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// Copyright (C) 2015 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
// Copyright (C) 2016 The Qt Company Ltd.
// Copyright (C) 2016 Pelagicore AG
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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);
void waitForFlipWithEventReader(QEglFSKmsGbmScreen *screen);
static void nonThreadedPageFlipHandler(int fd,
unsigned int sequence,
unsigned int tv_sec,
unsigned int tv_usec,
void *user_data);
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;
static QMutex m_nonThreadedFlipMutex;
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;
bool needsNewModeSetForNextFb = false;
};
QT_END_NAMESPACE
#endif // QEGLFSKMSGBMSCREEN_H
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