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OpenGL warning c7547 #7
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Hi, thanks for reporting these issues. Regarding the OpenGL warnings, it corresponds to the output logs of shaders compilation (printed by default to console output at the moment for debugging purpose). Those are just warnings and thus not critical. Nevertheless, there was effectively an issue regarding the application of graph algorithms. This was due to a regression in the tulip.js WebWorker initialization (used to execute the algorithms in background in order to keep the browser responsive when applying computation intensive ones like for instance edge bundling). The bug is now fixed in the master branch and compiled tulip.js has been updated in library/tulip-javascript/demos/. |
This was referenced Jan 16, 2019
This was referenced Apr 18, 2019
p-mary
referenced
this issue
in anlambert/talipot
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).
This was referenced Mar 12, 2020
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Have got a Bug on Ubuntu with the web version of Tulip5, the drawing is made but I cannot apply drawing algorithms. I've got this warning in console:
0(3) : warning C7547: extension GL_ARB_gpu_shader5 not supported in profile gp4_1fp tulip.js:128:16568
0(3) : warning C7547: extension GL_ARB_gpu_shader5 not supported in profile gp4_1vp tulip.js:128:16568
This is due to my old graphic card Quadro FX but is it possible to use only shader4 for more retro compatibility ?
Thank you.
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