123 lines
4.2 KiB
C
123 lines
4.2 KiB
C
/*
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* Copyright © 2015 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <assert.h>
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#include <stdbool.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include "anv_private.h"
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VkResult anv_CreateDmaBufImageINTEL(
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VkDevice _device,
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const VkDmaBufImageCreateInfo* pCreateInfo,
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const VkAllocationCallbacks* pAllocator,
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VkDeviceMemory* pMem,
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VkImage* pImage)
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{
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ANV_FROM_HANDLE(anv_device, device, _device);
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struct anv_device_memory *mem;
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struct anv_image *image;
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VkResult result;
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VkImage image_h;
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assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_DMA_BUF_IMAGE_CREATE_INFO_INTEL);
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mem = vk_alloc2(&device->alloc, pAllocator, sizeof(*mem), 8,
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VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
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if (mem == NULL)
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return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
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result = anv_image_create(_device,
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&(struct anv_image_create_info) {
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.isl_tiling_flags = ISL_TILING_X_BIT,
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.stride = pCreateInfo->strideInBytes,
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.vk_info =
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&(VkImageCreateInfo) {
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.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
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.imageType = VK_IMAGE_TYPE_2D,
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.format = pCreateInfo->format,
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.extent = pCreateInfo->extent,
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.mipLevels = 1,
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.arrayLayers = 1,
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.samples = 1,
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/* FIXME: Need a way to use X tiling to allow scanout */
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.tiling = VK_IMAGE_TILING_OPTIMAL,
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.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
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.flags = 0,
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}},
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pAllocator, &image_h);
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if (result != VK_SUCCESS)
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goto fail;
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image = anv_image_from_handle(image_h);
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uint64_t bo_flags = ANV_BO_EXTERNAL;
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if (device->instance->physicalDevice.supports_48bit_addresses)
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bo_flags |= EXEC_OBJECT_SUPPORTS_48B_ADDRESS;
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if (device->instance->physicalDevice.use_softpin)
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bo_flags |= EXEC_OBJECT_PINNED;
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result = anv_bo_cache_import(device, &device->bo_cache,
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pCreateInfo->fd, bo_flags, &mem->bo);
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if (result != VK_SUCCESS)
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goto fail_import;
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VkDeviceSize aligned_image_size = align_u64(image->size, 4096);
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if (mem->bo->size < aligned_image_size) {
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result = vk_errorf(device->instance, device,
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VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR,
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"dma-buf too small for image in "
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"vkCreateDmaBufImageINTEL: %"PRIu64"B < "PRIu64"B",
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mem->bo->size, aligned_image_size);
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anv_bo_cache_release(device, &device->bo_cache, mem->bo);
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goto fail_import;
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}
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image->planes[0].address = (struct anv_address) {
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.bo = mem->bo,
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.offset = 0,
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};
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assert(image->extent.width > 0);
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assert(image->extent.height > 0);
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assert(image->extent.depth == 1);
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*pMem = anv_device_memory_to_handle(mem);
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*pImage = anv_image_to_handle(image);
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close(pCreateInfo->fd);
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return VK_SUCCESS;
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fail_import:
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vk_free2(&device->alloc, pAllocator, image);
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fail:
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vk_free2(&device->alloc, pAllocator, mem);
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return result;
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}
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