[#VWR-4339] Windlight - invisible prims becoming opaque at a distance

1. Second Life Viewer - VWR

Windlight - invisible prims becoming opaque at a distance

Created: 23/Jan/08 01:57 PM Updated: 24/Jan/08 07:13 AM

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Component/s:

Graphics

Affects Version/s:

First Look: WindLight

Fix Version/s:

None

File Attachments:

None

Image Attachments:

1. Snapshot_001.jpg
(656 kB)

Environment:

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CPU: Intel Pentium M Series Processor (1600 MHz)
Memory: 511 MB
OS Version: Microsoft Windows XP Service Pack 2 (Build 2600)
Graphics Card Vendor: ATI Technologies Inc.
Graphics Card: MOBILITY RADEON 9700 x86/SSE2
OpenGL Version: 1.5.4776 WinXP Release
LLMozLib Version: 1.1.0 (Mozilla GRE:1.8.0.12_0000000000)
Packets Lost: 2007/131480 (1.5%)
Viewer Digest: 58f7490d-4744-f65f-8845-3f6b997152e6

Issue Links:

Duplicate

This issue duplicates:

~~VWR-4337~~ WindLight: Fallback shiny is partially invisible

This issue is original of duplicate:

~~VWR-4350~~ Invisible or Transparent Textures (Alpha) Turning Soild When Zoomed Out (on nVidia GeForce Go 7 Enviroment)

~~VWR-4347~~ Transparent objects become fully opaque at certain distances.

~~VWR-4349~~ From a distance, viewer renders hidden body part prims (like your penis...) Renders correctly from close up. Only affect today's release 1.18.6.77495

~~VWR-4355~~ inventory items visible when should be invisible

~~VWR-4358~~ Invisible objects are visible

Relates

This issue Relates to:

~~VWR-3101~~ Alpha textures are opaque at a distance and the transition is ugly and unreliable

~~VWR-69~~ Invisible Prims becoming visible

Description

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I noticed that very small alpha objects – an invisible prim cube that is part of my prim hair, a titler attachment – now seem to be showing up as black or white objects when the camera is at a normal distance from me or further back. Only when I zoom in closer do they disappear properly.

Also, the same problem happens to prim eyelashes, which depend on alpha textures. At a certain distance, the "raccoon eyes" appear.

I have attached an image to illustrate. You can see the black spot floating just above my head from the invis prim on my hair. This has not happened previously. It looks like the camera is closer than it really is, as I zoomed out then changed the depth of field to get in as close as possible so that it was clearer.

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Comments

Change History

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Sephy McCaw added a comment - 23/Jan/08 02:09 PM

Second Life 1.18.6 (77495) Jan 22 2008 15:30:40 (Second Life WindLight)

You are at 286695.5, 268987.0, 22.7 in Pompelmoo located at sim3567.agni.lindenlab.com (64.129.46.78:13005)
Second Life Server 1.18.6.77554

CPU: AMD (Unknown model) (2009 MHz)
Memory: 4095 MB
OS Version: Microsoft Windows Vista (Build 6000)
Graphics Card Vendor: ATI Technologies Inc.
Graphics Card: ATI Radeon HD 2600 XT
OpenGL Version: 2.1.7275 Release
LLMozLib Version: 1.1.0 (Mozilla GRE:1.8.0.12_0000000000)
Packets Lost: 24/108144 (0.0%)

I am also seeing this problem with the latest release of windlight... invisible prims become visable after a certain distance from your avatar

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Ran Garrigus added a comment - 23/Jan/08 02:10 PM

I have the same issue on my computer.

CPU: Intel Pentium 4 Northwood (2495 MHz)
Memory: 512 MB
OS Version: Microsoft Windows XP Service Pack 1 (Build 2600)
Graphics Card Vendor: NVIDIA Corporation
Graphics Card: GeForce FX 5200/AGP/SSE2
OpenGL Version: 2.0.3
LLMozLib Version: 1.1.0 (Mozilla GRE:1.8.0.12_0000000000)
Packets Lost: 1022/24031 (4.3%)
Viewer Digest: 58f7490d-4744-f65f-8845-3f6b997152e6

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Al Sonic added a comment - 23/Jan/08 02:34 PM - edited

Finally, a bug report about Windlight alpha rendering at a distance that's actually a bug (though no offense to the efforts to minimize the aesthetic impact of certain new features...). I suspect this is still related to the other reports, only this time, the low-LOD efficiencies are quite plainly glitching up.

Now I'm not having the issue myself, but clearly there's a problem here for some. I went over it with Marrik Milos, and clearly something was going wrong for him, which wasn't going wrong before.

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Davey Callisto added a comment - 23/Jan/08 02:59 PM

Just noticed this on the new windlight (Second Life 1.18.6 (77495) Jan 22 2008 15:25:08 (Second Life WindLight)) as soon as I logged in. Wasn't present in the last version. Invisible prims and those with alpha seem to appear from a distance of a few meters, and vanish when zoomed close. Can see attachments and AOs etc. of people around me.

Some prims seem to simply turn opaque. Others appear textured.

CPU: Dual PowerPC 970 (2500 MHz)
Memory: 3584 MB
OS Version: Darwin 9.1.0 Darwin Kernel Version 9.1.0: Wed Oct 31 17:48:21 PDT 2007; root:xnu-1228.0.2~1/RELEASE_PPC Power Macintosh
Graphics Card Vendor: ATI Technologies Inc.
Graphics Card: ATI Radeon X800 XT OpenGL Engine
OpenGL Version: 2.0 ATI-1.5.18