2015-04-09 15:49:32 +03:00
|
|
|
/********************************************************************
|
|
|
|
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 <QImage>
|
|
|
|
#include <QSize>
|
|
|
|
#include <xf86drmMode.h>
|
|
|
|
|
2015-04-10 11:44:07 +03:00
|
|
|
struct gbm_bo;
|
|
|
|
struct gbm_surface;
|
|
|
|
|
2015-04-09 15:49:32 +03:00
|
|
|
namespace KWin
|
|
|
|
{
|
|
|
|
|
|
|
|
class Udev;
|
|
|
|
|
|
|
|
class DrmBuffer;
|
2015-04-14 12:25:16 +03:00
|
|
|
class DrmOutput;
|
2015-04-09 15:49:32 +03:00
|
|
|
|
|
|
|
class KWIN_EXPORT DrmBackend : public AbstractBackend
|
|
|
|
{
|
|
|
|
Q_OBJECT
|
|
|
|
public:
|
|
|
|
explicit DrmBackend(QObject *parent = nullptr);
|
|
|
|
virtual ~DrmBackend();
|
|
|
|
|
|
|
|
Screens *createScreens(QObject *parent = nullptr) override;
|
|
|
|
QPainterBackend *createQPainterBackend() override;
|
2015-04-10 11:44:07 +03:00
|
|
|
OpenGLBackend* createOpenGLBackend() override;
|
2015-04-13 17:25:34 +03:00
|
|
|
void installCursorFromServer() override;
|
|
|
|
void installCursorImage(Qt::CursorShape shape) override;
|
2015-04-09 15:49:32 +03:00
|
|
|
|
|
|
|
void init();
|
|
|
|
DrmBuffer *createBuffer(const QSize &size);
|
2015-04-10 11:44:07 +03:00
|
|
|
DrmBuffer *createBuffer(gbm_surface *surface);
|
2015-04-09 15:49:32 +03:00
|
|
|
void present(DrmBuffer *buffer);
|
2015-04-17 12:16:00 +03:00
|
|
|
void present(DrmBuffer *buffer, DrmOutput *output);
|
2015-04-09 15:49:32 +03:00
|
|
|
|
2015-04-14 12:25:16 +03:00
|
|
|
QSize size() const;
|
2015-04-09 15:49:32 +03:00
|
|
|
int fd() const {
|
|
|
|
return m_fd;
|
|
|
|
}
|
2015-04-17 12:13:31 +03:00
|
|
|
QVector<DrmOutput*> outputs() const {
|
|
|
|
return m_outputs;
|
|
|
|
}
|
2015-04-09 15:49:32 +03:00
|
|
|
|
|
|
|
Q_SIGNALS:
|
|
|
|
void screensQueried();
|
|
|
|
|
|
|
|
private:
|
2015-04-13 10:23:03 +03:00
|
|
|
static void pageFlipHandler(int fd, unsigned int frame, unsigned int sec, unsigned int usec, void *data);
|
2015-04-09 15:49:32 +03:00
|
|
|
void openDrm();
|
2015-04-15 19:26:25 +03:00
|
|
|
void activate(bool active);
|
|
|
|
void reactivate();
|
|
|
|
void deactivate();
|
2015-04-09 15:49:32 +03:00
|
|
|
void queryResources();
|
2015-04-13 17:25:34 +03:00
|
|
|
void setCursor();
|
|
|
|
void updateCursor();
|
|
|
|
void hideCursor();
|
|
|
|
void moveCursor();
|
|
|
|
void initCursor();
|
2015-04-09 15:49:32 +03:00
|
|
|
QScopedPointer<Udev> m_udev;
|
|
|
|
int m_fd = -1;
|
|
|
|
int m_drmId = 0;
|
2015-04-14 12:25:16 +03:00
|
|
|
QVector<DrmOutput*> m_outputs;
|
|
|
|
DrmBuffer *m_cursor[2];
|
|
|
|
int m_cursorIndex = 0;
|
|
|
|
int m_pageFlipsPending = 0;
|
2015-04-15 19:26:25 +03:00
|
|
|
bool m_active = false;
|
2015-04-14 12:25:16 +03:00
|
|
|
};
|
|
|
|
|
|
|
|
class DrmOutput
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
virtual ~DrmOutput();
|
|
|
|
void showCursor(DrmBuffer *buffer);
|
|
|
|
void hideCursor();
|
|
|
|
void moveCursor(const QPoint &globalPos);
|
|
|
|
bool present(DrmBuffer *buffer);
|
|
|
|
void pageFlipped();
|
|
|
|
void init();
|
2015-04-15 19:26:25 +03:00
|
|
|
void restoreSaved();
|
|
|
|
void blank();
|
2015-04-14 12:25:16 +03:00
|
|
|
|
|
|
|
QSize size() const;
|
2015-04-17 12:13:31 +03:00
|
|
|
QRect geometry() const;
|
2015-04-14 12:25:16 +03:00
|
|
|
|
|
|
|
private:
|
|
|
|
friend class DrmBackend;
|
|
|
|
DrmOutput(DrmBackend *backend);
|
|
|
|
void cleanupBlackBuffer();
|
2015-04-16 14:23:33 +03:00
|
|
|
bool setMode(DrmBuffer *buffer);
|
2015-04-14 12:25:16 +03:00
|
|
|
|
|
|
|
DrmBackend *m_backend;
|
|
|
|
QPoint m_globalPos;
|
2015-04-09 15:49:32 +03:00
|
|
|
quint32 m_crtcId = 0;
|
|
|
|
quint32 m_connector = 0;
|
2015-04-16 14:23:33 +03:00
|
|
|
quint32 m_lastStride = 0;
|
2015-04-09 15:49:32 +03:00
|
|
|
drmModeModeInfo m_mode;
|
2015-04-14 12:25:16 +03:00
|
|
|
DrmBuffer *m_currentBuffer = nullptr;
|
|
|
|
DrmBuffer *m_blackBuffer = nullptr;
|
|
|
|
struct CrtcCleanup {
|
|
|
|
static void inline cleanup(_drmModeCrtc *ptr) {
|
|
|
|
drmModeFreeCrtc(ptr);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
QScopedPointer<_drmModeCrtc, CrtcCleanup> m_savedCrtc;
|
2015-04-09 15:49:32 +03:00
|
|
|
};
|
|
|
|
|
|
|
|
class DrmBuffer
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
~DrmBuffer();
|
|
|
|
|
2015-04-13 17:25:34 +03:00
|
|
|
bool map(QImage::Format format = QImage::Format_RGB32);
|
2015-04-09 15:49:32 +03:00
|
|
|
QImage *image() const {
|
|
|
|
return m_image;
|
|
|
|
}
|
2015-04-14 12:25:16 +03:00
|
|
|
quint32 handle() const {
|
|
|
|
return m_handle;
|
|
|
|
}
|
|
|
|
const QSize &size() const {
|
|
|
|
return m_size;
|
|
|
|
}
|
|
|
|
quint32 bufferId() const {
|
|
|
|
return m_bufferId;
|
|
|
|
}
|
2015-04-16 14:23:33 +03:00
|
|
|
quint32 stride() const {
|
|
|
|
return m_stride;
|
|
|
|
}
|
2015-04-14 12:25:16 +03:00
|
|
|
void releaseGbm();
|
2015-04-09 15:49:32 +03:00
|
|
|
|
|
|
|
private:
|
|
|
|
friend class DrmBackend;
|
|
|
|
DrmBuffer(DrmBackend *backend, const QSize &size);
|
2015-04-10 11:44:07 +03:00
|
|
|
DrmBuffer(DrmBackend *backend, gbm_surface *surface);
|
2015-04-09 15:49:32 +03:00
|
|
|
DrmBackend *m_backend;
|
2015-04-10 11:44:07 +03:00
|
|
|
gbm_surface *m_surface = nullptr;
|
|
|
|
gbm_bo *m_bo = nullptr;
|
2015-04-09 15:49:32 +03:00
|
|
|
QSize m_size;
|
|
|
|
quint32 m_handle = 0;
|
|
|
|
quint32 m_bufferId = 0;
|
|
|
|
quint32 m_stride = 0;
|
|
|
|
quint64 m_bufferSize = 0;
|
|
|
|
void *m_memory = nullptr;
|
|
|
|
QImage *m_image = nullptr;
|
|
|
|
};
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|