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1 /*
2  * Copyright 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 // TODO(b/129481165): remove the #pragma below and fix conversion issues
20 #pragma clang diagnostic push
21 #pragma clang diagnostic ignored "-Wconversion"
22 #pragma clang diagnostic ignored "-Wextra"
23 
24 #include <type_traits>
25 #include "DisplayIdentificationTestHelpers.h"
26 
27 #include <binder/IPCThreadState.h>
28 #include <compositionengine/Display.h>
29 #include <compositionengine/DisplayColorProfile.h>
30 #include <compositionengine/impl/Display.h>
31 #include <compositionengine/impl/OutputCompositionState.h>
32 #include <compositionengine/mock/Display.h>
33 #include <compositionengine/mock/DisplayColorProfile.h>
34 #include <compositionengine/mock/DisplaySurface.h>
35 #include <compositionengine/mock/RenderSurface.h>
36 #include <gmock/gmock.h>
37 #include <gtest/gtest.h>
38 #include <gui/mock/GraphicBufferConsumer.h>
39 #include <gui/mock/GraphicBufferProducer.h>
40 #include <log/log.h>
41 #include <private/android_filesystem_config.h>
42 #include <renderengine/mock/RenderEngine.h>
43 #include <ui/DebugUtils.h>
44 
45 #include "FakeDisplayInjector.h"
46 #include "TestableScheduler.h"
47 #include "TestableSurfaceFlinger.h"
48 #include "mock/DisplayHardware/MockComposer.h"
49 #include "mock/DisplayHardware/MockDisplayMode.h"
50 #include "mock/DisplayHardware/MockPowerAdvisor.h"
51 #include "mock/MockEventThread.h"
52 #include "mock/MockNativeWindowSurface.h"
53 #include "mock/MockVsyncController.h"
54 #include "mock/system/window/MockNativeWindow.h"
55 
56 namespace android {
57 
58 // TODO: Do not polute the android namespace
59 namespace hal = android::hardware::graphics::composer::hal;
60 
61 using testing::_;
62 using testing::AnyNumber;
63 using testing::DoAll;
64 using testing::Mock;
65 using testing::ResultOf;
66 using testing::Return;
67 using testing::SetArgPointee;
68 
69 using aidl::android::hardware::graphics::composer3::DisplayCapability;
70 using hal::ColorMode;
71 using hal::Connection;
72 using hal::DisplayType;
73 using hal::Error;
74 using hal::Hdr;
75 using hal::HWDisplayId;
76 using hal::IComposer;
77 using hal::IComposerClient;
78 using hal::PerFrameMetadataKey;
79 using hal::PowerMode;
80 
81 class DisplayTransactionTest : public testing::Test {
82 public:
83     ~DisplayTransactionTest() override;
84 
85     // --------------------------------------------------------------------
86     // Mock/Fake injection
87 
88     void injectMockScheduler(PhysicalDisplayId);
89     void injectMockComposer(int virtualDisplayCount);
90     void injectFakeBufferQueueFactory();
91     void injectFakeNativeWindowSurfaceFactory();
92 
injectDefaultInternalDisplay(std::function<void (TestableSurfaceFlinger::FakeDisplayDeviceInjector &)> injectExtra)93     sp<DisplayDevice> injectDefaultInternalDisplay(
94             std::function<void(TestableSurfaceFlinger::FakeDisplayDeviceInjector&)> injectExtra) {
95         return mFakeDisplayInjector.injectInternalDisplay(injectExtra);
96     }
97 
98     // --------------------------------------------------------------------
99     // Postcondition helpers
100 
101     bool hasPhysicalHwcDisplay(hal::HWDisplayId) const;
102     bool hasTransactionFlagSet(int32_t flag) const;
103 
104     bool hasDisplayDevice(const sp<IBinder>& displayToken) const;
105     const DisplayDevice& getDisplayDevice(const sp<IBinder>& displayToken) const;
106 
107     bool hasCurrentDisplayState(const sp<IBinder>& displayToken) const;
108     const DisplayDeviceState& getCurrentDisplayState(const sp<IBinder>& displayToken) const;
109 
110     bool hasDrawingDisplayState(const sp<IBinder>& displayToken) const;
111     const DisplayDeviceState& getDrawingDisplayState(const sp<IBinder>& displayToken) const;
112 
113     // --------------------------------------------------------------------
114     // Test instances
115 
116     TestableSurfaceFlinger mFlinger;
117     sp<mock::NativeWindow> mNativeWindow = sp<mock::NativeWindow>::make();
118     sp<GraphicBuffer> mBuffer =
119             sp<GraphicBuffer>::make(1u, 1u, PIXEL_FORMAT_RGBA_8888,
120                                     GRALLOC_USAGE_SW_WRITE_OFTEN | GRALLOC_USAGE_SW_READ_OFTEN);
121     Hwc2::mock::PowerAdvisor mPowerAdvisor;
122 
123     FakeDisplayInjector mFakeDisplayInjector{mFlinger, mPowerAdvisor, mNativeWindow};
124 
125     // These mocks are created by the test, but are destroyed by SurfaceFlinger
126     // by virtue of being stored into a std::unique_ptr. However we still need
127     // to keep a reference to them for use in setting up call expectations.
128     renderengine::mock::RenderEngine* mRenderEngine = new renderengine::mock::RenderEngine();
129     Hwc2::mock::Composer* mComposer = nullptr;
130 
131     mock::EventThread* mEventThread = new mock::EventThread;
132     mock::EventThread* mSFEventThread = new mock::EventThread;
133 
134     // These mocks are created only when expected to be created via a factory.
135     sp<mock::GraphicBufferConsumer> mConsumer;
136     sp<mock::GraphicBufferProducer> mProducer;
137     surfaceflinger::mock::NativeWindowSurface* mNativeWindowSurface = nullptr;
138 
139 protected:
140     DisplayTransactionTest(bool withMockScheduler = true);
141 };
142 
143 constexpr int32_t DEFAULT_VSYNC_PERIOD = 16'666'667;
144 constexpr int32_t DEFAULT_DPI = 320;
145 constexpr int DEFAULT_VIRTUAL_DISPLAY_SURFACE_FORMAT = HAL_PIXEL_FORMAT_RGB_565;
146 
147 constexpr int POWER_MODE_LEET = 1337; // An out of range power mode value
148 
149 /* ------------------------------------------------------------------------
150  * Boolean avoidance
151  *
152  * To make calls and template instantiations more readable, we define some
153  * local enums along with an implicit bool conversion.
154  */
155 
156 #define BOOL_SUBSTITUTE(TYPENAME) enum class TYPENAME : bool { FALSE = false, TRUE = true };
157 
158 BOOL_SUBSTITUTE(Async);
159 BOOL_SUBSTITUTE(Primary);
160 BOOL_SUBSTITUTE(Secure);
161 BOOL_SUBSTITUTE(Virtual);
162 
163 template <typename PhysicalDisplay>
164 struct PhysicalDisplayIdType {};
165 
166 template <uint64_t displayId>
167 using HalVirtualDisplayIdType = std::integral_constant<uint64_t, displayId>;
168 
169 struct GpuVirtualDisplayIdType {};
170 
171 template <typename>
172 struct IsPhysicalDisplayId : std::bool_constant<false> {};
173 
174 template <typename PhysicalDisplay>
175 struct IsPhysicalDisplayId<PhysicalDisplayIdType<PhysicalDisplay>> : std::bool_constant<true> {};
176 
177 template <typename>
178 struct DisplayIdGetter;
179 
180 template <typename PhysicalDisplay>
181 struct DisplayIdGetter<PhysicalDisplayIdType<PhysicalDisplay>> {
182     static PhysicalDisplayId get() {
183         if (!PhysicalDisplay::HAS_IDENTIFICATION_DATA) {
184             return PhysicalDisplayId::fromPort(static_cast<bool>(PhysicalDisplay::PRIMARY)
185                                                        ? LEGACY_DISPLAY_TYPE_PRIMARY
186                                                        : LEGACY_DISPLAY_TYPE_EXTERNAL);
187         }
188 
189         const auto info =
190                 parseDisplayIdentificationData(PhysicalDisplay::PORT,
191                                                PhysicalDisplay::GET_IDENTIFICATION_DATA());
192         return info ? info->id : PhysicalDisplayId::fromPort(PhysicalDisplay::PORT);
193     }
194 };
195 
196 template <uint64_t displayId>
197 struct DisplayIdGetter<HalVirtualDisplayIdType<displayId>> {
198     static HalVirtualDisplayId get() { return HalVirtualDisplayId(displayId); }
199 };
200 
201 template <>
202 struct DisplayIdGetter<GpuVirtualDisplayIdType> {
203     static GpuVirtualDisplayId get() { return GpuVirtualDisplayId(0); }
204 };
205 
206 template <typename>
207 struct DisplayConnectionTypeGetter {
208     static constexpr std::optional<ui::DisplayConnectionType> value;
209 };
210 
211 template <typename PhysicalDisplay>
212 struct DisplayConnectionTypeGetter<PhysicalDisplayIdType<PhysicalDisplay>> {
213     static constexpr std::optional<ui::DisplayConnectionType> value =
214             PhysicalDisplay::CONNECTION_TYPE;
215 };
216 
217 template <typename>
218 struct HwcDisplayIdGetter {
219     static constexpr std::optional<HWDisplayId> value;
220 };
221 
222 constexpr HWDisplayId HWC_VIRTUAL_DISPLAY_HWC_DISPLAY_ID = 1010;
223 
224 template <uint64_t displayId>
225 struct HwcDisplayIdGetter<HalVirtualDisplayIdType<displayId>> {
226     static constexpr std::optional<HWDisplayId> value = HWC_VIRTUAL_DISPLAY_HWC_DISPLAY_ID;
227 };
228 
229 template <typename PhysicalDisplay>
230 struct HwcDisplayIdGetter<PhysicalDisplayIdType<PhysicalDisplay>> {
231     static constexpr std::optional<HWDisplayId> value = PhysicalDisplay::HWC_DISPLAY_ID;
232 };
233 
234 // DisplayIdType can be:
235 //     1) PhysicalDisplayIdType<...> for generated ID of physical display backed by HWC.
236 //     2) HalVirtualDisplayIdType<...> for hard-coded ID of virtual display backed by HWC.
237 //     3) GpuVirtualDisplayIdType for virtual display without HWC backing.
238 template <typename DisplayIdType, int width, int height, Async async, Secure secure,
239           Primary primary, int grallocUsage, int displayFlags>
240 struct DisplayVariant {
241     using DISPLAY_ID = DisplayIdGetter<DisplayIdType>;
242     using CONNECTION_TYPE = DisplayConnectionTypeGetter<DisplayIdType>;
243     using HWC_DISPLAY_ID_OPT = HwcDisplayIdGetter<DisplayIdType>;
244 
245     static constexpr int WIDTH = width;
246     static constexpr int HEIGHT = height;
247     static constexpr ui::Size RESOLUTION{WIDTH, HEIGHT};
248 
249     static constexpr int GRALLOC_USAGE = grallocUsage;
250 
251     // Whether the display is virtual or physical
252     static constexpr Virtual VIRTUAL =
253             IsPhysicalDisplayId<DisplayIdType>{} ? Virtual::FALSE : Virtual::TRUE;
254 
255     // When creating native window surfaces for the framebuffer, whether those should be async
256     static constexpr Async ASYNC = async;
257 
258     // Whether the display should be treated as secure
259     static constexpr Secure SECURE = secure;
260 
261     // Whether the display is primary
262     static constexpr Primary PRIMARY = primary;
263 
264     static constexpr int DISPLAY_FLAGS = displayFlags;
265 
266     static auto makeFakeExistingDisplayInjector(DisplayTransactionTest* test) {
267         auto ceDisplayArgs = compositionengine::DisplayCreationArgsBuilder();
268         ceDisplayArgs.setId(DISPLAY_ID::get())
269                 .setPixels(RESOLUTION)
270                 .setPowerAdvisor(&test->mPowerAdvisor);
271 
272         auto compositionDisplay =
273                 compositionengine::impl::createDisplay(test->mFlinger.getCompositionEngine(),
274                                                        ceDisplayArgs.build());
275 
276         auto injector =
277                 TestableSurfaceFlinger::FakeDisplayDeviceInjector(test->mFlinger,
278                                                                   compositionDisplay,
279                                                                   CONNECTION_TYPE::value,
280                                                                   HWC_DISPLAY_ID_OPT::value,
281                                                                   static_cast<bool>(PRIMARY));
282 
283         injector.setSecure(static_cast<bool>(SECURE));
284         injector.setNativeWindow(test->mNativeWindow);
285 
286         // Creating a DisplayDevice requires getting default dimensions from the
287         // native window along with some other initial setup.
288         EXPECT_CALL(*test->mNativeWindow, query(NATIVE_WINDOW_WIDTH, _))
289                 .WillRepeatedly(DoAll(SetArgPointee<1>(WIDTH), Return(0)));
290         EXPECT_CALL(*test->mNativeWindow, query(NATIVE_WINDOW_HEIGHT, _))
291                 .WillRepeatedly(DoAll(SetArgPointee<1>(HEIGHT), Return(0)));
292         EXPECT_CALL(*test->mNativeWindow, perform(NATIVE_WINDOW_SET_BUFFERS_FORMAT))
293                 .WillRepeatedly(Return(0));
294         EXPECT_CALL(*test->mNativeWindow, perform(NATIVE_WINDOW_API_CONNECT))
295                 .WillRepeatedly(Return(0));
296         EXPECT_CALL(*test->mNativeWindow, perform(NATIVE_WINDOW_SET_USAGE64))
297                 .WillRepeatedly(Return(0));
298         EXPECT_CALL(*test->mNativeWindow, perform(NATIVE_WINDOW_API_DISCONNECT))
299                 .WillRepeatedly(Return(0));
300 
301         return injector;
302     }
303 
304     // Called by tests to set up any native window creation call expectations.
305     static void setupNativeWindowSurfaceCreationCallExpectations(DisplayTransactionTest* test) {
306         EXPECT_CALL(*test->mNativeWindowSurface, getNativeWindow())
307                 .WillOnce(Return(test->mNativeWindow));
308 
309         EXPECT_CALL(*test->mNativeWindow, query(NATIVE_WINDOW_WIDTH, _))
310                 .WillRepeatedly(DoAll(SetArgPointee<1>(WIDTH), Return(0)));
311         EXPECT_CALL(*test->mNativeWindow, query(NATIVE_WINDOW_HEIGHT, _))
312                 .WillRepeatedly(DoAll(SetArgPointee<1>(HEIGHT), Return(0)));
313         EXPECT_CALL(*test->mNativeWindow, perform(NATIVE_WINDOW_SET_BUFFERS_FORMAT))
314                 .WillRepeatedly(Return(0));
315         EXPECT_CALL(*test->mNativeWindow, perform(NATIVE_WINDOW_API_CONNECT))
316                 .WillRepeatedly(Return(0));
317         EXPECT_CALL(*test->mNativeWindow, perform(NATIVE_WINDOW_SET_USAGE64))
318                 .WillRepeatedly(Return(0));
319         EXPECT_CALL(*test->mNativeWindow, perform(NATIVE_WINDOW_API_DISCONNECT))
320                 .WillRepeatedly(Return(0));
321     }
322 
323     static void setupFramebufferConsumerBufferQueueCallExpectations(DisplayTransactionTest* test) {
324         EXPECT_CALL(*test->mConsumer, consumerConnect(_, false)).WillOnce(Return(NO_ERROR));
325         EXPECT_CALL(*test->mConsumer, setConsumerName(_)).WillRepeatedly(Return(NO_ERROR));
326         EXPECT_CALL(*test->mConsumer, setConsumerUsageBits(GRALLOC_USAGE))
327                 .WillRepeatedly(Return(NO_ERROR));
328         EXPECT_CALL(*test->mConsumer, setDefaultBufferSize(WIDTH, HEIGHT))
329                 .WillRepeatedly(Return(NO_ERROR));
330         EXPECT_CALL(*test->mConsumer, setMaxAcquiredBufferCount(_))
331                 .WillRepeatedly(Return(NO_ERROR));
332     }
333 
334     static void setupFramebufferProducerBufferQueueCallExpectations(DisplayTransactionTest* test) {
335         EXPECT_CALL(*test->mProducer, allocateBuffers(0, 0, 0, 0)).WillRepeatedly(Return());
336     }
337 };
338 
339 template <HWDisplayId hwcDisplayId, DisplayType hwcDisplayType, typename DisplayVariant,
340           typename PhysicalDisplay = void>
341 struct HwcDisplayVariant {
342     // The display id supplied by the HWC
343     static constexpr HWDisplayId HWC_DISPLAY_ID = hwcDisplayId;
344 
345     // The HWC display type
346     static constexpr DisplayType HWC_DISPLAY_TYPE = hwcDisplayType;
347 
348     // The HWC active configuration id
349     static constexpr hal::HWConfigId HWC_ACTIVE_CONFIG_ID = 2001;
350     static constexpr PowerMode INIT_POWER_MODE = hal::PowerMode::ON;
351 
352     static void injectPendingHotplugEvent(DisplayTransactionTest* test, Connection connection) {
353         test->mFlinger.mutablePendingHotplugEvents().emplace_back(
354                 TestableSurfaceFlinger::HotplugEvent{HWC_DISPLAY_ID, connection});
355     }
356 
357     // Called by tests to inject a HWC display setup
358     template <bool kInitPowerMode = true>
359     static void injectHwcDisplayWithNoDefaultCapabilities(DisplayTransactionTest* test) {
360         const auto displayId = DisplayVariant::DISPLAY_ID::get();
361         ASSERT_FALSE(GpuVirtualDisplayId::tryCast(displayId));
362         TestableSurfaceFlinger::FakeHwcDisplayInjector(displayId, HWC_DISPLAY_TYPE,
363                                                        static_cast<bool>(DisplayVariant::PRIMARY))
364                 .setHwcDisplayId(HWC_DISPLAY_ID)
365                 .setResolution(DisplayVariant::RESOLUTION)
366                 .setActiveConfig(HWC_ACTIVE_CONFIG_ID)
367                 .setPowerMode(kInitPowerMode ? std::make_optional(INIT_POWER_MODE) : std::nullopt)
368                 .inject(&test->mFlinger, test->mComposer);
369     }
370 
371     // Called by tests to inject a HWC display setup
372     template <bool kInitPowerMode = true>
373     static void injectHwcDisplay(DisplayTransactionTest* test) {
374         if constexpr (kInitPowerMode) {
375             EXPECT_CALL(*test->mComposer, getDisplayCapabilities(HWC_DISPLAY_ID, _))
376                     .WillOnce(DoAll(SetArgPointee<1>(std::vector<DisplayCapability>({})),
377                                     Return(Error::NONE)));
378 
379             EXPECT_CALL(*test->mComposer, setPowerMode(HWC_DISPLAY_ID, INIT_POWER_MODE))
380                     .WillOnce(Return(Error::NONE));
381         }
382         injectHwcDisplayWithNoDefaultCapabilities<kInitPowerMode>(test);
383     }
384 
385     static std::shared_ptr<compositionengine::Display> injectCompositionDisplay(
386             DisplayTransactionTest* test) {
387         const ::testing::TestInfo* const test_info =
388                 ::testing::UnitTest::GetInstance()->current_test_info();
389 
390         auto ceDisplayArgs = compositionengine::DisplayCreationArgsBuilder()
391                                      .setId(DisplayVariant::DISPLAY_ID::get())
392                                      .setPixels(DisplayVariant::RESOLUTION)
393                                      .setIsSecure(static_cast<bool>(DisplayVariant::SECURE))
394                                      .setPowerAdvisor(&test->mPowerAdvisor)
395                                      .setName(std::string("Injected display for ") +
396                                               test_info->test_case_name() + "." + test_info->name())
397                                      .build();
398 
399         return compositionengine::impl::createDisplay(test->mFlinger.getCompositionEngine(),
400                                                       ceDisplayArgs);
401     }
402 
403     static void setupHwcGetConfigsCallExpectations(DisplayTransactionTest* test) {
404         if (HWC_DISPLAY_TYPE == DisplayType::PHYSICAL) {
405             EXPECT_CALL(*test->mComposer, getDisplayConfigs(HWC_DISPLAY_ID, _))
406                     .WillRepeatedly(DoAll(SetArgPointee<1>(std::vector<hal::HWConfigId>{
407                                                   HWC_ACTIVE_CONFIG_ID}),
408                                           Return(Error::NONE)));
409             EXPECT_CALL(*test->mComposer,
410                         getDisplayAttribute(HWC_DISPLAY_ID, HWC_ACTIVE_CONFIG_ID,
411                                             IComposerClient::Attribute::WIDTH, _))
412                     .WillRepeatedly(
413                             DoAll(SetArgPointee<3>(DisplayVariant::WIDTH), Return(Error::NONE)));
414             EXPECT_CALL(*test->mComposer,
415                         getDisplayAttribute(HWC_DISPLAY_ID, HWC_ACTIVE_CONFIG_ID,
416                                             IComposerClient::Attribute::HEIGHT, _))
417                     .WillRepeatedly(
418                             DoAll(SetArgPointee<3>(DisplayVariant::HEIGHT), Return(Error::NONE)));
419             EXPECT_CALL(*test->mComposer,
420                         getDisplayAttribute(HWC_DISPLAY_ID, HWC_ACTIVE_CONFIG_ID,
421                                             IComposerClient::Attribute::VSYNC_PERIOD, _))
422                     .WillRepeatedly(
423                             DoAll(SetArgPointee<3>(DEFAULT_VSYNC_PERIOD), Return(Error::NONE)));
424             EXPECT_CALL(*test->mComposer,
425                         getDisplayAttribute(HWC_DISPLAY_ID, HWC_ACTIVE_CONFIG_ID,
426                                             IComposerClient::Attribute::DPI_X, _))
427                     .WillRepeatedly(DoAll(SetArgPointee<3>(DEFAULT_DPI), Return(Error::NONE)));
428             EXPECT_CALL(*test->mComposer,
429                         getDisplayAttribute(HWC_DISPLAY_ID, HWC_ACTIVE_CONFIG_ID,
430                                             IComposerClient::Attribute::DPI_Y, _))
431                     .WillRepeatedly(DoAll(SetArgPointee<3>(DEFAULT_DPI), Return(Error::NONE)));
432             EXPECT_CALL(*test->mComposer,
433                         getDisplayAttribute(HWC_DISPLAY_ID, HWC_ACTIVE_CONFIG_ID,
434                                             IComposerClient::Attribute::CONFIG_GROUP, _))
435                     .WillRepeatedly(DoAll(SetArgPointee<3>(-1), Return(Error::NONE)));
436         } else {
437             EXPECT_CALL(*test->mComposer, getDisplayConfigs(_, _)).Times(0);
438             EXPECT_CALL(*test->mComposer, getDisplayAttribute(_, _, _, _)).Times(0);
439         }
440     }
441 
442     template <bool kFailedHotplug = false>
443     static void setupHwcHotplugCallExpectations(DisplayTransactionTest* test) {
444         if constexpr (!kFailedHotplug) {
445             constexpr auto CONNECTION_TYPE =
446                     PhysicalDisplay::CONNECTION_TYPE == ui::DisplayConnectionType::Internal
447                     ? IComposerClient::DisplayConnectionType::INTERNAL
448                     : IComposerClient::DisplayConnectionType::EXTERNAL;
449 
450             EXPECT_CALL(*test->mComposer, getDisplayConnectionType(HWC_DISPLAY_ID, _))
451                     .WillOnce(DoAll(SetArgPointee<1>(CONNECTION_TYPE),
452                                     Return(hal::V2_4::Error::NONE)));
453         }
454 
455         EXPECT_CALL(*test->mComposer, setClientTargetSlotCount(_))
456                 .WillOnce(Return(hal::Error::NONE));
457 
458         setupHwcGetConfigsCallExpectations(test);
459 
460         if (PhysicalDisplay::HAS_IDENTIFICATION_DATA) {
461             EXPECT_CALL(*test->mComposer, getDisplayIdentificationData(HWC_DISPLAY_ID, _, _))
462                     .WillOnce(DoAll(SetArgPointee<1>(PhysicalDisplay::PORT),
463                                     SetArgPointee<2>(PhysicalDisplay::GET_IDENTIFICATION_DATA()),
464                                     Return(Error::NONE)));
465         } else {
466             EXPECT_CALL(*test->mComposer, getDisplayIdentificationData(HWC_DISPLAY_ID, _, _))
467                     .WillOnce(Return(Error::UNSUPPORTED));
468         }
469     }
470 
471     // Called by tests to set up HWC call expectations
472     static void setupHwcGetActiveConfigCallExpectations(DisplayTransactionTest* test) {
473         EXPECT_CALL(*test->mComposer, getActiveConfig(HWC_DISPLAY_ID, _))
474                 .WillRepeatedly(DoAll(SetArgPointee<1>(HWC_ACTIVE_CONFIG_ID), Return(Error::NONE)));
475     }
476 };
477 
478 // Physical displays are expected to be synchronous, secure, and have a HWC display for output.
479 constexpr uint32_t GRALLOC_USAGE_PHYSICAL_DISPLAY =
480         GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_COMPOSER | GRALLOC_USAGE_HW_FB;
481 
482 constexpr int PHYSICAL_DISPLAY_FLAGS = 0x1;
483 
484 template <typename PhysicalDisplay, int width, int height>
485 struct PhysicalDisplayVariant
486       : DisplayVariant<PhysicalDisplayIdType<PhysicalDisplay>, width, height, Async::FALSE,
487                        Secure::TRUE, PhysicalDisplay::PRIMARY, GRALLOC_USAGE_PHYSICAL_DISPLAY,
488                        PHYSICAL_DISPLAY_FLAGS>,
489         HwcDisplayVariant<PhysicalDisplay::HWC_DISPLAY_ID, DisplayType::PHYSICAL,
490                           DisplayVariant<PhysicalDisplayIdType<PhysicalDisplay>, width, height,
491                                          Async::FALSE, Secure::TRUE, PhysicalDisplay::PRIMARY,
492                                          GRALLOC_USAGE_PHYSICAL_DISPLAY, PHYSICAL_DISPLAY_FLAGS>,
493                           PhysicalDisplay> {};
494 
495 template <bool hasIdentificationData>
496 struct PrimaryDisplay {
497     static constexpr auto CONNECTION_TYPE = ui::DisplayConnectionType::Internal;
498     static constexpr Primary PRIMARY = Primary::TRUE;
499     static constexpr uint8_t PORT = 255;
500     static constexpr HWDisplayId HWC_DISPLAY_ID = 1001;
501     static constexpr bool HAS_IDENTIFICATION_DATA = hasIdentificationData;
502     static constexpr auto GET_IDENTIFICATION_DATA = getInternalEdid;
503 };
504 
505 template <ui::DisplayConnectionType connectionType, bool hasIdentificationData>
506 struct SecondaryDisplay {
507     static constexpr auto CONNECTION_TYPE = connectionType;
508     static constexpr Primary PRIMARY = Primary::FALSE;
509     static constexpr uint8_t PORT = 254;
510     static constexpr HWDisplayId HWC_DISPLAY_ID = 1002;
511     static constexpr bool HAS_IDENTIFICATION_DATA = hasIdentificationData;
512     static constexpr auto GET_IDENTIFICATION_DATA =
513             connectionType == ui::DisplayConnectionType::Internal ? getInternalEdid
514                                                                   : getExternalEdid;
515 };
516 
517 struct TertiaryDisplay {
518     static constexpr Primary PRIMARY = Primary::FALSE;
519     static constexpr uint8_t PORT = 253;
520     static constexpr HWDisplayId HWC_DISPLAY_ID = 1003;
521     static constexpr auto GET_IDENTIFICATION_DATA = getExternalEdid;
522 };
523 
524 using PrimaryDisplayVariant = PhysicalDisplayVariant<PrimaryDisplay<false>, 3840, 2160>;
525 
526 using InnerDisplayVariant = PhysicalDisplayVariant<PrimaryDisplay<true>, 1840, 2208>;
527 using OuterDisplayVariant =
528         PhysicalDisplayVariant<SecondaryDisplay<ui::DisplayConnectionType::Internal, true>, 1080,
529                                2092>;
530 
531 using ExternalDisplayVariant =
532         PhysicalDisplayVariant<SecondaryDisplay<ui::DisplayConnectionType::External, false>, 1920,
533                                1280>;
534 
535 using TertiaryDisplayVariant = PhysicalDisplayVariant<TertiaryDisplay, 1600, 1200>;
536 
537 // A virtual display not supported by the HWC.
538 constexpr uint32_t GRALLOC_USAGE_NONHWC_VIRTUAL_DISPLAY = 0;
539 
540 constexpr int VIRTUAL_DISPLAY_FLAGS = 0x0;
541 
542 template <int width, int height, Secure secure>
543 struct NonHwcVirtualDisplayVariant
544       : DisplayVariant<GpuVirtualDisplayIdType, width, height, Async::TRUE, secure, Primary::FALSE,
545                        GRALLOC_USAGE_NONHWC_VIRTUAL_DISPLAY, VIRTUAL_DISPLAY_FLAGS> {
546     using Base = DisplayVariant<GpuVirtualDisplayIdType, width, height, Async::TRUE, secure,
547                                 Primary::FALSE, GRALLOC_USAGE_NONHWC_VIRTUAL_DISPLAY,
548                                 VIRTUAL_DISPLAY_FLAGS>;
549 
550     static void injectHwcDisplay(DisplayTransactionTest*) {}
551 
552     static std::shared_ptr<compositionengine::Display> injectCompositionDisplay(
553             DisplayTransactionTest* test) {
554         const ::testing::TestInfo* const test_info =
555                 ::testing::UnitTest::GetInstance()->current_test_info();
556 
557         auto ceDisplayArgs = compositionengine::DisplayCreationArgsBuilder()
558                                      .setId(Base::DISPLAY_ID::get())
559                                      .setPixels(Base::RESOLUTION)
560                                      .setIsSecure(static_cast<bool>(Base::SECURE))
561                                      .setPowerAdvisor(&test->mPowerAdvisor)
562                                      .setName(std::string("Injected display for ") +
563                                               test_info->test_case_name() + "." + test_info->name())
564                                      .build();
565 
566         return compositionengine::impl::createDisplay(test->mFlinger.getCompositionEngine(),
567                                                       ceDisplayArgs);
568     }
569 
570     static void setupHwcGetConfigsCallExpectations(DisplayTransactionTest* test) {
571         EXPECT_CALL(*test->mComposer, getDisplayConfigs(_, _)).Times(0);
572         EXPECT_CALL(*test->mComposer, getDisplayAttribute(_, _, _, _)).Times(0);
573     }
574 
575     static void setupHwcGetActiveConfigCallExpectations(DisplayTransactionTest* test) {
576         EXPECT_CALL(*test->mComposer, getActiveConfig(_, _)).Times(0);
577     }
578 
579     static void setupNativeWindowSurfaceCreationCallExpectations(DisplayTransactionTest* test) {
580         Base::setupNativeWindowSurfaceCreationCallExpectations(test);
581         EXPECT_CALL(*test->mNativeWindow, setSwapInterval(0)).Times(1);
582     }
583 };
584 
585 // A virtual display supported by the HWC.
586 constexpr uint32_t GRALLOC_USAGE_HWC_VIRTUAL_DISPLAY = GRALLOC_USAGE_HW_COMPOSER;
587 
588 template <int width, int height, Secure secure>
589 struct HwcVirtualDisplayVariant
590       : DisplayVariant<HalVirtualDisplayIdType<42>, width, height, Async::TRUE, secure,
591                        Primary::FALSE, GRALLOC_USAGE_HWC_VIRTUAL_DISPLAY, VIRTUAL_DISPLAY_FLAGS>,
592         HwcDisplayVariant<HWC_VIRTUAL_DISPLAY_HWC_DISPLAY_ID, DisplayType::VIRTUAL,
593                           DisplayVariant<HalVirtualDisplayIdType<42>, width, height, Async::TRUE,
594                                          secure, Primary::FALSE, GRALLOC_USAGE_HWC_VIRTUAL_DISPLAY,
595                                          VIRTUAL_DISPLAY_FLAGS>> {
596     using Base = DisplayVariant<HalVirtualDisplayIdType<42>, width, height, Async::TRUE, secure,
597                                 Primary::FALSE, GRALLOC_USAGE_HW_COMPOSER, VIRTUAL_DISPLAY_FLAGS>;
598     using Self = HwcVirtualDisplayVariant<width, height, secure>;
599 
600     static std::shared_ptr<compositionengine::Display> injectCompositionDisplay(
601             DisplayTransactionTest* test) {
602         const ::testing::TestInfo* const test_info =
603                 ::testing::UnitTest::GetInstance()->current_test_info();
604 
605         const auto displayId = Base::DISPLAY_ID::get();
606         auto ceDisplayArgs = compositionengine::DisplayCreationArgsBuilder()
607                                      .setId(displayId)
608                                      .setPixels(Base::RESOLUTION)
609                                      .setIsSecure(static_cast<bool>(Base::SECURE))
610                                      .setPowerAdvisor(&test->mPowerAdvisor)
611                                      .setName(std::string("Injected display for ") +
612                                               test_info->test_case_name() + "." + test_info->name())
613                                      .build();
614 
615         auto compositionDisplay =
616                 compositionengine::impl::createDisplay(test->mFlinger.getCompositionEngine(),
617                                                        ceDisplayArgs);
618 
619         // Insert display data so that the HWC thinks it created the virtual display.
620         test->mFlinger.mutableHwcDisplayData().try_emplace(displayId);
621 
622         return compositionDisplay;
623     }
624 
625     static void setupNativeWindowSurfaceCreationCallExpectations(DisplayTransactionTest* test) {
626         Base::setupNativeWindowSurfaceCreationCallExpectations(test);
627         EXPECT_CALL(*test->mNativeWindow, setSwapInterval(0)).Times(1);
628     }
629 
630     static void setupHwcVirtualDisplayCreationCallExpectations(DisplayTransactionTest* test) {
631         EXPECT_CALL(*test->mComposer, createVirtualDisplay(Base::WIDTH, Base::HEIGHT, _, _))
632                 .WillOnce(DoAll(SetArgPointee<3>(Self::HWC_DISPLAY_ID), Return(Error::NONE)));
633         EXPECT_CALL(*test->mComposer, setClientTargetSlotCount(_)).WillOnce(Return(Error::NONE));
634     }
635 };
636 
637 // For this variant, the display is not a HWC display, so no HDR support should
638 // be configured.
639 struct NonHwcDisplayHdrSupportVariant {
640     static constexpr bool HDR10_PLUS_SUPPORTED = false;
641     static constexpr bool HDR10_SUPPORTED = false;
642     static constexpr bool HDR_HLG_SUPPORTED = false;
643     static constexpr bool HDR_DOLBY_VISION_SUPPORTED = false;
644     static void setupComposerCallExpectations(DisplayTransactionTest* test) {
645         EXPECT_CALL(*test->mComposer, getHdrCapabilities(_, _, _, _, _)).Times(0);
646     }
647 };
648 
649 // For this variant, the composer should respond with am empty list of HDR
650 // modes, so no HDR support should be configured.
651 template <typename Display>
652 struct HdrNotSupportedVariant {
653     static constexpr bool HDR10_PLUS_SUPPORTED = false;
654     static constexpr bool HDR10_SUPPORTED = false;
655     static constexpr bool HDR_HLG_SUPPORTED = false;
656     static constexpr bool HDR_DOLBY_VISION_SUPPORTED = false;
657     static void setupComposerCallExpectations(DisplayTransactionTest* test) {
658         EXPECT_CALL(*test->mComposer, getHdrCapabilities(Display::HWC_DISPLAY_ID, _, _, _, _))
659                 .WillOnce(DoAll(SetArgPointee<1>(std::vector<Hdr>()), Return(Error::NONE)));
660     }
661 };
662 
663 struct NonHwcPerFrameMetadataSupportVariant {
664     static constexpr int PER_FRAME_METADATA_KEYS = 0;
665     static void setupComposerCallExpectations(DisplayTransactionTest* test) {
666         EXPECT_CALL(*test->mComposer, getPerFrameMetadataKeys(_)).Times(0);
667     }
668 };
669 
670 template <typename Display>
671 struct NoPerFrameMetadataSupportVariant {
672     static constexpr int PER_FRAME_METADATA_KEYS = 0;
673     static void setupComposerCallExpectations(DisplayTransactionTest* test) {
674         EXPECT_CALL(*test->mComposer, getPerFrameMetadataKeys(Display::HWC_DISPLAY_ID))
675                 .WillOnce(Return(std::vector<PerFrameMetadataKey>()));
676     }
677 };
678 
679 // For this variant, SurfaceFlinger should configure itself with wide display
680 // support, but the display should respond with an empty list of supported color
681 // modes. Wide-color support for the display should not be configured.
682 template <typename Display>
683 struct WideColorNotSupportedVariant {
684     static constexpr bool WIDE_COLOR_SUPPORTED = false;
685 
686     static void injectConfigChange(DisplayTransactionTest* test) {
687         test->mFlinger.mutableSupportsWideColor() = true;
688     }
689 
690     static void setupComposerCallExpectations(DisplayTransactionTest* test) {
691         EXPECT_CALL(*test->mComposer, setColorMode(_, _, _)).Times(0);
692     }
693 };
694 
695 // For this variant, SurfaceFlinger should not configure itself with wide
696 // display support, so the display should not be configured for wide-color
697 // support.
698 struct WideColorSupportNotConfiguredVariant {
699     static constexpr bool WIDE_COLOR_SUPPORTED = false;
700 
701     static void injectConfigChange(DisplayTransactionTest* test) {
702         test->mFlinger.mutableSupportsWideColor() = false;
703         test->mFlinger.mutableDisplayColorSetting() = DisplayColorSetting::kUnmanaged;
704     }
705 
706     static void setupComposerCallExpectations(DisplayTransactionTest* test) {
707         EXPECT_CALL(*test->mComposer, getRenderIntents(_, _, _)).Times(0);
708         EXPECT_CALL(*test->mComposer, setColorMode(_, _, _)).Times(0);
709     }
710 };
711 
712 /* ------------------------------------------------------------------------
713  * Typical display configurations to test
714  */
715 
716 template <typename DisplayPolicy, typename WideColorSupportPolicy, typename HdrSupportPolicy,
717           typename PerFrameMetadataSupportPolicy>
718 struct Case {
719     using Display = DisplayPolicy;
720     using WideColorSupport = WideColorSupportPolicy;
721     using HdrSupport = HdrSupportPolicy;
722     using PerFrameMetadataSupport = PerFrameMetadataSupportPolicy;
723 };
724 
725 using SimplePrimaryDisplayCase =
726         Case<PrimaryDisplayVariant, WideColorNotSupportedVariant<PrimaryDisplayVariant>,
727              HdrNotSupportedVariant<PrimaryDisplayVariant>,
728              NoPerFrameMetadataSupportVariant<PrimaryDisplayVariant>>;
729 using SimpleExternalDisplayCase =
730         Case<ExternalDisplayVariant, WideColorNotSupportedVariant<ExternalDisplayVariant>,
731              HdrNotSupportedVariant<ExternalDisplayVariant>,
732              NoPerFrameMetadataSupportVariant<ExternalDisplayVariant>>;
733 using SimpleTertiaryDisplayCase =
734         Case<TertiaryDisplayVariant, WideColorNotSupportedVariant<TertiaryDisplayVariant>,
735              HdrNotSupportedVariant<TertiaryDisplayVariant>,
736              NoPerFrameMetadataSupportVariant<TertiaryDisplayVariant>>;
737 
738 using NonHwcVirtualDisplayCase =
739         Case<NonHwcVirtualDisplayVariant<1024, 768, Secure::FALSE>,
740              WideColorSupportNotConfiguredVariant, NonHwcDisplayHdrSupportVariant,
741              NonHwcPerFrameMetadataSupportVariant>;
742 using SimpleHwcVirtualDisplayVariant = HwcVirtualDisplayVariant<1024, 768, Secure::TRUE>;
743 using HwcVirtualDisplayCase =
744         Case<SimpleHwcVirtualDisplayVariant, WideColorSupportNotConfiguredVariant,
745              HdrNotSupportedVariant<SimpleHwcVirtualDisplayVariant>,
746              NoPerFrameMetadataSupportVariant<SimpleHwcVirtualDisplayVariant>>;
747 
748 inline DisplayModePtr createDisplayMode(DisplayModeId modeId, Fps refreshRate, int32_t group = 0,
749                                         ui::Size resolution = ui::Size(1920, 1080)) {
750     return mock::createDisplayMode(modeId, refreshRate, group, resolution,
751                                    PrimaryDisplayVariant::DISPLAY_ID::get());
752 }
753 
754 } // namespace android
755 
756 // TODO(b/129481165): remove the #pragma below and fix conversion issues
757 #pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
758