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 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
