1 /*
2 * Copyright © 2015 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 <assert.h>
25 #include <stdbool.h>
26 #include <string.h>
27 #include <unistd.h>
28 #include <fcntl.h>
29
30 #include "anv_private.h"
31
anv_CreateDmaBufImageINTEL(VkDevice _device,const VkDmaBufImageCreateInfo * pCreateInfo,const VkAllocationCallbacks * pAllocator,VkDeviceMemory * pMem,VkImage * pImage)32 VkResult anv_CreateDmaBufImageINTEL(
33 VkDevice _device,
34 const VkDmaBufImageCreateInfo* pCreateInfo,
35 const VkAllocationCallbacks* pAllocator,
36 VkDeviceMemory* pMem,
37 VkImage* pImage)
38 {
39 ANV_FROM_HANDLE(anv_device, device, _device);
40 struct anv_device_memory *mem;
41 struct anv_image *image;
42 VkResult result;
43 VkImage image_h;
44
45 assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_DMA_BUF_IMAGE_CREATE_INFO_INTEL);
46
47 mem = vk_alloc2(&device->vk.alloc, pAllocator, sizeof(*mem), 8,
48 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
49 if (mem == NULL)
50 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
51
52 result = anv_image_create(_device,
53 &(struct anv_image_create_info) {
54 .isl_tiling_flags = ISL_TILING_X_BIT,
55 .stride = pCreateInfo->strideInBytes,
56 .vk_info = &(VkImageCreateInfo) {
57 .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
58 .imageType = VK_IMAGE_TYPE_2D,
59 .format = pCreateInfo->format,
60 .extent = pCreateInfo->extent,
61 .mipLevels = 1,
62 .arrayLayers = 1,
63 .samples = 1,
64 /* FIXME: Need a way to use X tiling to allow scanout */
65 .tiling = VK_IMAGE_TILING_OPTIMAL,
66 .usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
67 .flags = 0,
68 }
69 }, pAllocator, &image_h);
70 if (result != VK_SUCCESS)
71 goto fail;
72
73 image = anv_image_from_handle(image_h);
74
75 result = anv_device_import_bo(device, pCreateInfo->fd,
76 ANV_BO_ALLOC_IMPLICIT_SYNC,
77 0 /* address */,
78 &mem->bo);
79 if (result != VK_SUCCESS)
80 goto fail_import;
81
82 VkDeviceSize aligned_image_size = align_u64(image->size, 4096);
83
84 if (mem->bo->size < aligned_image_size) {
85 result = vk_errorf(device, device, VK_ERROR_INVALID_EXTERNAL_HANDLE,
86 "dma-buf too small for image in "
87 "vkCreateDmaBufImageINTEL: %"PRIu64"B < %"PRIu64"B",
88 mem->bo->size, aligned_image_size);
89 anv_device_release_bo(device, mem->bo);
90 goto fail_import;
91 }
92
93 image->planes[0].address = (struct anv_address) {
94 .bo = mem->bo,
95 .offset = 0,
96 };
97
98 assert(image->extent.width > 0);
99 assert(image->extent.height > 0);
100 assert(image->extent.depth == 1);
101
102 *pMem = anv_device_memory_to_handle(mem);
103 *pImage = anv_image_to_handle(image);
104
105 close(pCreateInfo->fd);
106
107 return VK_SUCCESS;
108
109 fail_import:
110 vk_free2(&device->vk.alloc, pAllocator, image);
111
112 fail:
113 vk_free2(&device->vk.alloc, pAllocator, mem);
114
115 return result;
116 }
117