[Mesa-dev] [PATCH 0/4] import the txc_dxtn code from libtxc_dxtn into mesa (Was: Merge floating to master)

Corbin Simpson mostawesomedude at gmail.com
Mon Mar 7 09:28:53 PST 2011

--enable-float-formats should be fine.

Stop messing with S3TC. I think things like my previous attempt to
language-lawyer S3TC compatibility in without any patented code are a
better use of time than silly patches to shoehorn it in to the
detriment of the rest of us.

On Mon, Mar 7, 2011 at 3:49 AM, Jon Severinsson <jon at severinsson.net> wrote:
> At Mon Mar 7, 2011 at 09:59:08, Jose Fonseca wrote:
>> First, I don't agree with a one-size-fits-all enable-patented flag at all.
> Would something like --enable-patented=floating,s3tc (with plain --enable-
> patented enabling all of it for those of us in jurisdictions without swpat)
> work for you?
> At Mon Mar 7, 2011 at 09:59:08, Jose Fonseca wrote:
>> And I agree with Dave -- the current dynamic library approach is much
>> better.
> Well, except that floating can't be (easily) implemented using it, and if you
> are going to recompile mesa anyway...
> At Mon Mar 7, 2011 at 09:59:08, Jose Fonseca wrote:
>> So let's not put everything in the same basket, and focus on the issue at
>> hand, the floating point feature.
> Of course, this was intended for action after floating was merged.
> At Mon Mar 7, 2011 at 11:04:08, Dave Airlie wrote:
>> Not sure what country you are in (I'm guessing France) that doesn't
>> but the float patent texture is for hw/sw and isn't a swpat, so I'm
>> guessing EU law applies just as much.
> If the float patent isn't a swpat, why hide it behind --enable-patented at all?
> If it a hwpat only the hw can infringe, and a licence for the hw is presumably
> taken care of by the hw vendor.  If Mesa (a pure sw product) is able to
> infringe on it, it is (at least partly) a swpat, and as such not
> valid/enforceable in most of the world  (standard IANAL disclaimer applies).
> If the floating2 branch can be merged into master without an --enabled-patented
> switch the entire rationale for this patch series disappears (at least for
> now).
> Regards
> Jon Severinsson
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When the facts change, I change my mind. What do you do, sir? ~ Keynes

Corbin Simpson
<MostAwesomeDude at gmail.com>

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