al_VAO.hpp

#ifndef INCLUDE_AL_VAO_HPP
#define INCLUDE_AL_VAO_HPP
 
/*  Keehong Youn, 2017, younkeehong@gmail.com
 */
 
#include "al/graphics/al_BufferObject.hpp"
#include "al/graphics/al_OpenGL.hpp"
 
#include <cstddef>
 
namespace al {
class VAO : public GPUObject {
 public:
  enum DataType : unsigned int /* GLenum */ {
    BYTE = GL_BYTE,             
    UBYTE = GL_UNSIGNED_BYTE,   
    SHORT = GL_SHORT,           
    USHORT = GL_UNSIGNED_SHORT, 
    INT = GL_INT,               
    UINT = GL_UNSIGNED_INT,     
    FLOAT = GL_FLOAT,           
    DOUBLE = GL_DOUBLE          
  };
 
  VAO();
  virtual ~VAO();
 
  virtual void onCreate() override;
  virtual void onDestroy() override;
 
  void bind();
  void unbind();
 
  void enableAttrib(unsigned int index);
  void disableAttrib(unsigned int index);
  void attribPointer(unsigned int index, BufferObject& buffer,
                     int size,  // components
                     unsigned int type = GL_FLOAT,
                     unsigned char normalized = GL_FALSE, int stride = 0,
                     void const* offset = NULL  // offset of the first component
  );
};
 
}  // namespace al
 
#endif