Speed up point layer rendering - don't calculate unused label obstacles

Cuts render time by ~60%. Fix #15752. (cherry-picked from 5798a82)
qgis · Oct 28, 2016 · 68cbf07 · 68cbf07
1 parent fa7491f
commit 68cbf07
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/core/qgsvectorlayerrenderer.cpp b/src/core/qgsvectorlayerrenderer.cpp
@@ -333,7 +333,7 @@ void QgsVectorLayerRenderer::drawRendererV2( QgsFeatureIterator& fit )
           }
         }
         // new labeling engine
-        if ( mContext.labelingEngineV2() )
+        if ( mContext.labelingEngineV2() && ( mLabelProvider || mDiagramProvider ) )
         {
           QScopedPointer<QgsGeometry> obstacleGeometry;
           QgsSymbolV2List symbols = mRendererV2->originalSymbolsForFeature( fet, mContext );