-static Bool windowExistsFlag;
-static int
-windowExistsErrorHandler(Display * dpy, XErrorEvent * xerr)
-{
- (void) dpy;
-
- if (xerr->error_code == BadWindow) {
- windowExistsFlag = GL_FALSE;
- }
- return 0;
-}
-
-/**
- * Find drawables in the local hash that have been destroyed on the
- * server.
- *
- * \param dpy Display to destroy drawables for
- * \param screen Screen number to destroy drawables for
- */
-_X_HIDDEN void
-GarbageCollectDRIDrawables(struct glx_screen * sc)
-{
- XID draw;
- __GLXDRIdrawable *pdraw;
- struct glx_display *priv = sc->display;
- XWindowAttributes xwa;
- int (*oldXErrorHandler) (Display *, XErrorEvent *);
-
- /* Set no-op error handler so Xlib doesn't bail out if the windows
- * has alreay been destroyed on the server. */
- XSync(priv->dpy, GL_FALSE);
- oldXErrorHandler = XSetErrorHandler(windowExistsErrorHandler);
-
- if (__glxHashFirst(priv->drawHash, &draw, (void *) &pdraw) == 1) {
- do {
- windowExistsFlag = GL_TRUE;
- XGetWindowAttributes(priv->dpy, draw, &xwa); /* dummy request */
- if (!windowExistsFlag) {
- /* Destroy the local drawable data, if the drawable no
- longer exists in the Xserver */
- (*pdraw->destroyDrawable) (pdraw);
- __glxHashDelete(priv->drawHash, draw);
- }
- } while (__glxHashNext(priv->drawHash, &draw, (void *) &pdraw) == 1);
- }
-
- XSync(priv->dpy, GL_FALSE);
- XSetErrorHandler(oldXErrorHandler);
-}
-