android_view_SurfaceControl.cpp revision b933055cf3f7f8ea89bfd3bc9c37a3891ff7310a 
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    sp<IBinder> displayToken = ibinderForJavaObject(env, displayTokenObj);
122    if (displayToken == NULL) {
123        return NULL;
124    }
125
126    int left = env->GetIntField(sourceCropObj, gRectClassInfo.left);
127    int top = env->GetIntField(sourceCropObj, gRectClassInfo.top);
128    int right = env->GetIntField(sourceCropObj, gRectClassInfo.right);
129    int bottom = env->GetIntField(sourceCropObj, gRectClassInfo.bottom);
130    Rect sourceCrop(left, top, right, bottom);
131
132    SkAutoTDelete<ScreenshotClient> screenshot(new ScreenshotClient());
133    status_t res;
134    if (width > 0 && height > 0) {
135        if (allLayers) {
136            res = screenshot->update(displayToken, sourceCrop, width, height,
137                    useIdentityTransform);
138        } else {
139            res = screenshot->update(displayToken, sourceCrop, width, height,
140                    minLayer, maxLayer, useIdentityTransform);
141        }
142    } else {
143        res = screenshot->update(displayToken, sourceCrop, useIdentityTransform);
144    }
145    if (res != NO_ERROR) {
146        return NULL;
147    }
148
149    SkImageInfo screenshotInfo;
150    screenshotInfo.fWidth = screenshot->getWidth();
151    screenshotInfo.fHeight = screenshot->getHeight();
152
153    switch (screenshot->getFormat()) {
154        case PIXEL_FORMAT_RGBX_8888: {
155            screenshotInfo.fColorType = kRGBA_8888_SkColorType;
156            screenshotInfo.fAlphaType = kIgnore_SkAlphaType;
157            break;
158        }
159        case PIXEL_FORMAT_RGBA_8888: {
160            screenshotInfo.fColorType = kRGBA_8888_SkColorType;
161            screenshotInfo.fAlphaType = kPremul_SkAlphaType;
162            break;
163        }
164        case PIXEL_FORMAT_RGB_565: {
165            screenshotInfo.fColorType = kRGB_565_SkColorType;
166            screenshotInfo.fAlphaType = kIgnore_SkAlphaType;
167            break;
168        }
169        default: {
170            return NULL;
171        }
172    }
173
174    const ssize_t rowBytes =
175            screenshot->getStride() * android::bytesPerPixel(screenshot->getFormat());
176
177    SkBitmap* bitmap = new SkBitmap();
178    bitmap->setInfo(screenshotInfo, (size_t)rowBytes);
179    if (screenshotInfo.fWidth > 0 && screenshotInfo.fHeight > 0) {
180        // takes ownership of ScreenshotClient
181        SkMallocPixelRef* pixels = SkMallocPixelRef::NewWithProc(screenshotInfo,
182                (size_t) rowBytes, NULL, (void*) screenshot->getPixels(), &DeleteScreenshot,
183                (void*) (screenshot.detach()));
184        pixels->setImmutable();
185        bitmap->setPixelRef(pixels)->unref();
186        bitmap->lockPixels();
187    }
188
189    return GraphicsJNI::createBitmap(env, bitmap,
190            GraphicsJNI::kBitmapCreateFlag_Premultiplied, NULL);
191}
192
193static void nativeScreenshot(JNIEnv* env, jclass clazz, jobject displayTokenObj,
194        jobject surfaceObj, jobject sourceCropObj, jint width, jint height,
195        jint minLayer, jint maxLayer, bool allLayers, bool useIdentityTransform) {
196    sp<IBinder> displayToken = ibinderForJavaObject(env, displayTokenObj);
197    if (displayToken != NULL) {
198        sp<Surface> consumer = android_view_Surface_getSurface(env, surfaceObj);
199        if (consumer != NULL) {
200            int left = env->GetIntField(sourceCropObj, gRectClassInfo.left);
201            int top = env->GetIntField(sourceCropObj, gRectClassInfo.top);
202            int right = env->GetIntField(sourceCropObj, gRectClassInfo.right);
203            int bottom = env->GetIntField(sourceCropObj, gRectClassInfo.bottom);
204            Rect sourceCrop(left, top, right, bottom);
205
206            if (allLayers) {
207                minLayer = 0;
208                maxLayer = -1;
209            }
210            ScreenshotClient::capture(displayToken,
211                    consumer->getIGraphicBufferProducer(), sourceCrop,
212                    width, height, uint32_t(minLayer), uint32_t(maxLayer),
213                    useIdentityTransform);
214        }
215    }
216}
217
218static void nativeOpenTransaction(JNIEnv* env, jclass clazz) {
219    SurfaceComposerClient::openGlobalTransaction();
220}
221
222static void nativeCloseTransaction(JNIEnv* env, jclass clazz) {
223    SurfaceComposerClient::closeGlobalTransaction();
224}
225
226static void nativeSetAnimationTransaction(JNIEnv* env, jclass clazz) {
227    SurfaceComposerClient::setAnimationTransaction();
228}
229
230static void nativeSetLayer(JNIEnv* env, jclass clazz, jlong nativeObject, jint zorder) {
231    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
232    status_t err = ctrl->setLayer(zorder);
233    if (err < 0 && err != NO_INIT) {
234        doThrowIAE(env);
235    }
236}
237
238static void nativeSetPosition(JNIEnv* env, jclass clazz, jlong nativeObject, jfloat x, jfloat y) {
239    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
240    status_t err = ctrl->setPosition(x, y);
241    if (err < 0 && err != NO_INIT) {
242        doThrowIAE(env);
243    }
244}
245
246static void nativeSetSize(JNIEnv* env, jclass clazz, jlong nativeObject, jint w, jint h) {
247    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
248    status_t err = ctrl->setSize(w, h);
249    if (err < 0 && err != NO_INIT) {
250        doThrowIAE(env);
251    }
252}
253
254static void nativeSetFlags(JNIEnv* env, jclass clazz, jlong nativeObject, jint flags, jint mask) {
255    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
256    status_t err = ctrl->setFlags(flags, mask);
257    if (err < 0 && err != NO_INIT) {
258        doThrowIAE(env);
259    }
260}
261
262static void nativeSetTransparentRegionHint(JNIEnv* env, jclass clazz, jlong nativeObject, jobject regionObj) {
263    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
264    SkRegion* region = android_graphics_Region_getSkRegion(env, regionObj);
265    if (!region) {
266        doThrowIAE(env);
267        return;
268    }
269
270    const SkIRect& b(region->getBounds());
271    Region reg(Rect(b.fLeft, b.fTop, b.fRight, b.fBottom));
272    if (region->isComplex()) {
273        SkRegion::Iterator it(*region);
274        while (!it.done()) {
275            const SkIRect& r(it.rect());
276            reg.addRectUnchecked(r.fLeft, r.fTop, r.fRight, r.fBottom);
277            it.next();
278        }
279    }
280
281    status_t err = ctrl->setTransparentRegionHint(reg);
282    if (err < 0 && err != NO_INIT) {
283        doThrowIAE(env);
284    }
285}
286
287static void nativeSetAlpha(JNIEnv* env, jclass clazz, jlong nativeObject, jfloat alpha) {
288    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
289    status_t err = ctrl->setAlpha(alpha);
290    if (err < 0 && err != NO_INIT) {
291        doThrowIAE(env);
292    }
293}
294
295static void nativeSetMatrix(JNIEnv* env, jclass clazz, jlong nativeObject,
296        jfloat dsdx, jfloat dtdx, jfloat dsdy, jfloat dtdy) {
297    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
298    status_t err = ctrl->setMatrix(dsdx, dtdx, dsdy, dtdy);
299    if (err < 0 && err != NO_INIT) {
300        doThrowIAE(env);
301    }
302}
303
304static void nativeSetWindowCrop(JNIEnv* env, jclass clazz, jlong nativeObject,
305        jint l, jint t, jint r, jint b) {
306    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
307    Rect crop(l, t, r, b);
308    status_t err = ctrl->setCrop(crop);
309    if (err < 0 && err != NO_INIT) {
310        doThrowIAE(env);
311    }
312}
313
314static void nativeSetLayerStack(JNIEnv* env, jclass clazz, jlong nativeObject, jint layerStack) {
315    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
316    status_t err = ctrl->setLayerStack(layerStack);
317    if (err < 0 && err != NO_INIT) {
318        doThrowIAE(env);
319    }
320}
321
322static jobject nativeGetBuiltInDisplay(JNIEnv* env, jclass clazz, jint id) {
323    sp<IBinder> token(SurfaceComposerClient::getBuiltInDisplay(id));
324    return javaObjectForIBinder(env, token);
325}
326
327static jobject nativeCreateDisplay(JNIEnv* env, jclass clazz, jstring nameObj,
328        jboolean secure) {
329    ScopedUtfChars name(env, nameObj);
330    sp<IBinder> token(SurfaceComposerClient::createDisplay(
331            String8(name.c_str()), bool(secure)));
332    return javaObjectForIBinder(env, token);
333}
334
335static void nativeDestroyDisplay(JNIEnv* env, jclass clazz, jobject tokenObj) {
336    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
337    if (token == NULL) return;
338    SurfaceComposerClient::destroyDisplay(token);
339}
340
341static void nativeSetDisplaySurface(JNIEnv* env, jclass clazz,
342        jobject tokenObj, jlong nativeSurfaceObject) {
343    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
344    if (token == NULL) return;
345    sp<IGraphicBufferProducer> bufferProducer;
346    sp<Surface> sur(reinterpret_cast<Surface *>(nativeSurfaceObject));
347    if (sur != NULL) {
348        bufferProducer = sur->getIGraphicBufferProducer();
349    }
350    SurfaceComposerClient::setDisplaySurface(token, bufferProducer);
351}
352
353static void nativeSetDisplayLayerStack(JNIEnv* env, jclass clazz,
354        jobject tokenObj, jint layerStack) {
355    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
356    if (token == NULL) return;
357
358    SurfaceComposerClient::setDisplayLayerStack(token, layerStack);
359}
360
361static void nativeSetDisplayProjection(JNIEnv* env, jclass clazz,
362        jobject tokenObj, jint orientation,
363        jint layerStackRect_left, jint layerStackRect_top, jint layerStackRect_right, jint layerStackRect_bottom,
364        jint displayRect_left, jint displayRect_top, jint displayRect_right, jint displayRect_bottom) {
365    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
366    if (token == NULL) return;
367    Rect layerStackRect(layerStackRect_left, layerStackRect_top, layerStackRect_right, layerStackRect_bottom);
368    Rect displayRect(displayRect_left, displayRect_top, displayRect_right, displayRect_bottom);
369    SurfaceComposerClient::setDisplayProjection(token, orientation, layerStackRect, displayRect);
370}
371
372static jobjectArray nativeGetDisplayConfigs(JNIEnv* env, jclass clazz,
373        jobject tokenObj) {
374    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
375    if (token == NULL) return NULL;
376
377    Vector<DisplayInfo> configs;
378    if (SurfaceComposerClient::getDisplayConfigs(token, &configs) != NO_ERROR ||
379            configs.size() == 0) {
380        return NULL;
381    }
382
383    jobjectArray configArray = env->NewObjectArray(configs.size(),
384            gPhysicalDisplayInfoClassInfo.clazz, NULL);
385
386    for (size_t c = 0; c < configs.size(); ++c) {
387        const DisplayInfo& info = configs[c];
388        jobject infoObj = env->NewObject(gPhysicalDisplayInfoClassInfo.clazz,
389                gPhysicalDisplayInfoClassInfo.ctor);
390        env->SetIntField(infoObj, gPhysicalDisplayInfoClassInfo.width, info.w);
391        env->SetIntField(infoObj, gPhysicalDisplayInfoClassInfo.height, info.h);
392        env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.refreshRate, info.fps);
393        env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.density, info.density);
394        env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.xDpi, info.xdpi);
395        env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.yDpi, info.ydpi);
396        env->SetBooleanField(infoObj, gPhysicalDisplayInfoClassInfo.secure, info.secure);
397        env->SetLongField(infoObj, gPhysicalDisplayInfoClassInfo.appVsyncOffsetNanos,
398                info.appVsyncOffset);
399        env->SetLongField(infoObj, gPhysicalDisplayInfoClassInfo.presentationDeadlineNanos,
400                info.presentationDeadline);
401        env->SetObjectArrayElement(configArray, static_cast<jsize>(c), infoObj);
402        env->DeleteLocalRef(infoObj);
403    }
404
405    return configArray;
406}
407
408static jint nativeGetActiveConfig(JNIEnv* env, jclass clazz, jobject tokenObj) {
409    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
410    if (token == NULL) return -1;
411    return static_cast<jint>(SurfaceComposerClient::getActiveConfig(token));
412}
413
414static jboolean nativeSetActiveConfig(JNIEnv* env, jclass clazz, jobject tokenObj, jint id) {
415    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
416    if (token == NULL) return JNI_FALSE;
417    status_t err = SurfaceComposerClient::setActiveConfig(token, static_cast<int>(id));
418    return err == NO_ERROR ? JNI_TRUE : JNI_FALSE;
419}
420
421static void nativeSetDisplayPowerMode(JNIEnv* env, jclass clazz, jobject tokenObj, jint mode) {
422    sp<IBinder> token(ibinderForJavaObject(env, tokenObj));
423    if (token == NULL) return;
424
425    ALOGD_IF_SLOW(100, "Excessive delay in setPowerMode()");
426    SurfaceComposerClient::setDisplayPowerMode(token, mode);
427}
428
429static jboolean nativeClearContentFrameStats(JNIEnv* env, jclass clazz, jlong nativeObject) {
430    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
431    status_t err = ctrl->clearLayerFrameStats();
432
433    if (err < 0 && err != NO_INIT) {
434        doThrowIAE(env);
435    }
436
437    // The other end is not ready, just report we failed.
438    if (err == NO_INIT) {
439        return JNI_FALSE;
440    }
441
442    return JNI_TRUE;
443}
444
445static jboolean nativeGetContentFrameStats(JNIEnv* env, jclass clazz, jlong nativeObject,
446    jobject outStats) {
447    FrameStats stats;
448
449    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
450    status_t err = ctrl->getLayerFrameStats(&stats);
451    if (err < 0 && err != NO_INIT) {
452        doThrowIAE(env);
453    }
454
455    // The other end is not ready, fine just return empty stats.
456    if (err == NO_INIT) {
457        return JNI_FALSE;
458    }
459
460    jlong refreshPeriodNano = static_cast<jlong>(stats.refreshPeriodNano);
461    size_t frameCount = stats.desiredPresentTimesNano.size();
462
463    jlongArray postedTimesNanoDst = env->NewLongArray(frameCount);
464    if (postedTimesNanoDst == NULL) {
465        return JNI_FALSE;
466    }
467
468    jlongArray presentedTimesNanoDst = env->NewLongArray(frameCount);
469    if (presentedTimesNanoDst == NULL) {
470        return JNI_FALSE;
471    }
472
473    jlongArray readyTimesNanoDst = env->NewLongArray(frameCount);
474    if (readyTimesNanoDst == NULL) {
475        return JNI_FALSE;
476    }
477
478    nsecs_t postedTimesNanoSrc[frameCount];
479    nsecs_t presentedTimesNanoSrc[frameCount];
480    nsecs_t readyTimesNanoSrc[frameCount];
481
482    for (size_t i = 0; i < frameCount; i++) {
483        nsecs_t postedTimeNano = stats.desiredPresentTimesNano[i];
484        if (postedTimeNano == INT64_MAX) {
485            postedTimeNano = gWindowContentFrameStatsClassInfo.UNDEFINED_TIME_NANO;
486        }
487        postedTimesNanoSrc[i] = postedTimeNano;
488
489        nsecs_t presentedTimeNano = stats.actualPresentTimesNano[i];
490        if (presentedTimeNano == INT64_MAX) {
491            presentedTimeNano = gWindowContentFrameStatsClassInfo.UNDEFINED_TIME_NANO;
492        }
493        presentedTimesNanoSrc[i] = presentedTimeNano;
494
495        nsecs_t readyTimeNano = stats.frameReadyTimesNano[i];
496        if (readyTimeNano == INT64_MAX) {
497            readyTimeNano = gWindowContentFrameStatsClassInfo.UNDEFINED_TIME_NANO;
498        }
499        readyTimesNanoSrc[i] = readyTimeNano;
500    }
501
502    env->SetLongArrayRegion(postedTimesNanoDst, 0, frameCount, postedTimesNanoSrc);
503    env->SetLongArrayRegion(presentedTimesNanoDst, 0, frameCount, presentedTimesNanoSrc);
504    env->SetLongArrayRegion(readyTimesNanoDst, 0, frameCount, readyTimesNanoSrc);
505
506    env->CallVoidMethod(outStats, gWindowContentFrameStatsClassInfo.init, refreshPeriodNano,
507            postedTimesNanoDst, presentedTimesNanoDst, readyTimesNanoDst);
508
509    if (env->ExceptionCheck()) {
510        return JNI_FALSE;
511    }
512
513    return JNI_TRUE;
514}
515
516static jboolean nativeClearAnimationFrameStats(JNIEnv* env, jclass clazz) {
517    status_t err = SurfaceComposerClient::clearAnimationFrameStats();
518
519    if (err < 0 && err != NO_INIT) {
520        doThrowIAE(env);
521    }
522
523    // The other end is not ready, just report we failed.
524    if (err == NO_INIT) {
525        return JNI_FALSE;
526    }
527
528    return JNI_TRUE;
529}
530
531static jboolean nativeGetAnimationFrameStats(JNIEnv* env, jclass clazz, jobject outStats) {
532    FrameStats stats;
533
534    status_t err = SurfaceComposerClient::getAnimationFrameStats(&stats);
535    if (err < 0 && err != NO_INIT) {
536        doThrowIAE(env);
537    }
538
539    // The other end is not ready, fine just return empty stats.
540    if (err == NO_INIT) {
541        return JNI_FALSE;
542    }
543
544    jlong refreshPeriodNano = static_cast<jlong>(stats.refreshPeriodNano);
545    size_t frameCount = stats.desiredPresentTimesNano.size();
546
547    jlongArray presentedTimesNanoDst = env->NewLongArray(frameCount);
548    if (presentedTimesNanoDst == NULL) {
549        return JNI_FALSE;
550    }
551
552    nsecs_t presentedTimesNanoSrc[frameCount];
553
554    for (size_t i = 0; i < frameCount; i++) {
555        nsecs_t presentedTimeNano = stats.actualPresentTimesNano[i];
556        if (presentedTimeNano == INT64_MAX) {
557            presentedTimeNano = gWindowContentFrameStatsClassInfo.UNDEFINED_TIME_NANO;
558        }
559        presentedTimesNanoSrc[i] = presentedTimeNano;
560    }
561
562    env->SetLongArrayRegion(presentedTimesNanoDst, 0, frameCount, presentedTimesNanoSrc);
563
564    env->CallVoidMethod(outStats, gWindowAnimationFrameStatsClassInfo.init, refreshPeriodNano,
565            presentedTimesNanoDst);
566
567    if (env->ExceptionCheck()) {
568        return JNI_FALSE;
569    }
570
571    return JNI_TRUE;
572}
573
574// ----------------------------------------------------------------------------
575
576static JNINativeMethod sSurfaceControlMethods[] = {
577    {"nativeCreate", "(Landroid/view/SurfaceSession;Ljava/lang/String;IIII)J",
578            (void*)nativeCreate },
579    {"nativeRelease", "(J)V",
580            (void*)nativeRelease },
581    {"nativeDestroy", "(J)V",
582            (void*)nativeDestroy },
583    {"nativeScreenshot", "(Landroid/os/IBinder;Landroid/graphics/Rect;IIIIZZ)Landroid/graphics/Bitmap;",
584            (void*)nativeScreenshotBitmap },
585    {"nativeScreenshot", "(Landroid/os/IBinder;Landroid/view/Surface;Landroid/graphics/Rect;IIIIZZ)V",
586            (void*)nativeScreenshot },
587    {"nativeOpenTransaction", "()V",
588            (void*)nativeOpenTransaction },
589    {"nativeCloseTransaction", "()V",
590            (void*)nativeCloseTransaction },
591    {"nativeSetAnimationTransaction", "()V",
592            (void*)nativeSetAnimationTransaction },
593    {"nativeSetLayer", "(JI)V",
594            (void*)nativeSetLayer },
595    {"nativeSetPosition", "(JFF)V",
596            (void*)nativeSetPosition },
597    {"nativeSetSize", "(JII)V",
598            (void*)nativeSetSize },
599    {"nativeSetTransparentRegionHint", "(JLandroid/graphics/Region;)V",
600            (void*)nativeSetTransparentRegionHint },
601    {"nativeSetAlpha", "(JF)V",
602            (void*)nativeSetAlpha },
603    {"nativeSetMatrix", "(JFFFF)V",
604            (void*)nativeSetMatrix },
605    {"nativeSetFlags", "(JII)V",
606            (void*)nativeSetFlags },
607    {"nativeSetWindowCrop", "(JIIII)V",
608            (void*)nativeSetWindowCrop },
609    {"nativeSetLayerStack", "(JI)V",
610            (void*)nativeSetLayerStack },
611    {"nativeGetBuiltInDisplay", "(I)Landroid/os/IBinder;",
612            (void*)nativeGetBuiltInDisplay },
613    {"nativeCreateDisplay", "(Ljava/lang/String;Z)Landroid/os/IBinder;",
614            (void*)nativeCreateDisplay },
615    {"nativeDestroyDisplay", "(Landroid/os/IBinder;)V",
616            (void*)nativeDestroyDisplay },
617    {"nativeSetDisplaySurface", "(Landroid/os/IBinder;J)V",
618            (void*)nativeSetDisplaySurface },
619    {"nativeSetDisplayLayerStack", "(Landroid/os/IBinder;I)V",
620            (void*)nativeSetDisplayLayerStack },
621    {"nativeSetDisplayProjection", "(Landroid/os/IBinder;IIIIIIIII)V",
622            (void*)nativeSetDisplayProjection },
623    {"nativeGetDisplayConfigs", "(Landroid/os/IBinder;)[Landroid/view/SurfaceControl$PhysicalDisplayInfo;",
624            (void*)nativeGetDisplayConfigs },
625    {"nativeGetActiveConfig", "(Landroid/os/IBinder;)I",
626            (void*)nativeGetActiveConfig },
627    {"nativeSetActiveConfig", "(Landroid/os/IBinder;I)Z",
628            (void*)nativeSetActiveConfig },
629    {"nativeClearContentFrameStats", "(J)Z",
630            (void*)nativeClearContentFrameStats },
631    {"nativeGetContentFrameStats", "(JLandroid/view/WindowContentFrameStats;)Z",
632            (void*)nativeGetContentFrameStats },
633    {"nativeClearAnimationFrameStats", "()Z",
634            (void*)nativeClearAnimationFrameStats },
635    {"nativeGetAnimationFrameStats", "(Landroid/view/WindowAnimationFrameStats;)Z",
636            (void*)nativeGetAnimationFrameStats },
637    {"nativeSetDisplayPowerMode", "(Landroid/os/IBinder;I)V",
638            (void*)nativeSetDisplayPowerMode },
639};
640
641int register_android_view_SurfaceControl(JNIEnv* env)
642{
643    int err = AndroidRuntime::registerNativeMethods(env, "android/view/SurfaceControl",
644            sSurfaceControlMethods, NELEM(sSurfaceControlMethods));
645
646    jclass clazz = env->FindClass("android/view/SurfaceControl$PhysicalDisplayInfo");
647    gPhysicalDisplayInfoClassInfo.clazz = static_cast<jclass>(env->NewGlobalRef(clazz));
648    gPhysicalDisplayInfoClassInfo.ctor = env->GetMethodID(gPhysicalDisplayInfoClassInfo.clazz,
649            "<init>", "()V");
650    gPhysicalDisplayInfoClassInfo.width = env->GetFieldID(clazz, "width", "I");
651    gPhysicalDisplayInfoClassInfo.height = env->GetFieldID(clazz, "height", "I");
652    gPhysicalDisplayInfoClassInfo.refreshRate = env->GetFieldID(clazz, "refreshRate", "F");
653    gPhysicalDisplayInfoClassInfo.density = env->GetFieldID(clazz, "density", "F");
654    gPhysicalDisplayInfoClassInfo.xDpi = env->GetFieldID(clazz, "xDpi", "F");
655    gPhysicalDisplayInfoClassInfo.yDpi = env->GetFieldID(clazz, "yDpi", "F");
656    gPhysicalDisplayInfoClassInfo.secure = env->GetFieldID(clazz, "secure", "Z");
657    gPhysicalDisplayInfoClassInfo.appVsyncOffsetNanos = env->GetFieldID(clazz,
658            "appVsyncOffsetNanos", "J");
659    gPhysicalDisplayInfoClassInfo.presentationDeadlineNanos = env->GetFieldID(clazz,
660            "presentationDeadlineNanos", "J");
661
662    jclass rectClazz = env->FindClass("android/graphics/Rect");
663    gRectClassInfo.bottom = env->GetFieldID(rectClazz, "bottom", "I");
664    gRectClassInfo.left = env->GetFieldID(rectClazz, "left", "I");
665    gRectClassInfo.right = env->GetFieldID(rectClazz, "right", "I");
666    gRectClassInfo.top = env->GetFieldID(rectClazz, "top", "I");
667
668    jclass frameStatsClazz = env->FindClass("android/view/FrameStats");
669    jfieldID undefined_time_nano_field =  env->GetStaticFieldID(frameStatsClazz, "UNDEFINED_TIME_NANO", "J");
670    nsecs_t undefined_time_nano = env->GetStaticLongField(frameStatsClazz, undefined_time_nano_field);
671
672    jclass contFrameStatsClazz = env->FindClass("android/view/WindowContentFrameStats");
673    gWindowContentFrameStatsClassInfo.init =  env->GetMethodID(contFrameStatsClazz, "init", "(J[J[J[J)V");
674    gWindowContentFrameStatsClassInfo.UNDEFINED_TIME_NANO = undefined_time_nano;
675
676    jclass animFrameStatsClazz = env->FindClass("android/view/WindowAnimationFrameStats");
677    gWindowAnimationFrameStatsClassInfo.init =  env->GetMethodID(animFrameStatsClazz, "init", "(J[J)V");
678    gWindowAnimationFrameStatsClassInfo.UNDEFINED_TIME_NANO = undefined_time_nano;
679
680    return err;
681}
682
683};
684