X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=flags.cpp;h=ffba26961e082c29ee2b8d293dbca5007c6cac13;hb=ffdaf77a93025a46bf2c428b881ea73a2ed6c8c4;hp=f8fea018ea89add3c754a604cfea5973eff1cc63;hpb=a7e2ac88533d4a24b740c9fcf2b911c7b07541e0;p=nageru

diff --git a/flags.cpp b/flags.cpp
index f8fea01..ffba269 100644
--- a/flags.cpp
+++ b/flags.cpp
@@ -6,13 +6,32 @@
 
 Flags global_flags;
 
+void usage()
+{
+	fprintf(stderr, "Usage: nageru [OPTION]...\n");
+	fprintf(stderr, "\n");
+	fprintf(stderr, "  -h, --help                      print usage information\n");
+	fprintf(stderr, "  -c, --num-cards                 set number of input cards (default 2)\n");
+	fprintf(stderr, "  -t, --theme=FILE                choose theme (default theme.lua)\n");
+	fprintf(stderr, "  -v, --va-display=SPEC           VA-API device for H.264 encoding\n");
+	fprintf(stderr, "                                    ($DISPLAY spec or /dev/dri/render* path)\n");
+	fprintf(stderr, "      --http-uncompressed-video   send uncompressed NV12 video to HTTP clients\n");
+	fprintf(stderr, "      --flat-audio                start with most audio processing turned off\n");
+	fprintf(stderr, "      --no-flush-pbos             do not explicitly signal texture data uploads\n");
+	fprintf(stderr, "                                    (will give display corruption, but makes it\n");
+	fprintf(stderr, "                                    possible to run with apitrace in real time)\n");
+}
+
 void parse_flags(int argc, char * const argv[])
 {
 	static const option long_options[] = {
+		{ "help", no_argument, 0, 'h' },
 		{ "num-cards", required_argument, 0, 'c' },
 		{ "theme", required_argument, 0, 't' },
 		{ "va-display", required_argument, 0, 1000 },
 		{ "http-uncompressed-video", no_argument, 0, 1001 },
+		{ "flat-audio", no_argument, 0, 1002 },
+		{ "no-flush-pbos", no_argument, 0, 1003 },
 		{ 0, 0, 0, 0 }
 	};
 	for ( ;; ) {
@@ -35,8 +54,19 @@ void parse_flags(int argc, char * const argv[])
 		case 1001:
 			global_flags.uncompressed_video_to_http = true;
 			break;
+		case 1002:
+			global_flags.flat_audio = true;
+			break;
+		case 1003:
+			global_flags.flush_pbos = false;
+			break;
+		case 'h':
+			usage();
+			exit(0);
 		default:
 			fprintf(stderr, "Unknown option '%s'\n", argv[option_index]);
+			fprintf(stderr, "\n");
+			usage();
 			exit(1);
 		}
 	}