stw_getprocaddress.c revision c4a43873c5f2e39def45eb9ca24f538adf3f9196 
1/**************************************************************************
2 *
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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 TUNGSTEN GRAPHICS 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_ext_gallium.h"
37#include "stw_device.h"
38#include "stw_icd.h"
39
40struct stw_extension_entry
41{
42   const char *name;
43   PROC proc;
44};
45
46#define STW_EXTENSION_ENTRY(P) { #P, (PROC) P }
47
48static const struct stw_extension_entry stw_extension_entries[] = {
49
50   /* WGL_ARB_extensions_string */
51   STW_EXTENSION_ENTRY( wglGetExtensionsStringARB ),
52
53   /* WGL_ARB_pbuffer */
54   STW_EXTENSION_ENTRY( wglCreatePbufferARB ),
55   STW_EXTENSION_ENTRY( wglGetPbufferDCARB ),
56   STW_EXTENSION_ENTRY( wglReleasePbufferDCARB ),
57   STW_EXTENSION_ENTRY( wglDestroyPbufferARB ),
58   STW_EXTENSION_ENTRY( wglQueryPbufferARB ),
59
60   /* WGL_ARB_pixel_format */
61   STW_EXTENSION_ENTRY( wglChoosePixelFormatARB ),
62   STW_EXTENSION_ENTRY( wglGetPixelFormatAttribfvARB ),
63   STW_EXTENSION_ENTRY( wglGetPixelFormatAttribivARB ),
64
65   /* WGL_EXT_extensions_string */
66   STW_EXTENSION_ENTRY( wglGetExtensionsStringEXT ),
67
68   /* WGL_EXT_swap_interval */
69   STW_EXTENSION_ENTRY( wglGetSwapIntervalEXT ),
70   STW_EXTENSION_ENTRY( wglSwapIntervalEXT ),
71
72   /* WGL_EXT_gallium ? */
73   STW_EXTENSION_ENTRY( wglGetGalliumScreenMESA ),
74   STW_EXTENSION_ENTRY( wglCreateGalliumContextMESA ),
75
76   { NULL, NULL }
77};
78
79PROC APIENTRY
80DrvGetProcAddress(
81   LPCSTR lpszProc )
82{
83   const struct stw_extension_entry *entry;
84
85   if (!stw_dev)
86      return NULL;
87
88   if (lpszProc[0] == 'w' && lpszProc[1] == 'g' && lpszProc[2] == 'l')
89      for (entry = stw_extension_entries; entry->name; entry++)
90         if (strcmp( lpszProc, entry->name ) == 0)
91            return entry->proc;
92
93   if (lpszProc[0] == 'g' && lpszProc[1] == 'l')
94      return (PROC) _glapi_get_proc_address( lpszProc );
95
96   return NULL;
97}
98