iOS graphical interface optimization-instrument

1, graphical interface optimization open Instrument for the following choices:

The bottom left corner option works:

1,color blended layers : let you know which layer (texture) is marked as transparent, that is, the GPU needs to do compositing work. Synthetic opaque layers are much less work than transparent layers, because there are not so many mathematical operations inside.

2, color misaligned images: detects if pixels are aligned, when there are pixels misaligned in the Calayer, show the problem.

3, color Hits Green and Misses red: Green represents whenever an off-screen buffer is reused, while red represents when the buffer is recreated.

4. Color offscreen-rendered Yellow: It will label the area that has been rendered to the out-of-screen buffer yellow. Also make sure to tick the color Hits Green and Misses red option.