CATiledLayer double drawing

Originator:michael.g.bernardo
Number:rdar://10973178 Date Originated:02-Mar-2012 02:20 PM
Status:Open Resolved:
Product:iPad SDK Product Version:5.0
Classification:performance Reproducible:always
 
02-Mar-2012 02:20 PM Michael BERNARDO:
Summary:

When using CATiledLayer to back UIView drawing, requests to drawRect: are made twice for every tile.

Steps to Reproduce:

See attached sample app and run. Observe output.

Expected Results:

Only one drawRect: request is made per tile.

Actual Results:

Two drawRect: requests are made per tile.


02-Mar-2012 02:20 PM Michael BERNARDO:
'CATileDrawingTest.zip' was successfully uploaded

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