bilinearScheme.h
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//
// Copyright 2014 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
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#ifndef OPENSUBDIV3_SDC_BILINEAR_SCHEME_H
#define OPENSUBDIV3_SDC_BILINEAR_SCHEME_H
#include "../version.h"
#include "../sdc/scheme.h"
namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {
namespace Sdc {
//
// Specializations for Scheme<SCHEME_BILINEAR>:
//
//
// Bilinear traits:
//
template <>
inline Split Scheme<SCHEME_BILINEAR>::GetTopologicalSplitType() { return SPLIT_TO_QUADS; }
template <>
inline int Scheme<SCHEME_BILINEAR>::GetRegularFaceSize() { return 4; }
template <>
inline int Scheme<SCHEME_BILINEAR>::GetRegularVertexValence() { return 4; }
template <>
inline int Scheme<SCHEME_BILINEAR>::GetLocalNeighborhoodSize() { return 0; }
//
// Refinement masks:
//
template <>
template <typename EDGE, typename MASK>
void
Scheme<SCHEME_BILINEAR>::ComputeEdgeVertexMask(EDGE const& edge, MASK& mask,
Crease::Rule, Crease::Rule) const {
// This should be inline, otherwise trivially replicate it:
assignCreaseMaskForEdge(edge, mask);
}
template <>
template <typename VERTEX, typename MASK>
void
Scheme<SCHEME_BILINEAR>::ComputeVertexVertexMask(VERTEX const& vertex, MASK& mask,
Crease::Rule, Crease::Rule) const {
// This should be inline, otherwise trivially replicate it:
assignCornerMaskForVertex(vertex, mask);
}
//
// Limit masks for position -- the limit position of all vertices is the refined vertex.
//
template <>
template <typename VERTEX, typename MASK>
inline void
Scheme<SCHEME_BILINEAR>::assignCornerLimitMask(VERTEX const& /* vertex */, MASK& posMask) const {
posMask.SetNumVertexWeights(1);
posMask.SetNumEdgeWeights(0);
posMask.SetNumFaceWeights(0);
posMask.SetFaceWeightsForFaceCenters(false);
posMask.VertexWeight(0) = 1.0f;
}
template <>
template <typename VERTEX, typename MASK>
inline void
Scheme<SCHEME_BILINEAR>::assignCreaseLimitMask(VERTEX const& vertex, MASK& posMask,
int const /* creaseEnds */[2]) const {
assignCornerLimitMask(vertex, posMask);
}
template <>
template <typename VERTEX, typename MASK>
inline void
Scheme<SCHEME_BILINEAR>::assignSmoothLimitMask(VERTEX const& vertex, MASK& posMask) const {
assignCornerLimitMask(vertex, posMask);
}
//
// Limit masks for tangents -- these are ambiguous around all vertices. Provide
// the tangents based on the incident edges of the first face.
//
template <>
template <typename VERTEX, typename MASK>
inline void
Scheme<SCHEME_BILINEAR>::assignCornerLimitTangentMasks(VERTEX const& /* vertex */,
MASK& tan1Mask, MASK& tan2Mask) const {
tan1Mask.SetNumVertexWeights(1);
tan1Mask.SetNumEdgeWeights(2);
tan1Mask.SetNumFaceWeights(0);
tan1Mask.SetFaceWeightsForFaceCenters(false);
tan2Mask.SetNumVertexWeights(1);
tan2Mask.SetNumEdgeWeights(2);
tan2Mask.SetNumFaceWeights(0);
tan2Mask.SetFaceWeightsForFaceCenters(false);
tan1Mask.VertexWeight(0) = -1.0f;
tan1Mask.EdgeWeight(0) = 1.0f;
tan1Mask.EdgeWeight(1) = 0.0f;
tan2Mask.VertexWeight(0) = -1.0f;
tan2Mask.EdgeWeight(0) = 0.0f;
tan2Mask.EdgeWeight(1) = 1.0f;
}
template <>
template <typename VERTEX, typename MASK>
inline void
Scheme<SCHEME_BILINEAR>::assignCreaseLimitTangentMasks(VERTEX const& vertex,
MASK& tan1Mask, MASK& tan2Mask, int const /* creaseEnds */[2]) const {
assignCornerLimitTangentMasks(vertex, tan1Mask, tan2Mask);
}
template <>
template <typename VERTEX, typename MASK>
inline void
Scheme<SCHEME_BILINEAR>::assignSmoothLimitTangentMasks(VERTEX const& vertex,
MASK& tan1Mask, MASK& tan2Mask) const {
assignCornerLimitTangentMasks(vertex, tan1Mask, tan2Mask);
}
} // end namespace sdc
} // end namespace OPENSUBDIV_VERSION
using namespace OPENSUBDIV_VERSION;
} // end namespace OpenSubdiv
#endif /* OPENSUBDIV3_SDC_BILINEAR_SCHEME_H */
OpenSubdiv
Definition: limits.h:32
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Split
Split
Enumerated type for all face splitting schemes.
Definition: types.h:47
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::SPLIT_TO_QUADS
@ SPLIT_TO_QUADS
Used by Catmark and Bilinear.
Definition: types.h:48
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Crease::Rule
Rule
Definition: crease.h:82
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Scheme::GetTopologicalSplitType
static Split GetTopologicalSplitType()
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Scheme::ComputeVertexVertexMask
void ComputeVertexVertexMask(VERTEX const &vertexNeighborhood, MASK &vertexVertexMask, Crease::Rule parentRule=Crease::RULE_UNKNOWN, Crease::Rule childRule=Crease::RULE_UNKNOWN) const
Vertex-vertex masks If known, a single Rule or pair of Rules can be specified (indicating a crease tr...
Definition: scheme.h:512
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Scheme::assignCreaseLimitTangentMasks
void assignCreaseLimitTangentMasks(VERTEX const &vertex, MASK &tan1, MASK &tan2, int const creaseEnds[2]) const
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Scheme::GetRegularFaceSize
static int GetRegularFaceSize()
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Scheme::ComputeEdgeVertexMask
void ComputeEdgeVertexMask(EDGE const &edgeNeighborhood, MASK &edgeVertexMask, Crease::Rule parentRule=Crease::RULE_UNKNOWN, Crease::Rule childRule=Crease::RULE_UNKNOWN) const
Edge-vertex masks If known, the Rule for the edge and/or the derived vertex can be specified to accel...
Definition: scheme.h:392
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Scheme::assignSmoothLimitMask
void assignSmoothLimitMask(VERTEX const &vertex, MASK &pos) const
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Scheme::GetLocalNeighborhoodSize
static int GetLocalNeighborhoodSize()
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Scheme::assignCreaseLimitMask
void assignCreaseLimitMask(VERTEX const &vertex, MASK &pos, int const creaseEnds[2]) const
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Scheme::GetRegularVertexValence
static int GetRegularVertexValence()
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Scheme::assignSmoothLimitTangentMasks
void assignSmoothLimitTangentMasks(VERTEX const &vertex, MASK &tan1, MASK &tan2) const
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Scheme::assignCornerLimitMask
void assignCornerLimitMask(VERTEX const &vertex, MASK &pos) const
OpenSubdiv::OPENSUBDIV_VERSION::Sdc::Scheme::assignCornerLimitTangentMasks
void assignCornerLimitTangentMasks(VERTEX const &vertex, MASK &tan1, MASK &tan2) const