141     struct State {  struct
142         Geometry active_legacy;
143         Geometry requested_legacy;
144         int32_t z;
151         uint32_t layerStack;
153         uint8_t flags;
154         uint8_t reserved[2];
155         int32_t sequence; // changes when visible regions can change
156         bool modified;
159         Rect crop_legacy;
160         Rect requestedCrop_legacy;
164         wp<Layer> barrierLayer_legacy;
188         // dataspace is only used by BufferStateLayer and ColorLayer  argument
191         // The fields below this point are only used by BufferStateLayer  argument
192         Geometry active;
194         uint32_t transform;
195         bool transformToDisplayInverse;
197         Rect crop;
198         Region transparentRegionHint;
200         sp<GraphicBuffer> buffer;
201         client_cache_t clientCacheId;
202         sp<Fence> acquireFence;
203         HdrMetadata hdrMetadata;
204         Region surfaceDamageRegion;
205         int32_t api;
207         sp<NativeHandle> sidebandStream;
208         mat4 colorTransform;
209         bool hasColorTransform;
214         sp<Layer> bgColorLayer;
218         std::deque<sp<CallbackHandle>> callbackHandles;
219         bool colorSpaceAgnostic;
391     virtual bool isOpaque(const Layer::State&) const { return false; }  in isOpaque()
699     virtual Rect getBufferSize(const Layer::State&) const { return Rect::INVALID_RECT; }  in getBufferSize()