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[Octave-bug-tracker] [bug #44338] __osmesa_print__ fails in MXE-Octave


From: Pantxo Diribarne
Subject: [Octave-bug-tracker] [bug #44338] __osmesa_print__ fails in MXE-Octave
Date: Fri, 8 Sep 2017 10:23:59 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0

Follow-up Comment #24, bug #44338 (project octave):

@John: IIUC Qt loads opengl32.dll (not opengl32sw.dll contrary to what I
though) and it looks like it is the use of an opengl32.dll compiled from mesa
that provokes the freeze right?

I have no clue but still a few questions about mesa opengl32.dll:
* Does a simple "plot (1:10)" (without printing and with figure visible)
trigger "Error 1282 occurred in init_gl_context" with Qt? With fltk?
* see comment #14: are we linking a 64 bit Octave to an obviously 32 bit
opengl library? Does it make sense to use a 64 bits build for opengl also?
* see comment #18: In comment #14 I see no "true" error message (the "Error
1282..." is actually a warning) so the print process should proceed when it
does not freeze. Is there any .ps file created when running in the debugger ?

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