Layer.cpp revision eff062c49e858d0dd94a1e57f6115bc84dba103e
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; 165ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian mWidth = w; 166cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian mHeight = h; 167eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian 168eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian mReqFormat = format; 169eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian mReqWidth = w; 170eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian mReqHeight = h; 171eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian 1723330b203039dea366d4981db1408a460134b2d2cMathias Agopian mSecure = (flags & ISurfaceComposer::eSecure) ? true : false; 173edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mNeedsBlending = (info.h_alpha - info.l_alpha) > 0; 174ca99fb8f65f3ea249c56fb6dccefffb54e87696eMathias Agopian 175401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian // we use the red index 176401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED); 177401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED); 178401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian mNeedsDithering = layerRedsize > displayRedSize; 179401c257fba770a267f637184b1f532b4e03bed20Mathias Agopian 18096f0819f81293076e652792794a961543e6750d7Mathias Agopian mSurface = new SurfaceLayer(mFlinger, this); 181edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 182edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 183edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 184edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Layer::reloadTexture(const Region& dirty) 185edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 186d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian sp<GraphicBuffer> buffer(mBufferManager.getActiveBuffer()); 1878f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian if (buffer == NULL) { 1888f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian // this situation can happen if we ran out of memory for instance. 1898f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian // not much we can do. continue to use whatever texture was bound 1908f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian // to this context. 1918f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian return; 1928f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian } 1938f03b47432f007b1fb3438608361ebf4e3a1310bMathias Agopian 1941f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian if (mGLExtensions.haveDirectTexture()) { 195d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian EGLDisplay dpy(mFlinger->graphicPlane(0).getEGLDisplay()); 196d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian if (mBufferManager.initEglImage(dpy, buffer) != NO_ERROR) { 197d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian // not sure what we can do here... 198d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian goto slowpath; 199076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 2001f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian } else { 201fcfeb4b5970c8f361634429934a2518d7e8328ddMathias Agopianslowpath: 202076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian GGLSurface t; 203f1b38247d4d9c2ddc7315a72b609a95e0ed8050fMathias Agopian if (buffer->usage & GRALLOC_USAGE_SW_READ_MASK) { 204f1b38247d4d9c2ddc7315a72b609a95e0ed8050fMathias Agopian status_t res = buffer->lock(&t, GRALLOC_USAGE_SW_READ_OFTEN); 205f1b38247d4d9c2ddc7315a72b609a95e0ed8050fMathias Agopian LOGE_IF(res, "error %d (%s) locking buffer %p", 206f1b38247d4d9c2ddc7315a72b609a95e0ed8050fMathias Agopian res, strerror(res), buffer.get()); 207f1b38247d4d9c2ddc7315a72b609a95e0ed8050fMathias Agopian if (res == NO_ERROR) { 208f1b38247d4d9c2ddc7315a72b609a95e0ed8050fMathias Agopian mBufferManager.loadTexture(dirty, t); 209f1b38247d4d9c2ddc7315a72b609a95e0ed8050fMathias Agopian buffer->unlock(); 210f1b38247d4d9c2ddc7315a72b609a95e0ed8050fMathias Agopian } 211f1b38247d4d9c2ddc7315a72b609a95e0ed8050fMathias Agopian } else { 212f1b38247d4d9c2ddc7315a72b609a95e0ed8050fMathias Agopian // we can't do anything 213076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 214edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 215edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 216edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 217edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Layer::onDraw(const Region& clip) const 218edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 219d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian Texture tex(mBufferManager.getActiveTexture()); 220d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian if (tex.name == -1LU) { 221edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // the texture has not been created yet, this Layer has 222179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // in fact never been drawn into. This happens frequently with 223179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // SurfaceView because the WindowManager can't know when the client 224179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // has drawn the first time. 225179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian 226179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // If there is nothing under us, we paint the screen in black, otherwise 227179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // we just skip this update. 228179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian 229179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // figure out if there is something below us 230179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian Region under; 231179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian const SurfaceFlinger::LayerVector& drawingLayers(mFlinger->mDrawingState.layersSortedByZ); 232179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian const size_t count = drawingLayers.size(); 233179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian for (size_t i=0 ; i<count ; ++i) { 234179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian const sp<LayerBase>& layer(drawingLayers[i]); 235179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian if (layer.get() == static_cast<LayerBase const*>(this)) 236179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian break; 237179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian under.orSelf(layer->visibleRegionScreen); 238179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian } 239179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian // if not everything below us is covered, we plug the holes! 240179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian Region holes(clip.subtract(under)); 241179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian if (!holes.isEmpty()) { 2420a91775c4df380d6a5b7f3ccad5127388ac01306Mathias Agopian clearWithOpenGL(holes, 0, 0, 0, 1); 243179169e88e05261196b76d7ddf94aa870aafaf9aMathias Agopian } 244edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return; 245edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 246d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian drawWithOpenGL(clip, tex); 247edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 248edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 249a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopianbool Layer::needsFiltering() const 250a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian{ 251a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian if (!(mFlags & DisplayHardware::SLOW_CONFIG)) { 252a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian // NOTE: there is a race here, because mFixedSize is updated in a 253a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian // binder transaction. however, it doesn't really matter since it is 254a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian // evaluated each time we draw. To be perfectly correct, this flag 255a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian // would have to be associated with a buffer. 256a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian if (mFixedSize) 257a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian return true; 258a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian } 259a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian return LayerBase::needsFiltering(); 260a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian} 261a7f669256f93a593c723f05784ef04d3c7d052bbMathias Agopian 262b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian 263b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopianstatus_t Layer::setBufferCount(int bufferCount) 264b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian{ 265b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 266b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 267b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (!lcblk) { 268b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian // oops, the client is already gone 269b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian return DEAD_OBJECT; 270b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian } 271b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian 272bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian // NOTE: lcblk->resize() is protected by an internal lock 273bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian status_t err = lcblk->resize(bufferCount); 274bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian if (err == NO_ERROR) 275bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian mBufferManager.resize(bufferCount); 276b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian 277b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian return err; 278b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian} 279b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian 280a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopiansp<GraphicBuffer> Layer::requestBuffer(int index, 281a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian uint32_t reqWidth, uint32_t reqHeight, uint32_t reqFormat, 282a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian uint32_t usage) 283edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 2843330b203039dea366d4981db1408a460134b2d2cMathias Agopian sp<GraphicBuffer> buffer; 28548d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian 286b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (int32_t(reqWidth | reqHeight | reqFormat) < 0) 287a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian return buffer; 288a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian 289a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if ((!reqWidth && reqHeight) || (reqWidth && !reqHeight)) 290a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian return buffer; 291a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian 29248d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian // this ensures our client doesn't go away while we're accessing 29348d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian // the shared area. 294b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 295b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 296b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (!lcblk) { 29748d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian // oops, the client is already gone 29848d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian return buffer; 29948d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian } 30048d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian 301076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian /* 302cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian * This is called from the client's Surface::dequeue(). This can happen 303cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian * at any time, especially while we're in the middle of using the 304cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian * buffer 'index' as our front buffer. 305076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian */ 30648d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian 307208cb0772429b9ac800010829ecc7b854bdc2d24Mathias Agopian status_t err = NO_ERROR; 308a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian uint32_t w, h, f; 30948d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian { // scope for the lock 31048d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian Mutex::Autolock _l(mLock); 311eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian 312eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian // zero means default 313eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian if (!reqFormat) reqFormat = mFormat; 314eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian if (!reqWidth) reqWidth = mWidth; 315eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian if (!reqHeight) reqHeight = mHeight; 316eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian 317eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian w = reqWidth; 318eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian h = reqHeight; 319eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian f = reqFormat; 320eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian 321eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian if ((reqWidth != mReqWidth) || (reqHeight != mReqHeight) || 322eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian (reqFormat != mReqFormat)) { 323eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian mReqWidth = reqWidth; 324eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian mReqHeight = reqHeight; 325eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian mReqFormat = reqFormat; 326eff062c49e858d0dd94a1e57f6115bc84dba103eMathias Agopian 327a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian lcblk->reallocateAllExcept(index); 328a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian } 32948d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian } 33048d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian 331208cb0772429b9ac800010829ecc7b854bdc2d24Mathias Agopian // here we have to reallocate a new buffer because the buffer could be 332208cb0772429b9ac800010829ecc7b854bdc2d24Mathias Agopian // used as the front buffer, or by a client in our process 333208cb0772429b9ac800010829ecc7b854bdc2d24Mathias Agopian // (eg: status bar), and we can't release the handle under its feet. 3343330b203039dea366d4981db1408a460134b2d2cMathias Agopian const uint32_t effectiveUsage = getEffectiveUsage(usage); 335208cb0772429b9ac800010829ecc7b854bdc2d24Mathias Agopian buffer = new GraphicBuffer(w, h, f, effectiveUsage); 336208cb0772429b9ac800010829ecc7b854bdc2d24Mathias Agopian err = buffer->initCheck(); 337cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian 338cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian if (err || buffer->handle == 0) { 339cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian LOGE_IF(err || buffer->handle == 0, 340cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian "Layer::requestBuffer(this=%p), index=%d, w=%d, h=%d failed (%s)", 341cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian this, index, w, h, strerror(-err)); 342edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 343cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian LOGD_IF(DEBUG_RESIZE, 3447e4a587f6038bcf9b58ca615fce9e52fd47e30c3Mathias Agopian "Layer::requestBuffer(this=%p), index=%d, w=%d, h=%d, handle=%p", 3457e4a587f6038bcf9b58ca615fce9e52fd47e30c3Mathias Agopian this, index, w, h, buffer->handle); 346edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 347edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 348cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian if (err == NO_ERROR && buffer->handle != 0) { 34948d819a1315f7d1b5abfec9d4fd34fb5aed27b1dMathias Agopian Mutex::Autolock _l(mLock); 350a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mBufferManager.attachBuffer(index, buffer); 351f9d932774e06d5122c48b47d8cabd791783f56d2Mathias Agopian } 352cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian return buffer; 353f9d932774e06d5122c48b47d8cabd791783f56d2Mathias Agopian} 354f9d932774e06d5122c48b47d8cabd791783f56d2Mathias Agopian 3553330b203039dea366d4981db1408a460134b2d2cMathias Agopianuint32_t Layer::getEffectiveUsage(uint32_t usage) const 3563330b203039dea366d4981db1408a460134b2d2cMathias Agopian{ 3573330b203039dea366d4981db1408a460134b2d2cMathias Agopian /* 3583330b203039dea366d4981db1408a460134b2d2cMathias Agopian * buffers used for software rendering, but h/w composition 3593330b203039dea366d4981db1408a460134b2d2cMathias Agopian * are allocated with SW_READ_OFTEN | SW_WRITE_OFTEN | HW_TEXTURE 3603330b203039dea366d4981db1408a460134b2d2cMathias Agopian * 3613330b203039dea366d4981db1408a460134b2d2cMathias Agopian * buffers used for h/w rendering and h/w composition 3623330b203039dea366d4981db1408a460134b2d2cMathias Agopian * are allocated with HW_RENDER | HW_TEXTURE 3633330b203039dea366d4981db1408a460134b2d2cMathias Agopian * 3643330b203039dea366d4981db1408a460134b2d2cMathias Agopian * buffers used with h/w rendering and either NPOT or no egl_image_ext 3653330b203039dea366d4981db1408a460134b2d2cMathias Agopian * are allocated with SW_READ_RARELY | HW_RENDER 3663330b203039dea366d4981db1408a460134b2d2cMathias Agopian * 3673330b203039dea366d4981db1408a460134b2d2cMathias Agopian */ 3683330b203039dea366d4981db1408a460134b2d2cMathias Agopian 3693330b203039dea366d4981db1408a460134b2d2cMathias Agopian if (mSecure) { 3703330b203039dea366d4981db1408a460134b2d2cMathias Agopian // secure buffer, don't store it into the GPU 3713330b203039dea366d4981db1408a460134b2d2cMathias Agopian usage = GraphicBuffer::USAGE_SW_READ_OFTEN | 3723330b203039dea366d4981db1408a460134b2d2cMathias Agopian GraphicBuffer::USAGE_SW_WRITE_OFTEN; 3733330b203039dea366d4981db1408a460134b2d2cMathias Agopian } else { 3743330b203039dea366d4981db1408a460134b2d2cMathias Agopian // it's allowed to modify the usage flags here, but generally 3753330b203039dea366d4981db1408a460134b2d2cMathias Agopian // the requested flags should be honored. 37689141f949270100d1cacecf99cc2ff25fce79087Mathias Agopian // request EGLImage for all buffers 37789141f949270100d1cacecf99cc2ff25fce79087Mathias Agopian usage |= GraphicBuffer::USAGE_HW_TEXTURE; 3783330b203039dea366d4981db1408a460134b2d2cMathias Agopian } 3793330b203039dea366d4981db1408a460134b2d2cMathias Agopian return usage; 3803330b203039dea366d4981db1408a460134b2d2cMathias Agopian} 3813330b203039dea366d4981db1408a460134b2d2cMathias Agopian 382edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectuint32_t Layer::doTransaction(uint32_t flags) 383edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 384edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Layer::State& front(drawingState()); 385edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Layer::State& temp(currentState()); 386edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 387a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian const bool sizeChanged = (front.requested_w != temp.requested_w) || 388a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian (front.requested_h != temp.requested_h); 389a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian 390a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (sizeChanged) { 391cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // the size changed, we need to ask our client to request a new buffer 392edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOGD_IF(DEBUG_RESIZE, 393a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian "resize (layer=%p), requested (%dx%d), drawing (%d,%d)", 394a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian this, 395a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian int(temp.requested_w), int(temp.requested_h), 396a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian int(front.requested_w), int(front.requested_h)); 397a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian 398a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (!isFixedSize()) { 399a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // we're being resized and there is a freeze display request, 400a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // acquire a freeze lock, so that the screen stays put 401a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // until we've redrawn at the new size; this is to avoid 402a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // glitches upon orientation changes. 403a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (mFlinger->hasFreezeRequest()) { 404a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // if the surface is hidden, don't try to acquire the 405a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // freeze lock, since hidden surfaces may never redraw 406a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian if (!(front.flags & ISurfaceComposer::eLayerHidden)) { 407a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian mFreezeLock = mFlinger->getFreezeLock(); 408a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian } 409edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 410caa600c4a1af1eefd108cf2ec3d86068af35111fMathias Agopian 411a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // this will make sure LayerBase::doTransaction doesn't update 412a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // the drawing state's size 413a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian Layer::State& editDraw(mDrawingState); 414a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian editDraw.requested_w = temp.requested_w; 415a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian editDraw.requested_h = temp.requested_h; 416df3e0b934f2822ea0a334777e51e681f04a64d7cMathias Agopian 417a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // record the new size, form this point on, when the client request 418a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // a buffer, it'll get the new size. 419a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian setBufferSize(temp.requested_w, temp.requested_h); 4206656dbc81273424d9b4bf78c42a4e179dbe1cb71Mathias Agopian 421b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 422b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 423b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (lcblk) { 42496f0819f81293076e652792794a961543e6750d7Mathias Agopian // all buffers need reallocation 42596f0819f81293076e652792794a961543e6750d7Mathias Agopian lcblk->reallocateAll(); 42696f0819f81293076e652792794a961543e6750d7Mathias Agopian } 427a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian } else { 428a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian // record the new size 429a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian setBufferSize(temp.requested_w, temp.requested_h); 430a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian } 431edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 432cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian 433edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (temp.sequence != front.sequence) { 434edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (temp.flags & ISurfaceComposer::eLayerHidden || temp.alpha == 0) { 435edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // this surface is now hidden, so it shouldn't hold a freeze lock 436edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // (it may never redraw, which is fine if it is hidden) 437edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mFreezeLock.clear(); 438edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 439edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 440edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 441edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return LayerBase::doTransaction(flags); 442edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 443edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 444a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopianvoid Layer::setBufferSize(uint32_t w, uint32_t h) { 445cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian Mutex::Autolock _l(mLock); 446cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian mWidth = w; 447cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian mHeight = h; 448edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 449edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 450a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopianbool Layer::isFixedSize() const { 451a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian Mutex::Autolock _l(mLock); 452a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian return mFixedSize; 453a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian} 454a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian 455edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 456edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// pageflip handling... 457edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 458edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 459edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Layer::lockPageFlip(bool& recomputeVisibleRegions) 460edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 461b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 462b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 463b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (!lcblk) { 46496f0819f81293076e652792794a961543e6750d7Mathias Agopian // client died 46596f0819f81293076e652792794a961543e6750d7Mathias Agopian recomputeVisibleRegions = true; 46696f0819f81293076e652792794a961543e6750d7Mathias Agopian return; 46796f0819f81293076e652792794a961543e6750d7Mathias Agopian } 46896f0819f81293076e652792794a961543e6750d7Mathias Agopian 469cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian ssize_t buf = lcblk->retireAndLock(); 470d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian if (buf == NOT_ENOUGH_DATA) { 471d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian // NOTE: This is not an error, it simply means there is nothing to 472d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian // retire. The buffer is locked because we will use it 473cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // for composition later in the loop 474edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return; 475edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 476d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 477d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian if (buf < NO_ERROR) { 478b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian LOGE("retireAndLock() buffer index (%d) out of range", int(buf)); 479d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian mPostedDirtyRegion.clear(); 480d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian return; 481d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian } 482d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 483cbb288bfe89f585bf48371bd31b2d4aafa32f32eMathias Agopian // we retired a buffer, which becomes the new front buffer 484d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian if (mBufferManager.setActiveBufferIndex(buf) < NO_ERROR) { 485b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian LOGE("retireAndLock() buffer index (%d) out of range", int(buf)); 486d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian mPostedDirtyRegion.clear(); 487d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return; 488d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian } 489edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 4903330b203039dea366d4981db1408a460134b2d2cMathias Agopian sp<GraphicBuffer> newFrontBuffer(getBuffer(buf)); 491d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian if (newFrontBuffer != NULL) { 492b661d66013b9803c50dc78ca0247ac39caef443aMathias Agopian // get the dirty region 493d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // compute the posted region 494d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian const Region dirty(lcblk->getDirtyRegion(buf)); 495d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian mPostedDirtyRegion = dirty.intersect( newFrontBuffer->getBounds() ); 496d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 497d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // update the layer size and release freeze-lock 498d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian const Layer::State& front(drawingState()); 499d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian if (newFrontBuffer->getWidth() == front.requested_w && 500d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian newFrontBuffer->getHeight() == front.requested_h) 501df3e0b934f2822ea0a334777e51e681f04a64d7cMathias Agopian { 502d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian if ((front.w != front.requested_w) || 503d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian (front.h != front.requested_h)) 504d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian { 505d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // Here we pretend the transaction happened by updating the 506d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // current and drawing states. Drawing state is only accessed 507d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // in this thread, no need to have it locked 508d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian Layer::State& editDraw(mDrawingState); 509d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian editDraw.w = editDraw.requested_w; 510d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian editDraw.h = editDraw.requested_h; 511d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 512d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // We also need to update the current state so that we don't 513d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // end-up doing too much work during the next transaction. 514d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // NOTE: We actually don't need hold the transaction lock here 515d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // because State::w and State::h are only accessed from 516d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // this thread 517d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian Layer::State& editTemp(currentState()); 518d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian editTemp.w = editDraw.w; 519d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian editTemp.h = editDraw.h; 520d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian 521d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // recompute visible region 522d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian recomputeVisibleRegions = true; 523d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian } 5248f2d50521653f24c2a5e77b627dc015c7fbd656aMathias Agopian 525d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // we now have the correct size, unfreeze the screen 526d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian mFreezeLock.clear(); 527d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian } 528b661d66013b9803c50dc78ca0247ac39caef443aMathias Agopian 529b661d66013b9803c50dc78ca0247ac39caef443aMathias Agopian // get the crop region 530b661d66013b9803c50dc78ca0247ac39caef443aMathias Agopian setBufferCrop( lcblk->getCrop(buf) ); 531b661d66013b9803c50dc78ca0247ac39caef443aMathias Agopian 532b661d66013b9803c50dc78ca0247ac39caef443aMathias Agopian // get the transformation 533b661d66013b9803c50dc78ca0247ac39caef443aMathias Agopian setBufferTransform( lcblk->getTransform(buf) ); 534b661d66013b9803c50dc78ca0247ac39caef443aMathias Agopian 535d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian } else { 536d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // this should not happen unless we ran out of memory while 537d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // allocating the buffer. we're hoping that things will get back 538d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // to normal the next time the app tries to draw into this buffer. 539d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian // meanwhile, pretend the screen didn't update. 540d343e3d5e3177806205b9452b0b43907e28afd9aMathias Agopian mPostedDirtyRegion.clear(); 541caa600c4a1af1eefd108cf2ec3d86068af35111fMathias Agopian } 542caa600c4a1af1eefd108cf2ec3d86068af35111fMathias Agopian 543e700501d0e888ead9ac6456c0a6fd74d634aa5fbMathias Agopian if (lcblk->getQueuedCount()) { 544e700501d0e888ead9ac6456c0a6fd74d634aa5fbMathias Agopian // signal an event if we have more buffers waiting 545e700501d0e888ead9ac6456c0a6fd74d634aa5fbMathias Agopian mFlinger->signalEvent(); 546e700501d0e888ead9ac6456c0a6fd74d634aa5fbMathias Agopian } 547edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 548245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian /* a buffer was posted, so we need to call reloadTexture(), which 549245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * will update our internal data structures (eg: EGLImageKHR or 550245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * texture names). we need to do this even if mPostedDirtyRegion is 551245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * empty -- it's orthogonal to the fact that a new buffer was posted, 552245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * for instance, a degenerate case could be that the user did an empty 553245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * update but repainted the buffer with appropriate content (after a 554245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian * resize for instance). 555245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian */ 556245e4d78c5fb304fe153c36303ec69bf8a907f65Mathias Agopian reloadTexture( mPostedDirtyRegion ); 557edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 558edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 559edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Layer::unlockPageFlip( 560edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Transform& planeTransform, Region& outDirtyRegion) 561edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 562edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Region dirtyRegion(mPostedDirtyRegion); 563edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!dirtyRegion.isEmpty()) { 564edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPostedDirtyRegion.clear(); 565edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // The dirty region is given in the layer's coordinate space 566edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // transform the dirty region by the surface's transformation 567edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // and the global transformation. 568edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Layer::State& s(drawingState()); 569edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const Transform tr(planeTransform * s.transform); 570edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project dirtyRegion = tr.transform(dirtyRegion); 571edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 572edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // At this point, the dirty region is in screen space. 573edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Make sure it's constrained by the visible region (which 574edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // is in screen space as well). 575edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project dirtyRegion.andSelf(visibleRegionScreen); 576edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project outDirtyRegion.orSelf(dirtyRegion); 577edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 578c61de17f143b5f806c5bab9cc58910a322302b70Mathias Agopian if (visibleRegionScreen.isEmpty()) { 579c61de17f143b5f806c5bab9cc58910a322302b70Mathias Agopian // an invisible layer should not hold a freeze-lock 5801b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian // (because it may never be updated and therefore never release it) 581c61de17f143b5f806c5bab9cc58910a322302b70Mathias Agopian mFreezeLock.clear(); 582c61de17f143b5f806c5bab9cc58910a322302b70Mathias Agopian } 583edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 584edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 585edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Layer::finishPageFlip() 586edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 587b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 588b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 589b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (lcblk) { 59096f0819f81293076e652792794a961543e6750d7Mathias Agopian int buf = mBufferManager.getActiveBufferIndex(); 591b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (buf >= 0) { 592b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian status_t err = lcblk->unlock( buf ); 593b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian LOGE_IF(err!=NO_ERROR, 594b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian "layer %p, buffer=%d wasn't locked!", 595b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian this, buf); 596b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian } 59796f0819f81293076e652792794a961543e6750d7Mathias Agopian } 598edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 599edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 6001b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian 6011b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopianvoid Layer::dump(String8& result, char* buffer, size_t SIZE) const 6021b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian{ 6031b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian LayerBaseClient::dump(result, buffer, SIZE); 6041b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian 605b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ClientRef::Access sharedClient(mUserClientRef); 606b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferServer* lcblk(sharedClient.get()); 607b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian uint32_t totalTime = 0; 608b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (lcblk) { 609b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian SharedBufferStack::Statistics stats = lcblk->getStats(); 610b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian totalTime= stats.totalTime; 611b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian result.append( lcblk->dump(" ") ); 612b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian } 613b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 6141b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian sp<const GraphicBuffer> buf0(getBuffer(0)); 6151b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian sp<const GraphicBuffer> buf1(getBuffer(1)); 6161b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian uint32_t w0=0, h0=0, s0=0; 6171b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian uint32_t w1=0, h1=0, s1=0; 6181b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian if (buf0 != 0) { 6191b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian w0 = buf0->getWidth(); 6201b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian h0 = buf0->getHeight(); 6211b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian s0 = buf0->getStride(); 6221b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian } 6231b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian if (buf1 != 0) { 6241b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian w1 = buf1->getWidth(); 6251b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian h1 = buf1->getHeight(); 6261b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian s1 = buf1->getStride(); 6271b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian } 6281b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian snprintf(buffer, SIZE, 6291b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian " " 6301b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian "format=%2d, [%3ux%3u:%3u] [%3ux%3u:%3u]," 6311b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian " freezeLock=%p, dq-q-time=%u us\n", 632b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mFormat, w0, h0, s0, w1, h1, s1, 633b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian getFreezeLock().get(), totalTime); 6341b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian 6351b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian result.append(buffer); 6361b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian} 6371b5e1021b8c9b87113b70d94dfb7b50f8c5b01b8Mathias Agopian 638076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian// --------------------------------------------------------------------------- 639076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 640b7e930db175c192464cebdeb49eb56cf6dd60114Mathias AgopianLayer::ClientRef::ClientRef() 641579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian : mControlBlock(0), mToken(-1) { 642b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 643b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 644b7e930db175c192464cebdeb49eb56cf6dd60114Mathias AgopianLayer::ClientRef::~ClientRef() { 645b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 646b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 647b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopianint32_t Layer::ClientRef::getToken() const { 648b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian Mutex::Autolock _l(mLock); 649b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return mToken; 650b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 651b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 652579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopiansp<UserClient> Layer::ClientRef::getClient() const { 653579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian Mutex::Autolock _l(mLock); 654579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian return mUserClient.promote(); 655579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian} 656579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 657b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopianstatus_t Layer::ClientRef::setToken(const sp<UserClient>& uc, 658579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian const sp<SharedBufferServer>& sharedClient, int32_t token) { 659b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian Mutex::Autolock _l(mLock); 660579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 661579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian { // scope for strong mUserClient reference 662579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian sp<UserClient> userClient(mUserClient.promote()); 663579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian if (mUserClient != 0 && mControlBlock != 0) { 664579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian mControlBlock->setStatus(NO_INIT); 665579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian } 666579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian } 667579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 668b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mUserClient = uc; 669b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mToken = token; 670579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian mControlBlock = sharedClient; 671b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return NO_ERROR; 672b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 673b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 674b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopiansp<UserClient> Layer::ClientRef::getUserClientUnsafe() const { 675b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return mUserClient.promote(); 676b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 677b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 678b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian// this class gives us access to SharedBufferServer safely 679b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian// it makes sure the UserClient (and its associated shared memory) 680b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian// won't go away while we're accessing it. 681b7e930db175c192464cebdeb49eb56cf6dd60114Mathias AgopianLayer::ClientRef::Access::Access(const ClientRef& ref) 682579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian : mControlBlock(0) 683b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian{ 684b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian Mutex::Autolock _l(ref.mLock); 685b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mUserClientStrongRef = ref.mUserClient.promote(); 686b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (mUserClientStrongRef != 0) 687579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian mControlBlock = ref.mControlBlock; 688579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian} 689579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian 690579b3f88d03d06b897b778bd11818f5104677d1dMathias AgopianLayer::ClientRef::Access::~Access() 691579b3f88d03d06b897b778bd11818f5104677d1dMathias Agopian{ 692b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian} 693b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 694b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian// --------------------------------------------------------------------------- 695b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian 696d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias AgopianLayer::BufferManager::BufferManager(TextureManager& tm) 697bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian : mNumBuffers(NUM_BUFFERS), mTextureManager(tm), 698b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian mActiveBuffer(-1), mFailover(false) 699bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian{ 700bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian} 701bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian 702bb641244d7d73312dc65b8e338df18b22e335107Mathias AgopianLayer::BufferManager::~BufferManager() 703d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 704d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 705d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 706bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopianstatus_t Layer::BufferManager::resize(size_t size) 707bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian{ 708bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian Mutex::Autolock _l(mLock); 709bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian mNumBuffers = size; 710bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian return NO_ERROR; 711d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 712d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 713d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian// only for debugging 714d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopiansp<GraphicBuffer> Layer::BufferManager::getBuffer(size_t index) const { 715d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return mBufferData[index].buffer; 716d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 717d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 718d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::setActiveBufferIndex(size_t index) { 719d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian mActiveBuffer = index; 720d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return NO_ERROR; 721d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 722d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 723d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopiansize_t Layer::BufferManager::getActiveBufferIndex() const { 724d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return mActiveBuffer; 725d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 726d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 727d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias AgopianTexture Layer::BufferManager::getActiveTexture() const { 728bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian Texture res; 729b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (mFailover || mActiveBuffer<0) { 730bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian res = mFailoverTexture; 731bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } else { 732bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian static_cast<Image&>(res) = mBufferData[mActiveBuffer].texture; 733bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 734bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian return res; 735d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 736d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 737d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopiansp<GraphicBuffer> Layer::BufferManager::getActiveBuffer() const { 738b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian sp<GraphicBuffer> result; 739b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian const ssize_t activeBuffer = mActiveBuffer; 740b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (activeBuffer >= 0) { 741b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian BufferData const * const buffers = mBufferData; 742b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian Mutex::Autolock _l(mLock); 743b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian result = buffers[activeBuffer].buffer; 744b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian } 745b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian return result; 746d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 747d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 748d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopiansp<GraphicBuffer> Layer::BufferManager::detachBuffer(size_t index) 749d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 750bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian BufferData* const buffers = mBufferData; 751d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian sp<GraphicBuffer> buffer; 752d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian Mutex::Autolock _l(mLock); 753bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffer = buffers[index].buffer; 754bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffers[index].buffer = 0; 755d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return buffer; 756d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 757d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 758d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::attachBuffer(size_t index, 759d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian const sp<GraphicBuffer>& buffer) 760d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 761bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian BufferData* const buffers = mBufferData; 762d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian Mutex::Autolock _l(mLock); 763bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffers[index].buffer = buffer; 764bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffers[index].texture.dirty = true; 765d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return NO_ERROR; 766d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 767d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 768d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::destroy(EGLDisplay dpy) 769d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 770bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian BufferData* const buffers = mBufferData; 771bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian size_t num; 772bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian { // scope for the lock 773bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian Mutex::Autolock _l(mLock); 774bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian num = mNumBuffers; 775bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian for (size_t i=0 ; i<num ; i++) { 776bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian buffers[i].buffer = 0; 777bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 778bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 779bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian for (size_t i=0 ; i<num ; i++) { 780bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian destroyTexture(&buffers[i].texture, dpy); 781d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian } 782d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian destroyTexture(&mFailoverTexture, dpy); 783d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return NO_ERROR; 784d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 785d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 786d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::initEglImage(EGLDisplay dpy, 787d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian const sp<GraphicBuffer>& buffer) 788d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 789b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian status_t err = NO_INIT; 790b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian ssize_t index = mActiveBuffer; 791b7e930db175c192464cebdeb49eb56cf6dd60114Mathias Agopian if (index >= 0) { 7921f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian if (!mFailover) { 7931f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian Image& texture(mBufferData[index].texture); 7941f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian err = mTextureManager.initEglImage(&texture, dpy, buffer); 7951f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian // if EGLImage fails, we switch to regular texture mode, and we 7961f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian // free all resources associated with using EGLImages. 7971f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian if (err == NO_ERROR) { 7981f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian mFailover = false; 7991f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian destroyTexture(&mFailoverTexture, dpy); 8001f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian } else { 8011f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian mFailover = true; 8021f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian const size_t num = mNumBuffers; 8031f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian for (size_t i=0 ; i<num ; i++) { 8041f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian destroyTexture(&mBufferData[i].texture, dpy); 8051f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian } 806e049a957ce2a529564a1312dca60e86d0bcb0964Andreas Huber } 8071f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian } else { 8081f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian // we failed once, don't try again 8091f7bec634f19c123410a5155c8d282e177c01930Mathias Agopian err = BAD_VALUE; 810d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian } 811d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian } 812d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return err; 813d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 814d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 815d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopianstatus_t Layer::BufferManager::loadTexture( 816d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian const Region& dirty, const GGLSurface& t) 817d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian{ 818d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian return mTextureManager.loadTexture(&mFailoverTexture, dirty, t); 819d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian} 820d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 821bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopianstatus_t Layer::BufferManager::destroyTexture(Image* tex, EGLDisplay dpy) 822bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian{ 823bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian if (tex->name != -1U) { 824bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian glDeleteTextures(1, &tex->name); 825bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian tex->name = -1U; 826bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 827bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian if (tex->image != EGL_NO_IMAGE_KHR) { 828bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian eglDestroyImageKHR(dpy, tex->image); 829bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian tex->image = EGL_NO_IMAGE_KHR; 830bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian } 831bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian return NO_ERROR; 832bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian} 833bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian 834d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian// --------------------------------------------------------------------------- 835d606de6bb6877dc4ab93ec0be0c6bda4a8ee1ce8Mathias Agopian 8369a11206fe793363c0e8897b478cbe6ef8c52b543Mathias AgopianLayer::SurfaceLayer::SurfaceLayer(const sp<SurfaceFlinger>& flinger, 83796f0819f81293076e652792794a961543e6750d7Mathias Agopian const sp<Layer>& owner) 83896f0819f81293076e652792794a961543e6750d7Mathias Agopian : Surface(flinger, owner->getIdentity(), owner) 8399a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopian{ 8409a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopian} 8419a11206fe793363c0e8897b478cbe6ef8c52b543Mathias Agopian 8429a11206fe793363c0e8897b478cbe6ef8c52b543Mathias AgopianLayer::SurfaceLayer::~SurfaceLayer() 843076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 844076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 845076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 846a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopiansp<GraphicBuffer> Layer::SurfaceLayer::requestBuffer(int index, 847a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian uint32_t w, uint32_t h, uint32_t format, uint32_t usage) 848076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 8493330b203039dea366d4981db1408a460134b2d2cMathias Agopian sp<GraphicBuffer> buffer; 850076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian sp<Layer> owner(getOwner()); 851076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian if (owner != 0) { 852bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian /* 853bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * requestBuffer() cannot be called from the main thread 854bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * as it could cause a dead-lock, since it may have to wait 855bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * on conditions updated my the main thread. 856bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian */ 857a138f89c5e78b7e8994823e97d6e860869762837Mathias Agopian buffer = owner->requestBuffer(index, w, h, format, usage); 858076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian } 859076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian return buffer; 860076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 861edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 862b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopianstatus_t Layer::SurfaceLayer::setBufferCount(int bufferCount) 863b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian{ 864b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian status_t err = DEAD_OBJECT; 865b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian sp<Layer> owner(getOwner()); 866b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian if (owner != 0) { 867bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian /* 868bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * setBufferCount() cannot be called from the main thread 869bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * as it could cause a dead-lock, since it may have to wait 870bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian * on conditions updated my the main thread. 871bb641244d7d73312dc65b8e338df18b22e335107Mathias Agopian */ 872b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian err = owner->setBufferCount(bufferCount); 873b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian } 874b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian return err; 875b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian} 876b5b7f260da2c1a2a82e0311e2015d49a82f43667Mathias Agopian 877edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 878edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 879edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 880edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 881