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Alpha rendering broken in 1.26.20.36 / 1.26.21.2 
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Joined: 2010-04-07 08:23:18
Posts: 165
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Hello Henri,

just a quick heads-up that something is probably fishy with alpha rendering in today's releases. The eyelashes of my CatWa mesh head go all solid black in both releases, whereas they are still fine in 1.26.20.35. Given more time I'll look into it (hopefully tomorrow) and will try to provide more details.


Love,
Lia


2017-11-11 21:24:08
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Joined: 2009-03-17 18:42:51
Posts: 3655
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Well, not really a surprise... See the changes log, please: a fix (introduced in 2015) to transparent textures rendering (which got broken when materials got implemented) has been reverted in LL's viewer-neko code, because it induced null/bogus textures creation on the server side. So yes, we are 2 years and a half backwards, with the same bug !

I guess I should reimplement the "problematic" (for LL) fix in next release, at least until LL finds a proper fix or pushes the fix reversal (and bug reintroduction) into their own release viewer...


2017-11-11 23:12:11
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Joined: 2010-04-07 08:23:18
Posts: 165
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Hello again Henri,

ah, I did see that and therefore wasn't surprised by the issue itself. I just didn't think something like that would be rolled back without another fix, leaving rendering visibly broken. And yes, I dimly remember that time after materials where alpha was borked. :roll:

Oh well, leave it to LL to come up with half-baked "solutions" ... :lol:

At least that saves me the work of documenting details if it's, uhm, "expected behaviour". :twisted:


Love,
Lia


2017-11-12 08:32:05
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Joined: 2009-03-17 18:42:51
Posts: 3655
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I'm also seeing (too) many broken textures (especially in non-Linden trees), so I'll revert that reversal (!) in next releases. I did not have time to test it (it was pushed by LL in the (Europe's) night and I hardly had more than one hour to test it before I compiled the releases), but the way I implemented it (by disabling the code instead of getting rid of it) shows I was in some doubt... The good news is that if you compile the viewer yourself, you do not need to wait till next releases: modify indra/newview/llviewertexture.h to read (around line 49):
Code:
#include "lluuid.h"

#ifndef LL_TRANSPARENT_TEXTURES_FIX
#define LL_TRANSPARENT_TEXTURES_FIX 1
#endif

#include "llface.h"

and recompile...


2017-11-12 09:24:40
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