/*
* native public static long elapsedRealtimeNano();
*/
int64_t elapsedRealtimeNano()
{
#ifdef HAVE_ANDROID_OS
struct timespec ts;
int result;
int64_t timestamp;
#if DEBUG_TIMESTAMP
static volatile int64_t prevTimestamp;
static volatile int prevMethod;
#endif
static int s_fd = -1;
if (s_fd == -1) {
int fd = open("/dev/alarm", O_RDONLY);
if (android_atomic_cmpxchg(-1, fd, &s_fd)) {
close(fd);
}
}
result = ioctl(s_fd,
ANDROID_ALARM_GET_TIME(ANDROID_ALARM_ELAPSED_REALTIME), &ts);
if (result == 0) {
timestamp = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec;
checkTimeStamps(timestamp, &prevTimestamp, &prevMethod, METHOD_IOCTL);
return timestamp;
}
// /dev/alarm doesn't exist, fallback to CLOCK_BOOTTIME
result = clock_gettime(CLOCK_BOOTTIME, &ts);
if (result == 0) {
timestamp = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec;
checkTimeStamps(timestamp, &prevTimestamp, &prevMethod,
METHOD_CLOCK_GETTIME);
return timestamp;
}
// XXX: there was an error, probably because the driver didn't
// exist ... this should return
// a real error, like an exception!
timestamp = systemTime(SYSTEM_TIME_MONOTONIC);
checkTimeStamps(timestamp, &prevTimestamp, &prevMethod,
METHOD_SYSTEMTIME);
return timestamp;
#else
return systemTime(SYSTEM_TIME_MONOTONIC);
#endif
}
/**
* Second out of two main update functions.
* Gets triggered by a timer for automatics recompilations.
* Can be called both from GLRender or from any other scope.
*/
void SoXipGLSLPrograms::AutoUpdateAction()
{
bool dirty = false;
ProgramBatch * batch = 0;
for (int i = 0; i < mProgramBatchList.getLength(); i++)
{
batch = reinterpret_cast<ProgramBatch *>(mProgramBatchList[i]);
dirty |= checkTimeStamps(&batch->vertShader, vpFilenames[i]);
dirty |= checkTimeStamps(&batch->geomShader, gpFilenames[i]);
dirty |= checkTimeStamps(&batch->fragShader, fpFilenames[i]);
}
if (dirty)
{
mTimedUpdate = true;
startNotify();
}
}
