vk_staging_buffer.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "vk_buffer.hh"
#include "vk_common.hh"
 
namespace blender::gpu {
 
class VKStagingBuffer {
 public:
  enum class Direction {
    HostToDevice,
    DeviceToHost,
  };
 
 private:
  const VKBuffer &device_buffer_;
 
  VKBuffer host_buffer_;
 
 public:
  VKStagingBuffer(const VKBuffer &device_buffer, Direction direction);
 
  void copy_to_device(VKContext &context);
 
  void copy_from_device(VKContext &context);
 
  const VKBuffer &host_buffer_get() const
  {
    return host_buffer_;
  }
 
  void free();
};
}  // namespace blender::gpu