1/*
2 * Copyright (C) 2013 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#define LOG_TAG "SurfaceControl"
18
19#include <stdio.h>
20
21#include "jni.h"
22#include "JNIHelp.h"
23
24#include "android_os_Parcel.h"
25#include "android_util_Binder.h"
26#include "android/graphics/GraphicsJNI.h"
27#include "android/graphics/Region.h"
28
29#include <android_runtime/AndroidRuntime.h>
30#include <android_runtime/android_view_Surface.h>
31#include <android_runtime/android_view_SurfaceSession.h>
32
33#include <gui/Surface.h>
34#include <gui/SurfaceComposerClient.h>
35
36#include <ui/DisplayInfo.h>
37#include <ui/FrameStats.h>
38#include <ui/Rect.h>
39#include <ui/Region.h>
40
41#include <utils/Log.h>
42
43#include <ScopedUtfChars.h>
44
45#include "SkTemplates.h"
46
47// ----------------------------------------------------------------------------
48
49namespace android {
50
51static const char* const OutOfResourcesException =
52    "android/view/Surface$OutOfResourcesException";
53
54static struct {
55    jclass clazz;
56    jmethodID ctor;
57    jfieldID width;
58    jfieldID height;
59    jfieldID refreshRate;
60    jfieldID density;
61    jfieldID xDpi;
62    jfieldID yDpi;
63    jfieldID secure;
64    jfieldID appVsyncOffsetNanos;
65    jfieldID presentationDeadlineNanos;
66} gPhysicalDisplayInfoClassInfo;
67
68static struct {
69    jfieldID bottom;
70    jfieldID left;
71    jfieldID right;
72    jfieldID top;
73} gRectClassInfo;
74
75// Implements SkMallocPixelRef::ReleaseProc, to delete the screenshot on unref.
76void DeleteScreenshot(void* addr, void* context) {
77    SkASSERT(addr == ((ScreenshotClient*) context)->getPixels());
78    delete ((ScreenshotClient*) context);
79}
80
81static struct {
82    nsecs_t UNDEFINED_TIME_NANO;
83    jmethodID init;
84} gWindowContentFrameStatsClassInfo;
85
86static struct {
87    nsecs_t UNDEFINED_TIME_NANO;
88    jmethodID init;
89} gWindowAnimationFrameStatsClassInfo;
90
91// ----------------------------------------------------------------------------
92
93static jlong nativeCreate(JNIEnv* env, jclass clazz, jobject sessionObj,
94        jstring nameStr, jint w, jint h, jint format, jint flags) {
95    ScopedUtfChars name(env, nameStr);
96    sp<SurfaceComposerClient> client(android_view_SurfaceSession_getClient(env, sessionObj));
97    sp<SurfaceControl> surface = client->createSurface(
98            String8(name.c_str()), w, h, format, flags);
99    if (surface == NULL) {
100        jniThrowException(env, OutOfResourcesException, NULL);
101        return 0;
102    }
103    surface->incStrong((void *)nativeCreate);
104    return reinterpret_cast<jlong>(surface.get());
105}
106
107static void nativeRelease(JNIEnv* env, jclass clazz, jlong nativeObject) {
108    sp<SurfaceControl> ctrl(reinterpret_cast<SurfaceControl *>(nativeObject));
109    ctrl->decStrong((void *)nativeCreate);
110}
111
112static void nativeDestroy(JNIEnv* env, jclass clazz, jlong nativeObject) {
113    sp<SurfaceControl> ctrl(reinterpret_cast<SurfaceControl *>(nativeObject));
114    ctrl->clear();
115    ctrl->decStrong((void *)nativeCreate);
116}
117
118static jobject nativeScreenshotBitmap(JNIEnv* env, jclass clazz,
119        jobject displayTokenObj, jobject sourceCropObj, jint width, jint height,
120        jint minLayer, jint maxLayer, bool allLayers, bool useIdentityTransform,
121        int rotation) {
122    sp<IBinder> displayToken = ibinderForJavaObject(env, displayTokenObj);
123    if (displayToken == NULL) {
124        return NULL;
125    }
126
127    int left = env->GetIntField(sourceCropObj, gRectClassInfo.left);
128    int top = env->GetIntField(sourceCropObj, gRectClassInfo.top);
129    int right = env->GetIntField(sourceCropObj, gRectClassInfo.right);
130    int bottom = env->GetIntField(sourceCropObj, gRectClassInfo.bottom);
131    Rect sourceCrop(left, top, right, bottom);
132
133    SkAutoTDelete<ScreenshotClient> screenshot(new ScreenshotClient());
134    status_t res;
135    if (allLayers) {
136        minLayer = 0;
137        maxLayer = -1UL;
138    }
139
140    res = screenshot->update(displayToken, sourceCrop, width, height,
141        minLayer, maxLayer, useIdentityTransform, static_cast<uint32_t>(rotation));
142    if (res != NO_ERROR) {
143        return NULL;
144    }
145
146    SkImageInfo screenshotInfo;
147    screenshotInfo.fWidth = screenshot->getWidth();
148    screenshotInfo.fHeight = screenshot->getHeight();
149
150    switch (screenshot->getFormat()) {
151        case PIXEL_FORMAT_RGBX_8888: {
152            screenshotInfo.fColorType = kRGBA_8888_SkColorType;
153            screenshotInfo.fAlphaType = kIgnore_SkAlphaType;
154            break;
155        }
156        case PIXEL_FORMAT_RGBA_8888: {
157            screenshotInfo.fColorType = kRGBA_8888_SkColorType;
158            screenshotInfo.fAlphaType = kPremul_SkAlphaType;
159            break;
160        }
161        case PIXEL_FORMAT_RGB_565: {
162            screenshotInfo.fColorType = kRGB_565_SkColorType;
163            screenshotInfo.fAlphaType = kIgnore_SkAlphaType;
164            break;
165        }
166        default: {
167            return NULL;
168        }
169    }
170
171    const ssize_t rowBytes =
172            screenshot->getStride() * android::bytesPerPixel(screenshot->getFormat());
173
174    SkBitmap* bitmap = new SkBitmap();
175    bitmap->setInfo(screenshotInfo, (size_t)rowBytes);
176    if (screenshotInfo.fWidth > 0 && screenshotInfo.fHeight > 0) {
177        // takes ownership of ScreenshotClient
178        SkMallocPixelRef* pixels = SkMallocPixelRef::NewWithProc(screenshotInfo,
179                (size_t) rowBytes, NULL, (void*) screenshot->getPixels(), &DeleteScreenshot,
180                (void*) (screenshot.get()));
181        screenshot.detach();
182        pixels->setImmutable();
183        bitmap->setPixelRef(pixels)->unref();
184        bitmap->lockPixels();
185    }
186
187    return GraphicsJNI::createBitmap(env, bitmap,
188            GraphicsJNI::kBitmapCreateFlag_Premultiplied, NULL);
189}
190
191static void nativeScreenshot(JNIEnv* env, jclass clazz, jobject displayTokenObj,
192        jobject surfaceObj, jobject sourceCropObj, jint width, jint height,
193        jint minLayer, jint maxLayer, bool allLayers, bool useIdentityTransform) {
194    sp<IBinder> displayToken = ibinderForJavaObject(env, displayTokenObj);
195    if (displayToken != NULL) {
196        sp<Surface> consumer = android_view_Surface_getSurface(env, surfaceObj);
197        if (consumer != NULL) {
198            int left = env->GetIntField(sourceCropObj, gRectClassInfo.left);
199            int top = env->GetIntField(sourceCropObj, gRectClassInfo.top);
200            int right = env->GetIntField(sourceCropObj, gRectClassInfo.right);
201            int bottom = env->GetIntField(sourceCropObj, gRectClassInfo.bottom);
202            Rect sourceCrop(left, top, right, bottom);
203
204            if (allLayers) {
205                minLayer = 0;
206                maxLayer = -1;
207            }
208            ScreenshotClient::capture(displayToken,
209                    consumer->getIGraphicBufferProducer(), sourceCrop,
210                    width, height, uint32_t(minLayer), uint32_t(maxLayer),
211                    useIdentityTransform);
212        }
213    }
214}
215
216static void nativeOpenTransaction(JNIEnv* env, jclass clazz) {
217    SurfaceComposerClient::openGlobalTransaction();
218}
219
220static void nativeCloseTransaction(JNIEnv* env, jclass clazz) {
221    SurfaceComposerClient::closeGlobalTransaction();
222}
223
224static void nativeSetAnimationTransaction(JNIEnv* env, jclass clazz) {
225    SurfaceComposerClient::setAnimationTransaction();
226}
227
228static void nativeSetLayer(JNIEnv* env, jclass clazz, jlong nativeObject, jint zorder) {
229    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
230    status_t err = ctrl->setLayer(zorder);
231    if (err < 0 && err != NO_INIT) {
232        doThrowIAE(env);
233    }
234}
235
236static void nativeSetPosition(JNIEnv* env, jclass clazz, jlong nativeObject, jfloat x, jfloat y) {
237    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
238    status_t err = ctrl->setPosition(x, y);
239    if (err < 0 && err != NO_INIT) {
240        doThrowIAE(env);
241    }
242}
243
244static void nativeSetSize(JNIEnv* env, jclass clazz, jlong nativeObject, jint w, jint h) {
245    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
246    status_t err = ctrl->setSize(w, h);
247    if (err < 0 && err != NO_INIT) {
248        doThrowIAE(env);
249    }
250}
251
252static void nativeSetFlags(JNIEnv* env, jclass clazz, jlong nativeObject, jint flags, jint mask) {
253    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
254    status_t err = ctrl->setFlags(flags, mask);
255    if (err < 0 && err != NO_INIT) {
256        doThrowIAE(env);
257    }
258}
259
260static void nativeSetTransparentRegionHint(JNIEnv* env, jclass clazz, jlong nativeObject, jobject regionObj) {
261    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
262    SkRegion* region = android_graphics_Region_getSkRegion(env, regionObj);
263    if (!region) {
264        doThrowIAE(env);
265        return;
266    }
267
268    const SkIRect& b(region->getBounds());
269    Region reg(Rect(b.fLeft, b.fTop, b.fRight, b.fBottom));
270    if (region->isComplex()) {
271        SkRegion::Iterator it(*region);
272        while (!it.done()) {
273            const SkIRect& r(it.rect());
274            reg.addRectUnchecked(r.fLeft, r.fTop, r.fRight, r.fBottom);
275            it.next();
276        }
277    }
278
279    status_t err = ctrl->setTransparentRegionHint(reg);
280    if (err < 0 && err != NO_INIT) {
281        doThrowIAE(env);
282    }
283}
284
285static void nativeSetAlpha(JNIEnv* env, jclass clazz, jlong nativeObject, jfloat alpha) {
286    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
287    status_t err = ctrl->setAlpha(alpha);
288    if (err < 0 && err != NO_INIT) {
289        doThrowIAE(env);
290    }
291}
292
293static void nativeSetMatrix(JNIEnv* env, jclass clazz, jlong nativeObject,
294        jfloat dsdx, jfloat dtdx, jfloat dsdy, jfloat dtdy) {
295    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
296    status_t err = ctrl->setMatrix(dsdx, dtdx, dsdy, dtdy);
297    if (err < 0 && err != NO_INIT) {
298        doThrowIAE(env);
299    }
300}
301
302static void nativeSetWindowCrop(JNIEnv* env, jclass clazz, jlong nativeObject,
303        jint l, jint t, jint r, jint b) {
304    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
305    Rect crop(l, t, r, b);
306    status_t err = ctrl->setCrop(crop);
307    if (err < 0 && err != NO_INIT) {
308        doThrowIAE(env);
309    }
310}
311
312static void nativeSetLayerStack(JNIEnv* env, jclass clazz, jlong nativeObject, jint layerStack) {
313    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
314    status_t err = ctrl->setLayerStack(layerStack);
315    if (err < 0 && err != NO_INIT) {
316        doThrowIAE(env);
317    }
318}
319
320static jobject nativeGetBuiltInDisplay(JNIEnv* env, jclass clazz, jint id) {
321    sp<IBinder> token(SurfaceComposerClient::getBuiltInDisplay(id));
322    return javaObjectForIBinder(env, token);
323}
324
325static jobject nativeCreateDisplay(JNIEnv* env, jclass clazz, jstring nameObj,
326        jboolean secure) {
327    ScopedUtfChars name(env, nameObj);
328    sp<IBinder> token(SurfaceComposerClient::createDisplay(
329            String8(name.c_str()), bool(secure)));
330    return javaObjectForIBinder(env, token);
331}
332
333static void nativeDestroyDisplay(JNIEnv* env, jclass clazz, jobject tokenObj) {
334    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
335    if (token == NULL) return;
336    SurfaceComposerClient::destroyDisplay(token);
337}
338
339static void nativeSetDisplaySurface(JNIEnv* env, jclass clazz,
340        jobject tokenObj, jlong nativeSurfaceObject) {
341    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
342    if (token == NULL) return;
343    sp<IGraphicBufferProducer> bufferProducer;
344    sp<Surface> sur(reinterpret_cast<Surface *>(nativeSurfaceObject));
345    if (sur != NULL) {
346        bufferProducer = sur->getIGraphicBufferProducer();
347    }
348    SurfaceComposerClient::setDisplaySurface(token, bufferProducer);
349}
350
351static void nativeSetDisplayLayerStack(JNIEnv* env, jclass clazz,
352        jobject tokenObj, jint layerStack) {
353    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
354    if (token == NULL) return;
355
356    SurfaceComposerClient::setDisplayLayerStack(token, layerStack);
357}
358
359static void nativeSetDisplayProjection(JNIEnv* env, jclass clazz,
360        jobject tokenObj, jint orientation,
361        jint layerStackRect_left, jint layerStackRect_top, jint layerStackRect_right, jint layerStackRect_bottom,
362        jint displayRect_left, jint displayRect_top, jint displayRect_right, jint displayRect_bottom) {
363    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
364    if (token == NULL) return;
365    Rect layerStackRect(layerStackRect_left, layerStackRect_top, layerStackRect_right, layerStackRect_bottom);
366    Rect displayRect(displayRect_left, displayRect_top, displayRect_right, displayRect_bottom);
367    SurfaceComposerClient::setDisplayProjection(token, orientation, layerStackRect, displayRect);
368}
369
370static void nativeSetDisplaySize(JNIEnv* env, jclass clazz,
371        jobject tokenObj, jint width, jint height) {
372    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
373    if (token == NULL) return;
374    SurfaceComposerClient::setDisplaySize(token, width, height);
375}
376
377static jobjectArray nativeGetDisplayConfigs(JNIEnv* env, jclass clazz,
378        jobject tokenObj) {
379    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
380    if (token == NULL) return NULL;
381
382    Vector<DisplayInfo> configs;
383    if (SurfaceComposerClient::getDisplayConfigs(token, &configs) != NO_ERROR ||
384            configs.size() == 0) {
385        return NULL;
386    }
387
388    jobjectArray configArray = env->NewObjectArray(configs.size(),
389            gPhysicalDisplayInfoClassInfo.clazz, NULL);
390
391    for (size_t c = 0; c < configs.size(); ++c) {
392        const DisplayInfo& info = configs[c];
393        jobject infoObj = env->NewObject(gPhysicalDisplayInfoClassInfo.clazz,
394                gPhysicalDisplayInfoClassInfo.ctor);
395        env->SetIntField(infoObj, gPhysicalDisplayInfoClassInfo.width, info.w);
396        env->SetIntField(infoObj, gPhysicalDisplayInfoClassInfo.height, info.h);
397        env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.refreshRate, info.fps);
398        env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.density, info.density);
399        env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.xDpi, info.xdpi);
400        env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.yDpi, info.ydpi);
401        env->SetBooleanField(infoObj, gPhysicalDisplayInfoClassInfo.secure, info.secure);
402        env->SetLongField(infoObj, gPhysicalDisplayInfoClassInfo.appVsyncOffsetNanos,
403                info.appVsyncOffset);
404        env->SetLongField(infoObj, gPhysicalDisplayInfoClassInfo.presentationDeadlineNanos,
405                info.presentationDeadline);
406        env->SetObjectArrayElement(configArray, static_cast<jsize>(c), infoObj);
407        env->DeleteLocalRef(infoObj);
408    }
409
410    return configArray;
411}
412
413static jint nativeGetActiveConfig(JNIEnv* env, jclass clazz, jobject tokenObj) {
414    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
415    if (token == NULL) return -1;
416    return static_cast<jint>(SurfaceComposerClient::getActiveConfig(token));
417}
418
419static jboolean nativeSetActiveConfig(JNIEnv* env, jclass clazz, jobject tokenObj, jint id) {
420    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
421    if (token == NULL) return JNI_FALSE;
422    status_t err = SurfaceComposerClient::setActiveConfig(token, static_cast<int>(id));
423    return err == NO_ERROR ? JNI_TRUE : JNI_FALSE;
424}
425
426static void nativeSetDisplayPowerMode(JNIEnv* env, jclass clazz, jobject tokenObj, jint mode) {
427    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
428    if (token == NULL) return;
429
430    ALOGD_IF_SLOW(100, "Excessive delay in setPowerMode()");
431    SurfaceComposerClient::setDisplayPowerMode(token, mode);
432}
433
434static jboolean nativeClearContentFrameStats(JNIEnv* env, jclass clazz, jlong nativeObject) {
435    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
436    status_t err = ctrl->clearLayerFrameStats();
437
438    if (err < 0 && err != NO_INIT) {
439        doThrowIAE(env);
440    }
441
442    // The other end is not ready, just report we failed.
443    if (err == NO_INIT) {
444        return JNI_FALSE;
445    }
446
447    return JNI_TRUE;
448}
449
450static jboolean nativeGetContentFrameStats(JNIEnv* env, jclass clazz, jlong nativeObject,
451    jobject outStats) {
452    FrameStats stats;
453
454    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
455    status_t err = ctrl->getLayerFrameStats(&stats);
456    if (err < 0 && err != NO_INIT) {
457        doThrowIAE(env);
458    }
459
460    // The other end is not ready, fine just return empty stats.
461    if (err == NO_INIT) {
462        return JNI_FALSE;
463    }
464
465    jlong refreshPeriodNano = static_cast<jlong>(stats.refreshPeriodNano);
466    size_t frameCount = stats.desiredPresentTimesNano.size();
467
468    jlongArray postedTimesNanoDst = env->NewLongArray(frameCount);
469    if (postedTimesNanoDst == NULL) {
470        return JNI_FALSE;
471    }
472
473    jlongArray presentedTimesNanoDst = env->NewLongArray(frameCount);
474    if (presentedTimesNanoDst == NULL) {
475        return JNI_FALSE;
476    }
477
478    jlongArray readyTimesNanoDst = env->NewLongArray(frameCount);
479    if (readyTimesNanoDst == NULL) {
480        return JNI_FALSE;
481    }
482
483    nsecs_t postedTimesNanoSrc[frameCount];
484    nsecs_t presentedTimesNanoSrc[frameCount];
485    nsecs_t readyTimesNanoSrc[frameCount];
486
487    for (size_t i = 0; i < frameCount; i++) {
488        nsecs_t postedTimeNano = stats.desiredPresentTimesNano[i];
489        if (postedTimeNano == INT64_MAX) {
490            postedTimeNano = gWindowContentFrameStatsClassInfo.UNDEFINED_TIME_NANO;
491        }
492        postedTimesNanoSrc[i] = postedTimeNano;
493
494        nsecs_t presentedTimeNano = stats.actualPresentTimesNano[i];
495        if (presentedTimeNano == INT64_MAX) {
496            presentedTimeNano = gWindowContentFrameStatsClassInfo.UNDEFINED_TIME_NANO;
497        }
498        presentedTimesNanoSrc[i] = presentedTimeNano;
499
500        nsecs_t readyTimeNano = stats.frameReadyTimesNano[i];
501        if (readyTimeNano == INT64_MAX) {
502            readyTimeNano = gWindowContentFrameStatsClassInfo.UNDEFINED_TIME_NANO;
503        }
504        readyTimesNanoSrc[i] = readyTimeNano;
505    }
506
507    env->SetLongArrayRegion(postedTimesNanoDst, 0, frameCount, postedTimesNanoSrc);
508    env->SetLongArrayRegion(presentedTimesNanoDst, 0, frameCount, presentedTimesNanoSrc);
509    env->SetLongArrayRegion(readyTimesNanoDst, 0, frameCount, readyTimesNanoSrc);
510
511    env->CallVoidMethod(outStats, gWindowContentFrameStatsClassInfo.init, refreshPeriodNano,
512            postedTimesNanoDst, presentedTimesNanoDst, readyTimesNanoDst);
513
514    if (env->ExceptionCheck()) {
515        return JNI_FALSE;
516    }
517
518    return JNI_TRUE;
519}
520
521static jboolean nativeClearAnimationFrameStats(JNIEnv* env, jclass clazz) {
522    status_t err = SurfaceComposerClient::clearAnimationFrameStats();
523
524    if (err < 0 && err != NO_INIT) {
525        doThrowIAE(env);
526    }
527
528    // The other end is not ready, just report we failed.
529    if (err == NO_INIT) {
530        return JNI_FALSE;
531    }
532
533    return JNI_TRUE;
534}
535
536static jboolean nativeGetAnimationFrameStats(JNIEnv* env, jclass clazz, jobject outStats) {
537    FrameStats stats;
538
539    status_t err = SurfaceComposerClient::getAnimationFrameStats(&stats);
540    if (err < 0 && err != NO_INIT) {
541        doThrowIAE(env);
542    }
543
544    // The other end is not ready, fine just return empty stats.
545    if (err == NO_INIT) {
546        return JNI_FALSE;
547    }
548
549    jlong refreshPeriodNano = static_cast<jlong>(stats.refreshPeriodNano);
550    size_t frameCount = stats.desiredPresentTimesNano.size();
551
552    jlongArray presentedTimesNanoDst = env->NewLongArray(frameCount);
553    if (presentedTimesNanoDst == NULL) {
554        return JNI_FALSE;
555    }
556
557    nsecs_t presentedTimesNanoSrc[frameCount];
558
559    for (size_t i = 0; i < frameCount; i++) {
560        nsecs_t presentedTimeNano = stats.actualPresentTimesNano[i];
561        if (presentedTimeNano == INT64_MAX) {
562            presentedTimeNano = gWindowContentFrameStatsClassInfo.UNDEFINED_TIME_NANO;
563        }
564        presentedTimesNanoSrc[i] = presentedTimeNano;
565    }
566
567    env->SetLongArrayRegion(presentedTimesNanoDst, 0, frameCount, presentedTimesNanoSrc);
568
569    env->CallVoidMethod(outStats, gWindowAnimationFrameStatsClassInfo.init, refreshPeriodNano,
570            presentedTimesNanoDst);
571
572    if (env->ExceptionCheck()) {
573        return JNI_FALSE;
574    }
575
576    return JNI_TRUE;
577}
578
579// ----------------------------------------------------------------------------
580
581static JNINativeMethod sSurfaceControlMethods[] = {
582    {"nativeCreate", "(Landroid/view/SurfaceSession;Ljava/lang/String;IIII)J",
583            (void*)nativeCreate },
584    {"nativeRelease", "(J)V",
585            (void*)nativeRelease },
586    {"nativeDestroy", "(J)V",
587            (void*)nativeDestroy },
588    {"nativeScreenshot", "(Landroid/os/IBinder;Landroid/graphics/Rect;IIIIZZI)Landroid/graphics/Bitmap;",
589            (void*)nativeScreenshotBitmap },
590    {"nativeScreenshot", "(Landroid/os/IBinder;Landroid/view/Surface;Landroid/graphics/Rect;IIIIZZ)V",
591            (void*)nativeScreenshot },
592    {"nativeOpenTransaction", "()V",
593            (void*)nativeOpenTransaction },
594    {"nativeCloseTransaction", "()V",
595            (void*)nativeCloseTransaction },
596    {"nativeSetAnimationTransaction", "()V",
597            (void*)nativeSetAnimationTransaction },
598    {"nativeSetLayer", "(JI)V",
599            (void*)nativeSetLayer },
600    {"nativeSetPosition", "(JFF)V",
601            (void*)nativeSetPosition },
602    {"nativeSetSize", "(JII)V",
603            (void*)nativeSetSize },
604    {"nativeSetTransparentRegionHint", "(JLandroid/graphics/Region;)V",
605            (void*)nativeSetTransparentRegionHint },
606    {"nativeSetAlpha", "(JF)V",
607            (void*)nativeSetAlpha },
608    {"nativeSetMatrix", "(JFFFF)V",
609            (void*)nativeSetMatrix },
610    {"nativeSetFlags", "(JII)V",
611            (void*)nativeSetFlags },
612    {"nativeSetWindowCrop", "(JIIII)V",
613            (void*)nativeSetWindowCrop },
614    {"nativeSetLayerStack", "(JI)V",
615            (void*)nativeSetLayerStack },
616    {"nativeGetBuiltInDisplay", "(I)Landroid/os/IBinder;",
617            (void*)nativeGetBuiltInDisplay },
618    {"nativeCreateDisplay", "(Ljava/lang/String;Z)Landroid/os/IBinder;",
619            (void*)nativeCreateDisplay },
620    {"nativeDestroyDisplay", "(Landroid/os/IBinder;)V",
621            (void*)nativeDestroyDisplay },
622    {"nativeSetDisplaySurface", "(Landroid/os/IBinder;J)V",
623            (void*)nativeSetDisplaySurface },
624    {"nativeSetDisplayLayerStack", "(Landroid/os/IBinder;I)V",
625            (void*)nativeSetDisplayLayerStack },
626    {"nativeSetDisplayProjection", "(Landroid/os/IBinder;IIIIIIIII)V",
627            (void*)nativeSetDisplayProjection },
628    {"nativeSetDisplaySize", "(Landroid/os/IBinder;II)V",
629            (void*)nativeSetDisplaySize },
630    {"nativeGetDisplayConfigs", "(Landroid/os/IBinder;)[Landroid/view/SurfaceControl$PhysicalDisplayInfo;",
631            (void*)nativeGetDisplayConfigs },
632    {"nativeGetActiveConfig", "(Landroid/os/IBinder;)I",
633            (void*)nativeGetActiveConfig },
634    {"nativeSetActiveConfig", "(Landroid/os/IBinder;I)Z",
635            (void*)nativeSetActiveConfig },
636    {"nativeClearContentFrameStats", "(J)Z",
637            (void*)nativeClearContentFrameStats },
638    {"nativeGetContentFrameStats", "(JLandroid/view/WindowContentFrameStats;)Z",
639            (void*)nativeGetContentFrameStats },
640    {"nativeClearAnimationFrameStats", "()Z",
641            (void*)nativeClearAnimationFrameStats },
642    {"nativeGetAnimationFrameStats", "(Landroid/view/WindowAnimationFrameStats;)Z",
643            (void*)nativeGetAnimationFrameStats },
644    {"nativeSetDisplayPowerMode", "(Landroid/os/IBinder;I)V",
645            (void*)nativeSetDisplayPowerMode },
646};
647
648int register_android_view_SurfaceControl(JNIEnv* env)
649{
650    int err = AndroidRuntime::registerNativeMethods(env, "android/view/SurfaceControl",
651            sSurfaceControlMethods, NELEM(sSurfaceControlMethods));
652
653    jclass clazz = env->FindClass("android/view/SurfaceControl$PhysicalDisplayInfo");
654    gPhysicalDisplayInfoClassInfo.clazz = static_cast<jclass>(env->NewGlobalRef(clazz));
655    gPhysicalDisplayInfoClassInfo.ctor = env->GetMethodID(gPhysicalDisplayInfoClassInfo.clazz,
656            "<init>", "()V");
657    gPhysicalDisplayInfoClassInfo.width = env->GetFieldID(clazz, "width", "I");
658    gPhysicalDisplayInfoClassInfo.height = env->GetFieldID(clazz, "height", "I");
659    gPhysicalDisplayInfoClassInfo.refreshRate = env->GetFieldID(clazz, "refreshRate", "F");
660    gPhysicalDisplayInfoClassInfo.density = env->GetFieldID(clazz, "density", "F");
661    gPhysicalDisplayInfoClassInfo.xDpi = env->GetFieldID(clazz, "xDpi", "F");
662    gPhysicalDisplayInfoClassInfo.yDpi = env->GetFieldID(clazz, "yDpi", "F");
663    gPhysicalDisplayInfoClassInfo.secure = env->GetFieldID(clazz, "secure", "Z");
664    gPhysicalDisplayInfoClassInfo.appVsyncOffsetNanos = env->GetFieldID(clazz,
665            "appVsyncOffsetNanos", "J");
666    gPhysicalDisplayInfoClassInfo.presentationDeadlineNanos = env->GetFieldID(clazz,
667            "presentationDeadlineNanos", "J");
668
669    jclass rectClazz = env->FindClass("android/graphics/Rect");
670    gRectClassInfo.bottom = env->GetFieldID(rectClazz, "bottom", "I");
671    gRectClassInfo.left = env->GetFieldID(rectClazz, "left", "I");
672    gRectClassInfo.right = env->GetFieldID(rectClazz, "right", "I");
673    gRectClassInfo.top = env->GetFieldID(rectClazz, "top", "I");
674
675    jclass frameStatsClazz = env->FindClass("android/view/FrameStats");
676    jfieldID undefined_time_nano_field =  env->GetStaticFieldID(frameStatsClazz, "UNDEFINED_TIME_NANO", "J");
677    nsecs_t undefined_time_nano = env->GetStaticLongField(frameStatsClazz, undefined_time_nano_field);
678
679    jclass contFrameStatsClazz = env->FindClass("android/view/WindowContentFrameStats");
680    gWindowContentFrameStatsClassInfo.init =  env->GetMethodID(contFrameStatsClazz, "init", "(J[J[J[J)V");
681    gWindowContentFrameStatsClassInfo.UNDEFINED_TIME_NANO = undefined_time_nano;
682
683    jclass animFrameStatsClazz = env->FindClass("android/view/WindowAnimationFrameStats");
684    gWindowAnimationFrameStatsClassInfo.init =  env->GetMethodID(animFrameStatsClazz, "init", "(J[J)V");
685    gWindowAnimationFrameStatsClassInfo.UNDEFINED_TIME_NANO = undefined_time_nano;
686
687    return err;
688}
689
690};
691