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 17 18 package android.filterfw.core; 19 20 import android.filterfw.core.NativeAllocatorTag; 21 import android.graphics.SurfaceTexture; 22 import android.os.Looper; 23 import android.util.Log; 24 import android.view.Surface; 25 import android.media.MediaRecorder; 26 27 /** 28 * @hide 29 */ 30 public class GLEnvironment { 31 32 private int glEnvId; 33 34 private boolean mManageContext = true; 35 36 public GLEnvironment() { 37 nativeAllocate(); 38 } 39 40 private GLEnvironment(NativeAllocatorTag tag) { 41 } 42 43 public synchronized void tearDown() { 44 if (glEnvId != -1) { 45 nativeDeallocate(); 46 glEnvId = -1; 47 } 48 } 49 50 @Override 51 protected void finalize() throws Throwable { 52 tearDown(); 53 } 54 55 public void initWithNewContext() { 56 mManageContext = true; 57 if (!nativeInitWithNewContext()) { 58 throw new RuntimeException("Could not initialize GLEnvironment with new context!"); 59 } 60 } 61 62 public void initWithCurrentContext() { 63 mManageContext = false; 64 if (!nativeInitWithCurrentContext()) { 65 throw new RuntimeException("Could not initialize GLEnvironment with current context!"); 66 } 67 } 68 69 public boolean isActive() { 70 return nativeIsActive(); 71 } 72 73 public boolean isContextActive() { 74 return nativeIsContextActive(); 75 } 76 77 public static boolean isAnyContextActive() { 78 return nativeIsAnyContextActive(); 79 } 80 81 public void activate() { 82 if (Looper.myLooper() != null && Looper.myLooper().equals(Looper.getMainLooper())) { 83 Log.e("FilterFramework", "Activating GL context in UI thread!"); 84 } 85 if (mManageContext && !nativeActivate()) { 86 throw new RuntimeException("Could not activate GLEnvironment!"); 87 } 88 } 89 90 public void deactivate() { 91 if (mManageContext && !nativeDeactivate()) { 92 throw new RuntimeException("Could not deactivate GLEnvironment!"); 93 } 94 } 95 96 public void swapBuffers() { 97 if (!nativeSwapBuffers()) { 98 throw new RuntimeException("Error swapping EGL buffers!"); 99 } 100 } 101 102 public int registerSurface(Surface surface) { 103 int result = nativeAddSurface(surface); 104 if (result < 0) { 105 throw new RuntimeException("Error registering surface " + surface + "!"); 106 } 107 return result; 108 } 109 110 public int registerSurfaceTexture(SurfaceTexture surfaceTexture, int width, int height) { 111 Surface surface = new Surface(surfaceTexture); 112 int result = nativeAddSurfaceWidthHeight(surface, width, height); 113 surface.release(); 114 if (result < 0) { 115 throw new RuntimeException("Error registering surfaceTexture " + surfaceTexture + "!"); 116 } 117 return result; 118 } 119 120 public int registerSurfaceFromMediaRecorder(MediaRecorder mediaRecorder) { 121 int result = nativeAddSurfaceFromMediaRecorder(mediaRecorder); 122 if (result < 0) { 123 throw new RuntimeException("Error registering surface from " 124 + "MediaRecorder" + mediaRecorder + "!"); 125 } 126 return result; 127 } 128 129 public void activateSurfaceWithId(int surfaceId) { 130 if (!nativeActivateSurfaceId(surfaceId)) { 131 throw new RuntimeException("Could not activate surface " + surfaceId + "!"); 132 } 133 } 134 135 public void unregisterSurfaceId(int surfaceId) { 136 if (!nativeRemoveSurfaceId(surfaceId)) { 137 throw new RuntimeException("Could not unregister surface " + surfaceId + "!"); 138 } 139 } 140 141 public void setSurfaceTimestamp(long timestamp) { 142 if (!nativeSetSurfaceTimestamp(timestamp)) { 143 throw new RuntimeException("Could not set timestamp for current surface!"); 144 } 145 } 146 147 static { 148 System.loadLibrary("filterfw"); 149 } 150 151 private native boolean nativeInitWithNewContext(); 152 153 private native boolean nativeInitWithCurrentContext(); 154 155 private native boolean nativeIsActive(); 156 157 private native boolean nativeIsContextActive(); 158 159 private static native boolean nativeIsAnyContextActive(); 160 161 private native boolean nativeActivate(); 162 163 private native boolean nativeDeactivate(); 164 165 private native boolean nativeSwapBuffers(); 166 167 private native boolean nativeAllocate(); 168 169 private native boolean nativeDeallocate(); 170 171 private native int nativeAddSurface(Surface surface); 172 173 private native int nativeAddSurfaceWidthHeight(Surface surface, int width, int height); 174 175 private native int nativeAddSurfaceFromMediaRecorder(MediaRecorder mediaRecorder); 176 177 private native boolean nativeDisconnectSurfaceMediaSource(MediaRecorder mediaRecorder); 178 179 private native boolean nativeActivateSurfaceId(int surfaceId); 180 181 private native boolean nativeRemoveSurfaceId(int surfaceId); 182 183 private native boolean nativeSetSurfaceTimestamp(long timestamp); 184 } 185
