text: //
  // Copyright 2016 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 PXR_IMAGING_HDX_VERSION_H
  #define PXR_IMAGING_HDX_VERSION_H
  
  // 1  -> 2 : split HdxRenderSetupTask out of HdxRenderTask
  // 2  -> 3 : move simpleLightingShader to Hdx.
  // 3  -> 4 : move camera and light to Hdx.
  // 4  -> 5 : move drawTarget to Hdx.
  // 5  -> 6 : change HdxShadowMatrixComputation signature.
  // 6  -> 7 : make HdxShadowMatrixComputationSharedPtr std::shared_ptr instead of boost::shared_ptr
  #define HDX_API_VERSION  7
  
  #endif // PXR_IMAGING_HDX_VERSION_H
  