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
17package com.android.gallery3d.glrenderer;
18
19import android.util.Log;
20
21import javax.microedition.khronos.opengles.GL11;
22
23public class RawTexture extends BasicTexture {
24    private static final String TAG = "RawTexture";
25
26    private final boolean mOpaque;
27    private boolean mIsFlipped;
28
29    public RawTexture(int width, int height, boolean opaque) {
30        mOpaque = opaque;
31        setSize(width, height);
32    }
33
34    @Override
35    public boolean isOpaque() {
36        return mOpaque;
37    }
38
39    @Override
40    public boolean isFlippedVertically() {
41        return mIsFlipped;
42    }
43
44    public void setIsFlippedVertically(boolean isFlipped) {
45        mIsFlipped = isFlipped;
46    }
47
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
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
65     public void yield() {
66         // we cannot free the texture because we have no backup.
67     }
68
69    @Override
70    protected int getTarget() {
71        return GL11.GL_TEXTURE_2D;
72    }
73}
74