diff options
| -rw-r--r-- | src/gallium/state_trackers/wgl/shared/stw_device.c | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/src/gallium/state_trackers/wgl/shared/stw_device.c b/src/gallium/state_trackers/wgl/shared/stw_device.c index 1b4a2d5cdbd..ce466241463 100644 --- a/src/gallium/state_trackers/wgl/shared/stw_device.c +++ b/src/gallium/state_trackers/wgl/shared/stw_device.c @@ -67,35 +67,36 @@ stw_flush_frontbuffer(struct pipe_screen *screen, struct stw_framebuffer *fb; fb = stw_framebuffer_from_hdc( hdc ); - assert(fb); - if (fb == NULL) - return; - - pipe_mutex_lock( fb->mutex ); + /* fb can be NULL if window was destroyed already */ + if (fb) { + pipe_mutex_lock( fb->mutex ); #if DEBUG - { - struct pipe_surface *surface2; - - if(!st_get_framebuffer_surface( fb->stfb, ST_SURFACE_FRONT_LEFT, &surface2 )) - assert(0); - else - assert(surface2 == surface); - } + { + struct pipe_surface *surface2; + + if(!st_get_framebuffer_surface( fb->stfb, ST_SURFACE_FRONT_LEFT, &surface2 )) + assert(0); + else + assert(surface2 == surface); + } #endif #ifdef DEBUG - if(stw_dev->trace_running) { - screen = trace_screen(screen)->screen; - surface = trace_surface(surface)->surface; - } + if(stw_dev->trace_running) { + screen = trace_screen(screen)->screen; + surface = trace_surface(surface)->surface; + } #endif + } stw_winsys->flush_frontbuffer(screen, surface, hdc); - stw_framebuffer_update(fb); - - pipe_mutex_unlock( fb->mutex ); + if(fb) { + stw_framebuffer_update(fb); + + pipe_mutex_unlock( fb->mutex ); + } } |