You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
2.0 KiB
C++
87 lines
2.0 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_BUFFER_H
|
|
#define KWIN_DRM_BUFFER_H
|
|
|
|
#include <QImage>
|
|
#include <QSize>
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
class DrmBackend;
|
|
|
|
class DrmBuffer
|
|
{
|
|
public:
|
|
DrmBuffer(DrmBackend *backend);
|
|
virtual ~DrmBuffer() = default;
|
|
|
|
virtual bool needsModeChange(DrmBuffer *b) const {Q_UNUSED(b) return false;}
|
|
|
|
quint32 bufferId() const {
|
|
return m_bufferId;
|
|
}
|
|
|
|
const QSize &size() const {
|
|
return m_size;
|
|
}
|
|
|
|
virtual void releaseGbm() {}
|
|
|
|
protected:
|
|
DrmBackend *m_backend;
|
|
quint32 m_bufferId = 0;
|
|
QSize m_size;
|
|
};
|
|
|
|
class DrmDumbBuffer : public DrmBuffer
|
|
{
|
|
public:
|
|
DrmDumbBuffer(DrmBackend *backend, const QSize &size);
|
|
~DrmDumbBuffer();
|
|
|
|
bool needsModeChange(DrmBuffer *b) const override;
|
|
|
|
bool map(QImage::Format format = QImage::Format_RGB32);
|
|
quint32 handle() const {
|
|
return m_handle;
|
|
}
|
|
QImage *image() const {
|
|
return m_image;
|
|
}
|
|
|
|
quint32 stride() const {
|
|
return m_stride;
|
|
}
|
|
|
|
private:
|
|
quint32 m_handle = 0;
|
|
quint64 m_bufferSize = 0;
|
|
void *m_memory = nullptr;
|
|
QImage *m_image = nullptr;
|
|
quint32 m_stride = 0;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|
|
|