OpenSubdiv/opensubdiv/osd/cpuEvalLimitContext.cpp

//
//   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.
//

#include "../osd/cpuEvalLimitContext.h"
#include "../osd/vertexDescriptor.h"

#include <string.h>
#include <cassert>
#include <cstdio>
#include <cmath>

namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {

namespace Osd {

CpuEvalLimitContext *
CpuEvalLimitContext::Create(Far::PatchTables const & patchTables) {

    // there is no limit with uniform subdivision
    if (not patchTables.IsFeatureAdaptive())
        return NULL;

    return new CpuEvalLimitContext(patchTables);
}

CpuEvalLimitContext::CpuEvalLimitContext(Far::PatchTables const & patchTables) :
    EvalLimitContext(patchTables),
    _patchTables(patchTables),
    _patchMap(patchTables) {
}

} // end namespace Osd

} // end namespace OPENSUBDIV_VERSION
} // end namespace OpenSubdiv