Tulip rpm build #1
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This was referenced Oct 19, 2017
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…e tulip source tarball including the dynamically generated tulip.spec file fix tulip.spec file in order to sucessfully build Tulip packages on CentOS this still needs to be improved in order to offer more build features (use Qt5 and Python 3 for instance) and support more distros packaging scheme should also be reworked in order to mirror those done by OpenSuse and Fedora packagers nevertheless Tulip should now be easily build and packaged on REHL linux distros family also add travis build for tulip rpm package with ccache enabled in order to speedup incremental build
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Jan 3, 2020
QOpenGL module is marked as deprecated since a while now so it is time to remove its use from the Talipot codebase and promote the use of QOpenGL* classes directly integrated in the QtGui module. The big difference between QOpenGL and QtOpenGL from Qt5 is that all rendering is performed in framebuffer objects, there is no more direct rendering in the underlying os windows with its own OpenGL context. Talipot OpenGL rendering also follows that idiom, all renderings are performed offscreen using a shared OpenGL context. This also means that there is no more QGLWidget as viewport for QGraphicsView. Talipot OpenGL scene are now converted to QImage in order to display them using the default Qt raster rendering engine. This should fixes the numerous rendering glitches observed on MacOS. First thing observed after the migration is a consequent performance boost in OpenGL rendering when using an Intel GPU on a Linux host machine (especially when selecting elements, it is now 10 times faster on debian stable).
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WIP for integrating build of rpm packages for Tulip for testing and maintenance purpose.
If this has to be merged, it should be after Tulip-Dev#24 lands in master as it contains the required fixes to successfully build the rpm packages.
I put that here as there is some work to do on that feature and is less urgent that offering a clean install of Tulip on all platforms.