gecko-dev/widget/gonk/nativewindow/GonkNativeWindowJB.cpp

164 lines
4.7 KiB
C++
Executable File

/*
* Copyright (C) 2012 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_NDEBUG 0
#define LOG_TAG "GonkNativeWindow"
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#include <utils/Log.h>
#include "GonkNativeWindowJB.h"
#include "GrallocImages.h"
#define BI_LOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)
#define BI_LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
#define BI_LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
#define BI_LOGW(...) __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)
#define BI_LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
using namespace mozilla::layers;
namespace android {
GonkNativeWindow::GonkNativeWindow() :
GonkConsumerBase(new GonkBufferQueue(true) )
{
mBufferQueue->setMaxAcquiredBufferCount(GonkBufferQueue::MIN_UNDEQUEUED_BUFFERS);
}
GonkNativeWindow::~GonkNativeWindow() {
}
void GonkNativeWindow::setName(const String8& name) {
Mutex::Autolock _l(mMutex);
mName = name;
mBufferQueue->setConsumerName(name);
}
status_t GonkNativeWindow::acquireBuffer(BufferItem *item, bool waitForFence) {
status_t err;
if (!item) return BAD_VALUE;
Mutex::Autolock _l(mMutex);
err = acquireBufferLocked(item);
if (err != OK) {
if (err != NO_BUFFER_AVAILABLE) {
BI_LOGE("Error acquiring buffer: %s (%d)", strerror(err), err);
}
return err;
}
if (waitForFence) {
err = item->mFence->waitForever("GonkNativeWindow::acquireBuffer");
if (err != OK) {
BI_LOGE("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, releaseFence);
err = releaseBufferLocked(item.mBuf);
if (err != OK) {
BI_LOGE("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 mBufferQueue->setDefaultBufferSize(w, h);
}
status_t GonkNativeWindow::setDefaultBufferFormat(uint32_t defaultFormat) {
Mutex::Autolock _l(mMutex);
return mBufferQueue->setDefaultBufferFormat(defaultFormat);
}
already_AddRefed<GraphicBufferLocked>
GonkNativeWindow::getCurrentBuffer()
{
Mutex::Autolock _l(mMutex);
GonkBufferQueue::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);
if (err != NO_ERROR) {
return NULL;
}
nsRefPtr<GraphicBufferLocked> ret =
new CameraGraphicBuffer(this, item.mBuf, mBufferQueue->getGeneration(), item.mSurfaceDescriptor);
return ret.forget();
}
bool
GonkNativeWindow::returnBuffer(uint32_t aIndex, uint32_t aGeneration) {
BI_LOGD("GonkNativeWindow::returnBuffer: slot=%d (generation=%d)", aIndex, aGeneration);
Mutex::Autolock lock(mMutex);
if (aGeneration != mBufferQueue->getGeneration()) {
BI_LOGD("returnBuffer: buffer is from generation %d (current is %d)",
aGeneration, mBufferQueue->getGeneration());
return false;
}
status_t err = releaseBufferLocked(aIndex);
if (err != NO_ERROR) {
return false;
}
return true;
}
mozilla::layers::SurfaceDescriptor *
GonkNativeWindow::getSurfaceDescriptorFromBuffer(ANativeWindowBuffer* buffer)
{
Mutex::Autolock lock(mMutex);
return mBufferQueue->getSurfaceDescriptorFromBuffer(buffer);
}
void GonkNativeWindow::setNewFrameCallback(
GonkNativeWindowNewFrameCallback* aCallback) {
BI_LOGD("setNewFrameCallback");
Mutex::Autolock lock(mMutex);
mNewFrameCallback = aCallback;
}
void GonkNativeWindow::onFrameAvailable() {
GonkConsumerBase::onFrameAvailable();
if (mNewFrameCallback) {
mNewFrameCallback->OnNewFrame();
}
}
} // namespace android