test/intern/cycles/kernel/osl/shaders/node_camera.osl

/* SPDX-License-Identifier: Apache-2.0
 * Copyright 2011-2022 Blender Foundation */

#include "stdcycles.h"

shader node_camera(output vector ViewVector = vector(0.0, 0.0, 0.0),
                   output float ViewZDepth = 0.0,
                   output float ViewDistance = 0.0)
{
  ViewVector = (vector)transform("world", "camera", P);

  ViewZDepth = fabs(ViewVector[2]);
  ViewDistance = length(ViewVector);

  ViewVector = normalize(ViewVector);
}