BootAnimation.cpp revision 8166864e42bc20c1544b2028e8dd65b90f29a0ea
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "BootAnimation" 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdint.h> 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <math.h> 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/misc.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian#include <utils/IPCThreadState.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/threads.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Atomic.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Errors.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/AssetManager.h> 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/PixelFormat.h> 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/Rect.h> 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/Region.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/DisplayInfo.h> 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/ISurfaceComposer.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/ISurfaceFlingerClient.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/EGLNativeWindowSurface.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <core/SkBitmap.h> 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <images/SkImageDecoder.h> 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <GLES/gl.h> 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <GLES/glext.h> 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <EGL/eglext.h> 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "BootAnimation.h" 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias AgopianBootAnimation::BootAnimation() : Thread(false) 54627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian{ 55627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian mSession = new SurfaceComposerClient(); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectBootAnimation::~BootAnimation() { 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid BootAnimation::onFirstRef() { 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project run("BootAnimation", PRIORITY_DISPLAY); 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst sp<SurfaceComposerClient>& BootAnimation::session() const { 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSession; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t BootAnimation::initTexture(Texture* texture, AssetManager& assets, 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* name) { 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Asset* asset = assets.open(name, Asset::ACCESS_BUFFER); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!asset) 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkBitmap bitmap; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkImageDecoder::DecodeMemory(asset->getBuffer(false), asset->getLength(), 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &bitmap, SkBitmap::kNo_Config, SkImageDecoder::kDecodePixels_Mode); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project asset->close(); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete asset; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ensure we can call getPixels(). No need to call unlock, since the 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // bitmap will go out of scope when we return from this method. 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bitmap.lockPixels(); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int w = bitmap.width(); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int h = bitmap.height(); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const void* p = bitmap.getPixels(); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLint crop[4] = { 0, h, w, -h }; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project texture->w = w; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project texture->h = h; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glGenTextures(1, &texture->name); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glBindTexture(GL_TEXTURE_2D, texture->name); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (bitmap.getConfig()) { 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kA8_Config: 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA, 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GL_UNSIGNED_BYTE, p); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kARGB_4444_Config: 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GL_UNSIGNED_SHORT_4_4_4_4, p); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kARGB_8888_Config: 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GL_UNSIGNED_BYTE, p); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kRGB_565_Config: 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GL_UNSIGNED_SHORT_5_6_5, p); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t BootAnimation::readyToRun() { 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAssets.addDefaultAssets(); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DisplayInfo dinfo; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t status = session()->getDisplayInfo(0, &dinfo); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (status) 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // create the native surface 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Surface> s = session()->createSurface(getpid(), 0, dinfo.w, dinfo.h, 134627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian PIXEL_FORMAT_RGB_565, ISurfaceComposer::eGPU); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project session()->openTransaction(); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s->setLayer(0x40000000); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project session()->closeTransaction(); 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // initialize opengl and egl 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const EGLint attribs[] = { EGL_RED_SIZE, 5, EGL_GREEN_SIZE, 6, 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGL_BLUE_SIZE, 5, EGL_DEPTH_SIZE, 0, EGL_NONE }; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGLint w, h, dummy; 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGLint numConfigs; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGLConfig config; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGLSurface surface; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGLContext context; 147627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY); 149627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian 150627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian eglInitialize(display, 0, 0); 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eglChooseConfig(display, attribs, &config, 1, &numConfigs); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeWindowSurface = new EGLNativeWindowSurface(s); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project surface = eglCreateWindowSurface(display, config, 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeWindowSurface.get(), NULL); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context = eglCreateContext(display, config, NULL, NULL); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eglQuerySurface(display, surface, EGL_WIDTH, &w); 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eglQuerySurface(display, surface, EGL_HEIGHT, &h); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eglMakeCurrent(display, surface, surface, context); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDisplay = display; 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContext = context; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurface = surface; 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWidth = w; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHeight = h; 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFlingerSurface = s; 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // initialize GL 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glShadeModel(GL_FLAT); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_TEXTURE_2D); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool BootAnimation::threadLoop() { 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool r = android(); 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eglDestroyContext(mDisplay, mContext); 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eglDestroySurface(mDisplay, mSurface); 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeWindowSurface.clear(); 182627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian mFlingerSurface.clear(); 183627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian eglTerminate(mDisplay); 184627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian IPCThreadState::self()->stopProcess(); 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return r; 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool BootAnimation::android() { 189b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png"); 190b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png"); 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clear screen 193b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian glDisable(GL_DITHER); 194b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian glDisable(GL_SCISSOR_TEST); 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glClear(GL_COLOR_BUFFER_BIT); 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eglSwapBuffers(mDisplay, mSurface); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 198b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian const GLint xc = (mWidth - mAndroid[0].w) / 2; 199b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian const GLint yc = (mHeight - mAndroid[0].h) / 2; 200b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian const Rect updateRect(xc, yc, xc + mAndroid[0].w, yc + mAndroid[0].h); 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // draw and update only what we need 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeWindowSurface->setSwapRectangle(updateRect.left, 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateRect.top, updateRect.width(), updateRect.height()); 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(), 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateRect.height()); 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 209b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian // Blend state 210b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); 211b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 212b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const nsecs_t startTime = systemTime(); 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 21500f5eca412248a32325442c982f97303dacae94bMathias Agopian nsecs_t now = systemTime(); 21600f5eca412248a32325442c982f97303dacae94bMathias Agopian double time = now - startTime; 217b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian float t = 4.0f * float(time / us2ns(16667)) / mAndroid[1].w; 218b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian GLint offset = (1 - (t - floorf(t))) * mAndroid[1].w; 219b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian GLint x = xc - offset; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2218166864e42bc20c1544b2028e8dd65b90f29a0eaMathias Agopian glDisable(GL_SCISSOR_TEST); 2228166864e42bc20c1544b2028e8dd65b90f29a0eaMathias Agopian glClear(GL_COLOR_BUFFER_BIT); 2238166864e42bc20c1544b2028e8dd65b90f29a0eaMathias Agopian 2248166864e42bc20c1544b2028e8dd65b90f29a0eaMathias Agopian glEnable(GL_SCISSOR_TEST); 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDisable(GL_BLEND); 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glBindTexture(GL_TEXTURE_2D, mAndroid[1].name); 227b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian glDrawTexiOES(x, yc, 0, mAndroid[1].w, mAndroid[1].h); 228b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian glDrawTexiOES(x + mAndroid[1].w, yc, 0, mAndroid[1].w, mAndroid[1].h); 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 230b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian glEnable(GL_BLEND); 231b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian glBindTexture(GL_TEXTURE_2D, mAndroid[0].name); 232b24b2970a8ff713ece1b732b55cb064cb87eb1c7Mathias Agopian glDrawTexiOES(xc, yc, 0, mAndroid[0].w, mAndroid[0].h); 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 234627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian EGLBoolean res = eglSwapBuffers(mDisplay, mSurface); 235627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian if (res == EGL_FALSE) 236627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian break; 237627e7b50be41e4fdee758a1bfad3a55de56b4e27Mathias Agopian 23800f5eca412248a32325442c982f97303dacae94bMathias Agopian // 12fps: don't animate too fast to preserve CPU 23900f5eca412248a32325442c982f97303dacae94bMathias Agopian const nsecs_t sleepTime = 83333 - ns2us(systemTime() - now); 24000f5eca412248a32325442c982f97303dacae94bMathias Agopian if (sleepTime > 0) 24100f5eca412248a32325442c982f97303dacae94bMathias Agopian usleep(sleepTime); 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (!exitPending()); 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDeleteTextures(1, &mAndroid[0].name); 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDeleteTextures(1, &mAndroid[1].name); 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project; // namespace android 253