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Disable OpenGL when Gtk3 is selected

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The OpenGL library is not supported on Gtk3 which uses the cairo
library for rendering. Cairo, in turn uses hardware acceleration when
supported by the underlying system. Some improvement to performance
may be gained by useing the cairo-gl and cairo-glx libraries included
on modern Gtk3 systems.

See the cairo documentation for further information. The following
link may also be of interest.

http://lists.cairographics.org/archives/cairo/2012-October/023609.html
This commit is contained in:
Tony 2013-10-04 23:09:45 +01:00
parent 81d6842b8e
commit c1cd70e25a
1 changed files with 1 additions and 1 deletions
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2
cmake/OpenCVFindLibsGUI.cmake
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@ -47,7 +47,7 @@ if(WITH_GTK AND NOT HAVE_QT)
CHECK_MODULE(gtk+-2.0 HAVE_GTK) CHECK_MODULE(gtk+-2.0 HAVE_GTK)
endif() endif()
CHECK_MODULE(gthread-2.0 HAVE_GTHREAD) CHECK_MODULE(gthread-2.0 HAVE_GTHREAD)
if(WITH_OPENGL) if(WITH_OPENGL AND NOT HAVE_GTK3)
CHECK_MODULE(gtkglext-1.0 HAVE_GTKGLEXT) CHECK_MODULE(gtkglext-1.0 HAVE_GTKGLEXT)
endif() endif()
endif() endif()