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Diffstat (limited to 'misc/fbdump/README')
| -rw-r--r-- | misc/fbdump/README | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/misc/fbdump/README b/misc/fbdump/README index 1840f20592..c7cd539bb1 100644 --- a/misc/fbdump/README +++ b/misc/fbdump/README @@ -1,8 +1,15 @@ +fbdump (captures the visible portion of framebuffer to stdout) + fbdump is a simple tool that captures the contents of the visible portion of the Linux framebuffer device and writes it to the standard output as a PPM file. In other words, it takes a screenshot of anything running on the framebuffer. It currently has fairly complete support for packed-pixel framebuffer types and also works with the VGA16 framebuffer driver. -To get a popular image format, issue a command like -'fbdump | pnmtopng > shot.png' +To get a popular image format, issue a command like: + + fbdump | pnmtopng > shot.png + +Note: fbdump is rather slow on modern systems with high-resolution +framebuffers at 32-bit color depth. On the maintainer's system, it takes +8 seconds to dump a 1920x1080x32 framebuffer. Be patient. |