diff options
Diffstat (limited to 'src/platformsupport/kmsconvenience/qkmsdevice_p.h')
| -rw-r--r-- | src/platformsupport/kmsconvenience/qkmsdevice_p.h | 124 |
1 files changed, 106 insertions, 18 deletions
diff --git a/src/platformsupport/kmsconvenience/qkmsdevice_p.h b/src/platformsupport/kmsconvenience/qkmsdevice_p.h index 964a0b1775..5eecedec39 100644 --- a/src/platformsupport/kmsconvenience/qkmsdevice_p.h +++ b/src/platformsupport/kmsconvenience/qkmsdevice_p.h @@ -59,6 +59,42 @@ #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 @@ -76,6 +112,8 @@ public: 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; } @@ -87,6 +125,8 @@ private: void loadConfig(); QString m_devicePath; + bool m_headless; + QSize m_headlessSize; bool m_hwCursor; bool m_separateScreens; bool m_pbuffers; @@ -94,23 +134,63 @@ private: 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; +}; + +Q_DECLARE_OPERATORS_FOR_FLAGS(QKmsPlane::Rotations) + struct QKmsOutput { QString name; - uint32_t connector_id; - uint32_t crtc_id; + uint32_t connector_id = 0; + uint32_t crtc_index = 0; + uint32_t crtc_id = 0; QSizeF physical_size; - int preferred_mode; // index of preferred mode in list below - int mode; // index of selected mode in list below - bool mode_set; - drmModeCrtcPtr saved_crtc; + 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; - drmModePropertyPtr dpms_prop; - drmModePropertyBlobPtr edid_blob; - bool wants_plane; - uint32_t plane_id; - bool plane_set; + 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; + QString clone_source; + QVector<QKmsPlane> available_planes; void restoreMode(QKmsDevice *device); void cleanup(QKmsDevice *device); @@ -121,11 +201,11 @@ struct QKmsOutput class QKmsDevice { public: - struct VirtualDesktopInfo { - VirtualDesktopInfo() : virtualIndex(0), isPrimary(false) { } - int virtualIndex; + struct ScreenInfo { + int virtualIndex = 0; QPoint virtualPos; - bool isPrimary; + bool isPrimary = false; + QKmsOutput output; }; QKmsDevice(QKmsScreenConfig *screenConfig, const QString &path = QString()); @@ -144,6 +224,10 @@ public: 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, @@ -153,16 +237,20 @@ protected: int crtcForConnector(drmModeResPtr resources, drmModeConnectorPtr connector); QPlatformScreen *createScreenForConnector(drmModeResPtr resources, drmModeConnectorPtr connector, - VirtualDesktopInfo *vinfo); + 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(); QKmsScreenConfig *m_screenConfig; QString m_path; int m_dri_fd; quint32 m_crtc_allocator; - quint32 m_connector_allocator; + + QVector<QKmsPlane> m_planes; private: Q_DISABLE_COPY(QKmsDevice) |