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Copyright 2013 Pixar
Licensed under the Apache License, Version 2.0 (the "Apache License")
with the following modification; you may not use this file except in
compliance with the Apache License and the following modification to it:
Section 6. Trademarks. is deleted and replaced with:
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor
and its affiliates, except as required to comply with Section 4(c) of
the License and to reproduce the content of the NOTICE file.
You may obtain a copy of the Apache License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the Apache License with the above modification is
distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the Apache License for the specific
language governing permissions and limitations under the Apache License.
124 lines
4.4 KiB
C++
124 lines
4.4 KiB
C++
//
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// Copyright 2013 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 EXAMPLES_MAYAVIEWER_HBRUTIL_H_
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#define EXAMPLES_MAYAVIEWER_HBRUTIL_H_
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#include <far/meshFactory.h> // need to define HBR_ADAPTIVE
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#include <hbr/mesh.h>
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#include <osd/vertex.h>
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#include <vector>
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typedef OpenSubdiv::HbrMesh<OpenSubdiv::OsdVertex> OsdHbrMesh;
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typedef OpenSubdiv::HbrVertex<OpenSubdiv::OsdVertex> OsdHbrVertex;
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typedef OpenSubdiv::HbrFace<OpenSubdiv::OsdVertex> OsdHbrFace;
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typedef OpenSubdiv::HbrHalfedge<OpenSubdiv::OsdVertex> OsdHbrHalfedge;
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typedef OpenSubdiv::HbrFVarData<OpenSubdiv::OsdVertex> OsdHbrFVarData;
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// XXX placeholder for enums used by ConvertToHBR
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// would be nice if these came from OsdHbrMesh, is there a util
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// class where these could live?
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typedef struct
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{
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enum SchemeType { kCatmark=0,
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kLoop=1,
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kBilinear=2 };
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} HbrMeshUtil;
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//
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// Face-varying data descriptor
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// Wrapper for basic information needed to request
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// face-varying data allocation from HBR
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//
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class FVarDataDesc
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{
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public:
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// Must be instantiated with descriptor information
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FVarDataDesc( int count,
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const int *indices, // start index for each face-varying variable
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const int *widths, // width for each face-varying variable
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int width,
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OsdHbrMesh::InterpolateBoundaryMethod
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boundary=OsdHbrMesh::k_InterpolateBoundaryNone
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)
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{
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_fvarCount = count;
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_totalfvarWidth = width;
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_fvarIndices.assign( indices, indices+count );
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_fvarWidths.assign( widths, widths+count );
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_interpBoundary = boundary;
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}
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~FVarDataDesc() {}
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// Accessors
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int getCount() const { return _fvarCount; }
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const int *getIndices() const { return &_fvarIndices.front(); }
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const int *getWidths() const { return &_fvarWidths.front(); }
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int getTotalWidth() const { return _totalfvarWidth; }
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OsdHbrMesh::InterpolateBoundaryMethod
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getInterpBoundary() const { return _interpBoundary; }
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private:
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// Number of facevarying datums
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int _fvarCount;
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// Start indices of the facevarying data we want to store
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std::vector<int> _fvarIndices;
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// Individual widths of the facevarying data we want to store
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std::vector<int> _fvarWidths;
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// Total widths of the facevarying data
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int _totalfvarWidth;
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// How to interpolate boundaries
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OsdHbrMesh::InterpolateBoundaryMethod _interpBoundary;
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};
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extern "C" OsdHbrMesh *
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ConvertToHBR( int nVertices,
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std::vector<int> const & faceVertCounts,
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std::vector<int> const & faceIndices,
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std::vector<int> const & vtxCreaseIndices,
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std::vector<double> const & vtxCreases,
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std::vector<int> const & edgeCrease1Indices,
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std::vector<float> const & edgeCreases1,
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std::vector<int> const & edgeCrease2Indices,
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std::vector<double> const & edgeCreases2,
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OsdHbrMesh::InterpolateBoundaryMethod interpBoundary,
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HbrMeshUtil::SchemeType scheme,
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bool usingPtex=false,
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FVarDataDesc const * fvarDesc=NULL,
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std::vector<float> const * fvarData=NULL
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);
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#endif // EXAMPLES_MAYAVIEWER_HBRUTIL_H_
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