81 lines
3.1 KiB
C++
81 lines
3.1 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#ifdef WITH_OPENVDB
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# include <openvdb/openvdb.h>
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# include <openvdb/points/PointDataGrid.h>
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# include "BLI_math_matrix_types.hh"
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# include "BLI_math_vector_types.hh"
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# include "BLI_string_ref.hh"
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VolumeGrid *BKE_volume_grid_add_vdb(Volume &volume,
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blender::StringRef name,
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openvdb::GridBase::Ptr vdb_grid);
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bool BKE_volume_grid_bounds(openvdb::GridBase::ConstPtr grid,
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blender::float3 &r_min,
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blender::float3 &r_max);
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/**
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* Return a new grid pointer with only the metadata and transform changed.
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* This is useful for instances, where there is a separate transform on top of the original
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* grid transform that must be applied for some operations that only take a grid argument.
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*/
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openvdb::GridBase::ConstPtr BKE_volume_grid_shallow_transform(openvdb::GridBase::ConstPtr grid,
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const blender::float4x4 &transform);
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openvdb::GridBase::ConstPtr BKE_volume_grid_openvdb_for_metadata(const VolumeGrid *grid);
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openvdb::GridBase::ConstPtr BKE_volume_grid_openvdb_for_read(const Volume *volume,
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const VolumeGrid *grid);
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openvdb::GridBase::Ptr BKE_volume_grid_openvdb_for_write(const Volume *volume,
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VolumeGrid *grid,
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bool clear);
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void BKE_volume_grid_clear_tree(Volume &volume, VolumeGrid &volume_grid);
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void BKE_volume_grid_clear_tree(openvdb::GridBase &grid);
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VolumeGridType BKE_volume_grid_type_openvdb(const openvdb::GridBase &grid);
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template<typename OpType>
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auto BKE_volume_grid_type_operation(const VolumeGridType grid_type, OpType &&op)
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{
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switch (grid_type) {
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case VOLUME_GRID_FLOAT:
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return op.template operator()<openvdb::FloatGrid>();
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case VOLUME_GRID_VECTOR_FLOAT:
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return op.template operator()<openvdb::Vec3fGrid>();
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case VOLUME_GRID_BOOLEAN:
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return op.template operator()<openvdb::BoolGrid>();
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case VOLUME_GRID_DOUBLE:
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return op.template operator()<openvdb::DoubleGrid>();
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case VOLUME_GRID_INT:
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return op.template operator()<openvdb::Int32Grid>();
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case VOLUME_GRID_INT64:
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return op.template operator()<openvdb::Int64Grid>();
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case VOLUME_GRID_VECTOR_INT:
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return op.template operator()<openvdb::Vec3IGrid>();
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case VOLUME_GRID_VECTOR_DOUBLE:
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return op.template operator()<openvdb::Vec3dGrid>();
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case VOLUME_GRID_MASK:
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return op.template operator()<openvdb::MaskGrid>();
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case VOLUME_GRID_POINTS:
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return op.template operator()<openvdb::points::PointDataGrid>();
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case VOLUME_GRID_UNKNOWN:
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break;
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}
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/* Should never be called. */
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BLI_assert_msg(0, "should never be reached");
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return op.template operator()<openvdb::FloatGrid>();
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}
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openvdb::GridBase::Ptr BKE_volume_grid_create_with_changed_resolution(
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const VolumeGridType grid_type, const openvdb::GridBase &old_grid, float resolution_factor);
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#endif
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