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Re: [Public WebGL] ATC texture size computation




Requiring that vendors supply (and maintain for let's say, 5 years) a
zero-cost, cross-platform (Linux/Windows/OSX) library to write into their
format really ought to be a minimum requirement for any acceptance as an
extension.

  -- Steve

Benoit Jacob wrote:
> On 12-09-07 02:18 PM, Gregg Tavares (社用) wrote:
>> Is there any way we can get the format opened? I would be good to
>> understand the rational for keeping it proprietary, especially in 2012.
> We could try having that discussion with Qualcomm; I too would be
> interested. I just didn't want it to be a blocker for exposing as a
> WebGL extension.
>>
>> I understand the pragmatic argument but it does seem very un-Web like
>> to support an undocumented format that can only be generated on a
>> proprietary tool.
> That is true, but note that other formats like PVRTC are in a similar
> league. In PVRTC's case, although the spec links to an article that
> talks about the compression technique, this article isn't precise enough
> to allow one to implement it; in particular, it says nothing about the
> actual data layout.
>
> Just wanted to be clear that the issue isn't really specific to ATC ---
> it's a general issue with the current compressed texture formats that we
> can use on mobile devices.
>
> Benoit
>
>>
>>
>> On Fri, Sep 7, 2012 at 10:50 AM, Florian Bösch <pyalot@gmail.com
>> <mailto:pyalot@gmail.com>> wrote:
>>
>>     On Fri, Sep 7, 2012 at 7:39 PM, Kornmann, Ralf <rkornmann@ea.com
>>     <mailto:rkornmann@ea.com>> wrote:
>>
>>         The AMD tool comes with command line option. That's all what
>>         my build engineers need to get the process automated.
>>
>>     The link referenced in the specification to the tool
>>     (http://ati.amd.com/developer/compressonator.html) is no longer
>>     valid. The correct link seems to
>>     be
>> http://developer.amd.com/Resources/archive/ArchivedTools/gpu/compressonator/Pages/default.aspx
>> now.
>>
>>     The tool runs only on windows. 63% of the web infrastructure runs
>>     Linux or some variant of Unix. The majority of Web Developers use
>>     OSX as their workstation about evenly divided by Linux. You're
>>     gonna have a bad time on the web with that format.
>>
>>
>
>


 -- Steve


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