diff options
| -rw-r--r-- | src/gallium/state_trackers/wgl/shared/stw_framebuffer.c | 8 |
1 files changed, 7 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 45ac3477e82..030a155f54a 100644 --- a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c +++ b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c @@ -102,15 +102,21 @@ stw_framebuffer_create_locked( HDC hdc, int iPixelFormat ) { + HWND hWnd; struct stw_framebuffer *fb; const struct stw_pixelformat_info *pfi; + /* We only support drawing to a window. */ + hWnd = WindowFromDC( hdc ); + if(!hWnd) + return NULL; + fb = CALLOC_STRUCT( stw_framebuffer ); if (fb == NULL) return NULL; fb->hDC = hdc; - fb->hWnd = WindowFromDC( hdc ); + fb->hWnd = hWnd; fb->iPixelFormat = iPixelFormat; fb->pfi = pfi = stw_pixelformat_get_info( iPixelFormat - 1 ); |