On Fri, Jul 03, 2020 at 03:08:28PM -0700, tim Rowledge wrote:
> 
> 
> > On 2020-07-03, at 1:32 PM, Hilaire <hilaire at drgeo.eu> wrote:
> > 
> > Le 03/07/2020 ?? 22:21, David T. Lewis a ??crit :
> >>> Juan proposed these primitives to speed up the rendering of 
> >>> VectorGraphics Widget Morph.
> 
> > https://github.com/OpenSmalltalk/opensmalltalk-vm/issues/505
> 
> I'm all for such improvements but I have no idea about updating the rather specialised ARM bitblt code that Ben Avison did for RPF a few years ago. That stuff is responsible for no small part of the really good UI performance we get on Pi.
> 

Marcel added this comment to the issue on github:

> Would be nice to also have the Smalltalk fall-back code for those new rules. :-)

which seems important if some of the VMs may not yet implement the new rules.

Dave