2e36f2283f
SurfaceFlinger's (Layer's) shadow copy of the BufferQueue queue was getting out of sync for a few reasons. This change fixes these by doing the following: - Adds a check to re-synchronize the shadow copy every time we successfully acquire a buffer by first dropping stale buffers before removing the current buffer. - Avoids trying to perform updates for buffers which have been rejected (for incorrect dimensions) by SurfaceFlinger. - Adds IGraphicBufferConsumer::setShadowQueueSize, which allows the consumer to notify the BufferQueue that it is maintaining a shadow copy of the queue and prevents it from dropping so many buffers during acquireBuffer that it ends up returning a buffer for which the consumer has not yet received an onFrameAvailable call. Bug: 20096136 Change-Id: I78d0738428005fc19b3be85cc8f1db498043612f |
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