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/*
* Copyright © 2015 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <assert.h>
#include <stdbool.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include "anv_private.h"
VkResult anv_CreateDmaBufImageINTEL(
VkDevice _device,
const VkDmaBufImageCreateInfo* pCreateInfo,
const VkAllocationCallbacks* pAllocator,
VkDeviceMemory* pMem,
VkImage* pImage)
{
ANV_FROM_HANDLE(anv_device, device, _device);
struct anv_device_memory *mem;
struct anv_image *image;
VkResult result;
VkImage image_h;
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_DMA_BUF_IMAGE_CREATE_INFO_INTEL);
mem = vk_alloc2(&device->alloc, pAllocator, sizeof(*mem), 8,
VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
if (mem == NULL)
return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
uint32_t gem_handle = anv_gem_fd_to_handle(device, pCreateInfo->fd);
if (!gem_handle) {
result = vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
goto fail;
}
uint64_t size = (uint64_t)pCreateInfo->strideInBytes * pCreateInfo->extent.height;
anv_bo_init(&mem->bo, gem_handle, size);
if (device->instance->physicalDevice.supports_48bit_addresses)
mem->bo.flags |= EXEC_OBJECT_SUPPORTS_48B_ADDRESS;
anv_image_create(_device,
&(struct anv_image_create_info) {
.isl_tiling_flags = ISL_TILING_X_BIT,
.stride = pCreateInfo->strideInBytes,
.vk_info =
&(VkImageCreateInfo) {
.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.imageType = VK_IMAGE_TYPE_2D,
.format = pCreateInfo->format,
.extent = pCreateInfo->extent,
.mipLevels = 1,
.arrayLayers = 1,
.samples = 1,
/* FIXME: Need a way to use X tiling to allow scanout */
.tiling = VK_IMAGE_TILING_OPTIMAL,
.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
.flags = 0,
}},
pAllocator, &image_h);
image = anv_image_from_handle(image_h);
image->bo = &mem->bo;
image->offset = 0;
assert(image->extent.width > 0);
assert(image->extent.height > 0);
assert(image->extent.depth == 1);
*pMem = anv_device_memory_to_handle(mem);
*pImage = anv_image_to_handle(image);
return VK_SUCCESS;
fail:
vk_free2(&device->alloc, pAllocator, mem);
return result;
}
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