Delete ImageReplay textures

src/ol/render/webgl/webglreplay.js

@@ -125,6 +125,30 @@ ol.render.webgl.ImageReplay = function(tolerance) {
 };
 
 
+/**
+ * @param {olx.FrameState} frameState Frame state.
+ * @param {ol.webgl.Context} context Context.
+ */
+ol.render.webgl.ImageReplay.prototype.deleteTextures =
+    function(frameState, context) {
+  frameState.postRenderFunctions.push(
+      goog.partial(
+          /**
+           * @param {WebGLRenderingContext} gl GL.
+           * @param {Array.<WebGLTexture>} textures Textures.
+           */
+          function(gl, textures) {
+            if (!gl.isContextLost()) {
+              var i, ii;
+              for (i = 0, ii = textures.length; i < ii; ++i) {
+                gl.deleteTexture(textures[i]);
+              }
+            }
+          }, context.getGL(), this.textures_));
+
+};
+
+
 /**
  * @inheritDoc
  */
@@ -472,6 +496,19 @@ ol.render.webgl.ReplayGroup = function(tolerance) {
 };
 
 
+/**
+ * @param {olx.FrameState} frameState Frame state.
+ * @param {ol.webgl.Context} context Context.
+ */
+ol.render.webgl.ReplayGroup.prototype.deleteTextures =
+    function(frameState, context) {
+  var replayKey;
+  for (replayKey in this.replays_) {
+    this.replays_[replayKey].deleteTextures(frameState, context);
+  }
+};
+
+
 /**
  * @param {ol.webgl.Context} context Context.
  */

src/ol/renderer/webgl/webglvectorlayerrenderer.js

@@ -153,9 +153,9 @@ ol.renderer.webgl.VectorLayer.prototype.prepareFrame =
   extent[2] = frameStateExtent[2] + xBuffer;
   extent[3] = frameStateExtent[3] + yBuffer;
 
-  // FIXME dispose of old replayGroup in post render
-  goog.dispose(this.replayGroup_);
-  this.replayGroup_ = null;
+  if (!goog.isNull(this.replayGroup_)) {
+    this.replayGroup_.deleteTextures(frameState, context);
+  }
 
   this.dirty_ = false;