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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 
     36 
     37 static const char *stw_extension_string =
     38    "WGL_ARB_extensions_string "
     39    "WGL_ARB_multisample "
     40    "WGL_ARB_pbuffer "
     41    "WGL_ARB_pixel_format "
     42 /*   "WGL_EXT_swap_interval " */
     43    "WGL_EXT_extensions_string";
     44 
     45 
     46 WINGDIAPI const char * APIENTRY
     47 wglGetExtensionsStringARB(
     48    HDC hdc )
     49 {
     50    if (!hdc) {
     51       return NULL;
     52    }
     53 
     54    return stw_extension_string;
     55 }
     56 
     57 
     58 WINGDIAPI const char * APIENTRY
     59 wglGetExtensionsStringEXT( void )
     60 {
     61    return stw_extension_string;
     62 }
     63