[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] Use Metal instead of OpenGL for the main VM Window in OS X (#306)

[Ronie Salgado]

Because OpenGL is being deprecated by Apple, use Metal instead of OpenGL for main VM window in OS X.

Metal only works in 64 bits mode. So, I also made the needed changes to keep using OpenGL in the 32 bits version of the OS X VM.
You can view, comment on, or merge this pull request online at:

  https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/306

-- Commit Summary --

  * I ported the main OS X view from OpenGL into Metal.
  * Disable restoring OpenGL context hack in ioProcessEvents when using Metal for the main window.

-- File Changes --

    M build.macos32x86/common/Makefile.app (4)
    M build.macos32x86/common/Makefile.flags (2)
    M build.macos64x64/common/Makefile.app (8)
    M build.macos64x64/common/Makefile.flags (7)
    M build.macos64x64/common/Makefile.rules (10)
    M build.macos64x64/common/Makefile.vm (1)
    M platforms/iOS/vm/Common/Classes/sqSqueakEventsAPI.m (14)
    A platforms/iOS/vm/English.lproj/MainMenu-opengl.xib (1261)
    M platforms/iOS/vm/English.lproj/MainMenu.xib (8)
    M platforms/iOS/vm/OSX/SqViewBitmapConversion.m (5)
    M platforms/iOS/vm/OSX/SqViewClut.m (5)
    A platforms/iOS/vm/OSX/SqueakMainShaders.metal (73)
    M platforms/iOS/vm/OSX/SqueakOSXAppDelegate.m (5)
    A platforms/iOS/vm/OSX/sqSqueakOSXMetalView.h (93)
    A platforms/iOS/vm/OSX/sqSqueakOSXMetalView.m (772)

-- Patch Links --

https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/306.patch
https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/306.diff

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https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/306
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