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https://github.com/PixarAnimationStudios/OpenSubdiv
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392e5e8bed
While this may be worth revisiting, we should first quantify the benefits and identify the compilers that support it. Ultimately, we may never use pragma once in favor of strictly using standard C++.
80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
//
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// Copyright 2015 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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#ifndef OPENSUBDIV3_FAR_END_CAP_LEGACY_GREGORY_PATCH_FACTORY_H
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#define OPENSUBDIV3_FAR_END_CAP_LEGACY_GREGORY_PATCH_FACTORY_H
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#include "../far/patchTablesFactory.h"
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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class PatchTables;
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class TopologyRefiner;
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namespace Far {
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/// \brief This factory generates legacy (OpenSubdiv 2.x) gregory patches.
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///
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/// note: This is an internal use class in PatchTablesFactory.
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/// will be deprecated at some point.
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///
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class EndCapLegacyGregoryPatchFactory {
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public:
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EndCapLegacyGregoryPatchFactory(TopologyRefiner const & refiner);
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/// \brief Returns end patch point indices for \a faceIndex of \a level.
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/// Note that legacy gregory patch points exist in the max level
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/// of subdivision in the topologyRefiner.
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/// The returning indices are offsetted by levelVertOffset
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///
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/// @param level vtr refinement level
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///
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/// @param faceIndex vtr faceIndex at the level
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///
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/// @param levelPatchTags Array of patchTags for all faces in the level
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///
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/// @param levelVertOffset relative offset of patch vertex indices
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///
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ConstIndexArray GetPatchPoints(Vtr::Level const * level, Index faceIndex,
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PatchTablesFactory::PatchFaceTag const * levelPatchTags,
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int levelVertOffset);
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void Finalize(PatchTables *patchTables);
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private:
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TopologyRefiner const &_refiner;
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std::vector<Index> _gregoryTopology;
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std::vector<Index> _gregoryBoundaryTopology;
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std::vector<Index> _gregoryFaceIndices;
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std::vector<Index> _gregoryBoundaryFaceIndices;
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};
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} // end namespace Far
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} // end namespace OPENSUBDIV_VERSION
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} // end namespace OpenSubdiv
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#endif // OPENSUBDIV3_FAR_END_CAP_LEGACY_GREGORY_PATCH_FACTORY_H
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