kwin/backends/drm/drm_backend.h
2016-04-07 16:18:12 +02:00

137 lines
3.7 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
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 <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef KWIN_DRM_BACKEND_H
#define KWIN_DRM_BACKEND_H
#include "abstract_backend.h"
#include "input.h"
#include "drm_buffer.h"
#include "drm_inputeventfilter.h"
#include "drm_pointer.h"
#include <QElapsedTimer>
#include <QImage>
#include <QPointer>
#include <QSize>
#include <xf86drmMode.h>
struct gbm_bo;
struct gbm_surface;
namespace KWayland
{
namespace Server
{
class OutputInterface;
class OutputDeviceInterface;
class OutputChangeSet;
class OutputManagementInterface;
}
}
namespace KWin
{
class Udev;
class UdevMonitor;
class DrmOutput;
class KWIN_EXPORT DrmBackend : public Platform
{
Q_OBJECT
Q_INTERFACES(KWin::Platform)
Q_PLUGIN_METADATA(IID "org.kde.kwin.Platform" FILE "drm.json")
public:
explicit DrmBackend(QObject *parent = nullptr);
virtual ~DrmBackend();
void configurationChangeRequested(KWayland::Server::OutputConfigurationInterface *config) override;
Screens *createScreens(QObject *parent = nullptr) override;
QPainterBackend *createQPainterBackend() override;
OpenGLBackend* createOpenGLBackend() override;
void init() override;
DrmBuffer *createBuffer(const QSize &size);
DrmBuffer *createBuffer(gbm_surface *surface);
void present(DrmBuffer *buffer, DrmOutput *output);
QSize size() const;
int fd() const {
return m_fd;
}
QVector<DrmOutput*> outputs() const {
return m_outputs;
}
QVector<DrmBuffer*> buffers() const {
return m_buffers;
}
void bufferDestroyed(DrmBuffer *b);
void outputWentOff();
void checkOutputsAreOn();
public Q_SLOTS:
void turnOutputsOn();
Q_SIGNALS:
void outputRemoved(KWin::DrmOutput *output);
void outputAdded(KWin::DrmOutput *output);
private:
static void pageFlipHandler(int fd, unsigned int frame, unsigned int sec, unsigned int usec, void *data);
void openDrm();
void activate(bool active);
void reactivate();
void deactivate();
void queryResources();
void setCursor();
void updateCursor();
void hideCursor();
void moveCursor();
void initCursor();
quint32 findCrtc(drmModeRes *res, drmModeConnector *connector, bool *ok = nullptr);
bool crtcIsUsed(quint32 crtc);
void outputDpmsChanged();
void readOutputsConfiguration();
QByteArray generateOutputConfigurationUuid() const;
DrmOutput *findOutput(quint32 connector);
DrmOutput *findOutput(const QByteArray &uuid);
QScopedPointer<Udev> m_udev;
QScopedPointer<UdevMonitor> m_udevMonitor;
int m_fd = -1;
int m_drmId = 0;
QVector<DrmOutput*> m_outputs;
DrmBuffer *m_cursor[2];
int m_cursorIndex = 0;
int m_pageFlipsPending = 0;
bool m_active = false;
QVector<DrmBuffer*> m_buffers;
QScopedPointer<DpmsInputEventFilter> m_dpmsFilter;
KWayland::Server::OutputManagementInterface *m_outputManagement = nullptr;
};
}
#endif