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android_frameworks_base/cmds/bootanimation/BootAnimation.cpp
Lucas Dupin cd25684a0c Reload color sysprops after failing 
During OTA, sysprops aren't load as fast as during regular boot.
This causes the animation to not be able to pick up the dynamic colors.

We can mitigate this issue by trying to reload the sysprops at the
beginning of each animation part.

Test: manual
Bug: 227381265
Change-Id: I4397079aacc52acb5cda54a925f70e4f5c745b3f
2022-03-29 23:38:50 +00:00

1857 lines
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/*
* 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_NDEBUG 0
#define LOG_TAG "BootAnimation"
#include <vector>
#include <stdint.h>
#include <inttypes.h>
#include <sys/inotify.h>
#include <sys/poll.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <math.h>
#include <fcntl.h>
#include <utils/misc.h>
#include <signal.h>
#include <time.h>
#include <cutils/atomic.h>
#include <cutils/properties.h>
#include <android/imagedecoder.h>
#include <androidfw/AssetManager.h>
#include <binder/IPCThreadState.h>
#include <utils/Errors.h>
#include <utils/Log.h>
#include <utils/SystemClock.h>
#include <android-base/properties.h>
#include <ui/DisplayMode.h>
#include <ui/PixelFormat.h>
#include <ui/Rect.h>
#include <ui/Region.h>
#include <gui/ISurfaceComposer.h>
#include <gui/DisplayEventReceiver.h>
#include <gui/Surface.h>
#include <gui/SurfaceComposerClient.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <EGL/eglext.h>
#include "BootAnimation.h"
#define ANIM_PATH_MAX 255
#define STR(x) #x
#define STRTO(x) STR(x)
namespace android {
using ui::DisplayMode;
static const char OEM_BOOTANIMATION_FILE[] = "/oem/media/bootanimation.zip";
static const char PRODUCT_BOOTANIMATION_DARK_FILE[] = "/product/media/bootanimation-dark.zip";
static const char PRODUCT_BOOTANIMATION_FILE[] = "/product/media/bootanimation.zip";
static const char SYSTEM_BOOTANIMATION_FILE[] = "/system/media/bootanimation.zip";
static const char APEX_BOOTANIMATION_FILE[] = "/apex/com.android.bootanimation/etc/bootanimation.zip";
static const char PRODUCT_ENCRYPTED_BOOTANIMATION_FILE[] = "/product/media/bootanimation-encrypted.zip";
static const char SYSTEM_ENCRYPTED_BOOTANIMATION_FILE[] = "/system/media/bootanimation-encrypted.zip";
static const char OEM_SHUTDOWNANIMATION_FILE[] = "/oem/media/shutdownanimation.zip";
static const char PRODUCT_SHUTDOWNANIMATION_FILE[] = "/product/media/shutdownanimation.zip";
static const char SYSTEM_SHUTDOWNANIMATION_FILE[] = "/system/media/shutdownanimation.zip";
static constexpr const char* PRODUCT_USERSPACE_REBOOT_ANIMATION_FILE = "/product/media/userspace-reboot.zip";
static constexpr const char* OEM_USERSPACE_REBOOT_ANIMATION_FILE = "/oem/media/userspace-reboot.zip";
static constexpr const char* SYSTEM_USERSPACE_REBOOT_ANIMATION_FILE = "/system/media/userspace-reboot.zip";
static const char BOOTANIM_DATA_DIR_PATH[] = "/data/bootanim";
static const char BOOTANIM_TIME_DIR_NAME[] = "time";
static const char BOOTANIM_TIME_DIR_PATH[] = "/data/bootanim/time";
static const char CLOCK_FONT_ASSET[] = "images/clock_font.png";
static const char CLOCK_FONT_ZIP_NAME[] = "clock_font.png";
static const char PROGRESS_FONT_ASSET[] = "images/progress_font.png";
static const char PROGRESS_FONT_ZIP_NAME[] = "progress_font.png";
static const char LAST_TIME_CHANGED_FILE_NAME[] = "last_time_change";
static const char LAST_TIME_CHANGED_FILE_PATH[] = "/data/bootanim/time/last_time_change";
static const char ACCURATE_TIME_FLAG_FILE_NAME[] = "time_is_accurate";
static const char ACCURATE_TIME_FLAG_FILE_PATH[] = "/data/bootanim/time/time_is_accurate";
static const char TIME_FORMAT_12_HOUR_FLAG_FILE_PATH[] = "/data/bootanim/time/time_format_12_hour";
// Java timestamp format. Don't show the clock if the date is before 2000-01-01 00:00:00.
static const long long ACCURATE_TIME_EPOCH = 946684800000;
static constexpr char FONT_BEGIN_CHAR = ' ';
static constexpr char FONT_END_CHAR = '~' + 1;
static constexpr size_t FONT_NUM_CHARS = FONT_END_CHAR - FONT_BEGIN_CHAR + 1;
static constexpr size_t FONT_NUM_COLS = 16;
static constexpr size_t FONT_NUM_ROWS = FONT_NUM_CHARS / FONT_NUM_COLS;
static const int TEXT_CENTER_VALUE = INT_MAX;
static const int TEXT_MISSING_VALUE = INT_MIN;
static const char EXIT_PROP_NAME[] = "service.bootanim.exit";
static const char PROGRESS_PROP_NAME[] = "service.bootanim.progress";
static const char DISPLAYS_PROP_NAME[] = "persist.service.bootanim.displays";
static const char CLOCK_ENABLED_PROP_NAME[] = "persist.sys.bootanim.clock.enabled";
static const int ANIM_ENTRY_NAME_MAX = ANIM_PATH_MAX + 1;
static constexpr size_t TEXT_POS_LEN_MAX = 16;
static const int DYNAMIC_COLOR_COUNT = 4;
static const char U_TEXTURE[] = "uTexture";
static const char U_FADE[] = "uFade";
static const char U_CROP_AREA[] = "uCropArea";
static const char U_START_COLOR_PREFIX[] = "uStartColor";
static const char U_END_COLOR_PREFIX[] = "uEndColor";
static const char U_COLOR_PROGRESS[] = "uColorProgress";
static const char A_UV[] = "aUv";
static const char A_POSITION[] = "aPosition";
static const char VERTEX_SHADER_SOURCE[] = R"(
precision mediump float;
attribute vec4 aPosition;
attribute highp vec2 aUv;
varying highp vec2 vUv;
void main() {
gl_Position = aPosition;
vUv = aUv;
})";
static const char IMAGE_FRAG_DYNAMIC_COLORING_SHADER_SOURCE[] = R"(
precision mediump float;
const float cWhiteMaskThreshold = 0.05;
uniform sampler2D uTexture;
uniform float uFade;
uniform float uColorProgress;
uniform vec4 uStartColor0;
uniform vec4 uStartColor1;
uniform vec4 uStartColor2;
uniform vec4 uStartColor3;
uniform vec4 uEndColor0;
uniform vec4 uEndColor1;
uniform vec4 uEndColor2;
uniform vec4 uEndColor3;
varying highp vec2 vUv;
void main() {
vec4 mask = texture2D(uTexture, vUv);
float r = mask.r;
float g = mask.g;
float b = mask.b;
float a = mask.a;
// If all channels have values, render pixel as a shade of white.
float useWhiteMask = step(cWhiteMaskThreshold, r)
* step(cWhiteMaskThreshold, g)
* step(cWhiteMaskThreshold, b)
* step(cWhiteMaskThreshold, a);
vec4 color = r * mix(uStartColor0, uEndColor0, uColorProgress)
+ g * mix(uStartColor1, uEndColor1, uColorProgress)
+ b * mix(uStartColor2, uEndColor2, uColorProgress)
+ a * mix(uStartColor3, uEndColor3, uColorProgress);
color = mix(color, vec4(vec3((r + g + b + a) * 0.25), 1.0), useWhiteMask);
gl_FragColor = vec4(color.x, color.y, color.z, (1.0 - uFade)) * color.a;
})";
static const char IMAGE_FRAG_SHADER_SOURCE[] = R"(
precision mediump float;
uniform sampler2D uTexture;
uniform float uFade;
varying highp vec2 vUv;
void main() {
vec4 color = texture2D(uTexture, vUv);
gl_FragColor = vec4(color.x, color.y, color.z, (1.0 - uFade)) * color.a;
})";
static const char TEXT_FRAG_SHADER_SOURCE[] = R"(
precision mediump float;
uniform sampler2D uTexture;
uniform vec4 uCropArea;
varying highp vec2 vUv;
void main() {
vec2 uv = vec2(mix(uCropArea.x, uCropArea.z, vUv.x),
mix(uCropArea.y, uCropArea.w, vUv.y));
gl_FragColor = texture2D(uTexture, uv);
})";
static GLfloat quadPositions[] = {
-0.5f, -0.5f,
+0.5f, -0.5f,
+0.5f, +0.5f,
+0.5f, +0.5f,
-0.5f, +0.5f,
-0.5f, -0.5f
};
static GLfloat quadUVs[] = {
0.0f, 1.0f,
1.0f, 1.0f,
1.0f, 0.0f,
1.0f, 0.0f,
0.0f, 0.0f,
0.0f, 1.0f
};
// ---------------------------------------------------------------------------
BootAnimation::BootAnimation(sp<Callbacks> callbacks)
: Thread(false), mLooper(new Looper(false)), mClockEnabled(true), mTimeIsAccurate(false),
mTimeFormat12Hour(false), mTimeCheckThread(nullptr), mCallbacks(callbacks) {
mSession = new SurfaceComposerClient();
std::string powerCtl = android::base::GetProperty("sys.powerctl", "");
if (powerCtl.empty()) {
mShuttingDown = false;
} else {
mShuttingDown = true;
}
ALOGD("%sAnimationStartTiming start time: %" PRId64 "ms", mShuttingDown ? "Shutdown" : "Boot",
elapsedRealtime());
}
BootAnimation::~BootAnimation() {
if (mAnimation != nullptr) {
releaseAnimation(mAnimation);
mAnimation = nullptr;
}
ALOGD("%sAnimationStopTiming start time: %" PRId64 "ms", mShuttingDown ? "Shutdown" : "Boot",
elapsedRealtime());
}
void BootAnimation::onFirstRef() {
status_t err = mSession->linkToComposerDeath(this);
SLOGE_IF(err, "linkToComposerDeath failed (%s) ", strerror(-err));
if (err == NO_ERROR) {
// Load the animation content -- this can be slow (eg 200ms)
// called before waitForSurfaceFlinger() in main() to avoid wait
ALOGD("%sAnimationPreloadTiming start time: %" PRId64 "ms",
mShuttingDown ? "Shutdown" : "Boot", elapsedRealtime());
preloadAnimation();
ALOGD("%sAnimationPreloadStopTiming start time: %" PRId64 "ms",
mShuttingDown ? "Shutdown" : "Boot", elapsedRealtime());
}
}
sp<SurfaceComposerClient> BootAnimation::session() const {
return mSession;
}
void BootAnimation::binderDied(const wp<IBinder>&) {
// woah, surfaceflinger died!
SLOGD("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();
}
static void* decodeImage(const void* encodedData, size_t dataLength, AndroidBitmapInfo* outInfo,
bool premultiplyAlpha) {
AImageDecoder* decoder = nullptr;
AImageDecoder_createFromBuffer(encodedData, dataLength, &decoder);
if (!decoder) {
return nullptr;
}
const AImageDecoderHeaderInfo* info = AImageDecoder_getHeaderInfo(decoder);
outInfo->width = AImageDecoderHeaderInfo_getWidth(info);
outInfo->height = AImageDecoderHeaderInfo_getHeight(info);
outInfo->format = AImageDecoderHeaderInfo_getAndroidBitmapFormat(info);
outInfo->stride = AImageDecoder_getMinimumStride(decoder);
outInfo->flags = 0;
if (!premultiplyAlpha) {
AImageDecoder_setUnpremultipliedRequired(decoder, true);
}
const size_t size = outInfo->stride * outInfo->height;
void* pixels = malloc(size);
int result = AImageDecoder_decodeImage(decoder, pixels, outInfo->stride, size);
AImageDecoder_delete(decoder);
if (result != ANDROID_IMAGE_DECODER_SUCCESS) {
free(pixels);
return nullptr;
}
return pixels;
}
status_t BootAnimation::initTexture(Texture* texture, AssetManager& assets,
const char* name, bool premultiplyAlpha) {
Asset* asset = assets.open(name, Asset::ACCESS_BUFFER);
if (asset == nullptr)
return NO_INIT;
AndroidBitmapInfo bitmapInfo;
void* pixels = decodeImage(asset->getBuffer(false), asset->getLength(), &bitmapInfo,
premultiplyAlpha);
auto pixelDeleter = std::unique_ptr<void, decltype(free)*>{ pixels, free };
asset->close();
delete asset;
if (!pixels) {
return NO_INIT;
}
const int w = bitmapInfo.width;
const int h = bitmapInfo.height;
texture->w = w;
texture->h = h;
glGenTextures(1, &texture->name);
glBindTexture(GL_TEXTURE_2D, texture->name);
switch (bitmapInfo.format) {
case ANDROID_BITMAP_FORMAT_A_8:
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA,
GL_UNSIGNED_BYTE, pixels);
break;
case ANDROID_BITMAP_FORMAT_RGBA_4444:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
GL_UNSIGNED_SHORT_4_4_4_4, pixels);
break;
case ANDROID_BITMAP_FORMAT_RGBA_8888:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
GL_UNSIGNED_BYTE, pixels);
break;
case ANDROID_BITMAP_FORMAT_RGB_565:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB,
GL_UNSIGNED_SHORT_5_6_5, pixels);
break;
default:
break;
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
return NO_ERROR;
}
status_t BootAnimation::initTexture(FileMap* map, int* width, int* height,
bool premultiplyAlpha) {
AndroidBitmapInfo bitmapInfo;
void* pixels = decodeImage(map->getDataPtr(), map->getDataLength(), &bitmapInfo,
premultiplyAlpha);
auto pixelDeleter = std::unique_ptr<void, decltype(free)*>{ pixels, free };
// FileMap memory is never released until application exit.
// Release it now as the texture is already loaded and the memory used for
// the packed resource can be released.
delete map;
if (!pixels) {
return NO_INIT;
}
const int w = bitmapInfo.width;
const int h = bitmapInfo.height;
int tw = 1 << (31 - __builtin_clz(w));
int th = 1 << (31 - __builtin_clz(h));
if (tw < w) tw <<= 1;
if (th < h) th <<= 1;
switch (bitmapInfo.format) {
case ANDROID_BITMAP_FORMAT_RGBA_8888:
if (!mUseNpotTextures && (tw != w || th != h)) {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA,
GL_UNSIGNED_BYTE, nullptr);
glTexSubImage2D(GL_TEXTURE_2D, 0,
0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
} else {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
GL_UNSIGNED_BYTE, pixels);
}
break;
case ANDROID_BITMAP_FORMAT_RGB_565:
if (!mUseNpotTextures && (tw != w || th != h)) {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB,
GL_UNSIGNED_SHORT_5_6_5, nullptr);
glTexSubImage2D(GL_TEXTURE_2D, 0,
0, 0, w, h, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, pixels);
} else {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB,
GL_UNSIGNED_SHORT_5_6_5, pixels);
}
break;
default:
break;
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
*width = w;
*height = h;
return NO_ERROR;
}
class BootAnimation::DisplayEventCallback : public LooperCallback {
BootAnimation* mBootAnimation;
public:
DisplayEventCallback(BootAnimation* bootAnimation) {
mBootAnimation = bootAnimation;
}
int handleEvent(int /* fd */, int events, void* /* data */) {
if (events & (Looper::EVENT_ERROR | Looper::EVENT_HANGUP)) {
ALOGE("Display event receiver pipe was closed or an error occurred. events=0x%x",
events);
return 0; // remove the callback
}
if (!(events & Looper::EVENT_INPUT)) {
ALOGW("Received spurious callback for unhandled poll event. events=0x%x", events);
return 1; // keep the callback
}
constexpr int kBufferSize = 100;
DisplayEventReceiver::Event buffer[kBufferSize];
ssize_t numEvents;
do {
numEvents = mBootAnimation->mDisplayEventReceiver->getEvents(buffer, kBufferSize);
for (size_t i = 0; i < static_cast<size_t>(numEvents); i++) {
const auto& event = buffer[i];
if (event.header.type == DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG) {
SLOGV("Hotplug received");
if (!event.hotplug.connected) {
// ignore hotplug disconnect
continue;
}
auto token = SurfaceComposerClient::getPhysicalDisplayToken(
event.header.displayId);
if (token != mBootAnimation->mDisplayToken) {
// ignore hotplug of a secondary display
continue;
}
DisplayMode displayMode;
const status_t error = SurfaceComposerClient::getActiveDisplayMode(
mBootAnimation->mDisplayToken, &displayMode);
if (error != NO_ERROR) {
SLOGE("Can't get active display mode.");
}
mBootAnimation->resizeSurface(displayMode.resolution.getWidth(),
displayMode.resolution.getHeight());
}
}
} while (numEvents > 0);
return 1; // keep the callback
}
};
EGLConfig BootAnimation::getEglConfig(const EGLDisplay& display) {
const EGLint attribs[] = {
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_DEPTH_SIZE, 0,
EGL_NONE
};
EGLint numConfigs;
EGLConfig config;
eglChooseConfig(display, attribs, &config, 1, &numConfigs);
return config;
}
ui::Size BootAnimation::limitSurfaceSize(int width, int height) const {
ui::Size limited(width, height);
bool wasLimited = false;
const float aspectRatio = float(width) / float(height);
if (mMaxWidth != 0 && width > mMaxWidth) {
limited.height = mMaxWidth / aspectRatio;
limited.width = mMaxWidth;
wasLimited = true;
}
if (mMaxHeight != 0 && limited.height > mMaxHeight) {
limited.height = mMaxHeight;
limited.width = mMaxHeight * aspectRatio;
wasLimited = true;
}
SLOGV_IF(wasLimited, "Surface size has been limited to [%dx%d] from [%dx%d]",
limited.width, limited.height, width, height);
return limited;
}
status_t BootAnimation::readyToRun() {
mAssets.addDefaultAssets();
mDisplayToken = SurfaceComposerClient::getInternalDisplayToken();
if (mDisplayToken == nullptr)
return NAME_NOT_FOUND;
DisplayMode displayMode;
const status_t error =
SurfaceComposerClient::getActiveDisplayMode(mDisplayToken, &displayMode);
if (error != NO_ERROR)
return error;
mMaxWidth = android::base::GetIntProperty("ro.surface_flinger.max_graphics_width", 0);
mMaxHeight = android::base::GetIntProperty("ro.surface_flinger.max_graphics_height", 0);
ui::Size resolution = displayMode.resolution;
resolution = limitSurfaceSize(resolution.width, resolution.height);
// create the native surface
sp<SurfaceControl> control = session()->createSurface(String8("BootAnimation"),
resolution.getWidth(), resolution.getHeight(), PIXEL_FORMAT_RGB_565);
SurfaceComposerClient::Transaction t;
// this guest property specifies multi-display IDs to show the boot animation
// multiple ids can be set with comma (,) as separator, for example:
// setprop persist.boot.animation.displays 19260422155234049,19261083906282754
Vector<PhysicalDisplayId> physicalDisplayIds;
char displayValue[PROPERTY_VALUE_MAX] = "";
property_get(DISPLAYS_PROP_NAME, displayValue, "");
bool isValid = displayValue[0] != '\0';
if (isValid) {
char *p = displayValue;
while (*p) {
if (!isdigit(*p) && *p != ',') {
isValid = false;
break;
}
p ++;
}
if (!isValid)
SLOGE("Invalid syntax for the value of system prop: %s", DISPLAYS_PROP_NAME);
}
if (isValid) {
std::istringstream stream(displayValue);
for (PhysicalDisplayId id; stream >> id.value; ) {
physicalDisplayIds.add(id);
if (stream.peek() == ',')
stream.ignore();
}
// In the case of multi-display, boot animation shows on the specified displays
// in addition to the primary display
const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
for (const auto id : physicalDisplayIds) {
if (std::find(ids.begin(), ids.end(), id) != ids.end()) {
if (const auto token = SurfaceComposerClient::getPhysicalDisplayToken(id)) {
t.setDisplayLayerStack(token, ui::DEFAULT_LAYER_STACK);
}
}
}
t.setLayerStack(control, ui::DEFAULT_LAYER_STACK);
}
t.setLayer(control, 0x40000000)
.apply();
sp<Surface> s = control->getSurface();
// initialize opengl and egl
EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
eglInitialize(display, nullptr, nullptr);
EGLConfig config = getEglConfig(display);
EGLSurface surface = eglCreateWindowSurface(display, config, s.get(), nullptr);
// Initialize egl context with client version number 2.0.
EGLint contextAttributes[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
EGLContext context = eglCreateContext(display, config, nullptr, contextAttributes);
EGLint w, h;
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;
mTargetInset = -1;
projectSceneToWindow();
// Register a display event receiver
mDisplayEventReceiver = std::make_unique<DisplayEventReceiver>();
status_t status = mDisplayEventReceiver->initCheck();
SLOGE_IF(status != NO_ERROR, "Initialization of DisplayEventReceiver failed with status: %d",
status);
mLooper->addFd(mDisplayEventReceiver->getFd(), 0, Looper::EVENT_INPUT,
new DisplayEventCallback(this), nullptr);
return NO_ERROR;
}
void BootAnimation::projectSceneToWindow() {
glViewport(0, 0, mWidth, mHeight);
glScissor(0, 0, mWidth, mHeight);
}
void BootAnimation::resizeSurface(int newWidth, int newHeight) {
// We assume this function is called on the animation thread.
if (newWidth == mWidth && newHeight == mHeight) {
return;
}
SLOGV("Resizing the boot animation surface to %d %d", newWidth, newHeight);
eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroySurface(mDisplay, mSurface);
const auto limitedSize = limitSurfaceSize(newWidth, newHeight);
mWidth = limitedSize.width;
mHeight = limitedSize.height;
SurfaceComposerClient::Transaction t;
t.setSize(mFlingerSurfaceControl, mWidth, mHeight);
t.apply();
EGLConfig config = getEglConfig(mDisplay);
EGLSurface surface = eglCreateWindowSurface(mDisplay, config, mFlingerSurface.get(), nullptr);
if (eglMakeCurrent(mDisplay, surface, surface, mContext) == EGL_FALSE) {
SLOGE("Can't make the new surface current. Error %d", eglGetError());
return;
}
projectSceneToWindow();
mSurface = surface;
}
bool BootAnimation::preloadAnimation() {
findBootAnimationFile();
if (!mZipFileName.isEmpty()) {
mAnimation = loadAnimation(mZipFileName);
return (mAnimation != nullptr);
}
return false;
}
bool BootAnimation::findBootAnimationFileInternal(const std::vector<std::string> &files) {
for (const std::string& f : files) {
if (access(f.c_str(), R_OK) == 0) {
mZipFileName = f.c_str();
return true;
}
}
return false;
}
void BootAnimation::findBootAnimationFile() {
// If the device has encryption turned on or is in process
// of being encrypted we show the encrypted boot animation.
char decrypt[PROPERTY_VALUE_MAX];
property_get("vold.decrypt", decrypt, "");
bool encryptedAnimation = atoi(decrypt) != 0 ||
!strcmp("trigger_restart_min_framework", decrypt);
if (!mShuttingDown && encryptedAnimation) {
static const std::vector<std::string> encryptedBootFiles = {
PRODUCT_ENCRYPTED_BOOTANIMATION_FILE, SYSTEM_ENCRYPTED_BOOTANIMATION_FILE,
};
if (findBootAnimationFileInternal(encryptedBootFiles)) {
return;
}
}
const bool playDarkAnim = android::base::GetIntProperty("ro.boot.theme", 0) == 1;
static const std::vector<std::string> bootFiles = {
APEX_BOOTANIMATION_FILE, playDarkAnim ? PRODUCT_BOOTANIMATION_DARK_FILE : PRODUCT_BOOTANIMATION_FILE,
OEM_BOOTANIMATION_FILE, SYSTEM_BOOTANIMATION_FILE
};
static const std::vector<std::string> shutdownFiles = {
PRODUCT_SHUTDOWNANIMATION_FILE, OEM_SHUTDOWNANIMATION_FILE, SYSTEM_SHUTDOWNANIMATION_FILE, ""
};
static const std::vector<std::string> userspaceRebootFiles = {
PRODUCT_USERSPACE_REBOOT_ANIMATION_FILE, OEM_USERSPACE_REBOOT_ANIMATION_FILE,
SYSTEM_USERSPACE_REBOOT_ANIMATION_FILE,
};
if (android::base::GetBoolProperty("sys.init.userspace_reboot.in_progress", false)) {
findBootAnimationFileInternal(userspaceRebootFiles);
} else if (mShuttingDown) {
findBootAnimationFileInternal(shutdownFiles);
} else {
findBootAnimationFileInternal(bootFiles);
}
}
GLuint compileShader(GLenum shaderType, const GLchar *source) {
GLuint shader = glCreateShader(shaderType);
glShaderSource(shader, 1, &source, 0);
glCompileShader(shader);
GLint isCompiled = 0;
glGetShaderiv(shader, GL_COMPILE_STATUS, &isCompiled);
if (isCompiled == GL_FALSE) {
SLOGE("Compile shader failed. Shader type: %d", shaderType);
GLint maxLength = 0;
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &maxLength);
std::vector<GLchar> errorLog(maxLength);
glGetShaderInfoLog(shader, maxLength, &maxLength, &errorLog[0]);
SLOGE("Shader compilation error: %s", &errorLog[0]);
return 0;
}
return shader;
}
GLuint linkShader(GLuint vertexShader, GLuint fragmentShader) {
GLuint program = glCreateProgram();
glAttachShader(program, vertexShader);
glAttachShader(program, fragmentShader);
glLinkProgram(program);
GLint isLinked = 0;
glGetProgramiv(program, GL_LINK_STATUS, (int *)&isLinked);
if (isLinked == GL_FALSE) {
SLOGE("Linking shader failed. Shader handles: vert %d, frag %d",
vertexShader, fragmentShader);
return 0;
}
return program;
}
void BootAnimation::initShaders() {
bool dynamicColoringEnabled = mAnimation != nullptr && mAnimation->dynamicColoringEnabled;
GLuint vertexShader = compileShader(GL_VERTEX_SHADER, (const GLchar *)VERTEX_SHADER_SOURCE);
GLuint imageFragmentShader =
compileShader(GL_FRAGMENT_SHADER, dynamicColoringEnabled
? (const GLchar *)IMAGE_FRAG_DYNAMIC_COLORING_SHADER_SOURCE
: (const GLchar *)IMAGE_FRAG_SHADER_SOURCE);
GLuint textFragmentShader =
compileShader(GL_FRAGMENT_SHADER, (const GLchar *)TEXT_FRAG_SHADER_SOURCE);
// Initialize image shader.
mImageShader = linkShader(vertexShader, imageFragmentShader);
GLint positionLocation = glGetAttribLocation(mImageShader, A_POSITION);
GLint uvLocation = glGetAttribLocation(mImageShader, A_UV);
mImageTextureLocation = glGetUniformLocation(mImageShader, U_TEXTURE);
mImageFadeLocation = glGetUniformLocation(mImageShader, U_FADE);
glEnableVertexAttribArray(positionLocation);
glVertexAttribPointer(positionLocation, 2, GL_FLOAT, GL_FALSE, 0, quadPositions);
glVertexAttribPointer(uvLocation, 2, GL_FLOAT, GL_FALSE, 0, quadUVs);
glEnableVertexAttribArray(uvLocation);
// Initialize text shader.
mTextShader = linkShader(vertexShader, textFragmentShader);
positionLocation = glGetAttribLocation(mTextShader, A_POSITION);
uvLocation = glGetAttribLocation(mTextShader, A_UV);
mTextTextureLocation = glGetUniformLocation(mTextShader, U_TEXTURE);
mTextCropAreaLocation = glGetUniformLocation(mTextShader, U_CROP_AREA);
glEnableVertexAttribArray(positionLocation);
glVertexAttribPointer(positionLocation, 2, GL_FLOAT, GL_FALSE, 0, quadPositions);
glVertexAttribPointer(uvLocation, 2, GL_FLOAT, GL_FALSE, 0, quadUVs);
glEnableVertexAttribArray(uvLocation);
}
bool BootAnimation::threadLoop() {
bool result;
initShaders();
// We have no bootanimation file, so we use the stock android logo
// animation.
if (mZipFileName.isEmpty()) {
ALOGD("No animation file");
result = android();
} else {
result = movie();
}
mCallbacks->shutdown();
eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroyContext(mDisplay, mContext);
eglDestroySurface(mDisplay, mSurface);
mFlingerSurface.clear();
mFlingerSurfaceControl.clear();
eglTerminate(mDisplay);
eglReleaseThread();
IPCThreadState::self()->stopProcess();
return result;
}
bool BootAnimation::android() {
glActiveTexture(GL_TEXTURE0);
SLOGD("%sAnimationShownTiming start time: %" PRId64 "ms", mShuttingDown ? "Shutdown" : "Boot",
elapsedRealtime());
initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png");
initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png");
mCallbacks->init({});
// clear screen
glDisable(GL_DITHER);
glDisable(GL_SCISSOR_TEST);
glUseProgram(mImageShader);
glClearColor(0,0,0,1);
glClear(GL_COLOR_BUFFER_BIT);
eglSwapBuffers(mDisplay, mSurface);
// Blend state
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
const nsecs_t startTime = systemTime();
do {
processDisplayEvents();
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);
glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(),
updateRect.height());
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);
drawTexturedQuad(x, yc, mAndroid[1].w, mAndroid[1].h);
drawTexturedQuad(x + mAndroid[1].w, yc, mAndroid[1].w, mAndroid[1].h);
glEnable(GL_BLEND);
glBindTexture(GL_TEXTURE_2D, mAndroid[0].name);
drawTexturedQuad(xc, yc, 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);
checkExit();
} while (!exitPending());
glDeleteTextures(1, &mAndroid[0].name);
glDeleteTextures(1, &mAndroid[1].name);
return false;
}
void BootAnimation::checkExit() {
// Allow surface flinger to gracefully request shutdown
char value[PROPERTY_VALUE_MAX];
property_get(EXIT_PROP_NAME, value, "0");
int exitnow = atoi(value);
if (exitnow) {
requestExit();
}
}
bool BootAnimation::validClock(const Animation::Part& part) {
return part.clockPosX != TEXT_MISSING_VALUE && part.clockPosY != TEXT_MISSING_VALUE;
}
bool parseTextCoord(const char* str, int* dest) {
if (strcmp("c", str) == 0) {
*dest = TEXT_CENTER_VALUE;
return true;
}
char* end;
int val = (int) strtol(str, &end, 0);
if (end == str || *end != '\0' || val == INT_MAX || val == INT_MIN) {
return false;
}
*dest = val;
return true;
}
// Parse two position coordinates. If only string is non-empty, treat it as the y value.
void parsePosition(const char* str1, const char* str2, int* x, int* y) {
bool success = false;
if (strlen(str1) == 0) { // No values were specified
// success = false
} else if (strlen(str2) == 0) { // we have only one value
if (parseTextCoord(str1, y)) {
*x = TEXT_CENTER_VALUE;
success = true;
}
} else {
if (parseTextCoord(str1, x) && parseTextCoord(str2, y)) {
success = true;
}
}
if (!success) {
*x = TEXT_MISSING_VALUE;
*y = TEXT_MISSING_VALUE;
}
}
// Parse a color represented as an HTML-style 'RRGGBB' string: each pair of
// characters in str is a hex number in [0, 255], which are converted to
// floating point values in the range [0.0, 1.0] and placed in the
// corresponding elements of color.
//
// If the input string isn't valid, parseColor returns false and color is
// left unchanged.
static bool parseColor(const char str[7], float color[3]) {
float tmpColor[3];
for (int i = 0; i < 3; i++) {
int val = 0;
for (int j = 0; j < 2; j++) {
val *= 16;
char c = str[2*i + j];
if (c >= '0' && c <= '9') val += c - '0';
else if (c >= 'A' && c <= 'F') val += (c - 'A') + 10;
else if (c >= 'a' && c <= 'f') val += (c - 'a') + 10;
else return false;
}
tmpColor[i] = static_cast<float>(val) / 255.0f;
}
memcpy(color, tmpColor, sizeof(tmpColor));
return true;
}
// Parse a color represented as a signed decimal int string.
// E.g. "-2757722" (whose hex 2's complement is 0xFFD5EBA6).
// If the input color string is empty, set color with values in defaultColor.
static void parseColorDecimalString(const std::string& colorString,
float color[3], float defaultColor[3]) {
if (colorString == "") {
memcpy(color, defaultColor, sizeof(float) * 3);
return;
}
int colorInt = atoi(colorString.c_str());
color[0] = ((float)((colorInt >> 16) & 0xFF)) / 0xFF; // r
color[1] = ((float)((colorInt >> 8) & 0xFF)) / 0xFF; // g
color[2] = ((float)(colorInt & 0xFF)) / 0xFF; // b
}
static bool readFile(ZipFileRO* zip, const char* name, String8& outString) {
ZipEntryRO entry = zip->findEntryByName(name);
SLOGE_IF(!entry, "couldn't find %s", name);
if (!entry) {
return false;
}
FileMap* entryMap = zip->createEntryFileMap(entry);
zip->releaseEntry(entry);
SLOGE_IF(!entryMap, "entryMap is null");
if (!entryMap) {
return false;
}
outString.setTo((char const*)entryMap->getDataPtr(), entryMap->getDataLength());
delete entryMap;
return true;
}
// The font image should be a 96x2 array of character images. The
// columns are the printable ASCII characters 0x20 - 0x7f. The
// top row is regular text; the bottom row is bold.
status_t BootAnimation::initFont(Font* font, const char* fallback) {
status_t status = NO_ERROR;
if (font->map != nullptr) {
glGenTextures(1, &font->texture.name);
glBindTexture(GL_TEXTURE_2D, font->texture.name);
status = initTexture(font->map, &font->texture.w, &font->texture.h);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
} else if (fallback != nullptr) {
status = initTexture(&font->texture, mAssets, fallback);
} else {
return NO_INIT;
}
if (status == NO_ERROR) {
font->char_width = font->texture.w / FONT_NUM_COLS;
font->char_height = font->texture.h / FONT_NUM_ROWS / 2; // There are bold and regular rows
}
return status;
}
void BootAnimation::drawText(const char* str, const Font& font, bool bold, int* x, int* y) {
glEnable(GL_BLEND); // Allow us to draw on top of the animation
glBindTexture(GL_TEXTURE_2D, font.texture.name);
glUseProgram(mTextShader);
glUniform1i(mTextTextureLocation, 0);
const int len = strlen(str);
const int strWidth = font.char_width * len;
if (*x == TEXT_CENTER_VALUE) {
*x = (mWidth - strWidth) / 2;
} else if (*x < 0) {
*x = mWidth + *x - strWidth;
}
if (*y == TEXT_CENTER_VALUE) {
*y = (mHeight - font.char_height) / 2;
} else if (*y < 0) {
*y = mHeight + *y - font.char_height;
}
for (int i = 0; i < len; i++) {
char c = str[i];
if (c < FONT_BEGIN_CHAR || c > FONT_END_CHAR) {
c = '?';
}
// Crop the texture to only the pixels in the current glyph
const int charPos = (c - FONT_BEGIN_CHAR); // Position in the list of valid characters
const int row = charPos / FONT_NUM_COLS;
const int col = charPos % FONT_NUM_COLS;
// Bold fonts are expected in the second half of each row.
float v0 = (row + (bold ? 0.5f : 0.0f)) / FONT_NUM_ROWS;
float u0 = ((float)col) / FONT_NUM_COLS;
float v1 = v0 + 1.0f / FONT_NUM_ROWS / 2;
float u1 = u0 + 1.0f / FONT_NUM_COLS;
glUniform4f(mTextCropAreaLocation, u0, v0, u1, v1);
drawTexturedQuad(*x, *y, font.char_width, font.char_height);
*x += font.char_width;
}
glDisable(GL_BLEND); // Return to the animation's default behaviour
glBindTexture(GL_TEXTURE_2D, 0);
}
// We render 12 or 24 hour time.
void BootAnimation::drawClock(const Font& font, const int xPos, const int yPos) {
static constexpr char TIME_FORMAT_12[] = "%l:%M";
static constexpr char TIME_FORMAT_24[] = "%H:%M";
static constexpr int TIME_LENGTH = 6;
time_t rawtime;
time(&rawtime);
struct tm* timeInfo = localtime(&rawtime);
char timeBuff[TIME_LENGTH];
const char* timeFormat = mTimeFormat12Hour ? TIME_FORMAT_12 : TIME_FORMAT_24;
size_t length = strftime(timeBuff, TIME_LENGTH, timeFormat, timeInfo);
if (length != TIME_LENGTH - 1) {
SLOGE("Couldn't format time; abandoning boot animation clock");
mClockEnabled = false;
return;
}
char* out = timeBuff[0] == ' ' ? &timeBuff[1] : &timeBuff[0];
int x = xPos;
int y = yPos;
drawText(out, font, false, &x, &y);
}
void BootAnimation::drawProgress(int percent, const Font& font, const int xPos, const int yPos) {
static constexpr int PERCENT_LENGTH = 5;
char percentBuff[PERCENT_LENGTH];
// ';' has the ascii code just after ':', and the font resource contains '%'
// for that ascii code.
sprintf(percentBuff, "%d;", percent);
int x = xPos;
int y = yPos;
drawText(percentBuff, font, false, &x, &y);
}
bool BootAnimation::parseAnimationDesc(Animation& animation) {
String8 desString;
if (!readFile(animation.zip, "desc.txt", desString)) {
return false;
}
char const* s = desString.string();
std::string dynamicColoringPartName = "";
bool postDynamicColoring = false;
// Parse the description file
for (;;) {
const char* endl = strstr(s, "\n");
if (endl == nullptr) break;
String8 line(s, endl - s);
const char* l = line.string();
int fps = 0;
int width = 0;
int height = 0;
int count = 0;
int pause = 0;
int progress = 0;
int framesToFadeCount = 0;
int colorTransitionStart = 0;
int colorTransitionEnd = 0;
char path[ANIM_ENTRY_NAME_MAX];
char color[7] = "000000"; // default to black if unspecified
char clockPos1[TEXT_POS_LEN_MAX + 1] = "";
char clockPos2[TEXT_POS_LEN_MAX + 1] = "";
char dynamicColoringPartNameBuffer[ANIM_ENTRY_NAME_MAX];
char pathType;
// start colors default to black if unspecified
char start_color_0[7] = "000000";
char start_color_1[7] = "000000";
char start_color_2[7] = "000000";
char start_color_3[7] = "000000";
int nextReadPos;
int topLineNumbers = sscanf(l, "%d %d %d %d", &width, &height, &fps, &progress);
if (topLineNumbers == 3 || topLineNumbers == 4) {
// SLOGD("> w=%d, h=%d, fps=%d, progress=%d", width, height, fps, progress);
animation.width = width;
animation.height = height;
animation.fps = fps;
if (topLineNumbers == 4) {
animation.progressEnabled = (progress != 0);
} else {
animation.progressEnabled = false;
}
} else if (sscanf(l, "dynamic_colors %" STRTO(ANIM_PATH_MAX) "s #%6s #%6s #%6s #%6s %d %d",
dynamicColoringPartNameBuffer,
start_color_0, start_color_1, start_color_2, start_color_3,
&colorTransitionStart, &colorTransitionEnd)) {
animation.dynamicColoringEnabled = true;
parseColor(start_color_0, animation.startColors[0]);
parseColor(start_color_1, animation.startColors[1]);
parseColor(start_color_2, animation.startColors[2]);
parseColor(start_color_3, animation.startColors[3]);
animation.colorTransitionStart = colorTransitionStart;
animation.colorTransitionEnd = colorTransitionEnd;
dynamicColoringPartName = std::string(dynamicColoringPartNameBuffer);
} else if (sscanf(l, "%c %d %d %" STRTO(ANIM_PATH_MAX) "s%n",
&pathType, &count, &pause, path, &nextReadPos) >= 4) {
if (pathType == 'f') {
sscanf(l + nextReadPos, " %d #%6s %16s %16s", &framesToFadeCount, color, clockPos1,
clockPos2);
} else {
sscanf(l + nextReadPos, " #%6s %16s %16s", color, clockPos1, clockPos2);
}
// SLOGD("> type=%c, count=%d, pause=%d, path=%s, framesToFadeCount=%d, color=%s, "
// "clockPos1=%s, clockPos2=%s",
// pathType, count, pause, path, framesToFadeCount, color, clockPos1, clockPos2);
Animation::Part part;
if (path == dynamicColoringPartName) {
// Part is specified to use dynamic coloring.
part.useDynamicColoring = true;
part.postDynamicColoring = false;
postDynamicColoring = true;
} else {
// Part does not use dynamic coloring.
part.useDynamicColoring = false;
part.postDynamicColoring = postDynamicColoring;
}
part.playUntilComplete = pathType == 'c';
part.framesToFadeCount = framesToFadeCount;
part.count = count;
part.pause = pause;
part.path = path;
part.audioData = nullptr;
part.animation = nullptr;
if (!parseColor(color, part.backgroundColor)) {
SLOGE("> invalid color '#%s'", color);
part.backgroundColor[0] = 0.0f;
part.backgroundColor[1] = 0.0f;
part.backgroundColor[2] = 0.0f;
}
parsePosition(clockPos1, clockPos2, &part.clockPosX, &part.clockPosY);
animation.parts.add(part);
}
else if (strcmp(l, "$SYSTEM") == 0) {
// SLOGD("> SYSTEM");
Animation::Part part;
part.playUntilComplete = false;
part.framesToFadeCount = 0;
part.count = 1;
part.pause = 0;
part.audioData = nullptr;
part.animation = loadAnimation(String8(SYSTEM_BOOTANIMATION_FILE));
if (part.animation != nullptr)
animation.parts.add(part);
}
s = ++endl;
}
return true;
}
bool BootAnimation::preloadZip(Animation& animation) {
// read all the data structures
const size_t pcount = animation.parts.size();
void *cookie = nullptr;
ZipFileRO* zip = animation.zip;
if (!zip->startIteration(&cookie)) {
return false;
}
ZipEntryRO entry;
char name[ANIM_ENTRY_NAME_MAX];
while ((entry = zip->nextEntry(cookie)) != nullptr) {
const int foundEntryName = zip->getEntryFileName(entry, name, ANIM_ENTRY_NAME_MAX);
if (foundEntryName > ANIM_ENTRY_NAME_MAX || foundEntryName == -1) {
SLOGE("Error fetching entry file name");
continue;
}
const String8 entryName(name);
const String8 path(entryName.getPathDir());
const String8 leaf(entryName.getPathLeaf());
if (leaf.size() > 0) {
if (entryName == CLOCK_FONT_ZIP_NAME) {
FileMap* map = zip->createEntryFileMap(entry);
if (map) {
animation.clockFont.map = map;
}
continue;
}
if (entryName == PROGRESS_FONT_ZIP_NAME) {
FileMap* map = zip->createEntryFileMap(entry);
if (map) {
animation.progressFont.map = map;
}
continue;
}
for (size_t j = 0; j < pcount; j++) {
if (path == animation.parts[j].path) {
uint16_t method;
// supports only stored png files
if (zip->getEntryInfo(entry, &method, nullptr, nullptr, nullptr, nullptr, nullptr)) {
if (method == ZipFileRO::kCompressStored) {
FileMap* map = zip->createEntryFileMap(entry);
if (map) {
Animation::Part& part(animation.parts.editItemAt(j));
if (leaf == "audio.wav") {
// a part may have at most one audio file
part.audioData = (uint8_t *)map->getDataPtr();
part.audioLength = map->getDataLength();
} else if (leaf == "trim.txt") {
part.trimData.setTo((char const*)map->getDataPtr(),
map->getDataLength());
} else {
Animation::Frame frame;
frame.name = leaf;
frame.map = map;
frame.trimWidth = animation.width;
frame.trimHeight = animation.height;
frame.trimX = 0;
frame.trimY = 0;
part.frames.add(frame);
}
}
} else {
SLOGE("bootanimation.zip is compressed; must be only stored");
}
}
}
}
}
}
// If there is trimData present, override the positioning defaults.
for (Animation::Part& part : animation.parts) {
const char* trimDataStr = part.trimData.string();
for (size_t frameIdx = 0; frameIdx < part.frames.size(); frameIdx++) {
const char* endl = strstr(trimDataStr, "\n");
// No more trimData for this part.
if (endl == nullptr) {
break;
}
String8 line(trimDataStr, endl - trimDataStr);
const char* lineStr = line.string();
trimDataStr = ++endl;
int width = 0, height = 0, x = 0, y = 0;
if (sscanf(lineStr, "%dx%d+%d+%d", &width, &height, &x, &y) == 4) {
Animation::Frame& frame(part.frames.editItemAt(frameIdx));
frame.trimWidth = width;
frame.trimHeight = height;
frame.trimX = x;
frame.trimY = y;
} else {
SLOGE("Error parsing trim.txt, line: %s", lineStr);
break;
}
}
}
zip->endIteration(cookie);
return true;
}
bool BootAnimation::movie() {
if (mAnimation == nullptr) {
mAnimation = loadAnimation(mZipFileName);
}
if (mAnimation == nullptr)
return false;
// mCallbacks->init() may get called recursively,
// this loop is needed to get the same results
for (const Animation::Part& part : mAnimation->parts) {
if (part.animation != nullptr) {
mCallbacks->init(part.animation->parts);
}
}
mCallbacks->init(mAnimation->parts);
bool anyPartHasClock = false;
for (size_t i=0; i < mAnimation->parts.size(); i++) {
if(validClock(mAnimation->parts[i])) {
anyPartHasClock = true;
break;
}
}
if (!anyPartHasClock) {
mClockEnabled = false;
} else if (!android::base::GetBoolProperty(CLOCK_ENABLED_PROP_NAME, false)) {
mClockEnabled = false;
}
// Check if npot textures are supported
mUseNpotTextures = false;
String8 gl_extensions;
const char* exts = reinterpret_cast<const char*>(glGetString(GL_EXTENSIONS));
if (!exts) {
glGetError();
} else {
gl_extensions.setTo(exts);
if ((gl_extensions.find("GL_ARB_texture_non_power_of_two") != -1) ||
(gl_extensions.find("GL_OES_texture_npot") != -1)) {
mUseNpotTextures = true;
}
}
// Blend required to draw time on top of animation frames.
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_DITHER);
glDisable(GL_SCISSOR_TEST);
glDisable(GL_BLEND);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
bool clockFontInitialized = false;
if (mClockEnabled) {
clockFontInitialized =
(initFont(&mAnimation->clockFont, CLOCK_FONT_ASSET) == NO_ERROR);
mClockEnabled = clockFontInitialized;
}
initFont(&mAnimation->progressFont, PROGRESS_FONT_ASSET);
if (mClockEnabled && !updateIsTimeAccurate()) {
mTimeCheckThread = new TimeCheckThread(this);
mTimeCheckThread->run("BootAnimation::TimeCheckThread", PRIORITY_NORMAL);
}
if (mAnimation->dynamicColoringEnabled) {
initDynamicColors();
}
playAnimation(*mAnimation);
if (mTimeCheckThread != nullptr) {
mTimeCheckThread->requestExit();
mTimeCheckThread = nullptr;
}
if (clockFontInitialized) {
glDeleteTextures(1, &mAnimation->clockFont.texture.name);
}
releaseAnimation(mAnimation);
mAnimation = nullptr;
return false;
}
bool BootAnimation::shouldStopPlayingPart(const Animation::Part& part,
const int fadedFramesCount,
const int lastDisplayedProgress) {
// stop playing only if it is time to exit and it's a partial part which has been faded out
return exitPending() && !part.playUntilComplete && fadedFramesCount >= part.framesToFadeCount &&
(lastDisplayedProgress == 0 || lastDisplayedProgress == 100);
}
// Linear mapping from range <a1, a2> to range <b1, b2>
float mapLinear(float x, float a1, float a2, float b1, float b2) {
return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );
}
void BootAnimation::drawTexturedQuad(float xStart, float yStart, float width, float height) {
// Map coordinates from screen space to world space.
float x0 = mapLinear(xStart, 0, mWidth, -1, 1);
float y0 = mapLinear(yStart, 0, mHeight, -1, 1);
float x1 = mapLinear(xStart + width, 0, mWidth, -1, 1);
float y1 = mapLinear(yStart + height, 0, mHeight, -1, 1);
// Update quad vertex positions.
quadPositions[0] = x0;
quadPositions[1] = y0;
quadPositions[2] = x1;
quadPositions[3] = y0;
quadPositions[4] = x1;
quadPositions[5] = y1;
quadPositions[6] = x1;
quadPositions[7] = y1;
quadPositions[8] = x0;
quadPositions[9] = y1;
quadPositions[10] = x0;
quadPositions[11] = y0;
glDrawArrays(GL_TRIANGLES, 0,
sizeof(quadPositions) / sizeof(quadPositions[0]) / 2);
}
void BootAnimation::initDynamicColors() {
for (int i = 0; i < DYNAMIC_COLOR_COUNT; i++) {
const auto syspropName = "persist.bootanim.color" + std::to_string(i + 1);
const auto syspropValue = android::base::GetProperty(syspropName, "");
if (syspropValue != "") {
SLOGI("Loaded dynamic color: %s -> %s", syspropName.c_str(), syspropValue.c_str());
mDynamicColorsApplied = true;
}
parseColorDecimalString(syspropValue,
mAnimation->endColors[i], mAnimation->startColors[i]);
}
glUseProgram(mImageShader);
SLOGI("Dynamically coloring boot animation. Sysprops loaded? %i", mDynamicColorsApplied);
for (int i = 0; i < DYNAMIC_COLOR_COUNT; i++) {
float *startColor = mAnimation->startColors[i];
float *endColor = mAnimation->endColors[i];
glUniform4f(glGetUniformLocation(mImageShader,
(U_START_COLOR_PREFIX + std::to_string(i)).c_str()),
startColor[0], startColor[1], startColor[2], 1 /* alpha */);
glUniform4f(glGetUniformLocation(mImageShader,
(U_END_COLOR_PREFIX + std::to_string(i)).c_str()),
endColor[0], endColor[1], endColor[2], 1 /* alpha */);
}
mImageColorProgressLocation = glGetUniformLocation(mImageShader, U_COLOR_PROGRESS);
}
bool BootAnimation::playAnimation(const Animation& animation) {
const size_t pcount = animation.parts.size();
nsecs_t frameDuration = s2ns(1) / animation.fps;
SLOGD("%sAnimationShownTiming start time: %" PRId64 "ms", mShuttingDown ? "Shutdown" : "Boot",
elapsedRealtime());
int fadedFramesCount = 0;
int lastDisplayedProgress = 0;
for (size_t i=0 ; i<pcount ; i++) {
const Animation::Part& part(animation.parts[i]);
const size_t fcount = part.frames.size();
// Handle animation package
if (part.animation != nullptr) {
playAnimation(*part.animation);
if (exitPending())
break;
continue; //to next part
}
if (animation.dynamicColoringEnabled && part.useDynamicColoring && !mDynamicColorsApplied) {
SLOGD("Trying to load dynamic color sysprops.");
initDynamicColors();
}
// process the part not only while the count allows but also if already fading
for (int r=0 ; !part.count || r<part.count || fadedFramesCount > 0 ; r++) {
if (shouldStopPlayingPart(part, fadedFramesCount, lastDisplayedProgress)) break;
mCallbacks->playPart(i, part, r);
glClearColor(
part.backgroundColor[0],
part.backgroundColor[1],
part.backgroundColor[2],
1.0f);
ALOGD("Playing files = %s/%s, Requested repeat = %d, playUntilComplete = %s",
animation.fileName.string(), part.path.string(), part.count,
part.playUntilComplete ? "true" : "false");
// For the last animation, if we have progress indicator from
// the system, display it.
int currentProgress = android::base::GetIntProperty(PROGRESS_PROP_NAME, 0);
bool displayProgress = animation.progressEnabled &&
(i == (pcount -1)) && currentProgress != 0;
for (size_t j=0 ; j<fcount ; j++) {
if (shouldStopPlayingPart(part, fadedFramesCount, lastDisplayedProgress)) break;
// Color progress is
// - the animation progress, normalized from
// [colorTransitionStart,colorTransitionEnd] to [0, 1] for the dynamic coloring
// part.
// - 0 for parts that come before,
// - 1 for parts that come after.
float colorProgress = part.useDynamicColoring
? fmin(fmax(
((float)j - animation.colorTransitionStart) /
fmax(animation.colorTransitionEnd -
animation.colorTransitionStart, 1.0f), 0.0f), 1.0f)
: (part.postDynamicColoring ? 1 : 0);
processDisplayEvents();
const int animationX = (mWidth - animation.width) / 2;
const int animationY = (mHeight - animation.height) / 2;
const Animation::Frame& frame(part.frames[j]);
nsecs_t lastFrame = systemTime();
if (r > 0) {
glBindTexture(GL_TEXTURE_2D, frame.tid);
} else {
glGenTextures(1, &frame.tid);
glBindTexture(GL_TEXTURE_2D, frame.tid);
int w, h;
// Set decoding option to alpha unpremultiplied so that the R, G, B channels
// of transparent pixels are preserved.
initTexture(frame.map, &w, &h, false /* don't premultiply alpha */);
}
const int xc = animationX + frame.trimX;
const int yc = animationY + frame.trimY;
glClear(GL_COLOR_BUFFER_BIT);
// specify the y center as ceiling((mHeight - frame.trimHeight) / 2)
// which is equivalent to mHeight - (yc + frame.trimHeight)
const int frameDrawY = mHeight - (yc + frame.trimHeight);
float fade = 0;
// if the part hasn't been stopped yet then continue fading if necessary
if (exitPending() && part.hasFadingPhase()) {
fade = static_cast<float>(++fadedFramesCount) / part.framesToFadeCount;
if (fadedFramesCount >= part.framesToFadeCount) {
fadedFramesCount = MAX_FADED_FRAMES_COUNT; // no more fading
}
}
glUseProgram(mImageShader);
glUniform1i(mImageTextureLocation, 0);
glUniform1f(mImageFadeLocation, fade);
if (animation.dynamicColoringEnabled) {
glUniform1f(mImageColorProgressLocation, colorProgress);
}
glEnable(GL_BLEND);
drawTexturedQuad(xc, frameDrawY, frame.trimWidth, frame.trimHeight);
glDisable(GL_BLEND);
if (mClockEnabled && mTimeIsAccurate && validClock(part)) {
drawClock(animation.clockFont, part.clockPosX, part.clockPosY);
}
if (displayProgress) {
int newProgress = android::base::GetIntProperty(PROGRESS_PROP_NAME, 0);
// In case the new progress jumped suddenly, still show an
// increment of 1.
if (lastDisplayedProgress != 100) {
// Artificially sleep 1/10th a second to slow down the animation.
usleep(100000);
if (lastDisplayedProgress < newProgress) {
lastDisplayedProgress++;
}
}
// Put the progress percentage right below the animation.
int posY = animation.height / 3;
int posX = TEXT_CENTER_VALUE;
drawProgress(lastDisplayedProgress, animation.progressFont, posX, posY);
}
handleViewport(frameDuration);
eglSwapBuffers(mDisplay, mSurface);
nsecs_t now = systemTime();
nsecs_t delay = frameDuration - (now - lastFrame);
//SLOGD("%lld, %lld", ns2ms(now - lastFrame), ns2ms(delay));
lastFrame = now;
if (delay > 0) {
struct timespec spec;
spec.tv_sec = (now + delay) / 1000000000;
spec.tv_nsec = (now + delay) % 1000000000;
int err;
do {
err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, nullptr);
} while (err == EINTR);
}
checkExit();
}
usleep(part.pause * ns2us(frameDuration));
if (exitPending() && !part.count && mCurrentInset >= mTargetInset &&
!part.hasFadingPhase()) {
if (lastDisplayedProgress != 0 && lastDisplayedProgress != 100) {
android::base::SetProperty(PROGRESS_PROP_NAME, "100");
continue;
}
break; // exit the infinite non-fading part when it has been played at least once
}
}
}
// Free textures created for looping parts now that the animation is done.
for (const Animation::Part& part : animation.parts) {
if (part.count != 1) {
const size_t fcount = part.frames.size();
for (size_t j = 0; j < fcount; j++) {
const Animation::Frame& frame(part.frames[j]);
glDeleteTextures(1, &frame.tid);
}
}
}
ALOGD("%sAnimationShownTiming End time: %" PRId64 "ms", mShuttingDown ? "Shutdown" : "Boot",
elapsedRealtime());
return true;
}
void BootAnimation::processDisplayEvents() {
// This will poll mDisplayEventReceiver and if there are new events it'll call
// displayEventCallback synchronously.
mLooper->pollOnce(0);
}
void BootAnimation::handleViewport(nsecs_t timestep) {
if (mShuttingDown || !mFlingerSurfaceControl || mTargetInset == 0) {
return;
}
if (mTargetInset < 0) {
// Poll the amount for the top display inset. This will return -1 until persistent properties
// have been loaded.
mTargetInset = android::base::GetIntProperty("persist.sys.displayinset.top",
-1 /* default */, -1 /* min */, mHeight / 2 /* max */);
}
if (mTargetInset <= 0) {
return;
}
if (mCurrentInset < mTargetInset) {
// After the device boots, the inset will effectively be cropped away. We animate this here.
float fraction = static_cast<float>(mCurrentInset) / mTargetInset;
int interpolatedInset = (cosf((fraction + 1) * M_PI) / 2.0f + 0.5f) * mTargetInset;
SurfaceComposerClient::Transaction()
.setCrop(mFlingerSurfaceControl, Rect(0, interpolatedInset, mWidth, mHeight))
.apply();
} else {
// At the end of the animation, we switch to the viewport that DisplayManager will apply
// later. This changes the coordinate system, and means we must move the surface up by
// the inset amount.
Rect layerStackRect(0, 0, mWidth, mHeight - mTargetInset);
Rect displayRect(0, mTargetInset, mWidth, mHeight);
SurfaceComposerClient::Transaction t;
t.setPosition(mFlingerSurfaceControl, 0, -mTargetInset)
.setCrop(mFlingerSurfaceControl, Rect(0, mTargetInset, mWidth, mHeight));
t.setDisplayProjection(mDisplayToken, ui::ROTATION_0, layerStackRect, displayRect);
t.apply();
mTargetInset = mCurrentInset = 0;
}
int delta = timestep * mTargetInset / ms2ns(200);
mCurrentInset += delta;
}
void BootAnimation::releaseAnimation(Animation* animation) const {
for (Vector<Animation::Part>::iterator it = animation->parts.begin(),
e = animation->parts.end(); it != e; ++it) {
if (it->animation)
releaseAnimation(it->animation);
}
if (animation->zip)
delete animation->zip;
delete animation;
}
BootAnimation::Animation* BootAnimation::loadAnimation(const String8& fn) {
if (mLoadedFiles.indexOf(fn) >= 0) {
SLOGE("File \"%s\" is already loaded. Cyclic ref is not allowed",
fn.string());
return nullptr;
}
ZipFileRO *zip = ZipFileRO::open(fn);
if (zip == nullptr) {
SLOGE("Failed to open animation zip \"%s\": %s",
fn.string(), strerror(errno));
return nullptr;
}
ALOGD("%s is loaded successfully", fn.string());
Animation *animation = new Animation;
animation->fileName = fn;
animation->zip = zip;
animation->clockFont.map = nullptr;
mLoadedFiles.add(animation->fileName);
parseAnimationDesc(*animation);
if (!preloadZip(*animation)) {
releaseAnimation(animation);
return nullptr;
}
mLoadedFiles.remove(fn);
return animation;
}
bool BootAnimation::updateIsTimeAccurate() {
static constexpr long long MAX_TIME_IN_PAST = 60000LL * 60LL * 24LL * 30LL; // 30 days
static constexpr long long MAX_TIME_IN_FUTURE = 60000LL * 90LL; // 90 minutes
if (mTimeIsAccurate) {
return true;
}
if (mShuttingDown) return true;
struct stat statResult;
if(stat(TIME_FORMAT_12_HOUR_FLAG_FILE_PATH, &statResult) == 0) {
mTimeFormat12Hour = true;
}
if(stat(ACCURATE_TIME_FLAG_FILE_PATH, &statResult) == 0) {
mTimeIsAccurate = true;
return true;
}
FILE* file = fopen(LAST_TIME_CHANGED_FILE_PATH, "r");
if (file != nullptr) {
long long lastChangedTime = 0;
fscanf(file, "%lld", &lastChangedTime);
fclose(file);
if (lastChangedTime > 0) {
struct timespec now;
clock_gettime(CLOCK_REALTIME, &now);
// Match the Java timestamp format
long long rtcNow = (now.tv_sec * 1000LL) + (now.tv_nsec / 1000000LL);
if (ACCURATE_TIME_EPOCH < rtcNow
&& lastChangedTime > (rtcNow - MAX_TIME_IN_PAST)
&& lastChangedTime < (rtcNow + MAX_TIME_IN_FUTURE)) {
mTimeIsAccurate = true;
}
}
}
return mTimeIsAccurate;
}
BootAnimation::TimeCheckThread::TimeCheckThread(BootAnimation* bootAnimation) : Thread(false),
mInotifyFd(-1), mBootAnimWd(-1), mTimeWd(-1), mBootAnimation(bootAnimation) {}
BootAnimation::TimeCheckThread::~TimeCheckThread() {
// mInotifyFd may be -1 but that's ok since we're not at risk of attempting to close a valid FD.
close(mInotifyFd);
}
bool BootAnimation::TimeCheckThread::threadLoop() {
bool shouldLoop = doThreadLoop() && !mBootAnimation->mTimeIsAccurate
&& mBootAnimation->mClockEnabled;
if (!shouldLoop) {
close(mInotifyFd);
mInotifyFd = -1;
}
return shouldLoop;
}
bool BootAnimation::TimeCheckThread::doThreadLoop() {
static constexpr int BUFF_LEN (10 * (sizeof(struct inotify_event) + NAME_MAX + 1));
// Poll instead of doing a blocking read so the Thread can exit if requested.
struct pollfd pfd = { mInotifyFd, POLLIN, 0 };
ssize_t pollResult = poll(&pfd, 1, 1000);
if (pollResult == 0) {
return true;
} else if (pollResult < 0) {
SLOGE("Could not poll inotify events");
return false;
}
char buff[BUFF_LEN] __attribute__ ((aligned(__alignof__(struct inotify_event))));;
ssize_t length = read(mInotifyFd, buff, BUFF_LEN);
if (length == 0) {
return true;
} else if (length < 0) {
SLOGE("Could not read inotify events");
return false;
}
const struct inotify_event *event;
for (char* ptr = buff; ptr < buff + length; ptr += sizeof(struct inotify_event) + event->len) {
event = (const struct inotify_event *) ptr;
if (event->wd == mBootAnimWd && strcmp(BOOTANIM_TIME_DIR_NAME, event->name) == 0) {
addTimeDirWatch();
} else if (event->wd == mTimeWd && (strcmp(LAST_TIME_CHANGED_FILE_NAME, event->name) == 0
|| strcmp(ACCURATE_TIME_FLAG_FILE_NAME, event->name) == 0)) {
return !mBootAnimation->updateIsTimeAccurate();
}
}
return true;
}
void BootAnimation::TimeCheckThread::addTimeDirWatch() {
mTimeWd = inotify_add_watch(mInotifyFd, BOOTANIM_TIME_DIR_PATH,
IN_CLOSE_WRITE | IN_MOVED_TO | IN_ATTRIB);
if (mTimeWd > 0) {
// No need to watch for the time directory to be created if it already exists
inotify_rm_watch(mInotifyFd, mBootAnimWd);
mBootAnimWd = -1;
}
}
status_t BootAnimation::TimeCheckThread::readyToRun() {
mInotifyFd = inotify_init();
if (mInotifyFd < 0) {
SLOGE("Could not initialize inotify fd");
return NO_INIT;
}
mBootAnimWd = inotify_add_watch(mInotifyFd, BOOTANIM_DATA_DIR_PATH, IN_CREATE | IN_ATTRIB);
if (mBootAnimWd < 0) {
close(mInotifyFd);
mInotifyFd = -1;
SLOGE("Could not add watch for %s: %s", BOOTANIM_DATA_DIR_PATH, strerror(errno));
return NO_INIT;
}
addTimeDirWatch();
if (mBootAnimation->updateIsTimeAccurate()) {
close(mInotifyFd);
mInotifyFd = -1;
return ALREADY_EXISTS;
}
return NO_ERROR;
}
// ---------------------------------------------------------------------------
} // namespace android
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