1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.opengl; 18 19 import javax.microedition.khronos.opengles.GL; 20 import javax.microedition.khronos.opengles.GL10; 21 import javax.microedition.khronos.opengles.GL10Ext; 22 import javax.microedition.khronos.opengles.GL11; 23 import javax.microedition.khronos.opengles.GL11Ext; 24 import javax.microedition.khronos.opengles.GL11ExtensionPack; 25 26 /** 27 * The abstract base class for a GL wrapper. Provides 28 * some convenient instance variables and default implementations. 29 */ 30 abstract class GLWrapperBase 31 implements GL, GL10, GL10Ext, GL11, GL11Ext, GL11ExtensionPack { 32 public GLWrapperBase(GL gl) { 33 mgl = (GL10) gl; 34 if (gl instanceof GL10Ext) { 35 mgl10Ext = (GL10Ext) gl; 36 } 37 if (gl instanceof GL11) { 38 mgl11 = (GL11) gl; 39 } 40 if (gl instanceof GL11Ext) { 41 mgl11Ext = (GL11Ext) gl; 42 } 43 if (gl instanceof GL11ExtensionPack) { 44 mgl11ExtensionPack = (GL11ExtensionPack) gl; 45 } 46 } 47 48 protected GL10 mgl; 49 protected GL10Ext mgl10Ext; 50 protected GL11 mgl11; 51 protected GL11Ext mgl11Ext; 52 protected GL11ExtensionPack mgl11ExtensionPack; 53 } 54
