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1 /*
2  * Copyright (C) 2007 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 // tag as surfaceflinger
18 #define LOG_TAG "SurfaceFlinger"
19 
20 #include <stdint.h>
21 #include <sys/types.h>
22 
23 #include <binder/Parcel.h>
24 #include <binder/IMemory.h>
25 #include <binder/IPCThreadState.h>
26 #include <binder/IServiceManager.h>
27 
28 #include <gui/BitTube.h>
29 #include <gui/IDisplayEventConnection.h>
30 #include <gui/ISurfaceComposer.h>
31 #include <gui/IGraphicBufferProducer.h>
32 
33 #include <private/gui/LayerState.h>
34 
35 #include <system/graphics.h>
36 
37 #include <ui/DisplayInfo.h>
38 #include <ui/DisplayStatInfo.h>
39 #include <ui/HdrCapabilities.h>
40 
41 #include <utils/Log.h>
42 
43 // ---------------------------------------------------------------------------
44 
45 namespace android {
46 
47 class IDisplayEventConnection;
48 
49 class BpSurfaceComposer : public BpInterface<ISurfaceComposer>
50 {
51 public:
BpSurfaceComposer(const sp<IBinder> & impl)52     BpSurfaceComposer(const sp<IBinder>& impl)
53         : BpInterface<ISurfaceComposer>(impl)
54     {
55     }
56 
57     virtual ~BpSurfaceComposer();
58 
createConnection()59     virtual sp<ISurfaceComposerClient> createConnection()
60     {
61         Parcel data, reply;
62         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
63         remote()->transact(BnSurfaceComposer::CREATE_CONNECTION, data, &reply);
64         return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder());
65     }
66 
createGraphicBufferAlloc()67     virtual sp<IGraphicBufferAlloc> createGraphicBufferAlloc()
68     {
69         Parcel data, reply;
70         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
71         remote()->transact(BnSurfaceComposer::CREATE_GRAPHIC_BUFFER_ALLOC, data, &reply);
72         return interface_cast<IGraphicBufferAlloc>(reply.readStrongBinder());
73     }
74 
setTransactionState(const Vector<ComposerState> & state,const Vector<DisplayState> & displays,uint32_t flags)75     virtual void setTransactionState(
76             const Vector<ComposerState>& state,
77             const Vector<DisplayState>& displays,
78             uint32_t flags)
79     {
80         Parcel data, reply;
81         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
82 
83         data.writeUint32(static_cast<uint32_t>(state.size()));
84         for (const auto& s : state) {
85             s.write(data);
86         }
87 
88         data.writeUint32(static_cast<uint32_t>(displays.size()));
89         for (const auto& d : displays) {
90             d.write(data);
91         }
92 
93         data.writeUint32(flags);
94         remote()->transact(BnSurfaceComposer::SET_TRANSACTION_STATE, data, &reply);
95     }
96 
bootFinished()97     virtual void bootFinished()
98     {
99         Parcel data, reply;
100         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
101         remote()->transact(BnSurfaceComposer::BOOT_FINISHED, data, &reply);
102     }
103 
captureScreen(const sp<IBinder> & display,const sp<IGraphicBufferProducer> & producer,Rect sourceCrop,uint32_t reqWidth,uint32_t reqHeight,uint32_t minLayerZ,uint32_t maxLayerZ,bool useIdentityTransform,ISurfaceComposer::Rotation rotation)104     virtual status_t captureScreen(const sp<IBinder>& display,
105             const sp<IGraphicBufferProducer>& producer,
106             Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
107             uint32_t minLayerZ, uint32_t maxLayerZ,
108             bool useIdentityTransform,
109             ISurfaceComposer::Rotation rotation)
110     {
111         Parcel data, reply;
112         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
113         data.writeStrongBinder(display);
114         data.writeStrongBinder(IInterface::asBinder(producer));
115         data.write(sourceCrop);
116         data.writeUint32(reqWidth);
117         data.writeUint32(reqHeight);
118         data.writeUint32(minLayerZ);
119         data.writeUint32(maxLayerZ);
120         data.writeInt32(static_cast<int32_t>(useIdentityTransform));
121         data.writeInt32(static_cast<int32_t>(rotation));
122         remote()->transact(BnSurfaceComposer::CAPTURE_SCREEN, data, &reply);
123         return reply.readInt32();
124     }
125 
authenticateSurfaceTexture(const sp<IGraphicBufferProducer> & bufferProducer) const126     virtual bool authenticateSurfaceTexture(
127             const sp<IGraphicBufferProducer>& bufferProducer) const
128     {
129         Parcel data, reply;
130         int err = NO_ERROR;
131         err = data.writeInterfaceToken(
132                 ISurfaceComposer::getInterfaceDescriptor());
133         if (err != NO_ERROR) {
134             ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error writing "
135                     "interface descriptor: %s (%d)", strerror(-err), -err);
136             return false;
137         }
138         err = data.writeStrongBinder(IInterface::asBinder(bufferProducer));
139         if (err != NO_ERROR) {
140             ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error writing "
141                     "strong binder to parcel: %s (%d)", strerror(-err), -err);
142             return false;
143         }
144         err = remote()->transact(BnSurfaceComposer::AUTHENTICATE_SURFACE, data,
145                 &reply);
146         if (err != NO_ERROR) {
147             ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error "
148                     "performing transaction: %s (%d)", strerror(-err), -err);
149             return false;
150         }
151         int32_t result = 0;
152         err = reply.readInt32(&result);
153         if (err != NO_ERROR) {
154             ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error "
155                     "retrieving result: %s (%d)", strerror(-err), -err);
156             return false;
157         }
158         return result != 0;
159     }
160 
createDisplayEventConnection()161     virtual sp<IDisplayEventConnection> createDisplayEventConnection()
162     {
163         Parcel data, reply;
164         sp<IDisplayEventConnection> result;
165         int err = data.writeInterfaceToken(
166                 ISurfaceComposer::getInterfaceDescriptor());
167         if (err != NO_ERROR) {
168             return result;
169         }
170         err = remote()->transact(
171                 BnSurfaceComposer::CREATE_DISPLAY_EVENT_CONNECTION,
172                 data, &reply);
173         if (err != NO_ERROR) {
174             ALOGE("ISurfaceComposer::createDisplayEventConnection: error performing "
175                     "transaction: %s (%d)", strerror(-err), -err);
176             return result;
177         }
178         result = interface_cast<IDisplayEventConnection>(reply.readStrongBinder());
179         return result;
180     }
181 
createDisplay(const String8 & displayName,bool secure)182     virtual sp<IBinder> createDisplay(const String8& displayName, bool secure)
183     {
184         Parcel data, reply;
185         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
186         data.writeString8(displayName);
187         data.writeInt32(secure ? 1 : 0);
188         remote()->transact(BnSurfaceComposer::CREATE_DISPLAY, data, &reply);
189         return reply.readStrongBinder();
190     }
191 
destroyDisplay(const sp<IBinder> & display)192     virtual void destroyDisplay(const sp<IBinder>& display)
193     {
194         Parcel data, reply;
195         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
196         data.writeStrongBinder(display);
197         remote()->transact(BnSurfaceComposer::DESTROY_DISPLAY, data, &reply);
198     }
199 
getBuiltInDisplay(int32_t id)200     virtual sp<IBinder> getBuiltInDisplay(int32_t id)
201     {
202         Parcel data, reply;
203         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
204         data.writeInt32(id);
205         remote()->transact(BnSurfaceComposer::GET_BUILT_IN_DISPLAY, data, &reply);
206         return reply.readStrongBinder();
207     }
208 
setPowerMode(const sp<IBinder> & display,int mode)209     virtual void setPowerMode(const sp<IBinder>& display, int mode)
210     {
211         Parcel data, reply;
212         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
213         data.writeStrongBinder(display);
214         data.writeInt32(mode);
215         remote()->transact(BnSurfaceComposer::SET_POWER_MODE, data, &reply);
216     }
217 
getDisplayConfigs(const sp<IBinder> & display,Vector<DisplayInfo> * configs)218     virtual status_t getDisplayConfigs(const sp<IBinder>& display,
219             Vector<DisplayInfo>* configs)
220     {
221         Parcel data, reply;
222         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
223         data.writeStrongBinder(display);
224         remote()->transact(BnSurfaceComposer::GET_DISPLAY_CONFIGS, data, &reply);
225         status_t result = reply.readInt32();
226         if (result == NO_ERROR) {
227             size_t numConfigs = reply.readUint32();
228             configs->clear();
229             configs->resize(numConfigs);
230             for (size_t c = 0; c < numConfigs; ++c) {
231                 memcpy(&(configs->editItemAt(c)),
232                         reply.readInplace(sizeof(DisplayInfo)),
233                         sizeof(DisplayInfo));
234             }
235         }
236         return result;
237     }
238 
getDisplayStats(const sp<IBinder> & display,DisplayStatInfo * stats)239     virtual status_t getDisplayStats(const sp<IBinder>& display,
240             DisplayStatInfo* stats)
241     {
242         Parcel data, reply;
243         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
244         data.writeStrongBinder(display);
245         remote()->transact(BnSurfaceComposer::GET_DISPLAY_STATS, data, &reply);
246         status_t result = reply.readInt32();
247         if (result == NO_ERROR) {
248             memcpy(stats,
249                     reply.readInplace(sizeof(DisplayStatInfo)),
250                     sizeof(DisplayStatInfo));
251         }
252         return result;
253     }
254 
getActiveConfig(const sp<IBinder> & display)255     virtual int getActiveConfig(const sp<IBinder>& display)
256     {
257         Parcel data, reply;
258         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
259         data.writeStrongBinder(display);
260         remote()->transact(BnSurfaceComposer::GET_ACTIVE_CONFIG, data, &reply);
261         return reply.readInt32();
262     }
263 
setActiveConfig(const sp<IBinder> & display,int id)264     virtual status_t setActiveConfig(const sp<IBinder>& display, int id)
265     {
266         Parcel data, reply;
267         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
268         data.writeStrongBinder(display);
269         data.writeInt32(id);
270         remote()->transact(BnSurfaceComposer::SET_ACTIVE_CONFIG, data, &reply);
271         return reply.readInt32();
272     }
273 
getDisplayColorModes(const sp<IBinder> & display,Vector<android_color_mode_t> * outColorModes)274     virtual status_t getDisplayColorModes(const sp<IBinder>& display,
275             Vector<android_color_mode_t>* outColorModes) {
276         Parcel data, reply;
277         status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
278         if (result != NO_ERROR) {
279             ALOGE("getDisplayColorModes failed to writeInterfaceToken: %d", result);
280             return result;
281         }
282         result = data.writeStrongBinder(display);
283         if (result != NO_ERROR) {
284             ALOGE("getDisplayColorModes failed to writeStrongBinder: %d", result);
285             return result;
286         }
287         result = remote()->transact(BnSurfaceComposer::GET_DISPLAY_COLOR_MODES, data, &reply);
288         if (result != NO_ERROR) {
289             ALOGE("getDisplayColorModes failed to transact: %d", result);
290             return result;
291         }
292         result = static_cast<status_t>(reply.readInt32());
293         if (result == NO_ERROR) {
294             size_t numModes = reply.readUint32();
295             outColorModes->clear();
296             outColorModes->resize(numModes);
297             for (size_t i = 0; i < numModes; ++i) {
298                 outColorModes->replaceAt(static_cast<android_color_mode_t>(reply.readInt32()), i);
299             }
300         }
301         return result;
302     }
303 
getActiveColorMode(const sp<IBinder> & display)304     virtual android_color_mode_t getActiveColorMode(const sp<IBinder>& display) {
305         Parcel data, reply;
306         status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
307         if (result != NO_ERROR) {
308             ALOGE("getActiveColorMode failed to writeInterfaceToken: %d", result);
309             return static_cast<android_color_mode_t>(result);
310         }
311         result = data.writeStrongBinder(display);
312         if (result != NO_ERROR) {
313             ALOGE("getActiveColorMode failed to writeStrongBinder: %d", result);
314             return static_cast<android_color_mode_t>(result);
315         }
316         result = remote()->transact(BnSurfaceComposer::GET_ACTIVE_COLOR_MODE, data, &reply);
317         if (result != NO_ERROR) {
318             ALOGE("getActiveColorMode failed to transact: %d", result);
319             return static_cast<android_color_mode_t>(result);
320         }
321         return static_cast<android_color_mode_t>(reply.readInt32());
322     }
323 
setActiveColorMode(const sp<IBinder> & display,android_color_mode_t colorMode)324     virtual status_t setActiveColorMode(const sp<IBinder>& display,
325             android_color_mode_t colorMode) {
326         Parcel data, reply;
327         status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
328         if (result != NO_ERROR) {
329             ALOGE("setActiveColorMode failed to writeInterfaceToken: %d", result);
330             return result;
331         }
332         result = data.writeStrongBinder(display);
333         if (result != NO_ERROR) {
334             ALOGE("setActiveColorMode failed to writeStrongBinder: %d", result);
335             return result;
336         }
337         result = data.writeInt32(colorMode);
338         if (result != NO_ERROR) {
339             ALOGE("setActiveColorMode failed to writeInt32: %d", result);
340             return result;
341         }
342         result = remote()->transact(BnSurfaceComposer::SET_ACTIVE_COLOR_MODE, data, &reply);
343         if (result != NO_ERROR) {
344             ALOGE("setActiveColorMode failed to transact: %d", result);
345             return result;
346         }
347         return static_cast<status_t>(reply.readInt32());
348     }
349 
clearAnimationFrameStats()350     virtual status_t clearAnimationFrameStats() {
351         Parcel data, reply;
352         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
353         remote()->transact(BnSurfaceComposer::CLEAR_ANIMATION_FRAME_STATS, data, &reply);
354         return reply.readInt32();
355     }
356 
getAnimationFrameStats(FrameStats * outStats) const357     virtual status_t getAnimationFrameStats(FrameStats* outStats) const {
358         Parcel data, reply;
359         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
360         remote()->transact(BnSurfaceComposer::GET_ANIMATION_FRAME_STATS, data, &reply);
361         reply.read(*outStats);
362         return reply.readInt32();
363     }
364 
getHdrCapabilities(const sp<IBinder> & display,HdrCapabilities * outCapabilities) const365     virtual status_t getHdrCapabilities(const sp<IBinder>& display,
366             HdrCapabilities* outCapabilities) const {
367         Parcel data, reply;
368         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
369         status_t result = data.writeStrongBinder(display);
370         if (result != NO_ERROR) {
371             ALOGE("getHdrCapabilities failed to writeStrongBinder: %d", result);
372             return result;
373         }
374         result = remote()->transact(BnSurfaceComposer::GET_HDR_CAPABILITIES,
375                 data, &reply);
376         if (result != NO_ERROR) {
377             ALOGE("getHdrCapabilities failed to transact: %d", result);
378             return result;
379         }
380         result = reply.readInt32();
381         if (result == NO_ERROR) {
382             result = reply.readParcelable(outCapabilities);
383         }
384         return result;
385     }
386 };
387 
388 // Out-of-line virtual method definition to trigger vtable emission in this
389 // translation unit (see clang warning -Wweak-vtables)
~BpSurfaceComposer()390 BpSurfaceComposer::~BpSurfaceComposer() {}
391 
392 IMPLEMENT_META_INTERFACE(SurfaceComposer, "android.ui.ISurfaceComposer");
393 
394 // ----------------------------------------------------------------------
395 
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)396 status_t BnSurfaceComposer::onTransact(
397     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
398 {
399     switch(code) {
400         case CREATE_CONNECTION: {
401             CHECK_INTERFACE(ISurfaceComposer, data, reply);
402             sp<IBinder> b = IInterface::asBinder(createConnection());
403             reply->writeStrongBinder(b);
404             return NO_ERROR;
405         }
406         case CREATE_GRAPHIC_BUFFER_ALLOC: {
407             CHECK_INTERFACE(ISurfaceComposer, data, reply);
408             sp<IBinder> b = IInterface::asBinder(createGraphicBufferAlloc());
409             reply->writeStrongBinder(b);
410             return NO_ERROR;
411         }
412         case SET_TRANSACTION_STATE: {
413             CHECK_INTERFACE(ISurfaceComposer, data, reply);
414 
415             size_t count = data.readUint32();
416             if (count > data.dataSize()) {
417                 return BAD_VALUE;
418             }
419             ComposerState s;
420             Vector<ComposerState> state;
421             state.setCapacity(count);
422             for (size_t i = 0; i < count; i++) {
423                 if (s.read(data) == BAD_VALUE) {
424                     return BAD_VALUE;
425                 }
426                 state.add(s);
427             }
428 
429             count = data.readUint32();
430             if (count > data.dataSize()) {
431                 return BAD_VALUE;
432             }
433             DisplayState d;
434             Vector<DisplayState> displays;
435             displays.setCapacity(count);
436             for (size_t i = 0; i < count; i++) {
437                 if (d.read(data) == BAD_VALUE) {
438                     return BAD_VALUE;
439                 }
440                 displays.add(d);
441             }
442 
443             uint32_t stateFlags = data.readUint32();
444             setTransactionState(state, displays, stateFlags);
445             return NO_ERROR;
446         }
447         case BOOT_FINISHED: {
448             CHECK_INTERFACE(ISurfaceComposer, data, reply);
449             bootFinished();
450             return NO_ERROR;
451         }
452         case CAPTURE_SCREEN: {
453             CHECK_INTERFACE(ISurfaceComposer, data, reply);
454             sp<IBinder> display = data.readStrongBinder();
455             sp<IGraphicBufferProducer> producer =
456                     interface_cast<IGraphicBufferProducer>(data.readStrongBinder());
457             Rect sourceCrop(Rect::EMPTY_RECT);
458             data.read(sourceCrop);
459             uint32_t reqWidth = data.readUint32();
460             uint32_t reqHeight = data.readUint32();
461             uint32_t minLayerZ = data.readUint32();
462             uint32_t maxLayerZ = data.readUint32();
463             bool useIdentityTransform = static_cast<bool>(data.readInt32());
464             int32_t rotation = data.readInt32();
465 
466             status_t res = captureScreen(display, producer,
467                     sourceCrop, reqWidth, reqHeight, minLayerZ, maxLayerZ,
468                     useIdentityTransform,
469                     static_cast<ISurfaceComposer::Rotation>(rotation));
470             reply->writeInt32(res);
471             return NO_ERROR;
472         }
473         case AUTHENTICATE_SURFACE: {
474             CHECK_INTERFACE(ISurfaceComposer, data, reply);
475             sp<IGraphicBufferProducer> bufferProducer =
476                     interface_cast<IGraphicBufferProducer>(data.readStrongBinder());
477             int32_t result = authenticateSurfaceTexture(bufferProducer) ? 1 : 0;
478             reply->writeInt32(result);
479             return NO_ERROR;
480         }
481         case CREATE_DISPLAY_EVENT_CONNECTION: {
482             CHECK_INTERFACE(ISurfaceComposer, data, reply);
483             sp<IDisplayEventConnection> connection(createDisplayEventConnection());
484             reply->writeStrongBinder(IInterface::asBinder(connection));
485             return NO_ERROR;
486         }
487         case CREATE_DISPLAY: {
488             CHECK_INTERFACE(ISurfaceComposer, data, reply);
489             String8 displayName = data.readString8();
490             bool secure = bool(data.readInt32());
491             sp<IBinder> display(createDisplay(displayName, secure));
492             reply->writeStrongBinder(display);
493             return NO_ERROR;
494         }
495         case DESTROY_DISPLAY: {
496             CHECK_INTERFACE(ISurfaceComposer, data, reply);
497             sp<IBinder> display = data.readStrongBinder();
498             destroyDisplay(display);
499             return NO_ERROR;
500         }
501         case GET_BUILT_IN_DISPLAY: {
502             CHECK_INTERFACE(ISurfaceComposer, data, reply);
503             int32_t id = data.readInt32();
504             sp<IBinder> display(getBuiltInDisplay(id));
505             reply->writeStrongBinder(display);
506             return NO_ERROR;
507         }
508         case GET_DISPLAY_CONFIGS: {
509             CHECK_INTERFACE(ISurfaceComposer, data, reply);
510             Vector<DisplayInfo> configs;
511             sp<IBinder> display = data.readStrongBinder();
512             status_t result = getDisplayConfigs(display, &configs);
513             reply->writeInt32(result);
514             if (result == NO_ERROR) {
515                 reply->writeUint32(static_cast<uint32_t>(configs.size()));
516                 for (size_t c = 0; c < configs.size(); ++c) {
517                     memcpy(reply->writeInplace(sizeof(DisplayInfo)),
518                             &configs[c], sizeof(DisplayInfo));
519                 }
520             }
521             return NO_ERROR;
522         }
523         case GET_DISPLAY_STATS: {
524             CHECK_INTERFACE(ISurfaceComposer, data, reply);
525             DisplayStatInfo stats;
526             sp<IBinder> display = data.readStrongBinder();
527             status_t result = getDisplayStats(display, &stats);
528             reply->writeInt32(result);
529             if (result == NO_ERROR) {
530                 memcpy(reply->writeInplace(sizeof(DisplayStatInfo)),
531                         &stats, sizeof(DisplayStatInfo));
532             }
533             return NO_ERROR;
534         }
535         case GET_ACTIVE_CONFIG: {
536             CHECK_INTERFACE(ISurfaceComposer, data, reply);
537             sp<IBinder> display = data.readStrongBinder();
538             int id = getActiveConfig(display);
539             reply->writeInt32(id);
540             return NO_ERROR;
541         }
542         case SET_ACTIVE_CONFIG: {
543             CHECK_INTERFACE(ISurfaceComposer, data, reply);
544             sp<IBinder> display = data.readStrongBinder();
545             int id = data.readInt32();
546             status_t result = setActiveConfig(display, id);
547             reply->writeInt32(result);
548             return NO_ERROR;
549         }
550         case GET_DISPLAY_COLOR_MODES: {
551             CHECK_INTERFACE(ISurfaceComposer, data, reply);
552             Vector<android_color_mode_t> colorModes;
553             sp<IBinder> display = nullptr;
554             status_t result = data.readStrongBinder(&display);
555             if (result != NO_ERROR) {
556                 ALOGE("getDisplayColorModes failed to readStrongBinder: %d", result);
557                 return result;
558             }
559             result = getDisplayColorModes(display, &colorModes);
560             reply->writeInt32(result);
561             if (result == NO_ERROR) {
562                 reply->writeUint32(static_cast<uint32_t>(colorModes.size()));
563                 for (size_t i = 0; i < colorModes.size(); ++i) {
564                     reply->writeInt32(colorModes[i]);
565                 }
566             }
567             return NO_ERROR;
568         }
569         case GET_ACTIVE_COLOR_MODE: {
570             CHECK_INTERFACE(ISurfaceComposer, data, reply);
571             sp<IBinder> display = nullptr;
572             status_t result = data.readStrongBinder(&display);
573             if (result != NO_ERROR) {
574                 ALOGE("getActiveColorMode failed to readStrongBinder: %d", result);
575                 return result;
576             }
577             android_color_mode_t colorMode = getActiveColorMode(display);
578             result = reply->writeInt32(static_cast<int32_t>(colorMode));
579             return result;
580         }
581         case SET_ACTIVE_COLOR_MODE: {
582             CHECK_INTERFACE(ISurfaceComposer, data, reply);
583             sp<IBinder> display = nullptr;
584             status_t result = data.readStrongBinder(&display);
585             if (result != NO_ERROR) {
586                 ALOGE("getActiveColorMode failed to readStrongBinder: %d", result);
587                 return result;
588             }
589             int32_t colorModeInt = 0;
590             result = data.readInt32(&colorModeInt);
591             if (result != NO_ERROR) {
592                 ALOGE("setActiveColorMode failed to readInt32: %d", result);
593                 return result;
594             }
595             result = setActiveColorMode(display,
596                     static_cast<android_color_mode_t>(colorModeInt));
597             result = reply->writeInt32(result);
598             return result;
599         }
600         case CLEAR_ANIMATION_FRAME_STATS: {
601             CHECK_INTERFACE(ISurfaceComposer, data, reply);
602             status_t result = clearAnimationFrameStats();
603             reply->writeInt32(result);
604             return NO_ERROR;
605         }
606         case GET_ANIMATION_FRAME_STATS: {
607             CHECK_INTERFACE(ISurfaceComposer, data, reply);
608             FrameStats stats;
609             status_t result = getAnimationFrameStats(&stats);
610             reply->write(stats);
611             reply->writeInt32(result);
612             return NO_ERROR;
613         }
614         case SET_POWER_MODE: {
615             CHECK_INTERFACE(ISurfaceComposer, data, reply);
616             sp<IBinder> display = data.readStrongBinder();
617             int32_t mode = data.readInt32();
618             setPowerMode(display, mode);
619             return NO_ERROR;
620         }
621         case GET_HDR_CAPABILITIES: {
622             CHECK_INTERFACE(ISurfaceComposer, data, reply);
623             sp<IBinder> display = nullptr;
624             status_t result = data.readStrongBinder(&display);
625             if (result != NO_ERROR) {
626                 ALOGE("getHdrCapabilities failed to readStrongBinder: %d",
627                         result);
628                 return result;
629             }
630             HdrCapabilities capabilities;
631             result = getHdrCapabilities(display, &capabilities);
632             reply->writeInt32(result);
633             if (result == NO_ERROR) {
634                 reply->writeParcelable(capabilities);
635             }
636             return NO_ERROR;
637         }
638         default: {
639             return BBinder::onTransact(code, data, reply, flags);
640         }
641     }
642 }
643 
644 // ----------------------------------------------------------------------------
645 
646 };
647