62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
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/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright 2017 Roman Gilg <subdiff@gmail.com>
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Copyright 2015 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#ifndef KWIN_DRM_BUFFER_GBM_H
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#define KWIN_DRM_BUFFER_GBM_H
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#include "drm_buffer.h"
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struct gbm_bo;
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struct gbm_surface;
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namespace KWin
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{
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class DrmBackend;
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class DrmSurfaceBuffer : public DrmBuffer
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{
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public:
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DrmSurfaceBuffer(DrmBackend *backend, gbm_surface *surface);
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~DrmSurfaceBuffer();
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bool needsModeChange(DrmBuffer *b) const override {
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if (DrmSurfaceBuffer *sb = dynamic_cast<DrmSurfaceBuffer*>(b)) {
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return hasBo() != sb->hasBo();
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} else {
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return true;
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}
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}
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bool hasBo() const {
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return m_bo != nullptr;
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}
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void releaseGbm() override;
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private:
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gbm_surface *m_surface = nullptr;
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gbm_bo *m_bo = nullptr;
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};
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}
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#endif
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