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