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/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#ifndef __IMAGE_VDB__
#define __IMAGE_VDB__
#ifdef WITH_OPENVDB
# include <openvdb/openvdb.h>
#endif
#ifdef WITH_NANOVDB
# include <nanovdb/util/GridHandle.h>
#endif
#include "scene/image.h"
CCL_NAMESPACE_BEGIN
class VDBImageLoader : public ImageLoader {
public:
VDBImageLoader(openvdb::GridBase::ConstPtr grid_, const string &grid_name);
VDBImageLoader(const string &grid_name);
~VDBImageLoader();
virtual bool load_metadata(const ImageDeviceFeatures &features,
ImageMetaData &metadata) override;
virtual bool load_pixels(const ImageMetaData &metadata,
void *pixels,
const size_t pixels_size,
const bool associate_alpha) override;
virtual string name() const override;
virtual bool equals(const ImageLoader &other) const override;
virtual void cleanup() override;
virtual bool is_vdb_loader() const override;
#ifdef WITH_OPENVDB
openvdb::GridBase::ConstPtr get_grid();
#endif
protected:
string grid_name;
#ifdef WITH_OPENVDB
openvdb::GridBase::ConstPtr grid;
openvdb::CoordBBox bbox;
#endif
#ifdef WITH_NANOVDB
nanovdb::GridHandle<> nanogrid;
#endif
};
CCL_NAMESPACE_END
#endif /* __IMAGE_VDB__ */
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