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
wglSwapIntervalEXT(int interval)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
wglGetSwapIntervalEXT(void)52 wglGetSwapIntervalEXT(void)
53 {
54    return 0;
55 }
56 
57 
58