concatenatedVectorDataSource.h

//
// Copyright 2026 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HD_CONCATENATED_VECTOR_DATA_SOURCE_H
#define PXR_IMAGING_HD_CONCATENATED_VECTOR_DATA_SOURCE_H
 
#include "pxr/imaging/hd/dataSource.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
class HdConcatenatedVectorDataSource : public HdVectorDataSource
{
public:
    HD_DECLARE_DATASOURCE(HdConcatenatedVectorDataSource);
 
    HD_DECLARE_DATASOURCE_INITIALIZER_LIST_NEW(
            HdConcatenatedVectorDataSource,
            HdVectorDataSourceHandle);
 
    HD_API
    static
    HdVectorDataSourceHandle
    ConcatenatedVectorDataSources(
        const HdVectorDataSourceHandle &src1,
        const HdVectorDataSourceHandle &src2);
 
    HD_API
    size_t GetNumElements() override;
 
    HD_API
    HdDataSourceBaseHandle GetElement(size_t i) override;
 
private:
    HD_API
    HdConcatenatedVectorDataSource(
        const std::initializer_list<HdVectorDataSourceHandle> &sources);
 
    HD_API
    HdConcatenatedVectorDataSource(
        size_t count,
        HdVectorDataSourceHandle *vectors);
 
    HD_API
    HdConcatenatedVectorDataSource(
        const HdVectorDataSourceHandle &src1,
        const HdVectorDataSourceHandle &src2);
 
    HD_API
    HdConcatenatedVectorDataSource(
        const HdVectorDataSourceHandle &src1,
        const HdVectorDataSourceHandle &src2,
        const HdVectorDataSourceHandle &src3);
 
    using _Sources = TfSmallVector<HdVectorDataSourceHandle, 8>;
    _Sources _sources;
};
 
HD_DECLARE_DATASOURCE_HANDLES(HdConcatenatedVectorDataSource);
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif