[Bug 39578] Wined3d does not support vs_2_sw and vs_3_sw software vertex shaders

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=39578

--- Comment #16 from swswine at gmail.com ---
(In reply to gamiljydcome from comment #15)
> Created attachment 52881 [details]
> WINEDEBUG=+d3d,+d3d_shader,+d3d9 wrong  renderring trace log ~430M (radeon
> firegl v5700)
> 
> 
> I still doubt it's about you patch (ivb and float register).

I've tried some sampler (demo) of Sims2 which allows some character creation.
It behaves nearly as described in bug #8051: without constants increase patch
it aborts on start. Using my patch it starts but the model in model
customization screen (the only available in the demo) is showed in T pose and
completely red (no texture). It look it is not due to the number of constants,
it does not use much of them at all (just tries to clear 1024 constants on
start and aborts on error, that's why patch helps partially). After that I
could not find a clear reason for incorrect rendering by now. No shader
creation errors, no unsupported features which I could think of as related (the
game wants to use TANGENT vertex attribute somewhere, but I think it is
unlikely the reason for the observed glitches, it normally should affect
lighting effects only). So the reason of the glitches need to be searched
further. I don't think rendering problem is about software shaders
implementation, and it is surely not about the amount of supported constants.

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