On 2/1/23 15:14, Stephan Althaus wrote:
On 2/1/23 14:59, russell wrote:
Hi Stephan
I am running with 32 bit
$ grep -i depth /var/log/Xorg.0.log
[ 98.581] (**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
[ 100.246] (--) Depth 24 pixmap format is 32 bpp
/usr/bin/glxgears works fine
$ldd /usr/bin/glxgears
libGL.so.1 => /usr/lib/64/libGL.so.1
libm.so.2 => /lib/64/libm.so.2
libX11.so.4 => /usr/lib/64/libX11.so.4
libc.so.1 => /lib/64/libc.so.1
libnvidia-glsi.so.1 => /usr/lib/64/libnvidia-glsi.so.1
libnvidia-tls.so.1 => /usr/lib/64/libnvidia-tls.so.1
libnvidia-glcore.so.1 => /usr/lib/64/libnvidia-glcore.so.1
libsocket.so.1 => /lib/64/libsocket.so.1
libXext.so.0 => /usr/lib/64/libXext.so.0
librt.so.1 => /lib/64/librt.so.1
libxcb.so.1 => /usr/lib/64/libxcb.so.1
libnsl.so.1 => /lib/64/libnsl.so.1
libpthread.so.1 => /lib/64/libpthread.so.1
libXau.so.6 => /usr/lib/64/libXau.so.6
libXdmcp.so.6 => /usr/lib/64/libXdmcp.so.6
libmp.so.2 => /lib/64/libmp.so.2
libmd.so.1 => /lib/64/libmd.so.1
libXevie.so.1 => /usr/lib/64/libXevie.so.1
libXss.so.1 => /usr/lib/64/libXss.so.1
Comparing the two programs the screensavers use more GL libraries,
when you tried the GL/freeglut which libraries were used.
$ ldd /usr/lib/xscreensaver/hacks/glhanoi
libEGL.so.1 => /usr/lib/64/libEGL.so.1
libGLU.so.1 => /usr/lib/64/libGLU.so.1
libGL.so.1 => /usr/lib/64/libGL.so.1
libXft.so.2 => /usr/lib/64/libXft.so.2
libXt.so.4 => /usr/lib/64/libXt.so.4
libX11.so.4 => /usr/lib/64/libX11.so.4
libm.so.2 => /lib/64/libm.so.2
libc.so.1 => /lib/64/libc.so.1
libpthread.so.1 => /lib/64/libpthread.so.1
librt.so.1 => /lib/64/librt.so.1
libsocket.so.1 => /lib/64/libsocket.so.1
libnvidia-glsi.so.1 => /usr/lib/64/libnvidia-glsi.so.1
libstdc++.so.6 => /usr/gcc/7/lib/amd64/libstdc++.so.6
libgcc_s.so.1 => /usr/gcc/7/lib/amd64/libgcc_s.so.1
libnvidia-tls.so.1 => /usr/lib/64/libnvidia-tls.so.1
libnvidia-glcore.so.1 => /usr/lib/64/libnvidia-glcore.so.1
libXext.so.0 => /usr/lib/64/libXext.so.0
libfontconfig.so.1 => /usr/lib/64/libfontconfig.so.1
libfreetype.so.6 => /usr/lib/64/libfreetype.so.6
libXrender.so.1 => /usr/lib/64/libXrender.so.1
libSM.so.6 => /usr/lib/64/libSM.so.6
libICE.so.6 => /usr/lib/64/libICE.so.6
libxcb.so.1 => /usr/lib/64/libxcb.so.1
libnsl.so.1 => /lib/64/libnsl.so.1
libexpat.so.1 => /usr/lib/64/libexpat.so.1
libz.so.1 => /usr/lib/64/libz.so.1
libbz2.so.1 => /usr/lib/64/libbz2.so.1
libpng16.so.16 => /usr/lib/64/libpng16.so.16
libharfbuzz.so.0 => /usr/lib/64/libharfbuzz.so.0
libbrotlidec.so.1 => /usr/lib/64/libbrotlidec.so.1
libXau.so.6 => /usr/lib/64/libXau.so.6
libXdmcp.so.6 => /usr/lib/64/libXdmcp.so.6
libmp.so.2 => /lib/64/libmp.so.2
libmd.so.1 => /lib/64/libmd.so.1
libgraphite2.so.3 => /usr/lib/64/libgraphite2.so.3
libglib-2.0.so.0 => /usr/lib/64/libglib-2.0.so.0
libbrotlicommon.so.1 => /usr/lib/64/libbrotlicommon.so.1
libpcre2-8.so.0 => /usr/lib/64/libpcre2-8.so.0
libXevie.so.1 => /usr/lib/64/libXevie.so.1
libXss.so.1 => /usr/lib/64/libXss.so.1
Russell
Hi!
The linking of my test program "moon" is similar, libEGL is not used,
though.
$ ldd moon
libGL.so.1 => /usr/lib/64/libGL.so.1
libGLU.so.1 => /usr/lib/64/libGLU.so.1
libX11.so.4 => /usr/lib/64/libX11.so.4
libglut.so.3 => /usr/lib/64/libglut.so.3
libstdc++.so.6 => /usr/gcc/7/lib/amd64/libstdc++.so.6
libm.so.2 => /lib/64/libm.so.2
librt.so.1 => /lib/64/librt.so.1
libgcc_s.so.1 => /usr/gcc/7/lib/amd64/libgcc_s.so.1
libc.so.1 => /lib/64/libc.so.1
libnvidia-glsi.so.1 => /usr/lib/64/libnvidia-glsi.so.1
libnvidia-tls.so.1 => /usr/lib/64/libnvidia-tls.so.1
libnvidia-glcore.so.1 => /usr/lib/64/libnvidia-glcore.so.1
libsocket.so.1 => /lib/64/libsocket.so.1
libXext.so.0 => /usr/lib/64/libXext.so.0
libxcb.so.1 => /usr/lib/64/libxcb.so.1
libnsl.so.1 => /lib/64/libnsl.so.1
libXrandr.so.2 => /usr/lib/64/libXrandr.so.2
libXxf86vm.so.1 => /usr/lib/64/libXxf86vm.so.1
libXi.so.5 => /usr/lib/64/libXi.so.5
libpthread.so.1 => /lib/64/libpthread.so.1
libXau.so.6 => /usr/lib/64/libXau.so.6
libXdmcp.so.6 => /usr/lib/64/libXdmcp.so.6
libmp.so.2 => /lib/64/libmp.so.2
libmd.so.1 => /lib/64/libmd.so.1
libXrender.so.1 => /usr/lib/64/libXrender.so.1
libXevie.so.1 => /usr/lib/64/libXevie.so.1
libXss.so.1 => /usr/lib/64/libXss.so.1
Don't know much about linking, but the glmatrix etc don't have a
linking issue and does not show lib xxx not found or something.
So this may be some GL internal thing..
These Examples work, too:
https://github.com/danginsburg/opengles-book-samples
What do the GL Screensaver use that doesn't work?
...
Hi Stephan
Looking at the /usr/lib/xscreensaver/hacks/ I have identified all the
libraries for the executables which do not work and then removed all the
libraries which are used by other working executables.
libEGL.so.1 => /usr/lib/64/libEGL.so.1
libffi.so.6 => /usr/lib/64/libffi.so.6
libgcc_s.so.1 => /usr/gcc/7/lib/amd64/libgcc_s.so.1
libresolv.so.2 => /lib/64/libresolv.so.2
Looking at matrixview which works it uses the libgcc_s.so.1 however it
points to gcc/10 see below the broken ones use
/usr/gcc/7/lib/amd64/libgcc_s.so.1
libgcc_s.so.1 => /usr/gcc/10/lib/amd64/libgcc_s.so.1
So making sure that it binds to the correct gcc version lib might fix
the issue.
Kind Regards
Russell
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