mirror of
https://github.com/classilla/tenfourfox.git
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243 lines
8.4 KiB
C++
243 lines
8.4 KiB
C++
/*
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* Copyright 2014 The Android Open Source Project
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* Copyright (C) 2014 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 "GonkBufferQueueCore"
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#define ATRACE_TAG ATRACE_TAG_GRAPHICS
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//#define LOG_NDEBUG 0
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#include <inttypes.h>
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#include "GonkBufferItem.h"
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#include "GonkBufferQueueCore.h"
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#include <gui/IConsumerListener.h>
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#include <gui/IGraphicBufferAlloc.h>
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#include <gui/IProducerListener.h>
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#include <gui/ISurfaceComposer.h>
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#include <private/gui/ComposerService.h>
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#include <cutils/compiler.h>
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#include "mozilla/layers/GrallocTextureClient.h"
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#include "mozilla/layers/ImageBridgeChild.h"
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template <typename T>
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static inline T max(T a, T b) { return a > b ? a : b; }
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namespace android {
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static String8 getUniqueName() {
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static volatile int32_t counter = 0;
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return String8::format("unnamed-%d-%d", getpid(),
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android_atomic_inc(&counter));
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}
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GonkBufferQueueCore::GonkBufferQueueCore(const sp<IGraphicBufferAlloc>& allocator) :
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mAllocator(allocator),
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mMutex(),
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mIsAbandoned(false),
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mConsumerControlledByApp(false),
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mConsumerName(getUniqueName()),
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mConsumerListener(),
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mConsumerUsageBits(0),
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mConnectedApi(NO_CONNECTED_API),
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mConnectedProducerListener(),
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mSlots(),
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mQueue(),
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mOverrideMaxBufferCount(0),
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mDequeueCondition(),
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mUseAsyncBuffer(true),
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mDequeueBufferCannotBlock(false),
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mDefaultBufferFormat(PIXEL_FORMAT_RGBA_8888),
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mDefaultWidth(1),
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mDefaultHeight(1),
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mDefaultMaxBufferCount(2),
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mMaxAcquiredBufferCount(1),
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mBufferHasBeenQueued(false),
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mFrameCounter(0),
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mTransformHint(0),
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mIsAllocating(false),
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mIsAllocatingCondition()
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{
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ALOGV("GonkBufferQueueCore");
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}
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GonkBufferQueueCore::~GonkBufferQueueCore() {}
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void GonkBufferQueueCore::dump(String8& result, const char* prefix) const {
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Mutex::Autolock lock(mMutex);
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String8 fifo;
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Fifo::const_iterator current(mQueue.begin());
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while (current != mQueue.end()) {
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fifo.appendFormat("%02d:%p crop=[%d,%d,%d,%d], "
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"xform=0x%02x, time=%#" PRIx64 ", scale=%s\n",
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current->mSlot, current->mGraphicBuffer.get(),
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current->mCrop.left, current->mCrop.top, current->mCrop.right,
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current->mCrop.bottom, current->mTransform, current->mTimestamp,
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GonkBufferItem::scalingModeName(current->mScalingMode));
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++current;
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}
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result.appendFormat("%s-GonkBufferQueue mMaxAcquiredBufferCount=%d, "
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"mDequeueBufferCannotBlock=%d, default-size=[%dx%d], "
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"default-format=%d, transform-hint=%02x, FIFO(%zu)={%s}\n",
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prefix, mMaxAcquiredBufferCount, mDequeueBufferCannotBlock,
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mDefaultWidth, mDefaultHeight, mDefaultBufferFormat, mTransformHint,
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mQueue.size(), fifo.string());
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// Trim the free buffers so as to not spam the dump
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int maxBufferCount = 0;
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for (int s = GonkBufferQueueDefs::NUM_BUFFER_SLOTS - 1; s >= 0; --s) {
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const GonkBufferSlot& slot(mSlots[s]);
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if (slot.mBufferState != GonkBufferSlot::FREE ||
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slot.mGraphicBuffer != NULL) {
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maxBufferCount = s + 1;
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break;
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}
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}
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for (int s = 0; s < maxBufferCount; ++s) {
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const GonkBufferSlot& slot(mSlots[s]);
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const sp<GraphicBuffer>& buffer(slot.mGraphicBuffer);
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result.appendFormat("%s%s[%02d:%p] state=%-8s", prefix,
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(slot.mBufferState == GonkBufferSlot::ACQUIRED) ? ">" : " ",
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s, buffer.get(),
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GonkBufferSlot::bufferStateName(slot.mBufferState));
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if (buffer != NULL) {
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result.appendFormat(", %p [%4ux%4u:%4u,%3X]", buffer->handle,
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buffer->width, buffer->height, buffer->stride,
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buffer->format);
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}
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result.append("\n");
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}
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}
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int GonkBufferQueueCore::getMinUndequeuedBufferCountLocked(bool async) const {
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// If dequeueBuffer is allowed to error out, we don't have to add an
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// extra buffer.
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if (!mUseAsyncBuffer) {
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return mMaxAcquiredBufferCount;
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}
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if (mDequeueBufferCannotBlock || async) {
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return mMaxAcquiredBufferCount + 1;
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}
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return mMaxAcquiredBufferCount;
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}
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int GonkBufferQueueCore::getMinMaxBufferCountLocked(bool async) const {
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return getMinUndequeuedBufferCountLocked(async) + 1;
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}
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int GonkBufferQueueCore::getMaxBufferCountLocked(bool async) const {
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int minMaxBufferCount = getMinMaxBufferCountLocked(async);
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int maxBufferCount = max(mDefaultMaxBufferCount, minMaxBufferCount);
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if (mOverrideMaxBufferCount != 0) {
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assert(mOverrideMaxBufferCount >= minMaxBufferCount);
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maxBufferCount = mOverrideMaxBufferCount;
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}
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// Any buffers that are dequeued by the producer or sitting in the queue
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// waiting to be consumed need to have their slots preserved. Such buffers
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// will temporarily keep the max buffer count up until the slots no longer
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// need to be preserved.
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for (int s = maxBufferCount; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
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GonkBufferSlot::BufferState state = mSlots[s].mBufferState;
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if (state == GonkBufferSlot::QUEUED || state == GonkBufferSlot::DEQUEUED) {
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maxBufferCount = s + 1;
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}
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}
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return maxBufferCount;
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}
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status_t GonkBufferQueueCore::setDefaultMaxBufferCountLocked(int count) {
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const int minBufferCount = 2;
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if (count < minBufferCount || count > GonkBufferQueueDefs::NUM_BUFFER_SLOTS) {
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ALOGV("setDefaultMaxBufferCount: invalid count %d, should be in "
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"[%d, %d]",
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count, minBufferCount, GonkBufferQueueDefs::NUM_BUFFER_SLOTS);
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return BAD_VALUE;
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}
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ALOGV("setDefaultMaxBufferCount: setting count to %d", count);
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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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void GonkBufferQueueCore::freeBufferLocked(int slot) {
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ALOGV("freeBufferLocked: slot %d", slot);
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if (mSlots[slot].mTextureClient) {
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mSlots[slot].mTextureClient->ClearRecycleCallback();
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// release TextureClient in ImageBridge thread
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TextureClientReleaseTask* task = new TextureClientReleaseTask(mSlots[slot].mTextureClient);
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mSlots[slot].mTextureClient = NULL;
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ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(FROM_HERE, task);
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}
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mSlots[slot].mGraphicBuffer.clear();
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if (mSlots[slot].mBufferState == GonkBufferSlot::ACQUIRED) {
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mSlots[slot].mNeedsCleanupOnRelease = true;
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}
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mSlots[slot].mBufferState = GonkBufferSlot::FREE;
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mSlots[slot].mFrameNumber = UINT32_MAX;
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mSlots[slot].mAcquireCalled = false;
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// Destroy fence as GonkBufferQueue now takes ownership
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mSlots[slot].mFence = Fence::NO_FENCE;
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}
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void GonkBufferQueueCore::freeAllBuffersLocked() {
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ALOGW_IF(!mQueue.isEmpty(),
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"freeAllBuffersLocked called but mQueue is not empty");
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mQueue.clear();
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mBufferHasBeenQueued = false;
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for (int s = 0; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
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freeBufferLocked(s);
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}
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}
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bool GonkBufferQueueCore::stillTracking(const GonkBufferItem* item) const {
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const GonkBufferSlot& slot = mSlots[item->mSlot];
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ALOGV("stillTracking: item { slot=%d/%" PRIu64 " buffer=%p } "
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"slot { slot=%d/%" PRIu64 " buffer=%p }",
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item->mSlot, item->mFrameNumber,
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(item->mGraphicBuffer.get() ? item->mGraphicBuffer->handle : 0),
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item->mSlot, slot.mFrameNumber,
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(slot.mGraphicBuffer.get() ? slot.mGraphicBuffer->handle : 0));
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// Compare item with its original buffer slot. We can check the slot as
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// the buffer would not be moved to a different slot by the producer.
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return (slot.mGraphicBuffer != NULL) &&
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(item->mGraphicBuffer->handle == slot.mGraphicBuffer->handle);
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}
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void GonkBufferQueueCore::waitWhileAllocatingLocked() const {
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ATRACE_CALL();
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while (mIsAllocating) {
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mIsAllocatingCondition.wait(mMutex);
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}
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}
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} // namespace android
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