diff options
Diffstat (limited to 'thirdparty/embree-aarch64/kernels/subdiv/bilinear_patch.h')
-rw-r--r-- | thirdparty/embree-aarch64/kernels/subdiv/bilinear_patch.h | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/thirdparty/embree-aarch64/kernels/subdiv/bilinear_patch.h b/thirdparty/embree-aarch64/kernels/subdiv/bilinear_patch.h deleted file mode 100644 index 35748754bd..0000000000 --- a/thirdparty/embree-aarch64/kernels/subdiv/bilinear_patch.h +++ /dev/null @@ -1,191 +0,0 @@ -// Copyright 2009-2020 Intel Corporation -// SPDX-License-Identifier: Apache-2.0 - -#pragma once - -#include "catmullclark_patch.h" -#include "bezier_curve.h" - -namespace embree -{ - template<typename Vertex, typename Vertex_t = Vertex> - class __aligned(64) BilinearPatchT - { - typedef CatmullClark1RingT<Vertex,Vertex_t> CatmullClarkRing; - typedef CatmullClarkPatchT<Vertex,Vertex_t> CatmullClarkPatch; - - public: - Vertex v[4]; - - public: - - __forceinline BilinearPatchT () {} - - __forceinline BilinearPatchT (const HalfEdge* edge, const BufferView<Vertex>& vertices) { - init(edge,vertices.getPtr(),vertices.getStride()); - } - - __forceinline BilinearPatchT (const HalfEdge* edge, const char* vertices, size_t stride) { - init(edge,vertices,stride); - } - - __forceinline void init (const HalfEdge* edge, const char* vertices, size_t stride) - { - v[0] = Vertex::loadu(vertices+edge->getStartVertexIndex()*stride); edge = edge->next(); - v[1] = Vertex::loadu(vertices+edge->getStartVertexIndex()*stride); edge = edge->next(); - v[2] = Vertex::loadu(vertices+edge->getStartVertexIndex()*stride); edge = edge->next(); - v[3] = Vertex::loadu(vertices+edge->getStartVertexIndex()*stride); edge = edge->next(); - } - - __forceinline BilinearPatchT (const CatmullClarkPatch& patch) - { - v[0] = patch.ring[0].getLimitVertex(); - v[1] = patch.ring[1].getLimitVertex(); - v[2] = patch.ring[2].getLimitVertex(); - v[3] = patch.ring[3].getLimitVertex(); - } - - __forceinline BBox<Vertex> bounds() const - { - - BBox<Vertex> bounds (v[0]); - bounds.extend(v[1]); - bounds.extend(v[2]); - bounds.extend(v[3]); - return bounds; - } - - __forceinline Vertex eval(const float uu, const float vv) const { - return lerp(lerp(v[0],v[1],uu),lerp(v[3],v[2],uu),vv); - } - - __forceinline Vertex eval_du(const float uu, const float vv) const { - return lerp(v[1]-v[0],v[2]-v[3],vv); - } - - __forceinline Vertex eval_dv(const float uu, const float vv) const { - return lerp(v[3]-v[0],v[2]-v[1],uu); - } - - __forceinline Vertex eval_dudu(const float uu, const float vv) const { - return Vertex(zero); - } - - __forceinline Vertex eval_dvdv(const float uu, const float vv) const { - return Vertex(zero); - } - - __forceinline Vertex eval_dudv(const float uu, const float vv) const { - return (v[2]-v[3]) - (v[1]-v[0]); - } - - __forceinline Vertex normal(const float uu, const float vv) const { - return cross(eval_du(uu,vv),eval_dv(uu,vv)); - } - - __forceinline void eval(const float u, const float v, - Vertex* P, Vertex* dPdu, Vertex* dPdv, Vertex* ddPdudu, Vertex* ddPdvdv, Vertex* ddPdudv, - const float dscale = 1.0f) const - { - if (P) { - *P = eval(u,v); - } - if (dPdu) { - assert(dPdu); *dPdu = eval_du(u,v)*dscale; - assert(dPdv); *dPdv = eval_dv(u,v)*dscale; - } - if (ddPdudu) { - assert(ddPdudu); *ddPdudu = eval_dudu(u,v)*sqr(dscale); - assert(ddPdvdv); *ddPdvdv = eval_dvdv(u,v)*sqr(dscale); - assert(ddPdudv); *ddPdudv = eval_dudv(u,v)*sqr(dscale); - } - } - - template<class vfloat> - __forceinline Vec3<vfloat> eval(const vfloat& uu, const vfloat& vv) const - { - const vfloat x = lerp(lerp(v[0].x,v[1].x,uu),lerp(v[3].x,v[2].x,uu),vv); - const vfloat y = lerp(lerp(v[0].y,v[1].y,uu),lerp(v[3].y,v[2].y,uu),vv); - const vfloat z = lerp(lerp(v[0].z,v[1].z,uu),lerp(v[3].z,v[2].z,uu),vv); - return Vec3<vfloat>(x,y,z); - } - - template<class vfloat> - __forceinline Vec3<vfloat> eval_du(const vfloat& uu, const vfloat& vv) const - { - const vfloat x = lerp(v[1].x-v[0].x,v[2].x-v[3].x,vv); - const vfloat y = lerp(v[1].y-v[0].y,v[2].y-v[3].y,vv); - const vfloat z = lerp(v[1].z-v[0].z,v[2].z-v[3].z,vv); - return Vec3<vfloat>(x,y,z); - } - - template<class vfloat> - __forceinline Vec3<vfloat> eval_dv(const vfloat& uu, const vfloat& vv) const - { - const vfloat x = lerp(v[3].x-v[0].x,v[2].x-v[1].x,uu); - const vfloat y = lerp(v[3].y-v[0].y,v[2].y-v[1].y,uu); - const vfloat z = lerp(v[3].z-v[0].z,v[2].z-v[1].z,uu); - return Vec3<vfloat>(x,y,z); - } - - template<typename vfloat> - __forceinline Vec3<vfloat> normal(const vfloat& uu, const vfloat& vv) const { - return cross(eval_du(uu,vv),eval_dv(uu,vv)); - } - - template<class vfloat> - __forceinline vfloat eval(const size_t i, const vfloat& uu, const vfloat& vv) const { - return lerp(lerp(v[0][i],v[1][i],uu),lerp(v[3][i],v[2][i],uu),vv); - } - - template<class vfloat> - __forceinline vfloat eval_du(const size_t i, const vfloat& uu, const vfloat& vv) const { - return lerp(v[1][i]-v[0][i],v[2][i]-v[3][i],vv); - } - - template<class vfloat> - __forceinline vfloat eval_dv(const size_t i, const vfloat& uu, const vfloat& vv) const { - return lerp(v[3][i]-v[0][i],v[2][i]-v[1][i],uu); - } - - template<class vfloat> - __forceinline vfloat eval_dudu(const size_t i, const vfloat& uu, const vfloat& vv) const { - return vfloat(zero); - } - - template<class vfloat> - __forceinline vfloat eval_dvdv(const size_t i, const vfloat& uu, const vfloat& vv) const { - return vfloat(zero); - } - - template<class vfloat> - __forceinline vfloat eval_dudv(const size_t i, const vfloat& uu, const vfloat& vv) const { - return (v[2][i]-v[3][i]) - (v[1][i]-v[0][i]); - } - - template<typename vbool, typename vfloat> - __forceinline void eval(const vbool& valid, const vfloat& uu, const vfloat& vv, - float* P, float* dPdu, float* dPdv, float* ddPdudu, float* ddPdvdv, float* ddPdudv, - const float dscale, const size_t dstride, const size_t N) const - { - if (P) { - for (size_t i=0; i<N; i++) vfloat::store(valid,P+i*dstride,eval(i,uu,vv)); - } - if (dPdu) { - for (size_t i=0; i<N; i++) { - assert(dPdu); vfloat::store(valid,dPdu+i*dstride,eval_du(i,uu,vv)*dscale); - assert(dPdv); vfloat::store(valid,dPdv+i*dstride,eval_dv(i,uu,vv)*dscale); - } - } - if (ddPdudu) { - for (size_t i=0; i<N; i++) { - assert(ddPdudu); vfloat::store(valid,ddPdudu+i*dstride,eval_dudu(i,uu,vv)*sqr(dscale)); - assert(ddPdvdv); vfloat::store(valid,ddPdvdv+i*dstride,eval_dvdv(i,uu,vv)*sqr(dscale)); - assert(ddPdudv); vfloat::store(valid,ddPdudv+i*dstride,eval_dudv(i,uu,vv)*sqr(dscale)); - } - } - } - }; - - typedef BilinearPatchT<Vec3fa,Vec3fa_t> BilinearPatch3fa; -} |