#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "GL/glew.h"
#ifdef _WIN32
#include "GL/wglew.h"
#endif
#include "global.h"
#include "histogram.h"
#include "TGA.h"
#include "metrics.h"
#include "saliency.h"
#include "simplify.h"
#include "buffers.h"

#define NO_GL_ERROR						0x00
#define	FRAMEBUFFER_ERROR			0x01
#define	VERTEX_BUFFER_ERROR		0x02
#define	OCCLUSION_QUERY_ERROR	0x04
#define	IMAGING_ERROR					0x08
#define	MULTITEXTURE_ERROR		0x10
#define	SWAP_CONTROL_ERROR		0x20