The only thing that needs to be reimplemented is the pbuffer based
custom sprite rendering. We should use a FBO with a texture backend
for that. This will also save several OpenGL context switches!
Change-Id: I4aef33ae2499e44c8b5f41c296d8721cb94a37a1
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
