mesa/src/intel/vulkan/anv_intel.c

140 lines
4.6 KiB
C

/*
* 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 "drm-uapi/drm_fourcc.h"
#include "anv_private.h"
#include "vk_util.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->vk.alloc, pAllocator, sizeof(*mem), 8,
VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
if (mem == NULL)
return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
VkImageCreateInfo create_info = {
.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.imageType = VK_IMAGE_TYPE_2D,
.format = pCreateInfo->format,
.extent = pCreateInfo->extent,
.mipLevels = 1,
.arrayLayers = 1,
.samples = 1,
.tiling = VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT,
.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
.flags = 0,
};
VkImageDrmFormatModifierListCreateInfoEXT mod_info = {
.sType = VK_STRUCTURE_TYPE_IMAGE_DRM_FORMAT_MODIFIER_LIST_CREATE_INFO_EXT,
.drmFormatModifierCount = 1,
.pDrmFormatModifiers = (uint64_t[]) { I915_FORMAT_MOD_X_TILED },
};
__vk_append_struct(&create_info, &mod_info);
result = anv_image_create(_device,
&(struct anv_image_create_info) {
.stride = pCreateInfo->strideInBytes,
.vk_info = &create_info,
}, pAllocator, &image_h);
if (result != VK_SUCCESS)
goto fail;
image = anv_image_from_handle(image_h);
result = anv_device_import_bo(device, pCreateInfo->fd,
ANV_BO_ALLOC_IMPLICIT_SYNC,
0 /* address */,
&mem->bo);
if (result != VK_SUCCESS)
goto fail_import;
VkImageMemoryRequirementsInfo2 mem_reqs_info = {
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_REQUIREMENTS_INFO_2,
.image = image_h,
};
VkMemoryRequirements2 mem_reqs = {
.sType = VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2,
};
anv_GetImageMemoryRequirements2(_device, &mem_reqs_info, &mem_reqs);
VkDeviceSize aligned_image_size =
align_u64(mem_reqs.memoryRequirements.size,
mem_reqs.memoryRequirements.alignment);
if (mem->bo->size < aligned_image_size) {
result = vk_errorf(device, NULL, VK_ERROR_INVALID_EXTERNAL_HANDLE,
"dma-buf too small for image in "
"vkCreateDmaBufImageINTEL: %"PRIu64"B < %"PRIu64"B",
mem->bo->size, aligned_image_size);
anv_device_release_bo(device, mem->bo);
goto fail_import;
}
image->bindings[ANV_IMAGE_MEMORY_BINDING_MAIN].address = (struct anv_address) {
.bo = mem->bo,
.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);
close(pCreateInfo->fd);
return VK_SUCCESS;
fail_import:
vk_free2(&device->vk.alloc, pAllocator, image);
fail:
vk_free2(&device->vk.alloc, pAllocator, mem);
return result;
}