forked from bartvdbraak/blender
697fd86506
This patch stitches the vertices along patch edges so that cracks can no longer form when applying subdivision or displacement a mesh. Subpatches are now formed in a way that ensures vertex indices along subpatch edges are equal for adjacent subpatches. A mapping of vertices along patch edges is built to preform stitching. Overall performance is roughly the same, some gains were made in splitting, but some was lost in stitching. This fixes: - T49049 (cracks between patches from material and uv seams) - T49048 (discontinuous normals with true displacement) Reviewers: sergey, brecht Differential Revision: https://developer.blender.org/D3692
40 lines
1018 B
C++
40 lines
1018 B
C++
/*
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* Copyright 2011-2013 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 __UTIL_MAP_H__
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#define __UTIL_MAP_H__
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#include <map>
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#include <unordered_map>
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CCL_NAMESPACE_BEGIN
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using std::map;
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using std::pair;
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using std::unordered_map;
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using std::unordered_multimap;
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template<typename T> static void map_free_memory(T &data)
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{
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/* Use swap() trick to actually free all internal memory. */
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T empty_data;
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data.swap(empty_data);
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}
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CCL_NAMESPACE_END
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#endif /* __UTIL_MAP_H__ */
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