fire the paint callbacks after releasing the gl context

git-svn-id: https://xpra.org/svn/Xpra/trunk@24365 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/client/gl/gl_window_backing_base.py

@@ -1040,10 +1040,10 @@ def do_paint_rgb(self, rgb_format, img_data, x, y, width, height, rowstride, opt
                 glBindTexture(target, 0)
                 glDisable(target)
                 self.paint_box(options.strget("encoding"), options.intget("delta", -1)>=0, x, y, width, height)
-                fire_paint_callbacks(callbacks)
                 # Present update to screen
                 self.present_fbo(x, y, width, height, options.intget("flush", 0))
                 # present_fbo has reset state already
+            fire_paint_callbacks(callbacks)
             return
         except GLError as e:
             message = "OpenGL %s paint failed: %r" % (rgb_format, e)