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Re: speed up the display on Linux [message #31122 is a reply to message #31107]

Wed, 12 June 2002 15:38

Randall Skelton
Messages: 169
Registered: October 2000

Senior Member

On Thu, 13 Jun 2002, Mark Hadfield wrote:

> That's interesting. Here is one of the things Karl Schultz or RSI
> wrote to me in response to the "Object graphics under Linux: are
> they supposed to be that slow?" thread:
>
> We didn't support "hardware" rendering on Linux in IDL 5.5. In
> fact, on other UNIX-like systems with questionable OpenGL support,
> we don't support it either. (You can tell if we try by seeing if
> there is a "gl_driver.so" file in our binary distribution.) These
> systems without the gl_driver file just end up using the Mesa
> software rendering library for both IDL hardware and software
> rendering.

I do hope someone from RSI can post a reply to the group and explain the
current state of OpenGL acceleration for Linux once and for all. If the
above is true, I agree that IDL will not benefit significantly from
enabling hardware acceleration in Free as the shared Mesa libraries
distributed with IDL will be used no matter what. Given the ever
increasing support for OpenGL in Linux, I do hope this changes soon.

> Are you sure that you get different results on Linux with hardware vs
> software rendering?

I will try and check this on my workstation later this week... sigh.

Cheers,
Randall

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[Message index]

		Re: speed up the display on Linux By: Karl Schultz on Mon, 17 June 2002 10:45
		Re: speed up the display on Linux By: Mark Hadfield on Thu, 13 June 2002 22:55
		Re: speed up the display on Linux By: Randall Skelton on Wed, 12 June 2002 15:38
		Re: speed up the display on Linux By: Mark Hadfield on Wed, 12 June 2002 14:17
		Re: speed up the display on Linux By: Randall Skelton on Wed, 12 June 2002 02:18
		Re: speed up the display on Linux By: Mark Hadfield on Mon, 10 June 2002 15:29
		Re: speed up the display on Linux By: MKatz843 on Tue, 11 June 2002 14:08
		Re: speed up the display on Linux By: ssmilemonkey on Tue, 11 June 2002 09:02
		Re: speed up the display on Linux By: ssmilemonkey on Tue, 11 June 2002 08:33
		Re: speed up the display on Linux By: Randall Skelton on Mon, 10 June 2002 16:59
		Re: speed up the display on Linux By: David Fanning on Tue, 11 June 2002 02:38

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