|  | /* | 
|  | * 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; | 
|  | } |