[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] 9376af: Generate BitBltPlugin wih new alpha blending combi...

[Nicolas Cellier]

  Branch: refs/heads/Cog
  Home:   https://github.com/OpenSmalltalk/opensmalltalk-vm
  Commit: 9376afb25149d1bc9a2c349af38d92c7a84203ed
      https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/9376afb25149d1bc9a2c349af38d92c7a84203ed
  Author: Nicolas Cellier <nicolas.cellier.aka.nice at gmail.com>
  Date:   2020-12-27 (Sun, 27 Dec 2020)

  Changed paths:
    M platforms/Cross/plugins/BitBltPlugin/BitBltDispatch.h
    M src/plugins/BitBltPlugin/BitBltPlugin.c

  Log Message:
  -----------
  Generate BitBltPlugin wih new alpha blending combination rules from VMMaker.oscog-nice.2909

Provide intelligible names for the new ops in cross platform BitBltDispatch.h if ever someone wants to implement an accelerated version
This is WIP for issue #505