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Problem when rendering edge color #37
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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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Hello I am using tulip 5.2(master).
On windows I am rendering a graph with color on edges (without interpolation). The displayed color is not correct. When I use the display property tool, the viewcolor is not the same than the one displayed.
It is the same when I am zooming on a edge, the color is changing.
All edges are not impacted, but a big proportion.
Thanks.
PS: Tulip is marvelous.
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