coordSysAdapter.h

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//
// Copyright 2019 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_USD_IMAGING_USD_IMAGING_COORD_SYS_ADAPTER_H
#define PXR_USD_IMAGING_USD_IMAGING_COORD_SYS_ADAPTER_H

/// \file usdImaging/coordSysAdapter.h

#include "pxr/pxr.h"
#include "pxr/usdImaging/usdImaging/api.h"
#include "pxr/usdImaging/usdImaging/primAdapter.h"

PXR_NAMESPACE_OPEN_SCOPE


class UsdPrim;

/// \class UsdImagingCoordSysAdapter
///
class UsdImagingCoordSysAdapter : public UsdImagingPrimAdapter {
public:
    typedef UsdImagingPrimAdapter BaseAdapter;

    UsdImagingCoordSysAdapter()
        : UsdImagingPrimAdapter()
    {}

    USDIMAGING_API
    virtual ~UsdImagingCoordSysAdapter();

    USDIMAGING_API
    virtual SdfPath Populate(UsdPrim const& prim,
                     UsdImagingIndexProxy* index,
                     UsdImagingInstancerContext const* instancerContext = NULL);

    USDIMAGING_API
    virtual bool IsSupported(UsdImagingIndexProxy const* index) const;

    // ---------------------------------------------------------------------- //
    /// \name Parallel Setup and Resolve
    // ---------------------------------------------------------------------- //

    /// Thread Safe.
    USDIMAGING_API
    virtual void TrackVariability(UsdPrim const& prim,
                                  SdfPath const& cachePath,
                                  HdDirtyBits* timeVaryingBits,
                                  UsdImagingInstancerContext const* 
                                      instancerContext = NULL) const;

    USDIMAGING_API
    virtual void ProcessPrimResync(SdfPath const& primPath,
                                   UsdImagingIndexProxy* index);

    /// Thread Safe.
    USDIMAGING_API
    virtual void UpdateForTime(UsdPrim const& prim,
                               SdfPath const& cachePath, 
                               UsdTimeCode time,
                               HdDirtyBits requestedBits,
                               UsdImagingInstancerContext const* 
                                   instancerContext = NULL) const;

    // ---------------------------------------------------------------------- //
    /// \name Change Processing 
    // ---------------------------------------------------------------------- //

    /// Returns a bit mask of attributes to be udpated, or
    /// HdChangeTracker::AllDirty if the entire prim must be resynchronized.
    USDIMAGING_API
    virtual HdDirtyBits ProcessPropertyChange(UsdPrim const& prim,
                                              SdfPath const& cachePath,
                                              TfToken const& propertyName);

    USDIMAGING_API
    virtual void MarkDirty(UsdPrim const& prim,
                           SdfPath const& cachePath,
                           HdDirtyBits dirty,
                           UsdImagingIndexProxy* index);

    USDIMAGING_API
    virtual void MarkTransformDirty(UsdPrim const& prim,
                                    SdfPath const& cachePath,
                                    UsdImagingIndexProxy* index);

protected:
    USDIMAGING_API
    virtual void _RemovePrim(SdfPath const& cachePath,
                             UsdImagingIndexProxy* index);

private:
    static const TfTokenVector &_GetCameraProjectionProperties();
};


PXR_NAMESPACE_CLOSE_SCOPE

#endif // PXR_USD_IMAGING_USD_IMAGING_COORD_SYS_ADAPTER_H