vk_resource_access_info.hh

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/* SPDX-FileCopyrightText: 2024 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "BLI_utility_mixins.hh"
 
#include "vk_common.hh"
#include "vk_render_graph_links.hh"
 
namespace blender::gpu::render_graph {
class VKResourceStateTracker;

struct VKImageAccess {
  VkImage vk_image;
  VkAccessFlags vk_access_flags;
  VkImageAspectFlags vk_image_aspect;
  /* Used for sub-resource tracking within a rendering scope.
   *
   * By default all layers of images are tracked as a single resource. Only inside a render scope
   * we can temporary change a subset of layers, when the image is used as an attachment and a
   * image load/store.
   */
  VKSubImageRange subimage;

  VkImageLayout to_vk_image_layout(bool supports_local_read) const;
};

struct VKBufferAccess {
  VkBuffer vk_buffer;
  VkAccessFlags vk_access_flags;
};

struct VKResourceAccessInfo : NonCopyable {
  Vector<VKBufferAccess> buffers;
  Vector<VKImageAccess> images;

  void build_links(VKResourceStateTracker &resources, VKRenderGraphNodeLinks &node_links) const;

  void reset();
};
 
}  // namespace blender::gpu::render_graph