OpenSubdiv/opensubdiv/far/dispatcher.h
manuelk fea9288a1f Replacing un-necessary dynamic_cast with reinterpret_cast within FarDispatcher
First step in removing RTTI from Far and Hbr - further fixes require modifications of Hbr
and will tackled in another fix.

fixes #257
2014-02-03 14:29:53 -08:00

407 lines
16 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_DISPATCHER_H
#define FAR_DISPATCHER_H
#include "../version.h"
#include "../far/mesh.h"
#include "../far/bilinearSubdivisionTables.h"
#include "../far/catmarkSubdivisionTables.h"
#include "../far/loopSubdivisionTables.h"
#include "../far/vertexEditTables.h"
#include "../far/kernelBatch.h"
namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {
/// \brief Subdivision process encapsulation layer.
///
/// The Compute dispatcher allows client code to customize parts or the entire
/// computation process. This pattern aims at hiding the logic specific to
/// the subdivision algorithms and expose a simplified access to minimalistic
/// compute kernels. By default, meshes revert to a default dispatcher that
/// implements single-threaded CPU kernels.
///
/// - derive a dispatcher class from this one
/// - override the virtual functions
/// - pass the derived dispatcher to the factory (one instance can be shared by many meshes)
/// - call the FarMesh::Subdivide() to trigger computations
///
/// Note : the caller is responsible for deleting a custom dispatcher
///
class FarDispatcher {
public:
/// \brief Launches the processing of a vector of kernel batches
///
/// @param controller refinement controller implementation
///
/// @param batches batches of kernels that need to be processed
///
/// @param maxlevel process vertex batches up to this level
///
/// @param clientdata custom client data passed to the controller
///
template <class CONTROLLER>
static void Refine(CONTROLLER const *controller, FarKernelBatchVector const & batches, int maxlevel, void * clientdata=0);
};
template <class CONTROLLER> void
FarDispatcher::Refine(CONTROLLER const *controller, FarKernelBatchVector const & batches, int maxlevel, void * clientdata) {
for (int i = 0; i < (int)batches.size(); ++i) {
const FarKernelBatch &batch = batches[i];
if (maxlevel >= 0 && batch.GetLevel() >= maxlevel) continue;
switch(batch.GetKernelType()) {
case FarKernelBatch::CATMARK_FACE_VERTEX:
controller->ApplyCatmarkFaceVerticesKernel(batch, clientdata);
break;
case FarKernelBatch::CATMARK_EDGE_VERTEX:
controller->ApplyCatmarkEdgeVerticesKernel(batch, clientdata);
break;
case FarKernelBatch::CATMARK_VERT_VERTEX_B:
controller->ApplyCatmarkVertexVerticesKernelB(batch, clientdata);
break;
case FarKernelBatch::CATMARK_VERT_VERTEX_A1:
controller->ApplyCatmarkVertexVerticesKernelA1(batch, clientdata);
break;
case FarKernelBatch::CATMARK_VERT_VERTEX_A2:
controller->ApplyCatmarkVertexVerticesKernelA2(batch, clientdata);
break;
case FarKernelBatch::LOOP_EDGE_VERTEX:
controller->ApplyLoopEdgeVerticesKernel(batch, clientdata);
break;
case FarKernelBatch::LOOP_VERT_VERTEX_B:
controller->ApplyLoopVertexVerticesKernelB(batch, clientdata);
break;
case FarKernelBatch::LOOP_VERT_VERTEX_A1:
controller->ApplyLoopVertexVerticesKernelA1(batch, clientdata);
break;
case FarKernelBatch::LOOP_VERT_VERTEX_A2:
controller->ApplyLoopVertexVerticesKernelA2(batch, clientdata);
break;
case FarKernelBatch::BILINEAR_FACE_VERTEX:
controller->ApplyBilinearFaceVerticesKernel(batch, clientdata);
break;
case FarKernelBatch::BILINEAR_EDGE_VERTEX:
controller->ApplyBilinearEdgeVerticesKernel(batch, clientdata);
break;
case FarKernelBatch::BILINEAR_VERT_VERTEX:
controller->ApplyBilinearVertexVerticesKernel(batch, clientdata);
break;
case FarKernelBatch::HIERARCHICAL_EDIT:
controller->ApplyVertexEdits(batch, clientdata);
break;
}
}
}
// -----------------------------------------------------------------------------
/// \brief Far default controller implementation
///
/// This is Far's default implementation of a kernal batch controller.
///
template <class U>
class FarComputeController {
public:
void Refine(FarMesh<U> * mesh, int maxlevel=-1) const;
void ApplyBilinearFaceVerticesKernel(FarKernelBatch const &batch, void * clientdata) const;
void ApplyBilinearEdgeVerticesKernel(FarKernelBatch const &batch, void * clientdata) const;
void ApplyBilinearVertexVerticesKernel(FarKernelBatch const &batch, void * clientdata) const;
void ApplyCatmarkFaceVerticesKernel(FarKernelBatch const &batch, void * clientdata) const;
void ApplyCatmarkEdgeVerticesKernel(FarKernelBatch const &batch, void * clientdata) const;
void ApplyCatmarkVertexVerticesKernelB(FarKernelBatch const &batch, void * clientdata) const;
void ApplyCatmarkVertexVerticesKernelA1(FarKernelBatch const &batch, void * clientdata) const;
void ApplyCatmarkVertexVerticesKernelA2(FarKernelBatch const &batch, void * clientdata) const;
void ApplyLoopEdgeVerticesKernel(FarKernelBatch const &batch, void * clientdata) const;
void ApplyLoopVertexVerticesKernelB(FarKernelBatch const &batch, void * clientdata) const;
void ApplyLoopVertexVerticesKernelA1(FarKernelBatch const &batch, void * clientdata) const;
void ApplyLoopVertexVerticesKernelA2(FarKernelBatch const &batch, void * clientdata) const;
void ApplyVertexEdits(FarKernelBatch const &batch, void * clientdata) const;
static FarComputeController _DefaultController;
private:
};
template<class U> FarComputeController<U> FarComputeController<U>::_DefaultController;
template <class U> void
FarComputeController<U>::Refine(FarMesh<U> *mesh, int maxlevel) const {
FarDispatcher::Refine(this, mesh->GetKernelBatches(), maxlevel, mesh);
}
template <class U> void
FarComputeController<U>::ApplyBilinearFaceVerticesKernel(FarKernelBatch const &batch, void * clientdata) const {
FarMesh<U> * mesh = static_cast<FarMesh<U> *>(clientdata);
FarBilinearSubdivisionTables<U> const * subdivision =
reinterpret_cast<FarBilinearSubdivisionTables<U> const *>(mesh->GetSubdivisionTables());
assert(subdivision);
subdivision->computeFacePoints( batch.GetVertexOffset(),
batch.GetTableOffset(),
batch.GetStart(),
batch.GetEnd(),
clientdata );
}
template <class U> void
FarComputeController<U>::ApplyBilinearEdgeVerticesKernel(FarKernelBatch const &batch, void * clientdata) const {
FarMesh<U> * mesh = static_cast<FarMesh<U> *>(clientdata);
FarBilinearSubdivisionTables<U> const * subdivision =
reinterpret_cast<FarBilinearSubdivisionTables<U> const *>(mesh->GetSubdivisionTables());
assert(subdivision);
subdivision->computeEdgePoints( batch.GetVertexOffset(),
batch.GetTableOffset(),
batch.GetStart(),
batch.GetEnd(),
clientdata );
}
template <class U> void
FarComputeController<U>::ApplyBilinearVertexVerticesKernel(FarKernelBatch const &batch, void * clientdata) const {
FarMesh<U> * mesh = static_cast<FarMesh<U> *>(clientdata);
FarBilinearSubdivisionTables<U> const * subdivision =
reinterpret_cast<FarBilinearSubdivisionTables<U> const *>(mesh->GetSubdivisionTables());
assert(subdivision);
subdivision->computeVertexPoints( batch.GetVertexOffset(),
batch.GetTableOffset(),
batch.GetStart(),
batch.GetEnd(),
clientdata );
}
template <class U> void
FarComputeController<U>::ApplyCatmarkFaceVerticesKernel(FarKernelBatch const &batch, void * clientdata) const {
FarMesh<U> * mesh = static_cast<FarMesh<U> *>(clientdata);
FarCatmarkSubdivisionTables<U> const * subdivision =
reinterpret_cast<FarCatmarkSubdivisionTables<U> const *>(mesh->GetSubdivisionTables());
assert(subdivision);
subdivision->computeFacePoints( batch.GetVertexOffset(),
batch.GetTableOffset(),
batch.GetStart(),
batch.GetEnd(),
clientdata );
}
template <class U> void
FarComputeController<U>::ApplyCatmarkEdgeVerticesKernel(FarKernelBatch const &batch, void * clientdata) const {
FarMesh<U> * mesh = static_cast<FarMesh<U> *>(clientdata);
FarCatmarkSubdivisionTables<U> const * subdivision =
reinterpret_cast<FarCatmarkSubdivisionTables<U> const *>(mesh->GetSubdivisionTables());
assert(subdivision);
subdivision->computeEdgePoints( batch.GetVertexOffset(),
batch.GetTableOffset(),
batch.GetStart(),
batch.GetEnd(),
clientdata );
}
template <class U> void
FarComputeController<U>::ApplyCatmarkVertexVerticesKernelB(FarKernelBatch const &batch, void * clientdata) const {
FarMesh<U> * mesh = static_cast<FarMesh<U> *>(clientdata);
FarCatmarkSubdivisionTables<U> const * subdivision =
reinterpret_cast<FarCatmarkSubdivisionTables<U> const *>(mesh->GetSubdivisionTables());
assert(subdivision);
subdivision->computeVertexPointsB( batch.GetVertexOffset(),
batch.GetTableOffset(),
batch.GetStart(),
batch.GetEnd(),
clientdata );
}
template <class U> void
FarComputeController<U>::ApplyCatmarkVertexVerticesKernelA1(FarKernelBatch const &batch, void * clientdata) const {
FarMesh<U> * mesh = static_cast<FarMesh<U> *>(clientdata);
FarCatmarkSubdivisionTables<U> const * subdivision =
reinterpret_cast<FarCatmarkSubdivisionTables<U> const *>(mesh->GetSubdivisionTables());
assert(subdivision);
subdivision->computeVertexPointsA( batch.GetVertexOffset(),
false,
batch.GetTableOffset(),
batch.GetStart(),
batch.GetEnd(),
clientdata );
}
template <class U> void
FarComputeController<U>::ApplyCatmarkVertexVerticesKernelA2(FarKernelBatch const &batch, void * clientdata) const {
FarMesh<U> * mesh = static_cast<FarMesh<U> *>(clientdata);
FarCatmarkSubdivisionTables<U> const * subdivision =
reinterpret_cast<FarCatmarkSubdivisionTables<U> const *>(mesh->GetSubdivisionTables());
assert(subdivision);
subdivision->computeVertexPointsA( batch.GetVertexOffset(),
true,
batch.GetTableOffset(),
batch.GetStart(),
batch.GetEnd(),
clientdata );
}
template <class U> void
FarComputeController<U>::ApplyLoopEdgeVerticesKernel(FarKernelBatch const &batch, void * clientdata) const {
FarMesh<U> * mesh = static_cast<FarMesh<U> *>(clientdata);
FarLoopSubdivisionTables<U> const * subdivision =
reinterpret_cast<FarLoopSubdivisionTables<U> const *>(mesh->GetSubdivisionTables());
assert(subdivision);
subdivision->computeEdgePoints( batch.GetVertexOffset(),
batch.GetTableOffset(),
batch.GetStart(),
batch.GetEnd(),
clientdata );
}
template <class U> void
FarComputeController<U>::ApplyLoopVertexVerticesKernelB(FarKernelBatch const &batch, void * clientdata) const {
FarMesh<U> * mesh = static_cast<FarMesh<U> *>(clientdata);
FarLoopSubdivisionTables<U> const * subdivision =
reinterpret_cast<FarLoopSubdivisionTables<U> const *>(mesh->GetSubdivisionTables());
assert(subdivision);
subdivision->computeVertexPointsB( batch.GetVertexOffset(),
batch.GetTableOffset(),
batch.GetStart(),
batch.GetEnd(),
clientdata );
}
template <class U> void
FarComputeController<U>::ApplyLoopVertexVerticesKernelA1(FarKernelBatch const &batch, void * clientdata) const {
FarMesh<U> * mesh = static_cast<FarMesh<U> *>(clientdata);
FarLoopSubdivisionTables<U> const * subdivision =
reinterpret_cast<FarLoopSubdivisionTables<U> const *>(mesh->GetSubdivisionTables());
assert(subdivision);
subdivision->computeVertexPointsA( batch.GetVertexOffset(),
false,
batch.GetTableOffset(),
batch.GetStart(),
batch.GetEnd(),
clientdata );
}
template <class U> void
FarComputeController<U>::ApplyLoopVertexVerticesKernelA2(FarKernelBatch const &batch, void * clientdata) const {
FarMesh<U> * mesh = static_cast<FarMesh<U> *>(clientdata);
FarLoopSubdivisionTables<U> const * subdivision =
reinterpret_cast<FarLoopSubdivisionTables<U> const *>(mesh->GetSubdivisionTables());
assert(subdivision);
subdivision->computeVertexPointsA( batch.GetVertexOffset(),
true,
batch.GetTableOffset(),
batch.GetStart(),
batch.GetEnd(),
clientdata);
}
template <class U> void
FarComputeController<U>::ApplyVertexEdits(FarKernelBatch const &batch, void * clientdata) const {
FarMesh<U> * mesh = static_cast<FarMesh<U> *>(clientdata);
FarVertexEditTables<U> const * vertEdit = mesh->GetVertexEdit();
if (vertEdit)
vertEdit->computeVertexEdits( batch.GetTableIndex(),
batch.GetVertexOffset(),
batch.GetTableOffset(),
batch.GetStart(),
batch.GetEnd(),
clientdata );
}
} // end namespace OPENSUBDIV_VERSION
using namespace OPENSUBDIV_VERSION;
} // end namespace OpenSubdiv
#endif /* FAR_DISPATCHER_H */