ID:	1156
From:	ka...@aspodata.se
Date:	Sat, 30 Dec 2017 14:40:10 +0100 (CET)
Subject:	Re: [pcb-rnd] layers in lesstif
in-reply-to:	1150 from ge...@igor2.repo.hu
replies:	1159 from ge...@igor2.repo.hu

Igor2:
> On Fri, 29 Dec 2017, karl@aspodata.se wrote:
...
> > r11077 silk is black
> > r11087 silk is grey and blend with far side
> 
> Thanks, checked the logs betwen those two. It's a bug introduced with the 
> composte layer rewrite - I still don't have any system where this is 
> reroducible so I can't test out my ideas for the fix,
 
Perhaps you need something like this:
 
# lspci  | grep  VGA
01:00.0 VGA compatible controller: Matrox Electronics Systems Ltd. MGA G400/G450 (rev 82)
 
and I did compile my own mesa and xorg to get rid of udev.
 
> I'll need to ask your contribution on this.
 
No problems.
 
> I still do not know why transparency happens at all, tho.
> 
> I think we have two things we could do to proceed:
> 
> 1. can you please narrow it down to a single commit that introduced the 
> wrong behavior?
 
Ohh I'm sorry, typo above, correct is:
 
r11077 silk is black
r11078 silk is grey and blend with far side
 
> 2. on svn HEAD, please run a make distclean, configure and edit 
> trunk/config.h and comment out the line #define HAVE_XRENDER 1
> 
> The second test would help me acknowledge a theory I have after reading 
> the change logs of those 10 revisions.
 
$ svn info | grep Revi
Revision: 13710
$ make distclean
...
$ ./configure --debug --disable-xrender
...
$ grep -i render config.h
/* Define to 1 if Xrender is available */
/*#undef HAVE_XRENDER */
$ make
$ cd src
$ cp file .
=> silk is black
 
Regards,
/Karl Hammar
 
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