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overlay: Some very raw usage information

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-09-22 19:00:59 +01:00
parent 145c0d1a26
commit 4d3e10d216
1 changed files with 16 additions and 1 deletions
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17
overlay/overlay.c
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@ -816,6 +816,17 @@ static void overlay_snapshot(struct overlay_context *ctx)
cairo_surface_write_to_png(ctx->surface, buf);
}
static void usage(const char *progname)
{
printf("intel-gpu-overlay -- realtime display of GPU statistics\n");
printf("Usage: %s [options]\n", progname);
printf("\t--config|-c <string> | <filename>\t\t\tSpecify an ini-style configuration string or file\n");
printf("\t--geometry|-G <width>x<height>+<x-offset>+<y-offset>\tExact window placement and size\n");
printf("\t--position|-P (top|middle|bottom)-(left|centre|right)\tPlace the window in a particular corner\n");
printf("\t--size|-S <width>x<height> | <scale>%%\t\t\tWindow size\n");
printf("\t--help|-h\t\t\t\t\t\tThis help message\n");
}
int main(int argc, char **argv)
{
static struct option long_options[] = {
@ -823,6 +834,7 @@ int main(int argc, char **argv)
{"geometry", 1, 0, 'G'},
{"position", 1, 0, 'P'},
{"size", 1, 0, 'S'},
{"help", 0, 0, 'h'},
{NULL, 0, 0, 0,}
};
struct overlay_context ctx;
@ -834,7 +846,7 @@ int main(int argc, char **argv)
config_init(&config);
opterr = 0;
while ((i = getopt_long(argc, argv, "c:fn?", long_options, &index)) != -1) {
while ((i = getopt_long(argc, argv, "c:fhn?", long_options, &index)) != -1) {
switch (i) {
case 'c':
config_parse_string(&config, optarg);
@ -856,6 +868,9 @@ int main(int argc, char **argv)
if (optarg)
renice = atoi(optarg);
break;
case 'h':
usage(argv[0]);
return 0;
}
}