Callum,
I tried your patch and set OpenJPEGEncodeLossless to both to both true
and false with no change. I attached a screenshot to my issue,
http://jira.secondlife.com/browse/VWR-1815, to be sure folks can see it.
That screenshot is with the patch for VWR-1475 and
OpenJPEGEncodeLossless set to true.
If I can get some of my other work finished, I'll dive in and see what I
can find.
Thanks,
D
Callum Lerwick wrote:
> On Thu, 2007-07-19 at 17:35 +0200, Dale Glass wrote:
>> On Thu, Jul 19, 2007 at 08:15:13AM -0700, Dzonatas wrote:
>>> Let me know which ones, so that I can run ImageMagick's compare on them.
>>>
>> I have for example texture 5b9e9c17-f346-871e-8617-773335f5f3e2
>>
>> To me it looks like this:
>> http://daleglass.net/scanner_bad.tga
>>
>> This is very old, so I'm not sure if I remember the details right, but
>> IIRC:
>>
>> Upload with openjpeg: Looks bad if seen with openjpeg, good with KDU
>> upload with kdu: looks good with both
>
> ABOUT TIME someone else noticed this! This has been a problem ever since
> the slviewer source was first released. For some reason, textures
> encoded with OpenJPEG, then decoded with OpenJPEG, come up with errors
> like that. Decoding with KDU, you don't see it.
>
> It seems to be related to the fact that its using lossless encoding.
> Everyone using OpenJPEG PLEASE use this patch:
>
> http://jira.secondlife.com/browse/VWR-1475
>
> We don't need to be clogging up the grid with lossless images, unless
> they're sculpties. :) Using lossy encoding seems to fix all these
> issues. Which, IMHO, is a work around. The buggyness in lossless coding
> is still worrisome and should probably still be tracked down.
>
>
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