int main(int argc, char** argv)
{
DisplayEventReceiver myDisplayEvent;
sp<Looper> loop = new Looper(false);
loop->addFd(myDisplayEvent.getFd(), 0, ALOOPER_EVENT_INPUT, receiver,
&myDisplayEvent);
myDisplayEvent.setVsyncRate(1);
do {
//printf("about to poll...\n");
int32_t ret = loop->pollOnce(-1);
switch (ret) {
case ALOOPER_POLL_WAKE:
//("ALOOPER_POLL_WAKE\n");
break;
case ALOOPER_POLL_CALLBACK:
//("ALOOPER_POLL_CALLBACK\n");
break;
case ALOOPER_POLL_TIMEOUT:
printf("ALOOPER_POLL_TIMEOUT\n");
break;
case ALOOPER_POLL_ERROR:
printf("ALOOPER_POLL_TIMEOUT\n");
break;
default:
printf("ugh? poll returned %d\n", ret);
break;
}
} while (1);
return 0;
}
void NativeDisplayEventReceiver::dispose() {
ALOGV("receiver %p ~ Disposing display event receiver.", this);
if (!mReceiver.initCheck()) {
mMessageQueue->getLooper()->removeFd(mReceiver.getFd());
}
}
int receiver(int fd, int events, void* data)
{
DisplayEventReceiver* q = (DisplayEventReceiver*)data;
ssize_t n;
DisplayEventReceiver::Event buffer[1];
static nsecs_t oldTimeStamp = 0;
while ((n = q->getEvents(buffer, 1)) > 0) {
for (int i=0 ; i<n ; i++) {
if (buffer[i].header.type == DisplayEventReceiver::DISPLAY_EVENT_VSYNC) {
printf("event vsync: count=%d\t", buffer[i].vsync.count);
}
if (oldTimeStamp) {
float t = float(buffer[i].header.timestamp - oldTimeStamp) / s2ns(1);
printf("%f ms (%f Hz)\n", t*1000, 1.0/t);
}
oldTimeStamp = buffer[i].header.timestamp;
}
}
if (n<0) {
printf("error reading events (%s)\n", strerror(-n));
}
return 1;
}
status_t NativeDisplayEventReceiver::initialize() {
status_t result = mReceiver.initCheck();
if (result) {
ALOGW("Failed to initialize display event receiver, status=%d", result);
return result;
}
int rc = mMessageQueue->getLooper()->addFd(mReceiver.getFd(), 0, Looper::EVENT_INPUT,
this, NULL);
if (rc < 0) {
return UNKNOWN_ERROR;
}
return OK;
}
bool NativeDisplayEventReceiver::processPendingEvents(
nsecs_t* outTimestamp, int32_t* outId, uint32_t* outCount) {
bool gotVsync = false;
DisplayEventReceiver::Event buf[EVENT_BUFFER_SIZE];
ssize_t n;
while ((n = mReceiver.getEvents(buf, EVENT_BUFFER_SIZE)) > 0) {
ALOGV("receiver %p ~ Read %d events.", this, int(n));
for (ssize_t i = 0; i < n; i++) {
const DisplayEventReceiver::Event& ev = buf[i];
switch (ev.header.type) {
case DisplayEventReceiver::DISPLAY_EVENT_VSYNC:
// Later vsync events will just overwrite the info from earlier
// ones. That's fine, we only care about the most recent.
gotVsync = true;
*outTimestamp = ev.header.timestamp;
*outId = ev.header.id;
*outCount = ev.vsync.count;
break;
case DisplayEventReceiver::DISPLAY_EVENT_HOTPLUG:
dispatchHotplug(ev.header.timestamp, ev.header.id, ev.hotplug.connected);
break;
default:
ALOGW("receiver %p ~ ignoring unknown event type %#x", this, ev.header.type);
break;
}
}
}
if (n < 0) {
ALOGW("Failed to get events from display event receiver, status=%d", status_t(n));
}
return gotVsync;
}
status_t NativeDisplayEventReceiver::scheduleVsync() {
if (!mWaitingForVsync) {
ALOGV("receiver %p ~ Scheduling vsync.", this);
// Drain all pending events.
nsecs_t vsyncTimestamp;
int32_t vsyncDisplayId;
uint32_t vsyncCount;
processPendingEvents(&vsyncTimestamp, &vsyncDisplayId, &vsyncCount);
status_t status = mReceiver.requestNextVsync();
if (status) {
ALOGW("Failed to request next vsync, status=%d", status);
return status;
}
mWaitingForVsync = true;
}
return OK;
}
void * Context::threadProc(void *vrsc) {
Context *rsc = static_cast<Context *>(vrsc);
#ifndef ANDROID_RS_SERIALIZE
rsc->mNativeThreadId = gettid();
#ifndef RS_COMPATIBILITY_LIB
if (!rsc->isSynchronous()) {
setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);
}
rsc->mThreadPriority = ANDROID_PRIORITY_DISPLAY;
#else
if (!rsc->isSynchronous()) {
setpriority(PRIO_PROCESS, rsc->mNativeThreadId, -4);
}
rsc->mThreadPriority = -4;
#endif
#endif //ANDROID_RS_SERIALIZE
rsc->props.mLogTimes = getProp("debug.rs.profile") != 0;
rsc->props.mLogScripts = getProp("debug.rs.script") != 0;
rsc->props.mLogObjects = getProp("debug.rs.object") != 0;
rsc->props.mLogShaders = getProp("debug.rs.shader") != 0;
rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes") != 0;
rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms") != 0;
rsc->props.mLogVisual = getProp("debug.rs.visual") != 0;
rsc->props.mDebugMaxThreads = getProp("debug.rs.max-threads");
bool loadDefault = true;
// Provide a mechanism for dropping in a different RS driver.
#ifndef RS_COMPATIBILITY_LIB
#ifdef OVERRIDE_RS_DRIVER
#define XSTR(S) #S
#define STR(S) XSTR(S)
#define OVERRIDE_RS_DRIVER_STRING STR(OVERRIDE_RS_DRIVER)
if (getProp("debug.rs.default-CPU-driver") != 0) {
ALOGE("Skipping override driver and loading default CPU driver");
} else if (rsc->mForceCpu) {
ALOGV("Application requested CPU execution");
} else if (rsc->getContextType() == RS_CONTEXT_TYPE_DEBUG) {
ALOGV("Application requested debug context");
} else {
if (loadRuntime(OVERRIDE_RS_DRIVER_STRING, rsc)) {
ALOGE("Successfully loaded runtime: %s", OVERRIDE_RS_DRIVER_STRING);
loadDefault = false;
} else {
ALOGE("Failed to load runtime %s, loading default", OVERRIDE_RS_DRIVER_STRING);
}
}
#undef XSTR
#undef STR
#endif // OVERRIDE_RS_DRIVER
if (loadDefault) {
if (!loadRuntime("libRSDriver.so", rsc)) {
ALOGE("Failed to load default runtime!");
rsc->setError(RS_ERROR_FATAL_DRIVER, "Failed loading RS driver");
return NULL;
}
}
#else // RS_COMPATIBILITY_LIB
if (rsdHalInit(rsc, 0, 0) != true) {
return NULL;
}
#endif
rsc->mHal.funcs.setPriority(rsc, rsc->mThreadPriority);
#ifndef RS_COMPATIBILITY_LIB
if (rsc->mIsGraphicsContext) {
if (!rsc->initGLThread()) {
rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
return NULL;
}
rsc->mStateRaster.init(rsc);
rsc->setProgramRaster(NULL);
rsc->mStateVertex.init(rsc);
rsc->setProgramVertex(NULL);
rsc->mStateFragment.init(rsc);
rsc->setProgramFragment(NULL);
rsc->mStateFragmentStore.init(rsc);
rsc->setProgramStore(NULL);
rsc->mStateFont.init(rsc);
rsc->setFont(NULL);
rsc->mStateSampler.init(rsc);
rsc->mFBOCache.init(rsc);
}
#endif
rsc->mRunning = true;
if (rsc->isSynchronous()) {
return NULL;
}
if (!rsc->mIsGraphicsContext) {
while (!rsc->mExit) {
rsc->mIO.playCoreCommands(rsc, -1);
}
#ifndef RS_COMPATIBILITY_LIB
} else {
#ifndef ANDROID_RS_SERIALIZE
DisplayEventReceiver displayEvent;
DisplayEventReceiver::Event eventBuffer[1];
#endif
int vsyncRate = 0;
int targetRate = 0;
bool drawOnce = false;
while (!rsc->mExit) {
rsc->timerSet(RS_TIMER_IDLE);
#ifndef ANDROID_RS_SERIALIZE
if (!rsc->mRootScript.get() || !rsc->mHasSurface || rsc->mPaused) {
targetRate = 0;
}
if (vsyncRate != targetRate) {
displayEvent.setVsyncRate(targetRate);
vsyncRate = targetRate;
}
if (targetRate) {
drawOnce |= rsc->mIO.playCoreCommands(rsc, displayEvent.getFd());
while (displayEvent.getEvents(eventBuffer, 1) != 0) {
//ALOGE("vs2 time past %lld", (rsc->getTime() - eventBuffer[0].header.timestamp) / 1000000);
}
} else
#endif
{
drawOnce |= rsc->mIO.playCoreCommands(rsc, -1);
}
if ((rsc->mRootScript.get() != NULL) && rsc->mHasSurface &&
(targetRate || drawOnce) && !rsc->mPaused) {
drawOnce = false;
targetRate = ((rsc->runRootScript() + 15) / 16);
if (rsc->props.mLogVisual) {
rsc->displayDebugStats();
}
rsc->timerSet(RS_TIMER_CLEAR_SWAP);
rsc->mHal.funcs.swap(rsc);
rsc->timerFrame();
rsc->timerSet(RS_TIMER_INTERNAL);
rsc->timerPrint();
rsc->timerReset();
}
}
#endif
}
//ALOGV("%p RS Thread exiting", rsc);
#ifndef RS_COMPATIBILITY_LIB
if (rsc->mIsGraphicsContext) {
pthread_mutex_lock(&gInitMutex);
rsc->deinitEGL();
pthread_mutex_unlock(&gInitMutex);
}
#endif
//ALOGV("%p RS Thread exited", rsc);
return NULL;
}
void * Context::threadProc(void *vrsc) {
Context *rsc = static_cast<Context *>(vrsc);
#ifndef ANDROID_RS_SERIALIZE
rsc->mNativeThreadId = gettid();
setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);
rsc->mThreadPriority = ANDROID_PRIORITY_DISPLAY;
#endif //ANDROID_RS_SERIALIZE
rsc->props.mLogTimes = getProp("debug.rs.profile") != 0;
rsc->props.mLogScripts = getProp("debug.rs.script") != 0;
rsc->props.mLogObjects = getProp("debug.rs.object") != 0;
rsc->props.mLogShaders = getProp("debug.rs.shader") != 0;
rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes") != 0;
rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms") != 0;
rsc->props.mLogVisual = getProp("debug.rs.visual") != 0;
rsc->props.mDebugMaxThreads = getProp("debug.rs.max-threads");
void *driverSO = NULL;
// Provide a mechanism for dropping in a different RS driver.
#ifdef OVERRIDE_RS_DRIVER
#define XSTR(S) #S
#define STR(S) XSTR(S)
#define OVERRIDE_RS_DRIVER_STRING STR(OVERRIDE_RS_DRIVER)
if (getProp("debug.rs.default-CPU-driver") != 0) {
ALOGE("Skipping override driver and loading default CPU driver");
} else {
driverSO = dlopen(OVERRIDE_RS_DRIVER_STRING, RTLD_LAZY);
if (driverSO == NULL) {
ALOGE("Failed loading %s: %s", OVERRIDE_RS_DRIVER_STRING,
dlerror());
// Continue to attempt loading fallback driver
}
}
#undef XSTR
#undef STR
#endif // OVERRIDE_RS_DRIVER
// Attempt to load the reference RS driver (if necessary).
if (driverSO == NULL) {
driverSO = dlopen("libRSDriver.so", RTLD_LAZY);
if (driverSO == NULL) {
rsc->setError(RS_ERROR_FATAL_DRIVER, "Failed loading RS driver");
ALOGE("Failed loading RS driver: %s", dlerror());
return NULL;
}
}
// Need to call dlerror() to clear buffer before using it for dlsym().
(void) dlerror();
typedef bool (*HalSig)(Context*, uint32_t, uint32_t);
HalSig halInit = (HalSig) dlsym(driverSO, "rsdHalInit");
// If we can't find the C variant, we go looking for the C++ version.
if (halInit == NULL) {
ALOGW("Falling back to find C++ rsdHalInit: %s", dlerror());
halInit = (HalSig) dlsym(driverSO,
"_Z10rsdHalInitPN7android12renderscript7ContextEjj");
}
if (halInit == NULL) {
rsc->setError(RS_ERROR_FATAL_DRIVER, "Failed to find rsdHalInit");
dlclose(driverSO);
ALOGE("Failed to find rsdHalInit: %s", dlerror());
return NULL;
}
if (!(*halInit)(rsc, 0, 0)) {
rsc->setError(RS_ERROR_FATAL_DRIVER, "Failed initializing RS Driver");
dlclose(driverSO);
ALOGE("Hal init failed");
return NULL;
}
rsc->mHal.funcs.setPriority(rsc, rsc->mThreadPriority);
if (rsc->mIsGraphicsContext) {
if (!rsc->initGLThread()) {
rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
return NULL;
}
rsc->mStateRaster.init(rsc);
rsc->setProgramRaster(NULL);
rsc->mStateVertex.init(rsc);
rsc->setProgramVertex(NULL);
rsc->mStateFragment.init(rsc);
rsc->setProgramFragment(NULL);
rsc->mStateFragmentStore.init(rsc);
rsc->setProgramStore(NULL);
rsc->mStateFont.init(rsc);
rsc->setFont(NULL);
rsc->mStateSampler.init(rsc);
rsc->mFBOCache.init(rsc);
}
rsc->mRunning = true;
if (!rsc->mIsGraphicsContext) {
while (!rsc->mExit) {
rsc->mIO.playCoreCommands(rsc, -1);
}
} else {
#ifndef ANDROID_RS_SERIALIZE
DisplayEventReceiver displayEvent;
DisplayEventReceiver::Event eventBuffer[1];
#endif
int vsyncRate = 0;
int targetRate = 0;
bool drawOnce = false;
while (!rsc->mExit) {
rsc->timerSet(RS_TIMER_IDLE);
#ifndef ANDROID_RS_SERIALIZE
if (!rsc->mRootScript.get() || !rsc->mHasSurface || rsc->mPaused) {
targetRate = 0;
}
if (vsyncRate != targetRate) {
displayEvent.setVsyncRate(targetRate);
vsyncRate = targetRate;
}
if (targetRate) {
drawOnce |= rsc->mIO.playCoreCommands(rsc, displayEvent.getFd());
while (displayEvent.getEvents(eventBuffer, 1) != 0) {
//ALOGE("vs2 time past %lld", (rsc->getTime() - eventBuffer[0].header.timestamp) / 1000000);
}
} else
#endif
{
drawOnce |= rsc->mIO.playCoreCommands(rsc, -1);
}
if ((rsc->mRootScript.get() != NULL) && rsc->mHasSurface &&
(targetRate || drawOnce) && !rsc->mPaused) {
drawOnce = false;
targetRate = ((rsc->runRootScript() + 15) / 16);
if (rsc->props.mLogVisual) {
rsc->displayDebugStats();
}
rsc->timerSet(RS_TIMER_CLEAR_SWAP);
rsc->mHal.funcs.swap(rsc);
rsc->timerFrame();
rsc->timerSet(RS_TIMER_INTERNAL);
rsc->timerPrint();
rsc->timerReset();
}
}
}
ALOGV("%p RS Thread exiting", rsc);
if (rsc->mIsGraphicsContext) {
pthread_mutex_lock(&gInitMutex);
rsc->deinitEGL();
pthread_mutex_unlock(&gInitMutex);
}
ALOGV("%p RS Thread exited", rsc);
return NULL;
}
