// // 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_SHADOW_MATRIX_COMPUTATION_H #define PXR_IMAGING_HDX_SHADOW_MATRIX_COMPUTATION_H #include "pxr/pxr.h" #include "pxr/imaging/hdx/api.h" #include "pxr/imaging/hdx/version.h" #include "pxr/imaging/cameraUtil/conformWindow.h" #include "pxr/base/gf/matrix4d.h" PXR_NAMESPACE_OPEN_SCOPE // Interface class for computing the shadow matrix // for a given viewport. class HdxShadowMatrixComputation { public: virtual std::vector Compute(const GfVec4f &viewport, CameraUtilConformWindowPolicy policy) = 0; protected: HdxShadowMatrixComputation() = default; virtual ~HdxShadowMatrixComputation() = default; private: HdxShadowMatrixComputation(const HdxShadowMatrixComputation &) = delete; HdxShadowMatrixComputation &operator =(const HdxShadowMatrixComputation &) = delete; }; PXR_NAMESPACE_CLOSE_SCOPE #endif // PXR_IMAGING_HDX_SHADOW_MATRIX_COMPUTATION_H