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fvpMergingSceneIndex.cpp
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fvpMergingSceneIndex.cpp
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// Copyright 2023 Autodesk
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "flowViewport/sceneIndex/fvpMergingSceneIndex.h"
#include "flowViewport/debugCodes.h"
PXR_NAMESPACE_USING_DIRECTIVE
namespace FVP_NS_DEF {
/* static */
MergingSceneIndexRefPtr MergingSceneIndex::New() {
TF_DEBUG(FVP_MERGING_SCENE_INDEX)
.Msg("MergingSceneIndex::New() called.\n");
return TfCreateRefPtr(new MergingSceneIndex);
}
MergingSceneIndex::MergingSceneIndex() : HdMergingSceneIndex()
{
TF_DEBUG(FVP_MERGING_SCENE_INDEX)
.Msg("MergingSceneIndex::MergingSceneIndex() called.\n");
}
PrimSelections MergingSceneIndex::UfePathToPrimSelections(const Ufe::Path& appPath) const
{
// FLOW_VIEWPORT_TODO May be able to use a caching scheme for app path to
// scene index path conversion using the run-time ID of the UFE path, as it
// is likely that the input scene index that provided a previous answer
// will do so again. To be determined if the following direct approach has
// a measurable performance impact. PPT, 18-Sep-2023.
// Iterate over input scene indices and ask them to convert the path if
// they support the path interface.
auto inputScenes = GetInputScenes();
for (const auto& inputScene : inputScenes) {
// Unfortunate that we have to dynamic cast, as soon as we add an input
// scene we know whether it supports the PathInterface or not.
auto pathInterface = dynamic_cast<const PathInterface*>(&*inputScene);
if (pathInterface) {
auto primSelections = pathInterface->UfePathToPrimSelections(appPath);
if (!primSelections.empty()) {
return primSelections;
}
}
}
return PrimSelections();
}
}