Merge pull request #1296 from twpayne/improve-type-checking

Improve type checking

src/ol/renderer/webgl/webglimagelayerrenderer.js

@@ -114,11 +114,16 @@ ol.renderer.webgl.ImageLayer.prototype.renderFrame =
         texture = this.createTexture_(image_);
         if (!goog.isNull(this.texture)) {
           frameState.postRenderFunctions.push(
-              goog.partial(function(gl, texture) {
-                if (!gl.isContextLost()) {
-                  gl.deleteTexture(texture);
-                }
-              }, gl, this.texture));
+              goog.partial(
+                  /**
+                   * @param {WebGLRenderingContext} gl GL.
+                   * @param {WebGLTexture} texture Texture.
+                   */
+                  function(gl, texture) {
+                    if (!gl.isContextLost()) {
+                      gl.deleteTexture(texture);
+                    }
+                  }, gl, this.texture));
         }
       }
     }

src/ol/renderer/webgl/webgllayerrenderer.js

@@ -124,12 +124,18 @@ ol.renderer.webgl.Layer.prototype.bindFramebuffer =
       this.framebufferDimension != framebufferDimension) {
 
     frameState.postRenderFunctions.push(
-        goog.partial(function(gl, framebuffer, texture) {
-          if (!gl.isContextLost()) {
-            gl.deleteFramebuffer(framebuffer);
-            gl.deleteTexture(texture);
-          }
-        }, gl, this.framebuffer, this.texture));
+        goog.partial(
+            /**
+             * @param {WebGLRenderingContext} gl GL.
+             * @param {WebGLFramebuffer} framebuffer Framebuffer.
+             * @param {WebGLTexture} texture Texture.
+             */
+            function(gl, framebuffer, texture) {
+              if (!gl.isContextLost()) {
+                gl.deleteFramebuffer(framebuffer);
+                gl.deleteTexture(texture);
+              }
+            }, gl, this.framebuffer, this.texture));
 
     var texture = gl.createTexture();
     gl.bindTexture(goog.webgl.TEXTURE_2D, texture);

src/ol/renderer/webgl/webgltilelayerrenderer.js

@@ -279,6 +279,9 @@ ol.renderer.webgl.TileLayer.prototype.renderFrame =
   this.manageTilePyramid(
       frameState, tileSource, tileGrid, projection, extent, z,
       tileLayer.getPreload(),
+      /**
+       * @param {ol.Tile} tile Tile.
+       */
       function(tile) {
         if (tile.getState() == ol.TileState.LOADED &&
             !mapRenderer.isTileTextureLoaded(tile) &&