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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
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**
****************************************************************************/
#ifndef QSGD3D12RENDERLOOP_P_H
#define QSGD3D12RENDERLOOP_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <private/qsgrenderloop_p.h>
QT_BEGIN_NAMESPACE
class QSGD3D12Engine;
class QSGD3D12Context;
class QSGD3D12RenderContext;
class QSGD3D12RenderLoop : public QSGRenderLoop
{
Q_OBJECT
public:
QSGD3D12RenderLoop();
~QSGD3D12RenderLoop();
void show(QQuickWindow *window) override;
void hide(QQuickWindow *window) override;
void resize(QQuickWindow *window) override;
void windowDestroyed(QQuickWindow *window) override;
void exposureChanged(QQuickWindow *window) override;
QImage grab(QQuickWindow *window) override;
void update(QQuickWindow *window) override;
void maybeUpdate(QQuickWindow *window) override;
QAnimationDriver *animationDriver() const override;
QSGContext *sceneGraphContext() const override;
QSGRenderContext *createRenderContext(QSGContext *) const override;
void releaseResources(QQuickWindow *window) override;
void postJob(QQuickWindow *window, QRunnable *job) override;
QSurface::SurfaceType windowSurfaceType() const override;
bool interleaveIncubation() const override;
int flags() const override;
bool event(QEvent *event) override;
public Q_SLOTS:
void onAnimationStarted();
void onAnimationStopped();
private:
void exposeWindow(QQuickWindow *window);
void obscureWindow(QQuickWindow *window);
void renderWindow(QQuickWindow *window);
void render();
void maybePostUpdateTimer();
bool somethingVisible() const;
QSGD3D12Context *sg;
QAnimationDriver *m_anims;
int m_vsyncDelta;
int m_updateTimer = 0;
int m_animationTimer = 0;
struct WindowData {
QSGD3D12RenderContext *rc = nullptr;
QSGD3D12Engine *engine = nullptr;
bool updatePending = false;
bool grabOnly = false;
bool exposed = false;
};
QHash<QQuickWindow *, WindowData> m_windows;
QImage m_grabContent;
};
QT_END_NAMESPACE
#endif // QSGD3D12RENDERLOOP_P_H
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