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140 lines
4.4 KiB
140 lines
4.4 KiB
/*
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* Copyright (C) 2012 The Android Open Source Project
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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_NDEBUG 0
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#define LOG_TAG "BufferItemConsumer"
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//#define ATRACE_TAG ATRACE_TAG_GRAPHICS
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#include <utils/Log.h>
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#include <inttypes.h>
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#include <gui/BufferItem.h>
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#include <gui/BufferItemConsumer.h>
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#define BI_LOGV(x, ...) ALOGV("[%s] " x, mName.string(), ##__VA_ARGS__)
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//#define BI_LOGD(x, ...) ALOGD("[%s] " x, mName.string(), ##__VA_ARGS__)
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//#define BI_LOGI(x, ...) ALOGI("[%s] " x, mName.string(), ##__VA_ARGS__)
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//#define BI_LOGW(x, ...) ALOGW("[%s] " x, mName.string(), ##__VA_ARGS__)
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#define BI_LOGE(x, ...) ALOGE("[%s] " x, mName.string(), ##__VA_ARGS__)
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namespace android {
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BufferItemConsumer::BufferItemConsumer(
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const sp<IGraphicBufferConsumer>& consumer, uint64_t consumerUsage,
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int bufferCount, bool controlledByApp) :
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ConsumerBase(consumer, controlledByApp)
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{
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// HUANGLONG begin
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// Save usage for the next update settings
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mConsumerUsage = consumerUsage;
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// HUANGLONG end
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status_t err = mConsumer->setConsumerUsageBits(consumerUsage);
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LOG_ALWAYS_FATAL_IF(err != OK,
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"Failed to set consumer usage bits to %#" PRIx64, consumerUsage);
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if (bufferCount != DEFAULT_MAX_BUFFERS) {
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err = mConsumer->setMaxAcquiredBufferCount(bufferCount);
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LOG_ALWAYS_FATAL_IF(err != OK,
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"Failed to set max acquired buffer count to %d", bufferCount);
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}
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}
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BufferItemConsumer::~BufferItemConsumer() {}
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// HUANGLONG begin
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// Save usage for the next update settings
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uint64_t BufferItemConsumer::getConsumerUsageBits() {
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return mConsumerUsage;
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}
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void BufferItemConsumer::updateConsumerUsageBits(uint64_t usage) {
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status_t err = mConsumer->setConsumerUsageBits(usage);
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if (err != OK) {
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ALOGE("Failed to set consumer usage");
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return;
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}
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mConsumerUsage = usage;
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}
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// HUANGLONG end
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void BufferItemConsumer::setBufferFreedListener(
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const wp<BufferFreedListener>& listener) {
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Mutex::Autolock _l(mMutex);
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mBufferFreedListener = listener;
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}
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status_t BufferItemConsumer::acquireBuffer(BufferItem *item,
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nsecs_t presentWhen, bool waitForFence) {
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status_t err;
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if (!item) return BAD_VALUE;
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Mutex::Autolock _l(mMutex);
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err = acquireBufferLocked(item, presentWhen);
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if (err != OK) {
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if (err != NO_BUFFER_AVAILABLE) {
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BI_LOGE("Error acquiring buffer: %s (%d)", strerror(err), err);
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}
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return err;
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}
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if (waitForFence) {
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err = item->mFence->waitForever("BufferItemConsumer::acquireBuffer");
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if (err != OK) {
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BI_LOGE("Failed to wait for fence of acquired buffer: %s (%d)",
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strerror(-err), err);
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return err;
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}
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}
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item->mGraphicBuffer = mSlots[item->mSlot].mGraphicBuffer;
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return OK;
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}
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status_t BufferItemConsumer::releaseBuffer(const BufferItem &item,
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const sp<Fence>& releaseFence) {
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status_t err;
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Mutex::Autolock _l(mMutex);
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err = addReleaseFenceLocked(item.mSlot, item.mGraphicBuffer, releaseFence);
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if (err != OK) {
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BI_LOGE("Failed to addReleaseFenceLocked");
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}
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err = releaseBufferLocked(item.mSlot, item.mGraphicBuffer, EGL_NO_DISPLAY,
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EGL_NO_SYNC_KHR);
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if (err != OK && err != IGraphicBufferConsumer::STALE_BUFFER_SLOT) {
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BI_LOGE("Failed to release buffer: %s (%d)",
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strerror(-err), err);
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}
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return err;
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}
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void BufferItemConsumer::freeBufferLocked(int slotIndex) {
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sp<BufferFreedListener> listener = mBufferFreedListener.promote();
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if (listener != nullptr && mSlots[slotIndex].mGraphicBuffer != nullptr) {
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// Fire callback if we have a listener registered and the buffer being freed is valid.
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BI_LOGV("actually calling onBufferFreed");
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listener->onBufferFreed(mSlots[slotIndex].mGraphicBuffer);
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}
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ConsumerBase::freeBufferLocked(slotIndex);
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}
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} // namespace android
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