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Re: OpenGL + Linux crashes [message #38562 is a reply to message #38513]

Mon, 15 March 2004 07:28

Karl Schultz
Messages: 341
Registered: October 1999

Senior Member

"F�ldy Lajos" <foldy@rmki.kfki.hu> wrote in message
news:Pine.LNX.4.58.0403092159240.29572@bifur.rmki.kfki.hu...
>
> On Tue, 9 Mar 2004, Karl Schultz wrote:
>
>> ...
>> When this Mesa module starts up, it attempts to see if the SSE
(Streaming
>> SIMD (Single Instruction Multiple Data) Extensions) instructions are
>> available on the CPU. ...
>
>
> a stupid (?) question: Mesa knows that it is running on linux. Why not
> does it read /proc/cpuinfo first to learn about CPU features? And go the
> tricky way if /proc/cpuinfo does not exist.

This is a very interesting suggestion. Unfortunately, the situation is not
that simple.

Intel explains why in
http://www.intel.com/cd/ids/developer/asmo-na/eng/microproce ssors/ia32/pentium4/resources/appnotes/sse/19065.htm

If you prefer to look at source code, see the files in Mesa (Sourceforge) or
XFree86 4.3 (mesa/src/x86).

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[Message index]

		OpenGL + Linux crashes By: JD Smith on Tue, 02 March 2004 18:06
		Re: OpenGL + Linux crashes By: JD Smith on Wed, 10 March 2004 17:22
		Re: OpenGL + Linux crashes By: Karl Schultz on Mon, 15 March 2004 07:50
		Re: OpenGL + Linux crashes By: Foldy Lajos on Tue, 09 March 2004 13:07
		Re: OpenGL + Linux crashes By: Karl Schultz on Mon, 15 March 2004 07:28
		Re: OpenGL + Linux crashes By: Karl Schultz on Tue, 09 March 2004 12:27
		Re: OpenGL + Linux crashes By: Michael Wallace on Tue, 09 March 2004 10:33
		Re: OpenGL + Linux crashes By: Karl Schultz on Tue, 16 March 2004 07:54
		Re: OpenGL + Linux crashes By: JD Smith on Mon, 15 March 2004 12:50

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