Even faster 2d point cloud rendering by disabling unnecessary antiali…

…asing flag This thing seriously flies now!
qgis · Dec 1, 2020 · 47a6e36 · 47a6e36
1 parent f68e3ae
commit 47a6e36
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diff --git a/src/core/pointcloud/qgspointcloudlayerrenderer.cpp b/src/core/pointcloud/qgspointcloudlayerrenderer.cpp
@@ -80,6 +80,8 @@ bool QgsPointCloudLayerRenderer::render()
 
   QgsScopedQPainterState painterState( painter );
   context.renderContext().setPainterFlagsUsingContext( painter );
+  // for point clouds we always disable antialiasing -- it's not critical here and we benefit from the performance boost disabling it gives
+  context.renderContext().painter()->setRenderHint( QPainter::Antialiasing, false );
 
   QgsPointCloudDataBounds db;
 

diff --git a/...ontrol_images/pointcloudrenderer/expected_blendmode/expected_blendmode_mask.png b/...ontrol_images/pointcloudrenderer/expected_blendmode/expected_blendmode_mask.png
diff --git a/...ta/control_images/pointcloudrenderer/expected_opacity/expected_opacity_mask.png b/...ta/control_images/pointcloudrenderer/expected_opacity/expected_opacity_mask.png
diff --git a/...ontrol_images/pointcloudrenderer/expected_pointsize/expected_pointsize_mask.png b/...ontrol_images/pointcloudrenderer/expected_pointsize/expected_pointsize_mask.png
diff --git a/..._images/pointcloudrenderer/expected_rgb_contrast/expected_rgb_contrast_mask.png b/..._images/pointcloudrenderer/expected_rgb_contrast/expected_rgb_contrast_mask.png
diff --git a/...trol_images/pointcloudrenderer/expected_rgb_render/expected_rgb_render_mask.png b/...trol_images/pointcloudrenderer/expected_rgb_render/expected_rgb_render_mask.png
diff --git a/...er/expected_rgb_render_crs_transform/expected_rgb_render_crs_transform_mask.png b/...er/expected_rgb_render_crs_transform/expected_rgb_render_crs_transform_mask.png
diff --git a/...ta/control_images/pointcloudrenderer/expected_zfilter/expected_zfilter_mask.png b/...ta/control_images/pointcloudrenderer/expected_zfilter/expected_zfilter_mask.png