shaders/motion_vectors_fs.glsl

   1 layout (location = 1) out vec2 oMotionVec;
   2
   3 in vec3 aMotionVec0;
   4 in vec3 aMotionVec1;
   5
   6 void compute_motion_vectors()
   7 {
   8    // Write motion vectors
   9    vec2 vmotion0 = aMotionVec0.xy / aMotionVec0.z;
  10    vec2 vmotion1 = aMotionVec1.xy / aMotionVec1.z;
  11    oMotionVec = vmotion1-vmotion0;
  12 }