layout (location=0) in vec4 a_co;

#include "motion_vectors_vs.glsl"

uniform mat4 uPv;
uniform mat4 uPvPrev;

out float aAlpha;

void main(){
   vec4 vproj0     = uPv     * vec4( a_co.xyz, 1.0 );
   vec4 vproj1     = uPvPrev * vec4( a_co.xyz, 1.0 );
   vs_motion_out( vproj0, vproj1 );

   gl_Position = vproj0;
   aAlpha = a_co.w;
}