ThreadedRenderer.java revision 43c410eaacf7d287c6c3f5621e6e0b96501004dc
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 android.annotation.IntDef; 20import android.content.Context; 21import android.content.res.Resources; 22import android.content.res.TypedArray; 23import android.graphics.Bitmap; 24import android.graphics.Rect; 25import android.graphics.drawable.Drawable; 26import android.os.IBinder; 27import android.os.RemoteException; 28import android.os.ServiceManager; 29import android.os.Trace; 30import android.util.Log; 31import android.util.LongSparseArray; 32import android.view.Surface.OutOfResourcesException; 33import android.view.View.AttachInfo; 34 35import com.android.internal.R; 36 37import java.io.FileDescriptor; 38import java.io.PrintWriter; 39import java.lang.annotation.Retention; 40import java.lang.annotation.RetentionPolicy; 41import java.util.ArrayList; 42import java.util.HashSet; 43 44/** 45 * Hardware renderer that proxies the rendering to a render thread. Most calls 46 * are currently synchronous. 47 * 48 * The UI thread can block on the RenderThread, but RenderThread must never 49 * block on the UI thread. 50 * 51 * ThreadedRenderer creates an instance of RenderProxy. RenderProxy in turn creates 52 * and manages a CanvasContext on the RenderThread. The CanvasContext is fully managed 53 * by the lifecycle of the RenderProxy. 54 * 55 * Note that although currently the EGL context & surfaces are created & managed 56 * by the render thread, the goal is to move that into a shared structure that can 57 * be managed by both threads. EGLSurface creation & deletion should ideally be 58 * done on the UI thread and not the RenderThread to avoid stalling the 59 * RenderThread with surface buffer allocation. 60 * 61 * @hide 62 */ 63public class ThreadedRenderer extends HardwareRenderer { 64 private static final String LOGTAG = "ThreadedRenderer"; 65 66 // Keep in sync with DrawFrameTask.h SYNC_* flags 67 // Nothing interesting to report 68 private static final int SYNC_OK = 0; 69 // Needs a ViewRoot invalidate 70 private static final int SYNC_INVALIDATE_REQUIRED = 1 << 0; 71 // Spoiler: the reward is GPU-accelerated drawing, better find that Surface! 72 private static final int SYNC_LOST_SURFACE_REWARD_IF_FOUND = 1 << 1; 73 74 private static final String[] VISUALIZERS = { 75 PROFILE_PROPERTY_VISUALIZE_BARS, 76 }; 77 78 private static final int FLAG_DUMP_FRAMESTATS = 1 << 0; 79 private static final int FLAG_DUMP_RESET = 1 << 1; 80 81 @IntDef(flag = true, value = { 82 FLAG_DUMP_FRAMESTATS, FLAG_DUMP_RESET }) 83 @Retention(RetentionPolicy.SOURCE) 84 public @interface DumpFlags {} 85 86 // Size of the rendered content. 87 private int mWidth, mHeight; 88 89 // Actual size of the drawing surface. 90 private int mSurfaceWidth, mSurfaceHeight; 91 92 // Insets between the drawing surface and rendered content. These are 93 // applied as translation when updating the root render node. 94 private int mInsetTop, mInsetLeft; 95 96 // Whether the surface has insets. Used to protect opacity. 97 private boolean mHasInsets; 98 99 // Light and shadow properties specified by the theme. 100 private final float mLightY; 101 private final float mLightZ; 102 private final float mLightRadius; 103 private final int mAmbientShadowAlpha; 104 private final int mSpotShadowAlpha; 105 106 private long mNativeProxy; 107 private boolean mInitialized = false; 108 private RenderNode mRootNode; 109 private Choreographer mChoreographer; 110 private boolean mRootNodeNeedsUpdate; 111 112 ThreadedRenderer(Context context, boolean translucent) { 113 final TypedArray a = context.obtainStyledAttributes(null, R.styleable.Lighting, 0, 0); 114 mLightY = a.getDimension(R.styleable.Lighting_lightY, 0); 115 mLightZ = a.getDimension(R.styleable.Lighting_lightZ, 0); 116 mLightRadius = a.getDimension(R.styleable.Lighting_lightRadius, 0); 117 mAmbientShadowAlpha = 118 (int) (255 * a.getFloat(R.styleable.Lighting_ambientShadowAlpha, 0) + 0.5f); 119 mSpotShadowAlpha = (int) (255 * a.getFloat(R.styleable.Lighting_spotShadowAlpha, 0) + 0.5f); 120 a.recycle(); 121 122 long rootNodePtr = nCreateRootRenderNode(); 123 mRootNode = RenderNode.adopt(rootNodePtr); 124 mRootNode.setClipToBounds(false); 125 mNativeProxy = nCreateProxy(translucent, rootNodePtr); 126 127 AtlasInitializer.sInstance.init(context, mNativeProxy); 128 129 loadSystemProperties(); 130 } 131 132 @Override 133 void destroy() { 134 mInitialized = false; 135 updateEnabledState(null); 136 nDestroy(mNativeProxy); 137 } 138 139 private void updateEnabledState(Surface surface) { 140 if (surface == null || !surface.isValid()) { 141 setEnabled(false); 142 } else { 143 setEnabled(mInitialized); 144 } 145 } 146 147 @Override 148 boolean initialize(Surface surface) throws OutOfResourcesException { 149 mInitialized = true; 150 updateEnabledState(surface); 151 boolean status = nInitialize(mNativeProxy, surface); 152 surface.allocateBuffers(); 153 return status; 154 } 155 156 @Override 157 void updateSurface(Surface surface) throws OutOfResourcesException { 158 updateEnabledState(surface); 159 nUpdateSurface(mNativeProxy, surface); 160 } 161 162 @Override 163 boolean pauseSurface(Surface surface) { 164 return nPauseSurface(mNativeProxy, surface); 165 } 166 167 @Override 168 void destroyHardwareResources(View view) { 169 destroyResources(view); 170 nDestroyHardwareResources(mNativeProxy); 171 } 172 173 private static void destroyResources(View view) { 174 view.destroyHardwareResources(); 175 176 if (view instanceof ViewGroup) { 177 ViewGroup group = (ViewGroup) view; 178 179 int count = group.getChildCount(); 180 for (int i = 0; i < count; i++) { 181 destroyResources(group.getChildAt(i)); 182 } 183 } 184 } 185 186 @Override 187 void invalidate(Surface surface) { 188 updateSurface(surface); 189 } 190 191 @Override 192 void detachSurfaceTexture(long hardwareLayer) { 193 nDetachSurfaceTexture(mNativeProxy, hardwareLayer); 194 } 195 196 @Override 197 void setup(int width, int height, Rect surfaceInsets) { 198 final float lightX = width / 2.0f; 199 mWidth = width; 200 mHeight = height; 201 if (surfaceInsets != null && (surfaceInsets.left != 0 || surfaceInsets.right != 0 202 || surfaceInsets.top != 0 || surfaceInsets.bottom != 0)) { 203 mHasInsets = true; 204 mInsetLeft = surfaceInsets.left; 205 mInsetTop = surfaceInsets.top; 206 mSurfaceWidth = width + mInsetLeft + surfaceInsets.right; 207 mSurfaceHeight = height + mInsetTop + surfaceInsets.bottom; 208 209 // If the surface has insets, it can't be opaque. 210 setOpaque(false); 211 } else { 212 mHasInsets = false; 213 mInsetLeft = 0; 214 mInsetTop = 0; 215 mSurfaceWidth = width; 216 mSurfaceHeight = height; 217 } 218 mRootNode.setLeftTopRightBottom(-mInsetLeft, -mInsetTop, mSurfaceWidth, mSurfaceHeight); 219 nSetup(mNativeProxy, mSurfaceWidth, mSurfaceHeight, 220 lightX, mLightY, mLightZ, mLightRadius, 221 mAmbientShadowAlpha, mSpotShadowAlpha); 222 } 223 224 @Override 225 void setOpaque(boolean opaque) { 226 nSetOpaque(mNativeProxy, opaque && !mHasInsets); 227 } 228 229 @Override 230 int getWidth() { 231 return mWidth; 232 } 233 234 @Override 235 int getHeight() { 236 return mHeight; 237 } 238 239 @Override 240 void dumpGfxInfo(PrintWriter pw, FileDescriptor fd, String[] args) { 241 pw.flush(); 242 int flags = 0; 243 for (int i = 0; i < args.length; i++) { 244 switch (args[i]) { 245 case "framestats": 246 flags |= FLAG_DUMP_FRAMESTATS; 247 break; 248 case "reset": 249 flags |= FLAG_DUMP_RESET; 250 break; 251 } 252 } 253 nDumpProfileInfo(mNativeProxy, fd, flags); 254 } 255 256 @Override 257 boolean loadSystemProperties() { 258 boolean changed = nLoadSystemProperties(mNativeProxy); 259 if (changed) { 260 invalidateRoot(); 261 } 262 return changed; 263 } 264 265 private void updateViewTreeDisplayList(View view) { 266 view.mPrivateFlags |= View.PFLAG_DRAWN; 267 view.mRecreateDisplayList = (view.mPrivateFlags & View.PFLAG_INVALIDATED) 268 == View.PFLAG_INVALIDATED; 269 view.mPrivateFlags &= ~View.PFLAG_INVALIDATED; 270 view.getDisplayList(); 271 view.mRecreateDisplayList = false; 272 } 273 274 private void updateRootDisplayList(View view, HardwareDrawCallbacks callbacks) { 275 Trace.traceBegin(Trace.TRACE_TAG_VIEW, "Record View#draw()"); 276 updateViewTreeDisplayList(view); 277 278 if (mRootNodeNeedsUpdate || !mRootNode.isValid()) { 279 DisplayListCanvas canvas = mRootNode.start(mSurfaceWidth, mSurfaceHeight); 280 try { 281 final int saveCount = canvas.save(); 282 canvas.translate(mInsetLeft, mInsetTop); 283 callbacks.onHardwarePreDraw(canvas); 284 285 canvas.insertReorderBarrier(); 286 canvas.drawRenderNode(view.getDisplayList()); 287 canvas.insertInorderBarrier(); 288 289 callbacks.onHardwarePostDraw(canvas); 290 canvas.restoreToCount(saveCount); 291 mRootNodeNeedsUpdate = false; 292 } finally { 293 mRootNode.end(canvas); 294 } 295 } 296 Trace.traceEnd(Trace.TRACE_TAG_VIEW); 297 } 298 299 @Override 300 void invalidateRoot() { 301 mRootNodeNeedsUpdate = true; 302 } 303 304 @Override 305 void draw(View view, AttachInfo attachInfo, HardwareDrawCallbacks callbacks) { 306 attachInfo.mIgnoreDirtyState = true; 307 308 final Choreographer choreographer = attachInfo.mViewRootImpl.mChoreographer; 309 choreographer.mFrameInfo.markDrawStart(); 310 311 updateRootDisplayList(view, callbacks); 312 313 attachInfo.mIgnoreDirtyState = false; 314 315 // register animating rendernodes which started animating prior to renderer 316 // creation, which is typical for animators started prior to first draw 317 if (attachInfo.mPendingAnimatingRenderNodes != null) { 318 final int count = attachInfo.mPendingAnimatingRenderNodes.size(); 319 for (int i = 0; i < count; i++) { 320 registerAnimatingRenderNode( 321 attachInfo.mPendingAnimatingRenderNodes.get(i)); 322 } 323 attachInfo.mPendingAnimatingRenderNodes.clear(); 324 // We don't need this anymore as subsequent calls to 325 // ViewRootImpl#attachRenderNodeAnimator will go directly to us. 326 attachInfo.mPendingAnimatingRenderNodes = null; 327 } 328 329 final long[] frameInfo = choreographer.mFrameInfo.mFrameInfo; 330 int syncResult = nSyncAndDrawFrame(mNativeProxy, frameInfo, frameInfo.length); 331 if ((syncResult & SYNC_LOST_SURFACE_REWARD_IF_FOUND) != 0) { 332 setEnabled(false); 333 attachInfo.mViewRootImpl.mSurface.release(); 334 // Invalidate since we failed to draw. This should fetch a Surface 335 // if it is still needed or do nothing if we are no longer drawing 336 attachInfo.mViewRootImpl.invalidate(); 337 } 338 if ((syncResult & SYNC_INVALIDATE_REQUIRED) != 0) { 339 attachInfo.mViewRootImpl.invalidate(); 340 } 341 } 342 343 static void invokeFunctor(long functor, boolean waitForCompletion) { 344 nInvokeFunctor(functor, waitForCompletion); 345 } 346 347 @Override 348 HardwareLayer createTextureLayer() { 349 long layer = nCreateTextureLayer(mNativeProxy); 350 return HardwareLayer.adoptTextureLayer(this, layer); 351 } 352 353 @Override 354 void buildLayer(RenderNode node) { 355 nBuildLayer(mNativeProxy, node.getNativeDisplayList()); 356 } 357 358 @Override 359 boolean copyLayerInto(final HardwareLayer layer, final Bitmap bitmap) { 360 return nCopyLayerInto(mNativeProxy, 361 layer.getDeferredLayerUpdater(), bitmap.getSkBitmap()); 362 } 363 364 @Override 365 void pushLayerUpdate(HardwareLayer layer) { 366 nPushLayerUpdate(mNativeProxy, layer.getDeferredLayerUpdater()); 367 } 368 369 @Override 370 void onLayerDestroyed(HardwareLayer layer) { 371 nCancelLayerUpdate(mNativeProxy, layer.getDeferredLayerUpdater()); 372 } 373 374 @Override 375 void setName(String name) { 376 nSetName(mNativeProxy, name); 377 } 378 379 @Override 380 void fence() { 381 nFence(mNativeProxy); 382 } 383 384 @Override 385 void stopDrawing() { 386 nStopDrawing(mNativeProxy); 387 } 388 389 @Override 390 public void notifyFramePending() { 391 nNotifyFramePending(mNativeProxy); 392 } 393 394 @Override 395 void registerAnimatingRenderNode(RenderNode animator) { 396 nRegisterAnimatingRenderNode(mRootNode.mNativeRenderNode, animator.mNativeRenderNode); 397 } 398 399 @Override 400 protected void finalize() throws Throwable { 401 try { 402 nDeleteProxy(mNativeProxy); 403 mNativeProxy = 0; 404 } finally { 405 super.finalize(); 406 } 407 } 408 409 static void trimMemory(int level) { 410 nTrimMemory(level); 411 } 412 413 private static class AtlasInitializer { 414 static AtlasInitializer sInstance = new AtlasInitializer(); 415 416 private boolean mInitialized = false; 417 418 private AtlasInitializer() {} 419 420 synchronized void init(Context context, long renderProxy) { 421 if (mInitialized) return; 422 IBinder binder = ServiceManager.getService("assetatlas"); 423 if (binder == null) return; 424 425 IAssetAtlas atlas = IAssetAtlas.Stub.asInterface(binder); 426 try { 427 if (atlas.isCompatible(android.os.Process.myPpid())) { 428 GraphicBuffer buffer = atlas.getBuffer(); 429 if (buffer != null) { 430 long[] map = atlas.getMap(); 431 if (map != null) { 432 // TODO Remove after fixing b/15425820 433 validateMap(context, map); 434 nSetAtlas(renderProxy, buffer, map); 435 mInitialized = true; 436 } 437 // If IAssetAtlas is not the same class as the IBinder 438 // we are using a remote service and we can safely 439 // destroy the graphic buffer 440 if (atlas.getClass() != binder.getClass()) { 441 buffer.destroy(); 442 } 443 } 444 } 445 } catch (RemoteException e) { 446 Log.w(LOG_TAG, "Could not acquire atlas", e); 447 } 448 } 449 450 private static void validateMap(Context context, long[] map) { 451 Log.d("Atlas", "Validating map..."); 452 HashSet<Long> preloadedPointers = new HashSet<Long>(); 453 454 // We only care about drawables that hold bitmaps 455 final Resources resources = context.getResources(); 456 final LongSparseArray<Drawable.ConstantState> drawables = resources.getPreloadedDrawables(); 457 458 final int count = drawables.size(); 459 ArrayList<Bitmap> tmpList = new ArrayList<Bitmap>(); 460 for (int i = 0; i < count; i++) { 461 drawables.valueAt(i).addAtlasableBitmaps(tmpList); 462 for (int j = 0; j < tmpList.size(); j++) { 463 preloadedPointers.add(tmpList.get(j).getSkBitmap()); 464 } 465 tmpList.clear(); 466 } 467 468 for (int i = 0; i < map.length; i += 4) { 469 if (!preloadedPointers.contains(map[i])) { 470 Log.w("Atlas", String.format("Pointer 0x%X, not in getPreloadedDrawables?", map[i])); 471 map[i] = 0; 472 } 473 } 474 } 475 } 476 477 static native void setupShadersDiskCache(String cacheFile); 478 479 private static native void nSetAtlas(long nativeProxy, GraphicBuffer buffer, long[] map); 480 481 private static native long nCreateRootRenderNode(); 482 private static native long nCreateProxy(boolean translucent, long rootRenderNode); 483 private static native void nDeleteProxy(long nativeProxy); 484 485 private static native boolean nLoadSystemProperties(long nativeProxy); 486 private static native void nSetName(long nativeProxy, String name); 487 488 private static native boolean nInitialize(long nativeProxy, Surface window); 489 private static native void nUpdateSurface(long nativeProxy, Surface window); 490 private static native boolean nPauseSurface(long nativeProxy, Surface window); 491 private static native void nSetup(long nativeProxy, int width, int height, 492 float lightX, float lightY, float lightZ, float lightRadius, 493 int ambientShadowAlpha, int spotShadowAlpha); 494 private static native void nSetOpaque(long nativeProxy, boolean opaque); 495 private static native int nSyncAndDrawFrame(long nativeProxy, long[] frameInfo, int size); 496 private static native void nDestroy(long nativeProxy); 497 private static native void nRegisterAnimatingRenderNode(long rootRenderNode, long animatingNode); 498 499 private static native void nInvokeFunctor(long functor, boolean waitForCompletion); 500 501 private static native long nCreateTextureLayer(long nativeProxy); 502 private static native void nBuildLayer(long nativeProxy, long node); 503 private static native boolean nCopyLayerInto(long nativeProxy, long layer, long bitmap); 504 private static native void nPushLayerUpdate(long nativeProxy, long layer); 505 private static native void nCancelLayerUpdate(long nativeProxy, long layer); 506 private static native void nDetachSurfaceTexture(long nativeProxy, long layer); 507 508 private static native void nDestroyHardwareResources(long nativeProxy); 509 private static native void nTrimMemory(int level); 510 511 private static native void nFence(long nativeProxy); 512 private static native void nStopDrawing(long nativeProxy); 513 private static native void nNotifyFramePending(long nativeProxy); 514 515 private static native void nDumpProfileInfo(long nativeProxy, FileDescriptor fd, 516 @DumpFlags int dumpFlags); 517} 518