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 #define LOG_TAG "BootAnimation"
18
19 #include <stdint.h>
20 #include <sys/types.h>
21 #include <math.h>
22 #include <fcntl.h>
23 #include <utils/misc.h>
24 #include <signal.h>
25
26 #include <cutils/properties.h>
27
28 #include <androidfw/AssetManager.h>
29 #include <binder/IPCThreadState.h>
30 #include <utils/Atomic.h>
31 #include <utils/Errors.h>
32 #include <utils/Log.h>
33 #include <utils/threads.h>
34
35 #include <ui/PixelFormat.h>
36 #include <ui/Rect.h>
37 #include <ui/Region.h>
38 #include <ui/DisplayInfo.h>
39 #include <ui/FramebufferNativeWindow.h>
40
41 #include <gui/Surface.h>
42 #include <gui/SurfaceComposerClient.h>
43
44 #include <core/SkBitmap.h>
45 #include <core/SkStream.h>
46 #include <images/SkImageDecoder.h>
47
48 #include <GLES/gl.h>
49 #include <GLES/glext.h>
50 #include <EGL/eglext.h>
51
52 #include "BootAnimation.h"
53
54 #define USER_BOOTANIMATION_FILE "/data/local/bootanimation.zip"
55 #define SYSTEM_BOOTANIMATION_FILE "/system/media/bootanimation.zip"
56 #define SYSTEM_ENCRYPTED_BOOTANIMATION_FILE "/system/media/bootanimation-encrypted.zip"
57 #define EXIT_PROP_NAME "service.bootanim.exit"
58
59 extern "C" int clock_nanosleep(clockid_t clock_id, int flags,
60 const struct timespec *request,
61 struct timespec *remain);
62
63 namespace android {
64
65 // ---------------------------------------------------------------------------
66
BootAnimation()67 BootAnimation::BootAnimation() : Thread(false)
68 {
69 mSession = new SurfaceComposerClient();
70 }
71
~BootAnimation()72 BootAnimation::~BootAnimation() {
73 }
74
onFirstRef()75 void BootAnimation::onFirstRef() {
76 status_t err = mSession->linkToComposerDeath(this);
77 ALOGE_IF(err, "linkToComposerDeath failed (%s) ", strerror(-err));
78 if (err == NO_ERROR) {
79 run("BootAnimation", PRIORITY_DISPLAY);
80 }
81 }
82
session() const83 sp<SurfaceComposerClient> BootAnimation::session() const {
84 return mSession;
85 }
86
87
binderDied(const wp<IBinder> & who)88 void BootAnimation::binderDied(const wp<IBinder>& who)
89 {
90 // woah, surfaceflinger died!
91 ALOGD("SurfaceFlinger died, exiting...");
92
93 // calling requestExit() is not enough here because the Surface code
94 // might be blocked on a condition variable that will never be updated.
95 kill( getpid(), SIGKILL );
96 requestExit();
97 }
98
initTexture(Texture * texture,AssetManager & assets,const char * name)99 status_t BootAnimation::initTexture(Texture* texture, AssetManager& assets,
100 const char* name) {
101 Asset* asset = assets.open(name, Asset::ACCESS_BUFFER);
102 if (!asset)
103 return NO_INIT;
104 SkBitmap bitmap;
105 SkImageDecoder::DecodeMemory(asset->getBuffer(false), asset->getLength(),
106 &bitmap, SkBitmap::kNo_Config, SkImageDecoder::kDecodePixels_Mode);
107 asset->close();
108 delete asset;
109
110 // ensure we can call getPixels(). No need to call unlock, since the
111 // bitmap will go out of scope when we return from this method.
112 bitmap.lockPixels();
113
114 const int w = bitmap.width();
115 const int h = bitmap.height();
116 const void* p = bitmap.getPixels();
117
118 GLint crop[4] = { 0, h, w, -h };
119 texture->w = w;
120 texture->h = h;
121
122 glGenTextures(1, &texture->name);
123 glBindTexture(GL_TEXTURE_2D, texture->name);
124
125 switch (bitmap.getConfig()) {
126 case SkBitmap::kA8_Config:
127 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA,
128 GL_UNSIGNED_BYTE, p);
129 break;
130 case SkBitmap::kARGB_4444_Config:
131 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
132 GL_UNSIGNED_SHORT_4_4_4_4, p);
133 break;
134 case SkBitmap::kARGB_8888_Config:
135 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
136 GL_UNSIGNED_BYTE, p);
137 break;
138 case SkBitmap::kRGB_565_Config:
139 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB,
140 GL_UNSIGNED_SHORT_5_6_5, p);
141 break;
142 default:
143 break;
144 }
145
146 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
147 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
148 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
149 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
150 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
151 return NO_ERROR;
152 }
153
initTexture(void * buffer,size_t len)154 status_t BootAnimation::initTexture(void* buffer, size_t len)
155 {
156 //StopWatch watch("blah");
157
158 SkBitmap bitmap;
159 SkMemoryStream stream(buffer, len);
160 SkImageDecoder* codec = SkImageDecoder::Factory(&stream);
161 codec->setDitherImage(false);
162 if (codec) {
163 codec->decode(&stream, &bitmap,
164 SkBitmap::kARGB_8888_Config,
165 SkImageDecoder::kDecodePixels_Mode);
166 delete codec;
167 }
168
169 // ensure we can call getPixels(). No need to call unlock, since the
170 // bitmap will go out of scope when we return from this method.
171 bitmap.lockPixels();
172
173 const int w = bitmap.width();
174 const int h = bitmap.height();
175 const void* p = bitmap.getPixels();
176
177 GLint crop[4] = { 0, h, w, -h };
178 int tw = 1 << (31 - __builtin_clz(w));
179 int th = 1 << (31 - __builtin_clz(h));
180 if (tw < w) tw <<= 1;
181 if (th < h) th <<= 1;
182
183 switch (bitmap.getConfig()) {
184 case SkBitmap::kARGB_8888_Config:
185 if (tw != w || th != h) {
186 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA,
187 GL_UNSIGNED_BYTE, 0);
188 glTexSubImage2D(GL_TEXTURE_2D, 0,
189 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, p);
190 } else {
191 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA,
192 GL_UNSIGNED_BYTE, p);
193 }
194 break;
195
196 case SkBitmap::kRGB_565_Config:
197 if (tw != w || th != h) {
198 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB,
199 GL_UNSIGNED_SHORT_5_6_5, 0);
200 glTexSubImage2D(GL_TEXTURE_2D, 0,
201 0, 0, w, h, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, p);
202 } else {
203 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB,
204 GL_UNSIGNED_SHORT_5_6_5, p);
205 }
206 break;
207 default:
208 break;
209 }
210
211 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
212
213 return NO_ERROR;
214 }
215
readyToRun()216 status_t BootAnimation::readyToRun() {
217 mAssets.addDefaultAssets();
218
219 DisplayInfo dinfo;
220 status_t status = session()->getDisplayInfo(0, &dinfo);
221 if (status)
222 return -1;
223
224 // create the native surface
225 sp<SurfaceControl> control = session()->createSurface(
226 0, dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565);
227
228 SurfaceComposerClient::openGlobalTransaction();
229 control->setLayer(0x40000000);
230 SurfaceComposerClient::closeGlobalTransaction();
231
232 sp<Surface> s = control->getSurface();
233
234 // initialize opengl and egl
235 const EGLint attribs[] = {
236 EGL_RED_SIZE, 8,
237 EGL_GREEN_SIZE, 8,
238 EGL_BLUE_SIZE, 8,
239 EGL_DEPTH_SIZE, 0,
240 EGL_NONE
241 };
242 EGLint w, h, dummy;
243 EGLint numConfigs;
244 EGLConfig config;
245 EGLSurface surface;
246 EGLContext context;
247
248 EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
249
250 eglInitialize(display, 0, 0);
251 eglChooseConfig(display, attribs, &config, 1, &numConfigs);
252 surface = eglCreateWindowSurface(display, config, s.get(), NULL);
253 context = eglCreateContext(display, config, NULL, NULL);
254 eglQuerySurface(display, surface, EGL_WIDTH, &w);
255 eglQuerySurface(display, surface, EGL_HEIGHT, &h);
256
257 if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE)
258 return NO_INIT;
259
260 mDisplay = display;
261 mContext = context;
262 mSurface = surface;
263 mWidth = w;
264 mHeight = h;
265 mFlingerSurfaceControl = control;
266 mFlingerSurface = s;
267
268 mAndroidAnimation = true;
269
270 // If the device has encryption turned on or is in process
271 // of being encrypted we show the encrypted boot animation.
272 char decrypt[PROPERTY_VALUE_MAX];
273 property_get("vold.decrypt", decrypt, "");
274
275 bool encryptedAnimation = atoi(decrypt) != 0 || !strcmp("trigger_restart_min_framework", decrypt);
276
277 if ((encryptedAnimation &&
278 (access(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE, R_OK) == 0) &&
279 (mZip.open(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE) == NO_ERROR)) ||
280
281 ((access(USER_BOOTANIMATION_FILE, R_OK) == 0) &&
282 (mZip.open(USER_BOOTANIMATION_FILE) == NO_ERROR)) ||
283
284 ((access(SYSTEM_BOOTANIMATION_FILE, R_OK) == 0) &&
285 (mZip.open(SYSTEM_BOOTANIMATION_FILE) == NO_ERROR))) {
286 mAndroidAnimation = false;
287 }
288
289 return NO_ERROR;
290 }
291
threadLoop()292 bool BootAnimation::threadLoop()
293 {
294 bool r;
295 if (mAndroidAnimation) {
296 r = android();
297 } else {
298 r = movie();
299 }
300
301 // No need to force exit anymore
302 property_set(EXIT_PROP_NAME, "0");
303
304 eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
305 eglDestroyContext(mDisplay, mContext);
306 eglDestroySurface(mDisplay, mSurface);
307 mFlingerSurface.clear();
308 mFlingerSurfaceControl.clear();
309 eglTerminate(mDisplay);
310 IPCThreadState::self()->stopProcess();
311 return r;
312 }
313
android()314 bool BootAnimation::android()
315 {
316 initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png");
317 initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png");
318
319 // clear screen
320 glShadeModel(GL_FLAT);
321 glDisable(GL_DITHER);
322 glDisable(GL_SCISSOR_TEST);
323 glClearColor(0,0,0,1);
324 glClear(GL_COLOR_BUFFER_BIT);
325 eglSwapBuffers(mDisplay, mSurface);
326
327 glEnable(GL_TEXTURE_2D);
328 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
329
330 const GLint xc = (mWidth - mAndroid[0].w) / 2;
331 const GLint yc = (mHeight - mAndroid[0].h) / 2;
332 const Rect updateRect(xc, yc, xc + mAndroid[0].w, yc + mAndroid[0].h);
333
334 glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(),
335 updateRect.height());
336
337 // Blend state
338 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
339 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
340
341 const nsecs_t startTime = systemTime();
342 do {
343 nsecs_t now = systemTime();
344 double time = now - startTime;
345 float t = 4.0f * float(time / us2ns(16667)) / mAndroid[1].w;
346 GLint offset = (1 - (t - floorf(t))) * mAndroid[1].w;
347 GLint x = xc - offset;
348
349 glDisable(GL_SCISSOR_TEST);
350 glClear(GL_COLOR_BUFFER_BIT);
351
352 glEnable(GL_SCISSOR_TEST);
353 glDisable(GL_BLEND);
354 glBindTexture(GL_TEXTURE_2D, mAndroid[1].name);
355 glDrawTexiOES(x, yc, 0, mAndroid[1].w, mAndroid[1].h);
356 glDrawTexiOES(x + mAndroid[1].w, yc, 0, mAndroid[1].w, mAndroid[1].h);
357
358 glEnable(GL_BLEND);
359 glBindTexture(GL_TEXTURE_2D, mAndroid[0].name);
360 glDrawTexiOES(xc, yc, 0, mAndroid[0].w, mAndroid[0].h);
361
362 EGLBoolean res = eglSwapBuffers(mDisplay, mSurface);
363 if (res == EGL_FALSE)
364 break;
365
366 // 12fps: don't animate too fast to preserve CPU
367 const nsecs_t sleepTime = 83333 - ns2us(systemTime() - now);
368 if (sleepTime > 0)
369 usleep(sleepTime);
370
371 checkExit();
372 } while (!exitPending());
373
374 glDeleteTextures(1, &mAndroid[0].name);
375 glDeleteTextures(1, &mAndroid[1].name);
376 return false;
377 }
378
379
checkExit()380 void BootAnimation::checkExit() {
381 // Allow surface flinger to gracefully request shutdown
382 char value[PROPERTY_VALUE_MAX];
383 property_get(EXIT_PROP_NAME, value, "0");
384 int exitnow = atoi(value);
385 if (exitnow) {
386 requestExit();
387 }
388 }
389
movie()390 bool BootAnimation::movie()
391 {
392 ZipFileRO& zip(mZip);
393
394 size_t numEntries = zip.getNumEntries();
395 ZipEntryRO desc = zip.findEntryByName("desc.txt");
396 FileMap* descMap = zip.createEntryFileMap(desc);
397 ALOGE_IF(!descMap, "descMap is null");
398 if (!descMap) {
399 return false;
400 }
401
402 String8 desString((char const*)descMap->getDataPtr(),
403 descMap->getDataLength());
404 char const* s = desString.string();
405
406 Animation animation;
407
408 // Parse the description file
409 for (;;) {
410 const char* endl = strstr(s, "\n");
411 if (!endl) break;
412 String8 line(s, endl - s);
413 const char* l = line.string();
414 int fps, width, height, count, pause;
415 char path[256];
416 char pathType;
417 if (sscanf(l, "%d %d %d", &width, &height, &fps) == 3) {
418 //LOGD("> w=%d, h=%d, fps=%d", width, height, fps);
419 animation.width = width;
420 animation.height = height;
421 animation.fps = fps;
422 }
423 else if (sscanf(l, " %c %d %d %s", &pathType, &count, &pause, path) == 4) {
424 //LOGD("> type=%c, count=%d, pause=%d, path=%s", pathType, count, pause, path);
425 Animation::Part part;
426 part.playUntilComplete = pathType == 'c';
427 part.count = count;
428 part.pause = pause;
429 part.path = path;
430 animation.parts.add(part);
431 }
432
433 s = ++endl;
434 }
435
436 // read all the data structures
437 const size_t pcount = animation.parts.size();
438 for (size_t i=0 ; i<numEntries ; i++) {
439 char name[256];
440 ZipEntryRO entry = zip.findEntryByIndex(i);
441 if (zip.getEntryFileName(entry, name, 256) == 0) {
442 const String8 entryName(name);
443 const String8 path(entryName.getPathDir());
444 const String8 leaf(entryName.getPathLeaf());
445 if (leaf.size() > 0) {
446 for (int j=0 ; j<pcount ; j++) {
447 if (path == animation.parts[j].path) {
448 int method;
449 // supports only stored png files
450 if (zip.getEntryInfo(entry, &method, 0, 0, 0, 0, 0)) {
451 if (method == ZipFileRO::kCompressStored) {
452 FileMap* map = zip.createEntryFileMap(entry);
453 if (map) {
454 Animation::Frame frame;
455 frame.name = leaf;
456 frame.map = map;
457 Animation::Part& part(animation.parts.editItemAt(j));
458 part.frames.add(frame);
459 }
460 }
461 }
462 }
463 }
464 }
465 }
466 }
467
468 // clear screen
469 glShadeModel(GL_FLAT);
470 glDisable(GL_DITHER);
471 glDisable(GL_SCISSOR_TEST);
472 glDisable(GL_BLEND);
473 glClearColor(0,0,0,1);
474 glClear(GL_COLOR_BUFFER_BIT);
475
476 eglSwapBuffers(mDisplay, mSurface);
477
478 glBindTexture(GL_TEXTURE_2D, 0);
479 glEnable(GL_TEXTURE_2D);
480 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
481 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
482 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
483 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
484 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
485
486 const int xc = (mWidth - animation.width) / 2;
487 const int yc = ((mHeight - animation.height) / 2);
488 nsecs_t lastFrame = systemTime();
489 nsecs_t frameDuration = s2ns(1) / animation.fps;
490
491 Region clearReg(Rect(mWidth, mHeight));
492 clearReg.subtractSelf(Rect(xc, yc, xc+animation.width, yc+animation.height));
493
494 for (int i=0 ; i<pcount ; i++) {
495 const Animation::Part& part(animation.parts[i]);
496 const size_t fcount = part.frames.size();
497 glBindTexture(GL_TEXTURE_2D, 0);
498
499 for (int r=0 ; !part.count || r<part.count ; r++) {
500 // Exit any non playuntil complete parts immediately
501 if(exitPending() && !part.playUntilComplete)
502 break;
503
504 for (int j=0 ; j<fcount && (!exitPending() || part.playUntilComplete) ; j++) {
505 const Animation::Frame& frame(part.frames[j]);
506 nsecs_t lastFrame = systemTime();
507
508 if (r > 0) {
509 glBindTexture(GL_TEXTURE_2D, frame.tid);
510 } else {
511 if (part.count != 1) {
512 glGenTextures(1, &frame.tid);
513 glBindTexture(GL_TEXTURE_2D, frame.tid);
514 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
515 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
516 }
517 initTexture(
518 frame.map->getDataPtr(),
519 frame.map->getDataLength());
520 }
521
522 if (!clearReg.isEmpty()) {
523 Region::const_iterator head(clearReg.begin());
524 Region::const_iterator tail(clearReg.end());
525 glEnable(GL_SCISSOR_TEST);
526 while (head != tail) {
527 const Rect& r(*head++);
528 glScissor(r.left, mHeight - r.bottom,
529 r.width(), r.height());
530 glClear(GL_COLOR_BUFFER_BIT);
531 }
532 glDisable(GL_SCISSOR_TEST);
533 }
534 glDrawTexiOES(xc, yc, 0, animation.width, animation.height);
535 eglSwapBuffers(mDisplay, mSurface);
536
537 nsecs_t now = systemTime();
538 nsecs_t delay = frameDuration - (now - lastFrame);
539 //ALOGD("%lld, %lld", ns2ms(now - lastFrame), ns2ms(delay));
540 lastFrame = now;
541
542 if (delay > 0) {
543 struct timespec spec;
544 spec.tv_sec = (now + delay) / 1000000000;
545 spec.tv_nsec = (now + delay) % 1000000000;
546 int err;
547 do {
548 err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, NULL);
549 } while (err<0 && errno == EINTR);
550 }
551
552 checkExit();
553 }
554
555 usleep(part.pause * ns2us(frameDuration));
556
557 // For infinite parts, we've now played them at least once, so perhaps exit
558 if(exitPending() && !part.count)
559 break;
560 }
561
562 // free the textures for this part
563 if (part.count != 1) {
564 for (int j=0 ; j<fcount ; j++) {
565 const Animation::Frame& frame(part.frames[j]);
566 glDeleteTextures(1, &frame.tid);
567 }
568 }
569 }
570
571 return false;
572 }
573
574 // ---------------------------------------------------------------------------
575
576 }
577 ; // namespace android
578