// Like reference implementation of emit_photons_from_diffuse_point_light as described
// in "Realistic Image Synthesis using Photon Mapping" page 57.
void PhotonTracer::traceLight(const Light& light, int numberOfPhotons)
{
int n = 0, c = 0;
int c2 = numberOfPhotons/50;
PerformanceTimer pt;
pt.start();
while (n < numberOfPhotons)
{
//Vector3 dir = light.emitPhoton();
//Vector3 power = light.power() * light.color();
//Ray ray(light.getPosition(), dir);
PhotonRay photon = light.emitPhoton();
Ray ray(photon.origin, photon.direction);
int photons = tracePhoton(ray, photon.power, 0);
n += photons;
c += photons;
if(c > c2)
{
c = 0;
pt.stop();
printf("%.2f seconds. %.2f %% done. Remaining: %.2f sec.\r",
pt.elapsedSec(),
(n/float(numberOfPhotons))*100.f, pt.elapsedSec()*(float(numberOfPhotons)/float(n) - 1));
pt.start();
}
}
_photonMap->scale_photon_power(1 / (float)numberOfPhotons);
}
/**
* Stop the performance tracer.
*/
void PnPBreakdown::stop(void)
{
if (gPnPBreakdown.isRunning()) {
gPnPBreakdown.formattedTrace("PnPBreakdown", __FUNCTION__);
gPnPBreakdown.stop();
}
}
/**
* Stops the AAAprofiler trace and prints out results.
*/
void AAAProfiler::stop(void)
{
if (gAAAProfiler.isRunning()) {
LOGD("3A profiling time::\t%lldms\n",
gAAAProfiler.timeUs() / 1000);
gAAAProfiler.stop();
}
}
void Shot2Shot::stop(void)
{
if (gShot2Shot.isRunning()) {
if (gPnPBreakdown.isRunning())
PnPBreakdown::step("Shot2Shot::stop");
LOGD("shot2shot latency: %lld us.", gShot2Shot.timeUs());
gShot2Shot.stop();
}
}
/**
* Stops the FaceLock trace and prints out results.
*/
void FaceLock::stop(int mFaceNum)
{
if (gFaceLock.isRunning()) {
LOGD("FaceLock face num: %d , Need frame: %d , From preview frame got to face lock successfully:\t%lld ms\n",
mFaceNum, gFaceLockFrame, gFaceLock.timeUs() / 1000);
gFaceLock.mRequested = false;
gFaceLock.stop();
}
}
void HDRShot2Preview::stop(void)
{
if (gHDRShot2Preview.isRunning() && gHDRCalled) {
gHDRCalled = false;
if (gPnPBreakdown.isRunning())
PnPBreakdown::step("HDRShot2Preview::stop");
LOGD("hdr shot2preview latency: %lld us", gHDRShot2Preview.timeUs());
gHDRShot2Preview.stop();
}
}
/**
* Stops the launch2FocusLock trace and prints out results.
*/
void Launch2FocusLock::stop(void)
{
if (gLaunch2FocusLock.isRunning()) {
if (gPnPBreakdown.isRunning())
PnPBreakdown::step("Launch2FocusLock::stop");
LOGD("LAUNCH time calculated from create instance to lock the focus frame:\t%lld ms\n",
gLaunch2FocusLock.timeUs() / 1000);
gLaunch2FocusLock.stop();
}
}
OsFile::~OsFile()
{
#ifdef _DEBUG
PerformanceTimer t;
t.start();
#endif
CloseHandle(m_handle);
#ifdef _DEBUG
t.stop();
ms_time+= t.getElapsedTime();
#endif
}
/**
* Stops the launch2preview trace and prints out results.
*/
void Launch2Preview::stop(int mFrameNum)
{
if (gLaunch2Preview.isRunning()) {
if (gPnPBreakdown.isRunning())
PnPBreakdown::step("Launch2Preview::stop");
if (mFrameNum == 1) {
LOGD("LAUNCH time to the 1st preview frame show:\t%lld ms\n",
gLaunch2Preview.timeUs() / 1000);
} else {
LOGD("LAUNCH: skip %d frame, time to the 1st preview frame show:\t%lld ms\n",
(mFrameNum - 1), gLaunch2Preview.timeUs() / 1000);
}
gLaunch2Preview.stop();
}
}
void OsFile::seek(int newFilePosition)
{
#ifdef _DEBUG
PerformanceTimer t;
t.start();
#endif
if (m_offset != newFilePosition)
{
const DWORD result = SetFilePointer(m_handle, newFilePosition, NULL, FILE_BEGIN);
DEBUG_FATAL(static_cast<int>(result) != newFilePosition, ("SetFilePointer failed"));
UNREF(result);
m_offset = newFilePosition;
}
#ifdef _DEBUG
t.stop();
ms_time += t.getElapsedTime();
#endif
}
/**
* Stop the performance tracer.
*/
void IOBreakdown::stop(void)
{
if (gIOBreakdown.isRunning()) {
gIOBreakdown.formattedTrace("IOBreakdown", __FUNCTION__);
gIOBreakdown.stop();
}
if (mMemInfoEnabled) {
if(mPipeFD >= 0)
if (::close(mPipeFD) < 0)
LOGE("Close trace_pipe error!");
if(mDbgFD >= 0)
if (::close(mDbgFD) < 0)
LOGE("Close dbgopt error!");
mPipeFD = -1;
mDbgFD = -1;
mMemInfoEnabled = false;
}
}
OsFile *OsFile::open(const char *fileName, bool randomAccess)
{
#ifdef _DEBUG
PerformanceTimer t;
t.start();
#endif
// attempt to open the file
HANDLE handle = CreateFile(fileName, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | (randomAccess ? FILE_FLAG_RANDOM_ACCESS : 0), NULL);
// check to make sure the file opened sucessfully
if (handle == INVALID_HANDLE_VALUE)
return NULL;
#ifdef _DEBUG
t.stop();
ms_time += t.getElapsedTime();
#endif
return new OsFile(handle);
}
/**
* Stops the SwitchCameras trace and prints out results.
*/
void SwitchCameras::stop(void)
{
if (gSwitchCameras.isRunning() && gSwitchCamerasCalled == true) {
if (gPnPBreakdown.isRunning())
PnPBreakdown::step("Switch::stop");
if (gSwitchCamerasOriginalVideoMode == gSwitchCamerasVideoMode) {
LOGD("Using %s mode, Switch from %s camera to %s camera, SWITCH time::\t%lldms\n",
(gSwitchCamerasVideoMode ? "video" : "camera"),
((gSwitchCamerasOriginalCameraId == 0) ? "back" : "front"),
((gSwitchCamerasOriginalCameraId == 1) ? "back" : "front"),
gSwitchCameras.timeUs() / 1000);
} else {
LOGD("Using %s camera, Switch from %s mode to %s mode, SWITCH time::\t%lldms\n",
((gSwitchCamerasOriginalCameraId == 0) ? "back" : "front"),
(gSwitchCamerasOriginalVideoMode ? "video" : "camera"),
(gSwitchCamerasVideoMode ? "video" : "camera"),
gSwitchCameras.timeUs() / 1000);
}
gSwitchCamerasCalled = false;
gSwitchCameras.stop();
}
}
int OsFile::getFileSize(const char *fileName)
{
NOT_NULL(fileName);
#ifdef _DEBUG
PerformanceTimer t;
t.start();
#endif
HANDLE handle = CreateFile(fileName, 0, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (handle == INVALID_HANDLE_VALUE)
return -1;
int const size = GetFileSize(handle, NULL);
CloseHandle(handle);
#ifdef _DEBUG
t.stop();
ms_time += t.getElapsedTime();
#endif
return size;
}
int OsFile::read(void *destinationBuffer, int numberOfBytes)
{
#ifdef _DEBUG
PerformanceTimer t;
t.start();
#endif
DWORD amountReadDword;
BOOL result = ReadFile(m_handle, destinationBuffer, static_cast<uint>(numberOfBytes), &amountReadDword, NULL);
// miles crasher hack
#if 0
FATAL(!result, ("FileStreamerThread::processRead ReadFile failed to read '%d' bytes with error '%d'", static_cast<uint>(numberOfBytes), GetLastError()));
#else
if(!result)
{
if(GetLastError() == 998) // access violation - buffer coming from miles hosed
{
WARNING(true,("FileStreamerThread::processRead ReadFile failed to read '%d' bytes with error '%d'", static_cast<uint>(numberOfBytes), GetLastError()));
return 0;
}
else
{
FATAL(true, ("FileStreamerThread::processRead ReadFile failed to read '%d' bytes with error '%d'", static_cast<uint>(numberOfBytes), GetLastError()));
}
}
#endif
// end miles crasher hack
#ifdef _DEBUG
t.stop();
ms_time += t.getElapsedTime();
#endif
m_offset += static_cast<int>(amountReadDword);
return static_cast<int>(amountReadDword);
}
