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 {
GLWrapperBase(GL gl)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