diff options
| -rw-r--r-- | src/gallium/state_trackers/wgl/shared/stw_framebuffer.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c index 7d0e8f46482..78a2dbc4d7c 100644 --- a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c +++ b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c @@ -300,8 +300,18 @@ struct stw_framebuffer * stw_framebuffer_from_hdc_locked( HDC hdc ) { + HWND hwnd; struct stw_framebuffer *fb; + /* + * Some applications create and use several HDCs for the same window, so + * looking up the framebuffer by the HDC is not reliable. Use HWND whenever + * possible. + */ + hwnd = WindowFromDC(hdc); + if(hwnd) + return stw_framebuffer_from_hwnd_locked(hwnd); + for (fb = stw_dev->fb_head; fb != NULL; fb = fb->next) if (fb->hDC == hdc) break; |