diff options
-rw-r--r-- | src/gallium/state_trackers/glx/xlib/xm_api.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/gallium/state_trackers/glx/xlib/xm_api.c b/src/gallium/state_trackers/glx/xlib/xm_api.c index 82384a4d284..94c0ad496d4 100644 --- a/src/gallium/state_trackers/glx/xlib/xm_api.c +++ b/src/gallium/state_trackers/glx/xlib/xm_api.c @@ -666,11 +666,11 @@ XMesaVisual XMesaCreateVisual( Display *display, v->stvis.buffer_mask = ST_ATTACHMENT_FRONT_LEFT_MASK; if (db_flag) - v->stvis.buffer_mask = ST_ATTACHMENT_BACK_LEFT_MASK; + v->stvis.buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK; if (stereo_flag) { - v->stvis.buffer_mask = ST_ATTACHMENT_FRONT_RIGHT_MASK; + v->stvis.buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK; if (db_flag) - v->stvis.buffer_mask = ST_ATTACHMENT_BACK_RIGHT_MASK; + v->stvis.buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK; } v->stvis.color_format = choose_pixel_format(v); |