| 1 | // Copyright (C) 2015 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com> |
|---|---|
| 2 | // Copyright (C) 2016 The Qt Company Ltd. |
| 3 | // Copyright (C) 2016 Pelagicore AG |
| 4 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 5 | |
| 6 | #ifndef QEGLFSKMSGBMSCREEN_H |
| 7 | #define QEGLFSKMSGBMSCREEN_H |
| 8 | |
| 9 | // |
| 10 | // W A R N I N G |
| 11 | // ------------- |
| 12 | // |
| 13 | // This file is not part of the Qt API. It exists purely as an |
| 14 | // implementation detail. This header file may change from version to |
| 15 | // version without notice, or even be removed. |
| 16 | // |
| 17 | // We mean it. |
| 18 | // |
| 19 | |
| 20 | #include <private/qeglfskmsscreen_p.h> |
| 21 | #include <QMutex> |
| 22 | #include <QWaitCondition> |
| 23 | |
| 24 | #include <gbm.h> |
| 25 | |
| 26 | QT_BEGIN_NAMESPACE |
| 27 | |
| 28 | class QEglFSKmsGbmCursor; |
| 29 | |
| 30 | class Q_EGLFS_EXPORT QEglFSKmsGbmScreen : public QEglFSKmsScreen |
| 31 | { |
| 32 | public: |
| 33 | QEglFSKmsGbmScreen(QEglFSKmsDevice *device, const QKmsOutput &output, bool headless); |
| 34 | ~QEglFSKmsGbmScreen(); |
| 35 | |
| 36 | QPlatformCursor *cursor() const override; |
| 37 | |
| 38 | gbm_surface *createSurface(EGLConfig eglConfig); |
| 39 | void resetSurface(); |
| 40 | |
| 41 | void initCloning(QPlatformScreen *screenThisScreenClones, |
| 42 | const QList<QPlatformScreen *> &screensCloningThisScreen); |
| 43 | |
| 44 | void waitForFlip() override; |
| 45 | |
| 46 | virtual void flip(); |
| 47 | virtual void updateFlipStatus(); |
| 48 | |
| 49 | virtual uint32_t gbmFlags() { return GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING; } |
| 50 | |
| 51 | protected: |
| 52 | void flipFinished(); |
| 53 | void ensureModeSet(uint32_t fb); |
| 54 | void cloneDestFlipFinished(QEglFSKmsGbmScreen *cloneDestScreen); |
| 55 | void waitForFlipWithEventReader(QEglFSKmsGbmScreen *screen); |
| 56 | static void nonThreadedPageFlipHandler(int fd, |
| 57 | unsigned int sequence, |
| 58 | unsigned int tv_sec, |
| 59 | unsigned int tv_usec, |
| 60 | void *user_data); |
| 61 | |
| 62 | gbm_surface *m_gbm_surface; |
| 63 | |
| 64 | gbm_bo *m_gbm_bo_current; |
| 65 | gbm_bo *m_gbm_bo_next; |
| 66 | bool m_flipPending; |
| 67 | |
| 68 | QMutex m_flipMutex; |
| 69 | QWaitCondition m_flipCond; |
| 70 | static QMutex m_nonThreadedFlipMutex; |
| 71 | |
| 72 | QScopedPointer<QEglFSKmsGbmCursor> m_cursor; |
| 73 | |
| 74 | struct FrameBuffer { |
| 75 | uint32_t fb = 0; |
| 76 | }; |
| 77 | static void bufferDestroyedHandler(gbm_bo *bo, void *data); |
| 78 | FrameBuffer *framebufferForBufferObject(gbm_bo *bo); |
| 79 | |
| 80 | QEglFSKmsGbmScreen *m_cloneSource; |
| 81 | struct CloneDestination { |
| 82 | QEglFSKmsGbmScreen *screen = nullptr; |
| 83 | bool cloneFlipPending = false; |
| 84 | }; |
| 85 | QList<CloneDestination> m_cloneDests; |
| 86 | }; |
| 87 | |
| 88 | QT_END_NAMESPACE |
| 89 | |
| 90 | #endif // QEGLFSKMSGBMSCREEN_H |
| 91 |