X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fstate_trackers%2Fwgl%2Fstw_ext_extensionsstring.c;h=7cad49c9f840efc3f62e5b1911676012186c5857;hb=6811704830b6637d7c9b19914bd3549143eeb3e5;hp=62c859e1f92cc0601d707e66b0d6086686ec8788;hpb=4bced42341d13303ae023957d3001a640cf7ea2d;p=mesa.git

diff --git a/src/gallium/state_trackers/wgl/stw_ext_extensionsstring.c b/src/gallium/state_trackers/wgl/stw_ext_extensionsstring.c
index 62c859e1f92..7cad49c9f84 100644
--- a/src/gallium/state_trackers/wgl/stw_ext_extensionsstring.c
+++ b/src/gallium/state_trackers/wgl/stw_ext_extensionsstring.c
@@ -37,6 +37,7 @@
 static const char *stw_extension_string = 
    "WGL_ARB_extensions_string "
    "WGL_ARB_multisample "
+   "WGL_ARB_pbuffer "
    "WGL_ARB_pixel_format "
 /*   "WGL_EXT_swap_interval " */
    "WGL_EXT_extensions_string";
@@ -46,7 +47,9 @@ WINGDIAPI const char * APIENTRY
 wglGetExtensionsStringARB(
    HDC hdc )
 {
-   (void) hdc;
+   if (!hdc) {
+      return NULL;
+   }
 
    return stw_extension_string;
 }