IABSD.fr/xenocara/lib/mesa/src/vulkan/runtime/vk_framebuffer.c

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• Author : jsg
  Date : 2023-01-28 08:09:28
  Hash : 5642995e
  Message : Import Mesa 22.3.4

• lib/mesa/src/vulkan/runtime/vk_framebuffer.c

• /*
   * Copyright © 2021 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 "vk_framebuffer.h"
  
  #include "vk_common_entrypoints.h"
  #include "vk_device.h"
  
  VKAPI_ATTR VkResult VKAPI_CALL
  vk_common_CreateFramebuffer(VkDevice _device,
                              const VkFramebufferCreateInfo *pCreateInfo,
                              const VkAllocationCallbacks *pAllocator,
                              VkFramebuffer *pFramebuffer)
  {
     VK_FROM_HANDLE(vk_device, device, _device);
     struct vk_framebuffer *framebuffer;
  
     assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO);
  
     size_t size = sizeof(*framebuffer);
  
     /* VK_KHR_imageless_framebuffer extension says:
      *
      *    If flags includes VK_FRAMEBUFFER_CREATE_IMAGELESS_BIT,
      *    parameter pAttachments is ignored.
      */
     if (!(pCreateInfo->flags & VK_FRAMEBUFFER_CREATE_IMAGELESS_BIT))
        size += sizeof(VkImageView) * pCreateInfo->attachmentCount;
  
     framebuffer = vk_object_alloc(device, pAllocator, size,
                                   VK_OBJECT_TYPE_FRAMEBUFFER);
     if (framebuffer == NULL)
        return VK_ERROR_OUT_OF_HOST_MEMORY;
  
     framebuffer->flags = pCreateInfo->flags;
     framebuffer->width = pCreateInfo->width;
     framebuffer->height = pCreateInfo->height;
     framebuffer->layers = pCreateInfo->layers;
  
     if (!(pCreateInfo->flags & VK_FRAMEBUFFER_CREATE_IMAGELESS_BIT)) {
        for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++)
           framebuffer->attachments[i] = pCreateInfo->pAttachments[i];
        framebuffer->attachment_count = pCreateInfo->attachmentCount;
     }
  
     *pFramebuffer = vk_framebuffer_to_handle(framebuffer);
  
     return VK_SUCCESS;
  }
  
  VKAPI_ATTR void VKAPI_CALL
  vk_common_DestroyFramebuffer(VkDevice _device,
                               VkFramebuffer _framebuffer,
                               const VkAllocationCallbacks *pAllocator)
  {
     VK_FROM_HANDLE(vk_device, device, _device);
     VK_FROM_HANDLE(vk_framebuffer, framebuffer, _framebuffer);
  
     if (!framebuffer)
        return;
  
     vk_object_free(device, pAllocator, framebuffer);
  }