RSTextureView.java revision a0c2eb27b408660b02fa248943166d6c7e447908 
1/*
2 * Copyright (C) 2011 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 android.renderscript;
18
19import java.io.Writer;
20import java.util.ArrayList;
21import java.util.concurrent.Semaphore;
22
23import android.content.Context;
24import android.graphics.SurfaceTexture;
25import android.os.Handler;
26import android.os.Message;
27import android.util.AttributeSet;
28import android.util.Log;
29import android.view.TextureView;
30
31/** @deprecated renderscript is deprecated in J
32 * The Texture View for a graphics renderscript (RenderScriptGL)
33 * to draw on.
34 *
35 */
36public class RSTextureView extends TextureView implements TextureView.SurfaceTextureListener {
37    private RenderScriptGL mRS;
38    private SurfaceTexture mSurfaceTexture;
39
40    /** @deprecated renderscript is deprecated in J
41     * Standard View constructor. In order to render something, you
42     * must call {@link android.opengl.GLSurfaceView#setRenderer} to
43     * register a renderer.
44     */
45    public RSTextureView(Context context) {
46        super(context);
47        init();
48        //Log.v(RenderScript.LOG_TAG, "RSSurfaceView");
49    }
50
51    /** @deprecated renderscript is deprecated in J
52     * Standard View constructor. In order to render something, you
53     * must call {@link android.opengl.GLSurfaceView#setRenderer} to
54     * register a renderer.
55     */
56    public RSTextureView(Context context, AttributeSet attrs) {
57        super(context, attrs);
58        init();
59        //Log.v(RenderScript.LOG_TAG, "RSSurfaceView");
60    }
61
62    private void init() {
63        setSurfaceTextureListener(this);
64        //android.util.Log.e("rs", "getSurfaceTextureListerner " + getSurfaceTextureListener());
65    }
66
67    @Override
68    public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
69        //Log.e(RenderScript.LOG_TAG, "onSurfaceTextureAvailable");
70        mSurfaceTexture = surface;
71
72        if (mRS != null) {
73            mRS.setSurfaceTexture(mSurfaceTexture, width, height);
74        }
75    }
76
77    @Override
78    public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
79        //Log.e(RenderScript.LOG_TAG, "onSurfaceTextureSizeChanged");
80        mSurfaceTexture = surface;
81
82        if (mRS != null) {
83            mRS.setSurfaceTexture(mSurfaceTexture, width, height);
84        }
85    }
86
87    @Override
88    public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
89        //Log.e(RenderScript.LOG_TAG, "onSurfaceTextureDestroyed");
90        mSurfaceTexture = surface;
91
92        if (mRS != null) {
93            mRS.setSurfaceTexture(null, 0, 0);
94        }
95
96        return true;
97    }
98
99    @Override
100    public void onSurfaceTextureUpdated(SurfaceTexture surface) {
101        //Log.e(RenderScript.LOG_TAG, "onSurfaceTextureUpdated");
102        mSurfaceTexture = surface;
103    }
104
105   /** @deprecated renderscript is deprecated in J
106     * Inform the view that the activity is paused. The owner of this view must
107     * call this method when the activity is paused. Calling this method will
108     * pause the rendering thread.
109     * Must not be called before a renderer has been set.
110     */
111    public void pause() {
112        if(mRS != null) {
113            mRS.pause();
114        }
115    }
116
117    /** @deprecated renderscript is deprecated in J
118     * Inform the view that the activity is resumed. The owner of this view must
119     * call this method when the activity is resumed. Calling this method will
120     * recreate the OpenGL display and resume the rendering
121     * thread.
122     * Must not be called before a renderer has been set.
123     */
124    public void resume() {
125        if(mRS != null) {
126            mRS.resume();
127        }
128    }
129
130    /** @deprecated renderscript is deprecated in J
131     * Create a new RenderScriptGL object and attach it to the
132     * TextureView if present.
133     *
134     *
135     * @param sc The RS surface config to create.
136     *
137     * @return RenderScriptGL The new object created.
138     */
139    public RenderScriptGL createRenderScriptGL(RenderScriptGL.SurfaceConfig sc) {
140        RenderScriptGL rs = new RenderScriptGL(this.getContext(), sc);
141        setRenderScriptGL(rs);
142        if (mSurfaceTexture != null) {
143            mRS.setSurfaceTexture(mSurfaceTexture, getWidth(), getHeight());
144        }
145        return rs;
146    }
147
148    /** @deprecated renderscript is deprecated in J
149     * Destroy the RenderScriptGL object associated with this
150     * TextureView.
151     */
152    public void destroyRenderScriptGL() {
153        mRS.destroy();
154        mRS = null;
155    }
156
157    /** @deprecated renderscript is deprecated in J
158     * Set a new RenderScriptGL object.  This also will attach the
159     * new object to the TextureView if present.
160     *
161     * @param rs The new RS object.
162     */
163    public void setRenderScriptGL(RenderScriptGL rs) {
164        mRS = rs;
165        if (mSurfaceTexture != null) {
166            mRS.setSurfaceTexture(mSurfaceTexture, getWidth(), getHeight());
167        }
168    }
169
170    /** @deprecated renderscript is deprecated in J
171     * Returns the previously set RenderScriptGL object.
172     *
173     * @return RenderScriptGL
174     */
175    public RenderScriptGL getRenderScriptGL() {
176        return mRS;
177    }
178}
179
180