ThreadedRenderer.java revision 749906b468912dab7bf69a86e852deac3e80b0cc
1/* 2 * Copyright (C) 2013 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.view; 18 19import com.android.internal.R; 20 21import android.content.Context; 22import android.content.res.Resources; 23import android.content.res.TypedArray; 24import android.graphics.Bitmap; 25import android.graphics.Rect; 26import android.graphics.drawable.Drawable; 27import android.os.IBinder; 28import android.os.RemoteException; 29import android.os.ServiceManager; 30import android.os.SystemProperties; 31import android.os.Trace; 32import android.util.Log; 33import android.util.LongSparseArray; 34import android.util.TimeUtils; 35import android.view.Surface.OutOfResourcesException; 36import android.view.View.AttachInfo; 37 38import java.io.FileDescriptor; 39import java.io.PrintWriter; 40import java.util.HashSet; 41 42/** 43 * Hardware renderer that proxies the rendering to a render thread. Most calls 44 * are currently synchronous. 45 * 46 * The UI thread can block on the RenderThread, but RenderThread must never 47 * block on the UI thread. 48 * 49 * ThreadedRenderer creates an instance of RenderProxy. RenderProxy in turn creates 50 * and manages a CanvasContext on the RenderThread. The CanvasContext is fully managed 51 * by the lifecycle of the RenderProxy. 52 * 53 * Note that although currently the EGL context & surfaces are created & managed 54 * by the render thread, the goal is to move that into a shared structure that can 55 * be managed by both threads. EGLSurface creation & deletion should ideally be 56 * done on the UI thread and not the RenderThread to avoid stalling the 57 * RenderThread with surface buffer allocation. 58 * 59 * @hide 60 */ 61public class ThreadedRenderer extends HardwareRenderer { 62 private static final String LOGTAG = "ThreadedRenderer"; 63 64 // Keep in sync with DrawFrameTask.h SYNC_* flags 65 // Nothing interesting to report 66 private static final int SYNC_OK = 0; 67 // Needs a ViewRoot invalidate 68 private static final int SYNC_INVALIDATE_REQUIRED = 1 << 0; 69 70 private static final String[] VISUALIZERS = { 71 PROFILE_PROPERTY_VISUALIZE_BARS, 72 }; 73 74 // Size of the rendered content. 75 private int mWidth, mHeight; 76 77 // Actual size of the drawing surface. 78 private int mSurfaceWidth, mSurfaceHeight; 79 80 // Insets between the drawing surface and rendered content. These are 81 // applied as translation when updating the root render node. 82 private int mInsetTop, mInsetLeft; 83 84 // Whether the surface has insets. Used to protect opacity. 85 private boolean mHasInsets; 86 87 // Light and shadow properties specified by the theme. 88 private final float mLightY; 89 private final float mLightZ; 90 private final float mLightRadius; 91 private final int mAmbientShadowAlpha; 92 private final int mSpotShadowAlpha; 93 94 private long mNativeProxy; 95 private boolean mInitialized = false; 96 private RenderNode mRootNode; 97 private Choreographer mChoreographer; 98 private boolean mProfilingEnabled; 99 private boolean mRootNodeNeedsUpdate; 100 101 ThreadedRenderer(Context context, boolean translucent) { 102 final TypedArray a = context.obtainStyledAttributes(null, R.styleable.Lighting, 0, 0); 103 mLightY = a.getDimension(R.styleable.Lighting_lightY, 0); 104 mLightZ = a.getDimension(R.styleable.Lighting_lightZ, 0); 105 mLightRadius = a.getDimension(R.styleable.Lighting_lightRadius, 0); 106 mAmbientShadowAlpha = 107 (int) (255 * a.getFloat(R.styleable.Lighting_ambientShadowAlpha, 0) + 0.5f); 108 mSpotShadowAlpha = (int) (255 * a.getFloat(R.styleable.Lighting_spotShadowAlpha, 0) + 0.5f); 109 a.recycle(); 110 111 long rootNodePtr = nCreateRootRenderNode(); 112 mRootNode = RenderNode.adopt(rootNodePtr); 113 mRootNode.setClipToBounds(false); 114 mNativeProxy = nCreateProxy(translucent, rootNodePtr); 115 116 AtlasInitializer.sInstance.init(context, mNativeProxy); 117 118 // Setup timing 119 mChoreographer = Choreographer.getInstance(); 120 nSetFrameInterval(mNativeProxy, mChoreographer.getFrameIntervalNanos()); 121 122 loadSystemProperties(); 123 } 124 125 @Override 126 void destroy() { 127 mInitialized = false; 128 updateEnabledState(null); 129 nDestroy(mNativeProxy); 130 } 131 132 private void updateEnabledState(Surface surface) { 133 if (surface == null || !surface.isValid()) { 134 setEnabled(false); 135 } else { 136 setEnabled(mInitialized); 137 } 138 } 139 140 @Override 141 boolean initialize(Surface surface) throws OutOfResourcesException { 142 mInitialized = true; 143 updateEnabledState(surface); 144 boolean status = nInitialize(mNativeProxy, surface); 145 surface.allocateBuffers(); 146 return status; 147 } 148 149 @Override 150 void updateSurface(Surface surface) throws OutOfResourcesException { 151 updateEnabledState(surface); 152 nUpdateSurface(mNativeProxy, surface); 153 } 154 155 @Override 156 void pauseSurface(Surface surface) { 157 nPauseSurface(mNativeProxy, surface); 158 } 159 160 @Override 161 void destroyHardwareResources(View view) { 162 destroyResources(view); 163 nDestroyHardwareResources(mNativeProxy); 164 } 165 166 private static void destroyResources(View view) { 167 view.destroyHardwareResources(); 168 169 if (view instanceof ViewGroup) { 170 ViewGroup group = (ViewGroup) view; 171 172 int count = group.getChildCount(); 173 for (int i = 0; i < count; i++) { 174 destroyResources(group.getChildAt(i)); 175 } 176 } 177 } 178 179 @Override 180 void invalidate(Surface surface) { 181 updateSurface(surface); 182 } 183 184 @Override 185 void detachSurfaceTexture(long hardwareLayer) { 186 nDetachSurfaceTexture(mNativeProxy, hardwareLayer); 187 } 188 189 @Override 190 void setup(int width, int height, Rect surfaceInsets) { 191 final float lightX = width / 2.0f; 192 mWidth = width; 193 mHeight = height; 194 if (surfaceInsets != null && !surfaceInsets.isEmpty()) { 195 mHasInsets = true; 196 mInsetLeft = surfaceInsets.left; 197 mInsetTop = surfaceInsets.top; 198 mSurfaceWidth = width + mInsetLeft + surfaceInsets.right; 199 mSurfaceHeight = height + mInsetTop + surfaceInsets.bottom; 200 201 // If the surface has insets, it can't be opaque. 202 setOpaque(false); 203 } else { 204 mHasInsets = false; 205 mInsetLeft = 0; 206 mInsetTop = 0; 207 mSurfaceWidth = width; 208 mSurfaceHeight = height; 209 } 210 mRootNode.setLeftTopRightBottom(-mInsetLeft, -mInsetTop, mSurfaceWidth, mSurfaceHeight); 211 nSetup(mNativeProxy, mSurfaceWidth, mSurfaceHeight, 212 lightX, mLightY, mLightZ, mLightRadius, 213 mAmbientShadowAlpha, mSpotShadowAlpha); 214 } 215 216 @Override 217 void setOpaque(boolean opaque) { 218 nSetOpaque(mNativeProxy, opaque && !mHasInsets); 219 } 220 221 @Override 222 int getWidth() { 223 return mWidth; 224 } 225 226 @Override 227 int getHeight() { 228 return mHeight; 229 } 230 231 @Override 232 void dumpGfxInfo(PrintWriter pw, FileDescriptor fd) { 233 pw.flush(); 234 nDumpProfileInfo(mNativeProxy, fd); 235 } 236 237 private static int search(String[] values, String value) { 238 for (int i = 0; i < values.length; i++) { 239 if (values[i].equals(value)) return i; 240 } 241 return -1; 242 } 243 244 private static boolean checkIfProfilingRequested() { 245 String profiling = SystemProperties.get(HardwareRenderer.PROFILE_PROPERTY); 246 int graphType = search(VISUALIZERS, profiling); 247 return (graphType >= 0) || Boolean.parseBoolean(profiling); 248 } 249 250 @Override 251 boolean loadSystemProperties() { 252 boolean changed = nLoadSystemProperties(mNativeProxy); 253 boolean wantProfiling = checkIfProfilingRequested(); 254 if (wantProfiling != mProfilingEnabled) { 255 mProfilingEnabled = wantProfiling; 256 changed = true; 257 } 258 return changed; 259 } 260 261 private void updateViewTreeDisplayList(View view) { 262 view.mPrivateFlags |= View.PFLAG_DRAWN; 263 view.mRecreateDisplayList = (view.mPrivateFlags & View.PFLAG_INVALIDATED) 264 == View.PFLAG_INVALIDATED; 265 view.mPrivateFlags &= ~View.PFLAG_INVALIDATED; 266 view.getDisplayList(); 267 view.mRecreateDisplayList = false; 268 } 269 270 private void updateRootDisplayList(View view, HardwareDrawCallbacks callbacks) { 271 Trace.traceBegin(Trace.TRACE_TAG_VIEW, "getDisplayList"); 272 updateViewTreeDisplayList(view); 273 274 if (mRootNodeNeedsUpdate || !mRootNode.isValid()) { 275 HardwareCanvas canvas = mRootNode.start(mSurfaceWidth, mSurfaceHeight); 276 try { 277 final int saveCount = canvas.save(); 278 canvas.translate(mInsetLeft, mInsetTop); 279 callbacks.onHardwarePreDraw(canvas); 280 281 canvas.insertReorderBarrier(); 282 canvas.drawRenderNode(view.getDisplayList()); 283 canvas.insertInorderBarrier(); 284 285 callbacks.onHardwarePostDraw(canvas); 286 canvas.restoreToCount(saveCount); 287 mRootNodeNeedsUpdate = false; 288 } finally { 289 mRootNode.end(canvas); 290 } 291 } 292 Trace.traceEnd(Trace.TRACE_TAG_VIEW); 293 } 294 295 @Override 296 void invalidateRoot() { 297 mRootNodeNeedsUpdate = true; 298 } 299 300 @Override 301 void draw(View view, AttachInfo attachInfo, HardwareDrawCallbacks callbacks) { 302 attachInfo.mIgnoreDirtyState = true; 303 long frameTimeNanos = mChoreographer.getFrameTimeNanos(); 304 attachInfo.mDrawingTime = frameTimeNanos / TimeUtils.NANOS_PER_MS; 305 306 long recordDuration = 0; 307 if (mProfilingEnabled) { 308 recordDuration = System.nanoTime(); 309 } 310 311 updateRootDisplayList(view, callbacks); 312 313 if (mProfilingEnabled) { 314 recordDuration = System.nanoTime() - recordDuration; 315 } 316 317 attachInfo.mIgnoreDirtyState = false; 318 319 // register animating rendernodes which started animating prior to renderer 320 // creation, which is typical for animators started prior to first draw 321 if (attachInfo.mPendingAnimatingRenderNodes != null) { 322 final int count = attachInfo.mPendingAnimatingRenderNodes.size(); 323 for (int i = 0; i < count; i++) { 324 registerAnimatingRenderNode( 325 attachInfo.mPendingAnimatingRenderNodes.get(i)); 326 } 327 attachInfo.mPendingAnimatingRenderNodes.clear(); 328 // We don't need this anymore as subsequent calls to 329 // ViewRootImpl#attachRenderNodeAnimator will go directly to us. 330 attachInfo.mPendingAnimatingRenderNodes = null; 331 } 332 333 int syncResult = nSyncAndDrawFrame(mNativeProxy, frameTimeNanos, 334 recordDuration, view.getResources().getDisplayMetrics().density); 335 if ((syncResult & SYNC_INVALIDATE_REQUIRED) != 0) { 336 attachInfo.mViewRootImpl.invalidate(); 337 } 338 } 339 340 static void invokeFunctor(long functor, boolean waitForCompletion) { 341 nInvokeFunctor(functor, waitForCompletion); 342 } 343 344 @Override 345 HardwareLayer createTextureLayer() { 346 long layer = nCreateTextureLayer(mNativeProxy); 347 return HardwareLayer.adoptTextureLayer(this, layer); 348 } 349 350 @Override 351 void buildLayer(RenderNode node) { 352 nBuildLayer(mNativeProxy, node.getNativeDisplayList()); 353 } 354 355 @Override 356 boolean copyLayerInto(final HardwareLayer layer, final Bitmap bitmap) { 357 return nCopyLayerInto(mNativeProxy, 358 layer.getDeferredLayerUpdater(), bitmap.mNativeBitmap); 359 } 360 361 @Override 362 void pushLayerUpdate(HardwareLayer layer) { 363 nPushLayerUpdate(mNativeProxy, layer.getDeferredLayerUpdater()); 364 } 365 366 @Override 367 void onLayerDestroyed(HardwareLayer layer) { 368 nCancelLayerUpdate(mNativeProxy, layer.getDeferredLayerUpdater()); 369 } 370 371 @Override 372 void setName(String name) { 373 } 374 375 @Override 376 void fence() { 377 nFence(mNativeProxy); 378 } 379 380 @Override 381 void stopDrawing() { 382 nStopDrawing(mNativeProxy); 383 } 384 385 @Override 386 public void notifyFramePending() { 387 nNotifyFramePending(mNativeProxy); 388 } 389 390 @Override 391 void registerAnimatingRenderNode(RenderNode animator) { 392 nRegisterAnimatingRenderNode(mRootNode.mNativeRenderNode, animator.mNativeRenderNode); 393 } 394 395 @Override 396 protected void finalize() throws Throwable { 397 try { 398 nDeleteProxy(mNativeProxy); 399 mNativeProxy = 0; 400 } finally { 401 super.finalize(); 402 } 403 } 404 405 static void trimMemory(int level) { 406 nTrimMemory(level); 407 } 408 409 private static class AtlasInitializer { 410 static AtlasInitializer sInstance = new AtlasInitializer(); 411 412 private boolean mInitialized = false; 413 414 private AtlasInitializer() {} 415 416 synchronized void init(Context context, long renderProxy) { 417 if (mInitialized) return; 418 IBinder binder = ServiceManager.getService("assetatlas"); 419 if (binder == null) return; 420 421 IAssetAtlas atlas = IAssetAtlas.Stub.asInterface(binder); 422 try { 423 if (atlas.isCompatible(android.os.Process.myPpid())) { 424 GraphicBuffer buffer = atlas.getBuffer(); 425 if (buffer != null) { 426 long[] map = atlas.getMap(); 427 if (map != null) { 428 // TODO Remove after fixing b/15425820 429 validateMap(context, map); 430 nSetAtlas(renderProxy, buffer, map); 431 mInitialized = true; 432 } 433 // If IAssetAtlas is not the same class as the IBinder 434 // we are using a remote service and we can safely 435 // destroy the graphic buffer 436 if (atlas.getClass() != binder.getClass()) { 437 buffer.destroy(); 438 } 439 } 440 } 441 } catch (RemoteException e) { 442 Log.w(LOG_TAG, "Could not acquire atlas", e); 443 } 444 } 445 446 private static void validateMap(Context context, long[] map) { 447 Log.d("Atlas", "Validating map..."); 448 HashSet<Long> preloadedPointers = new HashSet<Long>(); 449 450 // We only care about drawables that hold bitmaps 451 final Resources resources = context.getResources(); 452 final LongSparseArray<Drawable.ConstantState> drawables = resources.getPreloadedDrawables(); 453 454 final int count = drawables.size(); 455 for (int i = 0; i < count; i++) { 456 final Bitmap bitmap = drawables.valueAt(i).getBitmap(); 457 if (bitmap != null && bitmap.getConfig() == Bitmap.Config.ARGB_8888) { 458 preloadedPointers.add(bitmap.mNativeBitmap); 459 } 460 } 461 462 for (int i = 0; i < map.length; i += 4) { 463 if (!preloadedPointers.contains(map[i])) { 464 Log.w("Atlas", String.format("Pointer 0x%X, not in getPreloadedDrawables?", map[i])); 465 map[i] = 0; 466 } 467 } 468 } 469 } 470 471 static native void setupShadersDiskCache(String cacheFile); 472 473 private static native void nSetAtlas(long nativeProxy, GraphicBuffer buffer, long[] map); 474 475 private static native long nCreateRootRenderNode(); 476 private static native long nCreateProxy(boolean translucent, long rootRenderNode); 477 private static native void nDeleteProxy(long nativeProxy); 478 479 private static native void nSetFrameInterval(long nativeProxy, long frameIntervalNanos); 480 private static native boolean nLoadSystemProperties(long nativeProxy); 481 482 private static native boolean nInitialize(long nativeProxy, Surface window); 483 private static native void nUpdateSurface(long nativeProxy, Surface window); 484 private static native void nPauseSurface(long nativeProxy, Surface window); 485 private static native void nSetup(long nativeProxy, int width, int height, 486 float lightX, float lightY, float lightZ, float lightRadius, 487 int ambientShadowAlpha, int spotShadowAlpha); 488 private static native void nSetOpaque(long nativeProxy, boolean opaque); 489 private static native int nSyncAndDrawFrame(long nativeProxy, 490 long frameTimeNanos, long recordDuration, float density); 491 private static native void nDestroy(long nativeProxy); 492 private static native void nRegisterAnimatingRenderNode(long rootRenderNode, long animatingNode); 493 494 private static native void nInvokeFunctor(long functor, boolean waitForCompletion); 495 496 private static native long nCreateTextureLayer(long nativeProxy); 497 private static native void nBuildLayer(long nativeProxy, long node); 498 private static native boolean nCopyLayerInto(long nativeProxy, long layer, long bitmap); 499 private static native void nPushLayerUpdate(long nativeProxy, long layer); 500 private static native void nCancelLayerUpdate(long nativeProxy, long layer); 501 private static native void nDetachSurfaceTexture(long nativeProxy, long layer); 502 503 private static native void nDestroyHardwareResources(long nativeProxy); 504 private static native void nTrimMemory(int level); 505 506 private static native void nFence(long nativeProxy); 507 private static native void nStopDrawing(long nativeProxy); 508 private static native void nNotifyFramePending(long nativeProxy); 509 510 private static native void nDumpProfileInfo(long nativeProxy, FileDescriptor fd); 511} 512