shader not finished yet
points showed, but error occurs
triangles not attempted
immediate mode works
shader mode not work
shader works
adding phong shading model
triangle works, but the shader is not complet
triangle looks right
TODO add interactivity
TODO use complete phong shading shader
triangle looks right
should add more stuff
fix debug func
compiled, showing nothing
basic shader
basic shader
Merge branch 'dev'

Conflicts:
	Algorithm/Renderer/PolyDataRenderer.cpp