Layer.cpp revision b267579ba8dfe3f47d2a481c5a3c2254e3d565a1
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define ATRACE_TAG ATRACE_TAG_GRAPHICS 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdlib.h> 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdint.h> 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <math.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 248a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov#include <cutils/compiler.h> 258a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov#include <cutils/native_handle.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/properties.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Errors.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/StopWatch.h> 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Trace.h> 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/GraphicBuffer.h> 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/PixelFormat.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <gui/Surface.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "clz.h" 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "DisplayHardware/DisplayHardware.h" 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "DisplayHardware/HWComposer.h" 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "GLExtensions.h" 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "Layer.h" 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "SurfaceFlinger.h" 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "SurfaceTextureLayer.h" 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define DEBUG_RESIZE 0 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectLayer::Layer(SurfaceFlinger* flinger, 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DisplayID display, const sp<Client>& client) 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : LayerBaseClient(flinger, display, client), 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTextureName(-1U), 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mQueuedFrames(0), 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentTransform(0), 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE), 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentOpacity(true), 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRefreshPending(false), 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFrameLatencyNeeded(false), 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFrameLatencyOffset(0), 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFormat(PIXEL_FORMAT_NONE), 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGLExtensions(GLExtensions::getInstance()), 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpaqueLayer(true), 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedsDithering(false), 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSecure(false), 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mProtectedByApp(false) 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentCrop.makeInvalid(); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glGenTextures(1, &mTextureName); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid Layer::onLayerDisplayed() { 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFrameLatencyNeeded) { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const DisplayHardware& hw(graphicPlane(0).displayHardware()); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFrameStats[mFrameLatencyOffset].timestamp = mSurfaceTexture->getTimestamp(); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFrameStats[mFrameLatencyOffset].set = systemTime(); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFrameStats[mFrameLatencyOffset].vsync = hw.getRefreshTimestamp(); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFrameLatencyOffset = (mFrameLatencyOffset + 1) % 128; 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFrameLatencyNeeded = false; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 85617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverettevoid Layer::onFirstRef() 86617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette{ 87617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette LayerBaseClient::onFirstRef(); 88617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette 89617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette struct FrameQueuedListener : public SurfaceTexture::FrameAvailableListener { 90617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette FrameQueuedListener(Layer* layer) : mLayer(layer) { } 91617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette private: 92617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette wp<Layer> mLayer; 93617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette virtual void onFrameAvailable() { 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Layer> that(mLayer.promote()); 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (that != 0) { 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project that->onFrameQueued(); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Creates a custom BufferQueue for SurfaceTexture to use 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<BufferQueue> bq = new SurfaceTextureLayer(); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurfaceTexture = new SurfaceTexture(mTextureName, true, 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GL_TEXTURE_EXTERNAL_OES, false,bq); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurfaceTexture->setTransformHint(getTransformHint()); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurfaceTexture->setConsumerUsageBits(getEffectiveUsage(0)); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurfaceTexture->setFrameAvailableListener(new FrameQueuedListener(this)); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurfaceTexture->setSynchronousMode(true); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef USE_TRIPLE_BUFFERING 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#warning "using triple buffering" 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurfaceTexture->setBufferCountServer(3); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurfaceTexture->setBufferCountServer(2); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectLayer::~Layer() 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFlinger->postMessageAsync( 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new SurfaceFlinger::MessageDestroyGLTexture(mTextureName) ); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid Layer::onFrameQueued() { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_atomic_inc(&mQueuedFrames); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFlinger->signalLayerUpdate(); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// called with SurfaceFlinger::mStateLock as soon as the layer is entered 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// in the purgatory list 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid Layer::onRemoved() 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurfaceTexture->abandon(); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid Layer::setName(const String8& name) { 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayerBase::setName(name); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurfaceTexture->setName(name); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid Layer::validateVisibility(const Transform& globalTransform) { 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayerBase::validateVisibility(globalTransform); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This optimization allows the SurfaceTexture to bake in 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the rotation so hardware overlays can be used 149aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne mSurfaceTexture->setTransformHint(getTransformHint()); 150aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne} 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectsp<ISurface> Layer::createSurface() 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project class BSurface : public BnSurface, public LayerCleaner { 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project wp<const Layer> mOwner; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual sp<ISurfaceTexture> getSurfaceTexture() const { 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<ISurfaceTexture> res; 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<const Layer> that( mOwner.promote() ); 159aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne if (that != NULL) { 160aac722a9c0d199c79ae8ce2dd3cce113f01c30b7Philip Milne res = that->mSurfaceTexture->getBufferQueue(); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public: 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project BSurface(const sp<SurfaceFlinger>& flinger, 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<Layer>& layer) 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : LayerCleaner(flinger, layer), mOwner(layer) { } 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<ISurface> sur(new BSurface(mFlinger, this)); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sur; 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectwp<IBinder> Layer::getSurfaceTextureBinder() const 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSurfaceTexture->getBufferQueue()->asBinder(); 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t Layer::setBuffers( uint32_t w, uint32_t h, 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PixelFormat format, uint32_t flags) 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this surfaces pixel format 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PixelFormatInfo info; 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = getPixelFormatInfo(format, &info); 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err) { 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ALOGE("unsupported pixelformat %d", format); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return err; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the display's pixel format 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const DisplayHardware& hw(graphicPlane(0).displayHardware()); 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t const maxSurfaceDims = min( 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hw.getMaxTextureSize(), hw.getMaxViewportDims()); 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // never allow a surface larger than what our underlying GL implementation 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // can handle. 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) { 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ALOGE("dimensions too large %u x %u", uint32_t(w), uint32_t(h)); 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PixelFormatInfo displayInfo; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getPixelFormatInfo(hw.getFormat(), &displayInfo); 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const uint32_t hwFlags = hw.getFlags(); 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFormat = format; 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSecure = (flags & ISurfaceComposer::eSecure) ? true : false; 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mProtectedByApp = (flags & ISurfaceComposer::eProtectedByApp) ? true : false; 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpaqueLayer = (flags & ISurfaceComposer::eOpaque); 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentOpacity = getOpacityForFormat(format); 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurfaceTexture->setDefaultBufferSize(w, h); 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurfaceTexture->setDefaultBufferFormat(format); 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurfaceTexture->setConsumerUsageBits(getEffectiveUsage(0)); 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we use the red index 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED); 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED); 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedsDithering = layerRedsize > displayRedSize; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid Layer::setGeometry(hwc_layer_t* hwcl) 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayerBaseClient::setGeometry(hwcl); 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->flags &= ~HWC_SKIP_LAYER; 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we can't do alpha-fade with the hwc HAL 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const State& s(drawingState()); 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s.alpha < 0xFF) { 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->flags = HWC_SKIP_LAYER; 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Transformations are applied in this order: 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1) buffer orientation/flip/mirror 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2) state transformation (window manager) 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3) layer orientation (screen orientation) 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * mTransform is already the composition of (2) and (3) 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (NOTE: the matrices are multiplied in reverse order) 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const Transform bufferOrientation(mCurrentTransform); 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const Transform tr(mTransform * bufferOrientation); 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this gives us only the "orientation" component of the transform 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const uint32_t finalTransform = tr.getOrientation(); 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we can only handle simple transformation 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (finalTransform & Transform::ROT_INVALID) { 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->flags = HWC_SKIP_LAYER; 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->transform = finalTransform; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isCropped()) { 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->sourceCrop.left = mCurrentCrop.left; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->sourceCrop.top = mCurrentCrop.top; 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->sourceCrop.right = mCurrentCrop.right; 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->sourceCrop.bottom = mCurrentCrop.bottom; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<GraphicBuffer>& buffer(mActiveBuffer); 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->sourceCrop.left = 0; 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->sourceCrop.top = 0; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (buffer != NULL) { 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->sourceCrop.right = buffer->width; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->sourceCrop.bottom = buffer->height; 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->sourceCrop.right = mTransformedBounds.width(); 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->sourceCrop.bottom = mTransformedBounds.height(); 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid Layer::setPerFrameData(hwc_layer_t* hwcl) { 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<GraphicBuffer>& buffer(mActiveBuffer); 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (buffer == NULL) { 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this can happen if the client never drew into this layer yet, 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // or if we ran out of memory. In that case, don't let 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // HWC handle it. 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->flags |= HWC_SKIP_LAYER; 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->handle = NULL; 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hwcl->handle = buffer->handle; 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 290189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackbornvoid Layer::onDraw(const Region& clip) const 291189ee18d6c6483ad63cc864267328259e2e00b95Dianne Hackborn{ 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ATRACE_CALL(); 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (CC_UNLIKELY(mActiveBuffer == 0)) { 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the texture has not been created yet, this Layer has 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // in fact never been drawn into. This happens frequently with 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // SurfaceView because the WindowManager can't know when the client 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // has drawn the first time. 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If there is nothing under us, we paint the screen in black, otherwise 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we just skip this update. 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // figure out if there is something below us 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Region under; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const SurfaceFlinger::LayerVector& drawingLayers( 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFlinger->mDrawingState.layersSortedByZ); 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t count = drawingLayers.size(); 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0 ; i<count ; ++i) { 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<LayerBase>& layer(drawingLayers[i]); 310105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (layer.get() == static_cast<LayerBase const*>(this)) 311105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project break; 312105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project under.orSelf(layer->visibleRegionScreen); 313105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 314105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project // if not everything below us is covered, we plug the holes! 315105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project Region holes(clip.subtract(under)); 316105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (!holes.isEmpty()) { 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearWithOpenGL(holes, 0, 0, 0, 1); 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isProtected()) { 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glBindTexture(GL_TEXTURE_EXTERNAL_OES, mTextureName); 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLenum filter = GL_NEAREST; 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getFiltering() || needsFiltering() || isFixedSize() || isCropped()) { 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: we could be more subtle with isFixedSize() 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filter = GL_LINEAR; 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER, filter); 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, filter); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glMatrixMode(GL_TEXTURE); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glLoadMatrixf(mTextureMatrix); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glMatrixMode(GL_MODELVIEW); 3348a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov glDisable(GL_TEXTURE_2D); 3358a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov glEnable(GL_TEXTURE_EXTERNAL_OES); 3368a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov } else { 3378a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov glBindTexture(GL_TEXTURE_2D, mFlinger->getProtectedTexName()); 3388a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov glMatrixMode(GL_TEXTURE); 3398a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov glLoadIdentity(); 3408a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov glMatrixMode(GL_MODELVIEW); 3418a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov glDisable(GL_TEXTURE_EXTERNAL_OES); 3428a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov glEnable(GL_TEXTURE_2D); 3438a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov } 3448a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawWithOpenGL(clip); 346 347 glDisable(GL_TEXTURE_EXTERNAL_OES); 348 glDisable(GL_TEXTURE_2D); 349} 350 351// As documented in libhardware header, formats in the range 352// 0x100 - 0x1FF are specific to the HAL implementation, and 353// are known to have no alpha channel 354// TODO: move definition for device-specific range into 355// hardware.h, instead of using hard-coded values here. 356#define HARDWARE_IS_DEVICE_FORMAT(f) ((f) >= 0x100 && (f) <= 0x1FF) 357 358bool Layer::getOpacityForFormat(uint32_t format) 359{ 360 if (HARDWARE_IS_DEVICE_FORMAT(format)) { 361 return true; 362 } 363 PixelFormatInfo info; 364 status_t err = getPixelFormatInfo(PixelFormat(format), &info); 365 // in case of error (unknown format), we assume no blending 366 return (err || info.h_alpha <= info.l_alpha); 367} 368 369 370bool Layer::isOpaque() const 371{ 372 // if we don't have a buffer yet, we're translucent regardless of the 373 // layer's opaque flag. 374 if (mActiveBuffer == 0) { 375 return false; 376 } 377 378 // if the layer has the opaque flag, then we're always opaque, 379 // otherwise we use the current buffer's format. 380 return mOpaqueLayer || mCurrentOpacity; 381} 382 383bool Layer::isProtected() const 384{ 385 const sp<GraphicBuffer>& activeBuffer(mActiveBuffer); 386 return (activeBuffer != 0) && 387 (activeBuffer->getUsage() & GRALLOC_USAGE_PROTECTED); 388} 389 390uint32_t Layer::doTransaction(uint32_t flags) 391{ 392 ATRACE_CALL(); 393 394 const Layer::State& front(drawingState()); 395 const Layer::State& temp(currentState()); 396 397 const bool sizeChanged = (front.requested_w != temp.requested_w) || 398 (front.requested_h != temp.requested_h); 399 400 if (sizeChanged) { 401 // the size changed, we need to ask our client to request a new buffer 402 ALOGD_IF(DEBUG_RESIZE, 403 "doTransaction: " 404 "resize (layer=%p), requested (%dx%d), drawing (%d,%d), " 405 "scalingMode=%d", 406 this, 407 int(temp.requested_w), int(temp.requested_h), 408 int(front.requested_w), int(front.requested_h), 409 mCurrentScalingMode); 410 411 if (!isFixedSize()) { 412 // this will make sure LayerBase::doTransaction doesn't update 413 // the drawing state's size 414 Layer::State& editDraw(mDrawingState); 415 editDraw.requested_w = temp.requested_w; 416 editDraw.requested_h = temp.requested_h; 417 } 418 419 // record the new size, form this point on, when the client request 420 // a buffer, it'll get the new size. 421 mSurfaceTexture->setDefaultBufferSize(temp.requested_w, 422 temp.requested_h); 423 } 424 425 return LayerBase::doTransaction(flags); 426} 427 428bool Layer::isFixedSize() const { 429 return mCurrentScalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE; 430} 431 432bool Layer::isCropped() const { 433 return !mCurrentCrop.isEmpty(); 434} 435 436// ---------------------------------------------------------------------------- 437// pageflip handling... 438// ---------------------------------------------------------------------------- 439 440bool Layer::onPreComposition() { 441 mRefreshPending = false; 442 return mQueuedFrames > 0; 443} 444 445void Layer::lockPageFlip(bool& recomputeVisibleRegions) 446{ 447 ATRACE_CALL(); 448 449 if (mQueuedFrames > 0) { 450 451 // if we've already called updateTexImage() without going through 452 // a composition step, we have to skip this layer at this point 453 // because we cannot call updateTeximage() without a corresponding 454 // compositionComplete() call. 455 // we'll trigger an update in onPreComposition(). 456 if (mRefreshPending) { 457 mPostedDirtyRegion.clear(); 458 return; 459 } 460 mRefreshPending = true; 461 462 // Capture the old state of the layer for comparisons later 463 const bool oldOpacity = isOpaque(); 464 sp<GraphicBuffer> oldActiveBuffer = mActiveBuffer; 465 466 // signal another event if we have more frames pending 467 if (android_atomic_dec(&mQueuedFrames) > 1) { 468 mFlinger->signalLayerUpdate(); 469 } 470 471 if (mSurfaceTexture->updateTexImage() < NO_ERROR) { 472 // something happened! 473 recomputeVisibleRegions = true; 474 return; 475 } 476 477 // update the active buffer 478 mActiveBuffer = mSurfaceTexture->getCurrentBuffer(); 479 mFrameLatencyNeeded = true; 480 481 if (oldActiveBuffer == NULL && mActiveBuffer != NULL) { 482 // the first time we receive a buffer, we need to trigger a 483 // geometry invalidation. 484 mFlinger->invalidateHwcGeometry(); 485 } 486 487 const Rect crop(mSurfaceTexture->getCurrentCrop()); 488 const uint32_t transform(mSurfaceTexture->getCurrentTransform()); 489 const uint32_t scalingMode(mSurfaceTexture->getCurrentScalingMode()); 490 if ((crop != mCurrentCrop) || 491 (transform != mCurrentTransform) || 492 (scalingMode != mCurrentScalingMode)) 493 { 494 mCurrentCrop = crop; 495 mCurrentTransform = transform; 496 mCurrentScalingMode = scalingMode; 497 mFlinger->invalidateHwcGeometry(); 498 } 499 500 GLfloat textureMatrix[16]; 501 mSurfaceTexture->getTransformMatrix(textureMatrix); 502 if (memcmp(textureMatrix, mTextureMatrix, sizeof(textureMatrix))) { 503 memcpy(mTextureMatrix, textureMatrix, sizeof(textureMatrix)); 504 mFlinger->invalidateHwcGeometry(); 505 } 506 507 uint32_t bufWidth = mActiveBuffer->getWidth(); 508 uint32_t bufHeight = mActiveBuffer->getHeight(); 509 if (oldActiveBuffer != NULL) { 510 if (bufWidth != uint32_t(oldActiveBuffer->width) || 511 bufHeight != uint32_t(oldActiveBuffer->height)) { 512 mFlinger->invalidateHwcGeometry(); 513 } 514 } 515 516 mCurrentOpacity = getOpacityForFormat(mActiveBuffer->format); 517 if (oldOpacity != isOpaque()) { 518 recomputeVisibleRegions = true; 519 } 520 521 glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 522 glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 523 524 // update the layer size if needed 525 const Layer::State& front(drawingState()); 526 527 // FIXME: mPostedDirtyRegion = dirty & bounds 528 mPostedDirtyRegion.set(front.w, front.h); 529 530 if ((front.w != front.requested_w) || 531 (front.h != front.requested_h)) 532 { 533 // check that we received a buffer of the right size 534 // (Take the buffer's orientation into account) 535 if (mCurrentTransform & Transform::ROT_90) { 536 swap(bufWidth, bufHeight); 537 } 538 539 if (isFixedSize() || 540 (bufWidth == front.requested_w && 541 bufHeight == front.requested_h)) 542 { 543 // Here we pretend the transaction happened by updating the 544 // current and drawing states. Drawing state is only accessed 545 // in this thread, no need to have it locked 546 Layer::State& editDraw(mDrawingState); 547 editDraw.w = editDraw.requested_w; 548 editDraw.h = editDraw.requested_h; 549 550 // We also need to update the current state so that we don't 551 // end-up doing too much work during the next transaction. 552 // NOTE: We actually don't need hold the transaction lock here 553 // because State::w and State::h are only accessed from 554 // this thread 555 Layer::State& editTemp(currentState()); 556 editTemp.w = editDraw.w; 557 editTemp.h = editDraw.h; 558 559 // recompute visible region 560 recomputeVisibleRegions = true; 561 } 562 563 ALOGD_IF(DEBUG_RESIZE, 564 "lockPageFlip : " 565 " (layer=%p), buffer (%ux%u, tr=%02x), " 566 "requested (%dx%d)", 567 this, 568 bufWidth, bufHeight, mCurrentTransform, 569 front.requested_w, front.requested_h); 570 } 571 } 572} 573 574void Layer::unlockPageFlip( 575 const Transform& planeTransform, Region& outDirtyRegion) 576{ 577 ATRACE_CALL(); 578 579 Region postedRegion(mPostedDirtyRegion); 580 if (!postedRegion.isEmpty()) { 581 mPostedDirtyRegion.clear(); 582 if (!visibleRegionScreen.isEmpty()) { 583 // The dirty region is given in the layer's coordinate space 584 // transform the dirty region by the surface's transformation 585 // and the global transformation. 586 const Layer::State& s(drawingState()); 587 const Transform tr(planeTransform * s.transform); 588 postedRegion = tr.transform(postedRegion); 589 590 // At this point, the dirty region is in screen space. 591 // Make sure it's constrained by the visible region (which 592 // is in screen space as well). 593 postedRegion.andSelf(visibleRegionScreen); 594 outDirtyRegion.orSelf(postedRegion); 595 } 596 } 597} 598 599void Layer::dump(String8& result, char* buffer, size_t SIZE) const 600{ 601 LayerBaseClient::dump(result, buffer, SIZE); 602 603 sp<const GraphicBuffer> buf0(mActiveBuffer); 604 uint32_t w0=0, h0=0, s0=0, f0=0; 605 if (buf0 != 0) { 606 w0 = buf0->getWidth(); 607 h0 = buf0->getHeight(); 608 s0 = buf0->getStride(); 609 f0 = buf0->format; 610 } 611 snprintf(buffer, SIZE, 612 " " 613 "format=%2d, activeBuffer=[%4ux%4u:%4u,%3X]," 614 " transform-hint=0x%02x, queued-frames=%d, mRefreshPending=%d\n", 615 mFormat, w0, h0, s0,f0, 616 getTransformHint(), mQueuedFrames, mRefreshPending); 617 618 result.append(buffer); 619 620 if (mSurfaceTexture != 0) { 621 mSurfaceTexture->dump(result, " ", buffer, SIZE); 622 } 623} 624 625void Layer::dumpStats(String8& result, char* buffer, size_t SIZE) const 626{ 627 LayerBaseClient::dumpStats(result, buffer, SIZE); 628 const size_t o = mFrameLatencyOffset; 629 const DisplayHardware& hw(graphicPlane(0).displayHardware()); 630 const nsecs_t period = hw.getRefreshPeriod(); 631 result.appendFormat("%lld\n", period); 632 for (size_t i=0 ; i<128 ; i++) { 633 const size_t index = (o+i) % 128; 634 const nsecs_t time_app = mFrameStats[index].timestamp; 635 const nsecs_t time_set = mFrameStats[index].set; 636 const nsecs_t time_vsync = mFrameStats[index].vsync; 637 result.appendFormat("%lld\t%lld\t%lld\n", 638 time_app, 639 time_vsync, 640 time_set); 641 } 642 result.append("\n"); 643} 644 645void Layer::clearStats() 646{ 647 LayerBaseClient::clearStats(); 648 memset(mFrameStats, 0, sizeof(mFrameStats)); 649} 650 651uint32_t Layer::getEffectiveUsage(uint32_t usage) const 652{ 653 // TODO: should we do something special if mSecure is set? 654 if (mProtectedByApp) { 655 // need a hardware-protected path to external video sink 656 usage |= GraphicBuffer::USAGE_PROTECTED; 657 } 658 usage |= GraphicBuffer::USAGE_HW_COMPOSER; 659 return usage; 660} 661 662uint32_t Layer::getTransformHint() const { 663 uint32_t orientation = 0; 664 if (!mFlinger->mDebugDisableTransformHint) { 665 orientation = getPlaneOrientation(); 666 if (orientation & Transform::ROT_INVALID) { 667 orientation = 0; 668 } 669 } 670 return orientation; 671} 672 673// --------------------------------------------------------------------------- 674 675 676}; // namespace android 677