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->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 uint32_t gem_handle = anv_gem_fd_to_handle(device, pCreateInfo->fd);
53 if (!gem_handle) {
54 result = vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
55 goto fail;
56 }
57
58 uint64_t size = (uint64_t)pCreateInfo->strideInBytes * pCreateInfo->extent.height;
59
60 anv_bo_init(&mem->bo, gem_handle, size);
61
62 anv_image_create(_device,
63 &(struct anv_image_create_info) {
64 .isl_tiling_flags = ISL_TILING_X_BIT,
65 .stride = pCreateInfo->strideInBytes,
66 .vk_info =
67 &(VkImageCreateInfo) {
68 .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
69 .imageType = VK_IMAGE_TYPE_2D,
70 .format = pCreateInfo->format,
71 .extent = pCreateInfo->extent,
72 .mipLevels = 1,
73 .arrayLayers = 1,
74 .samples = 1,
75 /* FIXME: Need a way to use X tiling to allow scanout */
76 .tiling = VK_IMAGE_TILING_OPTIMAL,
77 .usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
78 .flags = 0,
79 }},
80 pAllocator, &image_h);
81
82 image = anv_image_from_handle(image_h);
83 image->bo = &mem->bo;
84 image->offset = 0;
85
86 assert(image->extent.width > 0);
87 assert(image->extent.height > 0);
88 assert(image->extent.depth == 1);
89
90 *pMem = anv_device_memory_to_handle(mem);
91 *pImage = anv_image_to_handle(image);
92
93 return VK_SUCCESS;
94
95 fail:
96 vk_free2(&device->alloc, pAllocator, mem);
97
98 return result;
99 }
100