qgsimagewarper.cpp: multithreaded image warp (#41110)

Use GDALWarpOperation::ChunkAndWarpMulti() to use multithread I/O and computation. Will not bring major improvements but can help a bit
qgis · Feb 4, 2021 · d293765 · d293765
1 parent 043b8a7
commit d293765
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/src/app/georeferencer/qgsimagewarper.cpp b/src/app/georeferencer/qgsimagewarper.cpp
@@ -244,8 +244,7 @@ int QgsImageWarper::warpFile( const QString &input,
   progressDialog->raise();
   progressDialog->activateWindow();
 
-  eErr = oOperation.ChunkAndWarpImage( 0, 0, destPixels, destLines );
-//  eErr = oOperation.ChunkAndWarpMulti(0, 0, destPixels, destLines);
+  eErr = oOperation.ChunkAndWarpMulti( 0, 0, destPixels, destLines );
 
   destroyGeoToPixelTransform( psWarpOptions->pTransformerArg );
   delete progressDialog;