1 /*
2 * Copyright © 2022 Collabora, Ltd.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #include "vk_buffer_view.h"
25
26 #include "vk_alloc.h"
27 #include "vk_buffer.h"
28 #include "vk_device.h"
29 #include "vk_format.h"
30
31 void
vk_buffer_view_init(struct vk_device * device,struct vk_buffer_view * buffer_view,const VkBufferViewCreateInfo * pCreateInfo)32 vk_buffer_view_init(struct vk_device *device,
33 struct vk_buffer_view *buffer_view,
34 const VkBufferViewCreateInfo *pCreateInfo)
35 {
36 VK_FROM_HANDLE(vk_buffer, buffer, pCreateInfo->buffer);
37
38 vk_object_base_init(device, &buffer_view->base, VK_OBJECT_TYPE_BUFFER_VIEW);
39
40 assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO);
41 assert(pCreateInfo->flags == 0);
42 assert(pCreateInfo->range > 0);
43
44 buffer_view->buffer = buffer;
45 buffer_view->format = pCreateInfo->format;
46 buffer_view->offset = pCreateInfo->offset;
47 buffer_view->range = vk_buffer_range(buffer, pCreateInfo->offset,
48 pCreateInfo->range);
49 buffer_view->elements = buffer_view->range /
50 vk_format_get_blocksize(buffer_view->format);
51 }
52
53 void *
vk_buffer_view_create(struct vk_device * device,const VkBufferViewCreateInfo * pCreateInfo,const VkAllocationCallbacks * alloc,size_t size)54 vk_buffer_view_create(struct vk_device *device,
55 const VkBufferViewCreateInfo *pCreateInfo,
56 const VkAllocationCallbacks *alloc,
57 size_t size)
58 {
59 struct vk_buffer_view *buffer_view;
60
61 buffer_view = vk_zalloc2(&device->alloc, alloc, size, 8,
62 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
63 if (!buffer_view)
64 return NULL;
65
66 vk_buffer_view_init(device, buffer_view, pCreateInfo);
67
68 return buffer_view;
69 }
70
71 void
vk_buffer_view_finish(struct vk_buffer_view * buffer_view)72 vk_buffer_view_finish(struct vk_buffer_view *buffer_view)
73 {
74 vk_object_base_finish(&buffer_view->base);
75 }
76
77 void
vk_buffer_view_destroy(struct vk_device * device,const VkAllocationCallbacks * alloc,struct vk_buffer_view * buffer_view)78 vk_buffer_view_destroy(struct vk_device *device,
79 const VkAllocationCallbacks *alloc,
80 struct vk_buffer_view *buffer_view)
81 {
82 vk_object_free(device, alloc, buffer_view);
83 }
84