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    VkImage image_h;
  43
  44    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_DMA_BUF_IMAGE_CREATE_INFO_INTEL);
  45
  46    mem = anv_device_alloc(device, sizeof(*mem), 8,
  47                           VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
  48    if (mem == NULL)
  49       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
  50
  51    mem->bo.gem_handle = anv_gem_fd_to_handle(device, pCreateInfo->fd);
  52    if (!mem->bo.gem_handle) {
  53       result = vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
  54       goto fail;
  55    }
  56
  57    mem->bo.map = NULL;
  58    mem->bo.index = 0;
  59    mem->bo.offset = 0;
  60    mem->bo.size = pCreateInfo->strideInBytes * pCreateInfo->extent.height;
  61
  62    image = anv_device_alloc(device, sizeof(*image), 8,
  63                             VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
  64    if (image == NULL) {
  65       result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
  66       goto fail_mem;
  67    }
  68
  69    anv_image_create(_device,
  70       &(struct anv_image_create_info) {
  71          .force_tiling = true,
  72          .tiling = ISL_TILING_X,
  73          .stride = pCreateInfo->strideInBytes,
  74          .vk_info =
  75       &(VkImageCreateInfo) {
  76          .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
  77          .imageType = VK_IMAGE_TYPE_2D,
  78          .format = pCreateInfo->format,
  79          .extent = pCreateInfo->extent,
  80          .mipLevels = 1,
  81          .arraySize = 1,
  82          .samples = 1,
  83          /* FIXME: Need a way to use X tiling to allow scanout */
  84          .tiling = VK_IMAGE_TILING_OPTIMAL,
  85          .usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
  86          .flags = 0,
  87       }},
  88       &image_h);
  89
  90    image = anv_image_from_handle(image_h);
  91    image->bo = &mem->bo;
  92    image->offset = 0;
  93
  94    assert(image->extent.width > 0);
  95    assert(image->extent.height > 0);
  96    assert(image->extent.depth == 1);
  97
  98    *pMem = anv_device_memory_to_handle(mem);
  99    *pImage = anv_image_to_handle(image);
 100
 101    return VK_SUCCESS;
 102
 103  fail_mem:
 104    anv_gem_close(device, mem->bo.gem_handle);
 105  fail:
 106    anv_device_free(device, mem);
 107
 108    return result;
 109 }