#ifndef __OPENGL_FUNCS__
#define __OPENGL_FUNCS__
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <GL/glut.h>
#include <GL/gl.h>
#include <GL/glx.h>
//#include "Png_Funcs.h"
#include "DEM.h"
#include "Structs.h"

extern struct image_attr *ia;
//extern pthread_mutex_t mutex1;
extern int Image_Locked;

GLuint LoadTexture(void);
void FreeTexture(GLuint texture);
void BindTexture(GLuint texture);
void display(void);
void reshape(int w, int h);
void *Run_GL(void *bla);

#endif