forked from bartvdbraak/blender
0579eaae1f
The idea is to make include statements more explicit and obvious where the file is coming from, additionally reducing chance of wrong header being picked up. For example, it was not obvious whether bvh.h was refferring to builder or traversal, whenter node.h is a generic graph node or a shader node and cases like that. Surely this might look obvious for the active developers, but after some time of not touching the code it becomes less obvious where file is coming from. This was briefly mentioned in T50824 and seems @brecht is fine with such explicitness, but need to agree with all active developers before committing this. Please note that this patch is lacking changes related on GPU/OpenCL support. This will be solved if/when we all agree this is a good idea to move forward. Reviewers: brecht, lukasstockner97, maiself, nirved, dingto, juicyfruit, swerner Reviewed By: lukasstockner97, maiself, nirved, dingto Subscribers: brecht Differential Revision: https://developer.blender.org/D2586
146 lines
4.1 KiB
C++
146 lines
4.1 KiB
C++
/*
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* Adapted from code copyright 2009-2010 NVIDIA Corporation
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* Modifications Copyright 2011, Blender Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __BVH_BUILD_H__
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#define __BVH_BUILD_H__
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#include <float.h>
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#include "bvh/bvh.h"
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#include "bvh/bvh_binning.h"
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#include "bvh/bvh_unaligned.h"
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#include "util/util_boundbox.h"
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#include "util/util_task.h"
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#include "util/util_vector.h"
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CCL_NAMESPACE_BEGIN
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class BVHBuildTask;
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class BVHSpatialSplitBuildTask;
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class BVHParams;
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class InnerNode;
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class Mesh;
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class Object;
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class Progress;
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/* BVH Builder */
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class BVHBuild
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{
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public:
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/* Constructor/Destructor */
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BVHBuild(const vector<Object*>& objects,
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array<int>& prim_type,
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array<int>& prim_index,
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array<int>& prim_object,
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array<float2>& prim_time,
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const BVHParams& params,
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Progress& progress);
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~BVHBuild();
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BVHNode *run();
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protected:
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friend class BVHMixedSplit;
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friend class BVHObjectSplit;
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friend class BVHSpatialSplit;
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friend class BVHBuildTask;
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friend class BVHSpatialSplitBuildTask;
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friend class BVHObjectBinning;
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/* Adding references. */
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void add_reference_triangles(BoundBox& root, BoundBox& center, Mesh *mesh, int i);
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void add_reference_curves(BoundBox& root, BoundBox& center, Mesh *mesh, int i);
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void add_reference_mesh(BoundBox& root, BoundBox& center, Mesh *mesh, int i);
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void add_reference_object(BoundBox& root, BoundBox& center, Object *ob, int i);
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void add_references(BVHRange& root);
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/* Building. */
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BVHNode *build_node(const BVHRange& range,
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vector<BVHReference> *references,
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int level,
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int thread_id);
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BVHNode *build_node(const BVHObjectBinning& range, int level);
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BVHNode *create_leaf_node(const BVHRange& range,
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const vector<BVHReference>& references);
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BVHNode *create_object_leaf_nodes(const BVHReference *ref, int start, int num);
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bool range_within_max_leaf_size(const BVHRange& range,
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const vector<BVHReference>& references) const;
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/* Threads. */
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enum { THREAD_TASK_SIZE = 4096 };
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void thread_build_node(InnerNode *node,
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int child,
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BVHObjectBinning *range,
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int level);
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void thread_build_spatial_split_node(InnerNode *node,
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int child,
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BVHRange *range,
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vector<BVHReference> *references,
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int level,
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int thread_id);
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thread_mutex build_mutex;
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/* Progress. */
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void progress_update();
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/* Tree rotations. */
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void rotate(BVHNode *node, int max_depth);
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void rotate(BVHNode *node, int max_depth, int iterations);
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/* Objects and primitive references. */
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vector<Object*> objects;
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vector<BVHReference> references;
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int num_original_references;
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/* Output primitive indexes and objects. */
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array<int>& prim_type;
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array<int>& prim_index;
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array<int>& prim_object;
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array<float2>& prim_time;
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bool need_prim_time;
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/* Build parameters. */
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BVHParams params;
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/* Progress reporting. */
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Progress& progress;
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double progress_start_time;
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size_t progress_count;
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size_t progress_total;
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size_t progress_original_total;
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/* Spatial splitting. */
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float spatial_min_overlap;
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vector<BVHSpatialStorage> spatial_storage;
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size_t spatial_free_index;
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thread_spin_lock spatial_spin_lock;
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/* Threads. */
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TaskPool task_pool;
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/* Unaligned building. */
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BVHUnaligned unaligned_heuristic;
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};
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CCL_NAMESPACE_END
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#endif /* __BVH_BUILD_H__ */
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