On 3 Oct 2016, at 4:29 am, John Ladasky <john_lada...@sbcglobal.net> wrote: > > On Sunday, October 2, 2016 at 7:21:15 PM UTC-7, blue wrote: >> You have here a PyQt5 Reference Guide >> http://pyqt.sourceforge.net/Docs/PyQt5/index.html >> Some example can be found here 4 and 5 >> http://codeprogress.com/python/libraries/pyqt/ > > That's a nice page of examples, but there are no OpenGL examples. > >> Support for OpenGL http://pyqt.sourceforge.net/Docs/PyQt5/opengl.html told >> us: >> >> When compiled against Qt v5.1 or later, PyQt5 implements a set of either >> desktop QOpenGL bindings or OpenGL ES v2 bindings depending on how Qt was >> configured. This removes the dependency on any third-party OpenGL bindings >> such as PyOpenGL. >> >> At the moment the desktop bindings are for OpenGL v2.0 and are mostly >> complete. Other versions will be added in later releases. If there are calls >> which you need, but are currently unsupported, then please ask for the >> support to be added. > > I found that page many days ago. I am not sure whether OpenGL 4.5, which is > what Ubuntu installed for me, is an extension of OpenGL ES v2, or something > completely different. > > PyQt5 seems to be at least nominally aware of recent versions of OpenGL, and > it knows that I have version 4.5 -- since my program went looking for a > module called "QOpenGLFunctions_4_5_Compatibility". On this page... > > http://doc.qt.io/qt-5/qtgui-module.html > > ...the Qt5 QTGui documentation lists a plethora of functions to retrieve > OpenGL "specifications" and "compatibility profiles", ranging from OpenGL 1.0 > through 4.5. > > Note, these are not PyQt docs, they are for Qt. I have been sometimes > frustrated by the fact that the PyQt modules do not appear to have a > one-to-one mapping with the hierarchy of Qt itself. > >> Obtaining an object that implements the bindings for a particular OpenGL >> version and profile is done in the same way as it is done from C++, i.e. by >> calling versionFunctions(). In addition, the bindings object also contains >> attributes corresponding to all of the OpenGL constants. > > And as you can see: trying to call versionFunctions() is exactly where my > program failed.
Try passing a QOpenGLVersionProfile object to versionFunctions() that has a version set to one supported by PyQt. Phil -- https://mail.python.org/mailman/listinfo/python-list
