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
24 namespace android {
25
26 namespace {
27
28 constexpr uint32_t kTestWidth = 1024;
29 constexpr uint32_t kTestHeight = 1;
30 constexpr uint32_t kTestFormat = HAL_PIXEL_FORMAT_BLOB;
31 constexpr uint32_t kTestLayerCount = 1;
32 constexpr uint64_t kTestUsage = GraphicBuffer::USAGE_SW_WRITE_OFTEN;
33
34 } // namespace
35
36 class GraphicBufferTest : public testing::Test {};
37
TEST_F(GraphicBufferTest,DetachedBuffer)38 TEST_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