diff options
Diffstat (limited to 'intern/cycles/render/image_vdb.cpp')
| -rw-r--r-- | intern/cycles/render/image_vdb.cpp | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/intern/cycles/render/image_vdb.cpp b/intern/cycles/render/image_vdb.cpp deleted file mode 100644 index 4da11c8a140..00000000000 --- a/intern/cycles/render/image_vdb.cpp +++ /dev/null @@ -1,249 +0,0 @@ -/* - * 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. - */ - -#include "render/image_vdb.h" - -#include "util/util_logging.h" -#include "util/util_openvdb.h" - -#ifdef WITH_OPENVDB -# include <openvdb/tools/Dense.h> -#endif -#ifdef WITH_NANOVDB -# include <nanovdb/util/OpenToNanoVDB.h> -#endif - -CCL_NAMESPACE_BEGIN - -#ifdef WITH_OPENVDB -struct NumChannelsOp { - int num_channels = 0; - - template<typename GridType, typename FloatGridType, typename FloatDataType, int channels> - bool operator()(const openvdb::GridBase::ConstPtr &) - { - num_channels = channels; - return true; - } -}; - -struct ToDenseOp { - openvdb::CoordBBox bbox; - void *pixels; - - template<typename GridType, typename FloatGridType, typename FloatDataType, int channels> - bool operator()(const openvdb::GridBase::ConstPtr &grid) - { - openvdb::tools::Dense<FloatDataType, openvdb::tools::LayoutXYZ> dense(bbox, - (FloatDataType *)pixels); - openvdb::tools::copyToDense(*openvdb::gridConstPtrCast<GridType>(grid), dense); - return true; - } -}; - -# ifdef WITH_NANOVDB -struct ToNanoOp { - nanovdb::GridHandle<> nanogrid; - - template<typename GridType, typename FloatGridType, typename FloatDataType, int channels> - bool operator()(const openvdb::GridBase::ConstPtr &grid) - { - if constexpr (!std::is_same_v<GridType, openvdb::MaskGrid>) { - try { - nanogrid = nanovdb::openToNanoVDB( - FloatGridType(*openvdb::gridConstPtrCast<GridType>(grid))); - } - catch (const std::exception &e) { - VLOG(1) << "Error converting OpenVDB to NanoVDB grid: " << e.what(); - } - return true; - } - else { - return false; - } - } -}; -# endif -#endif - -VDBImageLoader::VDBImageLoader(const string &grid_name) : grid_name(grid_name) -{ -} - -VDBImageLoader::~VDBImageLoader() -{ -} - -bool VDBImageLoader::load_metadata(const ImageDeviceFeatures &features, ImageMetaData &metadata) -{ -#ifdef WITH_OPENVDB - if (!grid) { - return false; - } - - /* Get number of channels from type. */ - NumChannelsOp op; - if (!openvdb::grid_type_operation(grid, op)) { - return false; - } - - metadata.channels = op.num_channels; - - /* Set data type. */ -# ifdef WITH_NANOVDB - if (features.has_nanovdb) { - /* NanoVDB expects no inactive leaf nodes. */ - /*openvdb::FloatGrid &pruned_grid = *openvdb::gridPtrCast<openvdb::FloatGrid>(grid); - openvdb::tools::pruneInactive(pruned_grid.tree()); - nanogrid = nanovdb::openToNanoVDB(pruned_grid);*/ - ToNanoOp op; - if (!openvdb::grid_type_operation(grid, op)) { - return false; - } - nanogrid = std::move(op.nanogrid); - } -# endif - - /* Set dimensions. */ - bbox = grid->evalActiveVoxelBoundingBox(); - if (bbox.empty()) { - return false; - } - - openvdb::Coord dim = bbox.dim(); - metadata.width = dim.x(); - metadata.height = dim.y(); - metadata.depth = dim.z(); - -# ifdef WITH_NANOVDB - if (nanogrid) { - metadata.byte_size = nanogrid.size(); - if (metadata.channels == 1) { - metadata.type = IMAGE_DATA_TYPE_NANOVDB_FLOAT; - } - else { - metadata.type = IMAGE_DATA_TYPE_NANOVDB_FLOAT3; - } - } - else -# endif - { - if (metadata.channels == 1) { - metadata.type = IMAGE_DATA_TYPE_FLOAT; - } - else { - metadata.type = IMAGE_DATA_TYPE_FLOAT4; - } - } - - /* Set transform from object space to voxel index. */ - openvdb::math::Mat4f grid_matrix = grid->transform().baseMap()->getAffineMap()->getMat4(); - Transform index_to_object; - for (int col = 0; col < 4; col++) { - for (int row = 0; row < 3; row++) { - index_to_object[row][col] = (float)grid_matrix[col][row]; - } - } - - Transform texture_to_index; -# ifdef WITH_NANOVDB - if (nanogrid) { - texture_to_index = transform_identity(); - } - else -# endif - { - openvdb::Coord min = bbox.min(); - texture_to_index = transform_translate(min.x(), min.y(), min.z()) * - transform_scale(dim.x(), dim.y(), dim.z()); - } - - metadata.transform_3d = transform_inverse(index_to_object * texture_to_index); - metadata.use_transform_3d = true; - -# ifndef WITH_NANOVDB - (void)features; -# endif - return true; -#else - (void)metadata; - (void)features; - return false; -#endif -} - -bool VDBImageLoader::load_pixels(const ImageMetaData &, void *pixels, const size_t, const bool) -{ -#ifdef WITH_OPENVDB -# ifdef WITH_NANOVDB - if (nanogrid) { - memcpy(pixels, nanogrid.data(), nanogrid.size()); - } - else -# endif - { - ToDenseOp op; - op.pixels = pixels; - op.bbox = bbox; - openvdb::grid_type_operation(grid, op); - } - return true; -#else - (void)pixels; - return false; -#endif -} - -string VDBImageLoader::name() const -{ - return grid_name; -} - -bool VDBImageLoader::equals(const ImageLoader &other) const -{ -#ifdef WITH_OPENVDB - const VDBImageLoader &other_loader = (const VDBImageLoader &)other; - return grid == other_loader.grid; -#else - (void)other; - return true; -#endif -} - -void VDBImageLoader::cleanup() -{ -#ifdef WITH_OPENVDB - /* Free OpenVDB grid memory as soon as we can. */ - grid.reset(); -#endif -#ifdef WITH_NANOVDB - nanogrid.reset(); -#endif -} - -bool VDBImageLoader::is_vdb_loader() const -{ - return true; -} - -#ifdef WITH_OPENVDB -openvdb::GridBase::ConstPtr VDBImageLoader::get_grid() -{ - return grid; -} -#endif - -CCL_NAMESPACE_END |