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/*
* Copyright 2020 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.
*/
#undef LOG_TAG
#define LOG_TAG "LibSurfaceFlingerUnittests"
#include <scheduler/Fps.h>
#include "DisplayTransactionTestHelpers.h"
#include "FpsOps.h"
namespace android {
namespace {
class CreateDisplayTest : public DisplayTransactionTest {
public:
void createDisplayWithRequestedRefreshRate(const String8& name, uint64_t displayId,
float pacesetterDisplayRefreshRate,
float requestedRefreshRate,
float expectedAdjustedRefreshRate) {
// --------------------------------------------------------------------
// Call Expectations
// --------------------------------------------------------------------
// Invocation
sp<IBinder> displayToken = mFlinger.createDisplay(name, false, requestedRefreshRate);
// --------------------------------------------------------------------
// Postconditions
// The display should have been added to the current state
ASSERT_TRUE(hasCurrentDisplayState(displayToken));
const auto& display = getCurrentDisplayState(displayToken);
EXPECT_TRUE(display.isVirtual());
EXPECT_EQ(display.requestedRefreshRate, Fps::fromValue(requestedRefreshRate));
EXPECT_EQ(name.c_str(), display.displayName);
std::optional<VirtualDisplayId> vid =
DisplayId::fromValue<VirtualDisplayId>(displayId | DisplayId::FLAG_VIRTUAL);
ASSERT_TRUE(vid.has_value());
sp<DisplayDevice> device =
mFlinger.createVirtualDisplayDevice(displayToken, *vid, requestedRefreshRate);
EXPECT_TRUE(device->isVirtual());
device->adjustRefreshRate(Fps::fromValue(pacesetterDisplayRefreshRate));
// verifying desired value
EXPECT_EQ(device->getAdjustedRefreshRate(), Fps::fromValue(expectedAdjustedRefreshRate));
// verifying rounding up
if (requestedRefreshRate < pacesetterDisplayRefreshRate) {
EXPECT_GE(device->getAdjustedRefreshRate(), Fps::fromValue(requestedRefreshRate));
} else {
EXPECT_EQ(device->getAdjustedRefreshRate(),
Fps::fromValue(pacesetterDisplayRefreshRate));
}
// --------------------------------------------------------------------
// Cleanup conditions
}
};
TEST_F(CreateDisplayTest, createDisplaySetsCurrentStateForNonsecureDisplay) {
const String8 name("virtual.test");
// --------------------------------------------------------------------
// Call Expectations
// --------------------------------------------------------------------
// Invocation
sp<IBinder> displayToken = mFlinger.createDisplay(name, false);
// --------------------------------------------------------------------
// Postconditions
// The display should have been added to the current state
ASSERT_TRUE(hasCurrentDisplayState(displayToken));
const auto& display = getCurrentDisplayState(displayToken);
EXPECT_TRUE(display.isVirtual());
EXPECT_FALSE(display.isSecure);
EXPECT_EQ(name.c_str(), display.displayName);
// --------------------------------------------------------------------
// Cleanup conditions
// Creating the display commits a display transaction.
EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
}
TEST_F(CreateDisplayTest, createDisplaySetsCurrentStateForSecureDisplay) {
const String8 name("virtual.test");
// --------------------------------------------------------------------
// Call Expectations
// --------------------------------------------------------------------
// Invocation
int64_t oldId = IPCThreadState::self()->clearCallingIdentity();
// Set the calling identity to graphics so captureDisplay with secure is allowed.
IPCThreadState::self()->restoreCallingIdentity(static_cast<int64_t>(AID_GRAPHICS) << 32 |
AID_GRAPHICS);
sp<IBinder> displayToken = mFlinger.createDisplay(name, true);
IPCThreadState::self()->restoreCallingIdentity(oldId);
// --------------------------------------------------------------------
// Postconditions
// The display should have been added to the current state
ASSERT_TRUE(hasCurrentDisplayState(displayToken));
const auto& display = getCurrentDisplayState(displayToken);
EXPECT_TRUE(display.isVirtual());
EXPECT_TRUE(display.isSecure);
EXPECT_EQ(name.c_str(), display.displayName);
// --------------------------------------------------------------------
// Cleanup conditions
// Creating the display commits a display transaction.
EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
}
// Requesting 0 tells SF not to do anything, i.e., default to refresh as physical displays
TEST_F(CreateDisplayTest, createDisplayWithRequestedRefreshRate0) {
const String8 displayName("virtual.test");
const uint64_t displayId = 123ull;
const float kPacesetterDisplayRefreshRate = 60.f;
const float kRequestedRefreshRate = 0.f;
const float kExpectedAdjustedRefreshRate = 0.f;
createDisplayWithRequestedRefreshRate(displayName, displayId, kPacesetterDisplayRefreshRate,
kRequestedRefreshRate, kExpectedAdjustedRefreshRate);
}
// Requesting negative refresh rate, will be ignored, same as requesting 0
TEST_F(CreateDisplayTest, createDisplayWithRequestedRefreshRateNegative) {
const String8 displayName("virtual.test");
const uint64_t displayId = 123ull;
const float kPacesetterDisplayRefreshRate = 60.f;
const float kRequestedRefreshRate = -60.f;
const float kExpectedAdjustedRefreshRate = 0.f;
createDisplayWithRequestedRefreshRate(displayName, displayId, kPacesetterDisplayRefreshRate,
kRequestedRefreshRate, kExpectedAdjustedRefreshRate);
}
// Requesting a higher refresh rate than the pacesetter
TEST_F(CreateDisplayTest, createDisplayWithRequestedRefreshRateHigh) {
const String8 displayName("virtual.test");
const uint64_t displayId = 123ull;
const float kPacesetterDisplayRefreshRate = 60.f;
const float kRequestedRefreshRate = 90.f;
const float kExpectedAdjustedRefreshRate = 60.f;
createDisplayWithRequestedRefreshRate(displayName, displayId, kPacesetterDisplayRefreshRate,
kRequestedRefreshRate, kExpectedAdjustedRefreshRate);
}
// Requesting the same refresh rate as the pacesetter
TEST_F(CreateDisplayTest, createDisplayWithRequestedRefreshRateSame) {
const String8 displayName("virtual.test");
const uint64_t displayId = 123ull;
const float kPacesetterDisplayRefreshRate = 60.f;
const float kRequestedRefreshRate = 60.f;
const float kExpectedAdjustedRefreshRate = 60.f;
createDisplayWithRequestedRefreshRate(displayName, displayId, kPacesetterDisplayRefreshRate,
kRequestedRefreshRate, kExpectedAdjustedRefreshRate);
}
// Requesting a divisor (30) of the pacesetter (60) should be honored
TEST_F(CreateDisplayTest, createDisplayWithRequestedRefreshRateDivisor) {
const String8 displayName("virtual.test");
const uint64_t displayId = 123ull;
const float kPacesetterDisplayRefreshRate = 60.f;
const float kRequestedRefreshRate = 30.f;
const float kExpectedAdjustedRefreshRate = 30.f;
createDisplayWithRequestedRefreshRate(displayName, displayId, kPacesetterDisplayRefreshRate,
kRequestedRefreshRate, kExpectedAdjustedRefreshRate);
}
// Requesting a non divisor (45) of the pacesetter (120) should round up to a divisor (60)
TEST_F(CreateDisplayTest, createDisplayWithRequestedRefreshRateNoneDivisor) {
const String8 displayName("virtual.test");
const uint64_t displayId = 123ull;
const float kPacesetterDisplayRefreshRate = 120.f;
const float kRequestedRefreshRate = 45.f;
const float kExpectedAdjustedRefreshRate = 60.f;
createDisplayWithRequestedRefreshRate(displayName, displayId, kPacesetterDisplayRefreshRate,
kRequestedRefreshRate, kExpectedAdjustedRefreshRate);
}
// Requesting a non divisor (75) of the pacesetter (120) should round up to pacesetter (120)
TEST_F(CreateDisplayTest, createDisplayWithRequestedRefreshRateNoneDivisorMax) {
const String8 displayName("virtual.test");
const uint64_t displayId = 123ull;
const float kPacesetterDisplayRefreshRate = 120.f;
const float kRequestedRefreshRate = 75.f;
const float kExpectedAdjustedRefreshRate = 120.f;
createDisplayWithRequestedRefreshRate(displayName, displayId, kPacesetterDisplayRefreshRate,
kRequestedRefreshRate, kExpectedAdjustedRefreshRate);
}
} // namespace
} // namespace android
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