[Bug 16001] XVideo gamma curve is wrong at least for r300 chips

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=16001





--- Comment #7 from Alex Deucher <agd5f at yahoo.com>  2008-05-20 16:24:31 PST ---
I've gone ahead and pushed the first part of this since it makes a noticeable
improvement on r2xx/r3xx and the OV0_SCALE_CNTL setup is obviously wrong on
r2xx+.
The defaults for gamma 1.0 slope should be 0x100 according to the databooks, so
it appears that is correct too.
b7c80d0c86646105d2bce5d4d59ba6c45aa7cafc


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