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/*
* Copyright 2018 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 "GraphicBufferTest"
#include <ui/BufferHubBuffer.h>
#include <ui/GraphicBuffer.h>
#include <gtest/gtest.h>
namespace android {
namespace {
constexpr uint32_t kTestWidth = 1024;
constexpr uint32_t kTestHeight = 1;
constexpr uint32_t kTestFormat = HAL_PIXEL_FORMAT_BLOB;
constexpr uint32_t kTestLayerCount = 1;
constexpr uint64_t kTestUsage = GraphicBuffer::USAGE_SW_WRITE_OFTEN;
} // namespace
class GraphicBufferTest : public testing::Test {};
TEST_F(GraphicBufferTest, AllocateNoError) {
PixelFormat format = PIXEL_FORMAT_RGBA_8888;
sp<GraphicBuffer> gb(new GraphicBuffer(kTestWidth, kTestHeight, format, kTestLayerCount,
kTestUsage, std::string("test")));
ASSERT_EQ(NO_ERROR, gb->initCheck());
}
TEST_F(GraphicBufferTest, AllocateBadDimensions) {
PixelFormat format = PIXEL_FORMAT_RGBA_8888;
uint32_t width, height;
width = height = std::numeric_limits<uint32_t>::max();
sp<GraphicBuffer> gb(new GraphicBuffer(width, height, format, kTestLayerCount, kTestUsage,
std::string("test")));
ASSERT_EQ(BAD_VALUE, gb->initCheck());
}
TEST_F(GraphicBufferTest, CreateFromBufferHubBuffer) {
std::unique_ptr<BufferHubBuffer> b1 =
BufferHubBuffer::create(kTestWidth, kTestHeight, kTestLayerCount, kTestFormat,
kTestUsage, /*userMetadataSize=*/0);
ASSERT_NE(b1, nullptr);
EXPECT_TRUE(b1->isValid());
sp<GraphicBuffer> gb(new GraphicBuffer(std::move(b1)));
EXPECT_TRUE(gb->isBufferHubBuffer());
EXPECT_EQ(gb->getWidth(), kTestWidth);
EXPECT_EQ(gb->getHeight(), kTestHeight);
EXPECT_EQ(static_cast<uint32_t>(gb->getPixelFormat()), kTestFormat);
EXPECT_EQ(gb->getUsage(), kTestUsage);
EXPECT_EQ(gb->getLayerCount(), kTestLayerCount);
}
TEST_F(GraphicBufferTest, InvalidBufferIdForNoneBufferHubBuffer) {
sp<GraphicBuffer> gb(
new GraphicBuffer(kTestWidth, kTestHeight, kTestFormat, kTestLayerCount, kTestUsage));
EXPECT_FALSE(gb->isBufferHubBuffer());
EXPECT_EQ(gb->getBufferId(), -1);
}
TEST_F(GraphicBufferTest, BufferIdMatchesBufferHubBufferId) {
std::unique_ptr<BufferHubBuffer> b1 =
BufferHubBuffer::create(kTestWidth, kTestHeight, kTestLayerCount, kTestFormat,
kTestUsage, /*userMetadataSize=*/0);
EXPECT_NE(b1, nullptr);
EXPECT_TRUE(b1->isValid());
int b1_id = b1->id();
EXPECT_GE(b1_id, 0);
sp<GraphicBuffer> gb(new GraphicBuffer(std::move(b1)));
EXPECT_TRUE(gb->isBufferHubBuffer());
EXPECT_EQ(gb->getBufferId(), b1_id);
}
TEST_F(GraphicBufferTest, flattenAndUnflatten) {
std::unique_ptr<BufferHubBuffer> b1 =
BufferHubBuffer::create(kTestWidth, kTestHeight, kTestLayerCount, kTestFormat,
kTestUsage, /*userMetadataSize=*/0);
ASSERT_NE(b1, nullptr);
sp<GraphicBuffer> gb1(new GraphicBuffer(std::move(b1)));
gb1->setGenerationNumber(42);
size_t flattenedSize = gb1->getFlattenedSize();
EXPECT_EQ(flattenedSize, 48);
size_t fdCount = gb1->getFdCount();
EXPECT_EQ(fdCount, 0);
int data[flattenedSize];
int fds[0];
// Make copies of needed items since flatten modifies them.
size_t flattenedSizeCopy = flattenedSize;
size_t fdCountCopy = fdCount;
void* dataStart = data;
int* fdsStart = fds;
status_t err = gb1->flatten(dataStart, flattenedSizeCopy, fdsStart, fdCountCopy);
ASSERT_EQ(err, NO_ERROR);
EXPECT_EQ(flattenedSizeCopy, 0);
EXPECT_EQ(fdCountCopy, 0);
size_t unflattenSize = flattenedSize;
size_t unflattenFdCount = fdCount;
const void* unflattenData = static_cast<const void*>(dataStart);
const int* unflattenFdData = static_cast<const int*>(fdsStart);
GraphicBuffer* gb2 = new GraphicBuffer();
err = gb2->unflatten(unflattenData, unflattenSize, unflattenFdData, unflattenFdCount);
ASSERT_EQ(err, NO_ERROR);
EXPECT_TRUE(gb2->isBufferHubBuffer());
EXPECT_EQ(gb2->getWidth(), kTestWidth);
EXPECT_EQ(gb2->getHeight(), kTestHeight);
EXPECT_EQ(static_cast<uint32_t>(gb2->getPixelFormat()), kTestFormat);
EXPECT_EQ(gb2->getUsage(), kTestUsage);
EXPECT_EQ(gb2->getLayerCount(), kTestLayerCount);
EXPECT_EQ(gb1->getBufferId(), gb2->getBufferId());
EXPECT_EQ(gb2->getGenerationNumber(), 42);
}
} // namespace android
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