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/*
* Copyright 2011-2020 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __IMAGE_VDB__
#define __IMAGE_VDB__
#ifdef WITH_OPENVDB
# include <openvdb/openvdb.h>
#endif
#ifdef WITH_NANOVDB
# include <nanovdb/util/GridHandle.h>
#endif
#include "render/image.h"
CCL_NAMESPACE_BEGIN
class VDBImageLoader : public ImageLoader {
public:
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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