mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
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83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
//
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// Copyright 2021 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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#include "./types.h"
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#include <opensubdiv/far/topologyRefiner.h>
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#include <opensubdiv/bfr/refinerSurfaceFactory.h>
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#include <opensubdiv/bfr/tessellation.h>
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using namespace OpenSubdiv;
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using namespace OpenSubdiv::OPENSUBDIV_VERSION;
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template <typename REAL>
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class BfrSurfaceEvaluator {
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public:
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typedef Bfr::Surface<REAL> SurfaceType;
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typedef Bfr::RefinerSurfaceFactory<> SurfaceFactory;
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typedef Bfr::SurfaceFactory::Options FactoryOptions;
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typedef Bfr::SurfaceFactory::Index IndexType;
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typedef std::vector<REAL> TessCoordVector;
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typedef std::vector< Vec3<REAL> > Vec3Vector;
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public:
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BfrSurfaceEvaluator(Far::TopologyRefiner const & baseMesh,
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Vec3Vector const & basePos,
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Vec3Vector const & baseUVs,
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FactoryOptions const & factoryOptions);
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~BfrSurfaceEvaluator() { }
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public:
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bool FaceHasLimit(IndexType baseFace) const;
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void Evaluate(IndexType baseface,
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TessCoordVector const & tessCoords,
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EvalResults<REAL> & results) const;
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private:
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void evaluateDirectly(SurfaceType const & posSurface,
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SurfaceType const & uvSurface,
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TessCoordVector const & tessCoords,
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EvalResults<REAL> & results) const;
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void evaluateByStencils(SurfaceType const & posSurface,
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SurfaceType const & uvSurface,
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TessCoordVector const & tessCoords,
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EvalResults<REAL> & results) const;
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private:
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Far::TopologyRefiner const & _baseMesh;
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Vec3Vector const & _baseMeshPos;
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Vec3Vector const & _baseMeshUVs;
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SurfaceFactory _factory;
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};
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