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/*
* Copyright (C) 2019 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.
*/
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
#include <thread>
#include "LayerTransactionTest.h"
namespace android {
using android::hardware::graphics::common::V1_1::BufferUsage;
TEST_F(LayerTransactionTest, SetTransformToDisplayInverse_BufferState) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(
layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
Transaction().setTransformToDisplayInverse(layer, false).apply();
ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::GREEN, 32, 32));
Transaction().setTransformToDisplayInverse(layer, true).apply();
}
TEST_F(LayerTransactionTest, SetSidebandStreamNull_BufferState) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(
layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
// verify this doesn't cause a crash
Transaction().setSidebandStream(layer, nullptr).apply();
}
TEST_F(LayerTransactionTest, ReparentToSelf) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
Transaction().reparent(layer, layer).apply();
{
// We expect the transaction to be silently dropped, but for SurfaceFlinger
// to still be functioning.
SCOPED_TRACE("after reparent to self");
const Rect rect(0, 0, 32, 32);
auto shot = screenshot();
shot->expectColor(rect, Color::RED);
shot->expectBorder(rect, Color::BLACK);
}
}
// This test ensures that when we drop an app buffer in SurfaceFlinger, we merge
// the dropped buffer's damage region into the next buffer's damage region. If
// we don't do this, we'll report an incorrect damage region to hardware
// composer, resulting in broken rendering. This test checks the BufferQueue
// case.
//
// Unfortunately, we don't currently have a way to inspect the damage region
// SurfaceFlinger sends to hardware composer from a test, so this test requires
// the dev to manually watch the device's screen during the test to spot broken
// rendering. Because the results can't be automatically verified, this test is
// marked disabled.
TEST_F(LayerTransactionTest, DISABLED_BufferQueueLayerMergeDamageRegionWhenDroppingBuffers) {
const int width = mDisplayWidth;
const int height = mDisplayHeight;
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", width, height));
const auto producer = layer->getIGraphicBufferProducer();
const sp<IProducerListener> stubListener(new StubProducerListener);
IGraphicBufferProducer::QueueBufferOutput queueBufferOutput;
ASSERT_EQ(OK, producer->connect(stubListener, NATIVE_WINDOW_API_CPU, true, &queueBufferOutput));
std::map<int, sp<GraphicBuffer>> slotMap;
auto slotToBuffer = [&](int slot, sp<GraphicBuffer>* buf) {
ASSERT_NE(nullptr, buf);
const auto iter = slotMap.find(slot);
ASSERT_NE(slotMap.end(), iter);
*buf = iter->second;
};
auto dequeue = [&](int* outSlot) {
ASSERT_NE(nullptr, outSlot);
*outSlot = -1;
int slot;
sp<Fence> fence;
uint64_t age;
FrameEventHistoryDelta timestamps;
const status_t dequeueResult =
producer->dequeueBuffer(&slot, &fence, width, height, PIXEL_FORMAT_RGBA_8888,
GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN,
&age, ×tamps);
if (dequeueResult == IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION) {
sp<GraphicBuffer> newBuf;
ASSERT_EQ(OK, producer->requestBuffer(slot, &newBuf));
ASSERT_NE(nullptr, newBuf.get());
slotMap[slot] = newBuf;
} else {
ASSERT_EQ(OK, dequeueResult);
}
*outSlot = slot;
};
auto queue = [&](int slot, const Region& damage, nsecs_t displayTime) {
IGraphicBufferProducer::QueueBufferInput input(
/*timestamp=*/displayTime, /*isAutoTimestamp=*/false, HAL_DATASPACE_UNKNOWN,
/*crop=*/Rect::EMPTY_RECT, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW,
/*transform=*/0, Fence::NO_FENCE);
input.setSurfaceDamage(damage);
IGraphicBufferProducer::QueueBufferOutput output;
ASSERT_EQ(OK, producer->queueBuffer(slot, input, &output));
};
auto fillAndPostBuffers = [&](const Color& color) {
int slot1;
ASSERT_NO_FATAL_FAILURE(dequeue(&slot1));
int slot2;
ASSERT_NO_FATAL_FAILURE(dequeue(&slot2));
sp<GraphicBuffer> buf1;
ASSERT_NO_FATAL_FAILURE(slotToBuffer(slot1, &buf1));
sp<GraphicBuffer> buf2;
ASSERT_NO_FATAL_FAILURE(slotToBuffer(slot2, &buf2));
TransactionUtils::fillGraphicBufferColor(buf1, Rect(width, height), color);
TransactionUtils::fillGraphicBufferColor(buf2, Rect(width, height), color);
const auto displayTime = systemTime() + milliseconds_to_nanoseconds(100);
ASSERT_NO_FATAL_FAILURE(queue(slot1, Region::INVALID_REGION, displayTime));
ASSERT_NO_FATAL_FAILURE(
queue(slot2, Region(Rect(width / 3, height / 3, 2 * width / 3, 2 * height / 3)),
displayTime));
};
const auto startTime = systemTime();
const std::array<Color, 3> colors = {Color::RED, Color::GREEN, Color::BLUE};
int colorIndex = 0;
while (nanoseconds_to_seconds(systemTime() - startTime) < 10) {
ASSERT_NO_FATAL_FAILURE(fillAndPostBuffers(colors[colorIndex++ % colors.size()]));
std::this_thread::sleep_for(1s);
}
ASSERT_EQ(OK, producer->disconnect(NATIVE_WINDOW_API_CPU));
}
} // namespace android
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic pop // ignored "-Wconversion"
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