mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
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84 lines
2.8 KiB
C++
84 lines
2.8 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/far/patchTable.h>
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#include <opensubdiv/far/patchTableFactory.h>
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#include <opensubdiv/far/patchMap.h>
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#include <opensubdiv/far/ptexIndices.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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//
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// FarPatchEvaluator bundles the Far::PatchTable and its ecosystem of
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// related class to provide an evaluation interface targeted towards
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// evaluation of the base faces of a mesh.
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//
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template <typename REAL>
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class FarPatchEvaluator {
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public:
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typedef Far::PatchTableFactory PatchFactory;
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typedef Bfr::SurfaceFactory::Options BfrSurfaceOptions;
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typedef std::vector<REAL> TessCoordVector;
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typedef Vec3<REAL> Vec3Real;
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typedef std::vector<Vec3Real> Vec3RealVector;
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public:
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FarPatchEvaluator(Far::TopologyRefiner const & baseMesh,
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Vec3RealVector const & basePos,
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Vec3RealVector const & baseUVs,
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BfrSurfaceOptions const & bfrSurfaceOptions);
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~FarPatchEvaluator();
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public:
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bool FaceHasLimit(Far::Index baseFace) const;
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void Evaluate(Far::Index 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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Far::TopologyRefiner const & _baseMesh;
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Vec3RealVector const & _baseMeshPos;
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Vec3RealVector const & _baseMeshUVs;
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Far::PatchTable * _patchTable;
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Far::PatchMap * _patchMap;
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Far::PtexIndices * _patchFaces;
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Vec3RealVector _patchPos;
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Vec3RealVector _patchUVs;
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int _regFaceSize;
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};
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