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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
* os dependent include locations of gl.h
*/
/** \file BIF_gl.h
* \ingroup editorui
*/
#ifndef __BIF_GL_H__
#define __BIF_GL_H__
#include "GL/glew.h"
#ifdef __APPLE__
/* hacking pointsize and linewidth */
# define glPointSize(f) glPointSize(U.pixelsize * (f))
# define glLineWidth(f) glLineWidth(U.pixelsize * (f))
#else
/* avoid include mismatch by referencing 'U' from both */
# define glPointSize(f) glPointSize(((void)U.pixelsize, (f)))
# define glLineWidth(f) glLineWidth(((void)U.pixelsize, (f)))
#endif
/*
* these should be phased out. cpack should be replaced in
* code with calls to glColor3ub. - zr
*/
/*
*
* This define converts a numerical value to the equivalent 24-bit
* color, while not being endian-sensitive. On little-endians, this
* is the same as doing a 'naive' indexing, on big-endian, it is not!
* */
void cpack(unsigned int x);
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
# define glMultMatrixf(x) \
glMultMatrixf(_Generic(x, \
float *: (float *)(x), \
float (*)[4]: (float *)(x), \
const float *: (float *)(x), \
const float (*)[4]: (float *)(x)) \
)
# define glLoadMatrixf(x) \
glLoadMatrixf(_Generic(x, \
float *: (float *)(x), \
float (*)[4]: (float *)(x)) \
)
#else
# define glMultMatrixf(x) glMultMatrixf((float *)(x))
# define glLoadMatrixf(x) glLoadMatrixf((float *)(x))
#endif
#define GLA_PIXEL_OFS 0.375f
#endif /* #ifdef __BIF_GL_H__ */
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