vk_synchronization_node.hh

Go to the documentation of this file.

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

 
#pragma once
 
#include "vk_node_info.hh"
 
namespace blender::gpu::render_graph {

struct VKSynchronizationData {};

struct VKSynchronizationCreateInfo {
  VkImage vk_image;
  VkImageLayout vk_image_layout;
  VkImageAspectFlags vk_image_aspect;
};
 
class VKSynchronizationNode : public VKNodeInfo<VKNodeType::SYNCHRONIZATION,
                                                VKSynchronizationCreateInfo,
                                                VKSynchronizationData,
                                                VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
                                                VKResourceType::IMAGE | VKResourceType::BUFFER> {
 public:
  template<typename Node, typename Storage>
  static void set_node_data(Node &node, Storage & /* storage */, const CreateInfo &create_info)
  {
    UNUSED_VARS(create_info);
    node.synchronization = {};
  }

  void build_links(VKResourceStateTracker &resources,
                   VKRenderGraphNodeLinks &node_links,
                   const CreateInfo &create_info) override
  {
    ResourceWithStamp resource = resources.get_image_and_increase_stamp(create_info.vk_image);
    node_links.outputs.append(
        {resource, VK_ACCESS_NONE, create_info.vk_image_layout, create_info.vk_image_aspect});
  }

  void build_commands(VKCommandBufferInterface &command_buffer,
                      Data &data,
                      VKBoundPipelines & /*r_bound_pipelines*/) override
  {
    UNUSED_VARS(command_buffer, data);
    /* Intentionally left empty: A pipeline barrier has already been send to the command buffer.
     */
  }
};
}  // namespace blender::gpu::render_graph