Second Life Forums Archive - Fed up with video glitches

Saregin Martynov

Registered User

Join date: 27 Jan 2009

Posts: 13

05-09-2009 15:04

A few weeks ago my SL sessions have been plagued by video glitches - random geometric patterns appearing in my field of vision. The more prims in the area, the worse the glitches get. Sometimes the patterns are physically attached to my avatar - I see more of this when I wear prim hair. really large glitch patterns can appear in outdoor settings, large enough to obstruct the entire horizon.

On occasion an object such as a table or a Jaded Jokers card will turn invisible; right clicking or zooming the view in and out will sometimes make it visible, other times I have to just wait. (Left-clicking an invisible JJ card always makes it visible, and I can always un-select it.)

My system runs WinXP Home, 4 GB memory, ATI Radeon HD 4650 video card. Am I going to be forced into a video card upgrade to get rid of this problem? I need to find an economical solution. This is driving me nuts.

Milla Janick

Empress Of The Universe

Join date: 2 Jan 2008

Posts: 3,075

05-09-2009 15:23

Frequently the solution to this issue is to disable Vertex Buffer Objects.

In SL, go to the Edit menu, Preferences > Graphics > Hardware Options and uncheck the box for "Enable VBO". ATI cards don't play nice with this setting enabled for some reason.

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Saregin Martynov

Registered User

Join date: 27 Jan 2009

Posts: 13

05-09-2009 21:54

Okay, that seems to have cleared it up.

Saregin Martynov

Registered User

Join date: 27 Jan 2009

Posts: 13

05-13-2009 23:04

The setup still works. Unfortunately, disabling VBO slows things down.

SuezanneC Baskerville

Forums Rock!

Join date: 22 Dec 2003

Posts: 14,229

05-13-2009 23:08

It's possible an automatic update replaced your drivers with less desirable ones.

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Chosen Few

Alpha Channel Slave

Join date: 16 Jan 2004

Posts: 7,496

05-14-2009 10:29

From: Saregin Martynov

The setup still works. Unfortunately, disabling VBO slows things down.

That's perfectly normal. The whole point of VBO's is to speed things up. However, since ATI stubbornly refuses to follow OpenGL standards, their cards don't handle VBO's properly, and the result is the weird geometric patterns you saw. It's a very, very, very longstanding issue with ATI that is not likely to change any time soon, if ever at all.

If you want to be able to use VBO's, get an nVidia card. That's the only answer. Otherwise, just live without the increased speed that VBO's offer. That's all you can do.

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Fed up with video glitches
Saregin Martynov Registered User Join date: 27 Jan 2009 Posts: 13	05-09-2009 15:04 A few weeks ago my SL sessions have been plagued by video glitches - random geometric patterns appearing in my field of vision. The more prims in the area, the worse the glitches get. Sometimes the patterns are physically attached to my avatar - I see more of this when I wear prim hair. really large glitch patterns can appear in outdoor settings, large enough to obstruct the entire horizon. On occasion an object such as a table or a Jaded Jokers card will turn invisible; right clicking or zooming the view in and out will sometimes make it visible, other times I have to just wait. (Left-clicking an invisible JJ card always makes it visible, and I can always un-select it.) My system runs WinXP Home, 4 GB memory, ATI Radeon HD 4650 video card. Am I going to be forced into a video card upgrade to get rid of this problem? I need to find an economical solution. This is driving me nuts.
Milla Janick Empress Of The Universe Join date: 2 Jan 2008 Posts: 3,075	05-09-2009 15:23 Frequently the solution to this issue is to disable Vertex Buffer Objects. In SL, go to the Edit menu, Preferences > Graphics > Hardware Options and uncheck the box for "Enable VBO". ATI cards don't play nice with this setting enabled for some reason. _____________________ http://www.avatarsunited.com/avatars/milla-janick All those moments will be lost in time... like tears in rain...
Saregin Martynov Registered User Join date: 27 Jan 2009 Posts: 13	05-09-2009 21:54 Okay, that seems to have cleared it up.
Saregin Martynov Registered User Join date: 27 Jan 2009 Posts: 13	05-13-2009 23:04 The setup still works. Unfortunately, disabling VBO slows things down.
SuezanneC Baskerville Forums Rock! Join date: 22 Dec 2003 Posts: 14,229	05-13-2009 23:08 It's possible an automatic update replaced your drivers with less desirable ones. _____________________ - So long to these forums, the vBulletin forums that used to be at forums.secondlife.com. I will miss them. I can be found on the web by searching for "SuezanneC Baskerville", or go to http://www.google.com/profiles/suezanne - http://lindenlab.tribe.net/ created on 11/19/03. Members: Ben, Catherine, Colin, Cory, Dan, Doug, Jim, Philip, Phoenix, Richard, Robin, and Ryan -
Chosen Few Alpha Channel Slave Join date: 16 Jan 2004 Posts: 7,496	05-14-2009 10:29 From: Saregin Martynov The setup still works. Unfortunately, disabling VBO slows things down. That's perfectly normal. The whole point of VBO's is to speed things up. However, since ATI stubbornly refuses to follow OpenGL standards, their cards don't handle VBO's properly, and the result is the weird geometric patterns you saw. It's a very, very, very longstanding issue with ATI that is not likely to change any time soon, if ever at all. If you want to be able to use VBO's, get an nVidia card. That's the only answer. Otherwise, just live without the increased speed that VBO's offer. That's all you can do. _____________________ . Land now available for rent in Indigo. Low rates. Quiet, low-lag mainland sim with good neighbors. IM me in-world if you're interested.

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Fed up with video glitches