[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 #8 from swswine at gmail.com ---
(In reply to gamiljydcome from comment #7)
> Hi, swswine.
> 
> The new temp patch indeed work. I have fellowed questions:
> 
> 1. Does still HW vertex blend increase D3D9_MAX_VERTEX_SHADER_CONSTANTF to
> 1024? 
> 
Sorry, I did not understand the question. Could you please explain in some
other words?

> 2. I thinl my Intel have 4096 registers detected by
> gl_info->limits.glsl_ps_float_constants(dlls/wined3d/shader.c), So does it
> means i can change you patch 1024 to 4096 won't import potential bugs? 
> 

Yes, log you sent previously says that 4096 uniform float constants are
supported. When you are using my IVB patch without uniform buffers support, the
actual number of uniform floats used in glsl shader is >2k. 

Just to note, changing the limit even above your actual limit won't lead to an
error immediately, only if some application will actually try to use more
constants that GL supports.

If you will be changing the constants please mind that
D3D9_MAX_VERTEX_SHADER_CONSTANTF in d3d9/d3d9_private.h is not the only place,
there is also a structure initialization in wined3d/shader.c (see in the
patch). 

BTW maybe here https://bugs.winehq.org/show_bug.cgi?id=8051#c118 the fix has
only partial effect due to this reason. It would be interesting if you can test
Sims 2 with my patch (you can apply the temporary constants patch alone without
IVB if Sims 2 is not using IVB); I don't have Sims 2 yet to test myself

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