Add a switch to print video latency.

[nageru] / flags.cpp

diff --git a/flags.cpp b/flags.cpp
index 279ea426e92d0644a4a1eb82cd00edd1fc6df3e9..239a688e428e4871296c8ed9644e8ddda817ffa7 100644 (file)
--- a/flags.cpp
+++ b/flags.cpp
@@ -44,7 +44,8 @@ enum LongOption {
        OPTION_DISABLE_MAKEUP_GAIN_AUTO,
        OPTION_ENABLE_MAKEUP_GAIN_AUTO,
        OPTION_DISABLE_ALSA_OUTPUT,
-       OPTION_NO_FLUSH_PBOS
+       OPTION_NO_FLUSH_PBOS,
+       OPTION_PRINT_VIDEO_LATENCY
 };
 
 void usage()
@@ -98,6 +99,7 @@ void usage()
        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");
+       fprintf(stderr, "      --print-video-latency       print out measurements of video latency on stdout\n");
 }
 
 void parse_flags(int argc, char * const argv[])
@@ -143,6 +145,7 @@ void parse_flags(int argc, char * const argv[])
                { "enable-makeup-gain-auto", no_argument, 0, OPTION_ENABLE_MAKEUP_GAIN_AUTO },
                { "disable-alsa-output", no_argument, 0, OPTION_DISABLE_ALSA_OUTPUT },
                { "no-flush-pbos", no_argument, 0, OPTION_NO_FLUSH_PBOS },
+               { "print-video-latency", no_argument, 0, OPTION_PRINT_VIDEO_LATENCY },
                { 0, 0, 0, 0 }
        };
        vector<string> theme_dirs;
@@ -292,6 +295,9 @@ void parse_flags(int argc, char * const argv[])
                case OPTION_NO_FLUSH_PBOS:
                        global_flags.flush_pbos = false;
                        break;
+               case OPTION_PRINT_VIDEO_LATENCY:
+                       global_flags.print_video_latency = true;
+                       break;
                case OPTION_HELP:
                        usage();
                        exit(0);