On Tuesday, 2016-11-15 12:27:44 -0500, Rob Clark wrote:
> see drm_fourcc.h (if the extension txt didn't mention that, perhaps it should)
It does :)
These attribute values together form an unsigned 64-bit value called
a format modifier. Format modifiers are specified by drm_fourcc.h and
used as the modifier parameter of the drm_mode_fb_cmd2 ioctl.
The exact meaning and effect of any modifier is canonically defined by
drm_fourcc.h, not as part of this extension.
Cheers,
Eric
>
> BR,
> -R
>
> On Tue, Nov 15, 2016 at 12:23 PM, Roland Scheidegger <[email protected]>
> wrote:
> > It looks like there aren't any possible modifier bits defined, so how is
> > this supposed to work?
> >
> > Roland
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