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https://github.com/PixarAnimationStudios/OpenSubdiv
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0beb654f0b
Noticed a few typos when browsing comments. Proceeded with a "manual spell check", reading all comments and tweaking spelling, grammar, punctuation. Didn't bother with Hbr library. Comments only, no functional changes.
108 lines
3.6 KiB
C++
108 lines
3.6 KiB
C++
//
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// Copyright 2014 DreamWorks Animation LLC.
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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_VTR_TRI_REFINEMENT_H
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#define OPENSUBDIV3_VTR_TRI_REFINEMENT_H
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#include "../version.h"
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#include "../vtr/refinement.h"
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Vtr {
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namespace internal {
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//
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// TriRefinement:
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// A TriRefinement is a subclass of Refinement that splits all faces into tris.
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// It provides the configuration of parent-to-child components and the population of
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// all required topological relations in order to complete a valid Refinement.
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//
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class TriRefinement : public Refinement {
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public:
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TriRefinement(Level const & parent, Level & child, Sdc::Options const & options);
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~TriRefinement();
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protected:
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//
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// Virtual methods to complete the configuration of the parent-to-child mapping:
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//
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virtual void allocateParentChildIndices();
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virtual void markSparseFaceChildren();
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//
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// Virtual methods to populate the six topological relations:
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//
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virtual void populateFaceVertexRelation();
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virtual void populateFaceEdgeRelation();
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virtual void populateEdgeVertexRelation();
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virtual void populateEdgeFaceRelation();
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virtual void populateVertexFaceRelation();
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virtual void populateVertexEdgeRelation();
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//
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// Internal helper methods for populating the topology -- a few of these are
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// identical to what is used for quad-splitting, so we may move them to the
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// base class...
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//
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void populateFaceVertexCountsAndOffsets();
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void populateFaceVerticesFromParentFaces();
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void populateFaceEdgesFromParentFaces();
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void populateEdgeVerticesFromParentFaces();
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void populateEdgeVerticesFromParentEdges();
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void populateEdgeFacesFromParentFaces();
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void populateEdgeFacesFromParentEdges();
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void populateVertexFacesFromParentEdges();
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void populateVertexFacesFromParentVertices();
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void populateVertexEdgesFromParentEdges();
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void populateVertexEdgesFromParentVertices();
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private:
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//
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// Unlike the quad-split, which can share some vectors with the parent Level since
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// child components correspond to face-vertices, the tri-split must define its
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// own local vectors to identify the children for each parent component -- to
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// be referenced within the base class for more immediate/inline access:
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//
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IndexVector _localFaceChildFaceCountsAndOffsets;
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};
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} // end namespace internal
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} // end namespace Vtr
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} // end namespace OPENSUBDIV_VERSION
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using namespace OPENSUBDIV_VERSION;
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} // end namespace OpenSubdiv
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#endif /* OPENSUBDIV3_VTR_REFINEMENT_H */
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