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/****************************************************************************
**
** Copyright (C) 2015 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
** Copyright (C) 2022 The Qt Company Ltd.
** Copyright (C) 2016 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins 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 QEGLFSKMSGBMSCREEN_H
#define QEGLFSKMSGBMSCREEN_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/qeglfskmsscreen_p.h>
#include <QMutex>
#include <QWaitCondition>
#include <gbm.h>
QT_BEGIN_NAMESPACE
class QEglFSKmsGbmCursor;
class Q_EGLFS_EXPORT QEglFSKmsGbmScreen : public QEglFSKmsScreen
{
public:
QEglFSKmsGbmScreen(QEglFSKmsDevice *device, const QKmsOutput &output, bool headless);
~QEglFSKmsGbmScreen();
QPlatformCursor *cursor() const override;
gbm_surface *createSurface(EGLConfig eglConfig);
void resetSurface();
void initCloning(QPlatformScreen *screenThisScreenClones,
const QList<QPlatformScreen *> &screensCloningThisScreen);
void waitForFlip() override;
virtual void flip();
virtual void updateFlipStatus();
virtual uint32_t gbmFlags() { return GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING; }
protected:
void flipFinished();
void ensureModeSet(uint32_t fb);
void cloneDestFlipFinished(QEglFSKmsGbmScreen *cloneDestScreen);
gbm_surface *m_gbm_surface;
gbm_bo *m_gbm_bo_current;
gbm_bo *m_gbm_bo_next;
bool m_flipPending;
QMutex m_flipMutex;
QWaitCondition m_flipCond;
QScopedPointer<QEglFSKmsGbmCursor> m_cursor;
struct FrameBuffer {
uint32_t fb = 0;
};
static void bufferDestroyedHandler(gbm_bo *bo, void *data);
FrameBuffer *framebufferForBufferObject(gbm_bo *bo);
QEglFSKmsGbmScreen *m_cloneSource;
struct CloneDestination {
QEglFSKmsGbmScreen *screen = nullptr;
bool cloneFlipPending = false;
};
QList<CloneDestination> m_cloneDests;
};
QT_END_NAMESPACE
#endif // QEGLFSKMSGBMSCREEN_H
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