Archives September 2008

New PyOpenGL-Demo demos

Peter Roesch has just contributed a set of stand-alone demos for the PyOpenGL-Demo distribution.  There's shaders, nurbs surfaces and curves, beziers, interaction and stereo rendering.  They should show up in the next release of the package, and are available from bzr now.

bzr branch lp:~mcfletch/pyopengl-demo/trunk Demo

They'll also show up as example code in the ...

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Need to expand vbo support... and support/contribution emails

The vbo module in PyOpenGL is currently making a bad assumption, namely that the value passed to gl*Vertex functions should be 0, it could be any integer to indicate an offset.  I'm thinking of creating a class which can be used to create offsets into the vbo which will always just be the offset:
glVertexPointerd( ...

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OpenGL 2.1 manual sources are integrated... (Khronos) has made the OpenGL 2.1 docbook source files available, so the PyOpenGL 3.x documentation can now cover up to OpenGL 2.1 (and when 3.0 docs are out adding that should be relatively trivial).  I've also updated the OpenGLContext shaderobject test/demo to use a new feature in OpenGL.extensions which allows you to create functions ...

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PyOpenGL 3.0.0b6 (likely the last beta) is up...

I've just uploaded PyOpenGL 3.0.0b6 to SourceForge and PyPI.  At this point there's not really much I'm intending to change before the 3.0.0 final release.  We now have support for extensions up to the OpenGL 3.0 release, we should run on Win32 and Linux at least.  We should be compatible with py2exe/pyinstaller/py2app.

From here on ...

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A few steps forward...

Got PyOpenGL working on both Ubuntu and Win32 again for basically everything.  Cleaned up the baseplatform module to reduce the code duplication in there.  Updated the extensions included to OpenGL 3.0.  Added in a contributed demo in the demos package.

Will see if I can get a few hours to do a release over the ...

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Modernizing the Version Control System for PyOpenGL

I've finally begun the process of switching to a modern VCS for PyOpenGL.  I've requested imports of PyOpenGL, PyVRML97 and OpenGLContext into LaunchPad.  Hopefully that will be a reasonably fast process.  The final straw was checking out the code on Win32 and realizing just how many pointless directories are created (there were a few import ...

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TED seems skipable

Wanted something to stretch my mind a little this evening, so I figured I'd listen to some of the lectures from the TED conference.  Started off with "The Universe on a String", "Open Source Economics" and "Bringing World Class Health Care"... and was rather non-plussed.  From the depth and tone of the talks I ...

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Eliminating pkg_resources

Just checked in changes to PyOpenGL to strip out the use of pkg_resources.  That should avoid the problems we've been seeing where packaging utilities and the like can't handle the entry-point registrations.  Still need to work out something to avoid speculatively loading e.g. numpy.

Want that tool, but cores are useless without debug symbols

Tried to get the gdb-with-python recipe (that we discussed at PyGTA) to investigate the crashes from the rewrite.  I gather it requires that you have debugging symbols built for Python and all of the modules for it (well, to be able to trace into them, anyway).  I'm on an Ubuntu box here, not really sure ...

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