diff options
Diffstat (limited to 'widget/gonk/nativewindow/GonkBufferQueueJB.cpp')
| -rw-r--r-- | widget/gonk/nativewindow/GonkBufferQueueJB.cpp | 1036 |
1 files changed, 0 insertions, 1036 deletions
diff --git a/widget/gonk/nativewindow/GonkBufferQueueJB.cpp b/widget/gonk/nativewindow/GonkBufferQueueJB.cpp deleted file mode 100644 index 81502f81e..000000000 --- a/widget/gonk/nativewindow/GonkBufferQueueJB.cpp +++ /dev/null @@ -1,1036 +0,0 @@ -/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/* - * 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_TAG "GonkBufferQueue" -#define ATRACE_TAG ATRACE_TAG_GRAPHICS -#define LOG_NDEBUG 0 - -#define GL_GLEXT_PROTOTYPES -#define EGL_EGLEXT_PROTOTYPES - -#include <utils/Log.h> - -#include "mozilla/layers/GrallocTextureClient.h" -#include "mozilla/layers/ImageBridgeChild.h" - -#include "GonkBufferQueueJB.h" - -// Macros for including the GonkBufferQueue name in log messages -#define ST_LOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__) -#define ST_LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__) -#define ST_LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__) -#define ST_LOGW(...) __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__) -#define ST_LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__) - -#define ATRACE_BUFFER_INDEX(index) - -using namespace mozilla; -using namespace mozilla::gfx; -using namespace mozilla::layers; - -namespace android { - -// Get an ID that's unique within this process. -static int32_t createProcessUniqueId() { - static volatile int32_t globalCounter = 0; - return android_atomic_inc(&globalCounter); -} - -static const char* scalingModeName(int scalingMode) { - switch (scalingMode) { - case NATIVE_WINDOW_SCALING_MODE_FREEZE: return "FREEZE"; - case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: return "SCALE_TO_WINDOW"; - case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: return "SCALE_CROP"; - default: return "Unknown"; - } -} - -GonkBufferQueue::GonkBufferQueue(bool allowSynchronousMode, - const sp<IGraphicBufferAlloc>& allocator) : - mDefaultWidth(1), - mDefaultHeight(1), - mMaxAcquiredBufferCount(1), - mDefaultMaxBufferCount(2), - mOverrideMaxBufferCount(0), - mSynchronousMode(true), - 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("GonkBufferQueue"); -} - -GonkBufferQueue::~GonkBufferQueue() { - ST_LOGV("~GonkBufferQueue"); -} - -status_t GonkBufferQueue::setDefaultMaxBufferCountLocked(int count) { - if (count < 2 || count > NUM_BUFFER_SLOTS) - return BAD_VALUE; - - mDefaultMaxBufferCount = count; - mDequeueCondition.broadcast(); - - return NO_ERROR; -} - -bool GonkBufferQueue::isSynchronousMode() const { - Mutex::Autolock lock(mMutex); - return mSynchronousMode; -} - -void GonkBufferQueue::setConsumerName(const String8& name) { - Mutex::Autolock lock(mMutex); - mConsumerName = name; -} - -status_t GonkBufferQueue::setDefaultBufferFormat(uint32_t defaultFormat) { - Mutex::Autolock lock(mMutex); - mDefaultBufferFormat = defaultFormat; - return NO_ERROR; -} - -status_t GonkBufferQueue::setConsumerUsageBits(uint32_t usage) { - Mutex::Autolock lock(mMutex); - mConsumerUsageBits = usage; - return NO_ERROR; -} - -status_t GonkBufferQueue::setTransformHint(uint32_t hint) { - ST_LOGV("setTransformHint: %02x", hint); - Mutex::Autolock lock(mMutex); - mTransformHint = hint; - return NO_ERROR; -} - -already_AddRefed<TextureClient> -GonkBufferQueue::getTextureClientFromBuffer(ANativeWindowBuffer* buffer) -{ - Mutex::Autolock _l(mMutex); - if (buffer == NULL) { - ST_LOGE("getSlotFromBufferLocked: encountered NULL buffer"); - return nullptr; - } - - for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { - if (mSlots[i].mGraphicBuffer != NULL && mSlots[i].mGraphicBuffer->handle == buffer->handle) { - RefPtr<TextureClient> client(mSlots[i].mTextureClient); - return client.forget(); - } - } - ST_LOGE("getSlotFromBufferLocked: unknown buffer: %p", buffer->handle); - return nullptr; -} - -int GonkBufferQueue::getSlotFromTextureClientLocked( - TextureClient* client) const -{ - if (client == NULL) { - ST_LOGE("getSlotFromBufferLocked: encountered NULL buffer"); - return BAD_VALUE; - } - - for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { - if (mSlots[i].mTextureClient == client) { - return i; - } - } - ST_LOGE("getSlotFromBufferLocked: unknown TextureClient: %p", client); - return BAD_VALUE; -} - - -status_t GonkBufferQueue::setBufferCount(int bufferCount) { - ST_LOGV("setBufferCount: count=%d", bufferCount); - - sp<ConsumerListener> listener; - { - Mutex::Autolock lock(mMutex); - - if (mAbandoned) { - ST_LOGE("setBufferCount: GonkBufferQueue has been abandoned!"); - return NO_INIT; - } - if (bufferCount > NUM_BUFFER_SLOTS) { - ST_LOGE("setBufferCount: bufferCount too large (max %d)", - NUM_BUFFER_SLOTS); - return BAD_VALUE; - } - - // Error out if the user has dequeued buffers - int maxBufferCount = getMaxBufferCountLocked(); - for (int i=0 ; i<maxBufferCount; i++) { - if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) { - ST_LOGE("setBufferCount: client owns some buffers"); - return -EINVAL; - } - } - - const int minBufferSlots = getMinMaxBufferCountLocked(); - if (bufferCount == 0) { - mOverrideMaxBufferCount = 0; - mDequeueCondition.broadcast(); - return NO_ERROR; - } - - if (bufferCount < minBufferSlots) { - ST_LOGE("setBufferCount: requested buffer count (%d) is less than " - "minimum (%d)", bufferCount, minBufferSlots); - return BAD_VALUE; - } - - // here we're guaranteed that the client doesn't have dequeued buffers - // and will release all of its buffer references. - // - // XXX: Should this use drainQueueAndFreeBuffersLocked instead? - freeAllBuffersLocked(); - mOverrideMaxBufferCount = bufferCount; - mBufferHasBeenQueued = false; - mDequeueCondition.broadcast(); - listener = mConsumerListener; - } // scope for lock - - if (listener != NULL) { - listener->onBuffersReleased(); - } - - return NO_ERROR; -} - -int GonkBufferQueue::query(int what, int* outValue) -{ - Mutex::Autolock lock(mMutex); - - if (mAbandoned) { - ST_LOGE("query: GonkBufferQueue has been abandoned!"); - return NO_INIT; - } - - int value; - switch (what) { - case NATIVE_WINDOW_WIDTH: - value = mDefaultWidth; - break; - case NATIVE_WINDOW_HEIGHT: - value = mDefaultHeight; - break; - case NATIVE_WINDOW_FORMAT: - value = mDefaultBufferFormat; - break; - case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS: - value = getMinUndequeuedBufferCountLocked(); - break; - case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND: - value = (mQueue.size() >= 2); - break; - default: - return BAD_VALUE; - } - outValue[0] = value; - return NO_ERROR; -} - -status_t GonkBufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) { - ST_LOGV("requestBuffer: slot=%d", slot); - Mutex::Autolock lock(mMutex); - if (mAbandoned) { - ST_LOGE("requestBuffer: GonkBufferQueue has been abandoned!"); - return NO_INIT; - } - int maxBufferCount = getMaxBufferCountLocked(); - if (slot < 0 || maxBufferCount <= slot) { - ST_LOGE("requestBuffer: slot index out of range [0, %d]: %d", - maxBufferCount, slot); - return BAD_VALUE; - } else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) { - // XXX: I vaguely recall there was some reason this can be valid, but - // for the life of me I can't recall under what circumstances that's - // the case. - ST_LOGE("requestBuffer: slot %d is not owned by the client (state=%d)", - slot, mSlots[slot].mBufferState); - return BAD_VALUE; - } - mSlots[slot].mRequestBufferCalled = true; - *buf = mSlots[slot].mGraphicBuffer; - return NO_ERROR; -} - -status_t GonkBufferQueue::dequeueBuffer(int *outBuf, sp<Fence>* outFence, - uint32_t w, uint32_t h, uint32_t format, uint32_t usage) { - ST_LOGV("dequeueBuffer: w=%d h=%d fmt=%#x usage=%#x", w, h, format, usage); - - if ((w && !h) || (!w && h)) { - ST_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h); - return BAD_VALUE; - } - - status_t returnFlags(OK); - int buf = INVALID_BUFFER_SLOT; - - { // Scope for the lock - Mutex::Autolock lock(mMutex); - - if (format == 0) { - format = mDefaultBufferFormat; - } - // turn on usage bits the consumer requested - usage |= mConsumerUsageBits; - - int found = -1; - int dequeuedCount = 0; - bool tryAgain = true; - while (tryAgain) { - if (mAbandoned) { - ST_LOGE("dequeueBuffer: GonkBufferQueue has been abandoned!"); - return NO_INIT; - } - - const int maxBufferCount = getMaxBufferCountLocked(); - - // Free up any buffers that are in slots beyond the max buffer - // count. - //for (int i = maxBufferCount; i < NUM_BUFFER_SLOTS; i++) { - // assert(mSlots[i].mBufferState == BufferSlot::FREE); - // if (mSlots[i].mGraphicBuffer != NULL) { - // freeBufferLocked(i); - // returnFlags |= IGraphicBufferProducer::RELEASE_ALL_BUFFERS; - // } - //} - - // look for a free buffer to give to the client - found = INVALID_BUFFER_SLOT; - dequeuedCount = 0; - for (int i = 0; i < maxBufferCount; i++) { - const int state = mSlots[i].mBufferState; - if (state == BufferSlot::DEQUEUED) { - dequeuedCount++; - } - - if (state == BufferSlot::FREE) { - /* We return the oldest of the free buffers to avoid - * stalling the producer if possible. This is because - * the consumer may still have pending reads of the - * buffers in flight. - */ - if ((found < 0) || - mSlots[i].mFrameNumber < mSlots[found].mFrameNumber) { - found = i; - } - } - } - - // clients are not allowed to dequeue more than one buffer - // if they didn't set a buffer count. - if (!mOverrideMaxBufferCount && dequeuedCount) { - ST_LOGE("dequeueBuffer: can't dequeue multiple buffers without " - "setting the buffer count"); - return -EINVAL; - } - - // See whether a buffer has been queued since the last - // setBufferCount so we know whether to perform the min undequeued - // buffers check below. - if (mBufferHasBeenQueued) { - // make sure the client is not trying to dequeue more buffers - // than allowed. - const int newUndequeuedCount = maxBufferCount - (dequeuedCount+1); - const int minUndequeuedCount = getMinUndequeuedBufferCountLocked(); - if (newUndequeuedCount < minUndequeuedCount) { - ST_LOGE("dequeueBuffer: min undequeued buffer count (%d) " - "exceeded (dequeued=%d undequeudCount=%d)", - minUndequeuedCount, dequeuedCount, - newUndequeuedCount); - return -EBUSY; - } - } - - // If no buffer is found, wait for a buffer to be released or for - // the max buffer count to change. - tryAgain = found == INVALID_BUFFER_SLOT; - if (tryAgain) { - mDequeueCondition.wait(mMutex); - } - } - - - if (found == INVALID_BUFFER_SLOT) { - // This should not happen. - ST_LOGE("dequeueBuffer: no available buffer slots"); - return -EBUSY; - } - - buf = found; - *outBuf = found; - - const bool useDefaultSize = !w && !h; - if (useDefaultSize) { - // use the default size - w = mDefaultWidth; - h = mDefaultHeight; - } - - mSlots[buf].mBufferState = BufferSlot::DEQUEUED; - - const sp<GraphicBuffer>& buffer(mSlots[buf].mGraphicBuffer); - if ((buffer == NULL) || - (uint32_t(buffer->width) != w) || - (uint32_t(buffer->height) != h) || - (uint32_t(buffer->format) != format) || - ((uint32_t(buffer->usage) & usage) != usage)) - { - mSlots[buf].mAcquireCalled = false; - mSlots[buf].mGraphicBuffer = NULL; - mSlots[buf].mRequestBufferCalled = false; - mSlots[buf].mFence = Fence::NO_FENCE; - if (mSlots[buf].mTextureClient) { - mSlots[buf].mTextureClient->ClearRecycleCallback(); - // release TextureClient in ImageBridge thread - RefPtr<TextureClientReleaseTask> task = - MakeAndAddRef<TextureClientReleaseTask>(mSlots[buf].mTextureClient); - mSlots[buf].mTextureClient = NULL; - ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(task.forget()); - } - returnFlags |= IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION; - } - - *outFence = mSlots[buf].mFence; - mSlots[buf].mFence = Fence::NO_FENCE; - } // end lock scope - - sp<GraphicBuffer> graphicBuffer; - if (returnFlags & IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION) { - - usage |= GraphicBuffer::USAGE_HW_TEXTURE; - RefPtr<LayersIPCChannel> allocator = ImageBridgeChild::GetSingleton(); - GrallocTextureData* texData = GrallocTextureData::Create(IntSize(w,h), format, - gfx::BackendType::NONE, usage, - allocator); - if (!texData) { - ST_LOGE("dequeueBuffer: failed to alloc gralloc buffer"); - return -ENOMEM; - } - RefPtr<TextureClient> textureClient = new TextureClient(texData, TextureFlags::RECYCLE | TextureFlags::DEALLOCATE_CLIENT, allocator); - sp<GraphicBuffer> graphicBuffer = texData->GetGraphicBuffer(); - - { // Scope for the lock - Mutex::Autolock lock(mMutex); - - if (mAbandoned) { - ST_LOGE("dequeueBuffer: SurfaceTexture has been abandoned!"); - return NO_INIT; - } - - mSlots[buf].mGraphicBuffer = graphicBuffer; - mSlots[buf].mTextureClient = textureClient; - ST_LOGD("dequeueBuffer: returning slot=%d buf=%p ", buf, - mSlots[buf].mGraphicBuffer->handle); - //mSlots[*outBuf].mGraphicBuffer = graphicBuffer; - } - } - - ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", *outBuf, - mSlots[*outBuf].mGraphicBuffer->handle, returnFlags); - - return returnFlags; -} - -status_t GonkBufferQueue::setSynchronousMode(bool enabled) { - ST_LOGV("setSynchronousMode: enabled=%d", enabled); - Mutex::Autolock lock(mMutex); - - if (mAbandoned) { - ST_LOGE("setSynchronousMode: BufferQueue has been abandoned!"); - return NO_INIT; - } - - if (mSynchronousMode != enabled) { - mSynchronousMode = enabled; - mDequeueCondition.broadcast(); - } - return OK; -} - -status_t GonkBufferQueue::queueBuffer(int buf, - const QueueBufferInput& input, QueueBufferOutput* output) { - - Rect crop; - uint32_t transform; - int scalingMode; - int64_t timestamp; - sp<Fence> fence; - - input.deflate(×tamp, &crop, &scalingMode, &transform, &fence); - -#if ANDROID_VERSION >= 18 - if (fence == NULL) { - ST_LOGE("queueBuffer: fence is NULL"); - return BAD_VALUE; - } -#endif - - ST_LOGV("queueBuffer: slot=%d time=%#llx crop=[%d,%d,%d,%d] tr=%#x " - "scale=%s", - buf, timestamp, crop.left, crop.top, crop.right, crop.bottom, - transform, scalingModeName(scalingMode)); - - sp<ConsumerListener> listener; - - { // scope for the lock - Mutex::Autolock lock(mMutex); - if (mAbandoned) { - ST_LOGE("queueBuffer: GonkBufferQueue has been abandoned!"); - return NO_INIT; - } - int maxBufferCount = getMaxBufferCountLocked(); - if (buf < 0 || buf >= maxBufferCount) { - ST_LOGE("queueBuffer: slot index out of range [0, %d]: %d", - maxBufferCount, buf); - return -EINVAL; - } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { - ST_LOGE("queueBuffer: slot %d is not owned by the client " - "(state=%d)", buf, mSlots[buf].mBufferState); - return -EINVAL; - } else if (!mSlots[buf].mRequestBufferCalled) { - ST_LOGE("queueBuffer: slot %d was enqueued without requesting a " - "buffer", buf); - return -EINVAL; - } - - const sp<GraphicBuffer>& graphicBuffer(mSlots[buf].mGraphicBuffer); - Rect bufferRect(graphicBuffer->getWidth(), graphicBuffer->getHeight()); - Rect croppedCrop; - crop.intersect(bufferRect, &croppedCrop); - if (croppedCrop != crop) { - ST_LOGE("queueBuffer: crop rect is not contained within the " - "buffer in slot %d", buf); - return -EINVAL; - } - - if (mSynchronousMode) { - // In synchronous mode we queue all buffers in a FIFO. - mQueue.push_back(buf); - } else { - // In asynchronous mode we only keep the most recent buffer. - if (mQueue.empty()) { - mQueue.push_back(buf); - } else { - Fifo::iterator front(mQueue.begin()); - // buffer currently queued is freed - mSlots[*front].mBufferState = BufferSlot::FREE; - // and we record the new buffer index in the queued list - *front = buf; - } - } - // always signals that an additional frame should be consumed - // to handle max acquired buffer count reached case. - listener = mConsumerListener; - - mSlots[buf].mTimestamp = timestamp; - mSlots[buf].mCrop = crop; - mSlots[buf].mTransform = transform; - mSlots[buf].mFence = fence; - - switch (scalingMode) { - case NATIVE_WINDOW_SCALING_MODE_FREEZE: - case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: - case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: - break; - default: - ST_LOGE("unknown scaling mode: %d (ignoring)", scalingMode); - scalingMode = mSlots[buf].mScalingMode; - break; - } - - mSlots[buf].mBufferState = BufferSlot::QUEUED; - mSlots[buf].mScalingMode = scalingMode; - mFrameCounter++; - mSlots[buf].mFrameNumber = mFrameCounter; - - mBufferHasBeenQueued = true; - mDequeueCondition.broadcast(); - - output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint, - mQueue.size()); - } // scope for the lock - - // call back without lock held - if (listener != 0) { - listener->onFrameAvailable(); - } - return NO_ERROR; -} - -#if ANDROID_VERSION == 17 -void GonkBufferQueue::cancelBuffer(int buf, sp<Fence> fence) { -#else -void GonkBufferQueue::cancelBuffer(int buf, const sp<Fence>& fence) { -#endif - - ST_LOGV("cancelBuffer: slot=%d", buf); - Mutex::Autolock lock(mMutex); - - if (mAbandoned) { - ST_LOGW("cancelBuffer: GonkBufferQueue has been abandoned!"); - return; - } - - int maxBufferCount = getMaxBufferCountLocked(); - if (buf < 0 || buf >= maxBufferCount) { - ST_LOGE("cancelBuffer: slot index out of range [0, %d]: %d", - maxBufferCount, buf); - return; - } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { - ST_LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)", - buf, mSlots[buf].mBufferState); - return; -#if ANDROID_VERSION >= 18 - } else if (fence == NULL) { - ST_LOGE("cancelBuffer: fence is NULL"); - return; -#endif - } - mSlots[buf].mBufferState = BufferSlot::FREE; - mSlots[buf].mFrameNumber = 0; - mSlots[buf].mFence = fence; - mDequeueCondition.broadcast(); -} - -status_t GonkBufferQueue::connect(int api, QueueBufferOutput* output) { - ST_LOGV("connect: api=%d", api); - Mutex::Autolock lock(mMutex); - - if (mAbandoned) { - ST_LOGE("connect: GonkBufferQueue has been abandoned!"); - return NO_INIT; - } - - if (mConsumerListener == NULL) { - ST_LOGE("connect: GonkBufferQueue has no consumer!"); - return NO_INIT; - } - - int err = NO_ERROR; - switch (api) { - case NATIVE_WINDOW_API_EGL: - case NATIVE_WINDOW_API_CPU: - case NATIVE_WINDOW_API_MEDIA: - case NATIVE_WINDOW_API_CAMERA: - if (mConnectedApi != NO_CONNECTED_API) { - ST_LOGE("connect: already connected (cur=%d, req=%d)", - mConnectedApi, api); - err = -EINVAL; - } else { - mConnectedApi = api; - output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint, - mQueue.size()); - } - break; - default: - err = -EINVAL; - break; - } - - mBufferHasBeenQueued = false; - - return err; -} - -status_t GonkBufferQueue::disconnect(int api) { - ST_LOGV("disconnect: api=%d", api); - - int err = NO_ERROR; - sp<ConsumerListener> listener; - - { // Scope for the lock - Mutex::Autolock lock(mMutex); - - if (mAbandoned) { - // it is not really an error to disconnect after the surface - // has been abandoned, it should just be a no-op. - return NO_ERROR; - } - - switch (api) { - case NATIVE_WINDOW_API_EGL: - case NATIVE_WINDOW_API_CPU: - case NATIVE_WINDOW_API_MEDIA: - case NATIVE_WINDOW_API_CAMERA: - if (mConnectedApi == api) { - freeAllBuffersLocked(); - mConnectedApi = NO_CONNECTED_API; - mDequeueCondition.broadcast(); - listener = mConsumerListener; - } else { - ST_LOGE("disconnect: connected to another api (cur=%d, req=%d)", - mConnectedApi, api); - err = -EINVAL; - } - break; - default: - ST_LOGE("disconnect: unknown API %d", api); - err = -EINVAL; - break; - } - } - - if (listener != NULL) { - listener->onBuffersReleased(); - } - - return err; -} - -void GonkBufferQueue::dumpToString(String8& result) const -{ - char buffer[1024]; - GonkBufferQueue::dumpToString(result, "", buffer, 1024); -} - -void GonkBufferQueue::dumpToString(String8& result, const char* prefix, - char* buffer, size_t SIZE) const -{ - Mutex::Autolock _l(mMutex); - - String8 fifo; - int fifoSize = 0; - Fifo::const_iterator i(mQueue.begin()); - while (i != mQueue.end()) { - snprintf(buffer, SIZE, "%02d ", *i++); - fifoSize++; - fifo.append(buffer); - } - - int maxBufferCount = getMaxBufferCountLocked(); - - snprintf(buffer, SIZE, - "%s-BufferQueue maxBufferCount=%d, mSynchronousMode=%d, default-size=[%dx%d], " - "default-format=%d, transform-hint=%02x, FIFO(%d)={%s}\n", - prefix, maxBufferCount, mSynchronousMode, mDefaultWidth, - mDefaultHeight, mDefaultBufferFormat, mTransformHint, - fifoSize, fifo.string()); - result.append(buffer); - - - struct { - const char * operator()(int state) const { - switch (state) { - case BufferSlot::DEQUEUED: return "DEQUEUED"; - case BufferSlot::QUEUED: return "QUEUED"; - case BufferSlot::FREE: return "FREE"; - case BufferSlot::ACQUIRED: return "ACQUIRED"; - default: return "Unknown"; - } - } - } stateName; - - for (int i=0 ; i<maxBufferCount ; i++) { - const BufferSlot& slot(mSlots[i]); - snprintf(buffer, SIZE, - "%s%s[%02d] " - "state=%-8s, crop=[%d,%d,%d,%d], " - "xform=0x%02x, time=%#llx, scale=%s", - prefix, (slot.mBufferState == BufferSlot::ACQUIRED)?">":" ", i, - stateName(slot.mBufferState), - slot.mCrop.left, slot.mCrop.top, slot.mCrop.right, - slot.mCrop.bottom, slot.mTransform, slot.mTimestamp, - scalingModeName(slot.mScalingMode) - ); - result.append(buffer); - - const sp<GraphicBuffer>& buf(slot.mGraphicBuffer); - if (buf != NULL) { - snprintf(buffer, SIZE, - ", %p [%4ux%4u:%4u,%3X]", - buf->handle, buf->width, buf->height, buf->stride, - buf->format); - result.append(buffer); - } - result.append("\n"); - } -} - -void GonkBufferQueue::freeAllBuffersLocked() -{ - ALOGW_IF(!mQueue.isEmpty(), - "freeAllBuffersLocked called but mQueue is not empty"); - mQueue.clear(); - mBufferHasBeenQueued = false; - for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { - mSlots[i].mGraphicBuffer = 0; - if (mSlots[i].mTextureClient) { - mSlots[i].mTextureClient->ClearRecycleCallback(); - // release TextureClient in ImageBridge thread - RefPtr<TextureClientReleaseTask> task = - MakeAndAddRef<TextureClientReleaseTask>(mSlots[i].mTextureClient); - mSlots[i].mTextureClient = NULL; - ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(task.forget()); - } - if (mSlots[i].mBufferState == BufferSlot::ACQUIRED) { - mSlots[i].mNeedsCleanupOnRelease = true; - } - mSlots[i].mBufferState = BufferSlot::FREE; - mSlots[i].mFrameNumber = 0; - mSlots[i].mAcquireCalled = false; - // destroy fence as GonkBufferQueue now takes ownership - mSlots[i].mFence = Fence::NO_FENCE; - } -} - -status_t GonkBufferQueue::acquireBuffer(BufferItem *buffer) { - Mutex::Autolock _l(mMutex); - - // Check that the consumer doesn't currently have the maximum number of - // buffers acquired. We allow the max buffer count to be exceeded by one - // buffer, so that the consumer can successfully set up the newly acquired - // buffer before releasing the old one. - int numAcquiredBuffers = 0; - for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { - if (mSlots[i].mBufferState == BufferSlot::ACQUIRED) { - numAcquiredBuffers++; - } - } - if (numAcquiredBuffers >= mMaxAcquiredBufferCount+1) { - ST_LOGE("acquireBuffer: max acquired buffer count reached: %d (max=%d)", - numAcquiredBuffers, mMaxAcquiredBufferCount); - return INVALID_OPERATION; - } - - // check if queue is empty - // In asynchronous mode the list is guaranteed to be one buffer - // deep, while in synchronous mode we use the oldest buffer. - if (!mQueue.empty()) { - Fifo::iterator front(mQueue.begin()); - int buf = *front; - - // In android, when the buffer is aquired by BufferConsumer, - // BufferQueue releases a reference to the buffer and - // it's ownership moves to the BufferConsumer. - // In b2g, GonkBufferQueue continues to have a buffer ownership. - // It is necessary to free buffer via ImageBridgeChild. - - //if (mSlots[buf].mAcquireCalled) { - // buffer->mGraphicBuffer = NULL; - //} else { - // buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer; - //} - buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer; - buffer->mCrop = mSlots[buf].mCrop; - buffer->mTransform = mSlots[buf].mTransform; - buffer->mScalingMode = mSlots[buf].mScalingMode; - buffer->mFrameNumber = mSlots[buf].mFrameNumber; - buffer->mTimestamp = mSlots[buf].mTimestamp; - buffer->mBuf = buf; - buffer->mFence = mSlots[buf].mFence; - - mSlots[buf].mAcquireCalled = true; - mSlots[buf].mNeedsCleanupOnRelease = false; - mSlots[buf].mBufferState = BufferSlot::ACQUIRED; - mSlots[buf].mFence = Fence::NO_FENCE; - - mQueue.erase(front); - mDequeueCondition.broadcast(); - } else { - return NO_BUFFER_AVAILABLE; - } - - return NO_ERROR; -} - -status_t GonkBufferQueue::releaseBuffer(int buf, const sp<Fence>& fence) { - Mutex::Autolock _l(mMutex); - -#if ANDROID_VERSION == 17 - if (buf == INVALID_BUFFER_SLOT) { -#else - if (buf == INVALID_BUFFER_SLOT || fence == NULL) { -#endif - return BAD_VALUE; - } - - mSlots[buf].mFence = fence; - - // The buffer can now only be released if its in the acquired state - if (mSlots[buf].mBufferState == BufferSlot::ACQUIRED) { - mSlots[buf].mBufferState = BufferSlot::FREE; - } else if (mSlots[buf].mNeedsCleanupOnRelease) { - ST_LOGV("releasing a stale buf %d its state was %d", buf, mSlots[buf].mBufferState); - mSlots[buf].mNeedsCleanupOnRelease = false; - return STALE_BUFFER_SLOT; - } else { - ST_LOGE("attempted to release buf %d but its state was %d", buf, mSlots[buf].mBufferState); - return -EINVAL; - } - - mDequeueCondition.broadcast(); - return NO_ERROR; -} - -status_t GonkBufferQueue::consumerConnect(const sp<ConsumerListener>& consumerListener) { - ST_LOGV("consumerConnect"); - Mutex::Autolock lock(mMutex); - - if (mAbandoned) { - ST_LOGE("consumerConnect: GonkBufferQueue has been abandoned!"); - return NO_INIT; - } - if (consumerListener == NULL) { - ST_LOGE("consumerConnect: consumerListener may not be NULL"); - return BAD_VALUE; - } - - mConsumerListener = consumerListener; - - return NO_ERROR; -} - -status_t GonkBufferQueue::consumerDisconnect() { - ST_LOGV("consumerDisconnect"); - Mutex::Autolock lock(mMutex); - - if (mConsumerListener == NULL) { - ST_LOGE("consumerDisconnect: No consumer is connected!"); - return -EINVAL; - } - - mAbandoned = true; - mConsumerListener = NULL; - mQueue.clear(); - freeAllBuffersLocked(); - mDequeueCondition.broadcast(); - return NO_ERROR; -} - -status_t GonkBufferQueue::getReleasedBuffers(uint32_t* slotMask) { - ST_LOGV("getReleasedBuffers"); - Mutex::Autolock lock(mMutex); - - if (mAbandoned) { - ST_LOGE("getReleasedBuffers: GonkBufferQueue has been abandoned!"); - return NO_INIT; - } - - uint32_t mask = 0; - for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { - if (!mSlots[i].mAcquireCalled) { - mask |= 1 << i; - } - } - *slotMask = mask; - - ST_LOGV("getReleasedBuffers: returning mask %#x", mask); - return NO_ERROR; -} - -status_t GonkBufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h) -{ - ST_LOGV("setDefaultBufferSize: w=%d, h=%d", w, h); - if (!w || !h) { - ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)", - w, h); - return BAD_VALUE; - } - - Mutex::Autolock lock(mMutex); - mDefaultWidth = w; - mDefaultHeight = h; - return NO_ERROR; -} - -status_t GonkBufferQueue::setDefaultMaxBufferCount(int bufferCount) { - Mutex::Autolock lock(mMutex); - return setDefaultMaxBufferCountLocked(bufferCount); -} - -status_t GonkBufferQueue::setMaxAcquiredBufferCount(int maxAcquiredBuffers) { - Mutex::Autolock lock(mMutex); - if (maxAcquiredBuffers < 1 || maxAcquiredBuffers > MAX_MAX_ACQUIRED_BUFFERS) { - ST_LOGE("setMaxAcquiredBufferCount: invalid count specified: %d", - maxAcquiredBuffers); - return BAD_VALUE; - } - if (mConnectedApi != NO_CONNECTED_API) { - return INVALID_OPERATION; - } - mMaxAcquiredBufferCount = maxAcquiredBuffers; - return NO_ERROR; -} - -int GonkBufferQueue::getMinMaxBufferCountLocked() const { - return getMinUndequeuedBufferCountLocked() + 1; -} - -int GonkBufferQueue::getMinUndequeuedBufferCountLocked() const { - return mSynchronousMode ? mMaxAcquiredBufferCount : - mMaxAcquiredBufferCount + 1; -} - -int GonkBufferQueue::getMaxBufferCountLocked() const { - int minMaxBufferCount = getMinMaxBufferCountLocked(); - - int maxBufferCount = mDefaultMaxBufferCount; - if (maxBufferCount < minMaxBufferCount) { - maxBufferCount = minMaxBufferCount; - } - if (mOverrideMaxBufferCount != 0) { - assert(mOverrideMaxBufferCount >= minMaxBufferCount); - maxBufferCount = mOverrideMaxBufferCount; - } - - // Any buffers that are dequeued by the producer or sitting in the queue - // waiting to be consumed need to have their slots preserved. Such - // buffers will temporarily keep the max buffer count up until the slots - // no longer need to be preserved. - for (int i = maxBufferCount; i < NUM_BUFFER_SLOTS; i++) { - BufferSlot::BufferState state = mSlots[i].mBufferState; - if (state == BufferSlot::QUEUED || state == BufferSlot::DEQUEUED) { - maxBufferCount = i + 1; - } - } - - return maxBufferCount; -} - -GonkBufferQueue::ProxyConsumerListener::ProxyConsumerListener( - const wp<GonkBufferQueue::ConsumerListener>& consumerListener): - mConsumerListener(consumerListener) {} - -GonkBufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {} - -void GonkBufferQueue::ProxyConsumerListener::onFrameAvailable() { - sp<GonkBufferQueue::ConsumerListener> listener(mConsumerListener.promote()); - if (listener != NULL) { - listener->onFrameAvailable(); - } -} - -void GonkBufferQueue::ProxyConsumerListener::onBuffersReleased() { - sp<GonkBufferQueue::ConsumerListener> listener(mConsumerListener.promote()); - if (listener != NULL) { - listener->onBuffersReleased(); - } -} - -}; // namespace android |