+layout (location = 1) out vec2 oMotionVec;
+
+in vec3 aMotionVec0;
+in vec3 aMotionVec1;
+
+void compute_motion_vectors()
+{
+ // Write motion vectors
+ vec2 vmotion0 = aMotionVec0.xy / aMotionVec0.z;
+ vec2 vmotion1 = aMotionVec1.xy / aMotionVec1.z;
+ oMotionVec = vmotion1-vmotion0;
+}