shader_storage_buffer.hpp

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#ifndef GLK_SHADER_STORAGE_BUFFER_HPP
#define GLK_SHADER_STORAGE_BUFFER_HPP
 
#include <vector>
#include <iostream>
#include <GL/gl3w.h>
 
namespace glk {
 
class ShaderStorageBuffer {
public:
  ShaderStorageBuffer(size_t size, const void* data = nullptr, GLenum usage = GL_DYNAMIC_COPY);
  ~ShaderStorageBuffer();
 
  GLuint id() const;
  size_t size() const;
 
  void set_data(size_t buffer_size, const void* data);
  void get_data(size_t buffer_size, void* data) const;
 
  template <typename T>
  void clear_data(const T& data);
 
  void copy_to(ShaderStorageBuffer& dst, size_t size = 0) const;
 
  void bind(int index = 0);
  void unbind(int index = 0);
 
private:
  size_t buffer_size;
  GLuint ssbo;
};
 
}  // namespace glk
 
#endif