The conversion to jp2 is done by the linden viewer. The asset server could store any format, it's just a byte stream to us.
Melanie Toni Alatalo wrote: > On Dec 8, 2010, at 5:36 PM, Diva Canto wrote: > >> So far, all textures in OpenSim are stored and served as jp2. However, some >> viewers can't use jp2. Example: Unity3d, for the time being. I would like to >> improve the GetTexture cap service by adding the ability for it to make >> conversions on the fly depending on extra data provided by the caller. > > What about uploading? > > Ogre using viewers like realXtend apps are also happy with many texture > formats, notable DDS which is most lightweight to load 'cause GPUs can decode > them on their own. JP2 decoding with open source libs is very heavy, > especially on small mobile devices. We've been using PNG as well. > > One problem IIRC we've had with Opensim is that it converts all the textures > to jp2 upon upload. > > Is not much a problem for us anymore, as we are increasingly using normal web > servers to host all assets. > > But it is insane to convert a png to a jp2 upon upload, and then convert it > to png again upon download, so figured to point this out. Given I recall > right and this was indeed on the server side, and not in the viewers. > > Of the actual question, I don't know my preference yet -- usually the easy & > safe way is to think that using standards like HTTP normally is good :) .. > but haven't used those accept&content-type headers in own code so don't > really know. > > ~Toni > >> There are two ways of doing this. Which one do people prefer? >> >> A) Add an extra query parameter: >> http://foo.com/GetTexture/?texture_id=<uuid>&format=<format> >> >> B) Use the Accept and Content-Type headers appropriately. >> The request might have >> Accept: image/png, image/jp2 >> And the response might have >> Content-Type: image/png >> >> Diva / Crista >> >> _______________________________________________ >> Opensim-dev mailing list >> [email protected] >> https://lists.berlios.de/mailman/listinfo/opensim-dev > > _______________________________________________ > Opensim-dev mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/opensim-dev > > _______________________________________________ Opensim-dev mailing list [email protected] https://lists.berlios.de/mailman/listinfo/opensim-dev
