint32_t size=0);
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void Unmap();
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bool Write(const void *ptr,uint32_t start,uint32_t size);
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bool Write(const void *ptr){return Write(ptr,0,buf.info.range);}
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};//class Buffer
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class VertexBuffer:public Buffer
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{
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VkFormat format; ///<数据格式
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uint32_t stride; ///<单个数据字节数
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uint32_t count; ///<数据数量
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private:
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friend class Device;
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VertexBuffer(VkDevice d,const VulkanBuffer &vb,VkFormat fmt,uint32_t _stride,uint32_t _count):Buffer(d,vb)
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{
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format=fmt;
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stride=_stride;
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count=_count;
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}
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public:
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~VertexBuffer()=default;
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const VkFormat GetFormat()const { return format; }
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const uint32_t GetStride()const { return stride; }
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const uint32_t GetCount ()const { return count; }
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uint8_t *Map(uint32_t start=0,uint32_t size=0) override
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{
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return Buffer::Map(start*stride,size*stride);
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}
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};//class VertexBuffer:public Buffer
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class IndexBuffer:public Buffer
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{
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VkIndexType index_type;
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uint32_t count;
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private:
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friend class Device;
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IndexBuffer(VkDevice d,const VulkanBuffer &vb,VkIndexType it,uint32_t _count):Buffer(d,vb)
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{
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index_type=it;
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count=_count;
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}
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public:
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~IndexBuffer()=default;
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const VkIndexType GetType ()const{return index_type;}
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const uint32 GetCount()const{return count;}
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};//class IndexBuffer:public Buffer
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VK_NAMESPACE_END
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#endif//HGL_GRAPH_VULKAN_BUFFER_INCLUDE
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