79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
#include"RenderSurface.h"
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VK_NAMESPACE_BEGIN
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Buffer *RenderSurface::CreateBuffer(VkBufferUsageFlags buf_usage,VkDeviceSize size,VkSharingMode sharing_mode)
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{
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VkBufferCreateInfo buf_info={};
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buf_info.sType=VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
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buf_info.pNext=nullptr;
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buf_info.usage=buf_usage;
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buf_info.size=size;
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buf_info.queueFamilyIndexCount=0;
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buf_info.pQueueFamilyIndices=nullptr;
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buf_info.sharingMode=sharing_mode;
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buf_info.flags=0;
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VkBuffer buf;
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if(vkCreateBuffer(rsa->device,&buf_info,nullptr,&buf)!=VK_SUCCESS)
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return(nullptr);
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VkMemoryRequirements mem_reqs;
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vkGetBufferMemoryRequirements(rsa->device,buf,&mem_reqs);
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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=NULL;
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alloc_info.memoryTypeIndex=0;
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alloc_info.allocationSize=mem_reqs.size;
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if(rsa->CheckMemoryType(mem_reqs.memoryTypeBits,VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT|VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,&alloc_info.memoryTypeIndex))
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{
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VkDeviceMemory mem;
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if(vkAllocateMemory(rsa->device,&alloc_info,nullptr,&mem)==VK_SUCCESS)
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{
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if(vkBindBufferMemory(rsa->device,buf,mem,0)==VK_SUCCESS)
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{
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VkDescriptorBufferInfo buf_info;
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buf_info.buffer=buf;
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buf_info.offset=0;
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buf_info.range=size;
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return(new Buffer(rsa->device,buf,mem,buf_info));
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}
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vkFreeMemory(rsa->device,mem,nullptr);
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}
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}
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vkDestroyBuffer(rsa->device,buf,nullptr);
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return(nullptr);
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}
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CommandBuffer *RenderSurface::CreateCommandBuffer()
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{
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if(!rsa->cmd_pool)
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return(nullptr);
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VkCommandBufferAllocateInfo cmd={};
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cmd.sType=VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
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cmd.pNext=nullptr;
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cmd.commandPool=rsa->cmd_pool;
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cmd.level=VK_COMMAND_BUFFER_LEVEL_PRIMARY;
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cmd.commandBufferCount=1;
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VkCommandBuffer cmd_buf;
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VkResult res=vkAllocateCommandBuffers(rsa->device,&cmd,&cmd_buf);
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if(res!=VK_SUCCESS)
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return(nullptr);
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return(new CommandBuffer(rsa->device,rsa->cmd_pool,cmd_buf));
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}
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VK_NAMESPACE_END
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