kwin/src/plugins/platforms/drm/drm_buffer.h
2021-07-10 20:13:01 +02:00

79 lines
1.4 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KWIN_DRM_BUFFER_H
#define KWIN_DRM_BUFFER_H
#include <QImage>
#include <QSize>
namespace KWin
{
class DrmGpu;
class DrmBuffer
{
public:
DrmBuffer(DrmGpu *gpu);
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;
}
DrmGpu *gpu() const {
return m_gpu;
}
protected:
quint32 m_bufferId = 0;
QSize m_size;
DrmGpu *m_gpu;
};
class DrmDumbBuffer : public DrmBuffer
{
public:
DrmDumbBuffer(DrmGpu *gpu, const QSize &size);
~DrmDumbBuffer() override;
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;
}
void *data() const {
return m_memory;
}
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