[Bug 30256] Ancients of Ooga: very slow rendering in mid game

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=30256

--- Comment #7 from GyB <gyebro69 at gmail.com> 2012-03-26 21:40:43 CDT ---
(In reply to comment #6)
> Created attachment 39561 [details]
> Hack to replace RGBA16 with RGBA8
> 
> (In reply to comment #4)
> > Reading the log I had another idea though. Could you try the patch from bug
> > 27879 and see if it helps here too?
> 
> Hmm, actually 6c5e109af7184ee557aa24c676cc78f3e92e6782 wasn't in 1.3.22, so the
> patch from that bug can't do any difference... Sorry about it.
> 
> I'm still thinking the slowdown may have to do with
> WINED3DFMT_R16G16B16A16_UNORM render targets + blending causing an emulation
> fallback in the GL driver, like bug 27879. The game uses such texture format as
> an additional render target which is "disabled" (not supported) by backbuffer
> ORM and may be broken before the regression patch.
> 
> The game doesn't really check for availability of the texture format and
> crashes if it can't create the WINED3DFMT_R16G16B16A16_UNORM render target;
> something like the attached hack is the only thing I could think of for another
> test.
> 
> I hope this hack helps, otherwise I'm pretty much at a loss...

Thanks, the hack did the trick and performance is back to normal.

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