8111152c67
OpenVDB to NanoVDB was moved, a new NanoVDB to OpenVDB mask grid was added for future use. Some redundant CMake code was simplified. Pull Request: https://projects.blender.org/blender/blender/pulls/132908
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#ifdef WITH_OPENVDB
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# include "util/openvdb.h"
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# include <openvdb/tools/Activate.h>
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# include <openvdb/tools/Dense.h>
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CCL_NAMESPACE_BEGIN
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/* Convert to the few data types we native can render. */
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openvdb::GridBase::ConstPtr openvdb_convert_to_known_type(const openvdb::GridBase::ConstPtr &grid)
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{
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if (grid->isType<openvdb::FloatGrid>()) {
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return grid;
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}
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if (grid->isType<openvdb::Vec3fGrid>()) {
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return grid;
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}
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if (grid->isType<openvdb::Vec4fGrid>()) {
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return grid;
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}
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if (grid->isType<openvdb::BoolGrid>()) {
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const openvdb::FloatGrid floatgrid(*openvdb::gridConstPtrCast<openvdb::BoolGrid>(grid));
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return std::make_shared<openvdb::FloatGrid>(std::move(floatgrid));
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}
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if (grid->isType<openvdb::DoubleGrid>()) {
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const openvdb::FloatGrid floatgrid(*openvdb::gridConstPtrCast<openvdb::DoubleGrid>(grid));
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return std::make_shared<openvdb::FloatGrid>(std::move(floatgrid));
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}
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if (grid->isType<openvdb::Int32Grid>()) {
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const openvdb::FloatGrid floatgrid(*openvdb::gridConstPtrCast<openvdb::Int32Grid>(grid));
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return std::make_shared<openvdb::FloatGrid>(std::move(floatgrid));
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}
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if (grid->isType<openvdb::Int64Grid>()) {
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const openvdb::FloatGrid floatgrid(*openvdb::gridConstPtrCast<openvdb::Int64Grid>(grid));
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return std::make_shared<openvdb::FloatGrid>(std::move(floatgrid));
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}
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if (grid->isType<openvdb::Vec3IGrid>()) {
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const openvdb::Vec3fGrid floatgrid(*openvdb::gridConstPtrCast<openvdb::Vec3IGrid>(grid));
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return std::make_shared<openvdb::Vec3fGrid>(std::move(floatgrid));
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}
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if (grid->isType<openvdb::Vec3dGrid>()) {
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const openvdb::Vec3fGrid floatgrid(*openvdb::gridConstPtrCast<openvdb::Vec3dGrid>(grid));
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return std::make_shared<openvdb::Vec3fGrid>(std::move(floatgrid));
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}
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return nullptr;
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}
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/* Counter number of channels. */
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struct NumChannelsOp {
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int num_channels = 0;
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template<typename GridType, typename FloatDataType, const int channels>
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bool operator()(const typename GridType::ConstPtr & /*unused*/)
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{
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num_channels = channels;
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return true;
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}
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};
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int openvdb_num_channels(const openvdb::GridBase::ConstPtr &grid)
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{
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NumChannelsOp op;
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if (!openvdb_grid_type_operation(grid, op)) {
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return 0;
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}
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return op.num_channels;
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}
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/* Convert OpenVDB to NanoVDB. */
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# ifdef WITH_NANOVDB
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# endif
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CCL_NAMESPACE_END
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#endif
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