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Document low performance when using `SurfaceTool.append_from()` in thread 

(cherry picked from commit f39375d315)
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Hugo Locurcio 2021-11-14 22:46:42 +01:00 committed by Rémi Verschelde
parent 7de023e192
commit a49e3bb449
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doc/classes/SurfaceTool.xml
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@ -113,6 +113,7 @@
<argument index="2" name="transform" type="Transform" />
<description>
Append vertices from a given [Mesh] surface onto the current vertex array with specified [Transform].
[b]Note:[/b] Using [method append_from] on a [Thread] is much slower as the GPU must communicate data back to the CPU, while also causing the main thread to stall (as OpenGL is not thread-safe). Consider requesting a copy of the mesh, converting it to an [ArrayMesh] and adding vertices manually instead.
</description>
</method>
<method name="begin">