[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


Stefan Dösinger <stefandoesinger at gmx.at> changed:

           What    |Removed                     |Added
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                 CC|                            |stefandoesinger at gmx.at




--- Comment #17 from Stefan Dösinger <stefandoesinger at gmx.at>  2008-07-18 21:33:09 ---
I guess the problem is related to conditional non power of two (NP2) textures
and shaders, in which case c088edeae7fed4645fa3f34fb5bacc1eeaa87706 should have
fixed the problem.

Nvidia Geforce 6+ cards and Radeon HD 2000+ cards were never affected of the
issue because they have unconditional NP2 support.

If the game runs slow during the rendering of the former broken scenes, I can
think of two possibilities:
* There is a screen readback done which takes ages
* There is a bug which causes Wine to overstep the limits of conditional NP2
textures, thus causing the driver to fall back to software rendering
Since the bug report indicates that it was slow before the regression, and is
even slower since the fix, I guess it's both cases.


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