FabGL
ESP32 Display Controller and Graphics Library
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Suspends drawings.
Suspends drawings disabling vertical sync interrupt.
After call to suspendBackgroundPrimitiveExecution() adding new primitives may cause a deadlock.
To avoid it a call to "processPrimitives()" should be performed very often.
This method maintains a counter so can be nested.
Implements BitmappedDisplayController.
Definition at line 113 of file vgapalettedcontroller.cpp.