http://bugs.winehq.org/show_bug.cgi?id=30232
--- Comment #9 from julusp@gmail.com 2012-04-03 05:50:21 CDT --- Created attachment 39662 --> http://bugs.winehq.org/attachment.cgi?id=39662 sample differenence with and without ati patch
As you can see from the screenshot of sampling IDirect3DDevice9Impl_DrawIndexedPrimitive after ATI patch is consuming most of the CPU.