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/*
* 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
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