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#ifndef GFXGLTOOLS_INCLUDED // -*- C++ -*-
#define GFXGLTOOLS_INCLUDED
#if !defined(__GNUC__)
# pragma once
#endif
/************************************************************************
Handy functions for common OpenGL tasks
$Id: gltools.h 5690 2005-02-14 14:21:56Z rivol $
************************************************************************/
#include "gl.h"
#include "vec3.h"
extern GLuint opengl_pick_nil;
extern GLuint opengl_pick_zmax;
extern void begin_opengl_pick(int *ctr, double radius, GLuint *buf, int size);
extern GLuint complete_opengl_pick(GLuint *buffer);
extern void check_opengl_errors(const char *msg=NULL);
extern void camera_lookat(const Vec3& min, const Vec3& max, double aspect);
extern int unproject_pixel(int *pixel, double *world, double z=0.0);
// GFXGLTOOLS_INCLUDED
#endif
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