// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <impeller/types.glsl>

uniform FrameInfo {
  mat4 mvp;
  float depth;
}
frame_info;

in vec2 position;

void main() {
  gl_Position = frame_info.mvp * vec4(position, 0.0, 1.0);
  // We can just absorb W and override the depth value here because we don't
  // need to worry about perspective correcting any vertex attributes when
  // drawing clips.
  gl_Position /= gl_Position.w;
  gl_Position.z = frame_info.depth;
}