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

1. Second Life Viewer - VWR

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

Created: 23/Jan/08 11:01 PM Updated: 24/Jan/08 03:12 AM

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Component/s:

Graphics

Affects Version/s:

First Look: WindLight

Fix Version/s:

None

File Attachments:

Snapshot_001.bmp (2.73 MB)

Environment:

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

You are at 290537.7, 275686.7, 602.2 in Rurik located at sim2324.agni.lindenlab.com (64.129.41.74:13004)
Second Life Server 1.18.6.77554

CPU: AMD (Unknown model) (1808 MHz) - Note: Actually AMD Turion(tm) 64 X2 Mobile Technology TL-56
Memory: 2047 MB
OS Version: Microsoft Windows XP Service Pack 2 (Build 2600)
Graphics Card Vendor: NVIDIA Corporation
Graphics Card: GeForce Go 7200/PCI/SSE2/3DNOW!
OpenGL Version: 2.0.1
LLMozLib Version: 1.1.0 (Mozilla GRE:1.8.0.12_0000000000)
Packets Lost: 37/136545 (0.0%)
Viewer Digest: 58f7490d-4744-f65f-8845-3f6b997152e6

Issue Links:

Duplicate

This issue duplicates:

~~VWR-4339~~ Windlight - invisible prims becoming opaque at a distance

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

Description

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In game, find or create an object with at least part consisting of a 100% Transparent value.
Move and/or zoom your camera out and away from the object.

Observed: Invisible object or invisible texture becomes visible and solid with a black or colored surface.
= Expected: Invisible object or texture to remain invisible.

Notes:
+ Does not seem to effect all nVidia enviroments
+ Only effects the most recent Windlight Release 1.18.6 (77495)
+ Not sure if this effects invisible objects set via llSetAlpha

On the attached picture, the black cube (my test object) ahead of me, and the small white cubes above my friend's head should be completely invisible.

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Daten Thielt added a comment - 24/Jan/08 02:20 AM

Not just nVidia enviroments, most ATI as well, specs folow, it seems they dont render any alpha at all weather its texture or scripted

CPU: AMD Sempron 3000+ (Unknown model) (1799 MHz)
Memory: 511 MB
OS Version: Microsoft Windows XP Service Pack 2 (Build 2600)
Graphics Card Vendor: ATI Technologies Inc.
Graphics Card: CONNECT 3D RADEON 9550 x86/MMX/3DNow!/SSE2
OpenGL Version: 2.0.6956 WinXP Release