kwin/plugins/platforms/drm/drm_buffer_gbm.h
2021-02-02 13:26:43 +00:00

65 lines
1.3 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2017 Roman Gilg <subdiff@gmail.com>
SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KWIN_DRM_BUFFER_GBM_H
#define KWIN_DRM_BUFFER_GBM_H
#include "drm_buffer.h"
#include <memory>
struct gbm_bo;
namespace KWaylandServer
{
class BufferInterface;
}
namespace KWin
{
class GbmSurface;
class DrmSurfaceBuffer : public DrmBuffer
{
public:
DrmSurfaceBuffer(int fd, const std::shared_ptr<GbmSurface> &surface);
DrmSurfaceBuffer(int fd, gbm_bo *buffer, KWaylandServer::BufferInterface *bufferInterface);
~DrmSurfaceBuffer() override;
bool needsModeChange(DrmBuffer *b) const override {
if (DrmSurfaceBuffer *sb = dynamic_cast<DrmSurfaceBuffer*>(b)) {
return hasBo() != sb->hasBo();
} else {
return true;
}
}
bool hasBo() const {
return m_bo != nullptr;
}
gbm_bo* getBo() const {
return m_bo;
}
void releaseGbm() override;
private:
std::shared_ptr<GbmSurface> m_surface;
gbm_bo *m_bo = nullptr;
KWaylandServer::BufferInterface *m_bufferInterface = nullptr;
void clearBufferInterface();
};
}
#endif