41 lines
857 B
C++
41 lines
857 B
C++
|
#include<hgl/graph/VKMemoryAllocator.h>
|
|||
|
|
#include<hgl/graph/VKDevice.h>
|
|||
|
|
#include<hgl/graph/VKPhysicalDevice.h>
|
|||
|
|
#include<hgl/graph/VKBuffer.h>
|
|||
|
|
|
|||
|
|
VK_NAMESPACE_BEGIN
|
|||
|
|
VKMemoryAllocator::VKMemoryAllocator(GPUDevice *d,const uint32_t flags)
|
|||
|
|
{
|
|||
|
|
device=d;
|
|||
|
|
buffer_usage_flag_bits=flags;
|
|||
|
|
gpu_buffer=nullptr;
|
|||
|
|
|
|||
|
|
const GPUPhysicalDevice *pd=device->GetPhysicalDevice();
|
|||
|
|
|
|||
|
|
SetAllocUnitSize(pd->GetConstantSize()); //<2F><>˵push constant<6E><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>GPU<50><55><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD>ʵ<EFBFBD>λ
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
VKMemoryAllocator::~VKMemoryAllocator()
|
|||
|
|
{
|
|||
|
|
SAFE_CLEAR(gpu_buffer);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
bool VKMemoryAllocator::Alloc()
|
|||
|
|
{
|
|||
|
|
if(gpu_buffer)
|
|||
|
|
delete gpu_buffer;
|
|||
|
|
|
|||
|
|
gpu_buffer=device->CreateBuffer(buffer_usage_flag_bits,alloc_size);
|
|||
|
|
|
|||
|
|
if(!gpu_buffer)
|
|||
|
|
{
|
|||
|
|
memory_block=nullptr;
|
|||
|
|
return(false);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
memory_block=gpu_buffer->Map();
|
|||
|
|
|
|||
|
|
return(true);
|
|||
|
|
}
|
|||
|
|
VK_NAMESPACE_END
|