update bundled_deps

bundled_deps/libigl/igl/embree/ambient_occlusion.h

@@ -0,0 +1,59 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
+// 
+// This Source Code Form is subject to the terms of the Mozilla Public License 
+// v. 2.0. If a copy of the MPL was not distributed with this file, You can 
+// obtain one at http://mozilla.org/MPL/2.0/.
+#ifndef IGL_EMBREE_AMBIENT_OCCLUSION_H
+#define IGL_EMBREE_AMBIENT_OCCLUSION_H
+#include "../igl_inline.h"
+#include <Eigen/Core>
+namespace igl
+{
+  namespace embree
+  {
+    // Forward define
+    class EmbreeIntersector;
+    // Compute ambient occlusion per given point
+    //
+    // Inputs:
+    //    ei  EmbreeIntersector containing (V,F)
+    //    P  #P by 3 list of origin points
+    //    N  #P by 3 list of origin normals
+    // Outputs:
+    //    S  #P list of ambient occlusion values between 1 (fully occluded) and
+    //      0 (not occluded)
+    //
+    template <
+      typename DerivedP,
+      typename DerivedN,
+      typename DerivedS >
+    IGL_INLINE void ambient_occlusion(
+      const EmbreeIntersector & ei,
+      const Eigen::PlainObjectBase<DerivedP> & P,
+      const Eigen::PlainObjectBase<DerivedN> & N,
+      const int num_samples,
+      Eigen::PlainObjectBase<DerivedS> & S);
+    // Wrapper which builds new EmbreeIntersector for (V,F). That's expensive so
+    // avoid this if repeatedly calling.
+    template <
+      typename DerivedV,
+      typename DerivedF,
+      typename DerivedP,
+      typename DerivedN,
+      typename DerivedS >
+    IGL_INLINE void ambient_occlusion(
+      const Eigen::PlainObjectBase<DerivedV> & V,
+      const Eigen::PlainObjectBase<DerivedF> & F,
+      const Eigen::PlainObjectBase<DerivedP> & P,
+      const Eigen::PlainObjectBase<DerivedN> & N,
+      const int num_samples,
+      Eigen::PlainObjectBase<DerivedS> & S);
+  }
+};
+#ifndef IGL_STATIC_LIBRARY
+#  include "ambient_occlusion.cpp"
+#endif
+
+#endif