Help on drmModeSetPlane

[Xie, William]

Hello

Does overlay support alpha?

William

-----Original Message-----
From: Ville Syrjälä [mailto:ville.syrjala at linux.intel.com] 
Sent: Wednesday, April 15, 2015 10:34 PM
To: Xie, William
Cc: DRI Development
Subject: Re: Help on drmModeSetPlane

On Wed, Apr 15, 2015 at 02:24:14PM +0000, Xie, William wrote:
> Oh, I tried it on BDW.
> So we need to use other way to scale the video to full screen?

Yes, unfortunately.

> 
> William
> 
> 
> -----Original Message-----
> From: Ville Syrjälä [mailto:ville.syrjala at linux.intel.com]
> Sent: Wednesday, April 15, 2015 7:23 PM
> To: Xie, William
> Cc: DRI Development
> Subject: Re: Help on drmModeSetPlane
> 
> On Wed, Apr 15, 2015 at 08:49:39AM +0000, Xie, William wrote:
> > To make it more specific,
> > 
> > For example:
> > 1: video frame size is 1280x720,
> > 2: screen resolution is 3200x1800,
> > 
> > How can I set crtc and src parameters?
> > 
> > 1: crtc (0, 0, 3200, 1800)  src (0, 0, 3200<<16, 1800<<16)
> > 2: crtc (0, 0, 3200, 1800)  src (0, 0, 1280<<16, 720<<16)
> > 
> > Which one is correct?
> 
> 2 is correct.
> 
> What hardware are you trying this on? Do note that on HSW/BDW/VLV/CHV the hardware lost the plane scaling ability. It's coming back on SKL.
> 
> > 
> > William
> > 
> > From: Xie, William
> > Sent: Wednesday, April 15, 2015 3:55 PM
> > To: DRI Development; DRI Development
> > Subject: Help on drmModeSetPlane
> > 
> > Question please, could someone share the meaning of the parameters for drmModeSetPlane in libdrm?
> > 
> > int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id,
> >                                     uint32_t fb_id, uint32_t flags,
> >                                     int32_t crtc_x, int32_t crtc_y,
> >                                     uint32_t crtc_w, uint32_t crtc_h,
> >                                     uint32_t src_x, uint32_t src_y,
> >                                     uint32_t src_w, uint32_t src_h)
> > 
> > 
> > My problem is, whatever value I set, the video is not full screen 
> > mode, Anything I missed?
> > 
> > Thanks
> > William
> > 
> > 
> > 
> > 
> 
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/dri-devel
> 
> 
> --
> Ville Syrjälä
> Intel OTC

--
Ville Syrjälä
Intel OTC