[Bug 47837] Intrusive graphics glitches .NET app - Logos Bible Software

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=47837

--- Comment #16 from m0rvj <johnpgoodman at gmail.com> ---
(In reply to Louis Lenders from comment #13)
> (In reply to m0rvj from comment #12)
> > Even with drr=gdi these glitches are back from wine 5.1 onwards. This seems
> > to be a quite big regression for us. 5.3 
> 
> 
> Hi m0rv, My guess is the "regression" is caused by commit:
> https://www.winehq.org/pipermail/wine-cvs/2020-January/141298.html
> 
> So winetricks is really at fault here i think; it should set the key
> HKEY_CURRENT_USER\\Software\\Wine\\Direct3D\renderer
> instead of 
> HKEY_CURRENT_USER\\Software\\Wine\\Direct3D\DirectDrawRenderer
> 
> Could you try if renaming the key from "DirectDrawRenderer" to "renderer"
> brings back the previous behaviour?
> 
> 
> That being said, two further notes:
> 
> 1. I`ve never seen these glitches while testing Logos. Does this happen for
> all users or only for a few ones? As I already said in previous comment, I`m
> guessing it`s related to graphics card/driver issue
> 
> 2. I`ve noticed that setting the aforementioned key (or disabling hardware
> acceleration via key
> https://docs.microsoft.com/en-us/dotnet/framework/wpf/graphics-multimedia/
> graphics-rendering-registry-settings) makes the videos _NOT_ play (!). They
> only play for me with "normal" settings (so no regkey set). But maybe some
> other settings might work around this again, don`t know, enough issues to
> keep us busy testing ;)
> 
> Regards

Once again thanks Louis, I've been too tied up to work on this for a few
months. The reg key change works for me. Do you understand why it works? Does
it mean we have a problem with intel drivers? Will it only apply to old intel
chipsets? In which case maybe I should be upgrading... don't want to though;)

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