mirror of
https://github.com/nigels-com/glew.git
synced 2024-11-26 07:41:58 +00:00
3f63c6224c
git-svn-id: https://glew.svn.sourceforge.net/svnroot/glew/trunk/glew@521 783a27ee-832a-0410-bc00-9f386506c6dd
102 lines
4.0 KiB
C
102 lines
4.0 KiB
C
/*
|
|
** The OpenGL Extension Wrangler Library
|
|
** Copyright (C) 2002-2008, Milan Ikits <milan ikits[]ieee org>
|
|
** Copyright (C) 2002-2008, Marcelo E. Magallon <mmagallo[]debian org>
|
|
** Copyright (C) 2002, Lev Povalahev
|
|
** All rights reserved.
|
|
**
|
|
** Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions are met:
|
|
**
|
|
** * Redistributions of source code must retain the above copyright notice,
|
|
** this list of conditions and the following disclaimer.
|
|
** * Redistributions in binary form must reproduce the above copyright notice,
|
|
** this list of conditions and the following disclaimer in the documentation
|
|
** and/or other materials provided with the distribution.
|
|
** * The name of the author may be used to endorse or promote products
|
|
** derived from this software without specific prior written permission.
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
|
** THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __glew_utils_h__
|
|
#define __glew_utils_h__
|
|
|
|
#include <GL/glew.h>
|
|
#if defined(_WIN32)
|
|
# include <GL/wglew.h>
|
|
#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
|
|
# include <GL/glxew.h>
|
|
#endif
|
|
|
|
/*
|
|
* Define glewGetContext and related helper macros.
|
|
*/
|
|
#ifdef GLEW_MX
|
|
# define glewGetContext() ctx
|
|
# ifdef _WIN32
|
|
# define GLEW_CONTEXT_ARG_DEF_INIT GLEWContext* ctx
|
|
# define GLEW_CONTEXT_ARG_VAR_INIT ctx
|
|
# define wglewGetContext() ctx
|
|
# define WGLEW_CONTEXT_ARG_DEF_INIT WGLEWContext* ctx
|
|
# define WGLEW_CONTEXT_ARG_DEF_LIST WGLEWContext* ctx
|
|
# else /* _WIN32 */
|
|
# define GLEW_CONTEXT_ARG_DEF_INIT void
|
|
# define GLEW_CONTEXT_ARG_VAR_INIT
|
|
# define glxewGetContext() ctx
|
|
# define GLXEW_CONTEXT_ARG_DEF_INIT void
|
|
# define GLXEW_CONTEXT_ARG_DEF_LIST GLXEWContext* ctx
|
|
# endif /* _WIN32 */
|
|
# define GLEW_CONTEXT_ARG_DEF_LIST GLEWContext* ctx
|
|
#else /* GLEW_MX */
|
|
# define GLEW_CONTEXT_ARG_DEF_INIT void
|
|
# define GLEW_CONTEXT_ARG_VAR_INIT
|
|
# define GLEW_CONTEXT_ARG_DEF_LIST void
|
|
# define WGLEW_CONTEXT_ARG_DEF_INIT void
|
|
# define WGLEW_CONTEXT_ARG_DEF_LIST void
|
|
# define GLXEW_CONTEXT_ARG_DEF_INIT void
|
|
# define GLXEW_CONTEXT_ARG_DEF_LIST void
|
|
#endif /* GLEW_MX */
|
|
|
|
/*
|
|
* Define glewGetProcAddress.
|
|
*/
|
|
#if defined(_WIN32)
|
|
# define glewGetProcAddress(name) wglGetProcAddress((LPCSTR)name)
|
|
#else
|
|
# if defined(__APPLE__)
|
|
extern void* NSGLGetProcAddress (const GLubyte* name);
|
|
# define glewGetProcAddress(name) NSGLGetProcAddress(name)
|
|
# else
|
|
# if defined(__sgi) || defined(__sun)
|
|
extern void* dlGetProcAddress (const GLubyte* name);
|
|
# define glewGetProcAddress(name) dlGetProcAddress(name)
|
|
# else /* __linux */
|
|
# define glewGetProcAddress(name) (*glXGetProcAddressARB)(name)
|
|
# endif
|
|
# endif
|
|
#endif
|
|
|
|
/*
|
|
* GLEW, just like OpenGL or GLU, does not rely on the standard C library.
|
|
* These functions implement the string processing functionality required in the library.
|
|
*/
|
|
extern GLuint _glewStrLen (const GLubyte* s);
|
|
extern GLuint _glewStrCLen (const GLubyte* s, GLubyte c);
|
|
extern GLboolean _glewStrSame (const GLubyte* a, const GLubyte* b, GLuint n);
|
|
extern GLboolean _glewStrSame1 (GLubyte** a, GLuint* na, const GLubyte* b, GLuint nb);
|
|
extern GLboolean _glewStrSame2 (GLubyte** a, GLuint* na, const GLubyte* b, GLuint nb);
|
|
extern GLboolean _glewStrSame3 (GLubyte** a, GLuint* na, const GLubyte* b, GLuint nb)
|
|
|
|
#endif /* __glew_utils_h__ */
|