Hello Does overlay support alpha? William -----Original Message----- From: Ville Syrjälä [mailto:ville.syrjala@xxxxxxxxxxxxxxx] 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@xxxxxxxxxxxxxxx] > 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@xxxxxxxxxxxxxxxxxxxxx > > http://lists.freedesktop.org/mailman/listinfo/dri-devel > > > -- > Ville Syrjälä > Intel OTC -- Ville Syrjälä Intel OTC _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
