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Execution policy (multithreading)

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This commit is contained in:
Jakub Melka
2020-01-18 14:55:26 +01:00
parent db493db3cc
commit 1fd01c14fd
14 changed files with 266 additions and 34 deletions
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15
PdfForQtLib/sources/pdfpattern.cpp
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@ -20,6 +20,7 @@
#include "pdfexception.h"
#include "pdfutils.h"
#include "pdfcolorspaces.h"
#include "pdfexecutionpolicy.h"
#include <QPainter>
@ -618,7 +619,7 @@ PDFMesh PDFFunctionShading::createMesh(const PDFMeshQualitySettings& settings, c
}
};
std::for_each(std::execution::parallel_policy(), indices.cbegin(), indices.cend(), setColor);
PDFExecutionPolicy::execute(PDFExecutionPolicy::Scope::Content, indices.cbegin(), indices.cend(), setColor);
if (!functionError)
{
@ -664,7 +665,7 @@ PDFMesh PDFFunctionShading::createMesh(const PDFMeshQualitySettings& settings, c
}
}
};
std::for_each(std::execution::parallel_policy(), indices.cbegin(), indices.cend(), validateMesh);
PDFExecutionPolicy::execute(PDFExecutionPolicy::Scope::Content, indices.cbegin(), indices.cend(), validateMesh);
if (!isMeshOK && resolution != settings.minimalMeshResolution)
{
continue;
@ -750,7 +751,7 @@ PDFMesh PDFFunctionShading::createMesh(const PDFMeshQualitySettings& settings, c
triangles[triangleIndex1] = triangle1;
triangles[triangleIndex2] = triangle2;
};
std::for_each(std::execution::parallel_policy(), indices.cbegin(), indices.cend(), generateTriangle);
PDFExecutionPolicy::execute(PDFExecutionPolicy::Scope::Content, indices.cbegin(), indices.cend(), generateTriangle);
mesh.setTriangles(qMove(triangles));
if (!functionError)
@ -1475,7 +1476,7 @@ PDFMesh PDFFreeFormGouradTriangleShading::createMesh(const PDFMeshQualitySetting
};
PDFIntegerRange indices(size_t(0), vertexCount);
std::for_each(std::execution::parallel_policy(), indices.begin(), indices.end(), readVertex);
PDFExecutionPolicy::execute(PDFExecutionPolicy::Scope::Content, indices.begin(), indices.end(), readVertex);
mesh.setVertices(qMove(meshVertices));
vertices.front().flags = 0;
@ -1624,7 +1625,7 @@ PDFMesh PDFLatticeFormGouradTriangleShading::createMesh(const PDFMeshQualitySett
};
PDFIntegerRange indices(size_t(0), vertexCount);
std::for_each(std::execution::parallel_policy(), indices.begin(), indices.end(), readVertex);
PDFExecutionPolicy::execute(PDFExecutionPolicy::Scope::Content, indices.begin(), indices.end(), readVertex);
mesh.setVertices(qMove(meshVertices));
auto getVertexIndex = [columnCount](size_t row, size_t column) -> size_t
@ -2253,7 +2254,7 @@ void PDFTensorProductPatchShadingBase::fillMesh(PDFMesh& mesh,
PDFReal previousCurvature = maximalCurvature;
while (previousCurvature < curvature && !maximalCurvature.compare_exchange_weak(previousCurvature, curvature)) { }
};
std::for_each(std::execution::parallel_policy(), range.begin(), range.end(), updateCurvature);
PDFExecutionPolicy::execute(PDFExecutionPolicy::Scope::Content, range.begin(), range.end(), updateCurvature);
auto getColorForUV = [&](PDFReal u, PDFReal v)
{
@ -2364,7 +2365,7 @@ void PDFTensorProductPatchShadingBase::fillMesh(PDFMesh& mesh,
QPointF rightCenter = right.getCenter();
return std::pair(leftCenter.y(), leftCenter.x()) < std::pair(rightCenter.y(), rightCenter.x());
};
std::sort(std::execution::parallel_policy(), finishedTriangles.begin(), finishedTriangles.end(), comparator);
PDFExecutionPolicy::sort(PDFExecutionPolicy::Scope::Content, finishedTriangles.begin(), finishedTriangles.end(), comparator);
std::vector<QPointF> vertices;
std::vector<PDFMesh::Triangle> triangles;