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Re: IDL Objects Graphics cache and crash [message #29778 is a reply to message #29697]

Wed, 13 March 2002 22:59

alt
Messages: 28
Registered: August 2001

Junior Member

Thank you for your quick and full answer!

I missed instancing, indeed! May be this keyword should have been
named different because "instance" near "object" is associated with
instance of a class for me. But it is anyway my fault: "read the
manual" :-)) I guessed about texture mapping but did not dare to try
it.

test2 gives 8.73 sec (35 % benefit) and test3 gives 3.19 sec (75%) on
my Riva TNT2 Pro 32MB video card. It is not a bullet but already not a
cart ;-)). May be if I play with OpenGL settings I will benefit more.
Sure it will be very interesting to know what maximum performance can
be achieved for test3 on best well tuned video cards. But I think that
already obtained speed will be enough for my task. Of course,
instancing demands some additional program layer management but it is
worth it.

Best regards,
Altyntsev Dmitriy
Remote Sensing Center, ISTP
Irkutsk, Russia
http://ckm.iszf.irk.ru

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[Message index]

		IDL Objects Graphics cache and crash By: alt on Sun, 10 March 2002 00:16
		Re: IDL Objects Graphics cache and crash By: alt on Wed, 13 March 2002 22:59
		Re: IDL Objects Graphics cache and crash By: Rick Towler on Wed, 13 March 2002 13:09
		Re: IDL Objects Graphics cache and crash By: Mark Hadfield on Wed, 13 March 2002 12:51
		Re: IDL Objects Graphics cache and crash By: Karl Schultz on Wed, 13 March 2002 08:14

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