libqdutils/comptype.h

/*
 * Copyright (C) 2012-2013, The Linux Foundation. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *     with the distribution.
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 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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#ifndef INCLUDE_LIBQCOM_COMPTYPES
#define INCLUDE_LIBQCOM_COMPTYPES

#include <stdint.h>
#include <utils/Singleton.h>
#include <cutils/properties.h>

using namespace android;
namespace qdutils {
// Enum containing the supported composition types
enum {
    COMPOSITION_TYPE_GPU = 0,
    COMPOSITION_TYPE_MDP = 0x1,
    COMPOSITION_TYPE_C2D = 0x2,
    COMPOSITION_TYPE_CPU = 0x4,
    COMPOSITION_TYPE_DYN = 0x8
};

/* This class caches the composition type
 */
class QCCompositionType : public Singleton <QCCompositionType>
{
    public:
        QCCompositionType();
        ~QCCompositionType() { }
        int getCompositionType() {return mCompositionType;}
    private:
        int mCompositionType;

};

inline QCCompositionType::QCCompositionType()
{
    char property[PROPERTY_VALUE_MAX];
    mCompositionType = COMPOSITION_TYPE_GPU;
    if (property_get("debug.composition.type", property, "gpu") > 0) {
        if ((strncmp(property, "mdp", 3)) == 0) {
            mCompositionType = COMPOSITION_TYPE_MDP;
        } else if ((strncmp(property, "c2d", 3)) == 0) {
            mCompositionType = COMPOSITION_TYPE_C2D;
        } else if ((strncmp(property, "dyn", 3)) == 0) {
#ifdef USE_MDP3
            mCompositionType = COMPOSITION_TYPE_DYN | COMPOSITION_TYPE_MDP;
#else
            mCompositionType = COMPOSITION_TYPE_DYN | COMPOSITION_TYPE_C2D;
#endif
        }
    }
}

}; //namespace qdutils
#endif //INCLUDE_LIBQCOM_COMPTYPES