| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "BootAnimation" |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| #include <math.h> |
| #include <fcntl.h> |
| #include <utils/misc.h> |
| |
| #include <utils/threads.h> |
| #include <utils/Atomic.h> |
| #include <utils/Errors.h> |
| #include <utils/Log.h> |
| #include <utils/AssetManager.h> |
| |
| #include <ui/PixelFormat.h> |
| #include <ui/Rect.h> |
| #include <ui/Region.h> |
| #include <ui/DisplayInfo.h> |
| #include <ui/ISurfaceComposer.h> |
| #include <ui/ISurfaceFlingerClient.h> |
| #include <ui/EGLNativeWindowSurface.h> |
| |
| #include <core/SkBitmap.h> |
| #include <images/SkImageDecoder.h> |
| |
| #include <GLES/gl.h> |
| #include <GLES/glext.h> |
| #include <EGL/eglext.h> |
| |
| #include "BootAnimation.h" |
| |
| namespace android { |
| |
| // --------------------------------------------------------------------------- |
| |
| BootAnimation::BootAnimation(const sp<ISurfaceComposer>& composer) : |
| Thread(false) { |
| mSession = SurfaceComposerClient::clientForConnection( |
| composer->createConnection()->asBinder()); |
| } |
| |
| BootAnimation::~BootAnimation() { |
| } |
| |
| void BootAnimation::onFirstRef() { |
| run("BootAnimation", PRIORITY_DISPLAY); |
| } |
| |
| const sp<SurfaceComposerClient>& BootAnimation::session() const { |
| return mSession; |
| } |
| |
| status_t BootAnimation::initTexture(Texture* texture, AssetManager& assets, |
| const char* name) { |
| Asset* asset = assets.open(name, Asset::ACCESS_BUFFER); |
| if (!asset) |
| return NO_INIT; |
| SkBitmap bitmap; |
| SkImageDecoder::DecodeMemory(asset->getBuffer(false), asset->getLength(), |
| &bitmap, SkBitmap::kNo_Config, SkImageDecoder::kDecodePixels_Mode); |
| asset->close(); |
| delete asset; |
| |
| // ensure we can call getPixels(). No need to call unlock, since the |
| // bitmap will go out of scope when we return from this method. |
| bitmap.lockPixels(); |
| |
| const int w = bitmap.width(); |
| const int h = bitmap.height(); |
| const void* p = bitmap.getPixels(); |
| |
| GLint crop[4] = { 0, h, w, -h }; |
| texture->w = w; |
| texture->h = h; |
| |
| glGenTextures(1, &texture->name); |
| glBindTexture(GL_TEXTURE_2D, texture->name); |
| |
| switch (bitmap.getConfig()) { |
| case SkBitmap::kA8_Config: |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA, |
| GL_UNSIGNED_BYTE, p); |
| break; |
| case SkBitmap::kARGB_4444_Config: |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, |
| GL_UNSIGNED_SHORT_4_4_4_4, p); |
| break; |
| case SkBitmap::kARGB_8888_Config: |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, |
| GL_UNSIGNED_BYTE, p); |
| break; |
| case SkBitmap::kRGB_565_Config: |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, |
| GL_UNSIGNED_SHORT_5_6_5, p); |
| break; |
| default: |
| break; |
| } |
| |
| glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); |
| return NO_ERROR; |
| } |
| |
| status_t BootAnimation::readyToRun() { |
| mAssets.addDefaultAssets(); |
| |
| DisplayInfo dinfo; |
| status_t status = session()->getDisplayInfo(0, &dinfo); |
| if (status) |
| return -1; |
| |
| // create the native surface |
| sp<Surface> s = session()->createSurface(getpid(), 0, dinfo.w, dinfo.h, |
| PIXEL_FORMAT_RGB_565); |
| session()->openTransaction(); |
| s->setLayer(0x40000000); |
| session()->closeTransaction(); |
| |
| // initialize opengl and egl |
| const EGLint attribs[] = { EGL_RED_SIZE, 5, EGL_GREEN_SIZE, 6, |
| EGL_BLUE_SIZE, 5, EGL_DEPTH_SIZE, 0, EGL_NONE }; |
| EGLint w, h, dummy; |
| EGLint numConfigs; |
| EGLConfig config; |
| EGLSurface surface; |
| EGLContext context; |
| EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY); |
| eglChooseConfig(display, attribs, &config, 1, &numConfigs); |
| |
| mNativeWindowSurface = new EGLNativeWindowSurface(s); |
| surface = eglCreateWindowSurface(display, config, |
| mNativeWindowSurface.get(), NULL); |
| |
| context = eglCreateContext(display, config, NULL, NULL); |
| eglQuerySurface(display, surface, EGL_WIDTH, &w); |
| eglQuerySurface(display, surface, EGL_HEIGHT, &h); |
| eglMakeCurrent(display, surface, surface, context); |
| mDisplay = display; |
| mContext = context; |
| mSurface = surface; |
| mWidth = w; |
| mHeight = h; |
| mFlingerSurface = s; |
| |
| // initialize GL |
| glShadeModel(GL_FLAT); |
| glEnable(GL_DITHER); |
| glEnable(GL_TEXTURE_2D); |
| glEnable(GL_SCISSOR_TEST); |
| glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
| |
| return NO_ERROR; |
| } |
| |
| void BootAnimation::requestExit() { |
| mBarrier.open(); |
| Thread::requestExit(); |
| } |
| |
| bool BootAnimation::threadLoop() { |
| bool r = android(); |
| eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); |
| eglDestroyContext(mDisplay, mContext); |
| eglDestroySurface(mDisplay, mSurface); |
| mNativeWindowSurface.clear(); |
| return r; |
| } |
| |
| bool BootAnimation::android() { |
| initTexture(&mAndroid[0], mAssets, "images/android_320x480.png"); |
| initTexture(&mAndroid[1], mAssets, "images/boot_robot.png"); |
| initTexture(&mAndroid[2], mAssets, "images/boot_robot_glow.png"); |
| |
| // erase screen |
| glDisable(GL_SCISSOR_TEST); |
| glBindTexture(GL_TEXTURE_2D, mAndroid[0].name); |
| |
| // clear screen |
| glClear(GL_COLOR_BUFFER_BIT); |
| eglSwapBuffers(mDisplay, mSurface); |
| |
| // wait ~1s |
| usleep(800000); |
| |
| // fade in |
| glEnable(GL_BLEND); |
| glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
| glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
| const int steps = 8; |
| for (int i = 1; i < steps; i++) { |
| float fade = i / float(steps); |
| glColor4f(1, 1, 1, fade * fade); |
| glClear(GL_COLOR_BUFFER_BIT); |
| glDrawTexiOES(0, 0, 0, mAndroid[0].w, mAndroid[0].h); |
| eglSwapBuffers(mDisplay, mSurface); |
| } |
| |
| // draw last frame |
| glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
| glDisable(GL_BLEND); |
| glDrawTexiOES(0, 0, 0, mAndroid[0].w, mAndroid[0].h); |
| eglSwapBuffers(mDisplay, mSurface); |
| |
| // update rect for the robot |
| const int x = mWidth - mAndroid[1].w - 33; |
| const int y = (mHeight - mAndroid[1].h) / 2 - 1; |
| const Rect updateRect(x, y, x + mAndroid[1].w, y + mAndroid[1].h); |
| |
| // draw and update only what we need |
| mNativeWindowSurface->setSwapRectangle(updateRect.left, |
| updateRect.top, updateRect.width(), updateRect.height()); |
| |
| glEnable(GL_SCISSOR_TEST); |
| glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(), |
| updateRect.height()); |
| |
| const nsecs_t startTime = systemTime(); |
| do { |
| // glow speed and shape |
| nsecs_t time = systemTime() - startTime; |
| float t = ((4.0f / (360.0f * us2ns(16667))) * time); |
| t = t - floorf(t); |
| const float fade = 0.5f + 0.5f * sinf(t * 2 * M_PI); |
| |
| // fade the glow in and out |
| glDisable(GL_BLEND); |
| glBindTexture(GL_TEXTURE_2D, mAndroid[2].name); |
| glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
| glColor4f(fade, fade, fade, fade); |
| glDrawTexiOES(updateRect.left, mHeight - updateRect.bottom, 0, |
| updateRect.width(), updateRect.height()); |
| |
| // draw the robot |
| glEnable(GL_BLEND); |
| glBindTexture(GL_TEXTURE_2D, mAndroid[1].name); |
| glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
| glDrawTexiOES(updateRect.left, mHeight - updateRect.bottom, 0, |
| updateRect.width(), updateRect.height()); |
| |
| // make sure sleep a lot to not take too much CPU away from |
| // the boot process. With this "glow" animation there is no |
| // visible difference. |
| usleep(16667 * 4); |
| |
| eglSwapBuffers(mDisplay, mSurface); |
| } while (!exitPending()); |
| |
| glDeleteTextures(1, &mAndroid[0].name); |
| glDeleteTextures(1, &mAndroid[1].name); |
| glDeleteTextures(1, &mAndroid[2].name); |
| return false; |
| } |
| |
| bool BootAnimation::cylon() { |
| // initialize the textures... |
| initTexture(&mLeftTrail, mAssets, "images/cylon_left.png"); |
| initTexture(&mRightTrail, mAssets, "images/cylon_right.png"); |
| initTexture(&mBrightSpot, mAssets, "images/cylon_dot.png"); |
| |
| int w = mWidth; |
| int h = mHeight; |
| |
| const Point c(w / 2, h / 2); |
| const GLint amplitude = 60; |
| const int scx = c.x - amplitude - mBrightSpot.w / 2; |
| const int scy = c.y - mBrightSpot.h / 2; |
| const int scw = amplitude * 2 + mBrightSpot.w; |
| const int sch = mBrightSpot.h; |
| const Rect updateRect(scx, h - scy - sch, scx + scw, h - scy); |
| |
| // erase screen |
| glDisable(GL_SCISSOR_TEST); |
| glClear(GL_COLOR_BUFFER_BIT); |
| |
| eglSwapBuffers(mDisplay, mSurface); |
| |
| glClear(GL_COLOR_BUFFER_BIT); |
| |
| mNativeWindowSurface->setSwapRectangle(updateRect.left, |
| updateRect.top, updateRect.width(), updateRect.height()); |
| |
| glEnable(GL_SCISSOR_TEST); |
| glEnable(GL_BLEND); |
| glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); |
| |
| // clear the screen to white |
| Point p; |
| float t = 0; |
| float alpha = 1.0f; |
| const nsecs_t startTime = systemTime(); |
| nsecs_t fadeTime = 0; |
| |
| do { |
| // Set scissor in interesting area |
| glScissor(scx, scy, scw, sch); |
| |
| // erase screen |
| glClear(GL_COLOR_BUFFER_BIT); |
| |
| // compute wave |
| const float a = (t * 2 * M_PI) - M_PI / 2; |
| const float sn = sinf(a); |
| const float cs = cosf(a); |
| GLint x = GLint(amplitude * sn); |
| float derivative = cs; |
| |
| glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
| |
| if (derivative > 0) { |
| // vanishing trail... |
| p.x = (-amplitude + c.x) - mBrightSpot.w / 2; |
| p.y = c.y - mLeftTrail.h / 2; |
| float fade = 2.0f * (0.5f - t); |
| //fade *= fade; |
| glColor4f(fade, fade, fade, fade); |
| glBindTexture(GL_TEXTURE_2D, mLeftTrail.name); |
| glDrawTexiOES(p.x, p.y, 0, mLeftTrail.w, mLeftTrail.h); |
| |
| // trail... |
| p.x = (x + c.x) - (mRightTrail.w + mBrightSpot.w / 2) + 16; |
| p.y = c.y - mRightTrail.h / 2; |
| fade = t < 0.25f ? t * 4.0f : 1.0f; |
| fade *= fade; |
| glColor4f(fade, fade, fade, fade); |
| glBindTexture(GL_TEXTURE_2D, mRightTrail.name); |
| glDrawTexiOES(p.x, p.y, 0, mRightTrail.w, mRightTrail.h); |
| } else { |
| // vanishing trail.. |
| p.x = (amplitude + c.x) - (mRightTrail.w + mBrightSpot.w / 2) + 16; |
| p.y = c.y - mRightTrail.h / 2; |
| float fade = 2.0f * (0.5f - (t - 0.5f)); |
| //fade *= fade; |
| glColor4f(fade, fade, fade, fade); |
| glBindTexture(GL_TEXTURE_2D, mRightTrail.name); |
| glDrawTexiOES(p.x, p.y, 0, mRightTrail.w, mRightTrail.h); |
| |
| // trail... |
| p.x = (x + c.x) - mBrightSpot.w / 2; |
| p.y = c.y - mLeftTrail.h / 2; |
| fade = t < 0.5f + 0.25f ? (t - 0.5f) * 4.0f : 1.0f; |
| fade *= fade; |
| glColor4f(fade, fade, fade, fade); |
| glBindTexture(GL_TEXTURE_2D, mLeftTrail.name); |
| glDrawTexiOES(p.x, p.y, 0, mLeftTrail.w, mLeftTrail.h); |
| } |
| |
| const Point p(x + c.x - mBrightSpot.w / 2, c.y - mBrightSpot.h / 2); |
| glBindTexture(GL_TEXTURE_2D, mBrightSpot.name); |
| glColor4f(1, 0.5, 0.5, 1); |
| glDrawTexiOES(p.x, p.y, 0, mBrightSpot.w, mBrightSpot.h); |
| |
| // update animation |
| nsecs_t time = systemTime() - startTime; |
| t = ((4.0f / (360.0f * us2ns(16667))) * time); |
| t = t - floorf(t); |
| |
| eglSwapBuffers(mDisplay, mSurface); |
| |
| if (exitPending()) { |
| if (fadeTime == 0) { |
| fadeTime = time; |
| } |
| time -= fadeTime; |
| alpha = 1.0f - ((float(time) * 6.0f) / float(s2ns(1))); |
| |
| session()->openTransaction(); |
| mFlingerSurface->setAlpha(alpha * alpha); |
| session()->closeTransaction(); |
| } |
| } while (alpha > 0); |
| |
| // cleanup |
| glFinish(); |
| glDeleteTextures(1, &mLeftTrail.name); |
| glDeleteTextures(1, &mRightTrail.name); |
| glDeleteTextures(1, &mBrightSpot.name); |
| return false; |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| } |
| ; // namespace android |