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_NDEBUG 0
18 #define LOG_TAG "BootAnimation"
19
20 #include <stdint.h>
21 #include <sys/types.h>
22 #include <math.h>
23 #include <fcntl.h>
24 #include <utils/misc.h>
25 #include <signal.h>
26
27 #include <cutils/properties.h>
28
29 #include <androidfw/AssetManager.h>
30 #include <binder/IPCThreadState.h>
31 #include <utils/Atomic.h>
32 #include <utils/Errors.h>
33 #include <utils/Log.h>
34
35 #include <ui/PixelFormat.h>
36 #include <ui/Rect.h>
37 #include <ui/Region.h>
38 #include <ui/DisplayInfo.h>
39
40 #include <gui/ISurfaceComposer.h>
41 #include <gui/Surface.h>
42 #include <gui/SurfaceComposerClient.h>
43
44 #include <SkBitmap.h>
45 #include <SkStream.h>
46 #include <SkImageDecoder.h>
47
48 #include <GLES/gl.h>
49 #include <GLES/glext.h>
50 #include <EGL/eglext.h>
51
52 #include "BootAnimation.h"
53 #include "AudioPlayer.h"
54
55 #define OEM_BOOTANIMATION_FILE "/oem/media/bootanimation.zip"
56 #define SYSTEM_BOOTANIMATION_FILE "/system/media/bootanimation.zip"
57 #define SYSTEM_ENCRYPTED_BOOTANIMATION_FILE "/system/media/bootanimation-encrypted.zip"
58 #define EXIT_PROP_NAME "service.bootanim.exit"
59
60 extern "C" int clock_nanosleep(clockid_t clock_id, int flags,
61 const struct timespec *request,
62 struct timespec *remain);
63
64 namespace android {
65
66 static const int ANIM_ENTRY_NAME_MAX = 256;
67
68 // ---------------------------------------------------------------------------
69
BootAnimation()70 BootAnimation::BootAnimation() : Thread(false), mZip(NULL)
71 {
72 mSession = new SurfaceComposerClient();
73 }
74
~BootAnimation()75 BootAnimation::~BootAnimation() {
76 if (mZip != NULL) {
77 delete mZip;
78 }
79 }
80
onFirstRef()81 void BootAnimation::onFirstRef() {
82 status_t err = mSession->linkToComposerDeath(this);
83 ALOGE_IF(err, "linkToComposerDeath failed (%s) ", strerror(-err));
84 if (err == NO_ERROR) {
85 run("BootAnimation", PRIORITY_DISPLAY);
86 }
87 }
88
session() const89 sp<SurfaceComposerClient> BootAnimation::session() const {
90 return mSession;
91 }
92
93
binderDied(const wp<IBinder> &)94 void BootAnimation::binderDied(const wp<IBinder>&)
95 {
96 // woah, surfaceflinger died!
97 ALOGD("SurfaceFlinger died, exiting...");
98
99 // calling requestExit() is not enough here because the Surface code
100 // might be blocked on a condition variable that will never be updated.
101 kill( getpid(), SIGKILL );
102 requestExit();
103 if (mAudioPlayer != NULL) {
104 mAudioPlayer->requestExit();
105 }
106 }
107
initTexture(Texture * texture,AssetManager & assets,const char * name)108 status_t BootAnimation::initTexture(Texture* texture, AssetManager& assets,
109 const char* name) {
110 Asset* asset = assets.open(name, Asset::ACCESS_BUFFER);
111 if (!asset)
112 return NO_INIT;
113 SkBitmap bitmap;
114 SkImageDecoder::DecodeMemory(asset->getBuffer(false), asset->getLength(),
115 &bitmap, kUnknown_SkColorType, SkImageDecoder::kDecodePixels_Mode);
116 asset->close();
117 delete asset;
118
119 // ensure we can call getPixels(). No need to call unlock, since the
120 // bitmap will go out of scope when we return from this method.
121 bitmap.lockPixels();
122
123 const int w = bitmap.width();
124 const int h = bitmap.height();
125 const void* p = bitmap.getPixels();
126
127 GLint crop[4] = { 0, h, w, -h };
128 texture->w = w;
129 texture->h = h;
130
131 glGenTextures(1, &texture->name);
132 glBindTexture(GL_TEXTURE_2D, texture->name);
133
134 switch (bitmap.colorType()) {
135 case kAlpha_8_SkColorType:
136 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA,
137 GL_UNSIGNED_BYTE, p);
138 break;
139 case kARGB_4444_SkColorType:
140 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
141 GL_UNSIGNED_SHORT_4_4_4_4, p);
142 break;
143 case kN32_SkColorType:
144 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
145 GL_UNSIGNED_BYTE, p);
146 break;
147 case kRGB_565_SkColorType:
148 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB,
149 GL_UNSIGNED_SHORT_5_6_5, p);
150 break;
151 default:
152 break;
153 }
154
155 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
156 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
157 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
158 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
159 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
160 return NO_ERROR;
161 }
162
initTexture(const Animation::Frame & frame)163 status_t BootAnimation::initTexture(const Animation::Frame& frame)
164 {
165 //StopWatch watch("blah");
166
167 SkBitmap bitmap;
168 SkMemoryStream stream(frame.map->getDataPtr(), frame.map->getDataLength());
169 SkImageDecoder* codec = SkImageDecoder::Factory(&stream);
170 if (codec) {
171 codec->setDitherImage(false);
172 codec->decode(&stream, &bitmap,
173 kN32_SkColorType,
174 SkImageDecoder::kDecodePixels_Mode);
175 delete codec;
176 }
177
178 // FileMap memory is never released until application exit.
179 // Release it now as the texture is already loaded and the memory used for
180 // the packed resource can be released.
181 frame.map->release();
182
183 // ensure we can call getPixels(). No need to call unlock, since the
184 // bitmap will go out of scope when we return from this method.
185 bitmap.lockPixels();
186
187 const int w = bitmap.width();
188 const int h = bitmap.height();
189 const void* p = bitmap.getPixels();
190
191 GLint crop[4] = { 0, h, w, -h };
192 int tw = 1 << (31 - __builtin_clz(w));
193 int th = 1 << (31 - __builtin_clz(h));
194 if (tw < w) tw <<= 1;
195 if (th < h) th <<= 1;
196
197 switch (bitmap.colorType()) {
198 case kN32_SkColorType:
199 if (tw != w || th != h) {
200 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA,
201 GL_UNSIGNED_BYTE, 0);
202 glTexSubImage2D(GL_TEXTURE_2D, 0,
203 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, p);
204 } else {
205 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA,
206 GL_UNSIGNED_BYTE, p);
207 }
208 break;
209
210 case kRGB_565_SkColorType:
211 if (tw != w || th != h) {
212 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB,
213 GL_UNSIGNED_SHORT_5_6_5, 0);
214 glTexSubImage2D(GL_TEXTURE_2D, 0,
215 0, 0, w, h, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, p);
216 } else {
217 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB,
218 GL_UNSIGNED_SHORT_5_6_5, p);
219 }
220 break;
221 default:
222 break;
223 }
224
225 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
226
227 return NO_ERROR;
228 }
229
readyToRun()230 status_t BootAnimation::readyToRun() {
231 mAssets.addDefaultAssets();
232
233 sp<IBinder> dtoken(SurfaceComposerClient::getBuiltInDisplay(
234 ISurfaceComposer::eDisplayIdMain));
235 DisplayInfo dinfo;
236 status_t status = SurfaceComposerClient::getDisplayInfo(dtoken, &dinfo);
237 if (status)
238 return -1;
239
240 // create the native surface
241 sp<SurfaceControl> control = session()->createSurface(String8("BootAnimation"),
242 dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565);
243
244 SurfaceComposerClient::openGlobalTransaction();
245 control->setLayer(0x40000000);
246 SurfaceComposerClient::closeGlobalTransaction();
247
248 sp<Surface> s = control->getSurface();
249
250 // initialize opengl and egl
251 const EGLint attribs[] = {
252 EGL_RED_SIZE, 8,
253 EGL_GREEN_SIZE, 8,
254 EGL_BLUE_SIZE, 8,
255 EGL_DEPTH_SIZE, 0,
256 EGL_NONE
257 };
258 EGLint w, h, dummy;
259 EGLint numConfigs;
260 EGLConfig config;
261 EGLSurface surface;
262 EGLContext context;
263
264 EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
265
266 eglInitialize(display, 0, 0);
267 eglChooseConfig(display, attribs, &config, 1, &numConfigs);
268 surface = eglCreateWindowSurface(display, config, s.get(), NULL);
269 context = eglCreateContext(display, config, NULL, NULL);
270 eglQuerySurface(display, surface, EGL_WIDTH, &w);
271 eglQuerySurface(display, surface, EGL_HEIGHT, &h);
272
273 if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE)
274 return NO_INIT;
275
276 mDisplay = display;
277 mContext = context;
278 mSurface = surface;
279 mWidth = w;
280 mHeight = h;
281 mFlingerSurfaceControl = control;
282 mFlingerSurface = s;
283
284 // If the device has encryption turned on or is in process
285 // of being encrypted we show the encrypted boot animation.
286 char decrypt[PROPERTY_VALUE_MAX];
287 property_get("vold.decrypt", decrypt, "");
288
289 bool encryptedAnimation = atoi(decrypt) != 0 || !strcmp("trigger_restart_min_framework", decrypt);
290
291 ZipFileRO* zipFile = NULL;
292 if ((encryptedAnimation &&
293 (access(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE, R_OK) == 0) &&
294 ((zipFile = ZipFileRO::open(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE)) != NULL)) ||
295
296 ((access(OEM_BOOTANIMATION_FILE, R_OK) == 0) &&
297 ((zipFile = ZipFileRO::open(OEM_BOOTANIMATION_FILE)) != NULL)) ||
298
299 ((access(SYSTEM_BOOTANIMATION_FILE, R_OK) == 0) &&
300 ((zipFile = ZipFileRO::open(SYSTEM_BOOTANIMATION_FILE)) != NULL))) {
301 mZip = zipFile;
302 }
303
304 return NO_ERROR;
305 }
306
threadLoop()307 bool BootAnimation::threadLoop()
308 {
309 bool r;
310 // We have no bootanimation file, so we use the stock android logo
311 // animation.
312 if (mZip == NULL) {
313 r = android();
314 } else {
315 r = movie();
316 }
317
318 eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
319 eglDestroyContext(mDisplay, mContext);
320 eglDestroySurface(mDisplay, mSurface);
321 mFlingerSurface.clear();
322 mFlingerSurfaceControl.clear();
323 eglTerminate(mDisplay);
324 IPCThreadState::self()->stopProcess();
325 return r;
326 }
327
android()328 bool BootAnimation::android()
329 {
330 initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png");
331 initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png");
332
333 // clear screen
334 glShadeModel(GL_FLAT);
335 glDisable(GL_DITHER);
336 glDisable(GL_SCISSOR_TEST);
337 glClearColor(0,0,0,1);
338 glClear(GL_COLOR_BUFFER_BIT);
339 eglSwapBuffers(mDisplay, mSurface);
340
341 glEnable(GL_TEXTURE_2D);
342 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
343
344 const GLint xc = (mWidth - mAndroid[0].w) / 2;
345 const GLint yc = (mHeight - mAndroid[0].h) / 2;
346 const Rect updateRect(xc, yc, xc + mAndroid[0].w, yc + mAndroid[0].h);
347
348 glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(),
349 updateRect.height());
350
351 // Blend state
352 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
353 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
354
355 const nsecs_t startTime = systemTime();
356 do {
357 nsecs_t now = systemTime();
358 double time = now - startTime;
359 float t = 4.0f * float(time / us2ns(16667)) / mAndroid[1].w;
360 GLint offset = (1 - (t - floorf(t))) * mAndroid[1].w;
361 GLint x = xc - offset;
362
363 glDisable(GL_SCISSOR_TEST);
364 glClear(GL_COLOR_BUFFER_BIT);
365
366 glEnable(GL_SCISSOR_TEST);
367 glDisable(GL_BLEND);
368 glBindTexture(GL_TEXTURE_2D, mAndroid[1].name);
369 glDrawTexiOES(x, yc, 0, mAndroid[1].w, mAndroid[1].h);
370 glDrawTexiOES(x + mAndroid[1].w, yc, 0, mAndroid[1].w, mAndroid[1].h);
371
372 glEnable(GL_BLEND);
373 glBindTexture(GL_TEXTURE_2D, mAndroid[0].name);
374 glDrawTexiOES(xc, yc, 0, mAndroid[0].w, mAndroid[0].h);
375
376 EGLBoolean res = eglSwapBuffers(mDisplay, mSurface);
377 if (res == EGL_FALSE)
378 break;
379
380 // 12fps: don't animate too fast to preserve CPU
381 const nsecs_t sleepTime = 83333 - ns2us(systemTime() - now);
382 if (sleepTime > 0)
383 usleep(sleepTime);
384
385 checkExit();
386 } while (!exitPending());
387
388 glDeleteTextures(1, &mAndroid[0].name);
389 glDeleteTextures(1, &mAndroid[1].name);
390 return false;
391 }
392
393
checkExit()394 void BootAnimation::checkExit() {
395 // Allow surface flinger to gracefully request shutdown
396 char value[PROPERTY_VALUE_MAX];
397 property_get(EXIT_PROP_NAME, value, "0");
398 int exitnow = atoi(value);
399 if (exitnow) {
400 requestExit();
401 if (mAudioPlayer != NULL) {
402 mAudioPlayer->requestExit();
403 }
404 }
405 }
406
407 // Parse a color represented as an HTML-style 'RRGGBB' string: each pair of
408 // characters in str is a hex number in [0, 255], which are converted to
409 // floating point values in the range [0.0, 1.0] and placed in the
410 // corresponding elements of color.
411 //
412 // If the input string isn't valid, parseColor returns false and color is
413 // left unchanged.
parseColor(const char str[7],float color[3])414 static bool parseColor(const char str[7], float color[3]) {
415 float tmpColor[3];
416 for (int i = 0; i < 3; i++) {
417 int val = 0;
418 for (int j = 0; j < 2; j++) {
419 val *= 16;
420 char c = str[2*i + j];
421 if (c >= '0' && c <= '9') val += c - '0';
422 else if (c >= 'A' && c <= 'F') val += (c - 'A') + 10;
423 else if (c >= 'a' && c <= 'f') val += (c - 'a') + 10;
424 else return false;
425 }
426 tmpColor[i] = static_cast<float>(val) / 255.0f;
427 }
428 memcpy(color, tmpColor, sizeof(tmpColor));
429 return true;
430 }
431
readFile(const char * name,String8 & outString)432 bool BootAnimation::readFile(const char* name, String8& outString)
433 {
434 ZipEntryRO entry = mZip->findEntryByName(name);
435 ALOGE_IF(!entry, "couldn't find %s", name);
436 if (!entry) {
437 return false;
438 }
439
440 FileMap* entryMap = mZip->createEntryFileMap(entry);
441 mZip->releaseEntry(entry);
442 ALOGE_IF(!entryMap, "entryMap is null");
443 if (!entryMap) {
444 return false;
445 }
446
447 outString.setTo((char const*)entryMap->getDataPtr(), entryMap->getDataLength());
448 entryMap->release();
449 return true;
450 }
451
movie()452 bool BootAnimation::movie()
453 {
454 String8 desString;
455
456 if (!readFile("desc.txt", desString)) {
457 return false;
458 }
459 char const* s = desString.string();
460
461 // Create and initialize an AudioPlayer if we have an audio_conf.txt file
462 String8 audioConf;
463 if (readFile("audio_conf.txt", audioConf)) {
464 mAudioPlayer = new AudioPlayer;
465 if (!mAudioPlayer->init(audioConf.string())) {
466 ALOGE("mAudioPlayer.init failed");
467 mAudioPlayer = NULL;
468 }
469 }
470
471 Animation animation;
472
473 // Parse the description file
474 for (;;) {
475 const char* endl = strstr(s, "\n");
476 if (!endl) break;
477 String8 line(s, endl - s);
478 const char* l = line.string();
479 int fps, width, height, count, pause;
480 char path[ANIM_ENTRY_NAME_MAX];
481 char color[7] = "000000"; // default to black if unspecified
482
483 char pathType;
484 if (sscanf(l, "%d %d %d", &width, &height, &fps) == 3) {
485 // ALOGD("> w=%d, h=%d, fps=%d", width, height, fps);
486 animation.width = width;
487 animation.height = height;
488 animation.fps = fps;
489 }
490 else if (sscanf(l, " %c %d %d %s #%6s", &pathType, &count, &pause, path, color) >= 4) {
491 // ALOGD("> type=%c, count=%d, pause=%d, path=%s, color=%s", pathType, count, pause, path, color);
492 Animation::Part part;
493 part.playUntilComplete = pathType == 'c';
494 part.count = count;
495 part.pause = pause;
496 part.path = path;
497 part.audioFile = NULL;
498 if (!parseColor(color, part.backgroundColor)) {
499 ALOGE("> invalid color '#%s'", color);
500 part.backgroundColor[0] = 0.0f;
501 part.backgroundColor[1] = 0.0f;
502 part.backgroundColor[2] = 0.0f;
503 }
504 animation.parts.add(part);
505 }
506
507 s = ++endl;
508 }
509
510 // read all the data structures
511 const size_t pcount = animation.parts.size();
512 void *cookie = NULL;
513 if (!mZip->startIteration(&cookie)) {
514 return false;
515 }
516
517 ZipEntryRO entry;
518 char name[ANIM_ENTRY_NAME_MAX];
519 while ((entry = mZip->nextEntry(cookie)) != NULL) {
520 const int foundEntryName = mZip->getEntryFileName(entry, name, ANIM_ENTRY_NAME_MAX);
521 if (foundEntryName > ANIM_ENTRY_NAME_MAX || foundEntryName == -1) {
522 ALOGE("Error fetching entry file name");
523 continue;
524 }
525
526 const String8 entryName(name);
527 const String8 path(entryName.getPathDir());
528 const String8 leaf(entryName.getPathLeaf());
529 if (leaf.size() > 0) {
530 for (size_t j=0 ; j<pcount ; j++) {
531 if (path == animation.parts[j].path) {
532 int method;
533 // supports only stored png files
534 if (mZip->getEntryInfo(entry, &method, NULL, NULL, NULL, NULL, NULL)) {
535 if (method == ZipFileRO::kCompressStored) {
536 FileMap* map = mZip->createEntryFileMap(entry);
537 if (map) {
538 Animation::Part& part(animation.parts.editItemAt(j));
539 if (leaf == "audio.wav") {
540 // a part may have at most one audio file
541 part.audioFile = map;
542 } else {
543 Animation::Frame frame;
544 frame.name = leaf;
545 frame.map = map;
546 part.frames.add(frame);
547 }
548 }
549 }
550 }
551 }
552 }
553 }
554 }
555
556 mZip->endIteration(cookie);
557
558 // clear screen
559 glShadeModel(GL_FLAT);
560 glDisable(GL_DITHER);
561 glDisable(GL_SCISSOR_TEST);
562 glDisable(GL_BLEND);
563 glClearColor(0,0,0,1);
564 glClear(GL_COLOR_BUFFER_BIT);
565
566 eglSwapBuffers(mDisplay, mSurface);
567
568 glBindTexture(GL_TEXTURE_2D, 0);
569 glEnable(GL_TEXTURE_2D);
570 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
571 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
572 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
573 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
574 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
575
576 const int xc = (mWidth - animation.width) / 2;
577 const int yc = ((mHeight - animation.height) / 2);
578 nsecs_t lastFrame = systemTime();
579 nsecs_t frameDuration = s2ns(1) / animation.fps;
580
581 Region clearReg(Rect(mWidth, mHeight));
582 clearReg.subtractSelf(Rect(xc, yc, xc+animation.width, yc+animation.height));
583
584 for (size_t i=0 ; i<pcount ; i++) {
585 const Animation::Part& part(animation.parts[i]);
586 const size_t fcount = part.frames.size();
587 glBindTexture(GL_TEXTURE_2D, 0);
588
589 for (int r=0 ; !part.count || r<part.count ; r++) {
590 // Exit any non playuntil complete parts immediately
591 if(exitPending() && !part.playUntilComplete)
592 break;
593
594 // only play audio file the first time we animate the part
595 if (r == 0 && mAudioPlayer != NULL && part.audioFile) {
596 mAudioPlayer->playFile(part.audioFile);
597 }
598
599 glClearColor(
600 part.backgroundColor[0],
601 part.backgroundColor[1],
602 part.backgroundColor[2],
603 1.0f);
604
605 for (size_t j=0 ; j<fcount && (!exitPending() || part.playUntilComplete) ; j++) {
606 const Animation::Frame& frame(part.frames[j]);
607 nsecs_t lastFrame = systemTime();
608
609 if (r > 0) {
610 glBindTexture(GL_TEXTURE_2D, frame.tid);
611 } else {
612 if (part.count != 1) {
613 glGenTextures(1, &frame.tid);
614 glBindTexture(GL_TEXTURE_2D, frame.tid);
615 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
616 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
617 }
618 initTexture(frame);
619 }
620
621 if (!clearReg.isEmpty()) {
622 Region::const_iterator head(clearReg.begin());
623 Region::const_iterator tail(clearReg.end());
624 glEnable(GL_SCISSOR_TEST);
625 while (head != tail) {
626 const Rect& r(*head++);
627 glScissor(r.left, mHeight - r.bottom,
628 r.width(), r.height());
629 glClear(GL_COLOR_BUFFER_BIT);
630 }
631 glDisable(GL_SCISSOR_TEST);
632 }
633 glDrawTexiOES(xc, yc, 0, animation.width, animation.height);
634 eglSwapBuffers(mDisplay, mSurface);
635
636 nsecs_t now = systemTime();
637 nsecs_t delay = frameDuration - (now - lastFrame);
638 //ALOGD("%lld, %lld", ns2ms(now - lastFrame), ns2ms(delay));
639 lastFrame = now;
640
641 if (delay > 0) {
642 struct timespec spec;
643 spec.tv_sec = (now + delay) / 1000000000;
644 spec.tv_nsec = (now + delay) % 1000000000;
645 int err;
646 do {
647 err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, NULL);
648 } while (err<0 && errno == EINTR);
649 }
650
651 checkExit();
652 }
653
654 usleep(part.pause * ns2us(frameDuration));
655
656 // For infinite parts, we've now played them at least once, so perhaps exit
657 if(exitPending() && !part.count)
658 break;
659 }
660
661 // free the textures for this part
662 if (part.count != 1) {
663 for (size_t j=0 ; j<fcount ; j++) {
664 const Animation::Frame& frame(part.frames[j]);
665 glDeleteTextures(1, &frame.tid);
666 }
667 }
668 }
669
670 return false;
671 }
672
673 // ---------------------------------------------------------------------------
674
675 }
676 ; // namespace android
677
