drisw: learn to query shmid handle type

[mesa.git] / src / gallium / winsys / sw / dri / dri_sw_winsys.c

diff --git a/src/gallium/winsys/sw/dri/dri_sw_winsys.c b/src/gallium/winsys/sw/dri/dri_sw_winsys.c
index b36a53e960cc99115724ef00374f8a9c80c7a459..8335e52200fc9d35d26d33e1dec1a2ffbfa9157d 100644 (file)
--- a/src/gallium/winsys/sw/dri/dri_sw_winsys.c
+++ b/src/gallium/winsys/sw/dri/dri_sw_winsys.c
@@ -209,7 +209,15 @@ dri_sw_displaytarget_get_handle(struct sw_winsys *winsys,
                                 struct sw_displaytarget *dt,
                                 struct winsys_handle *whandle)
 {
-   assert(0);
+   struct dri_sw_displaytarget *dri_sw_dt = dri_sw_displaytarget(dt);
+
+   if (whandle->type == WINSYS_HANDLE_TYPE_SHMID) {
+      if (dri_sw_dt->shmid < 0)
+         return FALSE;
+      whandle->handle = dri_sw_dt->shmid;
+      return TRUE;
+   }
+
    return FALSE;
 }