forked from bartvdbraak/blender
bf25f1ea96
number of keys in the curve, rather than curve segments with the indices of two keys. ShaderData.segment now stores the segment number in the curve.
60 lines
1.6 KiB
C++
60 lines
1.6 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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#include "bvh_build.h"
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#include "bvh_sort.h"
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#include "util_algorithm.h"
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#include "util_debug.h"
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CCL_NAMESPACE_BEGIN
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struct BVHReferenceCompare {
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public:
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int dim;
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BVHReferenceCompare(int dim_)
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{
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dim = dim_;
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}
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bool operator()(const BVHReference& ra, const BVHReference& rb)
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{
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float ca = ra.bounds().min[dim] + ra.bounds().max[dim];
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float cb = rb.bounds().min[dim] + rb.bounds().max[dim];
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if(ca < cb) return true;
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else if(ca > cb) return false;
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else if(ra.prim_object() < rb.prim_object()) return true;
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else if(ra.prim_object() > rb.prim_object()) return false;
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else if(ra.prim_index() < rb.prim_index()) return true;
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else if(ra.prim_index() > rb.prim_index()) return false;
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else if(ra.prim_segment() < rb.prim_segment()) return true;
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else if(ra.prim_segment() > rb.prim_segment()) return false;
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return false;
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}
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};
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void bvh_reference_sort(int start, int end, BVHReference *data, int dim)
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{
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sort(data+start, data+end, BVHReferenceCompare(dim));
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}
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CCL_NAMESPACE_END
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