dataSourcePointInstancer.h

//
// Copyright 2020 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_POINT_INSTANCER_H
#define PXR_USD_IMAGING_USD_IMAGING_DATA_SOURCE_POINT_INSTANCER_H
 
#include "pxr/imaging/hd/dataSourceTypeDefs.h"
 
#include "pxr/usd/usdGeom/pointInstancer.h"
 
#include "pxr/usdImaging/usdImaging/dataSourcePrim.h"
#include "pxr/usdImaging/usdImaging/dataSourcePrimvars.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
// ----------------------------------------------------------------------------
 
class UsdImagingDataSourcePointInstancerMask : public HdBoolArrayDataSource
{
public:
    HD_DECLARE_DATASOURCE(UsdImagingDataSourcePointInstancerMask);
 
    VtValue GetValue(HdSampledDataSource::Time shutterOffset) override;
 
    VtBoolArray GetTypedValue(
        HdSampledDataSource::Time shutterOffset) override;
 
    bool GetContributingSampleTimesForInterval(
        HdSampledDataSource::Time startTime,
        HdSampledDataSource::Time endTime,
        std::vector<HdSampledDataSource::Time> * outSampleTimes) override;
 
private:
    UsdImagingDataSourcePointInstancerMask(
        const SdfPath &sceneIndexPath,
        const UsdGeomPointInstancer &usdPI,
        const UsdImagingDataSourceStageGlobals &stageGlobals);
 
private:
    UsdGeomPointInstancer _usdPI;
    const UsdImagingDataSourceStageGlobals &_stageGlobals;
};
 
HD_DECLARE_DATASOURCE_HANDLES(UsdImagingDataSourcePointInstancerMask);
 
// ----------------------------------------------------------------------------
 
class UsdImagingDataSourcePointInstancerTopology : public HdContainerDataSource
{
public:
    HD_DECLARE_DATASOURCE(UsdImagingDataSourcePointInstancerTopology);
 
    TfTokenVector GetNames() override;
    HdDataSourceBaseHandle Get(const TfToken &name) override;
 
private:
    // Private constructor, use static New() instead.
    UsdImagingDataSourcePointInstancerTopology(
        const SdfPath &sceneIndexPath,
        UsdGeomPointInstancer usdPI,
        const UsdImagingDataSourceStageGlobals &stageGlobals);
 
private:
    const SdfPath _sceneIndexPath;
    UsdGeomPointInstancer _usdPI;
    const UsdImagingDataSourceStageGlobals &_stageGlobals;
};
 
HD_DECLARE_DATASOURCE_HANDLES(UsdImagingDataSourcePointInstancerTopology);
 
// ----------------------------------------------------------------------------
 
class UsdImagingDataSourcePointInstancerPrim
    : public UsdImagingDataSourcePrim
{
public:
    HD_DECLARE_DATASOURCE(UsdImagingDataSourcePointInstancerPrim);
 
    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:
    // Private constructor, use static New() instead.
    USDIMAGING_API
    UsdImagingDataSourcePointInstancerPrim(
        const SdfPath &sceneIndexPath,
        UsdPrim usdPrim,
        const UsdImagingDataSourceStageGlobals &stageGlobals);
 
};
 
HD_DECLARE_DATASOURCE_HANDLES(UsdImagingDataSourcePointInstancerPrim);
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_USD_IMAGING_USD_IMAGING_DATA_SOURCE_POINT_INSTANCER_H