[Bug 7644] Objects apear bright in Half life 2 except when being acted upon .

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=7644


Stefan Dösinger <stefandoesinger at gmx.at> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1




--- Comment #23 from Stefan Dösinger <stefandoesinger at gmx.at>  2007-10-30 13:40:39 ---
> I'm also experiencing this problem; I have a radeon mobility 9200 (R250) which
> should be direct-x 8.0 or possibly 8.1 compatible.
Yes, however the OpenGL limits screw this up on your card. The card supports
vertex shaders via GL_ARB_vertex_program just fine. The problem is that the
lowest general way to implement pixel shaders is GL_ARB_fragment_program, which
equals Shader Model 2.0 aka DirectX 9 shaders. This is not supported on your
card.

There is an option though via an ATI specific extension called
GL_ATI_fragment_shader. Unfortunately this would require a an additional
complete shader backend, which isn't only ATI specific, but also specific to
this very special type of cards. And since we don't even know if
ati_fragment_shader works on the dri driver nobody wrote one yet. Patches are
welcome ;-)


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