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https://github.com/PixarAnimationStudios/OpenSubdiv
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55565cca84
Previously, this flag was being ignored during stencil table construction. Fixes issue #694
108 lines
3.3 KiB
C++
108 lines
3.3 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_STENCILBUILDER_H
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#define OPENSUBDIV3_FAR_STENCILBUILDER_H
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#include <vector>
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#include "../version.h"
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#include "../far/stencilTable.h"
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Far {
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namespace internal {
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class WeightTable;
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class StencilBuilder {
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public:
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StencilBuilder(int coarseVertCount,
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bool genCtrlVertStencils=true,
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bool compactWeights=true);
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~StencilBuilder();
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// TODO: noncopyable.
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size_t GetNumVerticesTotal() const;
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int GetNumVertsInStencil(size_t stencilIndex) const;
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void SetCoarseVertCount(int numVerts);
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// Mapping from stencil[i] to it's starting offset in the sources[] and weights[] arrays;
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std::vector<int> const& GetStencilOffsets() const;
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// The number of contributing sources and weights in stencil[i]
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std::vector<int> const& GetStencilSizes() const;
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// The absolute source vertex offsets.
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std::vector<int> const& GetStencilSources() const;
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// The individual vertex weights, each weight is paired with one source.
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std::vector<float> const& GetStencilWeights() const;
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std::vector<float> const& GetStencilDuWeights() const;
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std::vector<float> const& GetStencilDvWeights() const;
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// Vertex Facade.
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class Index {
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public:
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Index(StencilBuilder* owner, int index)
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: _owner(owner)
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, _index(index)
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{}
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// Add with point/vertex weight only.
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void AddWithWeight(Index const & src, float weight);
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void AddWithWeight(Stencil const& src, float weight);
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// Add with first derivative.
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void AddWithWeight(Stencil const& src,
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float weight, float du, float dv);
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Index operator[](int index) const {
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return Index(_owner, index+_index);
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}
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int GetOffset() const { return _index; }
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void Clear() {/*nothing to do here*/}
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private:
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StencilBuilder* _owner;
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int _index;
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};
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private:
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WeightTable* _weightTable;
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};
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} // end namespace internal
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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 // FAR_STENCILBUILDER_H
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