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/*
* 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 "AHardwareBuffer_test"
//#define LOG_NDEBUG 0
#include <android/hardware/graphics/common/1.0/types.h>
#include <gtest/gtest.h>
#include <private/android/AHardwareBufferHelpers.h>
#include <ui/GraphicBuffer.h>
#include <vndk/hardware_buffer.h>
using namespace android;
using android::hardware::graphics::common::V1_0::BufferUsage;
static ::testing::AssertionResult BuildHexFailureMessage(uint64_t expected,
uint64_t actual, const char* type) {
std::ostringstream ss;
ss << type << " 0x" << std::hex << actual
<< " does not match expected " << type << " 0x" << std::hex
<< expected;
return ::testing::AssertionFailure() << ss.str();
}
static ::testing::AssertionResult TestUsageConversion(
uint64_t grallocUsage, uint64_t hardwareBufferUsage) {
uint64_t convertedGrallocUsage = AHardwareBuffer_convertToGrallocUsageBits(hardwareBufferUsage);
if (convertedGrallocUsage != grallocUsage)
return BuildHexFailureMessage(grallocUsage, convertedGrallocUsage, "converToGralloc");
uint64_t convertedHArdwareBufferUsage = AHardwareBuffer_convertFromGrallocUsageBits(grallocUsage);
if (convertedHArdwareBufferUsage != grallocUsage)
return BuildHexFailureMessage(grallocUsage, convertedHArdwareBufferUsage, "convertFromGralloc");
return testing::AssertionSuccess();
}
// This is a unit test rather than going through AHardwareBuffer because not
// all flags may be supported by the host device.
TEST(AHardwareBufferTest, ConvertToAndFromGrallocBits) {
EXPECT_TRUE(TestUsageConversion((uint64_t)BufferUsage::CPU_READ_RARELY,
AHARDWAREBUFFER_USAGE_CPU_READ_RARELY));
EXPECT_TRUE(TestUsageConversion((uint64_t)BufferUsage::CPU_READ_OFTEN,
AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN));
EXPECT_TRUE(TestUsageConversion((uint64_t)BufferUsage::CPU_WRITE_RARELY,
AHARDWAREBUFFER_USAGE_CPU_WRITE_RARELY));
EXPECT_TRUE(TestUsageConversion((uint64_t)BufferUsage::CPU_WRITE_OFTEN,
AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN));
EXPECT_TRUE(TestUsageConversion((uint64_t)BufferUsage::GPU_TEXTURE,
AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE));
EXPECT_TRUE(TestUsageConversion((uint64_t)BufferUsage::GPU_RENDER_TARGET,
AHARDWAREBUFFER_USAGE_GPU_COLOR_OUTPUT));
EXPECT_TRUE(TestUsageConversion((uint64_t)BufferUsage::GPU_DATA_BUFFER,
AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER));
EXPECT_TRUE(TestUsageConversion((uint64_t)BufferUsage::PROTECTED,
AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT));
EXPECT_TRUE(TestUsageConversion((uint64_t)BufferUsage::SENSOR_DIRECT_DATA,
AHARDWAREBUFFER_USAGE_SENSOR_DIRECT_DATA));
EXPECT_TRUE(TestUsageConversion((uint64_t)BufferUsage::VIDEO_ENCODER,
AHARDWAREBUFFER_USAGE_VIDEO_ENCODE));
EXPECT_TRUE(TestUsageConversion(1ull<<28, AHARDWAREBUFFER_USAGE_VENDOR_0));
EXPECT_TRUE(TestUsageConversion(1ull<<29, AHARDWAREBUFFER_USAGE_VENDOR_1));
EXPECT_TRUE(TestUsageConversion(1ull<<30, AHARDWAREBUFFER_USAGE_VENDOR_2));
EXPECT_TRUE(TestUsageConversion(1ull<<31, AHARDWAREBUFFER_USAGE_VENDOR_3));
EXPECT_TRUE(TestUsageConversion(1ull<<48, AHARDWAREBUFFER_USAGE_VENDOR_4));
EXPECT_TRUE(TestUsageConversion(1ull<<49, AHARDWAREBUFFER_USAGE_VENDOR_5));
EXPECT_TRUE(TestUsageConversion(1ull<<50, AHARDWAREBUFFER_USAGE_VENDOR_6));
EXPECT_TRUE(TestUsageConversion(1ull<<51, AHARDWAREBUFFER_USAGE_VENDOR_7));
EXPECT_TRUE(TestUsageConversion(1ull<<52, AHARDWAREBUFFER_USAGE_VENDOR_8));
EXPECT_TRUE(TestUsageConversion(1ull<<53, AHARDWAREBUFFER_USAGE_VENDOR_9));
EXPECT_TRUE(TestUsageConversion(1ull<<54, AHARDWAREBUFFER_USAGE_VENDOR_10));
EXPECT_TRUE(TestUsageConversion(1ull<<55, AHARDWAREBUFFER_USAGE_VENDOR_11));
EXPECT_TRUE(TestUsageConversion(1ull<<56, AHARDWAREBUFFER_USAGE_VENDOR_12));
EXPECT_TRUE(TestUsageConversion(1ull<<57, AHARDWAREBUFFER_USAGE_VENDOR_13));
EXPECT_TRUE(TestUsageConversion(1ull<<58, AHARDWAREBUFFER_USAGE_VENDOR_14));
EXPECT_TRUE(TestUsageConversion(1ull<<59, AHARDWAREBUFFER_USAGE_VENDOR_15));
EXPECT_TRUE(TestUsageConversion(1ull<<60, AHARDWAREBUFFER_USAGE_VENDOR_16));
EXPECT_TRUE(TestUsageConversion(1ull<<61, AHARDWAREBUFFER_USAGE_VENDOR_17));
EXPECT_TRUE(TestUsageConversion(1ull<<62, AHARDWAREBUFFER_USAGE_VENDOR_18));
EXPECT_TRUE(TestUsageConversion(1ull<<63, AHARDWAREBUFFER_USAGE_VENDOR_19));
// Test some more complex flag combinations.
EXPECT_TRUE(TestUsageConversion(
(uint64_t)BufferUsage::CPU_READ_RARELY |
(uint64_t)BufferUsage::CPU_WRITE_RARELY,
AHARDWAREBUFFER_USAGE_CPU_READ_RARELY | AHARDWAREBUFFER_USAGE_CPU_WRITE_RARELY));
EXPECT_TRUE(TestUsageConversion(
(uint64_t)BufferUsage::GPU_RENDER_TARGET | (uint64_t)BufferUsage::GPU_TEXTURE |
1ull << 29 | 1ull << 57,
AHARDWAREBUFFER_USAGE_GPU_COLOR_OUTPUT | AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE |
AHARDWAREBUFFER_USAGE_VENDOR_1 | AHARDWAREBUFFER_USAGE_VENDOR_13));
}
TEST(AHardwareBufferTest, GetCreateHandleTest) {
AHardwareBuffer_Desc desc{
.width = 64,
.height = 1,
.layers = 1,
.format = AHARDWAREBUFFER_FORMAT_BLOB,
.usage = AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN | AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN,
.stride = 64,
};
AHardwareBuffer* buffer = nullptr;
EXPECT_EQ(0, AHardwareBuffer_allocate(&desc, &buffer));
const native_handle_t* handle = AHardwareBuffer_getNativeHandle(buffer);
EXPECT_NE(nullptr, handle);
AHardwareBuffer* otherBuffer = nullptr;
EXPECT_EQ(0, AHardwareBuffer_createFromHandle(
&desc, handle, AHARDWAREBUFFER_CREATE_FROM_HANDLE_METHOD_CLONE, &otherBuffer));
EXPECT_NE(nullptr, otherBuffer);
AHardwareBuffer_release(buffer);
AHardwareBuffer_release(otherBuffer);
}
TEST(AHardwareBufferTest, GetIdTest) {
const uint32_t testWidth = 4;
const uint32_t testHeight = 4;
const uint32_t testLayers = 1;
AHardwareBuffer* ahb1 = nullptr;
uint64_t id1 = 0;
const AHardwareBuffer_Desc desc = {
.width = testWidth,
.height = testHeight,
.layers = testLayers,
.format = AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM,
.usage = AHARDWAREBUFFER_USAGE_CPU_READ_RARELY,
};
int res = AHardwareBuffer_allocate(&desc, &ahb1);
EXPECT_EQ(NO_ERROR, res);
EXPECT_NE(nullptr, ahb1);
EXPECT_EQ(0, AHardwareBuffer_getId(ahb1, &id1));
const GraphicBuffer* gb1 = AHardwareBuffer_to_GraphicBuffer(ahb1);
EXPECT_NE(nullptr, gb1);
EXPECT_EQ(id1, gb1->getId());
EXPECT_NE(id1, 0);
sp<GraphicBuffer> gb2(new GraphicBuffer(testWidth,
testHeight,
PIXEL_FORMAT_RGBA_8888,
testLayers,
GraphicBuffer::USAGE_SW_READ_RARELY,
std::string("test")));
EXPECT_NE(nullptr, gb2.get());
const AHardwareBuffer* ahb2 = AHardwareBuffer_from_GraphicBuffer(gb2.get());
EXPECT_NE(nullptr, ahb2);
uint64_t id2 = 0;
EXPECT_EQ(0, AHardwareBuffer_getId(ahb2, &id2));
EXPECT_EQ(id2, gb2->getId());
EXPECT_NE(id2, 0);
EXPECT_NE(id1, id2);
}
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