1 /*
2  * Copyright (C) 2010 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 com.android.gallery3d.glrenderer;
18 
19 import android.util.Log;
20 
21 import javax.microedition.khronos.opengles.GL11;
22 
23 public class RawTexture extends BasicTexture {
24     private static final String TAG = "RawTexture";
25 
26     private final boolean mOpaque;
27     private boolean mIsFlipped;
28 
RawTexture(int width, int height, boolean opaque)29     public RawTexture(int width, int height, boolean opaque) {
30         mOpaque = opaque;
31         setSize(width, height);
32     }
33 
34     @Override
isOpaque()35     public boolean isOpaque() {
36         return mOpaque;
37     }
38 
39     @Override
isFlippedVertically()40     public boolean isFlippedVertically() {
41         return mIsFlipped;
42     }
43 
setIsFlippedVertically(boolean isFlipped)44     public void setIsFlippedVertically(boolean isFlipped) {
45         mIsFlipped = isFlipped;
46     }
47 
prepare(GLCanvas canvas)48     protected void prepare(GLCanvas canvas) {
49         GLId glId = canvas.getGLId();
50         mId = glId.generateTexture();
51         canvas.initializeTextureSize(this, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE);
52         canvas.setTextureParameters(this);
53         mState = STATE_LOADED;
54         setAssociatedCanvas(canvas);
55     }
56 
57     @Override
onBind(GLCanvas canvas)58     protected boolean onBind(GLCanvas canvas) {
59         if (isLoaded()) return true;
60         Log.w(TAG, "lost the content due to context change");
61         return false;
62     }
63 
64     @Override
yield()65      public void yield() {
66          // we cannot free the texture because we have no backup.
67      }
68 
69     @Override
getTarget()70     protected int getTarget() {
71         return GL11.GL_TEXTURE_2D;
72     }
73 }
74