materialParamUtils.h

//
// Copyright 2020 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_USD_IMAGING_MATERIAL_PARAM_UTILS_H
#define PXR_USD_IMAGING_MATERIAL_PARAM_UTILS_H
 
#include "pxr/pxr.h"
#include "pxr/usdImaging/usdImaging/api.h"
#include "pxr/base/tf/token.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
struct HdMaterialNetworkMap;
class UsdAttribute;
class UsdPrim;
class UsdTimeCode;
class VtValue;
 
USDIMAGING_API
void 
UsdImagingBuildHdMaterialNetworkFromTerminal(
    UsdPrim const& usdTerminal,
    TfToken const& terminalIdentifier,
    TfTokenVector const& shaderSourceTypes,
    TfTokenVector const& renderContexts,
    HdMaterialNetworkMap *materialNetworkMap,
    UsdTimeCode time);
 
USDIMAGING_API
bool
UsdImagingIsHdMaterialNetworkTimeVarying(
    UsdPrim const& usdTerminal);
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_USD_IMAGING_MATERIAL_PARAM_UTILS_H