Re: Vertex caching
Igor Kravtchenko <[email protected]> Thu, 07 Sep 2006 04:43:24 -0800
| Newsgroups | gmane.games.devel.opengl |
|---|---|
| Organization | Fat City Network Services, San Diego, California |
| Message-ID | <[email protected]> |
Hi Sergey, nvTriStrip is device independent (i.e.: doesn't take into account the cache size of the current hardware which is what I'm looking for). Didn't knew about the ATI tool, will have a look, could be interested to avoid overdraw as well. Thanks, Igor. Sergey Nenakhov wrote: >nVidia has a library, as far as I remember, it is called nvTriStrip. >Ati has also released a tool (don't remember the name, search their website) which not only optimizes post-transformed vertex cache usage, but also optimizes overdraw of a model. > >Sergey > > >>Hi! >> >>I was wondering whether it could exist some "hidden" way in OpenGL to >>optimise its >>index buffer depending of the number of entries into the FIFO cache on >>the video card. >>D3D for instance can optimise its index buffer at runtime with method >>like D3DXOptimizeFaces() >>which is device independent or using D3DXMESHOPT which is device >>dependent. >> >>At first, we could guess that GL could re-arrange the indices >>automatically when >>submiting index buffer but ofcourse, it doesn\'t. Maybe on some drivers? >>Really never? >> >>Any remark on the subject is welcome, >> >>Igor. >> >>----- >>FAQ and OpenGL Resources at: >> http://www.geocities.com/SiliconValley/Hills/9956/OpenGL >> >>-- >>Author: Igor Kravtchenko >> INET: [email protected] >> >>Fat City Hosting, San Diego, California -- http://www.fatcity.com >>--------------------------------------------------------------------- >>To REMOVE yourself from this mailing list, send an E-Mail message >>to: [email protected] (note EXACT spelling of \'ListGuru\') and in >>the message BODY, include a line containing: UNSUB OPENGL-GAMEDEV-L >>(or the name of mailing list you want to be removed from). You may >>also send the HELP command for other information (like subscribing). >> >> >> > > >----- >FAQ and OpenGL Resources at: > http://www.geocities.com/SiliconValley/Hills/9956/OpenGL > > > ----- FAQ and OpenGL Resources at: http://www.geocities.com/SiliconValley/Hills/9956/OpenGL -- Author: Igor Kravtchenko INET: [email protected] Fat City Hosting, San Diego, California -- http://www.fatcity.com --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [email protected] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB OPENGL-GAMEDEV-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).