points.h

//
// Copyright 2016 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HD_POINTS_H
#define PXR_IMAGING_HD_POINTS_H
 
#include "pxr/pxr.h"
#include "pxr/imaging/hd/api.h"
#include "pxr/imaging/hd/version.h"
#include "pxr/imaging/hd/rprim.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
struct HdPointsReprDesc
{
    HdPointsReprDesc(
        HdPointsGeomStyle geomStyle = HdPointsGeomStyleInvalid)
        : geomStyle(geomStyle)
        {}
    
    bool IsEmpty() const {
        return geomStyle == HdPointsGeomStyleInvalid;
    }
 
    HdPointsGeomStyle geomStyle;
};
 
class HdPoints: public HdRprim
{
public:
    HD_API
    ~HdPoints() override;
 
    inline HdDisplayStyle  GetDisplayStyle(HdSceneDelegate* delegate)  const;
 
    HD_API
    TfTokenVector const & GetBuiltinPrimvarNames() const override;
 
    HD_API
    static void ConfigureRepr(TfToken const &reprName,
                              const HdPointsReprDesc &desc);
 
protected:
    HD_API
    HdPoints(SdfPath const& id);
 
    using _PointsReprConfig = _ReprDescConfigs<HdPointsReprDesc>;
 
    HD_API
    static _PointsReprConfig::DescArray _GetReprDesc(TfToken const &reprName);
 
private:
 
    // Class can not be default constructed or copied.
    HdPoints()                             = delete;
    HdPoints(const HdPoints &)             = delete;
    HdPoints &operator =(const HdPoints &) = delete;
 
    static _PointsReprConfig _reprDescConfig;
};
 
inline HdDisplayStyle
HdPoints::GetDisplayStyle(HdSceneDelegate* delegate) const
{
    return delegate->GetDisplayStyle(GetId());
}
 
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_IMAGING_HD_POINTS_H