Impossible to get Qt working with OpenGL.
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Hello everybody,
At least on my system, I can't get Qt to use the OpenGL backend.
My system:
OpenSuse 13.1 32-bit with KDE 4.5.11.
AMD/ATI RV710 (HD4350/4550)
Driver:
vendor X.Org
renderer Gallium 0.4 on AMD RV710
OpenGL/ES version 3.0 Mesa 9.2.3
kernel module radeonI compiled Qt from source using the folowing options:
./configure -prefix-install -prefix /usr/local/Trolltech/Qt-4.8.5-openGL -release -static -fast -opensource -largefile -no-exceptions -no-accessibility -no-stl -no-qt3support -no-xmlpatterns -no-multimedia -no-audio-backend -no-phonon -no-phonon-backend -no-svg -no-webkit -no-javascript-jit -no-script -no-scripttools -no-declarative -no-declarative-debug -qt-zlib -qt-libtiff -qt-libpng -qt-libmng -qt-libjpeg -no-openssl -no-nis -cups -no-dbus -no-gtkstyle -no-nas-sound -opengl desktop -graphicssystem opengl -nomake demos -nomake examples -nomake tools
When I start a Qt app with the option -graphicssystem opengl I get the warning "Unable to load graphicssystem "opengl".
When I use a QGLWidget in my app it compiles fine, when I start it, I get the warning "Unable to load graphicssystem "opengl".
Any ideas how to solve this?
Btw, other OpenGL programs like Quake 3 and Doom are running fine.
edit: Qt version is 4.8.5
Compiling and running the examples from http://www.glprogramming.com/red/ works fine.
In the .pro file I added the line: QT += opengl
The example in examples/opengl/cube compiles fine but when I run it, I get the same warning: Unable to load graphicssystem "opengl"