FLTK's rendering (2.0)
Working:
X11
X11 + Xft
Quartz
GDI
Postscript
NanoX, Microwindows (1.1.x unofficial)
Planned:
GDI+ (adsd alpha/compositing)
X11 + Xft + XRender + Cairo
DirectFB
SDL
OpenGL (iffy, but planned)
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