The Tor Browser: widget/gonk/nativewindow/GonkNativeWindowClientKK.cpp@6474c204b198 (annotated)

widget/gonk/nativewindow/GonkNativeWindowClientKK.cpp@6474c204b198 (annotated)

widget/gonk/nativewindow/GonkNativeWindowClientKK.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  * Copyright (C) 2010 The Android Open Source Project
  * Copyright (C) 2013 Mozilla Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 #define LOG_TAG "GonkNativeWindowClient"
 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
 //#define LOG_NDEBUG 0
 #include <android/native_window.h>
 #include <binder/Parcel.h>
 #include <utils/Log.h>
 #include <utils/Trace.h>
 #include <ui/Fence.h>
 #include "GonkNativeWindowClientKK.h"
 namespace android {
 GonkNativeWindowClient::GonkNativeWindowClient(
         const sp<IGraphicBufferProducer>& bufferProducer,
         bool controlledByApp)
     : mGraphicBufferProducer(bufferProducer)
 {
     // Initialize the ANativeWindow function pointers.
     ANativeWindow::setSwapInterval  = hook_setSwapInterval;
     ANativeWindow::dequeueBuffer    = hook_dequeueBuffer;
     ANativeWindow::cancelBuffer     = hook_cancelBuffer;
     ANativeWindow::queueBuffer      = hook_queueBuffer;
     ANativeWindow::query            = hook_query;
     ANativeWindow::perform          = hook_perform;
     ANativeWindow::dequeueBuffer_DEPRECATED = hook_dequeueBuffer_DEPRECATED;
     ANativeWindow::cancelBuffer_DEPRECATED  = hook_cancelBuffer_DEPRECATED;
     ANativeWindow::lockBuffer_DEPRECATED    = hook_lockBuffer_DEPRECATED;
     ANativeWindow::queueBuffer_DEPRECATED   = hook_queueBuffer_DEPRECATED;
     const_cast<int&>(ANativeWindow::minSwapInterval) = 0;
     const_cast<int&>(ANativeWindow::maxSwapInterval) = 1;
     mReqWidth = 0;
     mReqHeight = 0;
     mReqFormat = 0;
     mReqUsage = 0;
     mTimestamp = NATIVE_WINDOW_TIMESTAMP_AUTO;
     mCrop.clear();
     mScalingMode = NATIVE_WINDOW_SCALING_MODE_FREEZE;
     mTransform = 0;
     mDefaultWidth = 0;
     mDefaultHeight = 0;
     mUserWidth = 0;
     mUserHeight = 0;
     mTransformHint = 0;
     mConsumerRunningBehind = false;
     mConnectedToCpu = false;
     mProducerControlledByApp = controlledByApp;
     mSwapIntervalZero = false;
 }
 GonkNativeWindowClient::~GonkNativeWindowClient() {
     if (mConnectedToCpu) {
         GonkNativeWindowClient::disconnect(NATIVE_WINDOW_API_CPU);
     }
 }
 sp<IGraphicBufferProducer> GonkNativeWindowClient::getIGraphicBufferProducer() const {
     return mGraphicBufferProducer;
 }
 int GonkNativeWindowClient::hook_setSwapInterval(ANativeWindow* window, int interval) {
     GonkNativeWindowClient* c = getSelf(window);
     return c->setSwapInterval(interval);
 }
 int GonkNativeWindowClient::hook_dequeueBuffer(ANativeWindow* window,
         ANativeWindowBuffer** buffer, int* fenceFd) {
     GonkNativeWindowClient* c = getSelf(window);
     return c->dequeueBuffer(buffer, fenceFd);
 }
 int GonkNativeWindowClient::hook_cancelBuffer(ANativeWindow* window,
         ANativeWindowBuffer* buffer, int fenceFd) {
     GonkNativeWindowClient* c = getSelf(window);
     return c->cancelBuffer(buffer, fenceFd);
 }
 int GonkNativeWindowClient::hook_queueBuffer(ANativeWindow* window,
         ANativeWindowBuffer* buffer, int fenceFd) {
     GonkNativeWindowClient* c = getSelf(window);
     return c->queueBuffer(buffer, fenceFd);
 }
 int GonkNativeWindowClient::hook_dequeueBuffer_DEPRECATED(ANativeWindow* window,
         ANativeWindowBuffer** buffer) {
     GonkNativeWindowClient* c = getSelf(window);
     ANativeWindowBuffer* buf;
     int fenceFd = -1;
     int result = c->dequeueBuffer(&buf, &fenceFd);
     sp<Fence> fence(new Fence(fenceFd));
     int waitResult = fence->waitForever("dequeueBuffer_DEPRECATED");
     if (waitResult != OK) {
         ALOGE("dequeueBuffer_DEPRECATED: Fence::wait returned an error: %d",
                 waitResult);
         c->cancelBuffer(buf, -1);
         return waitResult;
     }
     *buffer = buf;
     return result;
 }
 int GonkNativeWindowClient::hook_cancelBuffer_DEPRECATED(ANativeWindow* window,
         ANativeWindowBuffer* buffer) {
     GonkNativeWindowClient* c = getSelf(window);
     return c->cancelBuffer(buffer, -1);
 }
 int GonkNativeWindowClient::hook_lockBuffer_DEPRECATED(ANativeWindow* window,
         ANativeWindowBuffer* buffer) {
     GonkNativeWindowClient* c = getSelf(window);
     return c->lockBuffer_DEPRECATED(buffer);
 }
 int GonkNativeWindowClient::hook_queueBuffer_DEPRECATED(ANativeWindow* window,
         ANativeWindowBuffer* buffer) {
     GonkNativeWindowClient* c = getSelf(window);
     return c->queueBuffer(buffer, -1);
 }
 int GonkNativeWindowClient::hook_query(const ANativeWindow* window,
                                 int what, int* value) {
     const GonkNativeWindowClient* c = getSelf(window);
     return c->query(what, value);
 }
 int GonkNativeWindowClient::hook_perform(ANativeWindow* window, int operation, ...) {
     va_list args;
     va_start(args, operation);
     GonkNativeWindowClient* c = getSelf(window);
     return c->perform(operation, args);
 }
 int GonkNativeWindowClient::setSwapInterval(int interval) {
     ATRACE_CALL();
     // EGL specification states:
     //  interval is silently clamped to minimum and maximum implementation
     //  dependent values before being stored.
     if (interval < minSwapInterval)
         interval = minSwapInterval;
     if (interval > maxSwapInterval)
         interval = maxSwapInterval;
     return NO_ERROR;
 }
 int GonkNativeWindowClient::dequeueBuffer(android_native_buffer_t** buffer, int* fenceFd) {
     ATRACE_CALL();
     ALOGV("GonkNativeWindowClient::dequeueBuffer");
     Mutex::Autolock lock(mMutex);
     int buf = -1;
     int reqW = mReqWidth ? mReqWidth : mUserWidth;
     int reqH = mReqHeight ? mReqHeight : mUserHeight;
     sp<Fence> fence;
     status_t result = mGraphicBufferProducer->dequeueBuffer(&buf, &fence, mSwapIntervalZero,
             reqW, reqH, mReqFormat, mReqUsage);
     if (result < 0) {
         ALOGV("dequeueBuffer: IGraphicBufferProducer::dequeueBuffer(%d, %d, %d, %d)"
              "failed: %d", mReqWidth, mReqHeight, mReqFormat, mReqUsage,
              result);
         return result;
     }
     sp<GraphicBuffer>& gbuf(mSlots[buf].buffer);
     // this should never happen
     ALOGE_IF(fence == NULL, "Surface::dequeueBuffer: received null Fence! buf=%d", buf);
     if (result & IGraphicBufferProducer::RELEASE_ALL_BUFFERS) {
         freeAllBuffers();
     }
     if ((result & IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION) || gbuf == 0) {
         result = mGraphicBufferProducer->requestBuffer(buf, &gbuf);
         if (result != NO_ERROR) {
             ALOGE("dequeueBuffer: IGraphicBufferProducer::requestBuffer failed: %d", result);
             return result;
         }
     }
     if (fence->isValid()) {
         *fenceFd = fence->dup();
         if (*fenceFd == -1) {
             ALOGE("dequeueBuffer: error duping fence: %d", errno);
             // dup() should never fail; something is badly wrong. Soldier on
             // and hope for the best; the worst that should happen is some
             // visible corruption that lasts until the next frame.
         }
     } else {
         *fenceFd = -1;
     }
     *buffer = gbuf.get();
     return OK;
 }
 int GonkNativeWindowClient::cancelBuffer(android_native_buffer_t* buffer,
         int fenceFd) {
     ATRACE_CALL();
     ALOGV("GonkNativeWindowClient::cancelBuffer");
     Mutex::Autolock lock(mMutex);
     int i = getSlotFromBufferLocked(buffer);
     if (i < 0) {
         return i;
     }
     sp<Fence> fence(fenceFd >= 0 ? new Fence(fenceFd) : Fence::NO_FENCE);
     mGraphicBufferProducer->cancelBuffer(i, fence);
     return OK;
 }
 int GonkNativeWindowClient::getSlotFromBufferLocked(
         android_native_buffer_t* buffer) const {
     bool dumpedState = false;
     for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
         if (mSlots[i].buffer != NULL &&
                 mSlots[i].buffer->handle == buffer->handle) {
             return i;
         }
     }
     ALOGE("getSlotFromBufferLocked: unknown buffer: %p", buffer->handle);
     return BAD_VALUE;
 }
 int GonkNativeWindowClient::lockBuffer_DEPRECATED(android_native_buffer_t* buffer) {
     ALOGV("GonkNativeWindowClient::lockBuffer");
     Mutex::Autolock lock(mMutex);
     return OK;
 }
 int GonkNativeWindowClient::queueBuffer(android_native_buffer_t* buffer, int fenceFd) {
     ATRACE_CALL();
     ALOGV("GonkNativeWindowClient::queueBuffer");
     Mutex::Autolock lock(mMutex);
     int64_t timestamp;
     bool isAutoTimestamp = false;
     if (mTimestamp == NATIVE_WINDOW_TIMESTAMP_AUTO) {
         timestamp = systemTime(SYSTEM_TIME_MONOTONIC);
         isAutoTimestamp = true;
         ALOGV("GonkNativeWindowClient::queueBuffer making up timestamp: %.2f ms",
              timestamp / 1000000.f);
     } else {
         timestamp = mTimestamp;
     }
     int i = getSlotFromBufferLocked(buffer);
     if (i < 0) {
         return i;
     }
     // Make sure the crop rectangle is entirely inside the buffer.
     Rect crop;
     mCrop.intersect(Rect(buffer->width, buffer->height), &crop);
     sp<Fence> fence(fenceFd >= 0 ? new Fence(fenceFd) : Fence::NO_FENCE);
     IGraphicBufferProducer::QueueBufferOutput output;
     IGraphicBufferProducer::QueueBufferInput input(timestamp, isAutoTimestamp,
             crop, mScalingMode, mTransform, mSwapIntervalZero, fence);
     status_t err = mGraphicBufferProducer->queueBuffer(i, input, &output);
     if (err != OK)  {
         ALOGE("queueBuffer: error queuing buffer to SurfaceTexture, %d", err);
     }
     uint32_t numPendingBuffers = 0;
     output.deflate(&mDefaultWidth, &mDefaultHeight, &mTransformHint,
             &numPendingBuffers);
     mConsumerRunningBehind = (numPendingBuffers >= 2);
     return err;
 }
 int GonkNativeWindowClient::query(int what, int* value) const {
     ATRACE_CALL();
     ALOGV("GonkNativeWindowClient::query");
     { // scope for the lock
         Mutex::Autolock lock(mMutex);
         switch (what) {
             case NATIVE_WINDOW_FORMAT:
                 if (mReqFormat) {
                     *value = mReqFormat;
                     return NO_ERROR;
                 }
                 break;
             case NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER: {
                 //sp<ISurfaceComposer> composer(
                 //        ComposerService::getComposerService());
                 //if (composer->authenticateSurfaceTexture(mGraphicBufferProducer)) {
                 //    *value = 1;
                 //} else {
                     *value = 0;
                 //}
                 return NO_ERROR;
             }
             case NATIVE_WINDOW_CONCRETE_TYPE:
                 *value = NATIVE_WINDOW_SURFACE;
                 return NO_ERROR;
             case NATIVE_WINDOW_DEFAULT_WIDTH:
                 *value = mUserWidth ? mUserWidth : mDefaultWidth;
                 return NO_ERROR;
             case NATIVE_WINDOW_DEFAULT_HEIGHT:
                 *value = mUserHeight ? mUserHeight : mDefaultHeight;
                 return NO_ERROR;
             case NATIVE_WINDOW_TRANSFORM_HINT:
                 *value = mTransformHint;
                 return NO_ERROR;
             case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND: {
                 status_t err = NO_ERROR;
                 if (!mConsumerRunningBehind) {
                     *value = 0;
                 } else {
                     err = mGraphicBufferProducer->query(what, value);
                     if (err == NO_ERROR) {
                         mConsumerRunningBehind = *value;
                     }
                 }
                 return err;
             }
         }
     }
     return mGraphicBufferProducer->query(what, value);
 }
 int GonkNativeWindowClient::perform(int operation, va_list args)
 {
     int res = NO_ERROR;
     switch (operation) {
     case NATIVE_WINDOW_CONNECT:
         // deprecated. must return NO_ERROR.
         break;
     case NATIVE_WINDOW_DISCONNECT:
         // deprecated. must return NO_ERROR.
         break;
     case NATIVE_WINDOW_SET_USAGE:
         res = dispatchSetUsage(args);
         break;
     case NATIVE_WINDOW_SET_CROP:
         res = dispatchSetCrop(args);
         break;
     case NATIVE_WINDOW_SET_BUFFER_COUNT:
         res = dispatchSetBufferCount(args);
         break;
     case NATIVE_WINDOW_SET_BUFFERS_GEOMETRY:
         res = dispatchSetBuffersGeometry(args);
         break;
     case NATIVE_WINDOW_SET_BUFFERS_TRANSFORM:
         res = dispatchSetBuffersTransform(args);
         break;
     case NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP:
         res = dispatchSetBuffersTimestamp(args);
         break;
     case NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS:
         res = dispatchSetBuffersDimensions(args);
         break;
     case NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS:
         res = dispatchSetBuffersUserDimensions(args);
         break;
     case NATIVE_WINDOW_SET_BUFFERS_FORMAT:
         res = dispatchSetBuffersFormat(args);
         break;
     case NATIVE_WINDOW_LOCK:
         res = dispatchLock(args);
         break;
     case NATIVE_WINDOW_UNLOCK_AND_POST:
         res = dispatchUnlockAndPost(args);
         break;
     case NATIVE_WINDOW_SET_SCALING_MODE:
         res = dispatchSetScalingMode(args);
         break;
     case NATIVE_WINDOW_API_CONNECT:
         res = dispatchConnect(args);
         break;
     case NATIVE_WINDOW_API_DISCONNECT:
         res = dispatchDisconnect(args);
         break;
     default:
         res = NAME_NOT_FOUND;
         break;
     }
     return res;
 }
 int GonkNativeWindowClient::dispatchConnect(va_list args) {
     int api = va_arg(args, int);
     return connect(api);
 }
 int GonkNativeWindowClient::dispatchDisconnect(va_list args) {
     int api = va_arg(args, int);
     return disconnect(api);
 }
 int GonkNativeWindowClient::dispatchSetUsage(va_list args) {
     int usage = va_arg(args, int);
     return setUsage(usage);
 }
 int GonkNativeWindowClient::dispatchSetCrop(va_list args) {
     android_native_rect_t const* rect = va_arg(args, android_native_rect_t*);
     return setCrop(reinterpret_cast<Rect const*>(rect));
 }
 int GonkNativeWindowClient::dispatchSetBufferCount(va_list args) {
     size_t bufferCount = va_arg(args, size_t);
     return setBufferCount(bufferCount);
 }
 int GonkNativeWindowClient::dispatchSetBuffersGeometry(va_list args) {
     int w = va_arg(args, int);
     int h = va_arg(args, int);
     int f = va_arg(args, int);
     int err = setBuffersDimensions(w, h);
     if (err != 0) {
         return err;
     }
     return setBuffersFormat(f);
 }
 int GonkNativeWindowClient::dispatchSetBuffersDimensions(va_list args) {
     int w = va_arg(args, int);
     int h = va_arg(args, int);
     return setBuffersDimensions(w, h);
 }
 int GonkNativeWindowClient::dispatchSetBuffersUserDimensions(va_list args) {
     int w = va_arg(args, int);
     int h = va_arg(args, int);
     return setBuffersUserDimensions(w, h);
 }
 int GonkNativeWindowClient::dispatchSetBuffersFormat(va_list args) {
     int f = va_arg(args, int);
     return setBuffersFormat(f);
 }
 int GonkNativeWindowClient::dispatchSetScalingMode(va_list args) {
     int m = va_arg(args, int);
     return setScalingMode(m);
 }
 int GonkNativeWindowClient::dispatchSetBuffersTransform(va_list args) {
     int transform = va_arg(args, int);
     return setBuffersTransform(transform);
 }
 int GonkNativeWindowClient::dispatchSetBuffersTimestamp(va_list args) {
     int64_t timestamp = va_arg(args, int64_t);
     return setBuffersTimestamp(timestamp);
 }
 int GonkNativeWindowClient::dispatchLock(va_list args) {
     ANativeWindow_Buffer* outBuffer = va_arg(args, ANativeWindow_Buffer*);
     ARect* inOutDirtyBounds = va_arg(args, ARect*);
     return lock(outBuffer, inOutDirtyBounds);
 }
 int GonkNativeWindowClient::dispatchUnlockAndPost(va_list args) {
     return unlockAndPost();
 }
 int GonkNativeWindowClient::connect(int api) {
     ATRACE_CALL();
     ALOGV("GonkNativeWindowClient::connect");
     static sp<BBinder> sLife = new BBinder();
     Mutex::Autolock lock(mMutex);
     IGraphicBufferProducer::QueueBufferOutput output;
     int err = mGraphicBufferProducer->connect(sLife, api, true, &output);
     if (err == NO_ERROR) {
         uint32_t numPendingBuffers = 0;
         output.deflate(&mDefaultWidth, &mDefaultHeight, &mTransformHint,
                 &numPendingBuffers);
         mConsumerRunningBehind = (numPendingBuffers >= 2);
     }
     if (!err && api == NATIVE_WINDOW_API_CPU) {
         mConnectedToCpu = true;
     }
     return err;
 }
 int GonkNativeWindowClient::disconnect(int api) {
     ATRACE_CALL();
     ALOGV("GonkNativeWindowClient::disconnect");
     Mutex::Autolock lock(mMutex);
     freeAllBuffers();
     int err = mGraphicBufferProducer->disconnect(api);
     if (!err) {
         mReqFormat = 0;
         mReqWidth = 0;
         mReqHeight = 0;
         mReqUsage = 0;
         mCrop.clear();
         mScalingMode = NATIVE_WINDOW_SCALING_MODE_FREEZE;
         mTransform = 0;
         if (api == NATIVE_WINDOW_API_CPU) {
             mConnectedToCpu = false;
         }
     }
     return err;
 }
 int GonkNativeWindowClient::setUsage(uint32_t reqUsage)
 {
     ALOGV("GonkNativeWindowClient::setUsage");
     Mutex::Autolock lock(mMutex);
     mReqUsage = reqUsage;
     return OK;
 }
 int GonkNativeWindowClient::setCrop(Rect const* rect)
 {
     ATRACE_CALL();
     Rect realRect;
     if (rect == NULL || rect->isEmpty()) {
         realRect.clear();
     } else {
         realRect = *rect;
     }
     ALOGV("GonkNativeWindowClient::setCrop rect=[%d %d %d %d]",
             realRect.left, realRect.top, realRect.right, realRect.bottom);
     Mutex::Autolock lock(mMutex);
     mCrop = realRect;
     return NO_ERROR;
 }
 int GonkNativeWindowClient::setBufferCount(int bufferCount)
 {
     ATRACE_CALL();
     ALOGV("GonkNativeWindowClient::setBufferCount");
     Mutex::Autolock lock(mMutex);
     status_t err = mGraphicBufferProducer->setBufferCount(bufferCount);
     ALOGE_IF(err, "IGraphicBufferProducer::setBufferCount(%d) returned %s",
             bufferCount, strerror(-err));
     if (err == NO_ERROR) {
         freeAllBuffers();
     }
     return err;
 }
 int GonkNativeWindowClient::setBuffersDimensions(int w, int h)
 {
     ATRACE_CALL();
     ALOGV("GonkNativeWindowClient::setBuffersDimensions");
     if (w<0 || h<0)
         return BAD_VALUE;
     if ((w && !h) || (!w && h))
         return BAD_VALUE;
     Mutex::Autolock lock(mMutex);
     mReqWidth = w;
     mReqHeight = h;
     return NO_ERROR;
 }
 int GonkNativeWindowClient::setBuffersUserDimensions(int w, int h)
 {
     ATRACE_CALL();
     ALOGV("GonkNativeWindowClient::setBuffersUserDimensions");
     if (w<0 || h<0)
         return BAD_VALUE;
     if ((w && !h) || (!w && h))
         return BAD_VALUE;
     Mutex::Autolock lock(mMutex);
     mUserWidth = w;
     mUserHeight = h;
     return NO_ERROR;
 }
 int GonkNativeWindowClient::setBuffersFormat(int format)
 {
     ALOGV("GonkNativeWindowClient::setBuffersFormat");
     if (format<0)
         return BAD_VALUE;
     Mutex::Autolock lock(mMutex);
     mReqFormat = format;
     return NO_ERROR;
 }
 int GonkNativeWindowClient::setScalingMode(int mode)
 {
     ATRACE_CALL();
     ALOGV("GonkNativeWindowClient::setScalingMode(%d)", mode);
     switch (mode) {
         case NATIVE_WINDOW_SCALING_MODE_FREEZE:
         case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW:
         case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP:
             break;
         default:
             ALOGE("unknown scaling mode: %d", mode);
             return BAD_VALUE;
     }
     Mutex::Autolock lock(mMutex);
     mScalingMode = mode;
     return NO_ERROR;
 }
 int GonkNativeWindowClient::setBuffersTransform(int transform)
 {
     ATRACE_CALL();
     ALOGV("GonkNativeWindowClient::setBuffersTransform");
     Mutex::Autolock lock(mMutex);
     mTransform = transform;
     return NO_ERROR;
 }
 int GonkNativeWindowClient::setBuffersTimestamp(int64_t timestamp)
 {
     ALOGV("GonkNativeWindowClient::setBuffersTimestamp");
     Mutex::Autolock lock(mMutex);
     mTimestamp = timestamp;
     return NO_ERROR;
 }
 void GonkNativeWindowClient::freeAllBuffers() {
     for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
         mSlots[i].buffer = 0;
     }
 }
 // ----------------------------------------------------------------------
 // the lock/unlock APIs must be used from the same thread
 // ----------------------------------------------------------------------------
 status_t GonkNativeWindowClient::lock(
         ANativeWindow_Buffer* outBuffer, ARect* inOutDirtyBounds)
 {
     return INVALID_OPERATION;
 }
 status_t GonkNativeWindowClient::unlockAndPost()
 {
     return INVALID_OPERATION;
 }
 }; // namespace android

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widget/gonk/nativewindow/GonkNativeWindowClientKK.cpp@6474c204b198 (annotated)

widget/gonk/nativewindow/GonkNativeWindowClientKK.cpp