vk_fill_buffer_node.hh

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/* 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 VKFillBufferData {
  VkBuffer vk_buffer;
  VkDeviceSize size;
  uint32_t data;
};
 
class VKFillBufferNode : public VKNodeInfo<VKNodeType::FILL_BUFFER,
                                           VKFillBufferData,
                                           VKFillBufferData,
                                           VK_PIPELINE_STAGE_TRANSFER_BIT,
                                           VKResourceType::BUFFER> {
 public:
  template<typename Node, typename Storage>
  static void set_node_data(Node &node, Storage & /* storage */, const CreateInfo &create_info)
  {
    node.fill_buffer = create_info;
  }

  void build_links(VKResourceStateTracker &resources,
                   VKRenderGraphNodeLinks &node_links,
                   const CreateInfo &create_info) override
  {
    ResourceWithStamp resource = resources.get_buffer_and_increase_stamp(create_info.vk_buffer);
    node_links.outputs.append({resource, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_UNDEFINED});
  }

  void build_commands(VKCommandBufferInterface &command_buffer,
                      Data &data,
                      VKBoundPipelines & /*r_bound_pipelines*/) override
  {
    command_buffer.fill_buffer(data.vk_buffer, 0, data.size, data.data);
  }
};
}  // namespace blender::gpu::render_graph