OpenSubdiv/opensubdiv/far/loopPatchBuilder.h
barry f15d4ae02f Internal refactoring to support multiple precision:
- overloaded PatchBuilder to populate SparseMatrix as float or double
    - simplified PatchTableBuilder handling of matrices and Varying stencils
2018-07-23 11:00:35 -07:00

74 lines
2.6 KiB
C++

//
// Copyright 2017 DreamWorks Animation LLC.
//
// 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.
//
#ifndef OPENSUBDIV3_FAR_LOOP_PATCH_BUILDER_H
#define OPENSUBDIV3_FAR_LOOP_PATCH_BUILDER_H
#include "../version.h"
#include "../far/patchBuilder.h"
namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {
namespace Far {
//
// LoopPatchBuilder
//
// Declaration of PatchBuilder subclass supporting Sdc::SCHEME_LOOP.
// Required virtual methods are included, along with any customizations
// local to their implementation.
//
class LoopPatchBuilder : public PatchBuilder {
public:
LoopPatchBuilder(TopologyRefiner const& refiner, Options const& options);
virtual ~LoopPatchBuilder();
protected:
virtual PatchDescriptor::Type patchTypeFromBasis(BasisType basis) const;
virtual int convertToPatchType(SourcePatch const & sourcePatch,
PatchDescriptor::Type patchType,
SparseMatrix<float> & matrix) const;
virtual int convertToPatchType(SourcePatch const & sourcePatch,
PatchDescriptor::Type patchType,
SparseMatrix<double> & matrix) const;
private:
template <typename REAL>
int convertSourcePatch(SourcePatch const & sourcePatch,
PatchDescriptor::Type patchType,
SparseMatrix<REAL> & matrix) const;
};
} // end namespace Far
} // end namespace OPENSUBDIV_VERSION
using namespace OPENSUBDIV_VERSION;
} // end namespace OpenSubdiv
#endif /* OPENSUBDIV3_FAR_LOOP_PATCH_BUILDER_H */