Hi Bruce,
Thanks for the reports. I can confirm that "canvas=hidden" for a 3D window
causes an X error on my Mac similar to what you see on Mesa. Presumably we have
an error or limitation in our OpenGL code that is fixable; we'll work on it.
For your other bug, I did not reproduce it successfully. I don't know whether
it is a flaw in Mesa that we are tickling, or some other platform-dependent
issue. Mesa is in wide use, so we should be able to find (or create) a machine
on which we can reproduce and work on the crash.
Cheers,
Clint
________________________________
From: Bruce & Breeanna Rennie <bren...@dcsi.net.au>
Sent: Thursday, July 25, 2013 6:14 AM
To: Unicon group
Subject: [Unicon-group] Error report for Unicon Version 12.1 April 13 2013
unicon -version
Unicon Version 12.1. April 13, 2013
unicon -features
UNIX
POSIX
DBM
ASCII
co-expressions
concurrent threads
dynamic loading
environment variables
event monitoring
external functions
keyboard functions
large integers
multiple programs
pipes
pseudo terminals
system function
messaging
graphics
3D graphics
X Windows
libz file compression
PNG images
CCompiler gcc 4.7.2
Arch x86_32
Binaries at /home/bruce/unicon/bin/
Program being run from page 3 utr9b.pdf
procedure main(av)
&window := open("gl attributes", "gl","canvas=hidden")
write("glversion :", WAttrib("glversion"))
write("glvendor :", WAttrib("glvendor"))
write("glrenderer :", WAttrib("glrenderer"))
close(&window)
end
output obtained
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 152 (GLX)
Minor opcode of failed request: 26 (X_GLXMakeContextCurrent)
Serial number of failed request: 34
Current serial number in output stream: 34
If I remove the canvas attribute on the open call I get
procedure main(av)
&window := open("gl attributes", "gl")
write("glversion :", WAttrib("glversion"))
write("glvendor :", WAttrib("glvendor"))
write("glrenderer :", WAttrib("glrenderer"))
close(&window)
end
output obtained
glversion :1.4 Mesa 8.0.4
glvendor :Tungsten Graphics, Inc
glrenderer :Mesa DRI Intel(R) IGD
regards
Bruce G Rennie
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