vk_streaming_buffer.hh

Go to the documentation of this file.

/* SPDX-FileCopyrightText: 2022 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "render_graph/vk_render_graph.hh"
#include "vk_common.hh"
#include "vk_staging_buffer.hh"
 
namespace blender::gpu {
class VKBuffer;
class VKContext;

class VKStreamingBuffer {
  std::optional<std::unique_ptr<VKBuffer>> host_buffer_;
  VkDeviceSize min_offset_alignment_;
  VkBuffer vk_buffer_dst_;
  VkDeviceSize vk_buffer_size_;
  VkDeviceSize offset_ = 0;
  render_graph::NodeHandle copy_buffer_handle_ = 0;
 
 public:
  VKStreamingBuffer(VKBuffer &buffer, VkDeviceSize min_offset_alligment);
  ~VKStreamingBuffer();

  VkDeviceSize update(VKContext &context, const void *data, size_t data_size);
 
  VkBuffer vk_buffer_dst()
  {
    return vk_buffer_dst_;
  }
};
}  // namespace blender::gpu