(In reply to Timothy Arceri from comment #3) > It seems to render incorrectly in Firefox, but renders correctly in Chrome. I meant to add that while it renders correctly the performance is really bad in chrome. > > The Firefox console has a number of GL_ARB_gpu_shader5 warnings like: > > 0:2(12): warning: extension `GL_ARB_gpu_shader5' unsupported in fragment > shader > > > For reference it runs fine in both on i965.