1 files changed, 0 insertions, 62 deletions
diff --git a/intern/cycles/kernel/shaders/node_fresnel.h b/intern/cycles/kernel/shaders/node_fresnel.h
deleted file mode 100644
index ade1d4c6207..00000000000
--- a/intern/cycles/kernel/shaders/node_fresnel.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Adapted from Open Shading Language with this license:
- *
- * Copyright (c) 2009-2010 Sony Pictures Imageworks Inc., et al.
- * All Rights Reserved.
- *
- * Modifications Copyright 2011, Blender Foundation.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- * * Redistributions of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- *   notice, this list of conditions and the following disclaimer in the
- *   documentation and/or other materials provided with the distribution.
- * * Neither the name of Sony Pictures Imageworks nor the names of its
- *   contributors may be used to endorse or promote products derived from
- *   this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-float fresnel_dielectric_cos(float cosi, float eta)
-{
-  /* compute fresnel reflectance without explicitly computing
-   * the refracted direction */
-  float c = fabs(cosi);
-  float g = eta * eta - 1 + c * c;
-  float result;
-
-  if (g > 0) {
-    g = sqrt(g);
-    float A = (g - c) / (g + c);
-    float B = (c * (g + c) - 1) / (c * (g - c) + 1);
-    result = 0.5 * A * A * (1 + B * B);
-  }
-  else
-    result = 1.0; /* TIR (no refracted component) */
-
-  return result;
-}
-
-color fresnel_conductor(float cosi, color eta, color k)
-{
-  color cosi2 = color(cosi * cosi);
-  color one = color(1, 1, 1);
-  color tmp_f = eta * eta + k * k;
-  color tmp = tmp_f * cosi2;
-  color Rparl2 = (tmp - (2.0 * eta * cosi) + one) / (tmp + (2.0 * eta * cosi) + one);
-  color Rperp2 = (tmp_f - (2.0 * eta * cosi) + cosi2) / (tmp_f + (2.0 * eta * cosi) + cosi2);
-  return (Rparl2 + Rperp2) * 0.5;
-}