mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-12-13 04:20:10 +00:00
293 lines
9.9 KiB
C++
293 lines
9.9 KiB
C++
//
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// Copyright (C) Pixar. All rights reserved.
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//
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// This license governs use of the accompanying software. If you
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// use the software, you accept this license. If you do not accept
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// the license, do not use the software.
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//
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// 1. Definitions
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// The terms "reproduce," "reproduction," "derivative works," and
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// "distribution" have the same meaning here as under U.S.
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// copyright law. A "contribution" is the original software, or
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// any additions or changes to the software.
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// A "contributor" is any person or entity that distributes its
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// contribution under this license.
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// "Licensed patents" are a contributor's patent claims that read
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// directly on its contribution.
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//
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// 2. Grant of Rights
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// (A) Copyright Grant- Subject to the terms of this license,
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// including the license conditions and limitations in section 3,
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// each contributor grants you a non-exclusive, worldwide,
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// royalty-free copyright license to reproduce its contribution,
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// prepare derivative works of its contribution, and distribute
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// its contribution or any derivative works that you create.
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// (B) Patent Grant- Subject to the terms of this license,
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// including the license conditions and limitations in section 3,
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// each contributor grants you a non-exclusive, worldwide,
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// royalty-free license under its licensed patents to make, have
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// made, use, sell, offer for sale, import, and/or otherwise
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// dispose of its contribution in the software or derivative works
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// of the contribution in the software.
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//
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// 3. Conditions and Limitations
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// (A) No Trademark License- This license does not grant you
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// rights to use any contributor's name, logo, or trademarks.
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// (B) If you bring a patent claim against any contributor over
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// patents that you claim are infringed by the software, your
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// patent license from such contributor to the software ends
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// automatically.
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// (C) If you distribute any portion of the software, you must
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// retain all copyright, patent, trademark, and attribution
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// notices that are present in the software.
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// (D) If you distribute any portion of the software in source
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// code form, you may do so only under this license by including a
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// complete copy of this license with your distribution. If you
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// distribute any portion of the software in compiled or object
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// code form, you may only do so under a license that complies
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// with this license.
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// (E) The software is licensed "as-is." You bear the risk of
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// using it. The contributors give no express warranties,
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// guarantees or conditions. You may have additional consumer
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// rights under your local laws which this license cannot change.
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// To the extent permitted under your local laws, the contributors
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// exclude the implied warranties of merchantability, fitness for
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// a particular purpose and non-infringement.
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//
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#include <stdio.h>
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#include "../common/mutex.h"
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#include <hbr/mesh.h>
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#include <hbr/face.h>
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#include <hbr/vertex.h>
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#include <hbr/halfedge.h>
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#include <hbr/bilinear.h>
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#include <hbr/catmark.h>
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#include <hbr/loop.h>
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#include "../common/shape_utils.h"
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//
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// Regression testing matching Hbr to a pre-generated data-set
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//
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// Precision is currently held at bit-wise identical
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#define PRECISION 0
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//------------------------------------------------------------------------------
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// Vertex class implementation
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struct xyzVV {
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xyzVV() { }
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xyzVV( int /*i*/ ) { }
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xyzVV( float x, float y, float z ) { _pos[0]=x; _pos[1]=y; _pos[2]=z; }
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xyzVV( const xyzVV & src ) { _pos[0]=src._pos[0]; _pos[1]=src._pos[1]; _pos[2]=src._pos[2]; }
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~xyzVV( ) { }
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void AddWithWeight(const xyzVV& src, float weight, void * =0 ) {
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_pos[0]+=weight*src._pos[0];
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_pos[1]+=weight*src._pos[1];
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_pos[2]+=weight*src._pos[2];
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}
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void AddVaryingWithWeight(const xyzVV& , float, void * =0 ) { }
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void Clear( void * =0 ) { _pos[0]=_pos[1]=_pos[2]=0.0f; }
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void SetPosition(float x, float y, float z) { _pos[0]=x; _pos[1]=y; _pos[2]=z; }
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void ApplyVertexEdit(const OpenSubdiv::HbrVertexEdit<xyzVV> & edit) {
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const float *src = edit.GetEdit();
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switch(edit.GetOperation()) {
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case OpenSubdiv::HbrHierarchicalEdit<xyzVV>::Set:
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_pos[0] = src[0];
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_pos[1] = src[1];
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_pos[2] = src[2];
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break;
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case OpenSubdiv::HbrHierarchicalEdit<xyzVV>::Add:
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_pos[0] += src[0];
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_pos[1] += src[1];
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_pos[2] += src[2];
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break;
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case OpenSubdiv::HbrHierarchicalEdit<xyzVV>::Subtract:
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_pos[0] -= src[0];
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_pos[1] -= src[1];
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_pos[2] -= src[2];
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break;
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}
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}
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void ApplyMovingVertexEdit(const OpenSubdiv::HbrMovingVertexEdit<xyzVV> &) { }
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const float * GetPos() const { return _pos; }
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private:
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float _pos[3];
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};
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//------------------------------------------------------------------------------
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class xyzFV;
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typedef OpenSubdiv::HbrMesh<xyzVV> xyzmesh;
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typedef OpenSubdiv::HbrFace<xyzVV> xyzface;
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typedef OpenSubdiv::HbrVertex<xyzVV> xyzvertex;
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typedef OpenSubdiv::HbrHalfedge<xyzVV> xyzhalfedge;
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typedef OpenSubdiv::HbrFaceOperator<xyzVV> xyzFaceOperator;
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typedef OpenSubdiv::HbrVertexOperator<xyzVV> xyzVertexOperator;
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//------------------------------------------------------------------------------
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#include "./init_shapes.h"
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static shape * readShape( char const * fname ) {
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FILE * handle = fopen( fname, "rt" );
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if (not handle) {
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printf("Could not open \"%s\" - aborting.\n", fname);
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exit(0);
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}
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fseek( handle, 0, SEEK_END );
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size_t size = ftell(handle);
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fseek( handle, 0, SEEK_SET );
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char * shapeStr = new char[size+1];
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if ( fread( shapeStr, size, 1, handle)!=1 ) {
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printf("Error reading \"%s\" - aborting.\n", fname);
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exit(0);
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}
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fclose(handle);
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shapeStr[size]='\0';
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return shape::parseShape( shapeStr, 1 );
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}
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#define STR(x) x
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#ifdef HBR_BASELINE_DIR
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std::string g_baseline_path = STR(HBR_BASELINE_DIR);
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#else
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std::string g_baseline_path;
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#endif
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//------------------------------------------------------------------------------
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static int checkMesh( shaperec const & r, int levels ) {
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int count=0;
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float deltaAvg[3] = {0.0f, 0.0f, 0.0f},
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deltaCnt[3] = {0.0f, 0.0f, 0.0f};
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xyzmesh * mesh = simpleHbr<xyzVV>(r.data.c_str(), r.scheme, 0);
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int firstface=0, lastface=mesh->GetNumFaces(), nfaces,
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firstvert=0, lastvert=mesh->GetNumVertices(), nverts;
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printf("- %s (scheme=%d)\n", r.name.c_str(), r.scheme);
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for (int l=0; l<levels; ++l ) {
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std::stringstream fname;
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fname << g_baseline_path << r.name << "_level" << l << ".obj";
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shape * sh = readShape( fname.str().c_str() );
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assert(sh);
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// subdivide up to current level
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for (int i=firstface; i<lastface; ++i) {
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xyzface * f = mesh->GetFace(i);
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f->Refine();
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}
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firstface = lastface;
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lastface = mesh->GetNumFaces();
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nfaces = lastface - firstface;
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firstvert = lastvert;
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lastvert = mesh->GetNumVertices();
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nverts = lastvert - firstvert;
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for (int i=firstvert; i<lastvert; ++i) {
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const float * apos = mesh->GetVertex(i)->GetData().GetPos(),
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* bpos = &sh->verts[(i-firstvert)*3];
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if ( apos[0] != bpos[0] )
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deltaCnt[0]++;
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if ( apos[1] != bpos[1] )
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deltaCnt[1]++;
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if ( apos[2] != bpos[2] )
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deltaCnt[2]++;
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float delta[3] = { apos[0] - bpos[0],
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apos[1] - bpos[1],
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apos[2] - bpos[2] };
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deltaAvg[0]+=delta[0];
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deltaAvg[1]+=delta[1];
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deltaAvg[2]+=delta[2];
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float dist = sqrtf( delta[0]*delta[0]+delta[1]*delta[1]+delta[2]*delta[2]);
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if ( dist > PRECISION ) {
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printf("// HbrVertex<T> %d fails : dist=%.10f (%.10f %.10f %.10f)"
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" (%.10f %.10f %.10f)\n", i, dist, apos[0],
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apos[1],
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apos[2],
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bpos[0],
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bpos[1],
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bpos[2] );
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count++;
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}
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}
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delete sh;
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}
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if (deltaCnt[0])
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deltaAvg[0]/=deltaCnt[0];
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if (deltaCnt[1])
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deltaAvg[1]/=deltaCnt[1];
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if (deltaCnt[2])
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deltaAvg[2]/=deltaCnt[2];
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printf(" delta ratio : (%d/%d %d/%d %d/%d)\n", (int)deltaCnt[0], nverts,
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(int)deltaCnt[1], nverts,
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(int)deltaCnt[2], nverts );
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printf(" average delta : (%.10f %.10f %.10f)\n", deltaAvg[0],
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deltaAvg[1],
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deltaAvg[2] );
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if (count==0)
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printf(" success !\n");
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delete mesh;
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return count;
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}
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//------------------------------------------------------------------------------
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int main(int /* argc */, char ** /* argv */) {
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int levels=5, total=0;
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initShapes();
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printf("Baseline Path : \"%s\"\n", g_baseline_path.c_str());
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for (int i=0; i<(int)g_shapes.size(); ++i)
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total+=checkMesh( g_shapes[i], levels );
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if (total==0)
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printf("All tests passed.\n");
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else
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printf("Total failures : %d\n", total);
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}
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