Fix for reprojecting opaque tile sources

src/ol/renderer/canvas/canvastilelayerrenderer.js

@@ -365,7 +365,7 @@ ol.renderer.canvas.TileLayer.prototype.prepareFrame =
   /** @type {Array.<number>} */
   var zs = Object.keys(tilesToDrawByZ).map(Number);
   zs.sort(ol.array.numberSafeCompareFunction);
-  var opaque = tileSource.getOpaque();
+  var opaque = tileSource.getOpaque(projection);
   var origin = ol.extent.getTopLeft(tileGrid.getTileCoordExtent(
       [z, canvasTileRange.minX, canvasTileRange.maxY],
       tmpExtent));