From 48b102c5a60642687574413bf149273e43224b57 Mon Sep 17 00:00:00 2001 From: Mark Thompson Date: Sun, 9 Feb 2020 19:15:53 +0000 Subject: [PATCH] doc/ffmpeg: Document device selection for Vulkan --- doc/ffmpeg.texi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi index dd461c02fc..29753f06ca 100644 --- a/doc/ffmpeg.texi +++ b/doc/ffmpeg.texi @@ -1029,6 +1029,20 @@ Choose the GPU device on the second platform supporting the @emph{cl_khr_fp16} extension. @end table +@item vulkan +If @var{device} is an integer, it selects the device by its index in a +system-dependent list of devices. If @var{device} is any other string, it +selects the first device with a name containing that string as a substring. + +Examples: +@table @emph +@item -init_hw_device vulkan:1 +Choose the second device on the system. + +@item -init_hw_device vulkan:RADV +Choose the first device with a name containing the string @emph{RADV}. +@end table + @end table @item -init_hw_device @var{type}[=@var{name}]@@@var{source}