Hi, could you file a JIRA please ideally along with a small test case that reproduces the issue.
Many thanks! Sean On Monday 03 October 2016 13:40:36 Juan José Casafranca wrote: > Hello! > > I'm posting to act some questions about Qt3D. > > I'm trying to show some information for my program. This information consist > on a regular grid (I'm painting the lines that define the voxels), a > distance map (in each voxel vertex I store a distance value) and the > sources for the distance (zones where distance is 0) > > The software supports resizing the grid or changing the sources so the views > must be updated accordingly. To achieve that, I emit a signal when a change > in the distance or the grid is done and connect that signal to a slot that > performs the scene preparation. It isn't the best solution but for now is > enough. > > The scene preparation slots cleans the previously allocated scene > (m_rootEntity->deleteLater()) and reconstructs the scene. > > The reconstruction generates the geometry data for the different things I > want to view, creates the renderer and the materials and adds this > components to different entities. Finally, this entities are added to the > root entity. > > To reduce code paths, the first view also performs this steps (removes the > previously scene, which is null) and creates the new one. This works well. > > My problem is when trying to delete an existing scene. I have been debugging > with gDEBugger and I have seen that buffers are not deleted (I imagine that > VAO are also kept) though the buffers are constructed with the geometry as > parent, and the geometry es an entity children (the entity is delete when I > delete m_rootEntity). > > After 2 or 3 remeshing steps, the screen goes black and I cant see any > information. > > I'm using the Qt3D version shipped with Qt 5.7. > > Any idea what I'm doing wrong? I can provide some code if you ask for it, > but as the software I'm developing is big, I prefer to show the code when > you ask for it, so I don't fill this question with a lot of code that > wouldn't be necessary. > > Thanks! > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest