OpenGL software acceleration produces AWFUL performance. Not suitable
for any realtime application. Moreover, i didn't manage to get
hardware OpenGL acceleration under Window98 system, though my card
does support it and under WindowsNT OpenGL accelerates just fine (i
wonder whether someone here succeeded OpenGL hardware acceleration
under Windows98?) But there is a very easy way to use either DirectX
or OpenGL versions without breaking up any settings. All u need to
change the version is to copy six files. I attached a couple of .bat
files i use for this purpose. In jreDirectX/jreOpenGL directory there
should be 2 dirs - bin and lib. In bin there should be 2 dll Java3D
libraries, in lib/ext - 4 .jar Java3D files (see Java3DDirs.gif for
directory structure). Those .bats also 'change' Java3D version in Java
plug-in. Just have a look at the bats and u'll figure everything out
on your own. Yes, both of them should be put into jdk directory.
vladimir
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In your previous letter u wrote:
--------------------------------
MW> Hello,
MW> I have the DirectX version of J3D installed for windows because I have no
MW> accelerator card. Win98 also has software OpenGL support yes? (I assume this
MW> from the OpenGl screensavers..) can I use the OpenGL windows J3D with no
MW> accelerator card?
MW> Is the software performance of OpenGL better than DirectX?
MW> I need to know because I have the OpenGL package, but not the DirectX one
MW> anymore, and I dont want to break my installation and have no way of backing
MW> out to the DirectX install.
MW> Thanks,
MW> Matthew.
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DirectX6.bat
OpenGL6.bat
Java3DDirs.gif
Java3DDirs.gif