#ifndef GL3_H
#define GL3_H

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <unistd.h>

#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <GL/glew.h>
#include <GL/gl.h>
#include <GL/glx.h>

typedef struct {
  Display *display;
  Window win;
  Colormap cmap;
  GLXContext ctx;
  Atom wm_protocols;
  Atom wm_delete_window;
} GLInfo;

bool initGL(int screen, int mask, GLInfo *glinfo);
void destroyGL(GLInfo *glinfo);
bool initShaders(const char *vertexShaderSrc, const char *fragmentShaderSrc, GLuint *program);

static Bool alwaysTruePredicate(Display *display, XEvent *event, XPointer arg)
{
  return true;
}

#endif