1/* 2 * Copyright 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "GraphicBufferTest" 18 19#include <ui/DetachedBufferHandle.h> 20#include <ui/GraphicBuffer.h> 21 22#include <gtest/gtest.h> 23 24namespace android { 25 26namespace { 27 28constexpr uint32_t kTestWidth = 1024; 29constexpr uint32_t kTestHeight = 1; 30constexpr uint32_t kTestFormat = HAL_PIXEL_FORMAT_BLOB; 31constexpr uint32_t kTestLayerCount = 1; 32constexpr uint64_t kTestUsage = GraphicBuffer::USAGE_SW_WRITE_OFTEN; 33 34} // namespace 35 36class GraphicBufferTest : public testing::Test {}; 37 38TEST_F(GraphicBufferTest, DetachedBuffer) { 39 sp<GraphicBuffer> buffer( 40 new GraphicBuffer(kTestWidth, kTestHeight, kTestFormat, kTestLayerCount, kTestUsage)); 41 42 // Currently a newly allocated GraphicBuffer is in legacy mode, i.e. not associated with 43 // BufferHub. But this may change in the future. 44 EXPECT_FALSE(buffer->isDetachedBuffer()); 45 46 pdx::LocalChannelHandle channel{nullptr, 1234}; 47 EXPECT_TRUE(channel.valid()); 48 49 std::unique_ptr<DetachedBufferHandle> handle = DetachedBufferHandle::Create(std::move(channel)); 50 EXPECT_FALSE(channel.valid()); 51 EXPECT_TRUE(handle->isValid()); 52 EXPECT_TRUE(handle->handle().valid()); 53 54 buffer->setDetachedBufferHandle(std::move(handle)); 55 EXPECT_TRUE(handle == nullptr); 56 EXPECT_TRUE(buffer->isDetachedBuffer()); 57 58 handle = buffer->takeDetachedBufferHandle(); 59 EXPECT_TRUE(handle != nullptr); 60 EXPECT_TRUE(handle->isValid()); 61 EXPECT_FALSE(buffer->isDetachedBuffer()); 62} 63 64} // namespace android 65