1 files changed, 0 insertions, 76 deletions
diff --git a/thirdparty/embree-aarch64/kernels/geometry/quad_intersector.h b/thirdparty/embree-aarch64/kernels/geometry/quad_intersector.h
deleted file mode 100644
index 57ff4e60e5..0000000000
--- a/thirdparty/embree-aarch64/kernels/geometry/quad_intersector.h
+++ /dev/null
@@ -1,76 +0,0 @@
-// Copyright 2009-2020 Intel Corporation
-// SPDX-License-Identifier: Apache-2.0
-
-#pragma once
-
-namespace embree
-{
-  namespace isa
-  {
-    /*! Intersects a ray with a quad with backface culling
-     *  enabled. The quad v0,v1,v2,v3 is split into two triangles
-     *  v0,v1,v3 and v2,v3,v1. The edge v1,v2 decides which of the two
-     *  triangles gets intersected. */
-    template<int N>
-    __forceinline vbool<N> intersect_quad_backface_culling(const vbool<N>& valid0,
-                                                           const Vec3fa& ray_org,
-                                                           const Vec3fa& ray_dir,
-                                                           const float ray_tnear,
-                                                           const float ray_tfar,
-                                                           const Vec3vf<N>& quad_v0,
-                                                           const Vec3vf<N>& quad_v1,
-                                                           const Vec3vf<N>& quad_v2,
-                                                           const Vec3vf<N>& quad_v3,
-                                                           vfloat<N>& u_o,
-                                                           vfloat<N>& v_o,
-                                                           vfloat<N>& t_o)
-    {
-      /* calculate vertices relative to ray origin */
-      vbool<N> valid = valid0;
-      const Vec3vf<N> O = Vec3vf<N>(ray_org);
-      const Vec3vf<N> D = Vec3vf<N>(ray_dir);
-      const Vec3vf<N> va = quad_v0-O;
-      const Vec3vf<N> vb = quad_v1-O;
-      const Vec3vf<N> vc = quad_v2-O;
-      const Vec3vf<N> vd = quad_v3-O;
-
-      const Vec3vf<N> edb = vb-vd;
-      const vfloat<N> WW = dot(cross(vd,edb),D);
-      const Vec3vf<N> v0 = select(WW <= 0.0f,va,vc);
-      const Vec3vf<N> v1 = select(WW <= 0.0f,vb,vd);
-      const Vec3vf<N> v2 = select(WW <= 0.0f,vd,vb);
-
-      /* calculate edges */
-      const Vec3vf<N> e0 = v2-v0;
-      const Vec3vf<N> e1 = v0-v1;
-
-      /* perform edge tests */
-      const vfloat<N> U = dot(cross(v0,e0),D);
-      const vfloat<N> V = dot(cross(v1,e1),D);
-      valid &= max(U,V) <= 0.0f;
-      if (unlikely(none(valid))) return false;
-
-      /* calculate geometry normal and denominator */
-      const Vec3vf<N> Ng = cross(e1,e0);
-      const vfloat<N> den = dot(Ng,D);
-      const vfloat<N> rcpDen = rcp(den);
-
-      /* perform depth test */
-      const vfloat<N> t = rcpDen*dot(v0,Ng);
-      valid &= vfloat<N>(ray_tnear) <= t & t <= vfloat<N>(ray_tfar);
-      if (unlikely(none(valid))) return false;
-
-      /* avoid division by 0 */
-      valid &= den != vfloat<N>(zero);
-      if (unlikely(none(valid))) return false;
-
-      /* update hit information */
-      t_o = t;
-      u_o = U * rcpDen;
-      v_o = V * rcpDen;
-      u_o = select(WW <= 0.0f,u_o,1.0f-u_o);
-      v_o = select(WW <= 0.0f,v_o,1.0f-v_o);
-      return valid;
-    }
-  }
-}