Re: pkg/51140: MesaLib-11.2.1 doesn't support GLSL software with modular X11.

[stack field <stackfield0trpg%gmail.com@localhost>]

The following reply was made to PR pkg/51140; it has been noted by GNATS.

From: stack field <stackfield0trpg%gmail.com@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: pkg-manager%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, pkgsrc-bugs%netbsd.org@localhost
Subject: Re: pkg/51140: MesaLib-11.2.1 doesn't support GLSL software with
 modular X11.
Date: Mon, 16 May 2016 16:06:33 +0900

 >>> the brick demo works for me, how does it fail for you?
 the brick demo on my computer showed the following message:
 
 rainsbase# cd /usr/pkgsrc/graphics/MesaDemos/work/mesa-demos-8.2.0/src/glsl
 rainsbase# LIBGL_DEBUG=verbose ./brick
 libGL: OpenDriver: trying /usr/pkg/lib/dri/tls/r600_dri.so
 libGL: OpenDriver: trying /usr/pkg/lib/dri/r600_dri.so
 libGL: Can't open configuration file /usr/pkg/etc/drirc: No such file
 or directory.
 libGL: Can't open configuration file /root/.drirc: No such file or directory.
 libGL: Can't open configuration file /usr/pkg/etc/drirc: No such file
 or directory.
 libGL: Can't open configuration file /root/.drirc: No such file or directory.
 libGL: Using DRI2 for screen 0
 Memory fault (core dumped)
 rainsbase# gdb brick brick.core
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 Reading symbols from brick...(no debugging symbols found)...done.
 [New process 1]
 Core was generated by `brick'.
 Program terminated with signal SIGSEGV, Segmentation fault.
 #0  0xbb9e195d in shared_dispatch_stub_161 () from /usr/pkg/lib/libglapi.so.0
 (gdb) bt full
 #0  0xbb9e195d in shared_dispatch_stub_161 () from /usr/pkg/lib/libglapi.so.0
 No symbol table info available.
 #1  0x0804a705 in CompileShaderText ()
 No symbol table info available.
 #2  0x0804a858 in CompileShaderFile ()
 No symbol table info available.
 #3  0x0804b354 in main ()
 No symbol table info available.
 
 2016-05-16 9:25 GMT+09:00 Tobias Nygren <tnn%netbsd.org@localhost>:
 > The following reply was made to PR pkg/51140; it has been noted by GNATS.
 >
 > From: Tobias Nygren <tnn%NetBSD.org@localhost>
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc:
 > Subject: Re: pkg/51140: MesaLib-11.2.1 doesn't support GLSL software with
 >  modular X11.
 > Date: Mon, 16 May 2016 02:21:29 +0200
 >
 >  On Sun, 15 May 2016 13:50:00 +0000 (UTC)
 >  stackfield0trpg%gmail.com@localhost wrote:
 >
 >  > This problem seems partially corrected on xsrc/external/mit/MesaLib/dist/src/mapi/entry.c (refer to http://cvsweb.netbsd.org/bsdweb.cgi/xsrc/external/mit/MesaLib/dist/src/mapi/entry.c.diff?r1=1.1&r2=1.2&only_with_tag=MAIN&f=h).
 >  > Its code work on my system.
 >
 >  This is not the right fix. TLS dispatch is supposed to work in pkgsrc mesa.
 >  the brick demo works for me, how does it fail for you?
 >
 >  $ cd /tmp/pkgsrc-obj/graphics/MesaDemos/work/mesa-demos-8.2.0/src/glsl
 >  $ ./brick
 >  Uniforms:
 >    0: LightPosition size=1 type=0x8b51 loc=0 value=0.1, 0.1, 9, 0
 >    1: BrickColor size=1 type=0x8b51 loc=1 value=0.8, 0.2, 0.2, 0
 >    2: MortarColor size=1 type=0x8b51 loc=2 value=0.6, 0.6, 0.6, 0
 >    3: BrickSize size=1 type=0x8b50 loc=3 value=1, 0.3, 0, 0
 >    4: BrickPct size=1 type=0x8b50 loc=4 value=0.9, 0.8, 0, 0
 >  GL_RENDERER = Gallium 0.4 on AMD CEDAR (DRM 2.38.0, LLVM 3.8.0)
 >