ULRE/example/Vulkan/VKBuffer.cpp

31 lines
571 B
C++

#include"VKBuffer.h"
VK_NAMESPACE_BEGIN
Buffer::~Buffer()
{
vkDestroyBuffer(device,buf.buffer,nullptr);
vkFreeMemory(device,buf.memory,nullptr);
}
uint8_t *Buffer::Map(uint32_t start,uint32_t size)
{
uint8_t *p;
if(start>buf.info.range
||start+size>buf.info.range)
return(nullptr);
if(start==0&&size==0)
size=buf.info.range;
if(vkMapMemory(device,buf.memory,start,size,0,(void **)&p)==VK_SUCCESS)
return p;
return nullptr;
}
void Buffer::Unmap()
{
vkUnmapMemory(device,buf.memory);
}
VK_NAMESPACE_END