/******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2015 Martin Gräßlin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #ifndef KWIN_DRM_OUTPUT_H #define KWIN_DRM_OUTPUT_H #include "drm_pointer.h" #include "drm_object.h" #include "drm_object_plane.h" #include #include #include #include #include #include #include namespace KWayland { namespace Server { class OutputInterface; class OutputDeviceInterface; class OutputChangeSet; class OutputManagementInterface; class XdgOutputInterface; } } namespace KWin { class DrmBackend; class DrmBuffer; class DrmDumbBuffer; class DrmPlane; class DrmConnector; class DrmCrtc; class DrmOutput : public QObject { Q_OBJECT public: struct Edid { QByteArray eisaId; QByteArray monitorName; QByteArray serialNumber; QSize physicalSize; }; ///deletes the output, calling this whilst a page flip is pending will result in an error ~DrmOutput() override; ///queues deleting the output after a page flip has completed. void teardown(); void releaseGbm(); bool showCursor(DrmDumbBuffer *buffer); bool showCursor(); bool hideCursor(); void updateCursor(); void moveCursor(const QPoint &globalPos); bool init(drmModeConnector *connector); bool present(DrmBuffer *buffer); void pageFlipped(); /** * Enable or disable the output. * This differs from setDpms as it also * removes the wl_output * The default is on */ void setEnabled(bool enabled); bool isEnabled() const; /** * This sets the changes and tests them against the DRM output */ void setChanges(KWayland::Server::OutputChangeSet *changeset); bool commitChanges(); QSize pixelSize() const; qreal scale() const; /* * The geometry of this output in global compositor co-ordinates (i.e scaled) */ QRect geometry() const; QString name() const; int currentRefreshRate() const; // These values are defined by the kernel enum class DpmsMode { On = DRM_MODE_DPMS_ON, Standby = DRM_MODE_DPMS_STANDBY, Suspend = DRM_MODE_DPMS_SUSPEND, Off = DRM_MODE_DPMS_OFF }; void setDpms(DpmsMode mode); bool isDpmsEnabled() const { // We care for current as well as pending mode in order to allow first present in AMS. return m_dpmsModePending == DpmsMode::On; } QByteArray uuid() const { return m_uuid; } QSize physicalSize() const; bool initCursor(const QSize &cursorSize); bool supportsTransformations() const; bool isInternal() const { return m_internal; } Qt::ScreenOrientation orientation() const { return m_orientation; } const QPointer getWaylandInterface() const { return m_waylandOutput; } Q_SIGNALS: void dpmsChanged(); void modeChanged(); private: friend class DrmBackend; friend class DrmCrtc; // TODO: For use of setModeLegacy. Remove later when we allow multiple connectors per crtc // and save the connector ids in the DrmCrtc instance. DrmOutput(DrmBackend *backend); bool presentAtomically(DrmBuffer *buffer); enum class AtomicCommitMode { Test, Real }; bool doAtomicCommit(AtomicCommitMode mode); bool presentLegacy(DrmBuffer *buffer); bool setModeLegacy(DrmBuffer *buffer); void initEdid(drmModeConnector *connector); void initDpms(drmModeConnector *connector); void initOutputDevice(drmModeConnector *connector); bool isCurrentMode(const drmModeModeInfo *mode) const; void initUuid(); void setGlobalPos(const QPoint &pos); void setScale(qreal scale); void initOutput(); bool initPrimaryPlane(); bool initCursorPlane(); void dpmsOnHandler(); void dpmsOffHandler(); bool dpmsAtomicOff(); bool atomicReqModesetPopulate(drmModeAtomicReq *req, bool enable); void updateMode(int modeIndex); void transform(KWayland::Server::OutputDeviceInterface::Transform transform); void automaticRotation(); DrmBackend *m_backend; DrmConnector *m_conn = nullptr; DrmCrtc *m_crtc = nullptr; QPoint m_globalPos; qreal m_scale = 1; bool m_lastGbm = false; drmModeModeInfo m_mode; Edid m_edid; QPointer m_waylandOutput; QPointer m_xdgOutput; QPointer m_waylandOutputDevice; QPointer m_changeset; KWin::ScopedDrmPointer<_drmModeProperty, &drmModeFreeProperty> m_dpms; DpmsMode m_dpmsMode = DpmsMode::On; DpmsMode m_dpmsModePending = DpmsMode::On; QByteArray m_uuid; uint32_t m_blobId = 0; DrmPlane* m_primaryPlane = nullptr; DrmPlane* m_cursorPlane = nullptr; QVector m_nextPlanesFlipList; bool m_pageFlipPending = false; bool m_dpmsAtomicOffPending = false; bool m_modesetRequested = true; QSize m_physicalSize; Qt::ScreenOrientation m_orientation = Qt::PrimaryOrientation; struct { Qt::ScreenOrientation orientation; drmModeModeInfo mode; DrmPlane::Transformations planeTransformations; QPoint globalPos; bool valid = false; } m_lastWorkingState; DrmDumbBuffer *m_cursor[2] = {nullptr, nullptr}; int m_cursorIndex = 0; bool m_hasNewCursor = false; bool m_internal = false; bool m_deleted = false; }; } Q_DECLARE_METATYPE(KWin::DrmOutput*) #endif