| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * 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 "BufferItemConsumer_test" |
| //#define LOG_NDEBUG 0 |
| |
| #include <gtest/gtest.h> |
| #include <gui/BufferItemConsumer.h> |
| #include <gui/IProducerListener.h> |
| #include <gui/Surface.h> |
| |
| namespace android { |
| |
| static constexpr int kWidth = 100; |
| static constexpr int kHeight = 100; |
| static constexpr int kMaxLockedBuffers = 3; |
| static constexpr int kFormat = HAL_PIXEL_FORMAT_RGBA_8888; |
| static constexpr int kFrameSleepUs = 30 * 1000; |
| |
| class BufferItemConsumerTest : public ::testing::Test { |
| protected: |
| struct BufferFreedListener |
| : public BufferItemConsumer::BufferFreedListener { |
| explicit BufferFreedListener(BufferItemConsumerTest* test) |
| : mTest(test) {} |
| void onBufferFreed(const wp<GraphicBuffer>& /* gBuffer */) override { |
| mTest->HandleBufferFreed(); |
| } |
| BufferItemConsumerTest* mTest; |
| }; |
| |
| void SetUp() override { |
| BufferQueue::createBufferQueue(&mProducer, &mConsumer); |
| mBIC = |
| new BufferItemConsumer(mConsumer, kFormat, kMaxLockedBuffers, true); |
| String8 name("BufferItemConsumer_Under_Test"); |
| mBIC->setName(name); |
| mBFL = new BufferFreedListener(this); |
| mBIC->setBufferFreedListener(mBFL); |
| |
| sp<IProducerListener> producerListener = new DummyProducerListener(); |
| IGraphicBufferProducer::QueueBufferOutput bufferOutput; |
| ASSERT_EQ(NO_ERROR, |
| mProducer->connect(producerListener, NATIVE_WINDOW_API_CPU, |
| true, &bufferOutput)); |
| ASSERT_EQ(NO_ERROR, |
| mProducer->setMaxDequeuedBufferCount(kMaxLockedBuffers)); |
| } |
| |
| int GetFreedBufferCount() { |
| std::lock_guard<std::mutex> lock(mMutex); |
| return mFreedBufferCount; |
| } |
| |
| void HandleBufferFreed() { |
| std::lock_guard<std::mutex> lock(mMutex); |
| mFreedBufferCount++; |
| ALOGV("HandleBufferFreed, mFreedBufferCount=%d", mFreedBufferCount); |
| } |
| |
| void DequeueBuffer(int* outSlot) { |
| ASSERT_NE(outSlot, nullptr); |
| |
| int slot; |
| sp<Fence> outFence; |
| status_t ret = mProducer->dequeueBuffer(&slot, &outFence, kWidth, |
| kHeight, 0, 0, nullptr); |
| ASSERT_GE(ret, 0); |
| |
| ALOGV("dequeueBuffer: slot=%d", slot); |
| if (ret & IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION) { |
| ret = mProducer->requestBuffer(slot, &mBuffers[slot]); |
| ASSERT_EQ(NO_ERROR, ret); |
| } |
| *outSlot = slot; |
| } |
| |
| void QueueBuffer(int slot) { |
| ALOGV("enqueueBuffer: slot=%d", slot); |
| IGraphicBufferProducer::QueueBufferInput bufferInput( |
| 0ULL, true, HAL_DATASPACE_UNKNOWN, Rect::INVALID_RECT, |
| NATIVE_WINDOW_SCALING_MODE_FREEZE, 0, Fence::NO_FENCE); |
| IGraphicBufferProducer::QueueBufferOutput bufferOutput; |
| status_t ret = mProducer->queueBuffer(slot, bufferInput, &bufferOutput); |
| ASSERT_EQ(NO_ERROR, ret); |
| } |
| |
| void AcquireBuffer(int* outSlot) { |
| ASSERT_NE(outSlot, nullptr); |
| BufferItem buffer; |
| status_t ret = mBIC->acquireBuffer(&buffer, 0, false); |
| ASSERT_EQ(NO_ERROR, ret); |
| |
| ALOGV("acquireBuffer: slot=%d", buffer.mSlot); |
| *outSlot = buffer.mSlot; |
| } |
| |
| void ReleaseBuffer(int slot) { |
| ALOGV("releaseBuffer: slot=%d", slot); |
| BufferItem buffer; |
| buffer.mSlot = slot; |
| buffer.mGraphicBuffer = mBuffers[slot]; |
| status_t ret = mBIC->releaseBuffer(buffer, Fence::NO_FENCE); |
| ASSERT_EQ(NO_ERROR, ret); |
| } |
| |
| |
| std::mutex mMutex; |
| int mFreedBufferCount{0}; |
| |
| sp<BufferItemConsumer> mBIC; |
| sp<BufferFreedListener> mBFL; |
| sp<IGraphicBufferProducer> mProducer; |
| sp<IGraphicBufferConsumer> mConsumer; |
| sp<GraphicBuffer> mBuffers[BufferQueueDefs::NUM_BUFFER_SLOTS]; |
| }; |
| |
| // Test that detaching buffer from consumer side triggers onBufferFreed. |
| TEST_F(BufferItemConsumerTest, TriggerBufferFreed_DetachBufferFromConsumer) { |
| int slot; |
| // Producer: generate a dummy buffer. |
| DequeueBuffer(&slot); |
| QueueBuffer(slot); |
| |
| ASSERT_EQ(0, GetFreedBufferCount()); |
| // Consumer: acquire the buffer and then detach it. |
| AcquireBuffer(&slot); |
| status_t ret = mBIC->detachBuffer(slot); |
| ASSERT_EQ(NO_ERROR, ret); |
| |
| // Sleep to give some time for callbacks to happen. |
| usleep(kFrameSleepUs); |
| ASSERT_EQ(1, GetFreedBufferCount()); |
| } |
| |
| // Test that detaching buffer from producer side triggers onBufferFreed. |
| TEST_F(BufferItemConsumerTest, TriggerBufferFreed_DetachBufferFromProducer) { |
| int slot; |
| // Let buffer go through the cycle at least once. |
| DequeueBuffer(&slot); |
| QueueBuffer(slot); |
| AcquireBuffer(&slot); |
| ReleaseBuffer(slot); |
| |
| ASSERT_EQ(0, GetFreedBufferCount()); |
| |
| // Producer: generate the buffer again. |
| DequeueBuffer(&slot); |
| |
| // Producer: detach the buffer. |
| status_t ret = mProducer->detachBuffer(slot); |
| ASSERT_EQ(NO_ERROR, ret); |
| |
| // Sleep to give some time for callbacks to happen. |
| usleep(kFrameSleepUs); |
| ASSERT_EQ(1, GetFreedBufferCount()); |
| } |
| |
| // Test that abandoning BufferItemConsumer triggers onBufferFreed. |
| TEST_F(BufferItemConsumerTest, TriggerBufferFreed_AbandonBufferItemConsumer) { |
| int slot; |
| // Let buffer go through the cycle at least once. |
| DequeueBuffer(&slot); |
| QueueBuffer(slot); |
| AcquireBuffer(&slot); |
| ReleaseBuffer(slot); |
| |
| // Abandon the BufferItemConsumer. |
| mBIC->abandon(); |
| |
| // Sleep to give some time for callbacks to happen. |
| usleep(kFrameSleepUs); |
| ASSERT_EQ(1, GetFreedBufferCount()); |
| } |
| |
| // Test that delete BufferItemConsumer triggers onBufferFreed. |
| TEST_F(BufferItemConsumerTest, TriggerBufferFreed_DeleteBufferItemConsumer) { |
| int slot; |
| // Let buffer go through the cycle at least once. |
| DequeueBuffer(&slot); |
| QueueBuffer(slot); |
| AcquireBuffer(&slot); |
| ReleaseBuffer(slot); |
| |
| // Delete the BufferItemConsumer. |
| mBIC.clear(); |
| |
| // Sleep to give some time for callbacks to happen. |
| usleep(kFrameSleepUs); |
| ASSERT_EQ(1, GetFreedBufferCount()); |
| } |
| |
| } // namespace android |