dataSourceFieldAsset.h

//
// Copyright 2022 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
 
#ifndef PXR_USD_IMAGING_USD_VOL_IMAGING_DATA_SOURCE_FIELD_ASSET_H
#define PXR_USD_IMAGING_USD_VOL_IMAGING_DATA_SOURCE_FIELD_ASSET_H
 
 
#include "pxr/pxr.h"
#include "pxr/usdImaging/usdVolImaging/api.h"
 
#include "pxr/usdImaging/usdImaging/dataSourcePrim.h"
#include "pxr/usdImaging/usdImaging/dataSourceStageGlobals.h"
#include "pxr/imaging/hd/dataSource.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
 
class UsdImagingDataSourceFieldAsset : public HdContainerDataSource
{
public:
    HD_DECLARE_DATASOURCE(UsdImagingDataSourceFieldAsset);
 
    TfTokenVector GetNames() override;
    HdDataSourceBaseHandle Get(const TfToken &name) override;
 
    USDVOLIMAGING_API
    ~UsdImagingDataSourceFieldAsset() override;
 
private:
 
    // Private constructor, use static New() instead.
    UsdImagingDataSourceFieldAsset(
            const SdfPath &sceneIndexPath,
            UsdPrim usdPrim,
            const UsdImagingDataSourceStageGlobals &stageGlobals);
 
private:
    const SdfPath _sceneIndexPath;
    UsdPrim _usdPrim;
    const UsdImagingDataSourceStageGlobals & _stageGlobals;
};
 
HD_DECLARE_DATASOURCE_HANDLES(UsdImagingDataSourceFieldAsset);
 
class UsdImagingDataSourceFieldAssetPrim : public UsdImagingDataSourcePrim
{
public:
    HD_DECLARE_DATASOURCE(UsdImagingDataSourceFieldAssetPrim);
 
    TfTokenVector GetNames() override;
    HdDataSourceBaseHandle Get(const TfToken &name) override;
 
    static
    HdDataSourceLocatorSet
    Invalidate(
        UsdPrim const& prim,
        const TfToken &subprim,
        const TfTokenVector &properties,
        UsdImagingPropertyInvalidationType invalidationType);
 
private:
 
    // Private constructor, use static New() instead.
    UsdImagingDataSourceFieldAssetPrim(
        const SdfPath &sceneIndexPath,
        UsdPrim usdPrim,
        const UsdImagingDataSourceStageGlobals &stageGlobals);
};
 
HD_DECLARE_DATASOURCE_HANDLES(UsdImagingDataSourceFieldAssetPrim);
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_USD_IMAGING_USD_VOL_IMAGING_DATA_SOURCE_FIELD_ASSET_H