src/vulkan/anv_intel.c

   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
  32 VkResult anv_CreateDmaBufImageINTEL(
  33     VkDevice                                    _device,
  34     const VkDmaBufImageCreateInfo*              pCreateInfo,
  35     VkDeviceMemory*                             pMem,
  36     VkImage*                                    pImage)
  37 {
  38    ANV_FROM_HANDLE(anv_device, device, _device);
  39    struct anv_device_memory *mem;
  40    struct anv_image *image;
  41    VkResult result;
  42
  43    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_DMA_BUF_IMAGE_CREATE_INFO_INTEL);
  44
  45    mem = anv_device_alloc(device, sizeof(*mem), 8,
  46                           VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
  47    if (mem == NULL)
  48       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
  49
  50    mem->bo.gem_handle = anv_gem_fd_to_handle(device, pCreateInfo->fd);
  51    if (!mem->bo.gem_handle) {
  52       result = vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
  53       goto fail;
  54    }
  55
  56    mem->bo.map = NULL;
  57    mem->bo.index = 0;
  58    mem->bo.offset = 0;
  59    mem->bo.size = pCreateInfo->strideInBytes * pCreateInfo->extent.height;
  60
  61    image = anv_device_alloc(device, sizeof(*image), 8,
  62                             VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
  63    if (image == NULL) {
  64       result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
  65       goto fail_mem;
  66    }
  67
  68    *image = (struct anv_image) {
  69       .bo = &mem->bo,
  70       .offset = 0,
  71       .type = VK_IMAGE_TYPE_2D,
  72       .extent = pCreateInfo->extent,
  73       .size = mem->bo.size,
  74
  75       .primary_surface = {
  76          .offset = 0,
  77          .stride = pCreateInfo->strideInBytes,
  78          .tile_mode = XMAJOR,
  79       },
  80    };
  81
  82    assert(image->extent.width > 0);
  83    assert(image->extent.height > 0);
  84    assert(image->extent.depth == 1);
  85
  86    *pMem = anv_device_memory_to_handle(mem);
  87    *pImage = anv_image_to_handle(image);
  88
  89    return VK_SUCCESS;
  90
  91  fail_mem:
  92    anv_gem_close(device, mem->bo.gem_handle);
  93  fail:
  94    anv_device_free(device, mem);
  95
  96    return result;
  97 }