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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.
*/
#include <compositionengine/CompositionRefreshArgs.h>
#include <compositionengine/LayerFECompositionState.h>
#include <compositionengine/impl/CompositionEngine.h>
#include <compositionengine/mock/LayerFE.h>
#include <compositionengine/mock/Output.h>
#include <compositionengine/mock/OutputLayer.h>
#include <gtest/gtest.h>
#include <renderengine/mock/RenderEngine.h>
#include "MockHWComposer.h"
#include "TimeStats/TimeStats.h"
namespace android::compositionengine {
namespace {
using ::testing::_;
using ::testing::DoAll;
using ::testing::InSequence;
using ::testing::Ref;
using ::testing::Return;
using ::testing::ReturnRef;
using ::testing::SaveArg;
using ::testing::StrictMock;
struct CompositionEngineTest : public testing::Test {
std::shared_ptr<TimeStats> mTimeStats;
impl::CompositionEngine mEngine;
CompositionRefreshArgs mRefreshArgs;
std::shared_ptr<mock::Output> mOutput1{std::make_shared<StrictMock<mock::Output>>()};
std::shared_ptr<mock::Output> mOutput2{std::make_shared<StrictMock<mock::Output>>()};
std::shared_ptr<mock::Output> mOutput3{std::make_shared<StrictMock<mock::Output>>()};
};
TEST_F(CompositionEngineTest, canInstantiateCompositionEngine) {
auto engine = impl::createCompositionEngine();
EXPECT_TRUE(engine.get() != nullptr);
}
TEST_F(CompositionEngineTest, canSetHWComposer) {
android::mock::HWComposer* hwc = new StrictMock<android::mock::HWComposer>();
mEngine.setHwComposer(std::unique_ptr<android::HWComposer>(hwc));
EXPECT_EQ(hwc, &mEngine.getHwComposer());
}
TEST_F(CompositionEngineTest, canSetRenderEngine) {
renderengine::mock::RenderEngine* renderEngine =
new StrictMock<renderengine::mock::RenderEngine>();
mEngine.setRenderEngine(std::unique_ptr<renderengine::RenderEngine>(renderEngine));
EXPECT_EQ(renderEngine, &mEngine.getRenderEngine());
}
TEST_F(CompositionEngineTest, canSetTimeStats) {
mEngine.setTimeStats(mTimeStats);
EXPECT_EQ(mTimeStats.get(), &mEngine.getTimeStats());
}
/*
* CompositionEngine::present
*/
struct CompositionEnginePresentTest : public CompositionEngineTest {
struct CompositionEnginePartialMock : public impl::CompositionEngine {
// These are the overridable functions CompositionEngine::present() may
// call, and have separate test coverage.
MOCK_METHOD1(preComposition, void(CompositionRefreshArgs&));
};
StrictMock<CompositionEnginePartialMock> mEngine;
};
TEST_F(CompositionEnginePresentTest, worksWithEmptyRequest) {
// present() always calls preComposition()
EXPECT_CALL(mEngine, preComposition(Ref(mRefreshArgs)));
mEngine.present(mRefreshArgs);
}
TEST_F(CompositionEnginePresentTest, worksAsExpected) {
// Expect calls to in a certain sequence
InSequence seq;
// present() always calls preComposition()
EXPECT_CALL(mEngine, preComposition(Ref(mRefreshArgs)));
// The first step in presenting is to make sure all outputs are prepared.
EXPECT_CALL(*mOutput1, prepare(Ref(mRefreshArgs), _));
EXPECT_CALL(*mOutput2, prepare(Ref(mRefreshArgs), _));
EXPECT_CALL(*mOutput3, prepare(Ref(mRefreshArgs), _));
// The next step in presenting is to make sure all outputs have the latest
// state from the front-end (SurfaceFlinger).
EXPECT_CALL(*mOutput1, updateLayerStateFromFE(Ref(mRefreshArgs)));
EXPECT_CALL(*mOutput2, updateLayerStateFromFE(Ref(mRefreshArgs)));
EXPECT_CALL(*mOutput3, updateLayerStateFromFE(Ref(mRefreshArgs)));
// The last step is to actually present each output.
EXPECT_CALL(*mOutput1, present(Ref(mRefreshArgs)));
EXPECT_CALL(*mOutput2, present(Ref(mRefreshArgs)));
EXPECT_CALL(*mOutput3, present(Ref(mRefreshArgs)));
mRefreshArgs.outputs = {mOutput1, mOutput2, mOutput3};
mEngine.present(mRefreshArgs);
}
/*
* CompositionEngine::updateCursorAsync
*/
struct CompositionEngineUpdateCursorAsyncTest : public CompositionEngineTest {
public:
struct Layer {
Layer() { EXPECT_CALL(outputLayer, getLayerFE()).WillRepeatedly(ReturnRef(*layerFE)); }
StrictMock<mock::OutputLayer> outputLayer;
sp<StrictMock<mock::LayerFE>> layerFE = sp<StrictMock<mock::LayerFE>>::make();
LayerFECompositionState layerFEState;
};
CompositionEngineUpdateCursorAsyncTest() {
EXPECT_CALL(*mOutput1, getOutputLayerCount()).WillRepeatedly(Return(0u));
EXPECT_CALL(*mOutput1, getOutputLayerOrderedByZByIndex(_)).Times(0);
EXPECT_CALL(*mOutput2, getOutputLayerCount()).WillRepeatedly(Return(1u));
EXPECT_CALL(*mOutput2, getOutputLayerOrderedByZByIndex(0))
.WillRepeatedly(Return(&mOutput2Layer1.outputLayer));
EXPECT_CALL(*mOutput3, getOutputLayerCount()).WillRepeatedly(Return(2u));
EXPECT_CALL(*mOutput3, getOutputLayerOrderedByZByIndex(0))
.WillRepeatedly(Return(&mOutput3Layer1.outputLayer));
EXPECT_CALL(*mOutput3, getOutputLayerOrderedByZByIndex(1))
.WillRepeatedly(Return(&mOutput3Layer2.outputLayer));
}
Layer mOutput2Layer1;
Layer mOutput3Layer1;
Layer mOutput3Layer2;
};
TEST_F(CompositionEngineUpdateCursorAsyncTest, handlesNoOutputs) {
mEngine.updateCursorAsync(mRefreshArgs);
}
TEST_F(CompositionEngineUpdateCursorAsyncTest, handlesNoLayersBeingCursorLayers) {
EXPECT_CALL(mOutput3Layer1.outputLayer, isHardwareCursor()).WillRepeatedly(Return(false));
EXPECT_CALL(mOutput3Layer2.outputLayer, isHardwareCursor()).WillRepeatedly(Return(false));
EXPECT_CALL(mOutput2Layer1.outputLayer, isHardwareCursor()).WillRepeatedly(Return(false));
mRefreshArgs.outputs = {mOutput1, mOutput2, mOutput3};
mEngine.updateCursorAsync(mRefreshArgs);
}
TEST_F(CompositionEngineUpdateCursorAsyncTest, handlesMultipleLayersBeingCursorLayers) {
{
InSequence seq;
EXPECT_CALL(mOutput2Layer1.outputLayer, isHardwareCursor()).WillRepeatedly(Return(true));
EXPECT_CALL(*mOutput2Layer1.layerFE, prepareCompositionState(LayerFE::StateSubset::Cursor));
EXPECT_CALL(mOutput2Layer1.outputLayer, writeCursorPositionToHWC());
}
{
InSequence seq;
EXPECT_CALL(mOutput3Layer1.outputLayer, isHardwareCursor()).WillRepeatedly(Return(true));
EXPECT_CALL(*mOutput3Layer1.layerFE, prepareCompositionState(LayerFE::StateSubset::Cursor));
EXPECT_CALL(mOutput3Layer1.outputLayer, writeCursorPositionToHWC());
}
{
InSequence seq;
EXPECT_CALL(mOutput3Layer2.outputLayer, isHardwareCursor()).WillRepeatedly(Return(true));
EXPECT_CALL(*mOutput3Layer2.layerFE, prepareCompositionState(LayerFE::StateSubset::Cursor));
EXPECT_CALL(mOutput3Layer2.outputLayer, writeCursorPositionToHWC());
}
mRefreshArgs.outputs = {mOutput1, mOutput2, mOutput3};
mEngine.updateCursorAsync(mRefreshArgs);
}
/*
* CompositionEngine::preComposition
*/
struct CompositionTestPreComposition : public CompositionEngineTest {
sp<StrictMock<mock::LayerFE>> mLayer1FE{new StrictMock<mock::LayerFE>()};
sp<StrictMock<mock::LayerFE>> mLayer2FE{new StrictMock<mock::LayerFE>()};
sp<StrictMock<mock::LayerFE>> mLayer3FE{new StrictMock<mock::LayerFE>()};
};
TEST_F(CompositionTestPreComposition, preCompositionSetsFrameTimestamp) {
const nsecs_t before = systemTime(SYSTEM_TIME_MONOTONIC);
mEngine.preComposition(mRefreshArgs);
const nsecs_t after = systemTime(SYSTEM_TIME_MONOTONIC);
// The frame timestamp should be between the before and after timestamps
EXPECT_GE(mEngine.getLastFrameRefreshTimestamp(), before);
EXPECT_LE(mEngine.getLastFrameRefreshTimestamp(), after);
}
TEST_F(CompositionTestPreComposition, preCompositionInvokesLayerPreCompositionWithFrameTimestamp) {
nsecs_t ts1 = 0;
nsecs_t ts2 = 0;
nsecs_t ts3 = 0;
EXPECT_CALL(*mLayer1FE, onPreComposition(_)).WillOnce(DoAll(SaveArg<0>(&ts1), Return(false)));
EXPECT_CALL(*mLayer2FE, onPreComposition(_)).WillOnce(DoAll(SaveArg<0>(&ts2), Return(false)));
EXPECT_CALL(*mLayer3FE, onPreComposition(_)).WillOnce(DoAll(SaveArg<0>(&ts3), Return(false)));
mRefreshArgs.outputs = {mOutput1};
mRefreshArgs.layers = {mLayer1FE, mLayer2FE, mLayer3FE};
mEngine.preComposition(mRefreshArgs);
// Each of the onPreComposition calls should used the same refresh timestamp
EXPECT_EQ(ts1, mEngine.getLastFrameRefreshTimestamp());
EXPECT_EQ(ts2, mEngine.getLastFrameRefreshTimestamp());
EXPECT_EQ(ts3, mEngine.getLastFrameRefreshTimestamp());
}
TEST_F(CompositionTestPreComposition, preCompositionDefaultsToNoUpdateNeeded) {
EXPECT_CALL(*mLayer1FE, onPreComposition(_)).WillOnce(Return(false));
EXPECT_CALL(*mLayer2FE, onPreComposition(_)).WillOnce(Return(false));
EXPECT_CALL(*mLayer3FE, onPreComposition(_)).WillOnce(Return(false));
mEngine.setNeedsAnotherUpdateForTest(true);
mRefreshArgs.outputs = {mOutput1};
mRefreshArgs.layers = {mLayer1FE, mLayer2FE, mLayer3FE};
mEngine.preComposition(mRefreshArgs);
// The call should have cleared the needsAnotherUpdate flag
EXPECT_FALSE(mEngine.needsAnotherUpdate());
}
TEST_F(CompositionTestPreComposition,
preCompositionSetsNeedsAnotherUpdateIfAtLeastOneLayerRequestsIt) {
EXPECT_CALL(*mLayer1FE, onPreComposition(_)).WillOnce(Return(true));
EXPECT_CALL(*mLayer2FE, onPreComposition(_)).WillOnce(Return(false));
EXPECT_CALL(*mLayer3FE, onPreComposition(_)).WillOnce(Return(false));
mRefreshArgs.outputs = {mOutput1};
mRefreshArgs.layers = {mLayer1FE, mLayer2FE, mLayer3FE};
mEngine.preComposition(mRefreshArgs);
EXPECT_TRUE(mEngine.needsAnotherUpdate());
}
} // namespace
} // namespace android::compositionengine