diff --git a/src/ol/renderer/canvas/canvastilelayerrenderer.js b/src/ol/renderer/canvas/canvastilelayerrenderer.js
index 64aca68b02..acb6635e93 100644
--- a/src/ol/renderer/canvas/canvastilelayerrenderer.js
+++ b/src/ol/renderer/canvas/canvastilelayerrenderer.js
@@ -164,6 +164,7 @@ ol.renderer.canvas.TileLayer.prototype.prepareFrame =
   //   composition and positioning.
   //
 
+  var pixelRatio = frameState.pixelRatio;
   var view2DState = frameState.view2DState;
   var projection = view2DState.projection;
 
@@ -261,7 +262,7 @@ ol.renderer.canvas.TileLayer.prototype.prepareFrame =
 
   var getTileIfLoaded = this.createGetTileIfLoadedFunction(function(tile) {
     return !goog.isNull(tile) && tile.getState() == ol.TileState.LOADED;
-  }, tileSource, projection);
+  }, tileSource, pixelRatio, projection);
   var findLoadedTiles = goog.bind(tileSource.findLoadedTiles, tileSource,
       tilesToDrawByZ, getTileIfLoaded);
 
@@ -271,7 +272,7 @@ ol.renderer.canvas.TileLayer.prototype.prepareFrame =
   for (x = tileRange.minX; x <= tileRange.maxX; ++x) {
     for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
 
-      tile = tileSource.getTile(z, x, y, projection);
+      tile = tileSource.getTile(z, x, y, pixelRatio, projection);
       tileState = tile.getState();
       if (tileState == ol.TileState.LOADED ||
           tileState == ol.TileState.EMPTY ||
@@ -377,12 +378,11 @@ ol.renderer.canvas.TileLayer.prototype.prepareFrame =
   }
 
   this.updateUsedTiles(frameState.usedTiles, tileSource, z, tileRange);
-  this.manageTilePyramid(frameState, tileSource, tileGrid, projection, extent,
-      z, tileLayer.getPreload());
+  this.manageTilePyramid(frameState, tileSource, tileGrid, pixelRatio,
+      projection, extent, z, tileLayer.getPreload());
   this.scheduleExpireCache(frameState, tileSource);
   this.updateLogos(frameState, tileSource);
 
-  var pixelRatio = frameState.pixelRatio;
   ol.vec.Mat4.makeTransform2D(this.imageTransform_,
       pixelRatio * frameState.size[0] / 2,
       pixelRatio * frameState.size[1] / 2,
diff --git a/src/ol/renderer/dom/domtilelayerrenderer.js b/src/ol/renderer/dom/domtilelayerrenderer.js
index a2c7c1ec13..0d0f0eeccc 100644
--- a/src/ol/renderer/dom/domtilelayerrenderer.js
+++ b/src/ol/renderer/dom/domtilelayerrenderer.js
@@ -81,6 +81,7 @@ ol.renderer.dom.TileLayer.prototype.prepareFrame =
     return;
   }
 
+  var pixelRatio = frameState.pixelRatio;
   var view2DState = frameState.view2DState;
   var projection = view2DState.projection;
 
@@ -113,7 +114,7 @@ ol.renderer.dom.TileLayer.prototype.prepareFrame =
 
   var getTileIfLoaded = this.createGetTileIfLoadedFunction(function(tile) {
     return !goog.isNull(tile) && tile.getState() == ol.TileState.LOADED;
-  }, tileSource, projection);
+  }, tileSource, pixelRatio, projection);
   var findLoadedTiles = goog.bind(tileSource.findLoadedTiles, tileSource,
       tilesToDrawByZ, getTileIfLoaded);
 
@@ -123,7 +124,7 @@ ol.renderer.dom.TileLayer.prototype.prepareFrame =
   for (x = tileRange.minX; x <= tileRange.maxX; ++x) {
     for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
 
-      tile = tileSource.getTile(z, x, y, projection);
+      tile = tileSource.getTile(z, x, y, pixelRatio, projection);
       tileState = tile.getState();
       if (tileState == ol.TileState.LOADED) {
         tilesToDrawByZ[z][tile.tileCoord.toString()] = tile;
@@ -241,8 +242,8 @@ ol.renderer.dom.TileLayer.prototype.prepareFrame =
   }
 
   this.updateUsedTiles(frameState.usedTiles, tileSource, z, tileRange);
-  this.manageTilePyramid(frameState, tileSource, tileGrid, projection, extent,
-      z, tileLayer.getPreload());
+  this.manageTilePyramid(frameState, tileSource, tileGrid, pixelRatio,
+      projection, extent, z, tileLayer.getPreload());
   this.scheduleExpireCache(frameState, tileSource);
   this.updateLogos(frameState, tileSource);
 
diff --git a/src/ol/renderer/layerrenderer.js b/src/ol/renderer/layerrenderer.js
index dfce3aae5e..4ef96fd124 100644
--- a/src/ol/renderer/layerrenderer.js
+++ b/src/ol/renderer/layerrenderer.js
@@ -197,13 +197,14 @@ ol.renderer.Layer.prototype.updateUsedTiles =
  * @param {function(ol.Tile): boolean} isLoadedFunction Function to
  *     determine if the tile is loaded.
  * @param {ol.source.Tile} tileSource Tile source.
+ * @param {number} pixelRatio Pixel ratio.
  * @param {ol.proj.Projection} projection Projection.
  * @protected
  * @return {function(number, number, number): ol.Tile} Returns a tile if it is
  *     loaded.
  */
 ol.renderer.Layer.prototype.createGetTileIfLoadedFunction =
-    function(isLoadedFunction, tileSource, projection) {
+    function(isLoadedFunction, tileSource, pixelRatio, projection) {
   return (
       /**
        * @param {number} z Z.
@@ -212,7 +213,7 @@ ol.renderer.Layer.prototype.createGetTileIfLoadedFunction =
        * @return {ol.Tile} Tile.
        */
       function(z, x, y) {
-        var tile = tileSource.getTile(z, x, y, projection);
+        var tile = tileSource.getTile(z, x, y, pixelRatio, projection);
         return isLoadedFunction(tile) ? tile : null;
       });
 };
@@ -244,6 +245,7 @@ ol.renderer.Layer.prototype.snapCenterToPixel =
  * @param {ol.FrameState} frameState Frame state.
  * @param {ol.source.Tile} tileSource Tile source.
  * @param {ol.tilegrid.TileGrid} tileGrid Tile grid.
+ * @param {number} pixelRatio Pixel ratio.
  * @param {ol.proj.Projection} projection Projection.
  * @param {ol.Extent} extent Extent.
  * @param {number} currentZ Current Z.
@@ -254,8 +256,8 @@ ol.renderer.Layer.prototype.snapCenterToPixel =
  * @template T
  */
 ol.renderer.Layer.prototype.manageTilePyramid = function(
-    frameState, tileSource, tileGrid, projection, extent, currentZ, preload,
-    opt_tileCallback, opt_this) {
+    frameState, tileSource, tileGrid, pixelRatio, projection, extent,
+    currentZ, preload, opt_tileCallback, opt_this) {
   var tileSourceKey = goog.getUid(tileSource).toString();
   if (!(tileSourceKey in frameState.wantedTiles)) {
     frameState.wantedTiles[tileSourceKey] = {};
@@ -270,7 +272,7 @@ ol.renderer.Layer.prototype.manageTilePyramid = function(
     for (x = tileRange.minX; x <= tileRange.maxX; ++x) {
       for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
         if (currentZ - z <= preload) {
-          tile = tileSource.getTile(z, x, y, projection);
+          tile = tileSource.getTile(z, x, y, pixelRatio, projection);
           if (tile.getState() == ol.TileState.IDLE) {
             wantedTiles[tile.tileCoord.toString()] = true;
             if (!tileQueue.isKeyQueued(tile.getKey())) {
diff --git a/src/ol/renderer/webgl/webgltilelayerrenderer.js b/src/ol/renderer/webgl/webgltilelayerrenderer.js
index 36bf1fa7ac..acf5f0c9f4 100644
--- a/src/ol/renderer/webgl/webgltilelayerrenderer.js
+++ b/src/ol/renderer/webgl/webgltilelayerrenderer.js
@@ -114,6 +114,7 @@ ol.renderer.webgl.TileLayer.prototype.prepareFrame =
   var context = mapRenderer.getContext();
   var gl = mapRenderer.getGL();
 
+  var pixelRatio = frameState.pixelRatio;
   var view2DState = frameState.view2DState;
   var projection = view2DState.projection;
 
@@ -196,7 +197,7 @@ ol.renderer.webgl.TileLayer.prototype.prepareFrame =
     var getTileIfLoaded = this.createGetTileIfLoadedFunction(function(tile) {
       return !goog.isNull(tile) && tile.getState() == ol.TileState.LOADED &&
           mapRenderer.isTileTextureLoaded(tile);
-    }, tileSource, projection);
+    }, tileSource, pixelRatio, projection);
     var findLoadedTiles = goog.bind(tileSource.findLoadedTiles, tileSource,
         tilesToDrawByZ, getTileIfLoaded);
 
@@ -207,7 +208,7 @@ ol.renderer.webgl.TileLayer.prototype.prepareFrame =
     for (x = tileRange.minX; x <= tileRange.maxX; ++x) {
       for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
 
-        tile = tileSource.getTile(z, x, y, projection);
+        tile = tileSource.getTile(z, x, y, pixelRatio, projection);
         tileState = tile.getState();
         if (tileState == ol.TileState.LOADED) {
           if (mapRenderer.isTileTextureLoaded(tile)) {
@@ -276,7 +277,7 @@ ol.renderer.webgl.TileLayer.prototype.prepareFrame =
   this.updateUsedTiles(frameState.usedTiles, tileSource, z, tileRange);
   var tileTextureQueue = mapRenderer.getTileTextureQueue();
   this.manageTilePyramid(
-      frameState, tileSource, tileGrid, projection, extent, z,
+      frameState, tileSource, tileGrid, pixelRatio, projection, extent, z,
       tileLayer.getPreload(),
       /**
        * @param {ol.Tile} tile Tile.
diff --git a/src/ol/source/tileimagesource.js b/src/ol/source/tileimagesource.js
index c022f117ec..fe255e2cee 100644
--- a/src/ol/source/tileimagesource.js
+++ b/src/ol/source/tileimagesource.js
@@ -119,14 +119,15 @@ ol.source.TileImage.prototype.expireCache = function(usedTiles) {
 /**
  * @inheritDoc
  */
-ol.source.TileImage.prototype.getTile = function(z, x, y, projection) {
+ol.source.TileImage.prototype.getTile =
+    function(z, x, y, pixelRatio, projection) {
   var tileCoordKey = this.getKeyZXY(z, x, y);
   if (this.tileCache.containsKey(tileCoordKey)) {
     return /** @type {!ol.Tile} */ (this.tileCache.get(tileCoordKey));
   } else {
     goog.asserts.assert(projection);
     var tileCoord = new ol.TileCoord(z, x, y);
-    var tileUrl = this.tileUrlFunction(tileCoord, 1, projection);
+    var tileUrl = this.tileUrlFunction(tileCoord, pixelRatio, projection);
     var tile = new this.tileClass(
         tileCoord,
         goog.isDef(tileUrl) ? ol.TileState.IDLE : ol.TileState.EMPTY,
diff --git a/src/ol/source/tilesource.js b/src/ol/source/tilesource.js
index 541659d2d2..49aca6b332 100644
--- a/src/ol/source/tilesource.js
+++ b/src/ol/source/tilesource.js
@@ -144,6 +144,7 @@ ol.source.Tile.prototype.getResolutions = function() {
  * @param {number} z Tile coordinate z.
  * @param {number} x Tile coordinate x.
  * @param {number} y Tile coordinate y.
+ * @param {number} pixelRatio Pixel ratio.
  * @param {ol.proj.Projection=} opt_projection Projection.
  * @return {!ol.Tile} Tile.
  */
diff --git a/test/spec/ol/source/tilewmssource.test.js b/test/spec/ol/source/tilewmssource.test.js
index f27cee5b97..ecdc587cc4 100644
--- a/test/spec/ol/source/tilewmssource.test.js
+++ b/test/spec/ol/source/tilewmssource.test.js
@@ -17,7 +17,7 @@ describe('ol.source.TileWMS', function() {
 
     it('returns a tile with the expected URL', function() {
       var source = new ol.source.TileWMS(options);
-      var tile = source.getTile(3, 2, 1, ol.proj.get('EPSG:3857'));
+      var tile = source.getTile(3, 2, 1, 1, ol.proj.get('EPSG:3857'));
       expect(tile).to.be.an(ol.ImageTile);
       var uri = new goog.Uri(tile.src_);
       expect(uri.getScheme()).to.be('http');
@@ -44,7 +44,7 @@ describe('ol.source.TileWMS', function() {
     it('returns a larger tile when a gutter is specified', function() {
       options.gutter = 16;
       var source = new ol.source.TileWMS(options);
-      var tile = source.getTile(3, 2, 1, ol.proj.get('EPSG:3857'));
+      var tile = source.getTile(3, 2, 1, 1, ol.proj.get('EPSG:3857'));
       expect(tile).to.be.an(ol.ImageTile);
       var uri = new goog.Uri(tile.src_);
       var queryData = uri.getQueryData();
@@ -58,7 +58,7 @@ describe('ol.source.TileWMS', function() {
     it('sets the SRS query value instead of CRS if version < 1.3', function() {
       options.params.VERSION = '1.2';
       var source = new ol.source.TileWMS(options);
-      var tile = source.getTile(3, 2, 1, ol.proj.get('EPSG:4326'));
+      var tile = source.getTile(3, 2, 1, 1, ol.proj.get('EPSG:4326'));
       var uri = new goog.Uri(tile.src_);
       var queryData = uri.getQueryData();
       expect(queryData.get('CRS')).to.be(undefined);
@@ -69,7 +69,7 @@ describe('ol.source.TileWMS', function() {
       options.params.FORMAT = 'image/jpeg';
       options.params.TRANSPARENT = false;
       var source = new ol.source.TileWMS(options);
-      var tile = source.getTile(3, 2, 1, ol.proj.get('EPSG:4326'));
+      var tile = source.getTile(3, 2, 1, 1, ol.proj.get('EPSG:4326'));
       var uri = new goog.Uri(tile.src_);
       var queryData = uri.getQueryData();
       expect(queryData.get('FORMAT')).to.be('image/jpeg');
@@ -79,7 +79,7 @@ describe('ol.source.TileWMS', function() {
     it('does not add a STYLES= option if one is specified', function() {
       options.params.STYLES = 'foo';
       var source = new ol.source.TileWMS(options);
-      var tile = source.getTile(3, 2, 1, ol.proj.get('EPSG:4326'));
+      var tile = source.getTile(3, 2, 1, 1, ol.proj.get('EPSG:4326'));
       var uri = new goog.Uri(tile.src_);
       var queryData = uri.getQueryData();
       expect(queryData.get('STYLES')).to.be('foo');
@@ -87,7 +87,7 @@ describe('ol.source.TileWMS', function() {
 
     it('changes the BBOX order for EN axis orientations', function() {
       var source = new ol.source.TileWMS(options);
-      var tile = source.getTile(3, 2, 1, ol.proj.get('EPSG:4326'));
+      var tile = source.getTile(3, 2, 1, 1, ol.proj.get('EPSG:4326'));
       var uri = new goog.Uri(tile.src_);
       var queryData = uri.getQueryData();
       expect(queryData.get('BBOX')).to.be('-45,-90,0,-45');
@@ -96,7 +96,7 @@ describe('ol.source.TileWMS', function() {
     it('uses EN BBOX order if version < 1.3', function() {
       options.params.VERSION = '1.1.0';
       var source = new ol.source.TileWMS(options);
-      var tile = source.getTile(3, 2, 1, ol.proj.get('CRS:84'));
+      var tile = source.getTile(3, 2, 1, 1, ol.proj.get('CRS:84'));
       var uri = new goog.Uri(tile.src_);
       var queryData = uri.getQueryData();
       expect(queryData.get('BBOX')).to.be('-90,-45,-45,0');