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Avoid clutter segfaulting when used without invoking clutter_init(). This is needed when using api documentation tools and every other tool relying on the GObject introspection API (esp. on a headless box). see the note in clutter/clutter-feature.c:clutter_feature_init for a full explanation. * clutter/clutter-feature.c: Call clutter_feature_init() when needed by one of the accessors of the features structure. * clutter/clutter-main.c: * clutter/clutter-private.h: Remove clutter_feature_init() public declaration: the features support check is done the first time a feature is needed. * clutter/clutter-main.c: Do not ever access the clutter main context pointer directly; instead, obtain a pointer to it via clutter_context_get_default(), which will always return something valid.
Clutter README. =============== Clutter aims to give a nice easy GObject based API for creating fast, mainly 2D single window stylalised applications such as media box UI's, presentaions, kiosk style apps etc. It uses OpenGL for rendering. Its not meant to be a full featured GUI toolkit for regular desktop apps nor provide a general interface to *all* openGL functionality. It currently uses fairly low end GL functionality with an aim to still work well on open source graphics drivers as well as possibly making an eventual GL ES port feasable. Clutter currently requires GLib >= 2.8, GdkPixbuf and OpenGL >= 1.2. Its also recommended you have some kind of working hardware OpenGL on your target system. Clutter is LGPL licensed. If you want to hack on and improve clutter check the TODO file.