mirror of
https://github.com/w23/xash3d-fwgs
synced 2024-12-16 06:00:33 +01:00
46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
#include "vk_buffer.h"
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#include <memory.h>
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qboolean createBuffer(vk_buffer_t *buf, uint32_t size, VkBufferUsageFlags usage, VkMemoryPropertyFlags flags)
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{
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VkBufferCreateInfo bci = {
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.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
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.size = size,
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.usage = usage,
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.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
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};
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VkMemoryRequirements memreq;
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XVK_CHECK(vkCreateBuffer(vk_core.device, &bci, NULL, &buf->buffer));
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vkGetBufferMemoryRequirements(vk_core.device, buf->buffer, &memreq);
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gEngine.Con_Reportf("memreq: memoryTypeBits=0x%x alignment=%zu size=%zu\n", memreq.memoryTypeBits, memreq.alignment, memreq.size);
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buf->device_memory = allocateDeviceMemory(memreq, flags);
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XVK_CHECK(vkBindBufferMemory(vk_core.device, buf->buffer, buf->device_memory.device_memory, buf->device_memory.offset));
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// FIXME when there are many allocation per VkDeviceMemory, fix this
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XVK_CHECK(vkMapMemory(vk_core.device, buf->device_memory.device_memory, 0, bci.size, 0, &buf->mapped));
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return true;
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}
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void destroyBuffer(vk_buffer_t *buf) {
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// FIXME when there are many allocation per VkDeviceMemory, fix this
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if (buf->buffer)
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{
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vkDestroyBuffer(vk_core.device, buf->buffer, NULL);
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buf->buffer = VK_NULL_HANDLE;
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}
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if (buf->device_memory.device_memory)
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{
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vkUnmapMemory(vk_core.device, buf->device_memory.device_memory);
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freeDeviceMemory(&buf->device_memory);
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buf->device_memory.device_memory = VK_NULL_HANDLE;
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buf->device_memory.offset = 0;
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buf->mapped = 0;
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buf->size = 0;
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}
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}
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