#version 460
#extension GL_EXT_multiview : require
#extension GL_GOOGLE_include_directive : require

#include "lovr.glsl"

vec4 lovrmain() {
  float x = -1 + float((VertexIndex & 1) << 2);
  float y = -1 + float((VertexIndex & 2) << 1);
  UV = vec2(x, y) * .5 + .5;
  return vec4(x, y, 1., 1.);
}