Hi all, I do not know whether I should ask these questions in here, and if not please kindly tell me the right place.
1) I find that all of the backends such as glx,win32,osx... have the backend_class->redraw methods such as "backend_class->redraw = clutter_backend_glx_redraw;" in their class_init function except x11. I do not know why, and does this make the clutter_backend_gxl_redraw will be executed? 2) When I run the mutter window manager with "mutter --replace &" , I saw the clutter_backend_glx_redraw will be executed all the time and some functions like " clutter_x11_trap_x_errors clutter_x11_untrap_x_errors clutter_x11_get_default_display" will be executed, I do not know what's will cause it entering such as clutter_x11_trap_x_errors. Could any one explain something to me? Hope for your information and thanks in advance. -- Best Regards,
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