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      1 /*
      2  * Copyright (C) 2012-2013, The Linux Foundation. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *   * Redistributions of source code must retain the above copyright
      8  *     notice, this list of conditions and the following disclaimer.
      9  *   * Redistributions in binary form must reproduce the above
     10  *     copyright notice, this list of conditions and the following
     11  *     disclaimer in the documentation and/or other materials provided
     12  *     with the distribution.
     13  *   * Neither the name of The Linux Foundation or the names of its
     14  *     contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     18  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     24  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     25  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     26  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #ifndef INCLUDE_LIBQCOM_COMPTYPES
     31 #define INCLUDE_LIBQCOM_COMPTYPES
     32 
     33 #include <stdint.h>
     34 #include <utils/Singleton.h>
     35 #include <cutils/properties.h>
     36 
     37 using namespace android;
     38 namespace qdutils {
     39 // Enum containing the supported composition types
     40 enum {
     41     COMPOSITION_TYPE_GPU = 0,
     42     COMPOSITION_TYPE_MDP = 0x1,
     43     COMPOSITION_TYPE_C2D = 0x2,
     44     COMPOSITION_TYPE_CPU = 0x4,
     45     COMPOSITION_TYPE_DYN = 0x8
     46 };
     47 
     48 /* This class caches the composition type
     49  */
     50 class QCCompositionType : public Singleton <QCCompositionType>
     51 {
     52     public:
     53         QCCompositionType();
     54         ~QCCompositionType() { }
     55         int getCompositionType() {return mCompositionType;}
     56     private:
     57         int mCompositionType;
     58 
     59 };
     60 
     61 inline QCCompositionType::QCCompositionType()
     62 {
     63     char property[PROPERTY_VALUE_MAX];
     64     mCompositionType = COMPOSITION_TYPE_GPU;
     65     if (property_get("debug.composition.type", property, "gpu") > 0) {
     66         if ((strncmp(property, "mdp", 3)) == 0) {
     67             mCompositionType = COMPOSITION_TYPE_MDP;
     68         } else if ((strncmp(property, "c2d", 3)) == 0) {
     69             mCompositionType = COMPOSITION_TYPE_C2D;
     70         } else if ((strncmp(property, "dyn", 3)) == 0) {
     71 #ifdef USE_MDP3
     72             mCompositionType = COMPOSITION_TYPE_DYN | COMPOSITION_TYPE_MDP;
     73 #else
     74             mCompositionType = COMPOSITION_TYPE_DYN | COMPOSITION_TYPE_C2D;
     75 #endif
     76         }
     77     }
     78 }
     79 
     80 }; //namespace qdutils
     81 #endif //INCLUDE_LIBQCOM_COMPTYPES
     82