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      1 /**************************************************************************
      2  *
      3  * Copyright 2009 VMware, Inc.
      4  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
      5  * All Rights Reserved.
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a
      8  * copy of this software and associated documentation files (the
      9  * "Software"), to deal in the Software without restriction, including
     10  * without limitation the rights to use, copy, modify, merge, publish,
     11  * distribute, sub license, and/or sell copies of the Software, and to
     12  * permit persons to whom the Software is furnished to do so, subject to
     13  * the following conditions:
     14  *
     15  * The above copyright notice and this permission notice (including the
     16  * next paragraph) shall be included in all copies or substantial portions
     17  * of the Software.
     18  *
     19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     22  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
     23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     26  *
     27  **************************************************************************/
     28 
     29 #include <windows.h>
     30 
     31 #define WGL_WGLEXT_PROTOTYPES
     32 
     33 #include <GL/gl.h>
     34 #include <GL/wglext.h>
     35 #include "util/u_debug.h"
     36 
     37 /* A dummy implementation of this extension.
     38  *
     39  * Required as some applications retrieve and call these functions
     40  * regardless of the fact that we don't advertise the extension and
     41  * further more the results of wglGetProcAddress are NULL.
     42  */
     43 WINGDIAPI BOOL APIENTRY
     44 wglSwapIntervalEXT(int interval)
     45 {
     46    (void) interval;
     47    debug_printf("%s: %d\n", __FUNCTION__, interval);
     48    return TRUE;
     49 }
     50 
     51 WINGDIAPI int APIENTRY
     52 wglGetSwapIntervalEXT(void)
     53 {
     54    return 0;
     55 }
     56 
     57 
     58