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Problem with the GeoView #10

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jason-vallet opened this issue May 23, 2017 · 0 comments
Closed

Problem with the GeoView #10

jason-vallet opened this issue May 23, 2017 · 0 comments

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@jason-vallet
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jason-vallet commented May 23, 2017

Hi,

I have a crash occurring when trying to open the Geographic view, it says:

#00 0x000000000040e90a in dumpStack(int, siginfo_t*, void*) (+0x3ea) at /home/jason/Applications/Tulip-5.X/tulip/software/crash_handling/CrashHandling.cpp:68 from /home/jason/Applications/Tulip-5.X/install-rel/bin/tulip_perspective

#01 0x00007f9424b54cb0 in ?? (+0x36cb0) from /lib/x86_64-linux-gnu/libc.so.6

So, yep, I've just crashed the crash handler! :D

While the view still opens in the latest Tulip 4, creating new nodes and changing to a different interactor also kills the whole app (I was just checking if this behaviour was also present in T5) so there is certainly some side effects going on and about.

Cheers.

bpinaud referenced this issue Jan 29, 2019
TravisCI: Migrate Linux builds from trusty to xenial
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).
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