Hi, will using the same geometry object along several shape3d nodes reduce the memory usage IN THE VIDEO CARD memory or only the SYSTEM memory used by J3D for java objects ?
>-----Original Message----- >From: Discussion list for Java 3D API >[mailto:[EMAIL PROTECTED]] On Behalf Of Shawn Kendall >Sent: Freitag, 21. Juni 2002 06:14 >To: [EMAIL PROTECTED] >Subject: Re: [JAVA3D] Performance Experience > > >Chad Zalkin wrote: > >> My application runs really slow with my current scene. When >I removed >> textures, I went from < 10 fps to ~30 fps. When I killed a lot of >> geometery but added some textures, I went to ~60 fps. >That's with no >> atmospherics and no lights and no sound. >> >> My system sure should be able to handle this: >> >> Dual Athlon MP 1700+ >> 512 MB Ram >> ATI Radeon 7000 (64 mb vid ram) >> JDK 1.4 >> Java3d 1.3 beta 2 >> WindowsXP Pro >> >> Any Ideas why this would run so slow? I don't think I have >any thread >> blocking/locking or otherwise obviously bad code. >> >> Thanks >> Chad Zalkin > >Not knowing anything else about the size of your apps textures >and amount of geometry, one possiblity is that you are going >over your video card memory limit. The behavior you describe >is typical of that. Whenever you go over the amount of >available memory, the render system will have to page in and >out the geometry and textures in your scene. That paging >across the AGP port will dramatically reduce render >performance the moment it happens. > >Remember, a large part of your video memory is use for frame >buffer, then the rest can be used for geometrry and textures. >Also, any other applications can be holding on to video memory >as well, making it less for your J3D app. > >Shawn Kendall >Java3D Game Tech Developer > >=============================================================== >============ >To unsubscribe, send email to [EMAIL PROTECTED] and >include in the body of the message "signoff JAVA3D-INTEREST". >For general help, send email to [EMAIL PROTECTED] and >include in the body of the message "help". > =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
