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Some alpha textures not rendering in 1.32.1.3
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Joined: 2016-06-19 21:33:37 Posts: 384 Location: Columbus area, OH, USA 
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 While trying out the experimental branch, I notice that when PBR is on, textures with an alpha channel do not render. Toggling PBR off, will allow the textures to be seen. I have experienced this in many places with various objects, including the welcome area at Morris, Morris 9, 251, 41 - Welcome Area.
Viewer info:
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| 2024-05-11 12:54:20 |
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Joined: 2009-03-17 18:42:51 Posts: 5899
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It may happen that primitives "vanish" when your toggle PBR on: they may reappear by zooming far away, waiting a bit, and resetting the camera, and/or by toggling PBR on/off a couple times...
This is not specific to the experimental branch, neither to the Cool VL Viewer, but is a bug in LL's PBR renderer that has so far not been understood... I have no trouble rendering the objects in the place you took the screen shot. |
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| 2024-05-11 13:11:50 |
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Joined: 2016-06-19 21:33:37 Posts: 384 Location: Columbus area, OH, USA
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Hmm...nothing I do seems to allow render for them. I can even produce it on a 'stock' cube and just set the alpha to 1. I'll keep experimenting but it only shows up in the new .3 version. .2 has been fine.
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| 2024-05-11 13:19:23 |
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Joined: 2009-03-17 18:42:51 Posts: 5899
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| 2024-05-11 13:22:12 |
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Joined: 2009-03-17 18:42:51 Posts: 5899
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UPDATE: I could reproduce it, by enabling shadows...
I am currently investigating... Likely related with LL's changes to texture index channels usage. |
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| 2024-05-11 13:28:12 |
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Joined: 2016-06-19 21:33:37 Posts: 384 Location: Columbus area, OH, USA
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| 2024-05-11 13:30:50 |
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Joined: 2009-03-17 18:42:51 Posts: 5899
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Try this: change the "RenderReservedTextureIndices" value to 10 (or even 11). This should fix the issue.
Still investigating, though... |
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| 2024-05-11 13:34:49 |
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Joined: 2016-06-19 21:33:37 Posts: 384 Location: Columbus area, OH, USA
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| 2024-05-11 13:40:56 |
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Joined: 2009-03-17 18:42:51 Posts: 5899
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Confirmed: LL's changes are bogus, and were not even really needed by my viewer (which already properly checked for texture index channels, even on starved-indices hardware).
Since I also found another bogus change (the PBR override erasing, which may cause overrides loss when the same object re-rezzes later on in the same session, e.g. in a neighbouring sim, depending on draw distance and camera FOVs), plus a couple typos, I am now rebuilding new emergency releases, to be published soon. |
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| 2024-05-11 13:59:49 |
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Joined: 2009-03-17 18:42:51 Posts: 5899
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Fixed releases published.
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| 2024-05-11 14:51:44 |
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