geomSubsetAdapter.h

//
// Copyright 2023 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_GEOM_SUBSET_ADAPTER_H
#define PXR_USD_IMAGING_USD_IMAGING_GEOM_SUBSET_ADAPTER_H
 
#include "pxr/usdImaging/usdImaging/api.h"
#include "pxr/usdImaging/usdImaging/primAdapter.h"
#include "pxr/usdImaging/usdImaging/types.h"
 
#include "pxr/imaging/hd/dataSource.h"
#include "pxr/imaging/hd/dataSourceLocator.h"
#include "pxr/imaging/hd/types.h"
 
#include "pxr/usd/sdf/path.h"
#include "pxr/usd/usd/timeCode.h"
 
#include "pxr/base/tf/token.h"
 
#include "pxr/pxr.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
class UsdImagingGeomSubsetAdapter
  : public UsdImagingPrimAdapter
{
public:
    using BaseAdapter = UsdImagingPrimAdapter;
    
    UsdImagingGeomSubsetAdapter()
      : BaseAdapter()
    { }
    
    USDIMAGING_API
    ~UsdImagingGeomSubsetAdapter() override;
    
    // ---------------------------------------------------------------------- //
    // ---------------------------------------------------------------------- //
 
    USDIMAGING_API
    TfTokenVector GetImagingSubprims(const UsdPrim& prim) override;
 
    USDIMAGING_API 
    TfToken GetImagingSubprimType(
        const UsdPrim& prim,
        const TfToken& subprim) override;
 
    USDIMAGING_API
    HdContainerDataSourceHandle GetImagingSubprimData(
        const UsdPrim& prim,
        const TfToken& subprim,
        const UsdImagingDataSourceStageGlobals& stageGlobals) override;
 
    USDIMAGING_API
    HdDataSourceLocatorSet InvalidateImagingSubprim(
        const UsdPrim& prim,
        const TfToken& subprim,
        const TfTokenVector& properties,
        UsdImagingPropertyInvalidationType invalidationType) override;
 
    // ---------------------------------------------------------------------- //
    // ---------------------------------------------------------------------- //
 
    USDIMAGING_API
    SdfPath Populate(
        const UsdPrim& prim,
        UsdImagingIndexProxy* index,
        const UsdImagingInstancerContext* instancerCtx = nullptr) override;
 
    USDIMAGING_API
    void TrackVariability(
        const UsdPrim& prim,
        const SdfPath& cachePath,
        HdDirtyBits* timeVaryingBits,
        const UsdImagingInstancerContext* instancerCtx = nullptr) const override
    { }
 
    USDIMAGING_API
    void UpdateForTime(
        const UsdPrim& prim,
        const SdfPath& cachePath, 
        UsdTimeCode time,
        HdDirtyBits requestedBits,
        const UsdImagingInstancerContext* instancerCtx = nullptr) const override
    { }
 
    USDIMAGING_API
    HdDirtyBits ProcessPropertyChange(
        const UsdPrim& prim,
        const SdfPath& cachePath,
        const TfToken& propertyName) override;
 
    USDIMAGING_API
    void MarkDirty(
        const UsdPrim& prim,
        const SdfPath& cachePath,
        HdDirtyBits dirty,
        UsdImagingIndexProxy* index) override
    { }
 
protected:
    USDIMAGING_API
    void _RemovePrim(
        const SdfPath& cachePath,
        UsdImagingIndexProxy* index) override
    { }
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_USD_IMAGING_USD_IMAGING_GEOM_SUBSET_ADAPTER_H