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a8e59b3708
When a BO is flagged as having a client visible address, we put it in its own heap. We also support the client explicitly specifying an address in said heap. If an address collision happens, we return false from anv_vma_alloc which turns into a VK_ERROR_OUT_OF_DEVICE_MEMORY. Reviewed-by: Ivan Briano <ivan.briano@intel.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
117 lines
4 KiB
C
117 lines
4 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 = &(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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result = anv_device_import_bo(device, pCreateInfo->fd,
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ANV_BO_ALLOC_IMPLICIT_SYNC,
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0 /* address */,
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&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,
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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_device_release_bo(device, 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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