Clean up ol/renderer/webgl classes

src/ol/renderer/webgl/ImageLayer.js

@@ -2,7 +2,6 @@
  * @module ol/renderer/webgl/ImageLayer
  */
 import {ENABLE_RASTER_REPROJECTION} from '../../reproj/common.js';
-import {inherits} from '../../util.js';
 import {TRUE, UNDEFINED} from '../../functions.js';
 import LayerType from '../../LayerType.js';
 import ViewHint from '../../ViewHint.js';
@@ -22,17 +21,16 @@ import {
 import {CLAMP_TO_EDGE} from '../../webgl.js';
 import {createTexture} from '../../webgl/Context.js';
 
-/**
- * @constructor
- * @extends {module:ol/renderer/webgl/Layer}
- * @param {module:ol/renderer/webgl/Map} mapRenderer Map renderer.
- * @param {module:ol/layer/Image} imageLayer Tile layer.
- * @api
- */
-class WebGLImageLayerRenderer {
+class WebGLImageLayerRenderer extends WebGLLayerRenderer {
+
+  /**
+   * @param {module:ol/renderer/webgl/Map} mapRenderer Map renderer.
+   * @param {module:ol/layer/Image} imageLayer Tile layer.
+   * @api
+   */
   constructor(mapRenderer, imageLayer) {
 
-    WebGLLayerRenderer.call(this, mapRenderer, imageLayer);
+    super(mapRenderer, imageLayer);
 
     /**
      * The last rendered image.
@@ -310,8 +308,6 @@ class WebGLImageLayerRenderer {
   }
 }
 
-inherits(WebGLImageLayerRenderer, WebGLLayerRenderer);
-
 
 /**
  * Determine if this renderer handles the provided layer.

src/ol/renderer/webgl/Layer.js

@@ -1,7 +1,6 @@
 /**
  * @module ol/renderer/webgl/Layer
  */
-import {inherits} from '../../util.js';
 import RenderEvent from '../../render/Event.js';
 import RenderEventType from '../../render/EventType.js';
 import WebGLImmediateRenderer from '../../render/webgl/Immediate.js';
@@ -15,17 +14,15 @@ import {ARRAY_BUFFER, FRAMEBUFFER, FLOAT, TEXTURE_2D,
 import WebGLBuffer from '../../webgl/Buffer.js';
 import {createEmptyTexture} from '../../webgl/Context.js';
 
-/**
- * @constructor
- * @abstract
- * @extends {module:ol/renderer/Layer}
- * @param {module:ol/renderer/webgl/Map} mapRenderer Map renderer.
- * @param {module:ol/layer/Layer} layer Layer.
- */
-class WebGLLayerRenderer {
+class WebGLLayerRenderer extends LayerRenderer {
+
+  /**
+   * @param {module:ol/renderer/webgl/Map} mapRenderer Map renderer.
+   * @param {module:ol/layer/Layer} layer Layer.
+   */
   constructor(mapRenderer, layer) {
 
-    LayerRenderer.call(this, layer);
+    super(layer);
 
     /**
      * @protected
@@ -254,7 +251,5 @@ class WebGLLayerRenderer {
   forEachLayerAtPixel(pixel, frameState, callback, thisArg) {}
 }
 
-inherits(WebGLLayerRenderer, LayerRenderer);
-
 
 export default WebGLLayerRenderer;

src/ol/renderer/webgl/Map.js

@@ -2,7 +2,6 @@
  * @module ol/renderer/webgl/Map
  */
 
-import {inherits} from '../../util.js';
 import {stableSort} from '../../array.js';
 import {CLASS_UNSELECTABLE} from '../../css.js';
 import {createCanvasContext2D} from '../../dom.js';
@@ -38,15 +37,14 @@ import ContextEventType from '../../webgl/ContextEventType.js';
 const WEBGL_TEXTURE_CACHE_HIGH_WATER_MARK = 1024;
 
 
-/**
- * @constructor
- * @extends {module:ol/renderer/Map}
- * @param {module:ol/PluggableMap} map Map.
- * @api
- */
-class WebGLMapRenderer {
+class WebGLMapRenderer extends MapRenderer {
+
+  /**
+   * @param {module:ol/PluggableMap} map Map.
+   * @api
+   */
   constructor(map) {
-    MapRenderer.call(this, map);
+    super(map);
 
     const container = map.getViewport();
 
@@ -576,7 +574,5 @@ class WebGLMapRenderer {
   }
 }
 
-inherits(WebGLMapRenderer, MapRenderer);
-
 
 export default WebGLMapRenderer;

src/ol/renderer/webgl/TileLayer.js

@@ -4,7 +4,6 @@
 // FIXME large resolutions lead to too large framebuffers :-(
 // FIXME animated shaders! check in redraw
 
-import {inherits} from '../../util.js';
 import LayerType from '../../LayerType.js';
 import TileRange from '../../TileRange.js';
 import TileState from '../../TileState.js';
@@ -25,17 +24,16 @@ import {
 import {COLOR_BUFFER_BIT, BLEND, ARRAY_BUFFER, FLOAT, LINEAR, TRIANGLE_STRIP} from '../../webgl.js';
 import WebGLBuffer from '../../webgl/Buffer.js';
 
-/**
- * @constructor
- * @extends {module:ol/renderer/webgl/Layer}
- * @param {module:ol/renderer/webgl/Map} mapRenderer Map renderer.
- * @param {module:ol/layer/Tile} tileLayer Tile layer.
- * @api
- */
-class WebGLTileLayerRenderer {
+class WebGLTileLayerRenderer extends WebGLLayerRenderer {
+
+  /**
+   * @param {module:ol/renderer/webgl/Map} mapRenderer Map renderer.
+   * @param {module:ol/layer/Tile} tileLayer Tile layer.
+   * @api
+   */
   constructor(mapRenderer, tileLayer) {
 
-    WebGLLayerRenderer.call(this, mapRenderer, tileLayer);
+    super(mapRenderer, tileLayer);
 
     /**
      * @private
@@ -382,8 +380,6 @@ class WebGLTileLayerRenderer {
   }
 }
 
-inherits(WebGLTileLayerRenderer, WebGLLayerRenderer);
-
 
 /**
  * Determine if this renderer handles the provided layer.

src/ol/renderer/webgl/VectorLayer.js

@@ -1,7 +1,7 @@
 /**
  * @module ol/renderer/webgl/VectorLayer
  */
-import {getUid, inherits} from '../../util.js';
+import {getUid} from '../../util.js';
 import LayerType from '../../LayerType.js';
 import ViewHint from '../../ViewHint.js';
 import {buffer, containsExtent, createEmpty} from '../../extent.js';
@@ -10,17 +10,16 @@ import {defaultOrder as defaultRenderOrder, getTolerance as getRenderTolerance,
 import WebGLLayerRenderer from '../webgl/Layer.js';
 import {apply as applyTransform} from '../../transform.js';
 
-/**
- * @constructor
- * @extends {module:ol/renderer/webgl/Layer}
- * @param {module:ol/renderer/webgl/Map} mapRenderer Map renderer.
- * @param {module:ol/layer/Vector} vectorLayer Vector layer.
- * @api
- */
-class WebGLVectorLayerRenderer {
+class WebGLVectorLayerRenderer extends WebGLLayerRenderer {
+
+  /**
+   * @param {module:ol/renderer/webgl/Map} mapRenderer Map renderer.
+   * @param {module:ol/layer/Vector} vectorLayer Vector layer.
+   * @api
+   */
   constructor(mapRenderer, vectorLayer) {
 
-    WebGLLayerRenderer.call(this, mapRenderer, vectorLayer);
+    super(mapRenderer, vectorLayer);
 
     /**
      * @private
@@ -299,8 +298,6 @@ class WebGLVectorLayerRenderer {
   }
 }
 
-inherits(WebGLVectorLayerRenderer, WebGLLayerRenderer);
-
 
 /**
  * Determine if this renderer handles the provided layer.