CanvasContext.cpp revision 1661715d4066a557ab0877271d62762579a38fa9
151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy/* 251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * Copyright (C) 2014 The Android Open Source Project 351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * 451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * you may not use this file except in compliance with the License. 651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * You may obtain a copy of the License at 751769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * 851769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * http://www.apache.org/licenses/LICENSE-2.0 951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * 1051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * Unless required by applicable law or agreed to in writing, software 1151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * distributed under the License is distributed on an "AS IS" BASIS, 1251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * See the License for the specific language governing permissions and 1451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy * limitations under the License. 1551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy */ 1651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include "CanvasContext.h" 185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include <algorithm> 20fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include <private/hwui/DrawGlInfo.h> 21e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#include <strings.h> 22fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy 2351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "EglManager.h" 2451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "RenderThread.h" 2551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "../AnimationContext.h" 2651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "../Caches.h" 2751769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "../DeferredLayerUpdater.h" 28a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#include "../RenderState.h" 29c038ea358aadca082198f3effc550d33135bf426Romain Guy#include "../LayerRenderer.h" 30a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#include "../OpenGLRenderer.h" 31726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy#include "../Stencil.h" 32726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy 33726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy#define TRIM_MEMORY_COMPLETE 80 3428d8ff6dbcc1b137131c70b72b4dbd211db7fbd9Romain Guy#define TRIM_MEMORY_UI_HIDDEN 20 3528d8ff6dbcc1b137131c70b72b4dbd211db7fbd9Romain Guy 3628d8ff6dbcc1b137131c70b72b4dbd211db7fbd9Romain Guynamespace android { 3728d8ff6dbcc1b137131c70b72b4dbd211db7fbd9Romain Guynamespace uirenderer { 3828d8ff6dbcc1b137131c70b72b4dbd211db7fbd9Romain Guynamespace renderthread { 3928d8ff6dbcc1b137131c70b72b4dbd211db7fbd9Romain Guy 40e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain GuyCanvasContext::CanvasContext(RenderThread& thread, bool translucent, 41e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy RenderNode* rootRenderNode, IContextFactory* contextFactory) 42e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy : mRenderThread(thread) 43e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy , mEglManager(thread.eglManager()) 44e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy , mEglSurface(EGL_NO_SURFACE) 45e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy , mDirtyRegionsEnabled(false) 46e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy , mOpaque(!translucent) 47e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy , mCanvas(NULL) 48e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy , mHaveNewSurface(false) 49e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy , mRootRenderNode(rootRenderNode) { 50e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mAnimationContext = contextFactory->createAnimationContext(mRenderThread.timeLord()); 5125dc3a7dbac2f90f5144035e9c8ed99c09cc3132Romain Guy} 52042f7d64b5ccd7b5b73e7e9814a84576f04fb7d4Kenny Root 53e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain GuyCanvasContext::~CanvasContext() { 54e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy destroyCanvasAndSurface(); 5551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mRenderThread.removeFrameCallback(this); 5651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy delete mAnimationContext; 5751769a68a5cb34e9564740c6a854fcb93018789dRomain Guy freePrefetechedLayers(); 5851769a68a5cb34e9564740c6a854fcb93018789dRomain Guy} 597fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 6001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid CanvasContext::destroyCanvasAndSurface() { 611e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mCanvas) { 62e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy delete mCanvas; 6351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mCanvas = 0; 6451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy } 6551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy setSurface(NULL); 6651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy} 6751769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 68b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guyvoid CanvasContext::setSurface(ANativeWindow* window) { 69b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mNativeWindow = window; 70b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy 71b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy if (mEglSurface != EGL_NO_SURFACE) { 72b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mEglManager.destroySurface(mEglSurface); 73fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mEglSurface = EGL_NO_SURFACE; 74fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } 75fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy 7609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (window) { 7765b345fa22b878e141b8fd8ece9c208df00fa40fRomain Guy mEglSurface = mEglManager.createSurface(window); 788550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy } 7901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 802728f961614a385df1f056fc24803a9f65c90fabRomain Guy if (mEglSurface != EGL_NO_SURFACE) { 81fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mDirtyRegionsEnabled = mEglManager.enableDirtyRegions(mEglSurface); 82fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mHaveNewSurface = true; 8309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy makeCurrent(); 84fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else { 85b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mRenderThread.removeFrameCallback(this); 86b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy } 87b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy} 88b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy 89e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guyvoid CanvasContext::swapBuffers() { 90e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mEglManager.swapBuffers(mEglSurface); 91e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mHaveNewSurface = false; 92e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy} 93e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy 94e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guyvoid CanvasContext::requireSurface() { 95e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy LOG_ALWAYS_FATAL_IF(mEglSurface == EGL_NO_SURFACE, 96e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy "requireSurface() called but no surface set!"); 975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy makeCurrent(); 98} 99 100bool CanvasContext::initialize(ANativeWindow* window) { 101 if (mCanvas) return false; 102 setSurface(window); 103 mCanvas = new OpenGLRenderer(mRenderThread.renderState()); 104 mCanvas->initProperties(); 105 return true; 106} 107 108void CanvasContext::updateSurface(ANativeWindow* window) { 109 setSurface(window); 110} 111 112void CanvasContext::pauseSurface(ANativeWindow* window) { 113 stopDrawing(); 114} 115 116void CanvasContext::setup(int width, int height, const Vector3& lightCenter, float lightRadius, 117 uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) { 118 if (!mCanvas) return; 119 mCanvas->setViewport(width, height); 120 mCanvas->initLight(lightCenter, lightRadius, ambientShadowAlpha, spotShadowAlpha); 121} 122 123void CanvasContext::setOpaque(bool opaque) { 124 mOpaque = opaque; 125} 126 127void CanvasContext::makeCurrent() { 128 // TODO: Figure out why this workaround is needed, see b/13913604 129 // In the meantime this matches the behavior of GLRenderer, so it is not a regression 130 mHaveNewSurface |= mEglManager.makeCurrent(mEglSurface); 131} 132 133void CanvasContext::processLayerUpdate(DeferredLayerUpdater* layerUpdater) { 134 bool success = layerUpdater->apply(); 135 LOG_ALWAYS_FATAL_IF(!success, "Failed to update layer!"); 136 if (layerUpdater->backingLayer()->deferredUpdateScheduled) { 137 mCanvas->pushLayerUpdate(layerUpdater->backingLayer()); 138 } 139} 140 141void CanvasContext::prepareTree(TreeInfo& info) { 142 mRenderThread.removeFrameCallback(this); 143 144 info.damageAccumulator = &mDamageAccumulator; 145 info.renderer = mCanvas; 146 if (mPrefetechedLayers.size() && info.mode == TreeInfo::MODE_FULL) { 147 info.canvasContext = this; 148 } 149 mAnimationContext->startFrame(); 150 mRootRenderNode->prepareTree(info); 151 mAnimationContext->runRemainingAnimations(info); 152 153 if (info.canvasContext) { 154 freePrefetechedLayers(); 155 } 156 157 int runningBehind = 0; 158 // TODO: This query is moderately expensive, investigate adding some sort 159 // of fast-path based off when we last called eglSwapBuffers() as well as 160 // last vsync time. Or something. 161 mNativeWindow->query(mNativeWindow.get(), 162 NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND, &runningBehind); 163 info.out.canDrawThisFrame = !runningBehind; 164 165 if (info.out.hasAnimations || !info.out.canDrawThisFrame) { 166 if (!info.out.requiresUiRedraw) { 167 // If animationsNeedsRedraw is set don't bother posting for an RT anim 168 // as we will just end up fighting the UI thread. 169 mRenderThread.postFrameCallback(this); 170 } 171 } 172} 173 174void CanvasContext::stopDrawing() { 175 mRenderThread.removeFrameCallback(this); 176} 177 178void CanvasContext::notifyFramePending() { 179 ATRACE_CALL(); 180 mRenderThread.pushBackFrameCallback(this); 181} 182 183void CanvasContext::draw() { 184 LOG_ALWAYS_FATAL_IF(!mCanvas || mEglSurface == EGL_NO_SURFACE, 185 "drawRenderNode called on a context with no canvas or surface!"); 186 187 profiler().markPlaybackStart(); 188 189 SkRect dirty; 190 mDamageAccumulator.finish(&dirty); 191 192 EGLint width, height; 193 mEglManager.beginFrame(mEglSurface, &width, &height); 194 if (width != mCanvas->getViewportWidth() || height != mCanvas->getViewportHeight()) { 195 mCanvas->setViewport(width, height); 196 dirty.setEmpty(); 197 } else if (!mDirtyRegionsEnabled || mHaveNewSurface) { 198 dirty.setEmpty(); 199 } else { 200 if (!dirty.isEmpty() && !dirty.intersect(0, 0, width, height)) { 201 ALOGW("Dirty " RECT_STRING " doesn't intersect with 0 0 %d %d ?", 202 SK_RECT_ARGS(dirty), width, height); 203 dirty.setEmpty(); 204 } 205 profiler().unionDirty(&dirty); 206 } 207 208 status_t status; 209 if (!dirty.isEmpty()) { 210 status = mCanvas->prepareDirty(dirty.fLeft, dirty.fTop, 211 dirty.fRight, dirty.fBottom, mOpaque); 212 } else { 213 status = mCanvas->prepare(mOpaque); 214 } 215 216 Rect outBounds; 217 status |= mCanvas->drawRenderNode(mRootRenderNode.get(), outBounds); 218 219 profiler().draw(mCanvas); 220 221 mCanvas->finish(); 222 223 profiler().markPlaybackEnd(); 224 225 if (status & DrawGlInfo::kStatusDrew) { 226 swapBuffers(); 227 } 228 229 profiler().finishFrame(); 230} 231 232// Called by choreographer to do an RT-driven animation 233void CanvasContext::doFrame() { 234 if (CC_UNLIKELY(!mCanvas || mEglSurface == EGL_NO_SURFACE)) { 235 return; 236 } 237 238 ATRACE_CALL(); 239 240 profiler().startFrame(); 241 242 TreeInfo info(TreeInfo::MODE_RT_ONLY, mRenderThread.renderState()); 243 prepareTree(info); 244 if (info.out.canDrawThisFrame) { 245 draw(); 246 } 247} 248 249void CanvasContext::invokeFunctor(RenderThread& thread, Functor* functor) { 250 ATRACE_CALL(); 251 DrawGlInfo::Mode mode = DrawGlInfo::kModeProcessNoContext; 252 if (thread.eglManager().hasEglContext()) { 253 thread.eglManager().requireGlContext(); 254 mode = DrawGlInfo::kModeProcess; 255 } 256 257 thread.renderState().invokeFunctor(functor, mode, NULL); 258} 259 260void CanvasContext::markLayerInUse(RenderNode* node) { 261 if (mPrefetechedLayers.erase(node)) { 262 node->decStrong(0); 263 } 264} 265 266static void destroyPrefetechedNode(RenderNode* node) { 267 ALOGW("Incorrectly called buildLayer on View: %s, destroying layer...", node->getName()); 268 node->destroyHardwareResources(); 269 node->decStrong(0); 270} 271 272void CanvasContext::freePrefetechedLayers() { 273 if (mPrefetechedLayers.size()) { 274 requireGlContext(); 275 std::for_each(mPrefetechedLayers.begin(), mPrefetechedLayers.end(), destroyPrefetechedNode); 276 mPrefetechedLayers.clear(); 277 } 278} 279 280void CanvasContext::buildLayer(RenderNode* node) { 281 ATRACE_CALL(); 282 if (!mEglManager.hasEglContext() || !mCanvas) { 283 return; 284 } 285 requireGlContext(); 286 // buildLayer() will leave the tree in an unknown state, so we must stop drawing 287 stopDrawing(); 288 289 TreeInfo info(TreeInfo::MODE_FULL, mRenderThread.renderState()); 290 info.damageAccumulator = &mDamageAccumulator; 291 info.renderer = mCanvas; 292 info.runAnimations = false; 293 node->prepareTree(info); 294 SkRect ignore; 295 mDamageAccumulator.finish(&ignore); 296 // Tickle the GENERIC property on node to mark it as dirty for damaging 297 // purposes when the frame is actually drawn 298 node->setPropertyFieldsDirty(RenderNode::GENERIC); 299 300 mCanvas->flushLayerUpdates(); 301 302 node->incStrong(0); 303 mPrefetechedLayers.insert(node); 304} 305 306bool CanvasContext::copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap) { 307 requireGlContext(); 308 layer->apply(); 309 return LayerRenderer::copyLayer(mRenderThread.renderState(), layer->backingLayer(), bitmap); 310} 311 312void CanvasContext::destroyHardwareResources() { 313 stopDrawing(); 314 if (mEglManager.hasEglContext()) { 315 requireGlContext(); 316 freePrefetechedLayers(); 317 mRootRenderNode->destroyHardwareResources(); 318 Caches::getInstance().flush(Caches::kFlushMode_Layers); 319 } 320} 321 322void CanvasContext::trimMemory(RenderThread& thread, int level) { 323 // No context means nothing to free 324 if (!thread.eglManager().hasEglContext()) return; 325 326 thread.eglManager().requireGlContext(); 327 if (level >= TRIM_MEMORY_COMPLETE) { 328 Caches::getInstance().flush(Caches::kFlushMode_Full); 329 thread.eglManager().destroy(); 330 } else if (level >= TRIM_MEMORY_UI_HIDDEN) { 331 Caches::getInstance().flush(Caches::kFlushMode_Moderate); 332 } 333} 334 335void CanvasContext::runWithGlContext(RenderTask* task) { 336 requireGlContext(); 337 task->run(); 338} 339 340Layer* CanvasContext::createRenderLayer(int width, int height) { 341 requireSurface(); 342 return LayerRenderer::createRenderLayer(mRenderThread.renderState(), width, height); 343} 344 345Layer* CanvasContext::createTextureLayer() { 346 requireSurface(); 347 return LayerRenderer::createTextureLayer(mRenderThread.renderState()); 348} 349 350void CanvasContext::requireGlContext() { 351 mEglManager.requireGlContext(); 352} 353 354void CanvasContext::setTextureAtlas(RenderThread& thread, 355 const sp<GraphicBuffer>& buffer, int64_t* map, size_t mapSize) { 356 thread.eglManager().setTextureAtlas(buffer, map, mapSize); 357} 358 359} /* namespace renderthread */ 360} /* namespace uirenderer */ 361} /* namespace android */ 362