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