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mutter/src/compositor/meta-window-group.h

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Reduce overpaint in the window group When we are painting a stack of 5-10 maximized windows, the standard bottom-to-top method of drawing every actor results in a tremendous amount of overdraw and can easily max out the available memory bandwidth on a low-end* graphics chipset. It's even worse if window textures are being accessed over the AGP bus. When we have opaque windows, we can go ahead and compute visibility ourselves (in classic X-server fashion) and use that information to restrict drawing obscured actors. * Add MutterWindowGroup - a ClutterGroup subclass with logic for figuring out obscured regions. * Add mutter_window_get_obscured_region() to get the region obscured by that window. * Add mutter_shaped_texture_set_clip_region() to hint a clip region to the painting code; this is set based on the computed visible region of MutterWindowGroup. * Add tidy_texture_frame_set_needs_paint() to hint that the paint can be skipped entirely; this is used when we detect that the window shadow is entirely obscured. http://bugzilla.gnome.org/show_bug.cgi?id=587344
2009-06-29 18:30:26 +00:00
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
Remove Mutter namespace prefix Move all objects and functions namespaced with Mutter into the Meta namespace to get a single consistent namespace. Changes that aren't simply changing mutter to meta: MutterWindow => MetaWindowActor mutter_get_windows => meta_get_window_actors mutter_plugin_get_windows => meta_plugin_get_window_actors https://bugzilla.gnome.org/show_bug.cgi?id=628520
2010-10-18 17:27:14 +00:00
#ifndef META_WINDOW_GROUP_H
#define META_WINDOW_GROUP_H
Reduce overpaint in the window group When we are painting a stack of 5-10 maximized windows, the standard bottom-to-top method of drawing every actor results in a tremendous amount of overdraw and can easily max out the available memory bandwidth on a low-end* graphics chipset. It's even worse if window textures are being accessed over the AGP bus. When we have opaque windows, we can go ahead and compute visibility ourselves (in classic X-server fashion) and use that information to restrict drawing obscured actors. * Add MutterWindowGroup - a ClutterGroup subclass with logic for figuring out obscured regions. * Add mutter_window_get_obscured_region() to get the region obscured by that window. * Add mutter_shaped_texture_set_clip_region() to hint a clip region to the painting code; this is set based on the computed visible region of MutterWindowGroup. * Add tidy_texture_frame_set_needs_paint() to hint that the paint can be skipped entirely; this is used when we detect that the window shadow is entirely obscured. http://bugzilla.gnome.org/show_bug.cgi?id=587344
2009-06-29 18:30:26 +00:00
#include <clutter/clutter.h>
Move the installed includes to a subdir If mutter is going to be a "real" library, then it should install its includes so that users can do #include <meta/display.h> rather than #include <display.h> So rename the includedir accordingly, move src/include to src/meta, and fix up all internal references. There were a handful of header files in src/include that were not installed; this appears to have been part of a plan to keep core/, ui/, and compositor/ from looking at each others' private includes, but that wasn't really working anyway. So move all non-installed headers back into core/ or ui/. https://bugzilla.gnome.org/show_bug.cgi?id=643959
2011-03-06 00:29:12 +00:00
#include <meta/screen.h>
Reduce overpaint in the window group When we are painting a stack of 5-10 maximized windows, the standard bottom-to-top method of drawing every actor results in a tremendous amount of overdraw and can easily max out the available memory bandwidth on a low-end* graphics chipset. It's even worse if window textures are being accessed over the AGP bus. When we have opaque windows, we can go ahead and compute visibility ourselves (in classic X-server fashion) and use that information to restrict drawing obscured actors. * Add MutterWindowGroup - a ClutterGroup subclass with logic for figuring out obscured regions. * Add mutter_window_get_obscured_region() to get the region obscured by that window. * Add mutter_shaped_texture_set_clip_region() to hint a clip region to the painting code; this is set based on the computed visible region of MutterWindowGroup. * Add tidy_texture_frame_set_needs_paint() to hint that the paint can be skipped entirely; this is used when we detect that the window shadow is entirely obscured. http://bugzilla.gnome.org/show_bug.cgi?id=587344
2009-06-29 18:30:26 +00:00
/**
Remove Mutter namespace prefix Move all objects and functions namespaced with Mutter into the Meta namespace to get a single consistent namespace. Changes that aren't simply changing mutter to meta: MutterWindow => MetaWindowActor mutter_get_windows => meta_get_window_actors mutter_plugin_get_windows => meta_plugin_get_window_actors https://bugzilla.gnome.org/show_bug.cgi?id=628520
2010-10-18 17:27:14 +00:00
* MetaWindowGroup:
Reduce overpaint in the window group When we are painting a stack of 5-10 maximized windows, the standard bottom-to-top method of drawing every actor results in a tremendous amount of overdraw and can easily max out the available memory bandwidth on a low-end* graphics chipset. It's even worse if window textures are being accessed over the AGP bus. When we have opaque windows, we can go ahead and compute visibility ourselves (in classic X-server fashion) and use that information to restrict drawing obscured actors. * Add MutterWindowGroup - a ClutterGroup subclass with logic for figuring out obscured regions. * Add mutter_window_get_obscured_region() to get the region obscured by that window. * Add mutter_shaped_texture_set_clip_region() to hint a clip region to the painting code; this is set based on the computed visible region of MutterWindowGroup. * Add tidy_texture_frame_set_needs_paint() to hint that the paint can be skipped entirely; this is used when we detect that the window shadow is entirely obscured. http://bugzilla.gnome.org/show_bug.cgi?id=587344
2009-06-29 18:30:26 +00:00
*
Update and fix comments
2013-03-14 21:55:24 +00:00
* This class is a subclass of ClutterActor with special handling for
cullable: Turn cull_out / reset_culling into a separate interface Instead of hardcoded knowledge of certain classes in MetaWindowGroup, create a generic interface that all actors can implement to get parts of their regions culled out during redraw, without needing any special knowledge of how to handle a specific actor. The names now are a bit suspect. MetaBackgroundGroup is a simple MetaCullable that knows how to cull children, and MetaWindowGroup is the "toplevel" cullable that computes the initial two regions. A future cleanup here could be to merge MetaWindowGroup / MetaBackgroundGroup so that we only have a generic MetaSimpleCullable, and move the "toplevel" cullability to be a MetaCullableToplevel. https://bugzilla.gnome.org/show_bug.cgi?id=714706
2013-11-21 20:25:08 +00:00
* #MetaCullable when painting children. It uses code similar to
* meta_cullable_cull_out_children(), but also has additional special
* cases for the undirected window, and similar.
Reduce overpaint in the window group When we are painting a stack of 5-10 maximized windows, the standard bottom-to-top method of drawing every actor results in a tremendous amount of overdraw and can easily max out the available memory bandwidth on a low-end* graphics chipset. It's even worse if window textures are being accessed over the AGP bus. When we have opaque windows, we can go ahead and compute visibility ourselves (in classic X-server fashion) and use that information to restrict drawing obscured actors. * Add MutterWindowGroup - a ClutterGroup subclass with logic for figuring out obscured regions. * Add mutter_window_get_obscured_region() to get the region obscured by that window. * Add mutter_shaped_texture_set_clip_region() to hint a clip region to the painting code; this is set based on the computed visible region of MutterWindowGroup. * Add tidy_texture_frame_set_needs_paint() to hint that the paint can be skipped entirely; this is used when we detect that the window shadow is entirely obscured. http://bugzilla.gnome.org/show_bug.cgi?id=587344
2009-06-29 18:30:26 +00:00
*/
Remove Mutter namespace prefix Move all objects and functions namespaced with Mutter into the Meta namespace to get a single consistent namespace. Changes that aren't simply changing mutter to meta: MutterWindow => MetaWindowActor mutter_get_windows => meta_get_window_actors mutter_plugin_get_windows => meta_plugin_get_window_actors https://bugzilla.gnome.org/show_bug.cgi?id=628520
2010-10-18 17:27:14 +00:00
#define META_TYPE_WINDOW_GROUP (meta_window_group_get_type ())
#define META_WINDOW_GROUP(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_WINDOW_GROUP, MetaWindowGroup))
#define META_WINDOW_GROUP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_WINDOW_GROUP, MetaWindowGroupClass))
#define META_IS_WINDOW_GROUP(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_WINDOW_GROUP))
Fix typo
2010-10-24 09:59:23 +00:00
#define META_IS_WINDOW_GROUP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_WINDOW_GROUP))
Remove Mutter namespace prefix Move all objects and functions namespaced with Mutter into the Meta namespace to get a single consistent namespace. Changes that aren't simply changing mutter to meta: MutterWindow => MetaWindowActor mutter_get_windows => meta_get_window_actors mutter_plugin_get_windows => meta_plugin_get_window_actors https://bugzilla.gnome.org/show_bug.cgi?id=628520
2010-10-18 17:27:14 +00:00
#define META_WINDOW_GROUP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), META_TYPE_WINDOW_GROUP, MetaWindowGroupClass))
Reduce overpaint in the window group When we are painting a stack of 5-10 maximized windows, the standard bottom-to-top method of drawing every actor results in a tremendous amount of overdraw and can easily max out the available memory bandwidth on a low-end* graphics chipset. It's even worse if window textures are being accessed over the AGP bus. When we have opaque windows, we can go ahead and compute visibility ourselves (in classic X-server fashion) and use that information to restrict drawing obscured actors. * Add MutterWindowGroup - a ClutterGroup subclass with logic for figuring out obscured regions. * Add mutter_window_get_obscured_region() to get the region obscured by that window. * Add mutter_shaped_texture_set_clip_region() to hint a clip region to the painting code; this is set based on the computed visible region of MutterWindowGroup. * Add tidy_texture_frame_set_needs_paint() to hint that the paint can be skipped entirely; this is used when we detect that the window shadow is entirely obscured. http://bugzilla.gnome.org/show_bug.cgi?id=587344
2009-06-29 18:30:26 +00:00
Remove Mutter namespace prefix Move all objects and functions namespaced with Mutter into the Meta namespace to get a single consistent namespace. Changes that aren't simply changing mutter to meta: MutterWindow => MetaWindowActor mutter_get_windows => meta_get_window_actors mutter_plugin_get_windows => meta_plugin_get_window_actors https://bugzilla.gnome.org/show_bug.cgi?id=628520
2010-10-18 17:27:14 +00:00
typedef struct _MetaWindowGroup MetaWindowGroup;
typedef struct _MetaWindowGroupClass MetaWindowGroupClass;
typedef struct _MetaWindowGroupPrivate MetaWindowGroupPrivate;
Reduce overpaint in the window group When we are painting a stack of 5-10 maximized windows, the standard bottom-to-top method of drawing every actor results in a tremendous amount of overdraw and can easily max out the available memory bandwidth on a low-end* graphics chipset. It's even worse if window textures are being accessed over the AGP bus. When we have opaque windows, we can go ahead and compute visibility ourselves (in classic X-server fashion) and use that information to restrict drawing obscured actors. * Add MutterWindowGroup - a ClutterGroup subclass with logic for figuring out obscured regions. * Add mutter_window_get_obscured_region() to get the region obscured by that window. * Add mutter_shaped_texture_set_clip_region() to hint a clip region to the painting code; this is set based on the computed visible region of MutterWindowGroup. * Add tidy_texture_frame_set_needs_paint() to hint that the paint can be skipped entirely; this is used when we detect that the window shadow is entirely obscured. http://bugzilla.gnome.org/show_bug.cgi?id=587344
2009-06-29 18:30:26 +00:00
Remove Mutter namespace prefix Move all objects and functions namespaced with Mutter into the Meta namespace to get a single consistent namespace. Changes that aren't simply changing mutter to meta: MutterWindow => MetaWindowActor mutter_get_windows => meta_get_window_actors mutter_plugin_get_windows => meta_plugin_get_window_actors https://bugzilla.gnome.org/show_bug.cgi?id=628520
2010-10-18 17:27:14 +00:00
GType meta_window_group_get_type (void);
Reduce overpaint in the window group When we are painting a stack of 5-10 maximized windows, the standard bottom-to-top method of drawing every actor results in a tremendous amount of overdraw and can easily max out the available memory bandwidth on a low-end* graphics chipset. It's even worse if window textures are being accessed over the AGP bus. When we have opaque windows, we can go ahead and compute visibility ourselves (in classic X-server fashion) and use that information to restrict drawing obscured actors. * Add MutterWindowGroup - a ClutterGroup subclass with logic for figuring out obscured regions. * Add mutter_window_get_obscured_region() to get the region obscured by that window. * Add mutter_shaped_texture_set_clip_region() to hint a clip region to the painting code; this is set based on the computed visible region of MutterWindowGroup. * Add tidy_texture_frame_set_needs_paint() to hint that the paint can be skipped entirely; this is used when we detect that the window shadow is entirely obscured. http://bugzilla.gnome.org/show_bug.cgi?id=587344
2009-06-29 18:30:26 +00:00
Remove Mutter namespace prefix Move all objects and functions namespaced with Mutter into the Meta namespace to get a single consistent namespace. Changes that aren't simply changing mutter to meta: MutterWindow => MetaWindowActor mutter_get_windows => meta_get_window_actors mutter_plugin_get_windows => meta_plugin_get_window_actors https://bugzilla.gnome.org/show_bug.cgi?id=628520
2010-10-18 17:27:14 +00:00
ClutterActor *meta_window_group_new (MetaScreen *screen);
Reduce overpaint in the window group When we are painting a stack of 5-10 maximized windows, the standard bottom-to-top method of drawing every actor results in a tremendous amount of overdraw and can easily max out the available memory bandwidth on a low-end* graphics chipset. It's even worse if window textures are being accessed over the AGP bus. When we have opaque windows, we can go ahead and compute visibility ourselves (in classic X-server fashion) and use that information to restrict drawing obscured actors. * Add MutterWindowGroup - a ClutterGroup subclass with logic for figuring out obscured regions. * Add mutter_window_get_obscured_region() to get the region obscured by that window. * Add mutter_shaped_texture_set_clip_region() to hint a clip region to the painting code; this is set based on the computed visible region of MutterWindowGroup. * Add tidy_texture_frame_set_needs_paint() to hint that the paint can be skipped entirely; this is used when we detect that the window shadow is entirely obscured. http://bugzilla.gnome.org/show_bug.cgi?id=587344
2009-06-29 18:30:26 +00:00
compositor: export actor_is_untransformed function actor_is_untransformed is a function meta-window-group uses to determine if an actor is relatively pixel aligned and not contorted. It then returns the coordinates of the actor. In a subsequent commit will need the function in a different file, so this commit separates it out. https://bugzilla.gnome.org/show_bug.cgi?id=682427
2013-02-18 22:55:26 +00:00
gboolean meta_window_group_actor_is_untransformed (ClutterActor *actor,
int *x_origin,
int *y_origin);
Remove Mutter namespace prefix Move all objects and functions namespaced with Mutter into the Meta namespace to get a single consistent namespace. Changes that aren't simply changing mutter to meta: MutterWindow => MetaWindowActor mutter_get_windows => meta_get_window_actors mutter_plugin_get_windows => meta_plugin_get_window_actors https://bugzilla.gnome.org/show_bug.cgi?id=628520
2010-10-18 17:27:14 +00:00
#endif /* META_WINDOW_GROUP_H */
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