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include
server
mir
compositor
scene.h
Go to the documentation of this file.
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/*
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* Copyright © 2012 Canonical Ltd.
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authored by: Robert Carr <robert.carr@canonical.com>
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*/
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#ifndef MIR_COMPOSITOR_SCENE_H_
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#define MIR_COMPOSITOR_SCENE_H_
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#include "
mir/geometry/forward.h
"
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#include <memory>
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#include <functional>
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namespace
mir
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{
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namespace
surfaces
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{
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class
BufferStream;
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}
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namespace
compositor
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{
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class
CompositingCriteria;
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class
FilterForScene
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{
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public
:
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virtual
~FilterForScene
() {}
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virtual
bool
operator()
(
CompositingCriteria
const
&) = 0;
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protected
:
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FilterForScene
() =
default
;
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FilterForScene
(
const
FilterForScene
&) =
delete
;
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FilterForScene
&
operator=
(
const
FilterForScene
&) =
delete
;
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};
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class
OperatorForScene
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{
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public
:
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virtual
~OperatorForScene
() {}
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virtual
void
operator()
(
CompositingCriteria
const
&,
surfaces::BufferStream
&) = 0;
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protected
:
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OperatorForScene
() =
default
;
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OperatorForScene
(
const
OperatorForScene
&) =
delete
;
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OperatorForScene
&
operator=
(
const
OperatorForScene
&) =
delete
;
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};
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class
Scene
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{
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public
:
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virtual
~Scene
() {}
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// Back to front; normal rendering order
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virtual
void
for_each_if
(
FilterForScene
& filter,
OperatorForScene
& op) = 0;
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// Front to back; as used when scanning for occlusions
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virtual
void
reverse_for_each_if
(
FilterForScene
& filter,
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OperatorForScene
& op) = 0;
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virtual
void
set_change_callback
(std::function<
void
()>
const
& f) = 0;
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// Implement BasicLockable, to temporarily lock scene state:
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virtual
void
lock
() = 0;
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virtual
void
unlock
() = 0;
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protected
:
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Scene
() =
default
;
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private
:
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Scene
(
Scene
const
&) =
delete
;
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Scene
& operator=(
Scene
const
&) =
delete
;
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};
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}
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}
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#endif
/* MIR_COMPOSITOR_SCENE_H_ */
Copyright © 2012,2013 Canonical Ltd.
Generated on Wed Oct 30 18:52:19 UTC 2013