BufferQueue::BufferQueue( bool allowSynchronousMode, int bufferCount ) :
mDefaultWidth(1),
mDefaultHeight(1),
mPixelFormat(PIXEL_FORMAT_RGBA_8888),
mMinUndequeuedBuffers(bufferCount),
mMinAsyncBufferSlots(bufferCount + 1),
mMinSyncBufferSlots(bufferCount),
mBufferCount(mMinAsyncBufferSlots),
mClientBufferCount(0),
mServerBufferCount(mMinAsyncBufferSlots),
mSynchronousMode(false),
mAllowSynchronousMode(allowSynchronousMode),
mConnectedApi(NO_CONNECTED_API),
mAbandoned(false),
mFrameCounter(0),
mBufferHasBeenQueued(false),
mDefaultBufferFormat(0),
mConsumerUsageBits(0),
mTransformHint(0)
{
// Choose a name using the PID and a process-unique ID.
mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
ST_LOGV("BufferQueue");
sp<ISurfaceComposer> composer(ComposerService::getComposerService());
mGraphicBufferAlloc = composer->createGraphicBufferAlloc();
if (mGraphicBufferAlloc == 0) {
ST_LOGE("createGraphicBufferAlloc() failed in BufferQueue()");
}
}
BufferQueue::BufferQueue(bool allowSynchronousMode,
const sp<IGraphicBufferAlloc>& allocator) :
mDefaultWidth(1),
mDefaultHeight(1),
mMaxAcquiredBufferCount(1),
mDefaultMaxBufferCount(2),
mOverrideMaxBufferCount(0),
mSynchronousMode(false),
mAllowSynchronousMode(allowSynchronousMode),
mConnectedApi(NO_CONNECTED_API),
mAbandoned(false),
mFrameCounter(0),
mBufferHasBeenQueued(false),
mDefaultBufferFormat(PIXEL_FORMAT_RGBA_8888),
mConsumerUsageBits(0),
mTransformHint(0)
{
// Choose a name using the PID and a process-unique ID.
mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
ST_LOGV("BufferQueue");
if (allocator == NULL) {
sp<ISurfaceComposer> composer(ComposerService::getComposerService());
mGraphicBufferAlloc = composer->createGraphicBufferAlloc();
if (mGraphicBufferAlloc == 0) {
ST_LOGE("createGraphicBufferAlloc() failed in BufferQueue()");
}
} else {
mGraphicBufferAlloc = allocator;
}
}
SurfaceTexture::SurfaceTexture(GLuint tex, bool allowSynchronousMode,
GLenum texTarget, bool useFenceSync, const sp<BufferQueue> &bufferQueue) :
mCurrentTransform(0),
mCurrentTimestamp(0),
mFilteringEnabled(true),
mTexName(tex),
#ifdef USE_FENCE_SYNC
mUseFenceSync(useFenceSync),
#else
mUseFenceSync(false),
#endif
mTexTarget(texTarget),
mEglDisplay(EGL_NO_DISPLAY),
mEglContext(EGL_NO_CONTEXT),
mAbandoned(false),
mCurrentTexture(BufferQueue::INVALID_BUFFER_SLOT),
mAttached(true)
{
// Choose a name using the PID and a process-unique ID.
mName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
ST_LOGV("SurfaceTexture");
if (bufferQueue == 0) {
ST_LOGV("Creating a new BufferQueue");
mBufferQueue = new BufferQueue(allowSynchronousMode);
}
else {
mBufferQueue = bufferQueue;
}
memcpy(mCurrentTransformMatrix, mtxIdentity,
sizeof(mCurrentTransformMatrix));
// Note that we can't create an sp<...>(this) in a ctor that will not keep a
// reference once the ctor ends, as that would cause the refcount of 'this'
// dropping to 0 at the end of the ctor. Since all we need is a wp<...>
// that's what we create.
wp<BufferQueue::ConsumerListener> listener;
sp<BufferQueue::ConsumerListener> proxy;
listener = static_cast<BufferQueue::ConsumerListener*>(this);
proxy = new BufferQueue::ProxyConsumerListener(listener);
status_t err = mBufferQueue->consumerConnect(proxy);
if (err != NO_ERROR) {
ST_LOGE("SurfaceTexture: error connecting to BufferQueue: %s (%d)",
strerror(-err), err);
} else {
mBufferQueue->setConsumerName(mName);
mBufferQueue->setConsumerUsageBits(DEFAULT_USAGE_FLAGS);
}
}
static void SurfaceTexture_init(JNIEnv* env, jobject thiz, jboolean isDetached,
jint texName, jboolean singleBufferMode, jobject weakThiz)
{
sp<IGraphicBufferProducer> producer;
sp<IGraphicBufferConsumer> consumer;
BufferQueue::createBufferQueue(&producer, &consumer);
if (singleBufferMode) {
consumer->disableAsyncBuffer();
consumer->setDefaultMaxBufferCount(1);
}
sp<GLConsumer> surfaceTexture;
if (isDetached) {
surfaceTexture = new GLConsumer(consumer, GL_TEXTURE_EXTERNAL_OES,
true, true);
} else {
surfaceTexture = new GLConsumer(consumer, texName,
GL_TEXTURE_EXTERNAL_OES, true, true);
}
if (surfaceTexture == 0) {
jniThrowException(env, OutOfResourcesException,
"Unable to create native SurfaceTexture");
return;
}
surfaceTexture->setName(String8::format("SurfaceTexture-%d-%d-%d",
(isDetached ? 0 : texName),
getpid(),
createProcessUniqueId()));
SurfaceTexture_setSurfaceTexture(env, thiz, surfaceTexture);
SurfaceTexture_setProducer(env, thiz, producer);
jclass clazz = env->GetObjectClass(thiz);
if (clazz == NULL) {
jniThrowRuntimeException(env,
"Can't find android/graphics/SurfaceTexture");
return;
}
sp<JNISurfaceTextureContext> ctx(new JNISurfaceTextureContext(env, weakThiz,
clazz));
surfaceTexture->setFrameAvailableListener(ctx);
SurfaceTexture_setFrameAvailableListener(env, thiz, ctx);
}
GonkConsumerBase::GonkConsumerBase(const sp<GonkBufferQueue>& bufferQueue, bool controlledByApp) :
mAbandoned(false),
mConsumer(bufferQueue) {
// Choose a name using the PID and a process-unique ID.
mName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
// Note that we can't create an sp<...>(this) in a ctor that will not keep a
// reference once the ctor ends, as that would cause the refcount of 'this'
// dropping to 0 at the end of the ctor. Since all we need is a wp<...>
// that's what we create.
wp<ConsumerListener> listener = static_cast<ConsumerListener*>(this);
sp<IConsumerListener> proxy = new GonkBufferQueue::ProxyConsumerListener(listener);
status_t err = mConsumer->consumerConnect(proxy, controlledByApp);
if (err != NO_ERROR) {
ALOGE("GonkConsumerBase: error connecting to GonkBufferQueue: %s (%d)",
strerror(-err), err);
} else {
mConsumer->setConsumerName(mName);
}
}
