[Bug 14031] Max Payne 2: GL_INVALID_OPERATION in texture_activate_dimensions

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=14031





--- Comment #1 from Alexander Dorofeyev <alexd4 at inbox.lv>  2008-06-21 09:21:14 ---
Unfortunately, as of now I know very little about shaders, so where shaders are
involved I can't help much, I'm afraid. Stefan or Roderick may know more about
this. I may hazard a guess that some advanced d3d9 features are poorly
supported on Geforce FX series GPUs, because some opengl features emulation
relies on are not present on them and/or an alternative codepath is needed that
is not implemented.

With functions applyign states call stack usually is quite useless. State
changes made by some d3d calls are cached internally by wined3d then are
applied when it becomes necessary - usually before primitives are rendered or
something. If you are interested in collecting more info on this bug, hacking
the function to print some values is more useful. state and bumpmap are the
ones that are important there.


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