gl_buffer_map.hpp

// SPDX-License-Identifier: MIT
// Copyright (c) 2021  Kenji Koide (k.koide@aist.go.jp)
 
#pragma once
 
#include <cstdlib>
 
struct cudaGraphicsResource;
 
namespace gtsam_points {
 
class GLBufferMap {
public:
  enum BufferMode { NONE, READ_ONLY, WRITE_ONLY };
 
  GLBufferMap(size_t gl_id, BufferMode mode = NONE);
  ~GLBufferMap();
 
  size_t size() const { return buffer_size; }
  void* data() { return d_buffer; }
 
private:
  cudaGraphicsResource* gl_resource;
 
  size_t buffer_size;
  void* d_buffer;
};
 
}  // namespace gtsam_points