(graphics): reuse existing Qt3D mesh buffer when updating
The following discussion from !430 (merged) should be addressed:
-
@fbridault started a discussion: (+1 comment) Do you know if there is a way to reuse the existing buffers? This is ok for a first version, but in the future, we definitely want to minimize reallocation.
In the Ogre backend, we do not reallocate if sizes are identical. Also, special flags are passed to the driver to use the appropriate memory type (not sure if it is still relevant with modern GPUs).