Mesa (mesa_7_5_branch): stw: If stfb not set don't call into mesa

[Jakob Bornecrantz]

Module: Mesa
Branch: mesa_7_5_branch
Commit: 4d9d0e62306ce1a046ff724936016a4f080cf21a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=4d9d0e62306ce1a046ff724936016a4f080cf21a

Author: Jakob Bornecrantz <jakob at vmware.com>
Date:   Mon Jun  8 14:34:16 2009 +0200

stw: If stfb not set don't call into mesa

---

 .../state_trackers/wgl/shared/stw_framebuffer.c    |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
index de37d13..f27f4cd 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
@@ -118,7 +118,8 @@ stw_call_window_proc(
           * be called from any thread.
           */
          pipe_mutex_lock( fb->mutex );
-         st_resize_framebuffer( fb->stfb, width, height );
+         if (fb->stfb)
+            st_resize_framebuffer( fb->stfb, width, height );
          pipe_mutex_unlock( fb->mutex );
       }
    }