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https://github.com/PixarAnimationStudios/OpenSubdiv
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c399655dcc
Sync'ing the 'dev' branch with the 'feature_3.0dev' branch at commit 68c6d11fc36761ae1a5e6cdc3457be16f2e9704a The branch 'feature_3.0dev' is now locked and preserved for historical purposes.
83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
//
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// Copyright 2013 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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#ifndef FAR_KERNEL_BATCH_H
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#define FAR_KERNEL_BATCH_H
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#include "../version.h"
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#include <vector>
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Far {
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/// \brief A GP Compute Kernel descriptor.
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///
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/// Vertex refinement through subdivision schemes requires the successive
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/// application of dedicated compute kernels. OpenSubdiv groups these vertices
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/// in batches based on their topology in order to minimize the number of kernel
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/// switches to process a given primitive.
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///
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struct KernelBatch {
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public:
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enum KernelType {
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KERNEL_UNKNOWN=0,
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KERNEL_STENCIL_TABLE,
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KERNEL_USER_DEFINED
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};
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/// \brief Constructor.
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///
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/// @param _kernelType The type of compute kernel kernel
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///
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/// @param _level The level of subdivision of the vertices in the batch
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///
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/// @param _start Index of the first vertex in the batch
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///
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/// @param _end Index of the last vertex in the batch
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///
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KernelBatch( int _kernelType, int _level, int _start, int _end ) :
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kernelType(_kernelType), level(_level), start(_start), end(_end) { }
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int kernelType, // the type of compute kernel kernel
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level, // the level of subdivision of the vertices in the batch
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start, // index of the first vertex in the batch
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end; // index of the last vertex in the batch
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};
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typedef std::vector<KernelBatch> KernelBatchVector;
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} // end namespace Far
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} // end namespace OPENSUBDIV_VERSION
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using namespace OPENSUBDIV_VERSION;
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} // end namespace OpenSubdiv
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#endif /* FAR_KERNEL_BATCH_H */
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