dataSourceBasisCurves.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_IMAGING_DATA_SOURCE_BASISCURVES_H
#define PXR_USD_IMAGING_USD_IMAGING_DATA_SOURCE_BASISCURVES_H
 
#include "pxr/usdImaging/usdImaging/dataSourceGprim.h"
#include "pxr/usdImaging/usdImaging/dataSourceStageGlobals.h"
 
#include "pxr/usd/usdGeom/basisCurves.h"
 
#include "pxr/imaging/hd/dataSource.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
 
class UsdImagingDataSourceBasisCurvesTopology : public HdContainerDataSource
{
public:
    HD_DECLARE_DATASOURCE(UsdImagingDataSourceBasisCurvesTopology);
 
    TfTokenVector GetNames() override;
    HdDataSourceBaseHandle Get(const TfToken & name) override;
 
private:
    UsdImagingDataSourceBasisCurvesTopology(
            const SdfPath &sceneIndexPath,
            UsdGeomBasisCurves usdBasisCurves,
            const UsdImagingDataSourceStageGlobals &stageGlobals);
 
private:
    const SdfPath _sceneIndexPath;
    UsdGeomBasisCurves _usdBasisCurves;
    const UsdImagingDataSourceStageGlobals &_stageGlobals;
};
 
HD_DECLARE_DATASOURCE_HANDLES(UsdImagingDataSourceBasisCurvesTopology);
 
// ----------------------------------------------------------------------------
 
class UsdImagingDataSourceBasisCurves : public HdContainerDataSource
{
public:
    HD_DECLARE_DATASOURCE(UsdImagingDataSourceBasisCurves);
 
    TfTokenVector GetNames() override;
    HdDataSourceBaseHandle Get(const TfToken &name) override;
 
private:
    UsdImagingDataSourceBasisCurves(
            const SdfPath &sceneIndexPath,
            UsdGeomBasisCurves usdBasisCurves,
            const UsdImagingDataSourceStageGlobals &stageGlobals);
 
private:
    const SdfPath _sceneIndexPath;
    UsdGeomBasisCurves _usdBasisCurves;
    const UsdImagingDataSourceStageGlobals & _stageGlobals;
};
 
HD_DECLARE_DATASOURCE_HANDLES(UsdImagingDataSourceBasisCurves);
 
// ----------------------------------------------------------------------------
 
class UsdImagingDataSourceBasisCurvesPrim : public UsdImagingDataSourceGprim
{
public:
    HD_DECLARE_DATASOURCE(UsdImagingDataSourceBasisCurvesPrim);
 
    TfTokenVector GetNames() override;
    HdDataSourceBaseHandle Get(const TfToken &name) override;
 
    USDIMAGING_API
    static HdDataSourceLocatorSet Invalidate(
            UsdPrim const& prim,
            const TfToken &subprim,
            const TfTokenVector &properties,
            UsdImagingPropertyInvalidationType invalidationType);
 
private:
    UsdImagingDataSourceBasisCurvesPrim(
        const SdfPath &sceneIndexPath,
        UsdPrim usdPrim,
        const UsdImagingDataSourceStageGlobals &stageGlobals);
};
 
HD_DECLARE_DATASOURCE_HANDLES(UsdImagingDataSourceBasisCurvesPrim);
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_USD_IMAGING_USD_IMAGING_DATA_SOURCE_BASISCURVES_H