*** This bug is a duplicate of bug 941826 ***
https://bugs.launchpad.net/bugs/941826
** This bug has been marked a duplicate of bug 941826
PyQt cannot compile shaders with Ubuntu's Nvidia drivers
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https://bugs.launchpad.net/bugs/1241988
Title:
All pyqt5 quick examples fails with shader program link error
Status in “nvidia-graphics-drivers-319-updates” package in Ubuntu:
Triaged
Bug description:
$ lsb_release -rd
Description: Ubuntu 13.10
Release: 13.10
$ apt-cache policy pyqt5-doc
pyqt5-doc:
Installed: 5.0.1-1ubuntu1
Candidate: 5.0.1-1ubuntu1
Version table:
*** 5.0.1-1ubuntu1 0
500 http://no.archive.ubuntu.com/ubuntu/ saucy/universe amd64 Packages
100 /var/lib/dpkg/status
Graphics driver:
$ apt-cache policy nvidia-319-updates
nvidia-319-updates:
Installed: 319.60-0ubuntu1
Candidate: 319.60-0ubuntu1
Version table:
*** 319.60-0ubuntu1 0
500 http://no.archive.ubuntu.com/ubuntu/ saucy/restricted amd64
Packages
100 /var/lib/dpkg/status
All examples under /usr/share/doc/pyqt5-doc/examples/quick/ fails on shader
compilation, example:
/usr/share/doc/pyqt5-doc/examples/quick/tutorials/extending/chapter1-basics$
python3 chapter1-basics.py
QOpenGLShaderProgram: could not create shader program
QOpenGLShader: could not create shader
QSGMaterialShader: Shader compilation failed:
""
QOpenGLShaderProgram::uniformLocation( qt_Matrix ): shader program is not
linked
QOpenGLShaderProgram: could not create shader program
QOpenGLShader: could not create shader
QSGMaterialShader: Shader compilation failed:
""
QOpenGLShaderProgram::uniformLocation( matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( textureScale ): shader program is not
linked
QOpenGLShaderProgram::uniformLocation( color ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( alphaMin ): shader program is not
linked
QOpenGLShaderProgram::uniformLocation( alphaMax ): shader program is not
linked
QOpenGLShaderProgram::uniformLocation( fontScale ): shader program is not
linked
QOpenGLShaderProgram::uniformLocation( vecDelta ): shader program is not
linked
Segmentation fault (core dumped)
$
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