mirror of
https://github.com/w23/xash3d-fwgs
synced 2024-12-17 23:09:40 +01:00
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
#include "vk_buffer.h"
|
|
|
|
#include <memory.h>
|
|
|
|
qboolean createBuffer(vk_buffer_t *buf, uint32_t size, VkBufferUsageFlags usage, VkMemoryPropertyFlags flags)
|
|
{
|
|
VkBufferCreateInfo bci = {
|
|
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
|
|
.size = size,
|
|
.usage = usage,
|
|
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
|
|
};
|
|
VkMemoryRequirements memreq;
|
|
XVK_CHECK(vkCreateBuffer(vk_core.device, &bci, NULL, &buf->buffer));
|
|
|
|
vkGetBufferMemoryRequirements(vk_core.device, buf->buffer, &memreq);
|
|
gEngine.Con_Reportf("memreq: memoryTypeBits=0x%x alignment=%zu size=%zu\n", memreq.memoryTypeBits, memreq.alignment, memreq.size);
|
|
|
|
buf->device_memory = allocateDeviceMemory(memreq, flags, usage & VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT ? VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT : 0);
|
|
XVK_CHECK(vkBindBufferMemory(vk_core.device, buf->buffer, buf->device_memory.device_memory, buf->device_memory.offset));
|
|
|
|
// FIXME when there are many allocation per VkDeviceMemory, fix this
|
|
if (VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT & flags)
|
|
XVK_CHECK(vkMapMemory(vk_core.device, buf->device_memory.device_memory, 0, bci.size, 0, &buf->mapped));
|
|
|
|
buf->size = size;
|
|
|
|
return true;
|
|
}
|
|
|
|
void destroyBuffer(vk_buffer_t *buf) {
|
|
// FIXME when there are many allocation per VkDeviceMemory, fix this
|
|
if (buf->buffer)
|
|
{
|
|
vkDestroyBuffer(vk_core.device, buf->buffer, NULL);
|
|
buf->buffer = VK_NULL_HANDLE;
|
|
}
|
|
|
|
if (buf->device_memory.device_memory)
|
|
{
|
|
if (buf->mapped)
|
|
vkUnmapMemory(vk_core.device, buf->device_memory.device_memory);
|
|
|
|
freeDeviceMemory(&buf->device_memory);
|
|
buf->device_memory.device_memory = VK_NULL_HANDLE;
|
|
buf->device_memory.offset = 0;
|
|
buf->mapped = 0;
|
|
buf->size = 0;
|
|
}
|
|
}
|