1 /*
2 * Copyright © 2021 Intel Corporation
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_framebuffer.h"
25
26 #include "vk_common_entrypoints.h"
27 #include "vk_device.h"
28
29 VKAPI_ATTR VkResult VKAPI_CALL
vk_common_CreateFramebuffer(VkDevice _device,const VkFramebufferCreateInfo * pCreateInfo,const VkAllocationCallbacks * pAllocator,VkFramebuffer * pFramebuffer)30 vk_common_CreateFramebuffer(VkDevice _device,
31 const VkFramebufferCreateInfo *pCreateInfo,
32 const VkAllocationCallbacks *pAllocator,
33 VkFramebuffer *pFramebuffer)
34 {
35 VK_FROM_HANDLE(vk_device, device, _device);
36 struct vk_framebuffer *framebuffer;
37
38 assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO);
39
40 size_t size = sizeof(*framebuffer);
41
42 /* VK_KHR_imageless_framebuffer extension says:
43 *
44 * If flags includes VK_FRAMEBUFFER_CREATE_IMAGELESS_BIT,
45 * parameter pAttachments is ignored.
46 */
47 if (!(pCreateInfo->flags & VK_FRAMEBUFFER_CREATE_IMAGELESS_BIT))
48 size += sizeof(VkImageView) * pCreateInfo->attachmentCount;
49
50 framebuffer = vk_object_alloc(device, pAllocator, size,
51 VK_OBJECT_TYPE_FRAMEBUFFER);
52 if (framebuffer == NULL)
53 return VK_ERROR_OUT_OF_HOST_MEMORY;
54
55 framebuffer->flags = pCreateInfo->flags;
56 framebuffer->width = pCreateInfo->width;
57 framebuffer->height = pCreateInfo->height;
58 framebuffer->layers = pCreateInfo->layers;
59
60 if (!(pCreateInfo->flags & VK_FRAMEBUFFER_CREATE_IMAGELESS_BIT)) {
61 for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++)
62 framebuffer->attachments[i] = pCreateInfo->pAttachments[i];
63 framebuffer->attachment_count = pCreateInfo->attachmentCount;
64 }
65
66 *pFramebuffer = vk_framebuffer_to_handle(framebuffer);
67
68 return VK_SUCCESS;
69 }
70
71 VKAPI_ATTR void VKAPI_CALL
vk_common_DestroyFramebuffer(VkDevice _device,VkFramebuffer _framebuffer,const VkAllocationCallbacks * pAllocator)72 vk_common_DestroyFramebuffer(VkDevice _device,
73 VkFramebuffer _framebuffer,
74 const VkAllocationCallbacks *pAllocator)
75 {
76 VK_FROM_HANDLE(vk_device, device, _device);
77 VK_FROM_HANDLE(vk_framebuffer, framebuffer, _framebuffer);
78
79 if (!framebuffer)
80 return;
81
82 vk_object_free(device, pAllocator, framebuffer);
83 }
84