blob: 6f281dcb3c9a49f0b44e48d7a634cde31767e258 [file] [log] [blame]
/*
* Copyright (C) 2018 Metrological Group B.V.
* Copyright (C) 2018 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <cstdint>
#include <wtf/HashSet.h>
#include <wtf/Lock.h>
#include <wtf/RefPtr.h>
#include <wtf/ThreadSafeRefCounted.h>
namespace Nicosia {
class CompositionLayer;
class Scene : public ThreadSafeRefCounted<Scene> {
public:
static Ref<Scene> create()
{
return adoptRef(*new Scene);
}
~Scene();
struct State {
State();
~State();
uint32_t id { 0 };
// FIXME: This is needed for a ThreadedCompositor oddity that might not even be
// necessary anymore. It that has to be checked and ideally removed.
// https://bugs.webkit.org/show_bug.cgi?id=188839
bool platformLayerUpdated { false };
HashSet<RefPtr<Nicosia::CompositionLayer>> layers;
RefPtr<Nicosia::CompositionLayer> rootLayer;
};
template<typename F>
void accessState(const F& functor)
{
LockHolder locker(m_scene.lock);
functor(m_scene.state);
}
private:
Scene();
struct {
Lock lock;
State state;
} m_scene;
};
} // namespace Nicosia