Merge pull request #1452 from tonio/vector-api-dragbox-webgl

[vector-api] Re-enable dragzoom for every renderer

src/ol/renderer/webgl/webgllayerrenderer.js

@@ -7,6 +7,7 @@ goog.require('ol.color.Matrix');
 goog.require('ol.layer.Layer');
 goog.require('ol.render.Event');
 goog.require('ol.render.EventType');
+goog.require('ol.render.webgl.Immediate');
 goog.require('ol.renderer.Layer');
 goog.require('ol.renderer.webgl.map.shader.Color');
 goog.require('ol.renderer.webgl.map.shader.Default');
@@ -237,8 +238,10 @@ ol.renderer.webgl.Layer.prototype.dispatchComposeEvent_ =
     function(type, context, frameState) {
   var layer = this.getLayer();
   if (layer.hasListener(type)) {
+    var render = new ol.render.webgl.Immediate(context,
+        frameState.devicePixelRatio);
     var composeEvent = new ol.render.Event(
-        type, layer, null, frameState, null, context);
+        type, layer, render, frameState, null, context);
     layer.dispatchEvent(composeEvent);
   }
 };

src/ol/renderer/webgl/webglmaprenderer.js

@@ -20,6 +20,7 @@ goog.require('ol.layer.Image');
 goog.require('ol.layer.Tile');
 goog.require('ol.render.Event');
 goog.require('ol.render.EventType');
+goog.require('ol.render.webgl.Immediate');
 goog.require('ol.renderer.Map');
 goog.require('ol.renderer.webgl.ImageLayer');
 goog.require('ol.renderer.webgl.Layer');
@@ -282,10 +283,12 @@ ol.renderer.webgl.Map.prototype.createLayerRenderer = function(layer) {
 ol.renderer.webgl.Map.prototype.dispatchComposeEvent_ =
     function(type, frameState) {
   var map = this.getMap();
-  var context = this.getContext();
   if (map.hasListener(type)) {
+    var context = this.getContext();
+    var render = new ol.render.webgl.Immediate(context,
+        frameState.devicePixelRatio);
     var composeEvent = new ol.render.Event(
-        type, map, null, frameState, null, context);
+        type, map, render, frameState, null, context);
     map.dispatchEvent(composeEvent);
   }
 };