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JoinIdenticalVertices: Performance optimizations by Krishty („Fuck the System”). Yields a 9x speedup in first benchmarks with meshes > 2k triangles.

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git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@780 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
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aramis_acg
2010-07-11 23:07:11 +00:00
parent 9e8a9586b3
commit a9fd02c14e
4 changed files with 160 additions and 12 deletions
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9
code/SpatialSort.h
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@@ -120,6 +120,15 @@ public:
void FindPositions( const aiVector3D& pPosition, float pRadius,
std::vector<unsigned int>& poResults) const;
// ------------------------------------------------------------------------------------
/** Fills an array with indices of all positions indentical to the given position. In
* opposite to FindPositions(), not an epsilon is used but a (very low) tolerance of
* four floating-point units.
* @param pPosition The position to look for vertices.
* @param poResults The container to store the indices of the found positions.
* Will be emptied by the call so it may contain anything.*/
void FindIdenticalPositions( const aiVector3D& pPosition,
std::vector<unsigned int>& poResults) const;
// ------------------------------------------------------------------------------------
/** Compute a table that maps each vertex ID referring to a spatially close