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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2008 VMware, Inc.
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21.  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28. #include <windows.h>
  29.  
  30. #define WGL_WGLEXT_PROTOTYPES
  31.  
  32. #include <GL/gl.h>
  33. #include <GL/wglext.h>
  34.  
  35. #include "glapi/glapi.h"
  36. #include "stw_device.h"
  37. #include "stw_icd.h"
  38.  
  39. struct stw_extension_entry
  40. {
  41.    const char *name;
  42.    PROC proc;
  43. };
  44.  
  45. #define STW_EXTENSION_ENTRY(P) { #P, (PROC) P }
  46.  
  47. static const struct stw_extension_entry stw_extension_entries[] = {
  48.  
  49.    /* WGL_ARB_extensions_string */
  50.    STW_EXTENSION_ENTRY( wglGetExtensionsStringARB ),
  51.  
  52.    /* WGL_ARB_pbuffer */
  53.    STW_EXTENSION_ENTRY( wglCreatePbufferARB ),
  54.    STW_EXTENSION_ENTRY( wglGetPbufferDCARB ),
  55.    STW_EXTENSION_ENTRY( wglReleasePbufferDCARB ),
  56.    STW_EXTENSION_ENTRY( wglDestroyPbufferARB ),
  57.    STW_EXTENSION_ENTRY( wglQueryPbufferARB ),
  58.  
  59.    /* WGL_ARB_pixel_format */
  60.    STW_EXTENSION_ENTRY( wglChoosePixelFormatARB ),
  61.    STW_EXTENSION_ENTRY( wglGetPixelFormatAttribfvARB ),
  62.    STW_EXTENSION_ENTRY( wglGetPixelFormatAttribivARB ),
  63.  
  64.    /* WGL_EXT_extensions_string */
  65.    STW_EXTENSION_ENTRY( wglGetExtensionsStringEXT ),
  66.  
  67.    /* WGL_EXT_swap_interval */
  68.    STW_EXTENSION_ENTRY( wglGetSwapIntervalEXT ),
  69.    STW_EXTENSION_ENTRY( wglSwapIntervalEXT ),
  70.  
  71.    /* WGL_ARB_create_context */
  72.    STW_EXTENSION_ENTRY( wglCreateContextAttribsARB ),
  73.  
  74.    { NULL, NULL }
  75. };
  76.  
  77. PROC APIENTRY
  78. DrvGetProcAddress(
  79.    LPCSTR lpszProc )
  80. {
  81.    const struct stw_extension_entry *entry;
  82.  
  83.    if (!stw_dev)
  84.       return NULL;
  85.  
  86.    if (lpszProc[0] == 'w' && lpszProc[1] == 'g' && lpszProc[2] == 'l')
  87.       for (entry = stw_extension_entries; entry->name; entry++)
  88.          if (strcmp( lpszProc, entry->name ) == 0)
  89.             return entry->proc;
  90.  
  91.    if (lpszProc[0] == 'g' && lpszProc[1] == 'l')
  92.       return (PROC) _glapi_get_proc_address( lpszProc );
  93.  
  94.    return NULL;
  95. }
  96.