coordSysAdapter.h

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//
// Copyright 2019 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
//    names, trademarks, service marks, or product names of the Licensor
//    and its affiliates, except as required to comply with Section 4(c) of
//    the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache 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