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Thanks for getting back to me… Im not sure how to check the “canvas buffer memory” , however the (linked example) site only reports about 17mb of “VM memory” use-age in chrome developer tools … can you tell me how to monitor the buffer memory? or inspect it?
also i found this that might be of interest https://stackoverflow.com/a/52586606/541038 that claims the memory of canvas is not freed on reload or destroy, so you can work around it by setting the width and height of the canvas element(s?) to zero … Im not sure if i can hook into your overlay canvas or _prerenderCanvas or whatever to do this on my end (maybe i can im going to try tomorrow)