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      1 /*
      2 // Copyright(c)2014 IntelCorporation
      3 //
      4 // LicensedundertheApacheLicense,Version2.0(the"License");
      5 // youmaynotusethisfileexceptincompliancewiththeLicense.
      6 // YoumayobtainacopyoftheLicenseat
      7 //
      8 // http://www.apache.org/licenses/LICENSE-2.0
      9 //
     10 // Unlessrequiredbyapplicablelaworagreedtoinwriting,software
     11 // distributedundertheLicenseisdistributedonan"ASIS"BASIS,
     12 // WITHOUTWARRANTIESORCONDITIONSOFANYKIND,eitherexpressorimplied.
     13 // SeetheLicenseforthespecificlanguagegoverningpermissionsand
     14 // limitationsundertheLicense.
     15 */
     16 #ifndef HWC_LAYER_LIST_H
     17 #define HWC_LAYER_LIST_H
     18 
     19 #include <Dump.h>
     20 #include <hardware/hwcomposer.h>
     21 #include <utils/SortedVector.h>
     22 #include <DataBuffer.h>
     23 #include <DisplayPlane.h>
     24 #include <DisplayPlaneManager.h>
     25 #include <HwcLayer.h>
     26 
     27 namespace android {
     28 namespace intel {
     29 
     30 
     31 class HwcLayerList {
     32 public:
     33     HwcLayerList(hwc_display_contents_1_t *list, int disp);
     34     virtual ~HwcLayerList();
     35 
     36 public:
     37     virtual bool initialize();
     38     virtual void deinitialize();
     39 
     40     virtual bool update(hwc_display_contents_1_t *list);
     41     virtual DisplayPlane* getPlane(uint32_t index) const;
     42 
     43     void postFlip();
     44 
     45     // dump interface
     46     virtual void dump(Dump& d);
     47 
     48 private:
     49     bool checkSupported(int planeType, HwcLayer *hwcLayer);
     50     bool checkCursorSupported(HwcLayer *hwcLayer);
     51     bool allocatePlanes();
     52     bool assignCursorPlanes();
     53     bool assignCursorPlanes(int index, int planeNumber);
     54     bool assignOverlayPlanes();
     55     bool assignOverlayPlanes(int index, int planeNumber);
     56     bool assignSpritePlanes();
     57     bool assignSpritePlanes(int index, int planeNumber);
     58     bool assignPrimaryPlane();
     59     bool assignPrimaryPlaneHelper(HwcLayer *hwcLayer, int zorder = -1);
     60     bool attachPlanes();
     61     bool useAsFrameBufferTarget(HwcLayer *target);
     62     bool hasIntersection(HwcLayer *la, HwcLayer *lb);
     63     void addStaticLayerSize(HwcLayer *hwcLayer);
     64     bool checkStaticLayerSize();
     65     ZOrderLayer* addZOrderLayer(int type, HwcLayer *hwcLayer, int zorder = -1);
     66     void removeZOrderLayer(ZOrderLayer *layer);
     67     void setupSmartComposition();
     68     bool setupSmartComposition2();
     69     void dump();
     70 
     71 private:
     72     class HwcLayerVector : public SortedVector<HwcLayer*> {
     73     public:
     74         HwcLayerVector() {}
     75         virtual int do_compare(const void* lhs, const void* rhs) const {
     76             const HwcLayer* l = *(HwcLayer**)lhs;
     77             const HwcLayer* r = *(HwcLayer**)rhs;
     78             // sorted from index 0 to n
     79             return l->getIndex() - r->getIndex();
     80         }
     81     };
     82 
     83     class PriorityVector : public SortedVector<HwcLayer*> {
     84     public:
     85         PriorityVector() {}
     86         virtual int do_compare(const void* lhs, const void* rhs) const {
     87             const HwcLayer* l = *(HwcLayer**)lhs;
     88             const HwcLayer* r = *(HwcLayer**)rhs;
     89             return r->getPriority() - l->getPriority();
     90         }
     91     };
     92 
     93     hwc_display_contents_1_t *mList;
     94     int mLayerCount;
     95 
     96     HwcLayerVector mLayers;
     97     HwcLayerVector mFBLayers;
     98     Vector<int> mStaticLayersIndex;
     99     PriorityVector mSpriteCandidates;
    100     PriorityVector mOverlayCandidates;
    101     PriorityVector mCursorCandidates;
    102     ZOrderConfig mZOrderConfig;
    103     HwcLayer *mFrameBufferTarget;
    104     int mDisplayIndex;
    105     int mLayerSize;
    106 };
    107 
    108 } // namespace intel
    109 } // namespace android
    110 
    111 
    112 #endif /* HWC_LAYER_LIST_H */
    113