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#5429 Pre-allocate cellCornerWeights array

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This commit is contained in:
Jacob Støren 2020-01-31 10:12:50 +01:00
parent fefd4d2fe8
commit fbf1d12fb4
1 changed files with 4 additions and 5 deletions
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9
ApplicationCode/ModelVisualization/Surfaces/RivSurfaceIntersectionGeometryGenerator.cpp
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@ -152,6 +152,8 @@ void RivSurfaceIntersectionGeometryGenerator::calculateArrays()
const std::vector<unsigned>& nativeTriangleIndices = m_usedSurfaceData->triangleIndices(); const std::vector<unsigned>& nativeTriangleIndices = m_usedSurfaceData->triangleIndices();
cvf::Vec3d displayModelOffset = m_hexGrid->displayOffset(); cvf::Vec3d displayModelOffset = m_hexGrid->displayOffset();
m_triVxToCellCornerWeights.reserve( nativeTriangleIndices.size() * 24 );
// Loop local memory allocation. // Loop local memory allocation.
// Must be thread private in omp paralellization // Must be thread private in omp paralellization
@ -229,13 +231,10 @@ void RivSurfaceIntersectionGeometryGenerator::calculateArrays()
p2, p2,
&clippedTriangleVxes, &clippedTriangleVxes,
&cellFaceForEachClippedTriangleEdge ); &cellFaceForEachClippedTriangleEdge );
if ( clippedTriangleVxes.empty() ) continue;
size_t clippedTriangleCount = clippedTriangleVxes.size() / 3; for ( uint triVxIdx = 0; triVxIdx < clippedTriangleVxes.size(); triVxIdx += 3 )
for ( uint clippTrIdx = 0; clippTrIdx < clippedTriangleCount; ++clippTrIdx )
{ {
uint triVxIdx = clippTrIdx * 3;
// Accumulate triangle vertices // Accumulate triangle vertices
cvf::Vec3d point0( clippedTriangleVxes[triVxIdx + 0] - displayModelOffset ); cvf::Vec3d point0( clippedTriangleVxes[triVxIdx + 0] - displayModelOffset );