Layer.cpp revision 1f7bec634f19c123410a5155c8d282e177c01930
1edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project/* 2edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 3edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 4edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * you may not use this file except in compliance with the License. 6edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * You may obtain a copy of the License at 7edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 8edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 10edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * See the License for the specific language governing permissions and 14edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * limitations under the License. 15edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project */ 16edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 17edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <stdlib.h> 18edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <stdint.h> 19edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sys/types.h> 20edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 21edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <cutils/properties.h> 22076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian#include <cutils/native_handle.h> 23edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 24edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Errors.h> 25edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Log.h> 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/StopWatch.h> 27edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 283330b203039dea366d4981db1408a460134b2d2cMathias Agopian#include <ui/GraphicBuffer.h> 29edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <ui/PixelFormat.h> 309cce325fae8adcf7560a28eef394489f09bad74dMathias Agopian 319cce325fae8adcf7560a28eef394489f09bad74dMathias Agopian#include <surfaceflinger/Surface.h> 32edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 33edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include "clz.h" 341f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian#include "GLExtensions.h" 35edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include "Layer.h" 36edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include "SurfaceFlinger.h" 37edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include "DisplayHardware/DisplayHardware.h" 38edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 39edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 40edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define DEBUG_RESIZE 0 41edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 42edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 43edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 44edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 45ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopiantemplate <typename T> inline T min(T a, T b) { 46ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian return a<b ? a : b; 47ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian} 48ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian 49edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 50edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 5196f0819f81293076e652792794a961543e6750d7Mathias AgopianLayer::Layer(SurfaceFlinger* flinger, 5296f0819f81293076e652792794a961543e6750d7Mathias Agopian DisplayID display, const sp<Client>& client) 5396f0819f81293076e652792794a961543e6750d7Mathias Agopian : LayerBaseClient(flinger, display, client), 541f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian mGLExtensions(GLExtensions::getInstance()), 55401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian mNeedsBlending(true), 56d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian mNeedsDithering(false), 57b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mSecure(false), 581f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian mTextureManager(), 59a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mBufferManager(mTextureManager), 60a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mWidth(0), mHeight(0), mFixedSize(false) 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 64edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectLayer::~Layer() 65edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 66bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian // FIXME: must be called from the main UI thread 67bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian EGLDisplay dpy(mFlinger->graphicPlane(0).getEGLDisplay()); 68bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian mBufferManager.destroy(dpy); 69bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian 70b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian // we can use getUserClientUnsafe here because we know we're 71b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian // single-threaded at that point. 72b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian sp<UserClient> ourClient(mUserClientRef.getUserClientUnsafe()); 73b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (ourClient != 0) { 74b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ourClient->detachLayer(this); 75b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian } 76d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 77d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 78b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopianstatus_t Layer::setToken(const sp<UserClient>& userClient, 79b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedClient* sharedClient, int32_t token) 8096f0819f81293076e652792794a961543e6750d7Mathias Agopian{ 81579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian sp<SharedBufferServer> lcblk = new SharedBufferServer( 82b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian sharedClient, token, mBufferManager.getDefaultBufferCount(), 83b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian getIdentity()); 8496f0819f81293076e652792794a961543e6750d7Mathias Agopian 85b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian status_t err = mUserClientRef.setToken(userClient, lcblk, token); 86579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 87579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian LOGE_IF(err != NO_ERROR, 88579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian "ClientRef::setToken(%p, %p, %u) failed", 89579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian userClient.get(), lcblk.get(), token); 90579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 91579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian if (err == NO_ERROR) { 92579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian // we need to free the buffers associated with this surface 93b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian } 9496f0819f81293076e652792794a961543e6750d7Mathias Agopian 95b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return err; 96b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 9796f0819f81293076e652792794a961543e6750d7Mathias Agopian 98b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopianint32_t Layer::getToken() const 99b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian{ 100b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return mUserClientRef.getToken(); 10196f0819f81293076e652792794a961543e6750d7Mathias Agopian} 10296f0819f81293076e652792794a961543e6750d7Mathias Agopian 103579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopiansp<UserClient> Layer::getClient() const 104579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian{ 105579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian return mUserClientRef.getClient(); 106579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian} 107579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 108d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian// called with SurfaceFlinger::mStateLock as soon as the layer is entered 109d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian// in the purgatory list 110d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianvoid Layer::onRemoved() 111d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 112b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 113b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 114b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (lcblk) { 11596f0819f81293076e652792794a961543e6750d7Mathias Agopian // wake up the condition 11696f0819f81293076e652792794a961543e6750d7Mathias Agopian lcblk->setStatus(NO_INIT); 11796f0819f81293076e652792794a961543e6750d7Mathias Agopian } 11848d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian} 119cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian 120076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopiansp<LayerBaseClient::Surface> Layer::createSurface() const 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mSurface; 123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 124edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1259a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopianstatus_t Layer::ditch() 1269a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopian{ 127bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian // NOTE: Called from the main UI thread 128bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian 1290aa758d64ac530833ce9a311b164c9175a7a054cMathias Agopian // the layer is not on screen anymore. free as much resources as possible 130f5430db059be3e771c004d0ada594bf8820d0517Mathias Agopian mFreezeLock.clear(); 131bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian 132bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian EGLDisplay dpy(mFlinger->graphicPlane(0).getEGLDisplay()); 133bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian mBufferManager.destroy(dpy); 134bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian mSurface.clear(); 135bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian 136bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian Mutex::Autolock _l(mLock); 137bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian mWidth = mHeight = 0; 1389a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopian return NO_ERROR; 1399a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopian} 1409a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopian 141f9d932774e06d5122c48b47d8cabd791783f56d2Mathias Agopianstatus_t Layer::setBuffers( uint32_t w, uint32_t h, 142edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project PixelFormat format, uint32_t flags) 143edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 144401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian // this surfaces pixel format 145edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project PixelFormatInfo info; 146edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err = getPixelFormatInfo(format, &info); 147edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err) return err; 148edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 149401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian // the display's pixel format 150401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian const DisplayHardware& hw(graphicPlane(0).displayHardware()); 151ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian uint32_t const maxSurfaceDims = min( 152ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian hw.getMaxTextureSize(), hw.getMaxViewportDims()); 153ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian 154ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian // never allow a surface larger than what our underlying GL implementation 155ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian // can handle. 156ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) { 157ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian return BAD_VALUE; 158ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian } 159ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian 160401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian PixelFormatInfo displayInfo; 161401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian getPixelFormatInfo(hw.getFormat(), &displayInfo); 162a4b740ed89074cda898a30eb1b029b0d3a5de1a5Mathias Agopian const uint32_t hwFlags = hw.getFlags(); 163a4b740ed89074cda898a30eb1b029b0d3a5de1a5Mathias Agopian 164cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian mFormat = format; 165f955be995d9aa5eb2c4b86246b2f85797e21e003Mathias Agopian mReqFormat = format; 166ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian mWidth = w; 167cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian mHeight = h; 1683330b203039dea366d4981db1408a460134b2d2cMathias Agopian mSecure = (flags & ISurfaceComposer::eSecure) ? true : false; 169edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mNeedsBlending = (info.h_alpha - info.l_alpha) > 0; 170ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian 171401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian // we use the red index 172401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED); 173401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED); 174401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian mNeedsDithering = layerRedsize > displayRedSize; 175401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian 17696f0819f81293076e652792794a961543e6750d7Mathias Agopian mSurface = new SurfaceLayer(mFlinger, this); 177edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 178edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 179edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 180edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Layer::reloadTexture(const Region& dirty) 181edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 182d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian sp<GraphicBuffer> buffer(mBufferManager.getActiveBuffer()); 1838f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian if (buffer == NULL) { 1848f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian // this situation can happen if we ran out of memory for instance. 1858f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian // not much we can do. continue to use whatever texture was bound 1868f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian // to this context. 1878f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian return; 1888f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian } 1898f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian 1901f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian if (mGLExtensions.haveDirectTexture()) { 191d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian EGLDisplay dpy(mFlinger->graphicPlane(0).getEGLDisplay()); 192d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian if (mBufferManager.initEglImage(dpy, buffer) != NO_ERROR) { 193d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian // not sure what we can do here... 194d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian goto slowpath; 195076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 1961f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian } else { 197fcfeb4b5970c8f361634429934a2518d7e8328ddMathias Agopianslowpath: 198076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian GGLSurface t; 1993330b203039dea366d4981db1408a460134b2d2cMathias Agopian status_t res = buffer->lock(&t, GRALLOC_USAGE_SW_READ_OFTEN); 2000926f50664c739eaee60341f8e8c694dc9a4f3ebMathias Agopian LOGE_IF(res, "error %d (%s) locking buffer %p", 2010926f50664c739eaee60341f8e8c694dc9a4f3ebMathias Agopian res, strerror(res), buffer.get()); 2020926f50664c739eaee60341f8e8c694dc9a4f3ebMathias Agopian if (res == NO_ERROR) { 203d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian mBufferManager.loadTexture(dirty, t); 2040926f50664c739eaee60341f8e8c694dc9a4f3ebMathias Agopian buffer->unlock(); 205076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 206edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 207edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 208edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 209edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Layer::onDraw(const Region& clip) const 210edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 211d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian Texture tex(mBufferManager.getActiveTexture()); 212d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian if (tex.name == -1LU) { 213edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // the texture has not been created yet, this Layer has 214179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // in fact never been drawn into. This happens frequently with 215179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // SurfaceView because the WindowManager can't know when the client 216179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // has drawn the first time. 217179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian 218179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // If there is nothing under us, we paint the screen in black, otherwise 219179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // we just skip this update. 220179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian 221179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // figure out if there is something below us 222179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian Region under; 223179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian const SurfaceFlinger::LayerVector& drawingLayers(mFlinger->mDrawingState.layersSortedByZ); 224179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian const size_t count = drawingLayers.size(); 225179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian for (size_t i=0 ; i<count ; ++i) { 226179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian const sp<LayerBase>& layer(drawingLayers[i]); 227179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian if (layer.get() == static_cast<LayerBase const*>(this)) 228179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian break; 229179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian under.orSelf(layer->visibleRegionScreen); 230179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian } 231179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // if not everything below us is covered, we plug the holes! 232179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian Region holes(clip.subtract(under)); 233179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian if (!holes.isEmpty()) { 2340a91775c4df380d6a5b7f3ccad5127388ac01306Mathias Agopian clearWithOpenGL(holes, 0, 0, 0, 1); 235179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian } 236edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return; 237edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 238d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian drawWithOpenGL(clip, tex); 239edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 240edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 241a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopianbool Layer::needsFiltering() const 242a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian{ 243a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian if (!(mFlags & DisplayHardware::SLOW_CONFIG)) { 244a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian // NOTE: there is a race here, because mFixedSize is updated in a 245a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian // binder transaction. however, it doesn't really matter since it is 246a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian // evaluated each time we draw. To be perfectly correct, this flag 247a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian // would have to be associated with a buffer. 248a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian if (mFixedSize) 249a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian return true; 250a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian } 251a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian return LayerBase::needsFiltering(); 252a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian} 253a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian 254b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian 255b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopianstatus_t Layer::setBufferCount(int bufferCount) 256b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian{ 257b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 258b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 259b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (!lcblk) { 260b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian // oops, the client is already gone 261b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian return DEAD_OBJECT; 262b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian } 263b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian 264bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian // NOTE: lcblk->resize() is protected by an internal lock 265bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian status_t err = lcblk->resize(bufferCount); 266bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian if (err == NO_ERROR) 267bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian mBufferManager.resize(bufferCount); 268b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian 269b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian return err; 270b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian} 271b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian 272a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopiansp<GraphicBuffer> Layer::requestBuffer(int index, 273a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian uint32_t reqWidth, uint32_t reqHeight, uint32_t reqFormat, 274a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian uint32_t usage) 275edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 2763330b203039dea366d4981db1408a460134b2d2cMathias Agopian sp<GraphicBuffer> buffer; 27748d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian 278b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (int32_t(reqWidth | reqHeight | reqFormat) < 0) 279a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian return buffer; 280a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian 281a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if ((!reqWidth && reqHeight) || (reqWidth && !reqHeight)) 282a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian return buffer; 283a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian 28448d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian // this ensures our client doesn't go away while we're accessing 28548d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian // the shared area. 286b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 287b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 288b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (!lcblk) { 28948d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian // oops, the client is already gone 29048d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian return buffer; 29148d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian } 29248d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian 293076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian /* 294cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian * This is called from the client's Surface::dequeue(). This can happen 295cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian * at any time, especially while we're in the middle of using the 296cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian * buffer 'index' as our front buffer. 297bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * 298cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian * Make sure the buffer we're resizing is not the front buffer and has been 299cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian * dequeued. Once this condition is asserted, we are guaranteed that this 300cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian * buffer cannot become the front buffer under our feet, since we're called 301cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian * from Surface::dequeue() 302076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian */ 303cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian status_t err = lcblk->assertReallocate(index); 304cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian LOGE_IF(err, "assertReallocate(%d) failed (%s)", index, strerror(-err)); 30548d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian if (err != NO_ERROR) { 30648d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian // the surface may have died 30748d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian return buffer; 30848d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian } 30948d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian 310a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian uint32_t w, h, f; 31148d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian { // scope for the lock 31248d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian Mutex::Autolock _l(mLock); 313a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian const bool fixedSizeChanged = mFixedSize != (reqWidth && reqHeight); 314a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian const bool formatChanged = mReqFormat != reqFormat; 315a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mReqWidth = reqWidth; 316a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mReqHeight = reqHeight; 317a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mReqFormat = reqFormat; 318a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mFixedSize = reqWidth && reqHeight; 319a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian w = reqWidth ? reqWidth : mWidth; 320a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian h = reqHeight ? reqHeight : mHeight; 321a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian f = reqFormat ? reqFormat : mFormat; 322d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian buffer = mBufferManager.detachBuffer(index); 323a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (fixedSizeChanged || formatChanged) { 324a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian lcblk->reallocateAllExcept(index); 325a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian } 32648d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian } 32748d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian 3283330b203039dea366d4981db1408a460134b2d2cMathias Agopian const uint32_t effectiveUsage = getEffectiveUsage(usage); 3296d9f69843bae31b2da9a8f2869547b1ff5d0654dMathias Agopian if (buffer!=0 && buffer->getStrongCount() == 1) { 330a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian err = buffer->reallocate(w, h, f, effectiveUsage); 331cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian } else { 332cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // here we have to reallocate a new buffer because we could have a 333cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // client in our process with a reference to it (eg: status bar), 334cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // and we can't release the handle under its feet. 335cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian buffer.clear(); 336a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian buffer = new GraphicBuffer(w, h, f, effectiveUsage); 337cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian err = buffer->initCheck(); 338076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 339cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian 340cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian if (err || buffer->handle == 0) { 341cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian LOGE_IF(err || buffer->handle == 0, 342cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian "Layer::requestBuffer(this=%p), index=%d, w=%d, h=%d failed (%s)", 343cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian this, index, w, h, strerror(-err)); 344edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 345cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian LOGD_IF(DEBUG_RESIZE, 3467e4a587f6038bcf9b58ca615fce9e52fd47e30c3Mathias Agopian "Layer::requestBuffer(this=%p), index=%d, w=%d, h=%d, handle=%p", 3477e4a587f6038bcf9b58ca615fce9e52fd47e30c3Mathias Agopian this, index, w, h, buffer->handle); 348edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 349edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 350cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian if (err == NO_ERROR && buffer->handle != 0) { 35148d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian Mutex::Autolock _l(mLock); 352a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mBufferManager.attachBuffer(index, buffer); 353f9d932774e06d5122c48b47d8cabd791783f56d2Mathias Agopian } 354cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian return buffer; 355f9d932774e06d5122c48b47d8cabd791783f56d2Mathias Agopian} 356f9d932774e06d5122c48b47d8cabd791783f56d2Mathias Agopian 3573330b203039dea366d4981db1408a460134b2d2cMathias Agopianuint32_t Layer::getEffectiveUsage(uint32_t usage) const 3583330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 3593330b203039dea366d4981db1408a460134b2d2cMathias Agopian /* 3603330b203039dea366d4981db1408a460134b2d2cMathias Agopian * buffers used for software rendering, but h/w composition 3613330b203039dea366d4981db1408a460134b2d2cMathias Agopian * are allocated with SW_READ_OFTEN | SW_WRITE_OFTEN | HW_TEXTURE 3623330b203039dea366d4981db1408a460134b2d2cMathias Agopian * 3633330b203039dea366d4981db1408a460134b2d2cMathias Agopian * buffers used for h/w rendering and h/w composition 3643330b203039dea366d4981db1408a460134b2d2cMathias Agopian * are allocated with HW_RENDER | HW_TEXTURE 3653330b203039dea366d4981db1408a460134b2d2cMathias Agopian * 3663330b203039dea366d4981db1408a460134b2d2cMathias Agopian * buffers used with h/w rendering and either NPOT or no egl_image_ext 3673330b203039dea366d4981db1408a460134b2d2cMathias Agopian * are allocated with SW_READ_RARELY | HW_RENDER 3683330b203039dea366d4981db1408a460134b2d2cMathias Agopian * 3693330b203039dea366d4981db1408a460134b2d2cMathias Agopian */ 3703330b203039dea366d4981db1408a460134b2d2cMathias Agopian 3713330b203039dea366d4981db1408a460134b2d2cMathias Agopian if (mSecure) { 3723330b203039dea366d4981db1408a460134b2d2cMathias Agopian // secure buffer, don't store it into the GPU 3733330b203039dea366d4981db1408a460134b2d2cMathias Agopian usage = GraphicBuffer::USAGE_SW_READ_OFTEN | 3743330b203039dea366d4981db1408a460134b2d2cMathias Agopian GraphicBuffer::USAGE_SW_WRITE_OFTEN; 3753330b203039dea366d4981db1408a460134b2d2cMathias Agopian } else { 3763330b203039dea366d4981db1408a460134b2d2cMathias Agopian // it's allowed to modify the usage flags here, but generally 3773330b203039dea366d4981db1408a460134b2d2cMathias Agopian // the requested flags should be honored. 37889141f949270100d1cacecf99cc2ff25fce79087Mathias Agopian // request EGLImage for all buffers 37989141f949270100d1cacecf99cc2ff25fce79087Mathias Agopian usage |= GraphicBuffer::USAGE_HW_TEXTURE; 3803330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 3813330b203039dea366d4981db1408a460134b2d2cMathias Agopian return usage; 3823330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 3833330b203039dea366d4981db1408a460134b2d2cMathias Agopian 384edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectuint32_t Layer::doTransaction(uint32_t flags) 385edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 386edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Layer::State& front(drawingState()); 387edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Layer::State& temp(currentState()); 388edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 389a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian const bool sizeChanged = (front.requested_w != temp.requested_w) || 390a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian (front.requested_h != temp.requested_h); 391a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian 392a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (sizeChanged) { 393cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // the size changed, we need to ask our client to request a new buffer 394edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOGD_IF(DEBUG_RESIZE, 395a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian "resize (layer=%p), requested (%dx%d), drawing (%d,%d)", 396a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian this, 397a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian int(temp.requested_w), int(temp.requested_h), 398a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian int(front.requested_w), int(front.requested_h)); 399a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian 400a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (!isFixedSize()) { 401a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // we're being resized and there is a freeze display request, 402a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // acquire a freeze lock, so that the screen stays put 403a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // until we've redrawn at the new size; this is to avoid 404a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // glitches upon orientation changes. 405a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (mFlinger->hasFreezeRequest()) { 406a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // if the surface is hidden, don't try to acquire the 407a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // freeze lock, since hidden surfaces may never redraw 408a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (!(front.flags & ISurfaceComposer::eLayerHidden)) { 409a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mFreezeLock = mFlinger->getFreezeLock(); 410a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian } 411edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 412caa600c4a1af1eefd108cf2ec3d86068af35111fMathias Agopian 413a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // this will make sure LayerBase::doTransaction doesn't update 414a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // the drawing state's size 415a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian Layer::State& editDraw(mDrawingState); 416a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian editDraw.requested_w = temp.requested_w; 417a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian editDraw.requested_h = temp.requested_h; 418df3e0b934f2822ea0a334777e51e681f04a64d7cMathias Agopian 419a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // record the new size, form this point on, when the client request 420a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // a buffer, it'll get the new size. 421a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian setBufferSize(temp.requested_w, temp.requested_h); 4226656dbc81273424d9b4bf78c42a4e179dbe1cb71Mathias Agopian 423b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 424b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 425b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (lcblk) { 42696f0819f81293076e652792794a961543e6750d7Mathias Agopian // all buffers need reallocation 42796f0819f81293076e652792794a961543e6750d7Mathias Agopian lcblk->reallocateAll(); 42896f0819f81293076e652792794a961543e6750d7Mathias Agopian } 429a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian } else { 430a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // record the new size 431a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian setBufferSize(temp.requested_w, temp.requested_h); 432a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian } 433edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 434cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian 435edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (temp.sequence != front.sequence) { 436edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (temp.flags & ISurfaceComposer::eLayerHidden || temp.alpha == 0) { 437edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // this surface is now hidden, so it shouldn't hold a freeze lock 438edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // (it may never redraw, which is fine if it is hidden) 439edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mFreezeLock.clear(); 440edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 441edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 442edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 443edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return LayerBase::doTransaction(flags); 444edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 445edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 446a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopianvoid Layer::setBufferSize(uint32_t w, uint32_t h) { 447cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian Mutex::Autolock _l(mLock); 448cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian mWidth = w; 449cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian mHeight = h; 450edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 451edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 452a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopianbool Layer::isFixedSize() const { 453a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian Mutex::Autolock _l(mLock); 454a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian return mFixedSize; 455a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian} 456a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian 457edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 458edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// pageflip handling... 459edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 460edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 461edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Layer::lockPageFlip(bool& recomputeVisibleRegions) 462edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 463b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 464b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 465b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (!lcblk) { 46696f0819f81293076e652792794a961543e6750d7Mathias Agopian // client died 46796f0819f81293076e652792794a961543e6750d7Mathias Agopian recomputeVisibleRegions = true; 46896f0819f81293076e652792794a961543e6750d7Mathias Agopian return; 46996f0819f81293076e652792794a961543e6750d7Mathias Agopian } 47096f0819f81293076e652792794a961543e6750d7Mathias Agopian 471cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian ssize_t buf = lcblk->retireAndLock(); 472d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian if (buf == NOT_ENOUGH_DATA) { 473d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian // NOTE: This is not an error, it simply means there is nothing to 474d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian // retire. The buffer is locked because we will use it 475cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // for composition later in the loop 476edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return; 477edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 478d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 479d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian if (buf < NO_ERROR) { 480b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian LOGE("retireAndLock() buffer index (%d) out of range", int(buf)); 481d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian mPostedDirtyRegion.clear(); 482d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian return; 483d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian } 484d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 485cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // we retired a buffer, which becomes the new front buffer 486d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian if (mBufferManager.setActiveBufferIndex(buf) < NO_ERROR) { 487b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian LOGE("retireAndLock() buffer index (%d) out of range", int(buf)); 488d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian mPostedDirtyRegion.clear(); 489d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return; 490d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian } 491edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 492cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // get the dirty region 4933330b203039dea366d4981db1408a460134b2d2cMathias Agopian sp<GraphicBuffer> newFrontBuffer(getBuffer(buf)); 494d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian if (newFrontBuffer != NULL) { 495d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // compute the posted region 496d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian const Region dirty(lcblk->getDirtyRegion(buf)); 497d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian mPostedDirtyRegion = dirty.intersect( newFrontBuffer->getBounds() ); 498d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 499d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // update the layer size and release freeze-lock 500d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian const Layer::State& front(drawingState()); 501d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian if (newFrontBuffer->getWidth() == front.requested_w && 502d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian newFrontBuffer->getHeight() == front.requested_h) 503df3e0b934f2822ea0a334777e51e681f04a64d7cMathias Agopian { 504d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian if ((front.w != front.requested_w) || 505d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian (front.h != front.requested_h)) 506d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian { 507d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // Here we pretend the transaction happened by updating the 508d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // current and drawing states. Drawing state is only accessed 509d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // in this thread, no need to have it locked 510d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian Layer::State& editDraw(mDrawingState); 511d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian editDraw.w = editDraw.requested_w; 512d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian editDraw.h = editDraw.requested_h; 513d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 514d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // We also need to update the current state so that we don't 515d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // end-up doing too much work during the next transaction. 516d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // NOTE: We actually don't need hold the transaction lock here 517d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // because State::w and State::h are only accessed from 518d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // this thread 519d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian Layer::State& editTemp(currentState()); 520d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian editTemp.w = editDraw.w; 521d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian editTemp.h = editDraw.h; 522d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 523d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // recompute visible region 524d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian recomputeVisibleRegions = true; 525d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian } 5268f2d50521653f24c2a5e77b627dc015c7fbd656aMathias Agopian 527d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // we now have the correct size, unfreeze the screen 528d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian mFreezeLock.clear(); 529d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian } 530d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian } else { 531d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // this should not happen unless we ran out of memory while 532d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // allocating the buffer. we're hoping that things will get back 533d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // to normal the next time the app tries to draw into this buffer. 534d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // meanwhile, pretend the screen didn't update. 535d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian mPostedDirtyRegion.clear(); 536caa600c4a1af1eefd108cf2ec3d86068af35111fMathias Agopian } 537caa600c4a1af1eefd108cf2ec3d86068af35111fMathias Agopian 538e700501d0e888ead9ac6456c0a6fd74d634aa5fbMathias Agopian if (lcblk->getQueuedCount()) { 539e700501d0e888ead9ac6456c0a6fd74d634aa5fbMathias Agopian // signal an event if we have more buffers waiting 540e700501d0e888ead9ac6456c0a6fd74d634aa5fbMathias Agopian mFlinger->signalEvent(); 541e700501d0e888ead9ac6456c0a6fd74d634aa5fbMathias Agopian } 542edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 543245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian /* a buffer was posted, so we need to call reloadTexture(), which 544245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * will update our internal data structures (eg: EGLImageKHR or 545245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * texture names). we need to do this even if mPostedDirtyRegion is 546245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * empty -- it's orthogonal to the fact that a new buffer was posted, 547245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * for instance, a degenerate case could be that the user did an empty 548245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * update but repainted the buffer with appropriate content (after a 549245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * resize for instance). 550245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian */ 551245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian reloadTexture( mPostedDirtyRegion ); 552edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 553edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 554edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Layer::unlockPageFlip( 555edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Transform& planeTransform, Region& outDirtyRegion) 556edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 557edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Region dirtyRegion(mPostedDirtyRegion); 558edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!dirtyRegion.isEmpty()) { 559edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPostedDirtyRegion.clear(); 560edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // The dirty region is given in the layer's coordinate space 561edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // transform the dirty region by the surface's transformation 562edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // and the global transformation. 563edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Layer::State& s(drawingState()); 564edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Transform tr(planeTransform * s.transform); 565edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project dirtyRegion = tr.transform(dirtyRegion); 566edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 567edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // At this point, the dirty region is in screen space. 568edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Make sure it's constrained by the visible region (which 569edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // is in screen space as well). 570edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project dirtyRegion.andSelf(visibleRegionScreen); 571edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project outDirtyRegion.orSelf(dirtyRegion); 572edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 573c61de17f143b5f806c5bab9cc58910a322302b70Mathias Agopian if (visibleRegionScreen.isEmpty()) { 574c61de17f143b5f806c5bab9cc58910a322302b70Mathias Agopian // an invisible layer should not hold a freeze-lock 5751b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian // (because it may never be updated and therefore never release it) 576c61de17f143b5f806c5bab9cc58910a322302b70Mathias Agopian mFreezeLock.clear(); 577c61de17f143b5f806c5bab9cc58910a322302b70Mathias Agopian } 578edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 579edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 580edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Layer::finishPageFlip() 581edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 582b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 583b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 584b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (lcblk) { 58596f0819f81293076e652792794a961543e6750d7Mathias Agopian int buf = mBufferManager.getActiveBufferIndex(); 586b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (buf >= 0) { 587b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian status_t err = lcblk->unlock( buf ); 588b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian LOGE_IF(err!=NO_ERROR, 589b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian "layer %p, buffer=%d wasn't locked!", 590b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian this, buf); 591b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian } 59296f0819f81293076e652792794a961543e6750d7Mathias Agopian } 593edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 594edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 5951b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian 5961b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopianvoid Layer::dump(String8& result, char* buffer, size_t SIZE) const 5971b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian{ 5981b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian LayerBaseClient::dump(result, buffer, SIZE); 5991b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian 600b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 601b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 602b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian uint32_t totalTime = 0; 603b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (lcblk) { 604b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferStack::Statistics stats = lcblk->getStats(); 605b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian totalTime= stats.totalTime; 606b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian result.append( lcblk->dump(" ") ); 607b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian } 608b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 6091b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian sp<const GraphicBuffer> buf0(getBuffer(0)); 6101b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian sp<const GraphicBuffer> buf1(getBuffer(1)); 6111b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian uint32_t w0=0, h0=0, s0=0; 6121b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian uint32_t w1=0, h1=0, s1=0; 6131b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian if (buf0 != 0) { 6141b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian w0 = buf0->getWidth(); 6151b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian h0 = buf0->getHeight(); 6161b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian s0 = buf0->getStride(); 6171b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian } 6181b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian if (buf1 != 0) { 6191b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian w1 = buf1->getWidth(); 6201b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian h1 = buf1->getHeight(); 6211b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian s1 = buf1->getStride(); 6221b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian } 6231b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian snprintf(buffer, SIZE, 6241b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian " " 6251b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian "format=%2d, [%3ux%3u:%3u] [%3ux%3u:%3u]," 6261b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian " freezeLock=%p, dq-q-time=%u us\n", 627b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mFormat, w0, h0, s0, w1, h1, s1, 628b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian getFreezeLock().get(), totalTime); 6291b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian 6301b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian result.append(buffer); 6311b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian} 6321b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian 633076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian// --------------------------------------------------------------------------- 634076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 635b7e930db175c192464cebdeb49eb56cf6dd60114Mathias AgopianLayer::ClientRef::ClientRef() 636579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian : mControlBlock(0), mToken(-1) { 637b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 638b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 639b7e930db175c192464cebdeb49eb56cf6dd60114Mathias AgopianLayer::ClientRef::~ClientRef() { 640b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 641b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 642b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopianint32_t Layer::ClientRef::getToken() const { 643b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian Mutex::Autolock _l(mLock); 644b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return mToken; 645b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 646b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 647579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopiansp<UserClient> Layer::ClientRef::getClient() const { 648579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian Mutex::Autolock _l(mLock); 649579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian return mUserClient.promote(); 650579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian} 651579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 652b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopianstatus_t Layer::ClientRef::setToken(const sp<UserClient>& uc, 653579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian const sp<SharedBufferServer>& sharedClient, int32_t token) { 654b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian Mutex::Autolock _l(mLock); 655579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 656579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian { // scope for strong mUserClient reference 657579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian sp<UserClient> userClient(mUserClient.promote()); 658579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian if (mUserClient != 0 && mControlBlock != 0) { 659579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian mControlBlock->setStatus(NO_INIT); 660579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian } 661579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian } 662579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 663b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mUserClient = uc; 664b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mToken = token; 665579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian mControlBlock = sharedClient; 666b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return NO_ERROR; 667b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 668b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 669b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopiansp<UserClient> Layer::ClientRef::getUserClientUnsafe() const { 670b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return mUserClient.promote(); 671b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 672b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 673b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian// this class gives us access to SharedBufferServer safely 674b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian// it makes sure the UserClient (and its associated shared memory) 675b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian// won't go away while we're accessing it. 676b7e930db175c192464cebdeb49eb56cf6dd60114Mathias AgopianLayer::ClientRef::Access::Access(const ClientRef& ref) 677579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian : mControlBlock(0) 678b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian{ 679b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian Mutex::Autolock _l(ref.mLock); 680b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mUserClientStrongRef = ref.mUserClient.promote(); 681b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (mUserClientStrongRef != 0) 682579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian mControlBlock = ref.mControlBlock; 683579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian} 684579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 685579b3f88d03d06b897b778bd11818f5104677d1dMathias AgopianLayer::ClientRef::Access::~Access() 686579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian{ 687b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 688b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 689b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian// --------------------------------------------------------------------------- 690b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 691d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias AgopianLayer::BufferManager::BufferManager(TextureManager& tm) 692bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian : mNumBuffers(NUM_BUFFERS), mTextureManager(tm), 693b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mActiveBuffer(-1), mFailover(false) 694bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian{ 695bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian} 696bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian 697bb641244d7d73312dc65b8e338df18b22e335107Mathias AgopianLayer::BufferManager::~BufferManager() 698d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 699d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 700d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 701bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopianstatus_t Layer::BufferManager::resize(size_t size) 702bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian{ 703bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian Mutex::Autolock _l(mLock); 704bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian mNumBuffers = size; 705bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian return NO_ERROR; 706d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 707d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 708d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian// only for debugging 709d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopiansp<GraphicBuffer> Layer::BufferManager::getBuffer(size_t index) const { 710d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return mBufferData[index].buffer; 711d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 712d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 713d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::setActiveBufferIndex(size_t index) { 714d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian mActiveBuffer = index; 715d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return NO_ERROR; 716d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 717d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 718d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopiansize_t Layer::BufferManager::getActiveBufferIndex() const { 719d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return mActiveBuffer; 720d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 721d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 722d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias AgopianTexture Layer::BufferManager::getActiveTexture() const { 723bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian Texture res; 724b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (mFailover || mActiveBuffer<0) { 725bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian res = mFailoverTexture; 726bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } else { 727bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian static_cast<Image&>(res) = mBufferData[mActiveBuffer].texture; 728bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 729bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian return res; 730d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 731d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 732d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopiansp<GraphicBuffer> Layer::BufferManager::getActiveBuffer() const { 733b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian sp<GraphicBuffer> result; 734b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian const ssize_t activeBuffer = mActiveBuffer; 735b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (activeBuffer >= 0) { 736b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian BufferData const * const buffers = mBufferData; 737b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian Mutex::Autolock _l(mLock); 738b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian result = buffers[activeBuffer].buffer; 739b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian } 740b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return result; 741d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 742d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 743d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopiansp<GraphicBuffer> Layer::BufferManager::detachBuffer(size_t index) 744d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 745bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian BufferData* const buffers = mBufferData; 746d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian sp<GraphicBuffer> buffer; 747d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian Mutex::Autolock _l(mLock); 748bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffer = buffers[index].buffer; 749bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffers[index].buffer = 0; 750d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return buffer; 751d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 752d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 753d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::attachBuffer(size_t index, 754d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian const sp<GraphicBuffer>& buffer) 755d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 756bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian BufferData* const buffers = mBufferData; 757d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian Mutex::Autolock _l(mLock); 758bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffers[index].buffer = buffer; 759bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffers[index].texture.dirty = true; 760d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return NO_ERROR; 761d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 762d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 763d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::destroy(EGLDisplay dpy) 764d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 765bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian BufferData* const buffers = mBufferData; 766bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian size_t num; 767bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian { // scope for the lock 768bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian Mutex::Autolock _l(mLock); 769bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian num = mNumBuffers; 770bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian for (size_t i=0 ; i<num ; i++) { 771bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffers[i].buffer = 0; 772bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 773bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 774bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian for (size_t i=0 ; i<num ; i++) { 775bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian destroyTexture(&buffers[i].texture, dpy); 776d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian } 777d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian destroyTexture(&mFailoverTexture, dpy); 778d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return NO_ERROR; 779d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 780d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 781d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::initEglImage(EGLDisplay dpy, 782d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian const sp<GraphicBuffer>& buffer) 783d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 784b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian status_t err = NO_INIT; 785b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ssize_t index = mActiveBuffer; 786b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (index >= 0) { 7871f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian if (!mFailover) { 7881f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian Image& texture(mBufferData[index].texture); 7891f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian err = mTextureManager.initEglImage(&texture, dpy, buffer); 7901f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian // if EGLImage fails, we switch to regular texture mode, and we 7911f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian // free all resources associated with using EGLImages. 7921f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian if (err == NO_ERROR) { 7931f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian mFailover = false; 7941f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian destroyTexture(&mFailoverTexture, dpy); 7951f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian } else { 7961f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian mFailover = true; 7971f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian const size_t num = mNumBuffers; 7981f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian for (size_t i=0 ; i<num ; i++) { 7991f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian destroyTexture(&mBufferData[i].texture, dpy); 8001f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian } 801e049a957ce2a529564a1312dca60e86d0bcb0964Andreas Huber } 8021f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian } else { 8031f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian // we failed once, don't try again 8041f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian err = BAD_VALUE; 805d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian } 806d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian } 807d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return err; 808d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 809d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 810d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::loadTexture( 811d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian const Region& dirty, const GGLSurface& t) 812d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 813d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return mTextureManager.loadTexture(&mFailoverTexture, dirty, t); 814d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 815d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 816bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopianstatus_t Layer::BufferManager::destroyTexture(Image* tex, EGLDisplay dpy) 817bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian{ 818bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian if (tex->name != -1U) { 819bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian glDeleteTextures(1, &tex->name); 820bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian tex->name = -1U; 821bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 822bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian if (tex->image != EGL_NO_IMAGE_KHR) { 823bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian eglDestroyImageKHR(dpy, tex->image); 824bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian tex->image = EGL_NO_IMAGE_KHR; 825bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 826bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian return NO_ERROR; 827bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian} 828bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian 829d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian// --------------------------------------------------------------------------- 830d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 8319a11206fe793363c0e8897b478cbe6ef8c52b543Mathias AgopianLayer::SurfaceLayer::SurfaceLayer(const sp<SurfaceFlinger>& flinger, 83296f0819f81293076e652792794a961543e6750d7Mathias Agopian const sp<Layer>& owner) 83396f0819f81293076e652792794a961543e6750d7Mathias Agopian : Surface(flinger, owner->getIdentity(), owner) 8349a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopian{ 8359a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopian} 8369a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopian 8379a11206fe793363c0e8897b478cbe6ef8c52b543Mathias AgopianLayer::SurfaceLayer::~SurfaceLayer() 838076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 839076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 840076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 841a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopiansp<GraphicBuffer> Layer::SurfaceLayer::requestBuffer(int index, 842a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian uint32_t w, uint32_t h, uint32_t format, uint32_t usage) 843076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 8443330b203039dea366d4981db1408a460134b2d2cMathias Agopian sp<GraphicBuffer> buffer; 845076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian sp<Layer> owner(getOwner()); 846076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (owner != 0) { 847bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian /* 848bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * requestBuffer() cannot be called from the main thread 849bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * as it could cause a dead-lock, since it may have to wait 850bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * on conditions updated my the main thread. 851bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian */ 852a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian buffer = owner->requestBuffer(index, w, h, format, usage); 853076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 854076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian return buffer; 855076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 856edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 857b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopianstatus_t Layer::SurfaceLayer::setBufferCount(int bufferCount) 858b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian{ 859b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian status_t err = DEAD_OBJECT; 860b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian sp<Layer> owner(getOwner()); 861b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian if (owner != 0) { 862bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian /* 863bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * setBufferCount() cannot be called from the main thread 864bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * as it could cause a dead-lock, since it may have to wait 865bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * on conditions updated my the main thread. 866bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian */ 867b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian err = owner->setBufferCount(bufferCount); 868b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian } 869b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian return err; 870b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian} 871b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian 872edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 873edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 874edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 875edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 876