[Mesa-dev] r300g + mesa/st support for EXT_texture_swizzle

[Dave Airlie]

On Fri, Jun 4, 2010 at 8:21 PM, Keith Whitwell <keithw at vmware.com> wrote:
> On Fri, 2010-06-04 at 03:10 -0700, Dave Airlie wrote:
>> On Tue, Apr 27, 2010 at 9:13 PM, Dave Airlie <airlied at gmail.com> wrote:
>> > Another trying to figure out gallium patch from me,
>> >
>> > This is in theory EXT_texture_swizzle support, r300g passes the glean
>> > test with this now.
>> >
>> > Some caveats in the patch (i.e. I'm not sure what exactly is correct
>> > state tracker behaviour wrt sampler views).
>>
>> Just realised I still have this sitting in my tree here,
>>
>> Updated version. only open question was whether we need a cap bit, vs
>> drivers just modifying their frag shaders.
>>
>> Dave.
>
> This looks good - supporting this extension was the intention behind
> adding swizzles to sampler views, so it's just as well (or about time)
> that someone's actually implemented that...
>
> In this case it should be easy to add a cap and tie it to the decision
> to advertise the extension or not.
>
> I'm not really excited by the thought of thousands of proliferating cap
> bits, but at least this one doesn't result in spaghetti in the state
> tracker.

Okay all checked in with a new CAP. enabled for softpipe and r300g.

Dave.