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/*
* Copyright (c) 2018-2022 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
* Software, and to permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "vkh_buffer.h"
#include "vkh_device.h"
#ifndef VKH_USE_VMA
void _set_size_and_bind(VkhDevice pDev, VkBufferUsageFlags usage, VkhMemoryUsage memoryUsage, VkDeviceSize size, VkhBuffer buff){
VkMemoryRequirements memReq;
vkGetBufferMemoryRequirements(pDev->dev, buff->buffer, &memReq);
VkMemoryAllocateInfo memAllocInfo = { .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
.allocationSize = memReq.size };
vkh_memory_type_from_properties(&pDev->phyMemProps, memReq.memoryTypeBits, memoryUsage, &memAllocInfo.memoryTypeIndex);
VK_CHECK_RESULT(vkAllocateMemory(pDev->dev, &memAllocInfo, NULL, &buff->memory));
buff->alignment = memReq.alignment;
buff->size = memAllocInfo.allocationSize;
buff->usageFlags = usage;
buff->memprops = memoryUsage;
VK_CHECK_RESULT(vkBindBufferMemory(buff->pDev->dev, buff->buffer, buff->memory, 0));
}
#endif
void vkh_buffer_init(VkhDevice pDev, VkBufferUsageFlags usage, VkhMemoryUsage memprops, VkDeviceSize size, VkhBuffer buff, bool mapped){
buff->pDev = pDev;
VkBufferCreateInfo* pInfo = &buff->infos;
pInfo->sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
pInfo->usage = usage;
pInfo->size = size;
pInfo->sharingMode = VK_SHARING_MODE_EXCLUSIVE;
#ifdef VKH_USE_VMA
buff->allocCreateInfo.usage = (VmaMemoryUsage)memprops;
if (mapped)
buff->allocCreateInfo.flags = VMA_ALLOCATION_CREATE_MAPPED_BIT;
VK_CHECK_RESULT(vmaCreateBuffer(pDev->allocator, pInfo, &buff->allocCreateInfo, &buff->buffer, &buff->alloc, &buff->allocInfo));
#else
VK_CHECK_RESULT(vkCreateBuffer(pDev->dev, pInfo, NULL, &buff->buffer));
_set_size_and_bind (pDev, usage, memprops, size, buff);
buff->memprops = memprops;
if (mapped)
VK_CHECK_RESULT(vkMapMemory(buff->pDev->dev, buff->memory, 0, VK_WHOLE_SIZE, 0, &buff->mapped));
#endif
}
VkhBuffer vkh_buffer_create(VkhDevice pDev, VkBufferUsageFlags usage, VkhMemoryUsage memprops, VkDeviceSize size){
VkhBuffer buff = (VkhBuffer)calloc(1, sizeof(vkh_buffer_t));
vkh_buffer_init(pDev, usage, memprops, size, buff, false);
return buff;
}
void vkh_buffer_reset(VkhBuffer buff){
if (buff->buffer)
#ifdef VKH_USE_VMA
vmaDestroyBuffer(buff->pDev->allocator, buff->buffer, buff->alloc);
#else
vkDestroyBuffer(buff->pDev->dev, buff->buffer, NULL);
if (buff->memory)
vkFreeMemory(buff->pDev->dev, buff->memory, NULL);
#endif
}
void vkh_buffer_destroy(VkhBuffer buff){
if (buff->buffer)
#ifdef VKH_USE_VMA
vmaDestroyBuffer(buff->pDev->allocator, buff->buffer, buff->alloc);
#else
vkDestroyBuffer(buff->pDev->dev, buff->buffer, NULL);
if (buff->memory)
vkFreeMemory(buff->pDev->dev, buff->memory, NULL);
#endif
free(buff);
buff = NULL;
}
void vkh_buffer_resize(VkhBuffer buff, VkDeviceSize newSize, bool mapped){
vkh_buffer_reset(buff);
buff->infos.size = newSize;
#ifdef VKH_USE_VMA
VK_CHECK_RESULT(vmaCreateBuffer(buff->pDev->allocator, &buff->infos, &buff->allocCreateInfo, &buff->buffer, &buff->alloc, &buff->allocInfo));
#else
VK_CHECK_RESULT(vkCreateBuffer(buff->pDev->dev, &buff->infos, NULL, &buff->buffer));
_set_size_and_bind (buff->pDev, buff->usageFlags, buff->memprops, buff->infos.size, buff);
if (mapped)
VK_CHECK_RESULT(vkMapMemory(buff->pDev->dev, buff->memory, 0, VK_WHOLE_SIZE, 0, &buff->mapped));
#endif
}
VkDescriptorBufferInfo vkh_buffer_get_descriptor (VkhBuffer buff){
VkDescriptorBufferInfo desc = {
.buffer = buff->buffer,
.offset = 0,
.range = VK_WHOLE_SIZE};
return desc;
}
VkResult vkh_buffer_map(VkhBuffer buff){
#ifdef VKH_USE_VMA
return vmaMapMemory(buff->pDev->allocator, buff->alloc, &buff->mapped);
#else
return vkMapMemory(buff->pDev->dev, buff->memory, 0, VK_WHOLE_SIZE, 0, &buff->mapped);
#endif
}
void vkh_buffer_unmap(VkhBuffer buff){
#ifdef VKH_USE_VMA
vmaUnmapMemory(buff->pDev->allocator, buff->alloc);
#else
if (!buff->mapped)
return;
vkUnmapMemory (buff->pDev->dev, buff->memory);
buff->mapped = NULL;
#endif
}
VkBuffer vkh_buffer_get_vkbuffer (VkhBuffer buff){
return buff->buffer;
}
void* vkh_buffer_get_mapped_pointer (VkhBuffer buff){
#ifdef VKH_USE_VMA
//vmaFlushAllocation (buff->pDev->allocator, buff->alloc, buff->allocInfo.offset, buff->allocInfo.size);
return buff->allocInfo.pMappedData;
#else
return buff->mapped;
#endif
}
void vkh_buffer_flush (VkhBuffer buff){
#ifdef VKH_USE_VMA
vmaFlushAllocation (buff->pDev->allocator, buff->alloc, buff->allocInfo.offset, buff->allocInfo.size);
#else
#endif
}
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