[casual_games] Procedural rendering - again

[Ron]

It has also been my impression that decoding JPEG2000 is much much 
slower than JPG.  Is this true?  That is the thing that's kept me from 
investigating it much further.  Load speed is more important to me than 
download time or disk foot print.

Ron


Alex Saveliev wrote:
> Hello Joe,
> 
> Well, I've just tested - 10 times :)
> 
> PNG uses lossless compression, but JPEG and JPEG2000 use lossy compression (plus JPEG2000 has an option to use lossless mode).
> 
> So JPEG2000 can make a very big difference, you can compress all your animated sprites and pictures even with alpha.
> 
> Another nice feature of JEG2000 is "resolution levels" - you can store a 512x512 texture and get a 256x256 version of it at no additional cost (even much faster :) or a 64x64 version for MIP-mapping...
> 
> You can make all your sprites in a game twice smaller by a simple decoding option! :)
> 
> Tuesday, January 10, 2006, 8:36:26 PM, you wrote:
> 
> JP> I'll be lazy and instead of testing it myself ask:
> JP>   
> JP>  Alex,
> JP>   
> JP>  How does JPEG 2000 compare in file size to PNG?
> JP>  
> JP>  Thanks
> JP>  -J
> JP>