kwin/plugins/platforms/drm/scene_qpainter_drm_backend.h
Xaver Hugl b50f747876 Multi-GPU output support on Wayland
This commit sets up udev and the DrmBackend to list and use all GPUs.

BUG: 425586
BUG: 417323
2020-10-05 21:05:55 +00:00

51 lines
1.2 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_SCENE_QPAINTER_DRM_BACKEND_H
#define KWIN_SCENE_QPAINTER_DRM_BACKEND_H
#include <platformsupport/scenes/qpainter/backend.h>
#include <QObject>
#include <QVector>
namespace KWin
{
class DrmBackend;
class DrmDumbBuffer;
class DrmOutput;
class DrmGpu;
class DrmQPainterBackend : public QObject, public QPainterBackend
{
Q_OBJECT
public:
DrmQPainterBackend(DrmBackend *backend, DrmGpu *gpu);
~DrmQPainterBackend() override;
QImage *buffer() override;
QImage *bufferForScreen(int screenId) override;
bool needsFullRepaint() const override;
bool usesOverlayWindow() const override;
void prepareRenderingFrame() override;
void present(int mask, const QRegion &damage) override;
bool perScreenRendering() const override;
private:
void initOutput(DrmOutput *output);
struct Output {
DrmDumbBuffer *buffer[2];
DrmOutput *output;
int index = 0;
};
QVector<Output> m_outputs;
DrmBackend *m_backend;
DrmGpu *m_gpu;
};
}
#endif