88 lines
1.9 KiB
C++
88 lines
1.9 KiB
C++
#include<hgl/graph/vulkan/VKDevice.h>
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#include<hgl/graph/vulkan/VKMemory.h>
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#include<hgl/graph/vulkan/VKPhysicalDevice.h>
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VK_NAMESPACE_BEGIN
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Memory *Device::CreateMemory(const VkMemoryRequirements &req,uint32_t properties)
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{
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uint32_t index;
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if(!attr->physical_device->CheckMemoryType(req.memoryTypeBits,properties,&index))
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return(nullptr);
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VkMemoryAllocateInfo alloc_info;
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alloc_info.sType =VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
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alloc_info.pNext =nullptr;
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alloc_info.memoryTypeIndex =index;
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alloc_info.allocationSize =req.size;
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VkDeviceMemory memory;
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if(vkAllocateMemory(attr->device,&alloc_info,nullptr,&memory)!=VK_SUCCESS)
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return(nullptr);
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return(new Memory(attr->device,memory,req,index,properties));
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}
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Memory::~Memory()
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{
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vkFreeMemory(device,memory,nullptr);
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}
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void *Memory::Map()
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{
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void *result;
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if(vkMapMemory(device,memory,0,req.size,0,&result)==VK_SUCCESS)
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return result;
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return(nullptr);
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}
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void *Memory::Map(const VkDeviceSize offset,const VkDeviceSize size)
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{
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if(offset<0||offset+size>=req.size)
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return(nullptr);
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void *result;
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if(vkMapMemory(device,memory,0,size,0,&result)==VK_SUCCESS)
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return result;
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return(nullptr);
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}
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void Memory::Unmap()
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{
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vkUnmapMemory(device,memory);
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}
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bool Memory::Write(const void *ptr,VkDeviceSize start,VkDeviceSize 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,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,memory);
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return(true);
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}
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bool Memory::BindBuffer(VkBuffer buffer)
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{
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if(!buffer)return(false);
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return(vkBindBufferMemory(device,buffer,memory,0)==VK_SUCCESS);
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}
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bool Memory::BindImage(VkImage image)
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{
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if(!image)return(false);
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return(vkBindImageMemory(device,image,memory,0)==VK_SUCCESS);
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}
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VK_NAMESPACE_END
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