overlay: Generate unique name for snapshots

Since we no longer increment the counter every frame, we need to use a
timestamp instead.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-08-28 12:37:14 +01:00
parent a18023f678
commit 9bebbbc49b

View File

@ -34,6 +34,7 @@
#include <errno.h>
#include <signal.h>
#include <getopt.h>
#include <time.h>
#include "overlay.h"
#include "chart.h"
@ -754,6 +755,13 @@ static int get_sample_period(struct config *config)
return 500000;
}
static void overlay_snapshot(struct overlay_context *ctx)
{
char buf[1024];
sprintf(buf, "/tmp/overlay-snapshot-%ld.png", (long)time(NULL));
cairo_surface_write_to_png(ctx->surface, buf);
}
int main(int argc, char **argv)
{
static struct option long_options[] = {
@ -853,9 +861,7 @@ int main(int argc, char **argv)
overlay_show(ctx.surface);
if (take_snapshot) {
char buf[80];
sprintf(buf, "overlay-snapshot-%d.png", i-1);
cairo_surface_write_to_png(ctx.surface, buf);
overlay_snapshot(&ctx);
take_snapshot = 0;
}