IABSD.fr/xenocara/lib/libGLw/GLwDAUtil.c

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• Author : matthieu
  Date : 2007-07-28 13:50:48
  Hash : 99503146
  Message : Bring in GLw from XF4, to replace the Mesa version. This version has Motif support enabled using a couple of hacks that Mesa didn't pick up. ok mbalmer@

• lib/libGLw/GLwDAUtil.c

• /*
  ** License Applicability. Except to the extent portions of this file are
  ** made subject to an alternative license as permitted in the SGI Free
  ** Software License B, Version 1.1 (the "License"), the contents of this
  ** file are subject only to the provisions of the License. You may not use
  ** this file except in compliance with the License. You may obtain a copy
  ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
  ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
  ** 
  ** http://oss.sgi.com/projects/FreeB
  ** 
  ** Note that, as provided in the License, the Software is distributed on an
  ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
  ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
  ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
  ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
  ** 
  ** Original Code. The Original Code is: OpenGL Sample Implementation,
  ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
  ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
  ** Copyright in any portions created by third parties is as indicated
  ** elsewhere herein. All Rights Reserved.
  ** 
  ** Additional Notice Provisions: The application programming interfaces
  ** established by SGI in conjunction with the Original Code are The
  ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
  ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
  ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
  ** Window System(R) (Version 1.3), released October 19, 1998. This software
  ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
  ** published by SGI, but has not been independently verified as being
  ** compliant with the OpenGL(R) version 1.2.1 Specification.
  **
  */
  /* utility routines for GLX.
   * Since these routines are used both in the Motif and X versions of
   * the widget, they cannot peek directly into the structure
   *
   */
  
  /* $XFree86: xc/extras/ogl-sample/main/gfx/lib/glw/GLwDAUtil.c,v 1.3tsi Exp $ */
  
  #include <X11/IntrinsicP.h>
  #include <X11/StringDefs.h>
  #include <GL/glx.h>
  #include <GL/gl.h>
  
  /*
   * By default only a static library is created because most of the UNIX
   * loaders, if not all, complain about unresolved symbols even if the
   * application doesn't use the modules in which such symbols are referenced.
   * However, if your system supports libraries with weak symbols (e.g.
   * Solaris, FreeBSD and Linux) it is possible to fool the loader using these
   * weak symbols.
   */
  #ifdef USE_XM_STUBS
  #ifdef __OpenBSD__
  #include <sys/cdefs.h>
  __weak_alias(_XmPrimitiveHighlightPixmapDefault, _Xm_Stub_Pointer_);
  __weak_alias(_XmHighlightColorDefault, _Xm_Stub_Pointer_);
  __weak_alias(_XmForegroundColorDefault, _Xm_Stub_Pointer_);
  __weak_alias(_XmBackgroundColorDefault, _Xm_Stub_Pointer_);
  __weak_alias(_XmStrings, _Xm_Stub_Pointer_);
  __weak_alias(xmPrimitiveClassRec, _Xm_Stub_Pointer_);
  #else
  #pragma weak _XmPrimitiveHighlightPixmapDefault	= _Xm_Stub_Pointer_
  #pragma weak _XmHighlightColorDefault		= _Xm_Stub_Pointer_
  #pragma weak _XmForegroundColorDefault		= _Xm_Stub_Pointer_
  #pragma weak _XmBackgroundColorDefault		= _Xm_Stub_Pointer_
  #pragma weak _XmStrings				= _Xm_Stub_Pointer_
  #pragma weak xmPrimitiveClassRec		= _Xm_Stub_Pointer_
  #endif
  XtPointer _Xm_Stub_Pointer_ = NULL;
  #endif
  
  void GLwDrawingAreaMakeCurrent (Widget w, GLXContext ctx)
  {
      glXMakeCurrent (XtDisplay(w), XtWindow(w), ctx);
  }
  
  void GLwDrawingAreaSwapBuffers (Widget w)
  {
      glXSwapBuffers (XtDisplay(w), XtWindow(w));
  }