sceneMaterialPruningSceneIndex.h

//
// Copyright 2024 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
#ifndef PXR_IMAGING_HDSI_SCENE_MATERIAL_PRUNING_SCENE_INDEX_H
#define PXR_IMAGING_HDSI_SCENE_MATERIAL_PRUNING_SCENE_INDEX_H
 
#include "pxr/pxr.h"
 
#include "pxr/imaging/hd/filteringSceneIndex.h"
#include "pxr/imaging/hdsi/api.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
TF_DECLARE_WEAK_AND_REF_PTRS(HdsiSceneMaterialPruningSceneIndex);
 
namespace HdsiSceneMaterialPruningSceneIndex_Impl
{
 
struct _Info;
using _InfoSharedPtr = std::shared_ptr<_Info>;
 
}
 
class HdsiSceneMaterialPruningSceneIndex final
    : public HdSingleInputFilteringSceneIndexBase
{
public:
    HDSI_API
    static HdsiSceneMaterialPruningSceneIndexRefPtr
    New(HdSceneIndexBaseRefPtr const &inputSceneIndex);
 
    HDSI_API
    bool GetEnabled() const;
    HDSI_API
    void SetEnabled(bool);
 
public: // HdSceneIndex overrides
    HDSI_API
    HdSceneIndexPrim GetPrim(const SdfPath &primPath) const override;
    HDSI_API
    SdfPathVector GetChildPrimPaths(const SdfPath &primPath) const override;
 
protected: // HdSingleInputFilteringSceneIndexBase overrides
    HDSI_API
    void _PrimsAdded(
        const HdSceneIndexBase &sender,
        const HdSceneIndexObserver::AddedPrimEntries &entries) override;
    HDSI_API
    void _PrimsRemoved(
        const HdSceneIndexBase &sender,
        const HdSceneIndexObserver::RemovedPrimEntries &entries) override;
    HDSI_API
    void _PrimsDirtied(
        const HdSceneIndexBase &sender,
        const HdSceneIndexObserver::DirtiedPrimEntries &entries) override;
 
private:
    HDSI_API
    HdsiSceneMaterialPruningSceneIndex(
        HdSceneIndexBaseRefPtr const &inputSceneIndex);
    HDSI_API
    ~HdsiSceneMaterialPruningSceneIndex() override;
 
    void _ProcessDirtiedEntryHelper(
        const HdSceneIndexObserver::DirtiedPrimEntry &entry,
        HdSceneIndexObserver::AddedPrimEntries *addedEntries);
    
    HdsiSceneMaterialPruningSceneIndex_Impl::_InfoSharedPtr const _info;
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif