diff options
Diffstat (limited to 'widget/gonk/nativewindow/GonkNativeWindowLL.cpp')
| -rw-r--r-- | widget/gonk/nativewindow/GonkNativeWindowLL.cpp | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/widget/gonk/nativewindow/GonkNativeWindowLL.cpp b/widget/gonk/nativewindow/GonkNativeWindowLL.cpp new file mode 100644 index 000000000..48644a22f --- /dev/null +++ b/widget/gonk/nativewindow/GonkNativeWindowLL.cpp @@ -0,0 +1,204 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * Copyright (C) 2014 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_NDEBUG 0 +#define LOG_TAG "GonkNativeWindow" +#define ATRACE_TAG ATRACE_TAG_GRAPHICS +#include <utils/Log.h> + +#include "GonkNativeWindowLL.h" + +using namespace mozilla; +using namespace mozilla::layers; + +namespace android { + +GonkNativeWindow::GonkNativeWindow( + const sp<IGonkGraphicBufferConsumer>& consumer, int bufferCount) : + GonkConsumerBase(consumer, false), + mNewFrameCallback(nullptr) +{ + if (bufferCount != DEFAULT_MAX_BUFFERS) { + status_t err = mConsumer->setMaxAcquiredBufferCount(bufferCount); + LOG_ALWAYS_FATAL_IF(err != OK, + "Failed to set max acquired buffer count to %d", bufferCount); + } +} + +GonkNativeWindow::GonkNativeWindow( + const sp<IGonkGraphicBufferConsumer>& consumer, uint32_t consumerUsage, + int bufferCount, bool controlledByApp) : + GonkConsumerBase(consumer, controlledByApp) +{ + status_t err = mConsumer->setConsumerUsageBits(consumerUsage); + LOG_ALWAYS_FATAL_IF(err != OK, + "Failed to set consumer usage bits to %#x", consumerUsage); + if (bufferCount != DEFAULT_MAX_BUFFERS) { + err = mConsumer->setMaxAcquiredBufferCount(bufferCount); + LOG_ALWAYS_FATAL_IF(err != OK, + "Failed to set max acquired buffer count to %d", bufferCount); + } +} + +GonkNativeWindow::~GonkNativeWindow() { +} + +void GonkNativeWindow::setName(const String8& name) { + Mutex::Autolock _l(mMutex); + mName = name; + mConsumer->setConsumerName(name); +} + +status_t GonkNativeWindow::acquireBuffer(BufferItem *item, + nsecs_t presentWhen, bool waitForFence) { + status_t err; + + if (!item) return BAD_VALUE; + + Mutex::Autolock _l(mMutex); + + err = acquireBufferLocked(item, presentWhen); + if (err != OK) { + if (err != NO_BUFFER_AVAILABLE) { + ALOGE("Error acquiring buffer: %s (%d)", strerror(err), err); + } + return err; + } + + if (waitForFence) { + err = item->mFence->waitForever("GonkNativeWindow::acquireBuffer"); + if (err != OK) { + ALOGE("Failed to wait for fence of acquired buffer: %s (%d)", + strerror(-err), err); + return err; + } + } + + item->mGraphicBuffer = mSlots[item->mBuf].mGraphicBuffer; + + return OK; +} + +status_t GonkNativeWindow::releaseBuffer(const BufferItem &item, + const sp<Fence>& releaseFence) { + status_t err; + + Mutex::Autolock _l(mMutex); + + err = addReleaseFenceLocked(item.mBuf, item.mGraphicBuffer, releaseFence); + + err = releaseBufferLocked(item.mBuf, item.mGraphicBuffer); + if (err != OK) { + ALOGE("Failed to release buffer: %s (%d)", + strerror(-err), err); + } + return err; +} + +status_t GonkNativeWindow::setDefaultBufferSize(uint32_t w, uint32_t h) { + Mutex::Autolock _l(mMutex); + return mConsumer->setDefaultBufferSize(w, h); +} + +status_t GonkNativeWindow::setDefaultBufferFormat(uint32_t defaultFormat) { + Mutex::Autolock _l(mMutex); + return mConsumer->setDefaultBufferFormat(defaultFormat); +} + +already_AddRefed<TextureClient> +GonkNativeWindow::getCurrentBuffer() { + Mutex::Autolock _l(mMutex); + BufferItem item; + + // In asynchronous mode the list is guaranteed to be one buffer + // deep, while in synchronous mode we use the oldest buffer. + status_t err = acquireBufferLocked(&item, 0); //??? + if (err != NO_ERROR) { + return NULL; + } + + RefPtr<TextureClient> textureClient = + mConsumer->getTextureClientFromBuffer(item.mGraphicBuffer.get()); + if (!textureClient) { + return NULL; + } + textureClient->SetRecycleCallback(GonkNativeWindow::RecycleCallback, this); + return textureClient.forget(); +} + +/* static */ void +GonkNativeWindow::RecycleCallback(TextureClient* client, void* closure) { + GonkNativeWindow* nativeWindow = + static_cast<GonkNativeWindow*>(closure); + + MOZ_ASSERT(client && !client->IsDead()); + client->ClearRecycleCallback(); + nativeWindow->returnBuffer(client); +} + +void GonkNativeWindow::returnBuffer(TextureClient* client) { + ALOGD("GonkNativeWindow::returnBuffer"); + Mutex::Autolock lock(mMutex); + + int index = mConsumer->getSlotFromTextureClientLocked(client); + if (index < 0) { + return; + } + + FenceHandle handle = client->GetAndResetReleaseFenceHandle(); + RefPtr<FenceHandle::FdObj> fdObj = handle.GetAndResetFdObj(); + sp<Fence> fence = new Fence(fdObj->GetAndResetFd()); + + status_t err; + err = addReleaseFenceLocked(index, + mSlots[index].mGraphicBuffer, + fence); + + err = releaseBufferLocked(index, mSlots[index].mGraphicBuffer); + + if (err != OK) { + ALOGE("Failed to return buffer: %s (%d)", strerror(-err), err); + } +} + +already_AddRefed<TextureClient> +GonkNativeWindow::getTextureClientFromBuffer(ANativeWindowBuffer* buffer) { + Mutex::Autolock lock(mMutex); + return mConsumer->getTextureClientFromBuffer(buffer); +} + +void GonkNativeWindow::setNewFrameCallback( + GonkNativeWindowNewFrameCallback* callback) { + ALOGD("setNewFrameCallback"); + Mutex::Autolock lock(mMutex); + mNewFrameCallback = callback; +} + +#if ANDROID_VERSION == 21 +void GonkNativeWindow::onFrameAvailable() { + GonkConsumerBase::onFrameAvailable(); +#else +void GonkNativeWindow::onFrameAvailable(const ::android::BufferItem &item) { + GonkConsumerBase::onFrameAvailable(item); +#endif + + if (mNewFrameCallback) { + mNewFrameCallback->OnNewFrame(); + } +} + +} // namespace android |