| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Copyright (C) 2016 Pelagicore AG |
| ** Copyright (C) 2015 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com> |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the plugins of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
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| ** GNU Lesser General Public License Usage |
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| ** General Public License version 3 as published by the Free Software |
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| ** packaging of this file. Please review the following information to |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
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| ** Public license version 3 or any later version approved by the KDE Free |
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| ****************************************************************************/ |
| |
| #ifndef QKMSDEVICE_P_H |
| #define QKMSDEVICE_P_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 <QtGui/private/qtguiglobal_p.h> |
| #include <qpa/qplatformscreen.h> |
| #include <QtCore/QMap> |
| #include <QtCore/QVariant> |
| #include <QtCore/QThreadStorage> |
| |
| #include <xf86drm.h> |
| #include <xf86drmMode.h> |
| #include <drm_fourcc.h> |
| |
| #include <functional> |
| |
| // In less fortunate cases one may need to build on a system with dev headers |
| // from the dark ages. Let's pull a GL and define the missing stuff outselves. |
| |
| #ifndef DRM_PLANE_TYPE_OVERLAY |
| #define DRM_PLANE_TYPE_OVERLAY 0 |
| #endif |
| #ifndef DRM_PLANE_TYPE_PRIMARY |
| #define DRM_PLANE_TYPE_PRIMARY 1 |
| #endif |
| #ifndef DRM_PLANE_TYPE_CURSOR |
| #define DRM_PLANE_TYPE_CURSOR 2 |
| #endif |
| |
| #ifndef DRM_CLIENT_CAP_UNIVERSAL_PLANES |
| #define DRM_CLIENT_CAP_UNIVERSAL_PLANES 2 |
| #endif |
| #ifndef DRM_CLIENT_CAP_ATOMIC |
| #define DRM_CLIENT_CAP_ATOMIC 3 |
| #endif |
| |
| #ifndef DRM_MODE_PROP_EXTENDED_TYPE |
| #define DRM_MODE_PROP_EXTENDED_TYPE 0x0000ffc0 |
| #endif |
| #ifndef DRM_MODE_PROP_TYPE |
| #define DRM_MODE_PROP_TYPE(n) ((n) << 6) |
| #endif |
| #ifndef DRM_MODE_PROP_OBJECT |
| #define DRM_MODE_PROP_OBJECT DRM_MODE_PROP_TYPE(1) |
| #endif |
| #ifndef DRM_MODE_PROP_SIGNED_RANGE |
| #define DRM_MODE_PROP_SIGNED_RANGE DRM_MODE_PROP_TYPE(2) |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QKmsDevice; |
| |
| class QKmsScreenConfig |
| { |
| public: |
| enum VirtualDesktopLayout { |
| VirtualDesktopLayoutHorizontal, |
| VirtualDesktopLayoutVertical |
| }; |
| |
| QKmsScreenConfig(); |
| |
| QString devicePath() const { return m_devicePath; } |
| |
| bool headless() const { return m_headless; } |
| QSize headlessSize() const { return m_headlessSize; } |
| bool hwCursor() const { return m_hwCursor; } |
| bool separateScreens() const { return m_separateScreens; } |
| bool supportsPBuffers() const { return m_pbuffers; } |
| VirtualDesktopLayout virtualDesktopLayout() const { return m_virtualDesktopLayout; } |
| |
| QMap<QString, QVariantMap> outputSettings() const { return m_outputSettings; } |
| |
| private: |
| void loadConfig(); |
| |
| QString m_devicePath; |
| bool m_headless; |
| QSize m_headlessSize; |
| bool m_hwCursor; |
| bool m_separateScreens; |
| bool m_pbuffers; |
| VirtualDesktopLayout m_virtualDesktopLayout; |
| QMap<QString, QVariantMap> m_outputSettings; |
| }; |
| |
| // NB! QKmsPlane does not store the current state and offers no functions to |
| // change object properties. Any such functionality belongs to subclasses since |
| // in some cases atomic operations will be desired where a mere |
| // drmModeObjectSetProperty would not be acceptable. |
| struct QKmsPlane |
| { |
| enum Type { |
| OverlayPlane = DRM_PLANE_TYPE_OVERLAY, |
| PrimaryPlane = DRM_PLANE_TYPE_PRIMARY, |
| CursorPlane = DRM_PLANE_TYPE_CURSOR |
| }; |
| |
| enum Rotation { |
| Rotation0 = 1 << 0, |
| Rotation90 = 1 << 1, |
| Rotation180 = 1 << 2, |
| Rotation270 = 1 << 3, |
| RotationReflectX = 1 << 4, |
| RotationReflectY = 1 << 5 |
| }; |
| Q_DECLARE_FLAGS(Rotations, Rotation) |
| |
| uint32_t id = 0; |
| Type type = OverlayPlane; |
| |
| int possibleCrtcs = 0; |
| |
| QVector<uint32_t> supportedFormats; |
| |
| Rotations initialRotation = Rotation0; |
| Rotations availableRotations = Rotation0; |
| uint32_t rotationPropertyId = 0; |
| uint32_t crtcPropertyId = 0; |
| uint32_t framebufferPropertyId = 0; |
| uint32_t srcXPropertyId = 0; |
| uint32_t srcYPropertyId = 0; |
| uint32_t crtcXPropertyId = 0; |
| uint32_t crtcYPropertyId = 0; |
| uint32_t srcwidthPropertyId = 0; |
| uint32_t srcheightPropertyId = 0; |
| uint32_t crtcwidthPropertyId = 0; |
| uint32_t crtcheightPropertyId = 0; |
| uint32_t zposPropertyId = 0; |
| uint32_t blendOpPropertyId = 0; |
| |
| uint32_t activeCrtcId = 0; |
| }; |
| |
| Q_DECLARE_OPERATORS_FOR_FLAGS(QKmsPlane::Rotations) |
| |
| struct QKmsOutput |
| { |
| QString name; |
| uint32_t connector_id = 0; |
| uint32_t crtc_index = 0; |
| uint32_t crtc_id = 0; |
| QSizeF physical_size; |
| int preferred_mode = -1; // index of preferred mode in list below |
| int mode = -1; // index of selected mode in list below |
| bool mode_set = false; |
| drmModeCrtcPtr saved_crtc = nullptr; |
| QList<drmModeModeInfo> modes; |
| int subpixel = DRM_MODE_SUBPIXEL_UNKNOWN; |
| drmModePropertyPtr dpms_prop = nullptr; |
| drmModePropertyBlobPtr edid_blob = nullptr; |
| bool wants_forced_plane = false; |
| uint32_t forced_plane_id = 0; |
| bool forced_plane_set = false; |
| uint32_t drm_format = DRM_FORMAT_XRGB8888; |
| bool drm_format_requested_by_user = false; |
| QString clone_source; |
| QVector<QKmsPlane> available_planes; |
| struct QKmsPlane *eglfs_plane = nullptr; |
| QSize size; |
| uint32_t crtcIdPropertyId = 0; |
| uint32_t modeIdPropertyId = 0; |
| uint32_t activePropertyId = 0; |
| |
| uint32_t mode_blob_id = 0; |
| |
| void restoreMode(QKmsDevice *device); |
| void cleanup(QKmsDevice *device); |
| QPlatformScreen::SubpixelAntialiasingType subpixelAntialiasingTypeHint() const; |
| void setPowerState(QKmsDevice *device, QPlatformScreen::PowerState state); |
| }; |
| |
| class QKmsDevice |
| { |
| public: |
| struct ScreenInfo { |
| int virtualIndex = 0; |
| QPoint virtualPos; |
| bool isPrimary = false; |
| QKmsOutput output; |
| }; |
| |
| QKmsDevice(QKmsScreenConfig *screenConfig, const QString &path = QString()); |
| virtual ~QKmsDevice(); |
| |
| virtual bool open() = 0; |
| virtual void close() = 0; |
| virtual void *nativeDisplay() const = 0; |
| |
| bool hasAtomicSupport(); |
| |
| #if QT_CONFIG(drm_atomic) |
| drmModeAtomicReq *threadLocalAtomicRequest(); |
| bool threadLocalAtomicCommit(void *user_data); |
| void threadLocalAtomicReset(); |
| #endif |
| void createScreens(); |
| |
| int fd() const; |
| QString devicePath() const; |
| |
| QKmsScreenConfig *screenConfig() const; |
| |
| protected: |
| virtual QPlatformScreen *createScreen(const QKmsOutput &output) = 0; |
| virtual QPlatformScreen *createHeadlessScreen(); |
| virtual void registerScreenCloning(QPlatformScreen *screen, |
| QPlatformScreen *screenThisScreenClones, |
| const QVector<QPlatformScreen *> &screensCloningThisScreen); |
| virtual void registerScreen(QPlatformScreen *screen, |
| bool isPrimary, |
| const QPoint &virtualPos, |
| const QList<QPlatformScreen *> &virtualSiblings) = 0; |
| |
| void setFd(int fd); |
| int crtcForConnector(drmModeResPtr resources, drmModeConnectorPtr connector); |
| QPlatformScreen *createScreenForConnector(drmModeResPtr resources, |
| drmModeConnectorPtr connector, |
| ScreenInfo *vinfo); |
| drmModePropertyPtr connectorProperty(drmModeConnectorPtr connector, const QByteArray &name); |
| drmModePropertyBlobPtr connectorPropertyBlob(drmModeConnectorPtr connector, const QByteArray &name); |
| typedef std::function<void(drmModePropertyPtr, quint64)> PropCallback; |
| void enumerateProperties(drmModeObjectPropertiesPtr objProps, PropCallback callback); |
| void discoverPlanes(); |
| void parseConnectorProperties(uint32_t connectorId, QKmsOutput *output); |
| void parseCrtcProperties(uint32_t crtcId, QKmsOutput *output); |
| |
| QKmsScreenConfig *m_screenConfig; |
| QString m_path; |
| int m_dri_fd; |
| |
| bool m_has_atomic_support; |
| |
| #if QT_CONFIG(drm_atomic) |
| struct AtomicReqs { |
| drmModeAtomicReq *request = nullptr; |
| drmModeAtomicReq *previous_request = nullptr; |
| }; |
| QThreadStorage<AtomicReqs> m_atomicReqs; |
| #endif |
| quint32 m_crtc_allocator; |
| |
| QVector<QKmsPlane> m_planes; |
| |
| private: |
| Q_DISABLE_COPY(QKmsDevice) |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |