Layer.cpp revision 208cb0772429b9ac800010829ecc7b854bdc2d24
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. 297076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian */ 29848d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian 299208cb0772429b9ac800010829ecc7b854bdc2d24Mathias Agopian status_t err = NO_ERROR; 300a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian uint32_t w, h, f; 30148d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian { // scope for the lock 30248d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian Mutex::Autolock _l(mLock); 303a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian const bool fixedSizeChanged = mFixedSize != (reqWidth && reqHeight); 304a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian const bool formatChanged = mReqFormat != reqFormat; 305a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mReqWidth = reqWidth; 306a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mReqHeight = reqHeight; 307a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mReqFormat = reqFormat; 308a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mFixedSize = reqWidth && reqHeight; 309a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian w = reqWidth ? reqWidth : mWidth; 310a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian h = reqHeight ? reqHeight : mHeight; 311a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian f = reqFormat ? reqFormat : mFormat; 312a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (fixedSizeChanged || formatChanged) { 313a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian lcblk->reallocateAllExcept(index); 314a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian } 31548d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian } 31648d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian 317208cb0772429b9ac800010829ecc7b854bdc2d24Mathias Agopian // here we have to reallocate a new buffer because the buffer could be 318208cb0772429b9ac800010829ecc7b854bdc2d24Mathias Agopian // used as the front buffer, or by a client in our process 319208cb0772429b9ac800010829ecc7b854bdc2d24Mathias Agopian // (eg: status bar), and we can't release the handle under its feet. 3203330b203039dea366d4981db1408a460134b2d2cMathias Agopian const uint32_t effectiveUsage = getEffectiveUsage(usage); 321208cb0772429b9ac800010829ecc7b854bdc2d24Mathias Agopian buffer = new GraphicBuffer(w, h, f, effectiveUsage); 322208cb0772429b9ac800010829ecc7b854bdc2d24Mathias Agopian err = buffer->initCheck(); 323cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian 324cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian if (err || buffer->handle == 0) { 325cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian LOGE_IF(err || buffer->handle == 0, 326cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian "Layer::requestBuffer(this=%p), index=%d, w=%d, h=%d failed (%s)", 327cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian this, index, w, h, strerror(-err)); 328edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 329cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian LOGD_IF(DEBUG_RESIZE, 3307e4a587f6038bcf9b58ca615fce9e52fd47e30c3Mathias Agopian "Layer::requestBuffer(this=%p), index=%d, w=%d, h=%d, handle=%p", 3317e4a587f6038bcf9b58ca615fce9e52fd47e30c3Mathias Agopian this, index, w, h, buffer->handle); 332edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 333edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 334cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian if (err == NO_ERROR && buffer->handle != 0) { 33548d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian Mutex::Autolock _l(mLock); 336a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mBufferManager.attachBuffer(index, buffer); 337f9d932774e06d5122c48b47d8cabd791783f56d2Mathias Agopian } 338cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian return buffer; 339f9d932774e06d5122c48b47d8cabd791783f56d2Mathias Agopian} 340f9d932774e06d5122c48b47d8cabd791783f56d2Mathias Agopian 3413330b203039dea366d4981db1408a460134b2d2cMathias Agopianuint32_t Layer::getEffectiveUsage(uint32_t usage) const 3423330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 3433330b203039dea366d4981db1408a460134b2d2cMathias Agopian /* 3443330b203039dea366d4981db1408a460134b2d2cMathias Agopian * buffers used for software rendering, but h/w composition 3453330b203039dea366d4981db1408a460134b2d2cMathias Agopian * are allocated with SW_READ_OFTEN | SW_WRITE_OFTEN | HW_TEXTURE 3463330b203039dea366d4981db1408a460134b2d2cMathias Agopian * 3473330b203039dea366d4981db1408a460134b2d2cMathias Agopian * buffers used for h/w rendering and h/w composition 3483330b203039dea366d4981db1408a460134b2d2cMathias Agopian * are allocated with HW_RENDER | HW_TEXTURE 3493330b203039dea366d4981db1408a460134b2d2cMathias Agopian * 3503330b203039dea366d4981db1408a460134b2d2cMathias Agopian * buffers used with h/w rendering and either NPOT or no egl_image_ext 3513330b203039dea366d4981db1408a460134b2d2cMathias Agopian * are allocated with SW_READ_RARELY | HW_RENDER 3523330b203039dea366d4981db1408a460134b2d2cMathias Agopian * 3533330b203039dea366d4981db1408a460134b2d2cMathias Agopian */ 3543330b203039dea366d4981db1408a460134b2d2cMathias Agopian 3553330b203039dea366d4981db1408a460134b2d2cMathias Agopian if (mSecure) { 3563330b203039dea366d4981db1408a460134b2d2cMathias Agopian // secure buffer, don't store it into the GPU 3573330b203039dea366d4981db1408a460134b2d2cMathias Agopian usage = GraphicBuffer::USAGE_SW_READ_OFTEN | 3583330b203039dea366d4981db1408a460134b2d2cMathias Agopian GraphicBuffer::USAGE_SW_WRITE_OFTEN; 3593330b203039dea366d4981db1408a460134b2d2cMathias Agopian } else { 3603330b203039dea366d4981db1408a460134b2d2cMathias Agopian // it's allowed to modify the usage flags here, but generally 3613330b203039dea366d4981db1408a460134b2d2cMathias Agopian // the requested flags should be honored. 36289141f949270100d1cacecf99cc2ff25fce79087Mathias Agopian // request EGLImage for all buffers 36389141f949270100d1cacecf99cc2ff25fce79087Mathias Agopian usage |= GraphicBuffer::USAGE_HW_TEXTURE; 3643330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 3653330b203039dea366d4981db1408a460134b2d2cMathias Agopian return usage; 3663330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 3673330b203039dea366d4981db1408a460134b2d2cMathias Agopian 368edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectuint32_t Layer::doTransaction(uint32_t flags) 369edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 370edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Layer::State& front(drawingState()); 371edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Layer::State& temp(currentState()); 372edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 373a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian const bool sizeChanged = (front.requested_w != temp.requested_w) || 374a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian (front.requested_h != temp.requested_h); 375a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian 376a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (sizeChanged) { 377cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // the size changed, we need to ask our client to request a new buffer 378edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOGD_IF(DEBUG_RESIZE, 379a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian "resize (layer=%p), requested (%dx%d), drawing (%d,%d)", 380a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian this, 381a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian int(temp.requested_w), int(temp.requested_h), 382a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian int(front.requested_w), int(front.requested_h)); 383a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian 384a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (!isFixedSize()) { 385a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // we're being resized and there is a freeze display request, 386a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // acquire a freeze lock, so that the screen stays put 387a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // until we've redrawn at the new size; this is to avoid 388a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // glitches upon orientation changes. 389a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (mFlinger->hasFreezeRequest()) { 390a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // if the surface is hidden, don't try to acquire the 391a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // freeze lock, since hidden surfaces may never redraw 392a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (!(front.flags & ISurfaceComposer::eLayerHidden)) { 393a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mFreezeLock = mFlinger->getFreezeLock(); 394a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian } 395edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 396caa600c4a1af1eefd108cf2ec3d86068af35111fMathias Agopian 397a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // this will make sure LayerBase::doTransaction doesn't update 398a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // the drawing state's size 399a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian Layer::State& editDraw(mDrawingState); 400a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian editDraw.requested_w = temp.requested_w; 401a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian editDraw.requested_h = temp.requested_h; 402df3e0b934f2822ea0a334777e51e681f04a64d7cMathias Agopian 403a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // record the new size, form this point on, when the client request 404a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // a buffer, it'll get the new size. 405a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian setBufferSize(temp.requested_w, temp.requested_h); 4066656dbc81273424d9b4bf78c42a4e179dbe1cb71Mathias Agopian 407b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 408b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 409b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (lcblk) { 41096f0819f81293076e652792794a961543e6750d7Mathias Agopian // all buffers need reallocation 41196f0819f81293076e652792794a961543e6750d7Mathias Agopian lcblk->reallocateAll(); 41296f0819f81293076e652792794a961543e6750d7Mathias Agopian } 413a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian } else { 414a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // record the new size 415a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian setBufferSize(temp.requested_w, temp.requested_h); 416a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian } 417edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 418cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian 419edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (temp.sequence != front.sequence) { 420edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (temp.flags & ISurfaceComposer::eLayerHidden || temp.alpha == 0) { 421edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // this surface is now hidden, so it shouldn't hold a freeze lock 422edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // (it may never redraw, which is fine if it is hidden) 423edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mFreezeLock.clear(); 424edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 425edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 426edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 427edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return LayerBase::doTransaction(flags); 428edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 429edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 430a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopianvoid Layer::setBufferSize(uint32_t w, uint32_t h) { 431cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian Mutex::Autolock _l(mLock); 432cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian mWidth = w; 433cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian mHeight = h; 434edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 435edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 436a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopianbool Layer::isFixedSize() const { 437a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian Mutex::Autolock _l(mLock); 438a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian return mFixedSize; 439a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian} 440a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian 441edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 442edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// pageflip handling... 443edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 444edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 445edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Layer::lockPageFlip(bool& recomputeVisibleRegions) 446edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 447b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 448b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 449b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (!lcblk) { 45096f0819f81293076e652792794a961543e6750d7Mathias Agopian // client died 45196f0819f81293076e652792794a961543e6750d7Mathias Agopian recomputeVisibleRegions = true; 45296f0819f81293076e652792794a961543e6750d7Mathias Agopian return; 45396f0819f81293076e652792794a961543e6750d7Mathias Agopian } 45496f0819f81293076e652792794a961543e6750d7Mathias Agopian 455cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian ssize_t buf = lcblk->retireAndLock(); 456d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian if (buf == NOT_ENOUGH_DATA) { 457d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian // NOTE: This is not an error, it simply means there is nothing to 458d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian // retire. The buffer is locked because we will use it 459cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // for composition later in the loop 460edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return; 461edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 462d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 463d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian if (buf < NO_ERROR) { 464b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian LOGE("retireAndLock() buffer index (%d) out of range", int(buf)); 465d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian mPostedDirtyRegion.clear(); 466d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian return; 467d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian } 468d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 469cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // we retired a buffer, which becomes the new front buffer 470d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian if (mBufferManager.setActiveBufferIndex(buf) < NO_ERROR) { 471b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian LOGE("retireAndLock() buffer index (%d) out of range", int(buf)); 472d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian mPostedDirtyRegion.clear(); 473d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return; 474d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian } 475edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 476cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // get the dirty region 4773330b203039dea366d4981db1408a460134b2d2cMathias Agopian sp<GraphicBuffer> newFrontBuffer(getBuffer(buf)); 478d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian if (newFrontBuffer != NULL) { 479d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // compute the posted region 480d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian const Region dirty(lcblk->getDirtyRegion(buf)); 481d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian mPostedDirtyRegion = dirty.intersect( newFrontBuffer->getBounds() ); 482d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 483d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // update the layer size and release freeze-lock 484d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian const Layer::State& front(drawingState()); 485d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian if (newFrontBuffer->getWidth() == front.requested_w && 486d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian newFrontBuffer->getHeight() == front.requested_h) 487df3e0b934f2822ea0a334777e51e681f04a64d7cMathias Agopian { 488d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian if ((front.w != front.requested_w) || 489d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian (front.h != front.requested_h)) 490d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian { 491d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // Here we pretend the transaction happened by updating the 492d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // current and drawing states. Drawing state is only accessed 493d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // in this thread, no need to have it locked 494d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian Layer::State& editDraw(mDrawingState); 495d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian editDraw.w = editDraw.requested_w; 496d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian editDraw.h = editDraw.requested_h; 497d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 498d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // We also need to update the current state so that we don't 499d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // end-up doing too much work during the next transaction. 500d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // NOTE: We actually don't need hold the transaction lock here 501d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // because State::w and State::h are only accessed from 502d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // this thread 503d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian Layer::State& editTemp(currentState()); 504d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian editTemp.w = editDraw.w; 505d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian editTemp.h = editDraw.h; 506d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 507d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // recompute visible region 508d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian recomputeVisibleRegions = true; 509d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian } 5108f2d50521653f24c2a5e77b627dc015c7fbd656aMathias Agopian 511d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // we now have the correct size, unfreeze the screen 512d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian mFreezeLock.clear(); 513d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian } 514d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian } else { 515d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // this should not happen unless we ran out of memory while 516d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // allocating the buffer. we're hoping that things will get back 517d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // to normal the next time the app tries to draw into this buffer. 518d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // meanwhile, pretend the screen didn't update. 519d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian mPostedDirtyRegion.clear(); 520caa600c4a1af1eefd108cf2ec3d86068af35111fMathias Agopian } 521caa600c4a1af1eefd108cf2ec3d86068af35111fMathias Agopian 522e700501d0e888ead9ac6456c0a6fd74d634aa5fbMathias Agopian if (lcblk->getQueuedCount()) { 523e700501d0e888ead9ac6456c0a6fd74d634aa5fbMathias Agopian // signal an event if we have more buffers waiting 524e700501d0e888ead9ac6456c0a6fd74d634aa5fbMathias Agopian mFlinger->signalEvent(); 525e700501d0e888ead9ac6456c0a6fd74d634aa5fbMathias Agopian } 526edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 527245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian /* a buffer was posted, so we need to call reloadTexture(), which 528245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * will update our internal data structures (eg: EGLImageKHR or 529245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * texture names). we need to do this even if mPostedDirtyRegion is 530245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * empty -- it's orthogonal to the fact that a new buffer was posted, 531245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * for instance, a degenerate case could be that the user did an empty 532245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * update but repainted the buffer with appropriate content (after a 533245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * resize for instance). 534245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian */ 535245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian reloadTexture( mPostedDirtyRegion ); 536edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 537edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 538edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Layer::unlockPageFlip( 539edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Transform& planeTransform, Region& outDirtyRegion) 540edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 541edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Region dirtyRegion(mPostedDirtyRegion); 542edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!dirtyRegion.isEmpty()) { 543edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPostedDirtyRegion.clear(); 544edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // The dirty region is given in the layer's coordinate space 545edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // transform the dirty region by the surface's transformation 546edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // and the global transformation. 547edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Layer::State& s(drawingState()); 548edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Transform tr(planeTransform * s.transform); 549edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project dirtyRegion = tr.transform(dirtyRegion); 550edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 551edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // At this point, the dirty region is in screen space. 552edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Make sure it's constrained by the visible region (which 553edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // is in screen space as well). 554edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project dirtyRegion.andSelf(visibleRegionScreen); 555edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project outDirtyRegion.orSelf(dirtyRegion); 556edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 557c61de17f143b5f806c5bab9cc58910a322302b70Mathias Agopian if (visibleRegionScreen.isEmpty()) { 558c61de17f143b5f806c5bab9cc58910a322302b70Mathias Agopian // an invisible layer should not hold a freeze-lock 5591b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian // (because it may never be updated and therefore never release it) 560c61de17f143b5f806c5bab9cc58910a322302b70Mathias Agopian mFreezeLock.clear(); 561c61de17f143b5f806c5bab9cc58910a322302b70Mathias Agopian } 562edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 563edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 564edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Layer::finishPageFlip() 565edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 566b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 567b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 568b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (lcblk) { 56996f0819f81293076e652792794a961543e6750d7Mathias Agopian int buf = mBufferManager.getActiveBufferIndex(); 570b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (buf >= 0) { 571b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian status_t err = lcblk->unlock( buf ); 572b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian LOGE_IF(err!=NO_ERROR, 573b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian "layer %p, buffer=%d wasn't locked!", 574b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian this, buf); 575b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian } 57696f0819f81293076e652792794a961543e6750d7Mathias Agopian } 577edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 578edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 5791b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian 5801b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopianvoid Layer::dump(String8& result, char* buffer, size_t SIZE) const 5811b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian{ 5821b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian LayerBaseClient::dump(result, buffer, SIZE); 5831b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian 584b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 585b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 586b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian uint32_t totalTime = 0; 587b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (lcblk) { 588b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferStack::Statistics stats = lcblk->getStats(); 589b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian totalTime= stats.totalTime; 590b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian result.append( lcblk->dump(" ") ); 591b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian } 592b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 5931b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian sp<const GraphicBuffer> buf0(getBuffer(0)); 5941b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian sp<const GraphicBuffer> buf1(getBuffer(1)); 5951b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian uint32_t w0=0, h0=0, s0=0; 5961b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian uint32_t w1=0, h1=0, s1=0; 5971b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian if (buf0 != 0) { 5981b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian w0 = buf0->getWidth(); 5991b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian h0 = buf0->getHeight(); 6001b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian s0 = buf0->getStride(); 6011b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian } 6021b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian if (buf1 != 0) { 6031b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian w1 = buf1->getWidth(); 6041b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian h1 = buf1->getHeight(); 6051b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian s1 = buf1->getStride(); 6061b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian } 6071b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian snprintf(buffer, SIZE, 6081b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian " " 6091b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian "format=%2d, [%3ux%3u:%3u] [%3ux%3u:%3u]," 6101b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian " freezeLock=%p, dq-q-time=%u us\n", 611b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mFormat, w0, h0, s0, w1, h1, s1, 612b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian getFreezeLock().get(), totalTime); 6131b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian 6141b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian result.append(buffer); 6151b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian} 6161b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian 617076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian// --------------------------------------------------------------------------- 618076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 619b7e930db175c192464cebdeb49eb56cf6dd60114Mathias AgopianLayer::ClientRef::ClientRef() 620579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian : mControlBlock(0), mToken(-1) { 621b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 622b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 623b7e930db175c192464cebdeb49eb56cf6dd60114Mathias AgopianLayer::ClientRef::~ClientRef() { 624b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 625b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 626b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopianint32_t Layer::ClientRef::getToken() const { 627b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian Mutex::Autolock _l(mLock); 628b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return mToken; 629b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 630b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 631579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopiansp<UserClient> Layer::ClientRef::getClient() const { 632579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian Mutex::Autolock _l(mLock); 633579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian return mUserClient.promote(); 634579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian} 635579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 636b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopianstatus_t Layer::ClientRef::setToken(const sp<UserClient>& uc, 637579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian const sp<SharedBufferServer>& sharedClient, int32_t token) { 638b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian Mutex::Autolock _l(mLock); 639579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 640579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian { // scope for strong mUserClient reference 641579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian sp<UserClient> userClient(mUserClient.promote()); 642579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian if (mUserClient != 0 && mControlBlock != 0) { 643579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian mControlBlock->setStatus(NO_INIT); 644579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian } 645579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian } 646579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 647b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mUserClient = uc; 648b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mToken = token; 649579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian mControlBlock = sharedClient; 650b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return NO_ERROR; 651b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 652b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 653b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopiansp<UserClient> Layer::ClientRef::getUserClientUnsafe() const { 654b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return mUserClient.promote(); 655b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 656b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 657b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian// this class gives us access to SharedBufferServer safely 658b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian// it makes sure the UserClient (and its associated shared memory) 659b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian// won't go away while we're accessing it. 660b7e930db175c192464cebdeb49eb56cf6dd60114Mathias AgopianLayer::ClientRef::Access::Access(const ClientRef& ref) 661579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian : mControlBlock(0) 662b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian{ 663b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian Mutex::Autolock _l(ref.mLock); 664b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mUserClientStrongRef = ref.mUserClient.promote(); 665b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (mUserClientStrongRef != 0) 666579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian mControlBlock = ref.mControlBlock; 667579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian} 668579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 669579b3f88d03d06b897b778bd11818f5104677d1dMathias AgopianLayer::ClientRef::Access::~Access() 670579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian{ 671b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 672b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 673b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian// --------------------------------------------------------------------------- 674b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 675d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias AgopianLayer::BufferManager::BufferManager(TextureManager& tm) 676bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian : mNumBuffers(NUM_BUFFERS), mTextureManager(tm), 677b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mActiveBuffer(-1), mFailover(false) 678bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian{ 679bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian} 680bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian 681bb641244d7d73312dc65b8e338df18b22e335107Mathias AgopianLayer::BufferManager::~BufferManager() 682d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 683d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 684d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 685bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopianstatus_t Layer::BufferManager::resize(size_t size) 686bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian{ 687bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian Mutex::Autolock _l(mLock); 688bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian mNumBuffers = size; 689bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian return NO_ERROR; 690d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 691d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 692d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian// only for debugging 693d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopiansp<GraphicBuffer> Layer::BufferManager::getBuffer(size_t index) const { 694d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return mBufferData[index].buffer; 695d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 696d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 697d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::setActiveBufferIndex(size_t index) { 698d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian mActiveBuffer = index; 699d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return NO_ERROR; 700d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 701d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 702d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopiansize_t Layer::BufferManager::getActiveBufferIndex() const { 703d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return mActiveBuffer; 704d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 705d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 706d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias AgopianTexture Layer::BufferManager::getActiveTexture() const { 707bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian Texture res; 708b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (mFailover || mActiveBuffer<0) { 709bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian res = mFailoverTexture; 710bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } else { 711bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian static_cast<Image&>(res) = mBufferData[mActiveBuffer].texture; 712bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 713bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian return res; 714d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 715d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 716d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopiansp<GraphicBuffer> Layer::BufferManager::getActiveBuffer() const { 717b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian sp<GraphicBuffer> result; 718b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian const ssize_t activeBuffer = mActiveBuffer; 719b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (activeBuffer >= 0) { 720b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian BufferData const * const buffers = mBufferData; 721b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian Mutex::Autolock _l(mLock); 722b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian result = buffers[activeBuffer].buffer; 723b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian } 724b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return result; 725d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 726d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 727d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopiansp<GraphicBuffer> Layer::BufferManager::detachBuffer(size_t index) 728d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 729bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian BufferData* const buffers = mBufferData; 730d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian sp<GraphicBuffer> buffer; 731d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian Mutex::Autolock _l(mLock); 732bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffer = buffers[index].buffer; 733bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffers[index].buffer = 0; 734d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return buffer; 735d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 736d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 737d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::attachBuffer(size_t index, 738d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian const sp<GraphicBuffer>& buffer) 739d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 740bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian BufferData* const buffers = mBufferData; 741d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian Mutex::Autolock _l(mLock); 742bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffers[index].buffer = buffer; 743bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffers[index].texture.dirty = true; 744d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return NO_ERROR; 745d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 746d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 747d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::destroy(EGLDisplay dpy) 748d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 749bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian BufferData* const buffers = mBufferData; 750bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian size_t num; 751bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian { // scope for the lock 752bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian Mutex::Autolock _l(mLock); 753bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian num = mNumBuffers; 754bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian for (size_t i=0 ; i<num ; i++) { 755bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffers[i].buffer = 0; 756bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 757bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 758bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian for (size_t i=0 ; i<num ; i++) { 759bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian destroyTexture(&buffers[i].texture, dpy); 760d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian } 761d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian destroyTexture(&mFailoverTexture, dpy); 762d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return NO_ERROR; 763d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 764d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 765d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::initEglImage(EGLDisplay dpy, 766d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian const sp<GraphicBuffer>& buffer) 767d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 768b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian status_t err = NO_INIT; 769b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ssize_t index = mActiveBuffer; 770b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (index >= 0) { 7711f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian if (!mFailover) { 7721f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian Image& texture(mBufferData[index].texture); 7731f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian err = mTextureManager.initEglImage(&texture, dpy, buffer); 7741f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian // if EGLImage fails, we switch to regular texture mode, and we 7751f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian // free all resources associated with using EGLImages. 7761f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian if (err == NO_ERROR) { 7771f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian mFailover = false; 7781f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian destroyTexture(&mFailoverTexture, dpy); 7791f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian } else { 7801f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian mFailover = true; 7811f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian const size_t num = mNumBuffers; 7821f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian for (size_t i=0 ; i<num ; i++) { 7831f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian destroyTexture(&mBufferData[i].texture, dpy); 7841f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian } 785e049a957ce2a529564a1312dca60e86d0bcb0964Andreas Huber } 7861f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian } else { 7871f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian // we failed once, don't try again 7881f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian err = BAD_VALUE; 789d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian } 790d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian } 791d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return err; 792d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 793d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 794d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::loadTexture( 795d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian const Region& dirty, const GGLSurface& t) 796d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 797d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return mTextureManager.loadTexture(&mFailoverTexture, dirty, t); 798d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 799d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 800bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopianstatus_t Layer::BufferManager::destroyTexture(Image* tex, EGLDisplay dpy) 801bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian{ 802bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian if (tex->name != -1U) { 803bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian glDeleteTextures(1, &tex->name); 804bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian tex->name = -1U; 805bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 806bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian if (tex->image != EGL_NO_IMAGE_KHR) { 807bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian eglDestroyImageKHR(dpy, tex->image); 808bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian tex->image = EGL_NO_IMAGE_KHR; 809bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 810bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian return NO_ERROR; 811bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian} 812bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian 813d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian// --------------------------------------------------------------------------- 814d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 8159a11206fe793363c0e8897b478cbe6ef8c52b543Mathias AgopianLayer::SurfaceLayer::SurfaceLayer(const sp<SurfaceFlinger>& flinger, 81696f0819f81293076e652792794a961543e6750d7Mathias Agopian const sp<Layer>& owner) 81796f0819f81293076e652792794a961543e6750d7Mathias Agopian : Surface(flinger, owner->getIdentity(), owner) 8189a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopian{ 8199a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopian} 8209a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopian 8219a11206fe793363c0e8897b478cbe6ef8c52b543Mathias AgopianLayer::SurfaceLayer::~SurfaceLayer() 822076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 823076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 824076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 825a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopiansp<GraphicBuffer> Layer::SurfaceLayer::requestBuffer(int index, 826a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian uint32_t w, uint32_t h, uint32_t format, uint32_t usage) 827076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 8283330b203039dea366d4981db1408a460134b2d2cMathias Agopian sp<GraphicBuffer> buffer; 829076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian sp<Layer> owner(getOwner()); 830076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (owner != 0) { 831bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian /* 832bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * requestBuffer() cannot be called from the main thread 833bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * as it could cause a dead-lock, since it may have to wait 834bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * on conditions updated my the main thread. 835bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian */ 836a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian buffer = owner->requestBuffer(index, w, h, format, usage); 837076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 838076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian return buffer; 839076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 840edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 841b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopianstatus_t Layer::SurfaceLayer::setBufferCount(int bufferCount) 842b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian{ 843b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian status_t err = DEAD_OBJECT; 844b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian sp<Layer> owner(getOwner()); 845b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian if (owner != 0) { 846bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian /* 847bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * setBufferCount() cannot be called from the main thread 848bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * as it could cause a dead-lock, since it may have to wait 849bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * on conditions updated my the main thread. 850bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian */ 851b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian err = owner->setBufferCount(bufferCount); 852b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian } 853b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian return err; 854b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian} 855b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian 856edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 857edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 858edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 859edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 860