qgs3dmapconfigwidget: Only display shadow debug map if shadows are en…

…abled

The shadow debug map can be enabled from the configuration widget even
if the shadow effect is not enabled. In that case, the displayed
shadow map does not make it any sense.

This issue is fixed by displaying the shadow debug map only if the
shadow effect is enabled.

src/app/3d/qgs3dmapconfigwidget.cpp

@@ -385,7 +385,9 @@ void Qgs3DMapConfigWidget::apply()
   mMap->setViewFrustumVisualizationEnabled( mVisualizeExtentCheckBox->isChecked() );
 
   mMap->setDebugDepthMapSettings( mDebugDepthMapGroupBox->isChecked(), static_cast<Qt::Corner>( mDebugDepthMapCornerComboBox->currentIndex() ), mDebugDepthMapSizeSpinBox->value() );
-  mMap->setDebugShadowMapSettings( mDebugShadowMapGroupBox->isChecked(), static_cast<Qt::Corner>( mDebugShadowMapCornerComboBox->currentIndex() ), mDebugShadowMapSizeSpinBox->value() );
+
+  // Do not display the shadow debug map if the shadow effect is not enabled.
+  mMap->setDebugShadowMapSettings( mDebugShadowMapGroupBox->isChecked() && groupShadowRendering->isChecked(), static_cast<Qt::Corner>( mDebugShadowMapCornerComboBox->currentIndex() ), mDebugShadowMapSizeSpinBox->value() );
 }
 
 void Qgs3DMapConfigWidget::onTerrainTypeChanged()