/usr/include/libdmr/compositing_manager.h is in libdmr-dev 3.2.3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* (c) 2017, Deepin Technology Co., Ltd. <support@deepin.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
* NON-INFRINGEMENT. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
#ifndef _DMR_COMPOSITING_MANAGER
#define _DMR_COMPOSITING_MANAGER
#include <QtCore>
#include <string>
#include <vector>
namespace dmr {
enum Platform {
Unknown,
X86, // intel & amd
Mips, // loongson
Alpha // sunway
};
enum OpenGLInteropKind {
INTEROP_NONE,
INTEROP_VAAPI_EGL,
INTEROP_VAAPI_GLX,
INTEROP_VDPAU_GLX,
};
using PlayerOption = QPair<QString, QString>;
using PlayerOptionList = QList<PlayerOption>;
class CompositingManager: public QObject {
public:
static CompositingManager& get();
virtual ~CompositingManager();
/**
* should call this before any other qt functions get exec'ed.
* this makes sure mpv openglcb-interop to work correctly
*/
static void detectOpenGLEarly();
/**
* get detectOpenGLEarly result
*/
static OpenGLInteropKind interopKind();
/**
* override auto-detected compositing state.
* should call this right before player engine gets instantiated.
*/
void overrideCompositeMode(bool useCompositing);
// this actually means opengl rendering is capable
bool composited() const { return _composited; }
Platform platform() const { return _platform; }
PlayerOptionList getProfile(const QString& name);
PlayerOptionList getBestProfile(); // best for current platform and env
signals:
void compositingChanged(bool);
private:
CompositingManager();
bool isDriverLoadedCorrectly();
bool isDirectRendered();
bool isProprietaryDriver();
bool is_device_viable(int id);
bool is_card_exists(const std::vector<std::string>& drivers);
bool _composited {false};
Platform _platform {Platform::Unknown};
};
}
#endif /* ifndef _DMR_COMPOSITING_MANAGER */
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