[Mesa-dev] [RFC 01/27] i965: Remove unused sampler key fields

[Kenneth Graunke]

On 02/24/2014 10:48 AM, Ian Romanick wrote:
> It seems very weird that these are unused.  Are GL_YCBCR_MESA just
> completely broken on our driver?  If so, we should probably disable that
> extension...

Yeah.  The old fragment shader backend had code for this, which used
these fields, but the new backend never had any.  So, I'm pretty sure
GL_YCBCR_MESA has just been broken since Mesa 7.10.

I'm in favor of dropping it.  I think mplayer had code to use it, and
they've just moved on to other paths at this point.

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