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Commit effae7fc authored by Jamie Gennis's avatar Jamie Gennis
Browse files

Implement reducing the buffer count of a Surface. 

Change-Id: I7f979c60c06d654aa8265002836277434bc1a64f
Bug: 3095167
parent 5f0cb5c6

include/private/surfaceflinger/SharedBufferStack.h

+10 −0
Original line number Diff line number Diff line
@@ -285,6 +285,8 @@ public: 
    uint32_t getTransform(int buffer) const;



    status_t resize(int newNumBuffers);

    status_t grow(int newNumBuffers);

    status_t shrink(int newNumBuffers);



    SharedBufferStack::Statistics getStats() const;
@@ -346,6 +348,14 @@ private: 
    int mNumBuffers;

    BufferList mBufferList;



    struct BuffersAvailableCondition : public ConditionBase {

        int mNumBuffers;

        inline BuffersAvailableCondition(SharedBufferServer* sbs,

                int numBuffers);

        inline bool operator()() const;

        inline const char* name() const { return "BuffersAvailableCondition"; }

    };



    struct UnlockUpdate : public UpdateBase {

        const int lockedBuffer;

        inline UnlockUpdate(SharedBufferBase* sbb, int lockedBuffer);