Re: [Mesa3d-dev] [radeonhd] Re: Status of s3tc patent in respect to open-source drivers and workarounds

2010-03-29 Thread Philipp Klaus Krause
Corbin Simpson schrieb: > There is already a non-infringing decoder inside Mesa, wired up > correctly, that kicks in when the HW supports it, but there's no > extension that exposes only decoding and loading functionality. Not fort all of S3TC, but for DXT1 there is: EXT_texture_compression_dxt1

Re: [Mesa3d-dev] [radeonhd] Re: Status of s3tc patent in respect to open-source drivers and workarounds

2010-03-28 Thread Ian Romanick
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 SpliFF wrote: > So to clarify, you're saying a partial implementation (decoder only) > isn't an option at all? If you expose an extension it must be complete? See the documentation for glGetCompressedTexImage. -BEGIN PGP SIGNATURE- Version: Gn

Re: [Mesa3d-dev] [radeonhd] Re: Status of s3tc patent in respect to open-source drivers and workarounds

2010-03-28 Thread SpliFF
On 03/29/10 15:34, Corbin Simpson wrote: > > There is already a non-infringing decoder inside Mesa, wired up > correctly, that kicks in when the HW supports it, but there's no > extension that exposes only decoding and loading functionality. As Ian > said, you need an encoder as well, and no HW has

Re: [Mesa3d-dev] [radeonhd] Re: Status of s3tc patent in respect to open-source drivers and workarounds

2010-03-28 Thread Corbin Simpson
On Sun, Mar 28, 2010 at 6:39 PM, SpliFF wrote: > Solves nothing other than push the legal burden onto someone else > (distributions) who further push the burden to the end-user. All of > which makes it harder to use. As far as I can tell the official site of > the "external project" claims the pro

Re: [Mesa3d-dev] [radeonhd] Re: Status of s3tc patent in respect to open-source drivers and workarounds

2010-03-28 Thread SpliFF
On 03/29/10 11:07, Corbin Simpson wrote:On 03/29/10 11:07, Corbin Simpson wrote: > Since neither you nor Andrew are lawyers, I would kindly ask that you > refrain from attempting to provide legal advice. :3 > If you know I'm not a lawyer (and my nick should be the first clue) then it isn't an i