mesa/src/vulkan/runtime/vk_buffer_view.c
Faith Ekstrand b083f44303 vulkan: Add a core vk_buffer_view struct
Reviewed-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24335>
2023-07-31 17:01:41 +00:00

64 lines
2.4 KiB
C

/*
* Copyright © 2022 Collabora, Ltd.
*
* 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 (including the next
* paragraph) 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 "vk_buffer_view.h"
#include "vk_buffer.h"
#include "vk_format.h"
void *
vk_buffer_view_create(struct vk_device *device,
const VkBufferViewCreateInfo *pCreateInfo,
const VkAllocationCallbacks *alloc,
size_t size)
{
VK_FROM_HANDLE(vk_buffer, buffer, pCreateInfo->buffer);
struct vk_buffer_view *buffer_view;
buffer_view = vk_object_zalloc(device, alloc, size,
VK_OBJECT_TYPE_BUFFER_VIEW);
if (!buffer_view)
return NULL;
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO);
assert(pCreateInfo->flags == 0);
assert(pCreateInfo->range > 0);
buffer_view->buffer = buffer;
buffer_view->format = pCreateInfo->format;
buffer_view->offset = pCreateInfo->offset;
buffer_view->range = vk_buffer_range(buffer, pCreateInfo->offset,
pCreateInfo->range);
buffer_view->elements = buffer_view->range /
vk_format_get_blocksize(buffer_view->format);
return buffer_view;
}
void
vk_buffer_view_destroy(struct vk_device *device,
const VkAllocationCallbacks *alloc,
struct vk_buffer_view *buffer_view)
{
vk_object_free(device, alloc, buffer_view);
}