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312 lines
9.4 KiB
C++
312 lines
9.4 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2022 Xaver Hugl <xaver.hugl@gmail.com>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <QSize>
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#include <QtTest>
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#include "mock_drm.h"
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#include "drm_backend.h"
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#include "drm_dumb_buffer.h"
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#include "drm_egl_backend.h"
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#include "drm_gpu.h"
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#include "drm_connector.h"
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#include "drm_crtc.h"
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#include "drm_plane.h"
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#include "drm_output.h"
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#include "drm_pipeline.h"
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#include "drm_pointer.h"
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#include "qpainterbackend.h"
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#include "core/session.h"
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#include <drm_fourcc.h>
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using namespace KWin;
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class DrmTest : public QObject
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{
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Q_OBJECT
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private Q_SLOTS:
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void testAmsDetection();
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void testOutputDetection();
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void testZeroModesHandling();
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void testModeGeneration_data();
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void testModeGeneration();
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void testConnectorLifetime();
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};
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static void verifyCleanup(MockGpu *mockGpu)
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{
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QVERIFY(mockGpu->drmConnectors.isEmpty());
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QVERIFY(mockGpu->drmEncoders.isEmpty());
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QVERIFY(mockGpu->drmCrtcs.isEmpty());
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QVERIFY(mockGpu->drmPlanes.isEmpty());
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QVERIFY(mockGpu->drmPlaneRes.isEmpty());
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QVERIFY(mockGpu->fbs.isEmpty());
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QVERIFY(mockGpu->drmProps.isEmpty());
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QVERIFY(mockGpu->drmObjectProperties.isEmpty());
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QVERIFY(mockGpu->drmPropertyBlobs.isEmpty());
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}
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void DrmTest::testAmsDetection()
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{
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const auto mockGpu = std::make_unique<MockGpu>(1, 0);
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const auto session = Session::create(Session::Type::Noop);
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const auto backend = std::make_unique<DrmBackend>(session.get());
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// gpu without planes should use legacy mode
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auto gpu = std::make_unique<DrmGpu>(backend.get(), "legacy", 1, 0);
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QVERIFY(!gpu->atomicModeSetting());
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// gpu with planes should use AMS
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mockGpu->planes << std::make_shared<MockPlane>(mockGpu.get(), PlaneType::Primary, 0);
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gpu = std::make_unique<DrmGpu>(backend.get(), "AMS", 1, 0);
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QVERIFY(gpu->atomicModeSetting());
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// but not if the kernel doesn't allow it
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mockGpu->deviceCaps[MOCKDRM_DEVICE_CAP_ATOMIC] = 0;
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gpu = std::make_unique<DrmGpu>(backend.get(), "legacy 2", 1, 0);
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QVERIFY(!gpu->atomicModeSetting());
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gpu.reset();
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verifyCleanup(mockGpu.get());
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}
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void DrmTest::testOutputDetection()
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{
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const auto mockGpu = std::make_unique<MockGpu>(1, 5);
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const auto one = std::make_shared<MockConnector>(mockGpu.get());
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const auto two = std::make_shared<MockConnector>(mockGpu.get());
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const auto vr = std::make_shared<MockConnector>(mockGpu.get(), true);
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mockGpu->connectors.push_back(one);
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mockGpu->connectors.push_back(two);
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mockGpu->connectors.push_back(vr);
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const auto session = Session::create(Session::Type::Noop);
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const auto backend = std::make_unique<DrmBackend>(session.get());
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const auto renderBackend = backend->createQPainterBackend();
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auto gpu = std::make_unique<DrmGpu>(backend.get(), "test", 1, 0);
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QVERIFY(gpu->updateOutputs());
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// 3 outputs should be detected, one of them non-desktop
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const auto outputs = gpu->drmOutputs();
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QCOMPARE(outputs.size(), 3);
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const auto vrOutput = std::find_if(outputs.begin(), outputs.end(), [](const auto &output) {
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return output->isNonDesktop();
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});
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QVERIFY(vrOutput != outputs.end());
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QVERIFY(static_cast<DrmOutput *>(*vrOutput)->connector()->id() == vr->id);
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// test hotunplugging
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mockGpu->connectors.removeOne(one);
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QVERIFY(gpu->updateOutputs());
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QCOMPARE(gpu->drmOutputs().size(), 2);
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// test hotplugging
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mockGpu->connectors.push_back(one);
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QVERIFY(gpu->updateOutputs());
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QCOMPARE(gpu->drmOutputs().size(), 3);
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// connector state changing to disconnected should count as a hotunplug
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one->connection = DRM_MODE_DISCONNECTED;
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QVERIFY(gpu->updateOutputs());
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QCOMPARE(gpu->drmOutputs().size(), 2);
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// don't crash if all connectors are disconnected
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two->connection = DRM_MODE_DISCONNECTED;
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vr->connection = DRM_MODE_DISCONNECTED;
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QVERIFY(gpu->updateOutputs());
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QVERIFY(gpu->drmOutputs().empty());
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gpu.reset();
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verifyCleanup(mockGpu.get());
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}
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void DrmTest::testZeroModesHandling()
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{
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const auto mockGpu = std::make_unique<MockGpu>(1, 5);
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const auto conn = std::make_shared<MockConnector>(mockGpu.get());
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mockGpu->connectors.push_back(conn);
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const auto session = Session::create(Session::Type::Noop);
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const auto backend = std::make_unique<DrmBackend>(session.get());
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const auto renderBackend = backend->createQPainterBackend();
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auto gpu = std::make_unique<DrmGpu>(backend.get(), "test", 1, 0);
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// connector with zero modes should be ignored
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conn->modes.clear();
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QVERIFY(gpu->updateOutputs());
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QVERIFY(gpu->drmOutputs().empty());
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// once it has modes, it should be detected
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conn->addMode(1920, 1080, 60);
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QVERIFY(gpu->updateOutputs());
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QCOMPARE(gpu->drmOutputs().size(), 1);
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// if an update says it has no modes anymore but it's still connected, ignore that
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conn->modes.clear();
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QVERIFY(gpu->updateOutputs());
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QCOMPARE(gpu->drmOutputs().size(), 1);
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QVERIFY(!gpu->drmOutputs().constFirst()->modes().empty());
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gpu.reset();
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verifyCleanup(mockGpu.get());
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}
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void DrmTest::testModeGeneration_data()
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{
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QTest::addColumn<QSize>("nativeMode");
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QTest::addColumn<QVector<QSize>>("expectedModes");
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QTest::newRow("2160p") << QSize(3840, 2160) << QVector<QSize>{
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QSize(1600, 1200),
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QSize(1280, 1024),
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QSize(1024, 768),
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QSize(2560, 1600),
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QSize(1920, 1200),
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QSize(1280, 800),
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QSize(3840, 2160),
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QSize(3200, 1800),
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QSize(2880, 1620),
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QSize(2560, 1440),
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QSize(1920, 1080),
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QSize(1600, 900),
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QSize(1368, 768),
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QSize(1280, 720),
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};
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QTest::newRow("1440p") << QSize(2560, 1440) << QVector<QSize>{
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QSize(1600, 1200),
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QSize(1280, 1024),
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QSize(1024, 768),
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QSize(1920, 1200),
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QSize(1280, 800),
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QSize(2560, 1440),
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QSize(1920, 1080),
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QSize(1600, 900),
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QSize(1368, 768),
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QSize(1280, 720),
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};
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QTest::newRow("1080p") << QSize(1920, 1080) << QVector<QSize>{
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QSize(1280, 1024),
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QSize(1024, 768),
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QSize(1280, 800),
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QSize(1920, 1080),
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QSize(1600, 900),
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QSize(1368, 768),
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QSize(1280, 720),
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};
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QTest::newRow("2160p 21:9") << QSize(5120, 2160) << QVector<QSize>{
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QSize(5120, 2160),
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QSize(1600, 1200),
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QSize(1280, 1024),
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QSize(1024, 768),
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QSize(2560, 1600),
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QSize(1920, 1200),
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QSize(1280, 800),
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QSize(3840, 2160),
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QSize(3200, 1800),
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QSize(2880, 1620),
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QSize(2560, 1440),
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QSize(1920, 1080),
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QSize(1600, 900),
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QSize(1368, 768),
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QSize(1280, 720),
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};
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QTest::newRow("1440p 21:9") << QSize(3440, 1440) << QVector<QSize>{
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QSize(3440, 1440),
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QSize(1600, 1200),
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QSize(1280, 1024),
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QSize(1024, 768),
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QSize(1920, 1200),
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QSize(1280, 800),
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QSize(2560, 1440),
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QSize(1920, 1080),
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QSize(1600, 900),
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QSize(1368, 768),
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QSize(1280, 720),
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};
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QTest::newRow("1080p 21:9") << QSize(2560, 1080) << QVector<QSize>{
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QSize(2560, 1080),
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QSize(1280, 1024),
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QSize(1024, 768),
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QSize(1280, 800),
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QSize(1920, 1080),
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QSize(1600, 900),
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QSize(1368, 768),
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QSize(1280, 720),
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};
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}
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void DrmTest::testModeGeneration()
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{
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const auto mockGpu = std::make_unique<MockGpu>(1, 5);
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const auto conn = std::make_shared<MockConnector>(mockGpu.get());
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mockGpu->connectors.push_back(conn);
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const auto session = Session::create(Session::Type::Noop);
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const auto backend = std::make_unique<DrmBackend>(session.get());
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const auto renderBackend = backend->createQPainterBackend();
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auto gpu = std::make_unique<DrmGpu>(backend.get(), "test", 1, 0);
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QFETCH(QSize, nativeMode);
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QFETCH(QVector<QSize>, expectedModes);
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conn->modes.clear();
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conn->addMode(nativeMode.width(), nativeMode.height(), 60);
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QVERIFY(gpu->updateOutputs());
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QCOMPARE(gpu->drmOutputs().size(), 1);
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DrmOutput *const output = gpu->drmOutputs().front();
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QCOMPARE(output->modes().size(), expectedModes.size());
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for (const auto &mode : output->modes()) {
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QVERIFY(expectedModes.contains(mode->size()));
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QVERIFY(mode->size().width() <= nativeMode.width());
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QVERIFY(mode->size().height() <= nativeMode.height());
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QVERIFY(mode->refreshRate() <= 60000);
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}
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gpu.reset();
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verifyCleanup(mockGpu.get());
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}
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void DrmTest::testConnectorLifetime()
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{
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// don't crash if output lifetime is extended beyond the connector
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const auto mockGpu = std::make_unique<MockGpu>(1, 5);
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const auto conn = std::make_shared<MockConnector>(mockGpu.get());
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mockGpu->connectors.push_back(conn);
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const auto session = Session::create(Session::Type::Noop);
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const auto backend = std::make_unique<DrmBackend>(session.get());
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const auto renderBackend = backend->createQPainterBackend();
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auto gpu = std::make_unique<DrmGpu>(backend.get(), "test", 1, 0);
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QVERIFY(gpu->updateOutputs());
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QCOMPARE(gpu->drmOutputs().size(), 1);
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DrmOutput *const output = gpu->drmOutputs().front();
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output->ref();
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mockGpu->connectors.clear();
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QVERIFY(gpu->updateOutputs());
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output->unref();
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gpu.reset();
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verifyCleanup(mockGpu.get());
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}
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QTEST_GUILESS_MAIN(DrmTest)
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#include "drmTest.moc"
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