91 lines
2 KiB
C++
91 lines
2 KiB
C++
/********************************************************************
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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 (C) 2013 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_WAYLAND_SHM_POOL_H
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#define KWIN_WAYLAND_SHM_POOL_H
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#include <QObject>
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class QImage;
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class QSize;
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class QTemporaryFile;
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struct wl_shm;
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struct wl_buffer;
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struct wl_shm_pool;
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namespace KWin
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{
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namespace Wayland
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{
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class Buffer;
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class ShmPool : public QObject
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{
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Q_OBJECT
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public:
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explicit ShmPool(QObject *parent = nullptr);
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virtual ~ShmPool();
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bool isValid() const;
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void setup(wl_shm *shm);
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void release();
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void destroy();
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wl_buffer *createBuffer(const QImage &image);
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wl_buffer *createBuffer(const QSize &size, int32_t stride, const void *src);
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void *poolAddress() const;
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Buffer *getBuffer(const QSize &size, int32_t stride);
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wl_shm *shm();
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Q_SIGNALS:
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void poolResized();
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private:
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bool createPool();
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bool resizePool(int32_t newSize);
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wl_shm *m_shm;
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wl_shm_pool *m_pool;
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void *m_poolData;
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int32_t m_size;
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QScopedPointer<QTemporaryFile> m_tmpFile;
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bool m_valid;
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int m_offset;
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QList<Buffer*> m_buffers;
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};
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inline
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bool ShmPool::isValid() const
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{
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return m_valid;
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}
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inline
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void* ShmPool::poolAddress() const
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{
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return m_poolData;
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}
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inline
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wl_shm *ShmPool::shm()
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{
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return m_shm;
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}
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}
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}
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#endif
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