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 <binder/IPCThreadState.h> 27 #include <utils/threads.h> 28 #include <utils/Atomic.h> 29 #include <utils/Errors.h> 30 #include <utils/Log.h> 31 #include <utils/AssetManager.h> 32 33 #include <ui/PixelFormat.h> 34 #include <ui/Rect.h> 35 #include <ui/Region.h> 36 #include <ui/DisplayInfo.h> 37 #include <ui/FramebufferNativeWindow.h> 38 #include <ui/EGLUtils.h> 39 40 #include <surfaceflinger/ISurfaceComposer.h> 41 #include <surfaceflinger/ISurfaceComposerClient.h> 42 43 #include <core/SkBitmap.h> 44 #include <images/SkImageDecoder.h> 45 46 #include <GLES/gl.h> 47 #include <GLES/glext.h> 48 #include <EGL/eglext.h> 49 50 #include "BootAnimation.h" 51 52 namespace android { 53 54 // --------------------------------------------------------------------------- 55 56 BootAnimation::BootAnimation() : Thread(false) 57 { 58 mSession = new SurfaceComposerClient(); 59 } 60 61 BootAnimation::~BootAnimation() { 62 } 63 64 void BootAnimation::onFirstRef() { 65 status_t err = mSession->linkToComposerDeath(this); 66 LOGE_IF(err, "linkToComposerDeath failed (%s) ", strerror(-err)); 67 if (err == NO_ERROR) { 68 run("BootAnimation", PRIORITY_DISPLAY); 69 } 70 } 71 72 sp<SurfaceComposerClient> BootAnimation::session() const { 73 return mSession; 74 } 75 76 77 void BootAnimation::binderDied(const wp<IBinder>& who) 78 { 79 // woah, surfaceflinger died! 80 LOGD("SurfaceFlinger died, exiting..."); 81 82 // calling requestExit() is not enough here because the Surface code 83 // might be blocked on a condition variable that will never be updated. 84 kill( getpid(), SIGKILL ); 85 requestExit(); 86 } 87 88 status_t BootAnimation::initTexture(Texture* texture, AssetManager& assets, 89 const char* name) { 90 Asset* asset = assets.open(name, Asset::ACCESS_BUFFER); 91 if (!asset) 92 return NO_INIT; 93 SkBitmap bitmap; 94 SkImageDecoder::DecodeMemory(asset->getBuffer(false), asset->getLength(), 95 &bitmap, SkBitmap::kNo_Config, SkImageDecoder::kDecodePixels_Mode); 96 asset->close(); 97 delete asset; 98 99 // ensure we can call getPixels(). No need to call unlock, since the 100 // bitmap will go out of scope when we return from this method. 101 bitmap.lockPixels(); 102 103 const int w = bitmap.width(); 104 const int h = bitmap.height(); 105 const void* p = bitmap.getPixels(); 106 107 GLint crop[4] = { 0, h, w, -h }; 108 texture->w = w; 109 texture->h = h; 110 111 glGenTextures(1, &texture->name); 112 glBindTexture(GL_TEXTURE_2D, texture->name); 113 114 switch (bitmap.getConfig()) { 115 case SkBitmap::kA8_Config: 116 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA, 117 GL_UNSIGNED_BYTE, p); 118 break; 119 case SkBitmap::kARGB_4444_Config: 120 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, 121 GL_UNSIGNED_SHORT_4_4_4_4, p); 122 break; 123 case SkBitmap::kARGB_8888_Config: 124 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, 125 GL_UNSIGNED_BYTE, p); 126 break; 127 case SkBitmap::kRGB_565_Config: 128 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, 129 GL_UNSIGNED_SHORT_5_6_5, p); 130 break; 131 default: 132 break; 133 } 134 135 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 136 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 137 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 138 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); 139 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); 140 return NO_ERROR; 141 } 142 143 status_t BootAnimation::initTexture(void* buffer, size_t len) 144 { 145 //StopWatch watch("blah"); 146 147 SkBitmap bitmap; 148 SkImageDecoder::DecodeMemory(buffer, len, 149 &bitmap, SkBitmap::kRGB_565_Config, 150 SkImageDecoder::kDecodePixels_Mode); 151 152 // ensure we can call getPixels(). No need to call unlock, since the 153 // bitmap will go out of scope when we return from this method. 154 bitmap.lockPixels(); 155 156 const int w = bitmap.width(); 157 const int h = bitmap.height(); 158 const void* p = bitmap.getPixels(); 159 160 GLint crop[4] = { 0, h, w, -h }; 161 int tw = 1 << (31 - __builtin_clz(w)); 162 int th = 1 << (31 - __builtin_clz(h)); 163 if (tw < w) tw <<= 1; 164 if (th < h) th <<= 1; 165 166 switch (bitmap.getConfig()) { 167 case SkBitmap::kARGB_8888_Config: 168 if (tw != w || th != h) { 169 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA, 170 GL_UNSIGNED_BYTE, 0); 171 glTexSubImage2D(GL_TEXTURE_2D, 0, 172 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, p); 173 } else { 174 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA, 175 GL_UNSIGNED_BYTE, p); 176 } 177 break; 178 179 case SkBitmap::kRGB_565_Config: 180 if (tw != w || th != h) { 181 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB, 182 GL_UNSIGNED_SHORT_5_6_5, 0); 183 glTexSubImage2D(GL_TEXTURE_2D, 0, 184 0, 0, w, h, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, p); 185 } else { 186 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB, 187 GL_UNSIGNED_SHORT_5_6_5, p); 188 } 189 break; 190 default: 191 break; 192 } 193 194 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 195 196 return NO_ERROR; 197 } 198 199 status_t BootAnimation::readyToRun() { 200 mAssets.addDefaultAssets(); 201 202 DisplayInfo dinfo; 203 status_t status = session()->getDisplayInfo(0, &dinfo); 204 if (status) 205 return -1; 206 207 // create the native surface 208 sp<SurfaceControl> control = session()->createSurface( 209 getpid(), 0, dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565); 210 session()->openTransaction(); 211 control->setLayer(0x40000000); 212 session()->closeTransaction(); 213 214 sp<Surface> s = control->getSurface(); 215 216 // initialize opengl and egl 217 const EGLint attribs[] = { 218 EGL_DEPTH_SIZE, 0, 219 EGL_NONE 220 }; 221 EGLint w, h, dummy; 222 EGLint numConfigs; 223 EGLConfig config; 224 EGLSurface surface; 225 EGLContext context; 226 227 EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY); 228 229 eglInitialize(display, 0, 0); 230 EGLUtils::selectConfigForNativeWindow(display, attribs, s.get(), &config); 231 surface = eglCreateWindowSurface(display, config, s.get(), NULL); 232 context = eglCreateContext(display, config, NULL, NULL); 233 eglQuerySurface(display, surface, EGL_WIDTH, &w); 234 eglQuerySurface(display, surface, EGL_HEIGHT, &h); 235 236 if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) 237 return NO_INIT; 238 239 mDisplay = display; 240 mContext = context; 241 mSurface = surface; 242 mWidth = w; 243 mHeight = h; 244 mFlingerSurfaceControl = control; 245 mFlingerSurface = s; 246 247 mAndroidAnimation = false; 248 status_t err = mZip.open("/data/local/bootanimation.zip"); 249 if (err != NO_ERROR) { 250 err = mZip.open("/system/media/bootanimation.zip"); 251 if (err != NO_ERROR) { 252 mAndroidAnimation = true; 253 } 254 } 255 256 return NO_ERROR; 257 } 258 259 bool BootAnimation::threadLoop() 260 { 261 bool r; 262 if (mAndroidAnimation) { 263 r = android(); 264 } else { 265 r = movie(); 266 } 267 268 eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); 269 eglDestroyContext(mDisplay, mContext); 270 eglDestroySurface(mDisplay, mSurface); 271 mFlingerSurface.clear(); 272 mFlingerSurfaceControl.clear(); 273 eglTerminate(mDisplay); 274 IPCThreadState::self()->stopProcess(); 275 return r; 276 } 277 278 bool BootAnimation::android() 279 { 280 initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png"); 281 initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png"); 282 283 // clear screen 284 glShadeModel(GL_FLAT); 285 glDisable(GL_DITHER); 286 glDisable(GL_SCISSOR_TEST); 287 glClear(GL_COLOR_BUFFER_BIT); 288 eglSwapBuffers(mDisplay, mSurface); 289 290 glEnable(GL_TEXTURE_2D); 291 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 292 293 const GLint xc = (mWidth - mAndroid[0].w) / 2; 294 const GLint yc = (mHeight - mAndroid[0].h) / 2; 295 const Rect updateRect(xc, yc, xc + mAndroid[0].w, yc + mAndroid[0].h); 296 297 // draw and update only what we need 298 mFlingerSurface->setSwapRectangle(updateRect); 299 300 glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(), 301 updateRect.height()); 302 303 // Blend state 304 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); 305 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 306 307 const nsecs_t startTime = systemTime(); 308 do { 309 nsecs_t now = systemTime(); 310 double time = now - startTime; 311 float t = 4.0f * float(time / us2ns(16667)) / mAndroid[1].w; 312 GLint offset = (1 - (t - floorf(t))) * mAndroid[1].w; 313 GLint x = xc - offset; 314 315 glDisable(GL_SCISSOR_TEST); 316 glClear(GL_COLOR_BUFFER_BIT); 317 318 glEnable(GL_SCISSOR_TEST); 319 glDisable(GL_BLEND); 320 glBindTexture(GL_TEXTURE_2D, mAndroid[1].name); 321 glDrawTexiOES(x, yc, 0, mAndroid[1].w, mAndroid[1].h); 322 glDrawTexiOES(x + mAndroid[1].w, yc, 0, mAndroid[1].w, mAndroid[1].h); 323 324 glEnable(GL_BLEND); 325 glBindTexture(GL_TEXTURE_2D, mAndroid[0].name); 326 glDrawTexiOES(xc, yc, 0, mAndroid[0].w, mAndroid[0].h); 327 328 EGLBoolean res = eglSwapBuffers(mDisplay, mSurface); 329 if (res == EGL_FALSE) 330 break; 331 332 // 12fps: don't animate too fast to preserve CPU 333 const nsecs_t sleepTime = 83333 - ns2us(systemTime() - now); 334 if (sleepTime > 0) 335 usleep(sleepTime); 336 } while (!exitPending()); 337 338 glDeleteTextures(1, &mAndroid[0].name); 339 glDeleteTextures(1, &mAndroid[1].name); 340 return false; 341 } 342 343 344 bool BootAnimation::movie() 345 { 346 ZipFileRO& zip(mZip); 347 348 size_t numEntries = zip.getNumEntries(); 349 ZipEntryRO desc = zip.findEntryByName("desc.txt"); 350 FileMap* descMap = zip.createEntryFileMap(desc); 351 LOGE_IF(!descMap, "descMap is null"); 352 if (!descMap) { 353 return false; 354 } 355 356 String8 desString((char const*)descMap->getDataPtr(), 357 descMap->getDataLength()); 358 char const* s = desString.string(); 359 360 Animation animation; 361 362 // Parse the description file 363 for (;;) { 364 const char* endl = strstr(s, "\n"); 365 if (!endl) break; 366 String8 line(s, endl - s); 367 const char* l = line.string(); 368 int fps, width, height, count, pause; 369 char path[256]; 370 if (sscanf(l, "%d %d %d", &width, &height, &fps) == 3) { 371 //LOGD("> w=%d, h=%d, fps=%d", fps, width, height); 372 animation.width = width; 373 animation.height = height; 374 animation.fps = fps; 375 } 376 if (sscanf(l, "p %d %d %s", &count, &pause, path) == 3) { 377 //LOGD("> count=%d, pause=%d, path=%s", count, pause, path); 378 Animation::Part part; 379 part.count = count; 380 part.pause = pause; 381 part.path = path; 382 animation.parts.add(part); 383 } 384 s = ++endl; 385 } 386 387 // read all the data structures 388 const size_t pcount = animation.parts.size(); 389 for (size_t i=0 ; i<numEntries ; i++) { 390 char name[256]; 391 ZipEntryRO entry = zip.findEntryByIndex(i); 392 if (zip.getEntryFileName(entry, name, 256) == 0) { 393 const String8 entryName(name); 394 const String8 path(entryName.getPathDir()); 395 const String8 leaf(entryName.getPathLeaf()); 396 if (leaf.size() > 0) { 397 for (int j=0 ; j<pcount ; j++) { 398 if (path == animation.parts[j].path) { 399 int method; 400 // supports only stored png files 401 if (zip.getEntryInfo(entry, &method, 0, 0, 0, 0, 0)) { 402 if (method == ZipFileRO::kCompressStored) { 403 FileMap* map = zip.createEntryFileMap(entry); 404 if (map) { 405 Animation::Frame frame; 406 frame.name = leaf; 407 frame.map = map; 408 Animation::Part& part(animation.parts.editItemAt(j)); 409 part.frames.add(frame); 410 } 411 } 412 } 413 } 414 } 415 } 416 } 417 } 418 419 // clear screen 420 glShadeModel(GL_FLAT); 421 glDisable(GL_DITHER); 422 glDisable(GL_SCISSOR_TEST); 423 glDisable(GL_BLEND); 424 glClear(GL_COLOR_BUFFER_BIT); 425 426 eglSwapBuffers(mDisplay, mSurface); 427 428 glBindTexture(GL_TEXTURE_2D, 0); 429 glEnable(GL_TEXTURE_2D); 430 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 431 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); 432 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); 433 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 434 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 435 436 const int xc = (mWidth - animation.width) / 2; 437 const int yc = ((mHeight - animation.height) / 2); 438 nsecs_t lastFrame = systemTime(); 439 nsecs_t frameDuration = s2ns(1) / animation.fps; 440 441 Region clearReg(Rect(mWidth, mHeight)); 442 clearReg.subtractSelf(Rect(xc, yc, xc+animation.width, yc+animation.height)); 443 444 for (int i=0 ; i<pcount && !exitPending() ; i++) { 445 const Animation::Part& part(animation.parts[i]); 446 const size_t fcount = part.frames.size(); 447 glBindTexture(GL_TEXTURE_2D, 0); 448 449 for (int r=0 ; !part.count || r<part.count ; r++) { 450 for (int j=0 ; j<fcount && !exitPending(); j++) { 451 const Animation::Frame& frame(part.frames[j]); 452 453 if (r > 0) { 454 glBindTexture(GL_TEXTURE_2D, frame.tid); 455 } else { 456 if (part.count != 1) { 457 glGenTextures(1, &frame.tid); 458 glBindTexture(GL_TEXTURE_2D, frame.tid); 459 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 460 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 461 } 462 initTexture( 463 frame.map->getDataPtr(), 464 frame.map->getDataLength()); 465 } 466 467 if (!clearReg.isEmpty()) { 468 Region::const_iterator head(clearReg.begin()); 469 Region::const_iterator tail(clearReg.end()); 470 glEnable(GL_SCISSOR_TEST); 471 while (head != tail) { 472 const Rect& r(*head++); 473 glScissor(r.left, mHeight - r.bottom, 474 r.width(), r.height()); 475 glClear(GL_COLOR_BUFFER_BIT); 476 } 477 glDisable(GL_SCISSOR_TEST); 478 } 479 glDrawTexiOES(xc, yc, 0, animation.width, animation.height); 480 eglSwapBuffers(mDisplay, mSurface); 481 482 nsecs_t now = systemTime(); 483 nsecs_t delay = frameDuration - (now - lastFrame); 484 lastFrame = now; 485 long wait = ns2us(frameDuration); 486 if (wait > 0) 487 usleep(wait); 488 } 489 usleep(part.pause * ns2us(frameDuration)); 490 } 491 492 // free the textures for this part 493 if (part.count != 1) { 494 for (int j=0 ; j<fcount ; j++) { 495 const Animation::Frame& frame(part.frames[j]); 496 glDeleteTextures(1, &frame.tid); 497 } 498 } 499 } 500 501 return false; 502 } 503 504 // --------------------------------------------------------------------------- 505 506 } 507 ; // namespace android 508
