static void options_parse(int argc, const char **argv)
{
options.width = 0;
options.height = 0;
options.filepath = "";
options.session = NULL;
options.quiet = false;
/* device names */
string device_names = "";
string devicename = "cpu";
bool list = false;
vector<DeviceType>& types = Device::available_types();
/* TODO(sergey): Here's a feedback loop happens: on the one hand we want
* the device list to be printed in help message, on the other hand logging
* is not initialized yet so we wouldn't have debug log happening in the
* device initialization.
*/
foreach(DeviceType type, types) {
if(device_names != "")
device_names += ", ";
device_names += Device::string_from_type(type);
}
/* shading system */
string ssname = "svm";
/* parse options */
ArgParse ap;
bool help = false, debug = false, version = false;
int verbosity = 1;
ap.options ("Usage: cycles [options] file.xml",
"%*", files_parse, "",
"--device %s", &devicename, ("Devices to use: " + device_names).c_str(),
#ifdef WITH_OSL
"--shadingsys %s", &ssname, "Shading system to use: svm, osl",
#endif
"--background", &options.session_params.background, "Render in background, without user interface",
"--quiet", &options.quiet, "In background mode, don't print progress messages",
"--samples %d", &options.session_params.samples, "Number of samples to render",
"--output %s", &options.session_params.output_path, "File path to write output image",
"--threads %d", &options.session_params.threads, "CPU Rendering Threads",
"--width %d", &options.width, "Window width in pixel",
"--height %d", &options.height, "Window height in pixel",
"--list-devices", &list, "List information about all available devices",
#ifdef WITH_CYCLES_LOGGING
"--debug", &debug, "Enable debug logging",
"--verbose %d", &verbosity, "Set verbosity of the logger",
#endif
"--help", &help, "Print help message",
"--version", &version, "Print version number",
NULL);
if(ap.parse(argc, argv) < 0) {
fprintf(stderr, "%s\n", ap.geterror().c_str());
ap.usage();
exit(EXIT_FAILURE);
}
if(debug) {
util_logging_start();
util_logging_verbosity_set(verbosity);
}
if(list) {
vector<DeviceInfo>& devices = Device::available_devices();
printf("Devices:\n");
foreach(DeviceInfo& info, devices) {
printf(" %-10s%s%s\n",
Device::string_from_type(info.type).c_str(),
info.description.c_str(),
(info.display_device)? " (display)": "");
}
exit(EXIT_SUCCESS);
}
void CCL_logging_verbosity_set(int verbosity)
{
util_logging_verbosity_set(verbosity);
}