tornavis/source/blender/blenkernel/BKE_volume_openvdb.hh

74 lines
2.6 KiB
C++

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