mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-12-01 07:40:07 +00:00
6ba910cd95
- modified main LimitMask queries to include subdivision Rule
- split internal mask assignments into corner, crease and smooth cases
- adapted all three schemes to the new structure
- completed limit tangents for Loop
- update TopologyRefiner Limit methods to pass newly required Rule
165 lines
4.9 KiB
C++
165 lines
4.9 KiB
C++
//
|
|
// 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
|
|
// 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 SDC_BILINEAR_SCHEME_H
|
|
#define 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 ambibuous 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 /* SDC_BILINEAR_SCHEME_H */
|