OpenSubdiv/opensubdiv/far/topologyRefiner.h
barfowl 85b65bd2ef Moved Vtr classes within internal namespace:
- moved all major Vtr classes within namespace internal
    - updated all Vtr class access with Far
2015-05-25 20:34:50 -07:00

341 lines
13 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 OPENSUBDIV3_FAR_TOPOLOGY_REFINER_H
#define OPENSUBDIV3_FAR_TOPOLOGY_REFINER_H
#include "../version.h"
#include "../sdc/types.h"
#include "../sdc/options.h"
#include "../vtr/level.h"
#include "../vtr/refinement.h"
#include "../far/types.h"
#include "../far/error.h"
#include "../far/topologyLevel.h"
#include <vector>
#include <cassert>
#include <cstdio>
// No longer necessary -- remove once we verify nothing implicitly relies on them:
#include "../sdc/bilinearScheme.h"
#include "../sdc/catmarkScheme.h"
#include "../sdc/loopScheme.h"
#include "../vtr/fvarLevel.h"
#include "../vtr/fvarRefinement.h"
#include "../vtr/stackBuffer.h"
#include "../vtr/maskInterfaces.h"
namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {
namespace Vtr { namespace internal { class SparseSelector; } }
namespace Far {
template <class MESH> class TopologyRefinerFactory;
///
/// \brief Stores topology data for a specified set of refinement options.
///
class TopologyRefiner {
public:
/// \brief Constructor
TopologyRefiner(Sdc::SchemeType type, Sdc::Options options = Sdc::Options());
/// \brief Destructor
~TopologyRefiner();
/// \brief Returns the subdivision scheme
Sdc::SchemeType GetSchemeType() const { return _subdivType; }
/// \brief Returns the subdivision options
Sdc::Options GetSchemeOptions() const { return _subdivOptions; }
/// \brief Returns true if uniform subdivision has been applied
bool IsUniform() const { return _isUniform; }
/// \brief Returns the number of refinement levels
int GetNumLevels() const { return (int)_levels.size(); }
/// \brief Returns the highest level of refinement
int GetMaxLevel() const { return _maxLevel; }
/// \brief Returns the maximum vertex valence in all levels
int GetMaxValence() const { return _maxValence; }
/// \ brief Returns true if faces have been tagged as holes
bool HasHoles() const { return _hasHoles; }
/// \brief Returns the total number of vertices in all levels
int GetNumVerticesTotal() const { return _totalVertices; }
/// \brief Returns the total number of edges in all levels
int GetNumEdgesTotal() const { return _totalEdges; }
/// \brief Returns the total number of edges in all levels
int GetNumFacesTotal() const { return _totalFaces; }
/// \brief Returns the total number of face vertices in all levels
int GetNumFaceVerticesTotal() const { return _totalFaceVertices; }
/// \brief Returns a handle to access data specific to a particular level
TopologyLevel const & GetLevel(int level) const { return _farLevels[level]; }
//@{
/// @name High-level refinement and related methods
///
//
// Uniform refinement
//
/// \brief Uniform refinement options
struct UniformOptions {
UniformOptions(int level) :
refinementLevel(level),
applyBaseFacePerFace(false),
orderVerticesFromFacesFirst(false),
fullTopologyInLastLevel(false) { }
unsigned int refinementLevel:4, ///< Number of refinement iterations
applyBaseFacePerFace:1, ///< For each refined face, record the index
///< of the base face from which it originates
orderVerticesFromFacesFirst:1, ///< Order child vertices from faces first
///< instead of child vertices of vertices
fullTopologyInLastLevel:1; ///< Skip topological relationships in the last
///< level of refinement that are not needed for
///< interpolation (keep false if using limit).
};
/// \brief Refine the topology uniformly
///
/// @param options Options controlling uniform refinement
///
void RefineUniform(UniformOptions options);
/// \brief Returns the options specified on refinement
UniformOptions GetUniformOptions() const { return _uniformOptions; }
//
// Adaptive refinement
//
/// \brief Adaptive refinement options
struct AdaptiveOptions {
AdaptiveOptions(int level) :
isolationLevel(level),
useSingleCreasePatch(false),
applyBaseFacePerFace(false),
orderVerticesFromFacesFirst(false) { }
unsigned int isolationLevel:4, ///< Number of iterations applied to isolate
///< extraordinary vertices and creases
useSingleCreasePatch:1, ///< Use 'single-crease' patch and stop
///< isolation where applicable
applyBaseFacePerFace:1, ///< For each refined face, record the index
///< of the base face from which it originates
orderVerticesFromFacesFirst:1; ///< Order child vertices from faces first
///< instead of child vertices of vertices
};
/// \brief Feature Adaptive topology refinement
///
/// @param options Options controlling adaptive refinement
///
void RefineAdaptive(AdaptiveOptions options);
/// \brief Returns the options specified on refinement
AdaptiveOptions GetAdaptiveOptions() const { return _adaptiveOptions; }
/// \brief Unrefine the topology (keep control cage)
void Unrefine();
//@{
/// @name Number and properties of face-varying channels:
///
/// \brief Returns the number of face-varying channels in the tables
int GetNumFVarChannels() const;
/// \brief Returns the face-varying interpolation rule-set for a given channel
Sdc::Options::FVarLinearInterpolation GetFVarLinearInterpolation(int channel = 0) const;
/// \brief Returns the total number of face-varying values in all levels
int GetNumFVarValuesTotal(int channel = 0) const;
//@}
protected:
//
// For use by the TopologyRefinerFactory<MESH> subclasses to construct the base level:
//
template <class MESH>
friend class TopologyRefinerFactory;
// Topology sizing methods required before allocation:
void setNumBaseFaces( int count) { _levels[0]->resizeFaces(count); }
void setNumBaseEdges( int count) { _levels[0]->resizeEdges(count); }
void setNumBaseVertices(int count) { _levels[0]->resizeVertices(count); }
void setNumBaseFaceVertices(Index f, int count) { _levels[0]->resizeFaceVertices(f, count); }
void setNumBaseEdgeFaces( Index e, int count) { _levels[0]->resizeEdgeFaces(e, count); }
void setNumBaseVertexFaces( Index v, int count) { _levels[0]->resizeVertexFaces(v, count); }
void setNumBaseVertexEdges( Index v, int count) { _levels[0]->resizeVertexEdges(v, count); }
// Topology assignment methods to populate base level after allocation:
IndexArray setBaseFaceVertices(Index f) { return _levels[0]->getFaceVertices(f); }
IndexArray setBaseFaceEdges( Index f) { return _levels[0]->getFaceEdges(f); }
IndexArray setBaseEdgeVertices(Index e) { return _levels[0]->getEdgeVertices(e); }
IndexArray setBaseEdgeFaces( Index e) { return _levels[0]->getEdgeFaces(e); }
IndexArray setBaseVertexFaces( Index v) { return _levels[0]->getVertexFaces(v); }
IndexArray setBaseVertexEdges( Index v) { return _levels[0]->getVertexEdges(v); }
LocalIndexArray setBaseEdgeFaceLocalIndices(Index e) { return _levels[0]->getEdgeFaceLocalIndices(e); }
LocalIndexArray setBaseVertexFaceLocalIndices(Index v) { return _levels[0]->getVertexFaceLocalIndices(v); }
LocalIndexArray setBaseVertexEdgeLocalIndices(Index v) { return _levels[0]->getVertexEdgeLocalIndices(v); }
void populateBaseLocalIndices() { _levels[0]->populateLocalIndices(); }
void setBaseEdgeNonManifold(Index e, bool b) { _levels[0]->setEdgeNonManifold(e, b); }
void setBaseVertexNonManifold(Index v, bool b) { _levels[0]->setVertexNonManifold(v, b); }
// Optional feature tagging methods for setting sharpness, holes, etc.:
void setBaseEdgeSharpness(Index e, float s) { _levels[0]->getEdgeSharpness(e) = s; }
void setBaseVertexSharpness(Index v, float s) { _levels[0]->getVertexSharpness(v) = s; }
void setBaseFaceHole(Index f, bool b) { _levels[0]->setFaceHole(f, b); _hasHoles |= b; }
// Optional methods for creating and assigning face-varying data channels:
int createBaseFVarChannel(int numValues);
int createBaseFVarChannel(int numValues, Sdc::Options const& options);
IndexArray setBaseFVarFaceValues(Index face, int channel = 0);
void setBaseMaxValence(int valence) { _levels[0]->setMaxValence(valence); }
void initializeBaseInventory() { initializeInventory(); }
protected:
//
// Lower level protected methods intended strictly for internal use:
//
friend class TopologyRefinerFactoryBase;
friend class PatchTableFactory;
friend class EndCapGregoryBasisPatchFactory;
friend class EndCapLegacyGregoryPatchFactory;
friend class PtexIndices;
friend class PrimvarRefiner;
Vtr::internal::Level & getLevel(int l) { return *_levels[l]; }
Vtr::internal::Level const & getLevel(int l) const { return *_levels[l]; }
Vtr::internal::Refinement & getRefinement(int l) { return *_refinements[l]; }
Vtr::internal::Refinement const & getRefinement(int l) const { return *_refinements[l]; }
private:
// Not default constructible or copyable:
TopologyRefiner() : _uniformOptions(0), _adaptiveOptions(0) { }
TopologyRefiner(TopologyRefiner const &) : _uniformOptions(0), _adaptiveOptions(0) { }
TopologyRefiner & operator=(TopologyRefiner const &) { return *this; }
void selectFeatureAdaptiveComponents(Vtr::internal::SparseSelector& selector);
void initializeInventory();
void updateInventory(Vtr::internal::Level const & newLevel);
void appendLevel(Vtr::internal::Level & newLevel);
void appendRefinement(Vtr::internal::Refinement & newRefinement);
void assembleFarLevels();
private:
Sdc::SchemeType _subdivType;
Sdc::Options _subdivOptions;
unsigned int _isUniform : 1,
_hasHoles : 1,
_maxLevel : 4;
// Options assigned on refinement:
UniformOptions _uniformOptions;
AdaptiveOptions _adaptiveOptions;
// Cumulative properties of all levels:
int _totalVertices;
int _totalEdges;
int _totalFaces;
int _totalFaceVertices;
int _maxValence;
// There is some redundancy here -- to be reduced later
std::vector<Vtr::internal::Level *> _levels;
std::vector<Vtr::internal::Refinement *> _refinements;
std::vector<TopologyLevel> _farLevels;;
};
inline int
TopologyRefiner::GetNumFVarChannels() const {
return _levels[0]->getNumFVarChannels();
}
inline Sdc::Options::FVarLinearInterpolation
TopologyRefiner::GetFVarLinearInterpolation(int channel) const {
return _levels[0]->getFVarOptions(channel).GetFVarLinearInterpolation();
}
inline int
TopologyRefiner::createBaseFVarChannel(int numValues) {
return _levels[0]->createFVarChannel(numValues, _subdivOptions);
}
inline int
TopologyRefiner::createBaseFVarChannel(int numValues, Sdc::Options const& fvarOptions) {
Sdc::Options options = _subdivOptions;
options.SetFVarLinearInterpolation(fvarOptions.GetFVarLinearInterpolation());
return _levels[0]->createFVarChannel(numValues, options);
}
inline IndexArray
TopologyRefiner::setBaseFVarFaceValues(Index face, int channel) {
return _levels[0]->getFVarFaceValues(face, channel);
}
} // end namespace Far
} // end namespace OPENSUBDIV_VERSION
using namespace OPENSUBDIV_VERSION;
} // end namespace OpenSubdiv
#endif /* OPENSUBDIV3_FAR_TOPOLOGY_REFINER_H */