fix potential memory leak

src/chart/bar3D/Bar3DView.js

@@ -318,6 +318,7 @@ export default echarts.ChartView.extend({
     },
 
     dispose: function () {
+        this._labelsBuilder.dispose();
         this.groupGL.removeAll();
     }
 });

src/chart/common/PointsBuilder.js

@@ -217,6 +217,10 @@ PointsBuilder.prototype = {
         this.rootNode.add(this._labelsBuilder.getMesh());
     },
 
+    dispose: function () {
+        this._labelsBuilder.dispose();
+    },
+
     _updateSymbolSprite: function (seriesModel, itemStyle, symbolInfo, dpr) {
         symbolInfo.maxSize = Math.min(symbolInfo.maxSize * 2, 200);
         var symbolSize = [];

src/chart/graphGL/GraphGLView.js

@@ -720,6 +720,8 @@ export default echarts.ChartView.extend({
 
         // Stop layout.
         this._layoutId = -1;
+
+        this._pointsBuilder.dispose();
     },
 
     remove: function () {

src/chart/map3D/Map3DView.js

@@ -106,5 +106,6 @@ export default echarts.ChartView.extend({
     dispose: function () {
         this.groupGL.removeAll();
         this._control.dispose();
+        this._geo3DBuilder.dispose();
     }
 });

src/chart/polygons3D/Polygons3DView.js

@@ -88,5 +88,8 @@ export default echarts.ChartView.extend({
 
     dispose: function () {
         this.groupGL.removeAll();
+        this._geo3DBuilderList.forEach(function (geo3DBuilder) {
+            geo3DBuilder.dispose();
+        })
     }
 });

src/chart/scatter3D/Scatter3DView.js

@@ -122,6 +122,9 @@ export default echarts.ChartView.extend({
     },
 
     dispose: function () {
+        this._pointsBuilderList.forEach(function (pointsBuilder) {
+            pointsBuilder.dispose();
+        });
         this.groupGL.removeAll();
     },
 

src/chart/scatterGL/ScatterGLView.js

@@ -110,6 +110,9 @@ export default echarts.ChartView.extend({
 
     dispose: function () {
         this.groupGL.removeAll();
+        this._pointsBuilderList.forEach(function (pointsBuilder) {
+            pointsBuilder.dispose();
+        });
     },
 
     remove: function () {

src/component/common/Geo3DBuilder.js

@@ -750,6 +750,10 @@ Geo3DBuilder.prototype = {
         this._setColorOfDataIndex(data, dataIndex, colorArr);
     },
 
+    dispose: function () {
+        this._labelsBuilder.dispose();
+    },
+
     _setColorOfDataIndex: function (data, dataIndex, colorArr) {
         if (dataIndex < this._startIndex && dataIndex > this._endIndex) {
             return;

src/component/common/LabelsBuilder.js

@@ -173,4 +173,8 @@ LabelsBuilder.prototype.updateLabels = function (highlightDataIndices) {
     this._labelsMesh.geometry.dirty();
 };
 
+LabelsBuilder.prototype.dispose = function () {
+    this._labelTextureSurface.dispose();
+}
+
 export default LabelsBuilder;

src/component/geo3D/Geo3DView.js

@@ -91,5 +91,6 @@ export default echarts.ComponentView.extend({
 
     dispose: function () {
         this._control.dispose();
+        this._geo3DBuilder.dispose();
     }
 });

src/component/grid3D/Grid3DView.js

@@ -581,5 +581,7 @@ export default echarts.ComponentView.extend({
     dispose: function () {
         this.groupGL.removeAll();
         this._control.dispose();
+        this._axisLabelSurface.dispose();
+        this._axisPointerLabelsSurface.dispose();
     }
 });

src/core/LayerGL.js

@@ -9,9 +9,6 @@
  *    (renderer) (renderer)
  *      /     \
  *  ViewGL   ViewGL
- *
- * @module echarts-gl/core/LayerGL
- * @author Yi Shen(http://github.com/pissang)
  */
 
 import * as echarts from 'echarts/lib/echarts';
@@ -103,6 +100,8 @@ var LayerGL = function (id, zr) {
     });
 
     this._backgroundColor = null;
+
+    this._disposed = false;
 };
 
 LayerGL.prototype.setUnpainted = function () {};
@@ -419,10 +418,18 @@ function collectResources(scene, textureResourceList, geometryResourceList) {
  * Dispose the layer
  */
 LayerGL.prototype.dispose = function () {
+    if (this._disposed) {
+        return;
+    }
     this._stopAccumulating();
-    this.renderer.disposeScene(this.scene);
-
+    if (this._textureList) {
+        markUnused(this._textureList);
+        markUnused(this._geometriesList);
+        checkAndDispose(this.renderer, this._textureList);
+        checkAndDispose(this.renderer, this._geometriesList);
+    }
     this.zr.off('globalout', this.onglobalout);
+    this._disposed = true;
 };
 
 // Event handlers

src/echarts-gl.js

@@ -169,7 +169,18 @@ EChartsGL.prototype.update = function (ecModel, api) {
 // TODO
 
 echarts.registerPostInit(function (chart) {
-    chart.getZr().painter.getRenderedCanvas = function (opts) {
+    var zr = chart.getZr();
+    var oldDispose = zr.painter.dispose;
+
+    zr.painter.dispose = function () {
+        this.eachOtherLayer(function (layer) {
+            if (layer instanceof LayerGL) {
+                layer.dispose();
+            }
+        });
+        oldDispose.call(this);
+    }
+    zr.painter.getRenderedCanvas = function (opts) {
         opts = opts || {};
         if (this._singleCanvas) {
             return this._layers[0].dom;

src/util/ZRTextureAtlasSurface.js

@@ -356,6 +356,10 @@ ZRTextureAtlasSurface.prototype = {
      */
     getCoords: function (id) {
         return this._coords[id];
+    },
+
+    dispose: function () {
+        this._zr.dispose();
     }
 };
 

test/js/commonUI.js

@@ -16,6 +16,7 @@
     btn.onclick = function () {
         (typeof myChart !== 'undefined') && myChart.dispose();
         (typeof chart !== 'undefined') && chart.dispose();
+        window.onresize = null;
     }
 
     document.body.appendChild(btn);