mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-12-01 15:50:07 +00:00
131 lines
4.6 KiB
C++
131 lines
4.6 KiB
C++
//
|
|
// 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.
|
|
//
|
|
|
|
#ifndef FAR_MESH_H
|
|
#define FAR_MESH_H
|
|
|
|
#include "../version.h"
|
|
|
|
#include "../far/subdivisionTables.h"
|
|
#include "../far/patchTables.h"
|
|
#include "../far/vertexEditTables.h"
|
|
#include "../far/kernelBatch.h"
|
|
|
|
#include <cassert>
|
|
#include <vector>
|
|
|
|
namespace OpenSubdiv {
|
|
namespace OPENSUBDIV_VERSION {
|
|
|
|
/// \brief Feature Adaptive Mesh class.
|
|
///
|
|
/// FarMesh is a serialized instantiation of an HbrMesh. The HbrMesh contains
|
|
/// all the topological data in a highly interconnected data structure for
|
|
/// ease of access and modification. When instantiating a FarMesh, the factory
|
|
/// analyzes this data structure and serializes the topology into a linear
|
|
/// buffers that are ready for efficient parallel processing.
|
|
///
|
|
template <class U> class FarMesh {
|
|
public:
|
|
typedef U VertexType;
|
|
|
|
/// \brief Constructor. FarMesh takes ownership of input tables.
|
|
FarMesh(FarSubdivisionTables *subdivisionTables, FarPatchTables *patchTables,
|
|
FarVertexEditTables *vertexEditTables, FarKernelBatchVector const &batches) :
|
|
_subdivisionTables(subdivisionTables), _patchTables(patchTables),
|
|
_vertexEditTables(vertexEditTables), _batches(batches) { }
|
|
|
|
~FarMesh();
|
|
|
|
/// \brief Returns the subdivision method
|
|
FarSubdivisionTables const * GetSubdivisionTables() const { return _subdivisionTables; }
|
|
|
|
/// \brief Returns patch tables
|
|
FarPatchTables const * GetPatchTables() const { return _patchTables; }
|
|
|
|
/// \brief Returns the total number of vertices in the mesh across across all depths
|
|
int GetNumVertices() const { return GetSubdivisionTables()->GetNumVertices(); }
|
|
|
|
/// \brief Returns the list of vertices in the mesh (from subdiv level 0 to N)
|
|
std::vector<U> & GetVertices() { return _vertices; }
|
|
|
|
/// \brief Returns a reference to the vertex at the given index
|
|
///
|
|
/// @param index the index fo the vertex
|
|
///
|
|
U & GetVertex(int index) { return _vertices[index]; }
|
|
|
|
/// \brief Returns vertex edit tables
|
|
FarVertexEditTables const * GetVertexEditTables() const { return _vertexEditTables; }
|
|
|
|
/// \brief True if the mesh tables support the feature-adaptive mode.
|
|
bool IsFeatureAdaptive() const { return _patchTables->IsFeatureAdaptive(); }
|
|
|
|
/// \brief Returns an ordered vector of batches of compute kernels.
|
|
/// The kernels describe the sequence of computations required to apply the
|
|
/// subdivision scheme to the vertices in the mesh.
|
|
const FarKernelBatchVector & GetKernelBatches() const { return _batches; }
|
|
|
|
private:
|
|
// Note : the vertex classes are renamed <X,Y> so as not to shadow the
|
|
// declaration of the templated vertex class U.
|
|
template <class X, class Y> friend class FarMeshFactory;
|
|
|
|
FarMesh() : _subdivisionTables(0), _patchTables(0), _vertexEditTables(0) { }
|
|
|
|
// non-copyable, so these are not implemented:
|
|
FarMesh(FarMesh<U> const &);
|
|
FarMesh<U> & operator = (FarMesh<U> const &);
|
|
|
|
// subdivision method used in this mesh
|
|
FarSubdivisionTables * _subdivisionTables;
|
|
|
|
// tables of vertex indices for feature adaptive patches
|
|
FarPatchTables * _patchTables;
|
|
|
|
// hierarchical vertex edit tables
|
|
FarVertexEditTables * _vertexEditTables;
|
|
|
|
// kernel execution batches
|
|
FarKernelBatchVector _batches;
|
|
|
|
// list of vertices (up to N levels of subdivision)
|
|
std::vector<U> _vertices;
|
|
};
|
|
|
|
template <class U>
|
|
FarMesh<U>::~FarMesh()
|
|
{
|
|
delete _subdivisionTables;
|
|
delete _patchTables;
|
|
delete _vertexEditTables;
|
|
}
|
|
|
|
} // end namespace OPENSUBDIV_VERSION
|
|
using namespace OPENSUBDIV_VERSION;
|
|
|
|
} // end namespace OpenSubdiv
|
|
|
|
#endif /* FAR_MESH_H */
|