-##OpenGL GLIB

GSTAP

Perspective 70
LookAt 2 0 7  2 0 0  0 1 0

Vertex beziersurface.vert
Fragment beziersurface.frag
TessControl beziersurface.tcs
TessEvaluation beziersurface.tes
# disable the geometry shader if you want to do isolines:
Geometry beziersurface.geom
Program BezierSurface   uOuter02 <1 10 50>  uOuter13 <1 10 50>  uInner0 <1 10 50>  uInner1 <1 10 50>  \
				uShrink <0. 1. 1.>										\
				uLightX <-10. -10. 10.>   uLightY <-10. 5. 10.>   uLightZ <-10. 0. 10. >

Color [1. .5 0.]
#Translate -1.5 -0.3 -1.5
NumPatchVertices 16
glBegin gl_patches
    glVertex 0. 2. 0.
    glVertex 1. 1. 0.
    glVertex 2. 1. 0.
    glVertex 3. 2. 0.

    glVertex 0. 1. 1.
    glVertex 1. -2. 1.
    glVertex 2. 1. 1.
    glVertex 3. 0. 1.

    glVertex 0. 0. 2.
    glVertex 1. 1. 2.
    glVertex 2. 0. 2.
    glVertex 3. -1. 2.

    glVertex 0. 0. 3.
    glVertex 1. 1. 3.
    glVertex 2. -1. 3.
    glVertex 3. -1. 3.
glEnd