45 lines
860 B
C++
45 lines
860 B
C++
#include"VKBuffer.h"
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VK_NAMESPACE_BEGIN
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Buffer::~Buffer()
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{
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vkFreeMemory(device,buf.memory,nullptr);
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vkDestroyBuffer(device,buf.buffer,nullptr);
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}
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uint8_t *Buffer::Map(uint32_t start,uint32_t size)
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{
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uint8_t *p;
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if(start>buf.info.range
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||start+size>buf.info.range)
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return(nullptr);
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if(start==0&&size==0)
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size=buf.info.range;
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if(vkMapMemory(device,buf.memory,start,size,0,(void **)&p)==VK_SUCCESS)
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return p;
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return nullptr;
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}
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void Buffer::Unmap()
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{
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vkUnmapMemory(device,buf.memory);
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}
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bool Buffer::Write(const void *ptr,uint32_t start,uint32_t size)
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{
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if(!ptr)return(false);
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void *dst;
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if(vkMapMemory(device,buf.memory,start,size,0,&dst)!=VK_SUCCESS)
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return(false);
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memcpy(dst,ptr,size);
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vkUnmapMemory(device,buf.memory);
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return(true);
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}
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VK_NAMESPACE_END
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