mirror of
https://github.com/mozilla/gecko-dev.git
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1048 lines
35 KiB
C++
Executable File
1048 lines
35 KiB
C++
Executable File
/*
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* Copyright (C) 2012 The Android Open Source Project
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* Copyright (C) 2013 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "GonkBufferQueue"
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#define ATRACE_TAG ATRACE_TAG_GRAPHICS
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#define LOG_NDEBUG 0
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#define GL_GLEXT_PROTOTYPES
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#define EGL_EGLEXT_PROTOTYPES
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#include <utils/Log.h>
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#include "mozilla/layers/ImageBridgeChild.h"
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#include "GonkBufferQueue.h"
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// Macros for including the GonkBufferQueue name in log messages
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#define ST_LOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)
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#define ST_LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
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#define ST_LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
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#define ST_LOGW(...) __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)
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#define ST_LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
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#define ATRACE_BUFFER_INDEX(index)
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using namespace mozilla::layers;
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namespace android {
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// Get an ID that's unique within this process.
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static int32_t createProcessUniqueId() {
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static volatile int32_t globalCounter = 0;
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return android_atomic_inc(&globalCounter);
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}
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static const char* scalingModeName(int scalingMode) {
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switch (scalingMode) {
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case NATIVE_WINDOW_SCALING_MODE_FREEZE: return "FREEZE";
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case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: return "SCALE_TO_WINDOW";
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case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: return "SCALE_CROP";
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default: return "Unknown";
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}
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}
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GonkBufferQueue::GonkBufferQueue(bool allowSynchronousMode,
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const sp<IGraphicBufferAlloc>& allocator) :
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mDefaultWidth(1),
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mDefaultHeight(1),
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mMaxAcquiredBufferCount(1),
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mDefaultMaxBufferCount(2),
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mOverrideMaxBufferCount(0),
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mSynchronousMode(true), // GonkBufferQueue always works in sync mode.
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mAllowSynchronousMode(allowSynchronousMode),
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mConnectedApi(NO_CONNECTED_API),
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mAbandoned(false),
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mFrameCounter(0),
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mBufferHasBeenQueued(false),
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mDefaultBufferFormat(PIXEL_FORMAT_RGBA_8888),
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mConsumerUsageBits(0),
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mTransformHint(0),
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mGeneration(0)
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{
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// Choose a name using the PID and a process-unique ID.
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mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
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ST_LOGV("GonkBufferQueue");
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}
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GonkBufferQueue::~GonkBufferQueue() {
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ST_LOGV("~GonkBufferQueue");
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}
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status_t GonkBufferQueue::setDefaultMaxBufferCountLocked(int count) {
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if (count < 2 || count > NUM_BUFFER_SLOTS)
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return BAD_VALUE;
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mDefaultMaxBufferCount = count;
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mDequeueCondition.broadcast();
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return NO_ERROR;
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}
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bool GonkBufferQueue::isSynchronousMode() const {
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Mutex::Autolock lock(mMutex);
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return mSynchronousMode;
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}
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void GonkBufferQueue::setConsumerName(const String8& name) {
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Mutex::Autolock lock(mMutex);
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mConsumerName = name;
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}
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status_t GonkBufferQueue::setDefaultBufferFormat(uint32_t defaultFormat) {
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Mutex::Autolock lock(mMutex);
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mDefaultBufferFormat = defaultFormat;
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return NO_ERROR;
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}
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status_t GonkBufferQueue::setConsumerUsageBits(uint32_t usage) {
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Mutex::Autolock lock(mMutex);
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mConsumerUsageBits = usage;
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return NO_ERROR;
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}
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status_t GonkBufferQueue::setTransformHint(uint32_t hint) {
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ST_LOGV("setTransformHint: %02x", hint);
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Mutex::Autolock lock(mMutex);
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mTransformHint = hint;
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return NO_ERROR;
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}
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int GonkBufferQueue::getGeneration() {
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return mGeneration;
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}
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mozilla::layers::SurfaceDescriptor*
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GonkBufferQueue::getSurfaceDescriptorFromBuffer(ANativeWindowBuffer* buffer)
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{
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Mutex::Autolock _l(mMutex);
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if (buffer == NULL) {
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ST_LOGE("getSlotFromBufferLocked: encountered NULL buffer");
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return nullptr;
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}
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for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
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if (mSlots[i].mGraphicBuffer != NULL && mSlots[i].mGraphicBuffer->handle == buffer->handle) {
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return &mSlots[i].mSurfaceDescriptor;
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}
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}
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ST_LOGE("getSlotFromBufferLocked: unknown buffer: %p", buffer->handle);
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return nullptr;
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}
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status_t GonkBufferQueue::setBufferCount(int bufferCount) {
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ST_LOGV("setBufferCount: count=%d", bufferCount);
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sp<ConsumerListener> listener;
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nsAutoTArray<SurfaceDescriptor, NUM_BUFFER_SLOTS> freeList;
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{
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Mutex::Autolock lock(mMutex);
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if (mAbandoned) {
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ST_LOGE("setBufferCount: GonkBufferQueue has been abandoned!");
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return NO_INIT;
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}
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if (bufferCount > NUM_BUFFER_SLOTS) {
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ST_LOGE("setBufferCount: bufferCount too large (max %d)",
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NUM_BUFFER_SLOTS);
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return BAD_VALUE;
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}
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// Error out if the user has dequeued buffers
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int maxBufferCount = getMaxBufferCountLocked();
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for (int i=0 ; i<maxBufferCount; i++) {
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if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) {
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ST_LOGE("setBufferCount: client owns some buffers");
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return -EINVAL;
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}
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}
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const int minBufferSlots = getMinMaxBufferCountLocked();
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if (bufferCount == 0) {
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mOverrideMaxBufferCount = 0;
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mDequeueCondition.broadcast();
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return NO_ERROR;
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}
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if (bufferCount < minBufferSlots) {
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ST_LOGE("setBufferCount: requested buffer count (%d) is less than "
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"minimum (%d)", bufferCount, minBufferSlots);
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return BAD_VALUE;
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}
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// here we're guaranteed that the client doesn't have dequeued buffers
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// and will release all of its buffer references.
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//
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// XXX: Should this use drainQueueAndFreeBuffersLocked instead?
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freeAllBuffersLocked(freeList);
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mOverrideMaxBufferCount = bufferCount;
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mBufferHasBeenQueued = false;
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mDequeueCondition.broadcast();
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listener = mConsumerListener;
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} // scope for lock
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releaseBufferFreeListUnlocked(freeList);
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if (listener != NULL) {
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listener->onBuffersReleased();
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}
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return NO_ERROR;
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}
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int GonkBufferQueue::query(int what, int* outValue)
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{
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Mutex::Autolock lock(mMutex);
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if (mAbandoned) {
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ST_LOGE("query: GonkBufferQueue has been abandoned!");
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return NO_INIT;
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}
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int value;
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switch (what) {
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case NATIVE_WINDOW_WIDTH:
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value = mDefaultWidth;
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break;
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case NATIVE_WINDOW_HEIGHT:
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value = mDefaultHeight;
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break;
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case NATIVE_WINDOW_FORMAT:
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value = mDefaultBufferFormat;
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break;
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case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS:
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value = getMinUndequeuedBufferCountLocked();
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break;
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case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND:
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value = (mQueue.size() >= 2);
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break;
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default:
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return BAD_VALUE;
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}
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outValue[0] = value;
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return NO_ERROR;
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}
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status_t GonkBufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
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ST_LOGV("requestBuffer: slot=%d", slot);
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Mutex::Autolock lock(mMutex);
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if (mAbandoned) {
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ST_LOGE("requestBuffer: GonkBufferQueue has been abandoned!");
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return NO_INIT;
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}
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int maxBufferCount = getMaxBufferCountLocked();
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if (slot < 0 || maxBufferCount <= slot) {
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ST_LOGE("requestBuffer: slot index out of range [0, %d]: %d",
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maxBufferCount, slot);
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return BAD_VALUE;
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} else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) {
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// XXX: I vaguely recall there was some reason this can be valid, but
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// for the life of me I can't recall under what circumstances that's
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// the case.
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ST_LOGE("requestBuffer: slot %d is not owned by the client (state=%d)",
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slot, mSlots[slot].mBufferState);
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return BAD_VALUE;
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}
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mSlots[slot].mRequestBufferCalled = true;
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*buf = mSlots[slot].mGraphicBuffer;
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return NO_ERROR;
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}
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status_t GonkBufferQueue::dequeueBuffer(int *outBuf, sp<Fence>* outFence,
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uint32_t w, uint32_t h, uint32_t format, uint32_t usage) {
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ST_LOGV("dequeueBuffer: w=%d h=%d fmt=%#x usage=%#x", w, h, format, usage);
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if ((w && !h) || (!w && h)) {
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ST_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h);
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return BAD_VALUE;
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}
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status_t returnFlags(OK);
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uint32_t generation;
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int buf = INVALID_BUFFER_SLOT;
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SurfaceDescriptor descOld;
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{ // Scope for the lock
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Mutex::Autolock lock(mMutex);
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generation = mGeneration;
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if (format == 0) {
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format = mDefaultBufferFormat;
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}
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// turn on usage bits the consumer requested
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usage |= mConsumerUsageBits;
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int found = -1;
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int dequeuedCount = 0;
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bool tryAgain = true;
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while (tryAgain) {
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if (mAbandoned) {
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ST_LOGE("dequeueBuffer: GonkBufferQueue has been abandoned!");
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return NO_INIT;
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}
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const int maxBufferCount = getMaxBufferCountLocked();
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// Free up any buffers that are in slots beyond the max buffer
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// count.
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//for (int i = maxBufferCount; i < NUM_BUFFER_SLOTS; i++) {
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// assert(mSlots[i].mBufferState == BufferSlot::FREE);
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// if (mSlots[i].mGraphicBuffer != NULL) {
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// freeBufferLocked(i);
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// returnFlags |= IGraphicBufferProducer::RELEASE_ALL_BUFFERS;
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// }
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//}
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// look for a free buffer to give to the client
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found = INVALID_BUFFER_SLOT;
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dequeuedCount = 0;
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for (int i = 0; i < maxBufferCount; i++) {
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const int state = mSlots[i].mBufferState;
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if (state == BufferSlot::DEQUEUED) {
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dequeuedCount++;
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}
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if (state == BufferSlot::FREE) {
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/* We return the oldest of the free buffers to avoid
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* stalling the producer if possible. This is because
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* the consumer may still have pending reads of the
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* buffers in flight.
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*/
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if ((found < 0) ||
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mSlots[i].mFrameNumber < mSlots[found].mFrameNumber) {
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found = i;
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}
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}
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}
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// clients are not allowed to dequeue more than one buffer
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// if they didn't set a buffer count.
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if (!mOverrideMaxBufferCount && dequeuedCount) {
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ST_LOGE("dequeueBuffer: can't dequeue multiple buffers without "
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"setting the buffer count");
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return -EINVAL;
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}
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// See whether a buffer has been queued since the last
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// setBufferCount so we know whether to perform the min undequeued
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// buffers check below.
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if (mBufferHasBeenQueued) {
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// make sure the client is not trying to dequeue more buffers
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// than allowed.
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const int newUndequeuedCount = maxBufferCount - (dequeuedCount+1);
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const int minUndequeuedCount = getMinUndequeuedBufferCountLocked();
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if (newUndequeuedCount < minUndequeuedCount) {
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ST_LOGE("dequeueBuffer: min undequeued buffer count (%d) "
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"exceeded (dequeued=%d undequeudCount=%d)",
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minUndequeuedCount, dequeuedCount,
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newUndequeuedCount);
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return -EBUSY;
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}
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}
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// If no buffer is found, wait for a buffer to be released or for
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// the max buffer count to change.
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tryAgain = found == INVALID_BUFFER_SLOT;
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if (tryAgain) {
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mDequeueCondition.wait(mMutex);
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}
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}
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if (found == INVALID_BUFFER_SLOT) {
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// This should not happen.
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ST_LOGE("dequeueBuffer: no available buffer slots");
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return -EBUSY;
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}
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buf = found;
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*outBuf = found;
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const bool useDefaultSize = !w && !h;
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if (useDefaultSize) {
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// use the default size
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w = mDefaultWidth;
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h = mDefaultHeight;
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}
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mSlots[buf].mBufferState = BufferSlot::DEQUEUED;
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const sp<GraphicBuffer>& buffer(mSlots[buf].mGraphicBuffer);
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if ((buffer == NULL) ||
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(uint32_t(buffer->width) != w) ||
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(uint32_t(buffer->height) != h) ||
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(uint32_t(buffer->format) != format) ||
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((uint32_t(buffer->usage) & usage) != usage))
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{
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mSlots[buf].mAcquireCalled = false;
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mSlots[buf].mGraphicBuffer = NULL;
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mSlots[buf].mRequestBufferCalled = false;
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mSlots[buf].mFence = Fence::NO_FENCE;
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descOld = mSlots[buf].mSurfaceDescriptor;
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mSlots[buf].mSurfaceDescriptor = SurfaceDescriptor();
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returnFlags |= IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION;
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}
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*outFence = mSlots[buf].mFence;
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mSlots[buf].mFence = Fence::NO_FENCE;
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} // end lock scope
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SurfaceDescriptor desc;
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ImageBridgeChild* ibc;
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sp<GraphicBuffer> graphicBuffer;
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if (returnFlags & IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION) {
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usage |= GraphicBuffer::USAGE_HW_TEXTURE;
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status_t error;
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ibc = ImageBridgeChild::GetSingleton();
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ST_LOGD("dequeueBuffer: about to alloc surface descriptor");
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ibc->AllocSurfaceDescriptorGralloc(gfxIntSize(w, h),
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format,
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usage,
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&desc);
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// We can only use a gralloc buffer here. If we didn't get
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// one back, something went wrong.
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ST_LOGD("dequeueBuffer: got surface descriptor");
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if (SurfaceDescriptor::TSurfaceDescriptorGralloc != desc.type()) {
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MOZ_ASSERT(SurfaceDescriptor::T__None == desc.type());
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ST_LOGE("dequeueBuffer: failed to alloc gralloc buffer");
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return -ENOMEM;
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}
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graphicBuffer = GrallocBufferActor::GetFrom(desc.get_SurfaceDescriptorGralloc());
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error = graphicBuffer->initCheck();
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if (error != NO_ERROR) {
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ST_LOGE("dequeueBuffer: createGraphicBuffer failed with error %d", error);
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return error;
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}
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bool tooOld = false;
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{ // Scope for the lock
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Mutex::Autolock lock(mMutex);
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if (mAbandoned) {
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ST_LOGE("dequeueBuffer: SurfaceTexture has been abandoned!");
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return NO_INIT;
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}
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if (generation == mGeneration) {
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mSlots[buf].mGraphicBuffer = graphicBuffer;
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mSlots[buf].mSurfaceDescriptor = desc;
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mSlots[buf].mSurfaceDescriptor.get_SurfaceDescriptorGralloc().external() = true;
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ST_LOGD("dequeueBuffer: returning slot=%d buf=%p ", buf,
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mSlots[buf].mGraphicBuffer->handle);
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} else {
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tooOld = true;
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}
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//mSlots[*outBuf].mGraphicBuffer = graphicBuffer;
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}
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if (IsSurfaceDescriptorValid(descOld)) {
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ibc->DeallocSurfaceDescriptorGralloc(descOld);
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}
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if (tooOld) {
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ibc->DeallocSurfaceDescriptorGralloc(desc);
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}
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}
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ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", *outBuf,
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mSlots[*outBuf].mGraphicBuffer->handle, returnFlags);
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return returnFlags;
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}
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status_t GonkBufferQueue::setSynchronousMode(bool enabled) {
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return NO_ERROR;
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}
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status_t GonkBufferQueue::queueBuffer(int buf,
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const QueueBufferInput& input, QueueBufferOutput* output) {
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Rect crop;
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uint32_t transform;
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int scalingMode;
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int64_t timestamp;
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sp<Fence> fence;
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input.deflate(×tamp, &crop, &scalingMode, &transform, &fence);
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if (fence == NULL) {
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ST_LOGE("queueBuffer: fence is NULL");
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return BAD_VALUE;
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}
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ST_LOGV("queueBuffer: slot=%d time=%#llx crop=[%d,%d,%d,%d] tr=%#x "
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"scale=%s",
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buf, timestamp, crop.left, crop.top, crop.right, crop.bottom,
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transform, scalingModeName(scalingMode));
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sp<ConsumerListener> listener;
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{ // scope for the lock
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Mutex::Autolock lock(mMutex);
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if (mAbandoned) {
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ST_LOGE("queueBuffer: GonkBufferQueue has been abandoned!");
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return NO_INIT;
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}
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int maxBufferCount = getMaxBufferCountLocked();
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if (buf < 0 || buf >= maxBufferCount) {
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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);
|
|
|
|
// Synchronous mode always signals that an additional frame should
|
|
// be consumed.
|
|
listener = mConsumerListener;
|
|
} else {
|
|
// In asynchronous mode we only keep the most recent buffer.
|
|
if (mQueue.empty()) {
|
|
mQueue.push_back(buf);
|
|
|
|
// Asynchronous mode only signals that a frame should be
|
|
// consumed if no previous frame was pending. If a frame were
|
|
// pending then the consumer would have already been notified.
|
|
listener = mConsumerListener;
|
|
} 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;
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
void GonkBufferQueue::cancelBuffer(int buf, const sp<Fence>& fence) {
|
|
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;
|
|
} else if (fence == NULL) {
|
|
ST_LOGE("cancelBuffer: fence is NULL");
|
|
return;
|
|
}
|
|
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;
|
|
nsAutoTArray<SurfaceDescriptor, NUM_BUFFER_SLOTS> freeList;
|
|
|
|
{ // 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(freeList);
|
|
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;
|
|
}
|
|
}
|
|
releaseBufferFreeListUnlocked(freeList);
|
|
|
|
if (listener != NULL) {
|
|
listener->onBuffersReleased();
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
void GonkBufferQueue::dump(String8& result) const
|
|
{
|
|
char buffer[1024];
|
|
GonkBufferQueue::dump(result, "", buffer, 1024);
|
|
}
|
|
|
|
void GonkBufferQueue::dump(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::releaseBufferFreeListUnlocked(nsTArray<SurfaceDescriptor>& freeList)
|
|
{
|
|
// This function MUST ONLY be called with mMutex unlocked; else there
|
|
// is a risk of deadlock with the ImageBridge thread.
|
|
|
|
ST_LOGD("releaseBufferFreeListUnlocked: E");
|
|
ImageBridgeChild *ibc = ImageBridgeChild::GetSingleton();
|
|
|
|
for (uint32_t i = 0; i < freeList.Length(); ++i) {
|
|
ibc->DeallocSurfaceDescriptorGralloc(freeList[i]);
|
|
}
|
|
|
|
freeList.Clear();
|
|
ST_LOGD("releaseBufferFreeListUnlocked: X");
|
|
}
|
|
|
|
void GonkBufferQueue::freeAllBuffersLocked(nsTArray<SurfaceDescriptor>& freeList)
|
|
{
|
|
ALOGW_IF(!mQueue.isEmpty(),
|
|
"freeAllBuffersLocked called but mQueue is not empty");
|
|
++mGeneration;
|
|
mQueue.clear();
|
|
mBufferHasBeenQueued = false;
|
|
for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
|
|
if (mSlots[i].mGraphicBuffer.get() && mSlots[i].mBufferState != BufferSlot::ACQUIRED) {
|
|
SurfaceDescriptor* desc = freeList.AppendElement();
|
|
*desc = mSlots[i].mSurfaceDescriptor;
|
|
}
|
|
mSlots[i].mGraphicBuffer = 0;
|
|
mSlots[i].mSurfaceDescriptor = SurfaceDescriptor();
|
|
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->mSurfaceDescriptor = mSlots[buf].mSurfaceDescriptor;
|
|
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 (buf == INVALID_BUFFER_SLOT || fence == NULL) {
|
|
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");
|
|
nsAutoTArray<SurfaceDescriptor, NUM_BUFFER_SLOTS> freeList;
|
|
{
|
|
Mutex::Autolock lock(mMutex);
|
|
|
|
if (mConsumerListener == NULL) {
|
|
ST_LOGE("consumerDisconnect: No consumer is connected!");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mAbandoned = true;
|
|
mConsumerListener = NULL;
|
|
mQueue.clear();
|
|
freeAllBuffersLocked(freeList);
|
|
}
|
|
releaseBufferFreeListUnlocked(freeList);
|
|
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
|