planeAdapter.h

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//
// 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_IMAGING_PLANE_ADAPTER_H
#define PXR_USD_IMAGING_USD_IMAGING_PLANE_ADAPTER_H
 
 
#include "pxr/pxr.h"
#include "pxr/usdImaging/usdImaging/api.h"
#include "pxr/usdImaging/usdImaging/gprimAdapter.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
 
class UsdGeomPlane;
 
class UsdImagingPlaneAdapter : public UsdImagingGprimAdapter {
public:
    typedef UsdImagingGprimAdapter BaseAdapter;
 
    UsdImagingPlaneAdapter()
        : UsdImagingGprimAdapter()
    {}
    USDIMAGING_API
    virtual ~UsdImagingPlaneAdapter();
 
    USDIMAGING_API
    SdfPath Populate(
        UsdPrim const& prim,
        UsdImagingIndexProxy* index,
        UsdImagingInstancerContext const* instancerContext = nullptr) override;
 
    USDIMAGING_API
    bool IsSupported(UsdImagingIndexProxy const* index) const override;
 
    USDIMAGING_API
    HdDirtyBits ProcessPropertyChange(UsdPrim const& prim,
                                      SdfPath const& cachePath,
                                      TfToken const& propertyName) override;
 
    // ---------------------------------------------------------------------- //
    // ---------------------------------------------------------------------- //
 
    USDIMAGING_API
    void TrackVariability(
        UsdPrim const& prim,
        SdfPath const& cachePath,
        HdDirtyBits* timeVaryingBits,
        UsdImagingInstancerContext const* instancerContext = nullptr) 
            const override;
 
    // ---------------------------------------------------------------------- //
    // ---------------------------------------------------------------------- //
 
    USDIMAGING_API
    VtValue GetTopology(UsdPrim const& prim,
                        SdfPath const& cachePath,
                        UsdTimeCode time) const override;
 
    // Override the implemetation in GprimAdapter since we don't fetch the
    // points attribute for implicit primitives.
    USDIMAGING_API
    VtValue GetPoints(
        UsdPrim const& prim,
        UsdTimeCode time) const override;
 
    // Used by the legacyEngine.
    USDIMAGING_API
    static VtValue GetMeshPoints(UsdPrim const& prim, 
                                 UsdTimeCode time);
 
    // Used by the legacyEngine.
    USDIMAGING_API
    static VtValue GetMeshTopology();
};
 
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_USD_IMAGING_USD_IMAGING_PLANE_ADAPTER_H