...mostly done with a rewriting Clang plugin, with just some manual tweaking
necessary to fix poor macro usage.
Change-Id: I71fa20213e86be10de332ece0aa273239df7b61a
...which reveals that some uses are not derived from XEventListener, so re-
introduce BaseMutexHelper as an alternative (which originally got superseded by
DisambiguationHelper in 09b546cf9c1d0d9f78066e70a0348c7678cdcb14 "Fix
overloaded-virtual warning in canvas").
Change-Id: I1418370733b72526ec481b70fa69f03e7c28b7ce
Adds opengl canvas implementation - display-list-based, all
rendering done as textured geometry. Needs shader support.
Currently compiles and works on Linux, Mac should be ~easy to
add, win32 eventually.
Change-Id: Ibf3eb88d6a36a91b2960a3a6320d708160e4fc14
