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
32VkResult 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