gtk2/gsk/resources/glsl/blur.vs.glsl

out vec2 size;
void main() {
  gl_Position = uProjection * uModelview * vec4(aPosition, 0.0, 1.0);


  vUv = vec2(aUv.x, aUv.y);
  /*size = vec2(aPosition.z - aPosition.z, aPosition.y - aPosition.w);*/
}