[Bug 14038] Max Payne 2: bullet time screen filled with solid color

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=14038





--- Comment #29 from Tobias Jakobi <liquid.acid at gmx.net>  2008-07-19 11:56:45 ---
(In reply to comment #28)
> I don't think looking at old wine versions will help here. The patches pointed
> out switch the conditional NP2 support between different codepaths; Knowing
> which switch caused which behavior doesn't really give me further information.
OK, it don't bisect then :)

> What would be useful to know is this:
> * Does your card support GL_ARB_texture_non_power_of_two?
> * Which opengl version does your driver advertise?
My Geforce FX 5900 only provides (with driver version 173.14.09) the
GL_ARB_texture_rectangle/GL_NV_texture_rectangle extension. The NPOT extension
is not in the extension string.
OpenGL version string: 2.1.2 NVIDIA 173.14.09

> WineD3D has code to detect situations in which GL_ARB_texture_non_power_of_two
> is emulated, but so far only for ATI cards. This code is in directx.c, in the
> function fixup_extensions(), around line 3715 in today's git.
> 
> The two important lines are:
> gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO] = FALSE;
> gl_info->supported[WINE_NORMALIZED_TEXRECT] = TRUE;
> 
> For testing purposes, you can modify the code to run them unconditionally(ie,
> remove the if conditions around them), and see if that improves your
> performance. If it does, then you can modify the if conditions to blacklist
> ARB_TEXTURE_NON_POWER_OF_TWO and enable WINE_NORMALIZED_TEXRECT on GeForce FX
> cards.
> 
I'm going to try that out.

Greets,
Tobias


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