void SimulationAnimationPatch::update(set<Device *> devices,
IsUpdateRequiredFunction isUpdateRequired,
InterruptFunction interruptRender,
ClearUpdateFlagsFunction clearUpdateFlags) {
// Doesn't respond if it's stopped.
if (m_mode == SimulationAnimationMode::STOPPED)
return ;
FrameDeviceInfo frame;
// Fulls time and mode for frame info.
createFrameInfoHeader(frame);
// Checks if an update is needed.
bool rerender_req = isUpdateRequired(devices);
// There's no need to send this frame
if (!rerender_req)
return ;
createFrameInfoBody(devices, frame);
std::stringstream ss;
ss << "Sent new frame: " << frame.time << "(" << frame.mode << ")";
Logger::log(LDEBUG, ss.str());
// Interrupts the current rendering if in the interactive mode.
if (m_mode == SimulationAnimationMode::INTERACTIVE ||
m_mode == SimulationAnimationMode::RECORDING) {
interruptRender();
}
// Enqueues.
enqueueFrameInfo(frame);
// A flag cleared means the task has been indeed inserted
clearUpdateFlags();
}
void ArnoldAnimationPatch::renderSingleFrameToBuffer(const set<Device*>& devices, unsigned char* buff, int w, int h) {
if (m_mode != SimulationAnimationMode::STOPPED)
disableContinuousRenderMode();
FrameDeviceInfo frame;
// Fulls time and mode for frame info.
createFrameInfoHeader(frame);
createFrameInfoBody(devices, frame, true);
std::stringstream ss;
ss << "Rendering single frame: " << frame.time;
Logger::log(LDEBUG, ss.str());
// Interrupts the current rendering if in the interactive mode.
if (m_mode == SimulationAnimationMode::INTERACTIVE ||
m_mode == SimulationAnimationMode::RECORDING) {
interruptRender();
}
// Render immediately.
if (!m_interface->isDistributedOpen()) {
m_interface->init(this->toJSON());
// Check if we were able to open a connection
if (!m_interface->isDistributedOpen()) {
std::cerr << "Connection could not be established. " <<
"Check to make sure your host and port " <<
"parameters are correct and that nobody " <<
"else is currently using the remote renderer" << std::endl;
return;
}
}
bool success = false;
float* bp = nullptr;
int cid;
if (CachingArnoldInterface* ci = dynamic_cast<CachingArnoldInterface*>(m_interface)) {
#ifdef USE_ARNOLD
success = ci->render(devices, w, h, cid) == AI_SUCCESS;
#else
success = ci->render(devices, w, h, cid) == 0;
#endif
// we need to pull the proper buffer from the right context
bp = ci->getBufferForContext(cid);
frame.clear();
}
else {
updateLight(devices);
success = ArnoldPatch::renderLoop(devices);
frame.clear();
bp = getBufferPointer();
}
if (success) {
for (int j = 0; j < h; j++) {
for (int i = 0; i < w; i++) {
int offset = (j * w + i) * 4;
// convert to bytes
buff[offset] = static_cast<unsigned char>(bp[offset + 2] * 0xff);
buff[offset + 1] = static_cast<unsigned char>(bp[offset + 1] * 0xff);
buff[offset + 2] = static_cast<unsigned char>(bp[offset + 0] * 0xff);
buff[offset + 3] = static_cast<unsigned char>(bp[offset + 3] * 0xff);
}
}
}
if (CachingArnoldInterface* ci = dynamic_cast<CachingArnoldInterface*>(m_interface)) {
ci->closeContext(cid);
}
}
void ArnoldAnimationPatch::renderSingleFrame(const set<Device*>& devices, string basepath, string filename) {
if (m_mode != SimulationAnimationMode::STOPPED)
disableContinuousRenderMode();
FrameDeviceInfo frame;
// Fulls time and mode for frame info.
createFrameInfoHeader(frame);
createFrameInfoBody(devices, frame);
std::stringstream ss;
ss << "Rendering single frame: " << frame.time;
Logger::log(LDEBUG, ss.str());
// Interrupts the current rendering if in the interactive mode.
if (m_mode == SimulationAnimationMode::INTERACTIVE ||
m_mode == SimulationAnimationMode::RECORDING) {
interruptRender();
}
// Render immediately.
if (!m_interface->isDistributedOpen()) {
m_interface->init(this->toJSON());
// Check if we were able to open a connection
if (!m_interface->isDistributedOpen()) {
std::cerr << "Connection could not be established. " <<
"Check to make sure your host and port " <<
"parameters are correct and that nobody " <<
"else is currently using the remote renderer" << std::endl;
return;
}
}
bool success = false;
float* bp = nullptr;
int cid;
int w = getWidth();
int h = getHeight();
if (CachingArnoldInterface* ci = dynamic_cast<CachingArnoldInterface*>(m_interface)) {
#ifdef USE_ARNOLD
success = ci->render(devices, w, h, cid) == AI_SUCCESS;
#else
success = ci->render(devices, w, h, cid) == 0;
#endif
// we need to pull the proper buffer from the right context
bp = ci->getBufferForContext(cid);
frame.clear();
}
else {
updateLight(devices);
success = ArnoldPatch::renderLoop(devices);
frame.clear();
bp = getBufferPointer();
}
if (success) {
unsigned char *bytes = new unsigned char[w * h * 4];
floats_to_bytes(bytes, bp, w, h);
string file = basepath + "/" + filename + ".png";
if (!imageio_save_image(file.c_str(), bytes, getWidth(), getHeight())) {
std::stringstream err_ss;
err_ss << "Error to write png: " << filename;
Logger::log(ERR, err_ss.str());
}
}
if (CachingArnoldInterface* ci = dynamic_cast<CachingArnoldInterface*>(m_interface)) {
ci->closeContext(cid);
}
}