A Fragment
Program
void PerPixelLight(float3
position : TEXCOORD0,
float3
normal : TEXCOORD1,
const uniform float3
eye,
const uniform float3
light) {
float3 L = normalize(light – position);
float3 V = normalize(eye – position);
outColor = computeRd(L, N) + computeRs(L, V, N);
}