[Bug 7284] Max Payne 2 light reflections on people are too bright and blocky

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=7284





--- Comment #32 from Alexander Dorofeyev <alexd4 at inbox.lv>  2009-03-28 19:57:35 ---
Created an attachment (id=20180)
 --> (http://bugs.winehq.org/attachment.cgi?id=20180)
hack for rcp in glsl backend

As an experiment, this simple hack for glsl shader backend seems to actually
fix lighting in the game, it clamps result of rcp.

Though proper fix probably will need to be done conditionally (need to check my
theory that this is influenced by shader model version) and if indeed 1.x
differs from 2.x and later in such ways (generating and propagating Inf and NaN
vs clamping to some border value), then it's probably a broader issue and may
also be affecting other opcodes like rsq.


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