cmds/bootanimation/BootAnimation.cpp - platform/frameworks/base - Gitiles

 /*
  * 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 <binder/IPCThreadState.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/FramebufferNativeWindow.h>
 #include <ui/EGLUtils.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() : Thread(false)
 {
     mSession = new SurfaceComposerClient();
 }

 BootAnimation::~BootAnimation() {
 }

 void BootAnimation::onFirstRef() {
     status_t err = mSession->linkToComposerDeath(this);
     LOGE_IF(err, "linkToComposerDeath failed (%s) ", strerror(-err));
     if (err != NO_ERROR) {
         run("BootAnimation", PRIORITY_DISPLAY);
     }
 }

 sp<SurfaceComposerClient> BootAnimation::session() const {
     return mSession;
 }


 void BootAnimation::binderDied(const wp<IBinder>& who)
 {
     // woah, surfaceflinger died!
     LOGD("SurfaceFlinger died, exiting...");

     // calling requestExit() is not enough here because the Surface code
     // might be blocked on a condition variable that will never be updated.
     kill( getpid(), SIGKILL );
     requestExit();
 }

 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<SurfaceControl> control = session()->createSurface(
             getpid(), 0, dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565);
     session()->openTransaction();
     control->setLayer(0x40000000);
     session()->closeTransaction();

     sp<Surface> s = control->getSurface();

     // initialize opengl and egl
     const EGLint attribs[] = {
             EGL_DEPTH_SIZE, 0,
             EGL_NONE
     };
     EGLint w, h, dummy;
     EGLint numConfigs;
     EGLConfig config;
     EGLSurface surface;
     EGLContext context;

     EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);

     eglInitialize(display, 0, 0);
     EGLUtils::selectConfigForNativeWindow(display, attribs, s.get(), &config);
     surface = eglCreateWindowSurface(display, config, s.get(), NULL);
     context = eglCreateContext(display, config, NULL, NULL);
     eglQuerySurface(display, surface, EGL_WIDTH, &w);
     eglQuerySurface(display, surface, EGL_HEIGHT, &h);

     if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE)
         return NO_INIT;

     mDisplay = display;
     mContext = context;
     mSurface = surface;
     mWidth = w;
     mHeight = h;
     mFlingerSurfaceControl = control;
     mFlingerSurface = s;

     // initialize GL
     glShadeModel(GL_FLAT);
     glEnable(GL_TEXTURE_2D);
     glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

     return NO_ERROR;
 }

 bool BootAnimation::threadLoop() {
     bool r = android();
     eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
     eglDestroyContext(mDisplay, mContext);
     eglDestroySurface(mDisplay, mSurface);
     mFlingerSurface.clear();
     mFlingerSurfaceControl.clear();
     eglTerminate(mDisplay);
     IPCThreadState::self()->stopProcess();
     return r;
 }

 bool BootAnimation::android() {
     initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png");
     initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png");

     // clear screen
     glDisable(GL_DITHER);
     glDisable(GL_SCISSOR_TEST);
     glClear(GL_COLOR_BUFFER_BIT);
     eglSwapBuffers(mDisplay, mSurface);

     const GLint xc = (mWidth  - mAndroid[0].w) / 2;
     const GLint yc = (mHeight - mAndroid[0].h) / 2;
     const Rect updateRect(xc, yc, xc + mAndroid[0].w, yc + mAndroid[0].h);

     // draw and update only what we need
     mFlingerSurface->setSwapRectangle(updateRect);

     glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(),
             updateRect.height());

     // Blend state
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

     const nsecs_t startTime = systemTime();
     do {
         nsecs_t now = systemTime();
         double time = now - startTime;
         float t = 4.0f * float(time / us2ns(16667)) / mAndroid[1].w;
         GLint offset = (1 - (t - floorf(t))) * mAndroid[1].w;
         GLint x = xc - offset;

         glDisable(GL_SCISSOR_TEST);
         glClear(GL_COLOR_BUFFER_BIT);

         glEnable(GL_SCISSOR_TEST);
         glDisable(GL_BLEND);
         glBindTexture(GL_TEXTURE_2D, mAndroid[1].name);
         glDrawTexiOES(x,                 yc, 0, mAndroid[1].w, mAndroid[1].h);
         glDrawTexiOES(x + mAndroid[1].w, yc, 0, mAndroid[1].w, mAndroid[1].h);

         glEnable(GL_BLEND);
         glBindTexture(GL_TEXTURE_2D, mAndroid[0].name);
         glDrawTexiOES(xc, yc, 0, mAndroid[0].w, mAndroid[0].h);

         EGLBoolean res = eglSwapBuffers(mDisplay, mSurface);
         if (res == EGL_FALSE)
             break;

         // 12fps: don't animate too fast to preserve CPU
         const nsecs_t sleepTime = 83333 - ns2us(systemTime() - now);
         if (sleepTime > 0)
             usleep(sleepTime);
     } while (!exitPending());

     glDeleteTextures(1, &mAndroid[0].name);
     glDeleteTextures(1, &mAndroid[1].name);
     return false;
 }

 // ---------------------------------------------------------------------------

 }
 ; // namespace android
	/*
	* 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 <binder/IPCThreadState.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/FramebufferNativeWindow.h>
	#include <ui/EGLUtils.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() : Thread(false)
	{
	mSession = new SurfaceComposerClient();
	}

	BootAnimation::~BootAnimation() {
	}

	void BootAnimation::onFirstRef() {
	status_t err = mSession->linkToComposerDeath(this);
	LOGE_IF(err, "linkToComposerDeath failed (%s) ", strerror(-err));
	if (err != NO_ERROR) {
	run("BootAnimation", PRIORITY_DISPLAY);
	}
	}

	sp<SurfaceComposerClient> BootAnimation::session() const {
	return mSession;
	}


	void BootAnimation::binderDied(const wp<IBinder>& who)
	{
	// woah, surfaceflinger died!
	LOGD("SurfaceFlinger died, exiting...");

	// calling requestExit() is not enough here because the Surface code
	// might be blocked on a condition variable that will never be updated.
	kill( getpid(), SIGKILL );
	requestExit();
	}

	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<SurfaceControl> control = session()->createSurface(
	getpid(), 0, dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565);
	session()->openTransaction();
	control->setLayer(0x40000000);
	session()->closeTransaction();

	sp<Surface> s = control->getSurface();

	// initialize opengl and egl
	const EGLint attribs[] = {
	EGL_DEPTH_SIZE, 0,
	EGL_NONE
	};
	EGLint w, h, dummy;
	EGLint numConfigs;
	EGLConfig config;
	EGLSurface surface;
	EGLContext context;

	EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);

	eglInitialize(display, 0, 0);
	EGLUtils::selectConfigForNativeWindow(display, attribs, s.get(), &config);
	surface = eglCreateWindowSurface(display, config, s.get(), NULL);
	context = eglCreateContext(display, config, NULL, NULL);
	eglQuerySurface(display, surface, EGL_WIDTH, &w);
	eglQuerySurface(display, surface, EGL_HEIGHT, &h);

	if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE)
	return NO_INIT;

	mDisplay = display;
	mContext = context;
	mSurface = surface;
	mWidth = w;
	mHeight = h;
	mFlingerSurfaceControl = control;
	mFlingerSurface = s;

	// initialize GL
	glShadeModel(GL_FLAT);
	glEnable(GL_TEXTURE_2D);
	glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

	return NO_ERROR;
	}

	bool BootAnimation::threadLoop() {
	bool r = android();
	eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
	eglDestroyContext(mDisplay, mContext);
	eglDestroySurface(mDisplay, mSurface);
	mFlingerSurface.clear();
	mFlingerSurfaceControl.clear();
	eglTerminate(mDisplay);
	IPCThreadState::self()->stopProcess();
	return r;
	}

	bool BootAnimation::android() {
	initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png");
	initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png");

	// clear screen
	glDisable(GL_DITHER);
	glDisable(GL_SCISSOR_TEST);
	glClear(GL_COLOR_BUFFER_BIT);
	eglSwapBuffers(mDisplay, mSurface);

	const GLint xc = (mWidth - mAndroid[0].w) / 2;
	const GLint yc = (mHeight - mAndroid[0].h) / 2;
	const Rect updateRect(xc, yc, xc + mAndroid[0].w, yc + mAndroid[0].h);

	// draw and update only what we need
	mFlingerSurface->setSwapRectangle(updateRect);

	glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(),
	updateRect.height());

	// Blend state
	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
	glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

	const nsecs_t startTime = systemTime();
	do {
	nsecs_t now = systemTime();
	double time = now - startTime;
	float t = 4.0f * float(time / us2ns(16667)) / mAndroid[1].w;
	GLint offset = (1 - (t - floorf(t))) * mAndroid[1].w;
	GLint x = xc - offset;

	glDisable(GL_SCISSOR_TEST);
	glClear(GL_COLOR_BUFFER_BIT);

	glEnable(GL_SCISSOR_TEST);
	glDisable(GL_BLEND);
	glBindTexture(GL_TEXTURE_2D, mAndroid[1].name);
	glDrawTexiOES(x, yc, 0, mAndroid[1].w, mAndroid[1].h);
	glDrawTexiOES(x + mAndroid[1].w, yc, 0, mAndroid[1].w, mAndroid[1].h);

	glEnable(GL_BLEND);
	glBindTexture(GL_TEXTURE_2D, mAndroid[0].name);
	glDrawTexiOES(xc, yc, 0, mAndroid[0].w, mAndroid[0].h);

	EGLBoolean res = eglSwapBuffers(mDisplay, mSurface);
	if (res == EGL_FALSE)
	break;

	// 12fps: don't animate too fast to preserve CPU
	const nsecs_t sleepTime = 83333 - ns2us(systemTime() - now);
	if (sleepTime > 0)
	usleep(sleepTime);
	} while (!exitPending());

	glDeleteTextures(1, &mAndroid[0].name);
	glDeleteTextures(1, &mAndroid[1].name);
	return false;
	}

	// ---------------------------------------------------------------------------

	}
	; // namespace android