#ifndef BUFFER_H
#define BUFFER_H

#include "GL/gl.h"
#include "GL/glext.h"

template <class T>
class Buffer {

public:
    virtual void init() = 0;
    virtual T* getPointer() = 0;
    void releasePointer() = 0;
};

#endif


#ifndef PBO_H
#define PBO_H

#include "Buffer.h"

template <typename T>
class Pbo : public Buffer<T> {
public:
    virtual void init();
    virtual T* getPointer();
private:
    GLuint pbo;
};

#endif



#include "Pbo.h"

using namespace std;

template <typename T>
void Pbo<T>::init() {
    GLuint local[1];
    glGenBuffersARB(1, local);
    *pbo = local[0];
    cerr <<  "glGenBuffersARB: " << glGetError() << endl;
    glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, local[0]);
    cerr <<  glGetError() << endl;

    // // reserve memory
    glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB, bufferSize, NULL, GL_DYNAMIC_DRAW);
    cerr <<  glGetError() << endl;

    glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
}

template <typename T>
T* Pbo<T>::getPointer() {
    return NULL;
}





src/Pbo.cpp: In member function 'virtual void Pbo<T>::init()':
src/Pbo.cpp:8: error: there are no arguments to 'glGenBuffersARB' that depend on a template paramete
r, so a declaration of 'glGenBuffersARB' must be available
src/Pbo.cpp:8: note: (if you use '-fpermissive', G++ will accept your code, but allowing the use of
an undeclared name is deprecated)
src/Pbo.cpp:9: error: invalid type argument of 'unary *'
src/Pbo.cpp:10: error: 'cerr' was not declared in this scope
src/Pbo.cpp:10: error: 'endl' was not declared in this scope
src/Pbo.cpp:11: error: 'GL_PIXEL_UNPACK_BUFFER_ARB' was not declared in this scope
src/Pbo.cpp:11: error: there are no arguments to 'glBindBufferARB' that depend on a template paramet
er, so a declaration of 'glBindBufferARB' must be available
src/Pbo.cpp:15: error: 'bufferSize' was not declared in this scope
src/Pbo.cpp:15: error: 'NULL' was not declared in this scope
src/Pbo.cpp:15: error: 'GL_DYNAMIC_DRAW' was not declared in this scope
src/Pbo.cpp:15: error: there are no arguments to 'glBufferDataARB' that depend on a template paramet
er, so a declaration of 'glBufferDataARB' must be available
src/Pbo.cpp:18: error: there are no arguments to 'glBindBufferARB' that depend on a template paramet
er, so a declaration of 'glBindBufferARB' must be available
src/Pbo.cpp: In member function 'virtual T* Pbo<T>::getPointer()':
src/Pbo.cpp:23: error: 'NULL' was not declared in this scope