SweepAndPrune.h

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#ifndef PBAT_GPU_GEOMETRY_SWEEPANDPRUNE_H
#define PBAT_GPU_GEOMETRY_SWEEPANDPRUNE_H
 
#include "Aabb.h"
#include "PhysicsBasedAnimationToolkitExport.h"
#include "pbat/gpu/Aliases.h"
#include "pbat/gpu/common/Buffer.h"
 
#include <cstddef>
 
namespace pbat::gpu::impl::geometry {
class SweepAndPrune;
} // namespace pbat::gpu::impl::geometry
 
namespace pbat {
namespace gpu {
namespace geometry {

class SweepAndPrune
{
  public:
    using Impl = impl::geometry::SweepAndPrune; 

    PBAT_API SweepAndPrune(std::size_t nPrimitives, std::size_t nOverlaps);
 
    SweepAndPrune(SweepAndPrune const&)            = delete;
    SweepAndPrune& operator=(SweepAndPrune const&) = delete;
    PBAT_API SweepAndPrune(SweepAndPrune&&) noexcept;
    PBAT_API SweepAndPrune& operator=(SweepAndPrune&&) noexcept;
    PBAT_API GpuIndexMatrixX SortAndSweep(Aabb& aabbs);
    PBAT_API GpuIndexMatrixX SortAndSweep(common::Buffer const& set, Aabb& aabbs);
 
    PBAT_API ~SweepAndPrune();
 
  private:
    void Deallocate();
 
    Impl* mImpl;     
    void* mOverlaps; 
};
 
} // namespace geometry
} // namespace gpu
} // namespace pbat
 
#endif // PBAT_GPU_GEOMETRY_SWEEPANDPRUNE_H