1 files changed, 85 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/wgl/stw_getprocaddress.c b/src/gallium/state_trackers/wgl/stw_getprocaddress.c
new file mode 100644
index 0000000000..8875dc22f3
--- /dev/null
+++ b/src/gallium/state_trackers/wgl/stw_getprocaddress.c
@@ -0,0 +1,85 @@
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include <windows.h>
+
+#define WGL_WGLEXT_PROTOTYPES
+
+#include <GL/gl.h>
+#include <GL/wglext.h>
+
+#include "glapi/glapi.h"
+#include "stw_ext_gallium.h"
+
+struct stw_extension_entry
+{
+   const char *name;
+   PROC proc;
+};
+
+#define STW_EXTENSION_ENTRY(P) { #P, (PROC) P }
+
+static const struct stw_extension_entry stw_extension_entries[] = {
+
+   /* WGL_ARB_extensions_string */
+   STW_EXTENSION_ENTRY( wglGetExtensionsStringARB ),
+
+   /* WGL_ARB_pixel_format */
+   STW_EXTENSION_ENTRY( wglChoosePixelFormatARB ),
+   STW_EXTENSION_ENTRY( wglGetPixelFormatAttribfvARB ),
+   STW_EXTENSION_ENTRY( wglGetPixelFormatAttribivARB ),
+
+   /* WGL_EXT_extensions_string */
+   STW_EXTENSION_ENTRY( wglGetExtensionsStringEXT ),
+
+   /* WGL_EXT_swap_interval */
+   STW_EXTENSION_ENTRY( wglGetSwapIntervalEXT ),
+   STW_EXTENSION_ENTRY( wglSwapIntervalEXT ),
+
+   /* WGL_EXT_gallium ? */
+   STW_EXTENSION_ENTRY( wglGetGalliumScreenMESA ),
+   STW_EXTENSION_ENTRY( wglCreateGalliumContextMESA ),
+
+   { NULL, NULL }
+};
+
+PROC APIENTRY
+DrvGetProcAddress(
+   LPCSTR lpszProc )
+{
+   const struct stw_extension_entry *entry;
+
+   if (lpszProc[0] == 'w' && lpszProc[1] == 'g' && lpszProc[2] == 'l')
+      for (entry = stw_extension_entries; entry->name; entry++)
+         if (strcmp( lpszProc, entry->name ) == 0)
+            return entry->proc;
+
+   if (lpszProc[0] == 'g' && lpszProc[1] == 'l')
+      return (PROC) _glapi_get_proc_address( lpszProc );
+
+   return NULL;
+}