diff options
Diffstat (limited to 'src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen_p.h')
-rw-r--r-- | src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen_p.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen_p.h b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen_p.h new file mode 100644 index 0000000000..aca34fcae2 --- /dev/null +++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen_p.h @@ -0,0 +1,92 @@ +// 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 |