kwin/plugins/platforms/drm/drm_object_crtc.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

80 lines
1.4 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2016 Roman Gilg <subdiff@gmail.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KWIN_DRM_OBJECT_CRTC_H
#define KWIN_DRM_OBJECT_CRTC_H
#include "drm_object.h"
namespace KWin
{
class DrmBackend;
class DrmBuffer;
class DrmDumbBuffer;
class GammaRamp;
class DrmGpu;
class DrmCrtc : public DrmObject
{
public:
DrmCrtc(uint32_t crtc_id, DrmBackend *backend, DrmGpu *gpu, int resIndex);
~DrmCrtc() override;
bool atomicInit() override;
enum class PropertyIndex {
ModeId = 0,
Active,
Count
};
bool initProps() override;
int resIndex() const {
return m_resIndex;
}
DrmBuffer *current() {
return m_currentBuffer;
}
DrmBuffer *next() {
return m_nextBuffer;
}
void setNext(DrmBuffer *buffer) {
m_nextBuffer = buffer;
}
void flipBuffer();
bool blank();
int gammaRampSize() const {
return m_gammaRampSize;
}
bool setGammaRamp(const GammaRamp &gamma);
DrmGpu *gpu() {
return m_gpu;
}
private:
int m_resIndex;
uint32_t m_gammaRampSize = 0;
DrmBuffer *m_currentBuffer = nullptr;
DrmBuffer *m_nextBuffer = nullptr;
DrmDumbBuffer *m_blackBuffer = nullptr;
DrmBackend *m_backend;
DrmGpu *m_gpu;
};
}
#endif