ps_1_1

def c0, -0.5, -0.5, -0.5, -0.5

tex t0						// t1	// Sample the base map
tex t1						// t1	// Sample the gloss map
tex t2						// t1	// Sample the light map
tex	t3						// t1	// Sample the reflection map

mov r0, t0					// a1	// Move the base map into r0
lrp r0.rgb, t1, t3, r0		// a1	// Lerp between the reflection map and the base map based on the gloss map
add r1, t2, c0				// a1	// Scale the additive light map value
add r0.rgb, r0, r1			// a1	// Add the lightmap value to the result

// Total Instructions = 4 (texture) + 4 (arithmetic)