content: /*
   * Copyright (C) 2007 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package android.opengl;
  
  import javax.microedition.khronos.opengles.GL;
  import javax.microedition.khronos.opengles.GL10;
  import javax.microedition.khronos.opengles.GL10Ext;
  import javax.microedition.khronos.opengles.GL11;
  import javax.microedition.khronos.opengles.GL11Ext;
  import javax.microedition.khronos.opengles.GL11ExtensionPack;
  
  /**
   * The abstract base class for a GL wrapper. Provides
   * some convenient instance variables and default implementations.
   */
  abstract class GLWrapperBase
      implements GL, GL10, GL10Ext, GL11, GL11Ext, GL11ExtensionPack {
      public GLWrapperBase(GL gl) {
          mgl = (GL10) gl;
          if (gl instanceof GL10Ext) {
              mgl10Ext = (GL10Ext) gl;
          }
          if (gl instanceof GL11) {
              mgl11 = (GL11) gl;
          }
          if (gl instanceof GL11Ext) {
              mgl11Ext = (GL11Ext) gl;
          }
          if (gl instanceof GL11ExtensionPack) {
              mgl11ExtensionPack = (GL11ExtensionPack) gl;
          }
      }
  
      protected GL10 mgl;
      protected GL10Ext mgl10Ext;
      protected GL11 mgl11;
      protected GL11Ext mgl11Ext;
      protected GL11ExtensionPack mgl11ExtensionPack;
  }
  