+_X_HIDDEN struct glx_drawable *
+GetGLXDrawable(Display *dpy, GLXDrawable drawable)
+{
+ struct glx_display *priv = __glXInitialize(dpy);
+ struct glx_drawable *glxDraw;
+
+ if (priv == NULL)
+ return NULL;
+
+ if (__glxHashLookup(priv->glXDrawHash, drawable, (void *) &glxDraw) == 0)
+ return glxDraw;
+
+ return NULL;
+}
+
+_X_HIDDEN int
+InitGLXDrawable(Display *dpy, struct glx_drawable *glxDraw, XID xDrawable,
+ GLXDrawable drawable)
+{
+ struct glx_display *priv = __glXInitialize(dpy);
+
+ if (!priv)
+ return -1;
+
+ glxDraw->xDrawable = xDrawable;
+ glxDraw->drawable = drawable;
+ glxDraw->lastEventSbc = 0;
+ glxDraw->eventSbcWrap = 0;
+
+ return __glxHashInsert(priv->glXDrawHash, drawable, glxDraw);
+}
+
+_X_HIDDEN void
+DestroyGLXDrawable(Display *dpy, GLXDrawable drawable)
+{
+ struct glx_display *priv = __glXInitialize(dpy);
+ struct glx_drawable *glxDraw;
+
+ if (!priv)
+ return;
+
+ glxDraw = GetGLXDrawable(dpy, drawable);
+ __glxHashDelete(priv->glXDrawHash, drawable);
+ free(glxDraw);
+}