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The Android Open Source Project9066cfe2009-03-03 19:31:44 -08001/*
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
Mathias Agopianbc726112009-09-23 15:44:05 -070017#define LOG_TAG "BootAnimation"
18
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080019#include <stdint.h>
20#include <sys/types.h>
21#include <math.h>
22#include <fcntl.h>
23#include <utils/misc.h>
Mathias Agopianb4d5a722009-09-23 17:05:19 -070024#include <signal.h>
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080025
Jason parksbd9a08d2011-01-31 15:04:34 -060026#include <cutils/properties.h>
27
Mathias Agopianac31a3b2009-05-21 19:59:24 -070028#include <binder/IPCThreadState.h>
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080029#include <utils/threads.h>
30#include <utils/Atomic.h>
31#include <utils/Errors.h>
32#include <utils/Log.h>
33#include <utils/AssetManager.h>
34
35#include <ui/PixelFormat.h>
36#include <ui/Rect.h>
37#include <ui/Region.h>
38#include <ui/DisplayInfo.h>
Mathias Agopiandff8e582009-05-04 14:17:04 -070039#include <ui/FramebufferNativeWindow.h>
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080040
Mathias Agopian000479f2010-02-09 17:46:37 -080041#include <surfaceflinger/ISurfaceComposer.h>
Mathias Agopian770492c2010-05-28 14:22:23 -070042#include <surfaceflinger/ISurfaceComposerClient.h>
Mathias Agopian000479f2010-02-09 17:46:37 -080043
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080044#include <core/SkBitmap.h>
Mathias Agopian2b99e552011-11-10 15:59:07 -080045#include <core/SkStream.h>
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080046#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
Jim Huangc11f4622010-08-10 03:12:15 +080054#define USER_BOOTANIMATION_FILE "/data/local/bootanimation.zip"
55#define SYSTEM_BOOTANIMATION_FILE "/system/media/bootanimation.zip"
Jason parksbd9a08d2011-01-31 15:04:34 -060056#define SYSTEM_ENCRYPTED_BOOTANIMATION_FILE "/system/media/bootanimation-encrypted.zip"
Jim Huangc11f4622010-08-10 03:12:15 +080057
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080058namespace android {
59
60// ---------------------------------------------------------------------------
61
Mathias Agopian627e7b52009-05-21 19:21:59 -070062BootAnimation::BootAnimation() : Thread(false)
Mathias Agopiana8826d62009-10-01 03:10:14 -070063{
Mathias Agopian627e7b52009-05-21 19:21:59 -070064 mSession = new SurfaceComposerClient();
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080065}
66
67BootAnimation::~BootAnimation() {
68}
69
70void BootAnimation::onFirstRef() {
Mathias Agopianbc726112009-09-23 15:44:05 -070071 status_t err = mSession->linkToComposerDeath(this);
72 LOGE_IF(err, "linkToComposerDeath failed (%s) ", strerror(-err));
Mathias Agopian8434c532009-09-23 18:52:49 -070073 if (err == NO_ERROR) {
Mathias Agopianbc726112009-09-23 15:44:05 -070074 run("BootAnimation", PRIORITY_DISPLAY);
75 }
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080076}
77
Mathias Agopianbc726112009-09-23 15:44:05 -070078sp<SurfaceComposerClient> BootAnimation::session() const {
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080079 return mSession;
80}
81
Mathias Agopianbc726112009-09-23 15:44:05 -070082
83void BootAnimation::binderDied(const wp<IBinder>& who)
84{
85 // woah, surfaceflinger died!
86 LOGD("SurfaceFlinger died, exiting...");
87
88 // calling requestExit() is not enough here because the Surface code
89 // might be blocked on a condition variable that will never be updated.
90 kill( getpid(), SIGKILL );
91 requestExit();
92}
93
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080094status_t BootAnimation::initTexture(Texture* texture, AssetManager& assets,
95 const char* name) {
96 Asset* asset = assets.open(name, Asset::ACCESS_BUFFER);
97 if (!asset)
98 return NO_INIT;
99 SkBitmap bitmap;
100 SkImageDecoder::DecodeMemory(asset->getBuffer(false), asset->getLength(),
101 &bitmap, SkBitmap::kNo_Config, SkImageDecoder::kDecodePixels_Mode);
102 asset->close();
103 delete asset;
104
105 // ensure we can call getPixels(). No need to call unlock, since the
106 // bitmap will go out of scope when we return from this method.
107 bitmap.lockPixels();
108
109 const int w = bitmap.width();
110 const int h = bitmap.height();
111 const void* p = bitmap.getPixels();
112
113 GLint crop[4] = { 0, h, w, -h };
114 texture->w = w;
115 texture->h = h;
116
117 glGenTextures(1, &texture->name);
118 glBindTexture(GL_TEXTURE_2D, texture->name);
119
120 switch (bitmap.getConfig()) {
121 case SkBitmap::kA8_Config:
122 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA,
123 GL_UNSIGNED_BYTE, p);
124 break;
125 case SkBitmap::kARGB_4444_Config:
126 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
127 GL_UNSIGNED_SHORT_4_4_4_4, p);
128 break;
129 case SkBitmap::kARGB_8888_Config:
130 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
131 GL_UNSIGNED_BYTE, p);
132 break;
133 case SkBitmap::kRGB_565_Config:
134 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB,
135 GL_UNSIGNED_SHORT_5_6_5, p);
136 break;
137 default:
138 break;
139 }
140
141 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
142 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
143 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
144 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
145 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
146 return NO_ERROR;
147}
148
Mathias Agopiana8826d62009-10-01 03:10:14 -0700149status_t BootAnimation::initTexture(void* buffer, size_t len)
150{
151 //StopWatch watch("blah");
152
153 SkBitmap bitmap;
Mathias Agopian2b99e552011-11-10 15:59:07 -0800154 SkMemoryStream stream(buffer, len);
155 SkImageDecoder* codec = SkImageDecoder::Factory(&stream);
156 codec->setDitherImage(false);
157 if (codec) {
158 codec->decode(&stream, &bitmap,
159 SkBitmap::kRGB_565_Config,
160 SkImageDecoder::kDecodePixels_Mode);
161 delete codec;
162 }
Mathias Agopiana8826d62009-10-01 03:10:14 -0700163
164 // ensure we can call getPixels(). No need to call unlock, since the
165 // bitmap will go out of scope when we return from this method.
166 bitmap.lockPixels();
167
168 const int w = bitmap.width();
169 const int h = bitmap.height();
170 const void* p = bitmap.getPixels();
171
172 GLint crop[4] = { 0, h, w, -h };
173 int tw = 1 << (31 - __builtin_clz(w));
174 int th = 1 << (31 - __builtin_clz(h));
175 if (tw < w) tw <<= 1;
176 if (th < h) th <<= 1;
177
178 switch (bitmap.getConfig()) {
179 case SkBitmap::kARGB_8888_Config:
180 if (tw != w || th != h) {
181 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA,
182 GL_UNSIGNED_BYTE, 0);
183 glTexSubImage2D(GL_TEXTURE_2D, 0,
184 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, p);
185 } else {
186 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA,
187 GL_UNSIGNED_BYTE, p);
188 }
189 break;
190
191 case SkBitmap::kRGB_565_Config:
192 if (tw != w || th != h) {
193 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB,
194 GL_UNSIGNED_SHORT_5_6_5, 0);
195 glTexSubImage2D(GL_TEXTURE_2D, 0,
196 0, 0, w, h, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, p);
197 } else {
198 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB,
199 GL_UNSIGNED_SHORT_5_6_5, p);
200 }
201 break;
202 default:
203 break;
204 }
205
206 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
207
208 return NO_ERROR;
209}
210
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800211status_t BootAnimation::readyToRun() {
212 mAssets.addDefaultAssets();
213
214 DisplayInfo dinfo;
215 status_t status = session()->getDisplayInfo(0, &dinfo);
216 if (status)
217 return -1;
218
219 // create the native surface
Mathias Agopian17f638b2009-04-16 20:04:08 -0700220 sp<SurfaceControl> control = session()->createSurface(
Mathias Agopian9638e5c2011-04-20 14:19:32 -0700221 0, dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565);
Mathias Agopian439863f2011-06-28 19:09:31 -0700222
223 SurfaceComposerClient::openGlobalTransaction();
Mathias Agopian17f638b2009-04-16 20:04:08 -0700224 control->setLayer(0x40000000);
Mathias Agopian439863f2011-06-28 19:09:31 -0700225 SurfaceComposerClient::closeGlobalTransaction();
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800226
Mathias Agopian17f638b2009-04-16 20:04:08 -0700227 sp<Surface> s = control->getSurface();
228
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800229 // initialize opengl and egl
Mathias Agopian738b9a42009-08-06 16:41:02 -0700230 const EGLint attribs[] = {
Mathias Agopian1b253b72011-08-15 15:20:22 -0700231 EGL_RED_SIZE, 8,
232 EGL_GREEN_SIZE, 8,
233 EGL_BLUE_SIZE, 8,
Mathias Agopiana8826d62009-10-01 03:10:14 -0700234 EGL_DEPTH_SIZE, 0,
235 EGL_NONE
Mathias Agopian738b9a42009-08-06 16:41:02 -0700236 };
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800237 EGLint w, h, dummy;
238 EGLint numConfigs;
239 EGLConfig config;
240 EGLSurface surface;
241 EGLContext context;
Mathias Agopian627e7b52009-05-21 19:21:59 -0700242
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800243 EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
Mathias Agopian627e7b52009-05-21 19:21:59 -0700244
245 eglInitialize(display, 0, 0);
Mathias Agopian1b253b72011-08-15 15:20:22 -0700246 eglChooseConfig(display, attribs, &config, 1, &numConfigs);
Mathias Agopian1473f462009-04-10 14:24:30 -0700247 surface = eglCreateWindowSurface(display, config, s.get(), NULL);
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800248 context = eglCreateContext(display, config, NULL, NULL);
249 eglQuerySurface(display, surface, EGL_WIDTH, &w);
250 eglQuerySurface(display, surface, EGL_HEIGHT, &h);
Mathias Agopiana8826d62009-10-01 03:10:14 -0700251
Mathias Agopianabac0102009-07-31 14:47:00 -0700252 if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE)
253 return NO_INIT;
Mathias Agopiana8826d62009-10-01 03:10:14 -0700254
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800255 mDisplay = display;
256 mContext = context;
257 mSurface = surface;
258 mWidth = w;
259 mHeight = h;
Mathias Agopian17f638b2009-04-16 20:04:08 -0700260 mFlingerSurfaceControl = control;
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800261 mFlingerSurface = s;
262
Jim Huangc11f4622010-08-10 03:12:15 +0800263 mAndroidAnimation = true;
Jason parksbd9a08d2011-01-31 15:04:34 -0600264
265 // If the device has encryption turned on or is in process
266 // of being encrypted we show the encrypted boot animation.
267 char decrypt[PROPERTY_VALUE_MAX];
268 property_get("vold.decrypt", decrypt, "");
269
270 bool encryptedAnimation = atoi(decrypt) != 0 || !strcmp("trigger_restart_min_framework", decrypt);
271
272 if ((encryptedAnimation &&
273 (access(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE, R_OK) == 0) &&
274 (mZip.open(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE) == NO_ERROR)) ||
275
276 ((access(USER_BOOTANIMATION_FILE, R_OK) == 0) &&
277 (mZip.open(USER_BOOTANIMATION_FILE) == NO_ERROR)) ||
278
279 ((access(SYSTEM_BOOTANIMATION_FILE, R_OK) == 0) &&
280 (mZip.open(SYSTEM_BOOTANIMATION_FILE) == NO_ERROR))) {
Chih-Wei Huang29787512010-11-03 15:33:00 +0800281 mAndroidAnimation = false;
Jason parksbd9a08d2011-01-31 15:04:34 -0600282 }
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800283
284 return NO_ERROR;
285}
286
Mathias Agopiana8826d62009-10-01 03:10:14 -0700287bool BootAnimation::threadLoop()
288{
289 bool r;
290 if (mAndroidAnimation) {
291 r = android();
292 } else {
293 r = movie();
294 }
295
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800296 eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
297 eglDestroyContext(mDisplay, mContext);
298 eglDestroySurface(mDisplay, mSurface);
Mathias Agopian6cf0db22009-04-17 19:36:26 -0700299 mFlingerSurface.clear();
Mathias Agopian17f638b2009-04-16 20:04:08 -0700300 mFlingerSurfaceControl.clear();
Mathias Agopian627e7b52009-05-21 19:21:59 -0700301 eglTerminate(mDisplay);
302 IPCThreadState::self()->stopProcess();
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800303 return r;
304}
305
Mathias Agopiana8826d62009-10-01 03:10:14 -0700306bool BootAnimation::android()
307{
Mathias Agopianb2cf9542009-03-24 18:34:16 -0700308 initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png");
309 initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png");
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800310
311 // clear screen
Mathias Agopiana8826d62009-10-01 03:10:14 -0700312 glShadeModel(GL_FLAT);
Mathias Agopianb2cf9542009-03-24 18:34:16 -0700313 glDisable(GL_DITHER);
314 glDisable(GL_SCISSOR_TEST);
Mathias Agopian59f19e42011-05-06 19:22:12 -0700315 glClearColor(0,0,0,1);
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800316 glClear(GL_COLOR_BUFFER_BIT);
317 eglSwapBuffers(mDisplay, mSurface);
318
Mathias Agopiana8826d62009-10-01 03:10:14 -0700319 glEnable(GL_TEXTURE_2D);
320 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
321
Mathias Agopianb2cf9542009-03-24 18:34:16 -0700322 const GLint xc = (mWidth - mAndroid[0].w) / 2;
323 const GLint yc = (mHeight - mAndroid[0].h) / 2;
324 const Rect updateRect(xc, yc, xc + mAndroid[0].w, yc + mAndroid[0].h);
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800325
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800326 glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(),
327 updateRect.height());
328
Mathias Agopianb2cf9542009-03-24 18:34:16 -0700329 // Blend state
330 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
331 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
332
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800333 const nsecs_t startTime = systemTime();
334 do {
Mathias Agopian13796652009-03-24 22:49:21 -0700335 nsecs_t now = systemTime();
336 double time = now - startTime;
Mathias Agopianb2cf9542009-03-24 18:34:16 -0700337 float t = 4.0f * float(time / us2ns(16667)) / mAndroid[1].w;
338 GLint offset = (1 - (t - floorf(t))) * mAndroid[1].w;
339 GLint x = xc - offset;
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800340
Mathias Agopian81668642009-07-28 11:41:30 -0700341 glDisable(GL_SCISSOR_TEST);
342 glClear(GL_COLOR_BUFFER_BIT);
343
344 glEnable(GL_SCISSOR_TEST);
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800345 glDisable(GL_BLEND);
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800346 glBindTexture(GL_TEXTURE_2D, mAndroid[1].name);
Mathias Agopianb2cf9542009-03-24 18:34:16 -0700347 glDrawTexiOES(x, yc, 0, mAndroid[1].w, mAndroid[1].h);
348 glDrawTexiOES(x + mAndroid[1].w, yc, 0, mAndroid[1].w, mAndroid[1].h);
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800349
Mathias Agopianb2cf9542009-03-24 18:34:16 -0700350 glEnable(GL_BLEND);
351 glBindTexture(GL_TEXTURE_2D, mAndroid[0].name);
352 glDrawTexiOES(xc, yc, 0, mAndroid[0].w, mAndroid[0].h);
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800353
Mathias Agopian627e7b52009-05-21 19:21:59 -0700354 EGLBoolean res = eglSwapBuffers(mDisplay, mSurface);
355 if (res == EGL_FALSE)
356 break;
357
Mathias Agopian13796652009-03-24 22:49:21 -0700358 // 12fps: don't animate too fast to preserve CPU
359 const nsecs_t sleepTime = 83333 - ns2us(systemTime() - now);
360 if (sleepTime > 0)
Mathias Agopiana8826d62009-10-01 03:10:14 -0700361 usleep(sleepTime);
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800362 } while (!exitPending());
363
364 glDeleteTextures(1, &mAndroid[0].name);
365 glDeleteTextures(1, &mAndroid[1].name);
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800366 return false;
367}
368
Mathias Agopiana8826d62009-10-01 03:10:14 -0700369
370bool BootAnimation::movie()
371{
372 ZipFileRO& zip(mZip);
373
374 size_t numEntries = zip.getNumEntries();
375 ZipEntryRO desc = zip.findEntryByName("desc.txt");
376 FileMap* descMap = zip.createEntryFileMap(desc);
377 LOGE_IF(!descMap, "descMap is null");
378 if (!descMap) {
379 return false;
380 }
381
382 String8 desString((char const*)descMap->getDataPtr(),
383 descMap->getDataLength());
384 char const* s = desString.string();
385
386 Animation animation;
387
388 // Parse the description file
389 for (;;) {
390 const char* endl = strstr(s, "\n");
391 if (!endl) break;
392 String8 line(s, endl - s);
393 const char* l = line.string();
394 int fps, width, height, count, pause;
395 char path[256];
396 if (sscanf(l, "%d %d %d", &width, &height, &fps) == 3) {
397 //LOGD("> w=%d, h=%d, fps=%d", fps, width, height);
398 animation.width = width;
399 animation.height = height;
400 animation.fps = fps;
401 }
402 if (sscanf(l, "p %d %d %s", &count, &pause, path) == 3) {
403 //LOGD("> count=%d, pause=%d, path=%s", count, pause, path);
404 Animation::Part part;
405 part.count = count;
406 part.pause = pause;
407 part.path = path;
408 animation.parts.add(part);
409 }
410 s = ++endl;
411 }
412
413 // read all the data structures
414 const size_t pcount = animation.parts.size();
415 for (size_t i=0 ; i<numEntries ; i++) {
416 char name[256];
417 ZipEntryRO entry = zip.findEntryByIndex(i);
418 if (zip.getEntryFileName(entry, name, 256) == 0) {
419 const String8 entryName(name);
420 const String8 path(entryName.getPathDir());
421 const String8 leaf(entryName.getPathLeaf());
422 if (leaf.size() > 0) {
423 for (int j=0 ; j<pcount ; j++) {
424 if (path == animation.parts[j].path) {
425 int method;
426 // supports only stored png files
427 if (zip.getEntryInfo(entry, &method, 0, 0, 0, 0, 0)) {
428 if (method == ZipFileRO::kCompressStored) {
429 FileMap* map = zip.createEntryFileMap(entry);
430 if (map) {
431 Animation::Frame frame;
432 frame.name = leaf;
433 frame.map = map;
434 Animation::Part& part(animation.parts.editItemAt(j));
435 part.frames.add(frame);
436 }
437 }
438 }
439 }
440 }
441 }
442 }
443 }
444
445 // clear screen
446 glShadeModel(GL_FLAT);
447 glDisable(GL_DITHER);
448 glDisable(GL_SCISSOR_TEST);
449 glDisable(GL_BLEND);
Mathias Agopian59f19e42011-05-06 19:22:12 -0700450 glClearColor(0,0,0,1);
Mathias Agopiana8826d62009-10-01 03:10:14 -0700451 glClear(GL_COLOR_BUFFER_BIT);
452
453 eglSwapBuffers(mDisplay, mSurface);
454
455 glBindTexture(GL_TEXTURE_2D, 0);
456 glEnable(GL_TEXTURE_2D);
457 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
458 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
459 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
460 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
461 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
462
463 const int xc = (mWidth - animation.width) / 2;
464 const int yc = ((mHeight - animation.height) / 2);
465 nsecs_t lastFrame = systemTime();
466 nsecs_t frameDuration = s2ns(1) / animation.fps;
467
Mathias Agopian9f3020d2009-11-06 16:30:18 -0800468 Region clearReg(Rect(mWidth, mHeight));
469 clearReg.subtractSelf(Rect(xc, yc, xc+animation.width, yc+animation.height));
470
Mathias Agopiana8826d62009-10-01 03:10:14 -0700471 for (int i=0 ; i<pcount && !exitPending() ; i++) {
472 const Animation::Part& part(animation.parts[i]);
473 const size_t fcount = part.frames.size();
474 glBindTexture(GL_TEXTURE_2D, 0);
475
476 for (int r=0 ; !part.count || r<part.count ; r++) {
477 for (int j=0 ; j<fcount && !exitPending(); j++) {
478 const Animation::Frame& frame(part.frames[j]);
479
480 if (r > 0) {
481 glBindTexture(GL_TEXTURE_2D, frame.tid);
482 } else {
483 if (part.count != 1) {
484 glGenTextures(1, &frame.tid);
485 glBindTexture(GL_TEXTURE_2D, frame.tid);
486 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
487 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
488 }
489 initTexture(
490 frame.map->getDataPtr(),
491 frame.map->getDataLength());
492 }
493
Mathias Agopian9f3020d2009-11-06 16:30:18 -0800494 if (!clearReg.isEmpty()) {
495 Region::const_iterator head(clearReg.begin());
496 Region::const_iterator tail(clearReg.end());
497 glEnable(GL_SCISSOR_TEST);
498 while (head != tail) {
499 const Rect& r(*head++);
500 glScissor(r.left, mHeight - r.bottom,
501 r.width(), r.height());
502 glClear(GL_COLOR_BUFFER_BIT);
503 }
504 glDisable(GL_SCISSOR_TEST);
505 }
Mathias Agopiana8826d62009-10-01 03:10:14 -0700506 glDrawTexiOES(xc, yc, 0, animation.width, animation.height);
507 eglSwapBuffers(mDisplay, mSurface);
508
509 nsecs_t now = systemTime();
510 nsecs_t delay = frameDuration - (now - lastFrame);
511 lastFrame = now;
512 long wait = ns2us(frameDuration);
513 if (wait > 0)
514 usleep(wait);
515 }
516 usleep(part.pause * ns2us(frameDuration));
517 }
518
519 // free the textures for this part
520 if (part.count != 1) {
521 for (int j=0 ; j<fcount ; j++) {
522 const Animation::Frame& frame(part.frames[j]);
523 glDeleteTextures(1, &frame.tid);
524 }
525 }
526 }
527
528 return false;
529}
530
The Android Open Source Project9066cfe2009-03-03 19:31:44 -0800531// ---------------------------------------------------------------------------
532
533}
534; // namespace android