On Sat, Jan 7 2023 at 09:05:06 PM +0800, 406643764 <406643764 at qq.com> wrote: > So how to enable or disable hardware acceleration ? Hi, use webkit_settings_set_hardware_acceleration_policy(). You can also use WEBKIT_FORCE_COMPOSITING_MODE=1 or WEBKIT_DISABLE_COMPOSITING_MODE=1 for test purposes. Michael