On Tue, Apr 09, 2019 at 01:59:21PM +0000, Jim Zhang wrote: > Nice, do you have any sample code for it?
https://cgit.freedesktop.org/xorg/driver/xf86-video-intel/tree/src/sna/sna_video_sprite.c is the only userspace code we have that uses the colorkey. > > Thanks, > > Jim > > > Caterpillar: Confidential Green > > -----Original Message----- > From: Ville Syrjälä <ville.syrj...@linux.intel.com> > Sent: Tuesday, April 9, 2019 8:57 AM > To: Jim Zhang <zhang_...@cat.com> > Cc: intel-gfx@lists.freedesktop.org; dri-de...@lists.freedesktop.org > Subject: Re: [Intel-gfx] colorkey support for intel i915 gpu driver > > On Tue, Apr 09, 2019 at 04:46:24PM +0300, Ville Syrjälä wrote: > > On Tue, Apr 09, 2019 at 01:29:41PM +0000, Jim Zhang wrote: > > > Villie: > > > > > > What is Intel's plan for the colorkey patch? Does Intel have any plan > > > to review and release? > > > > There is no real plan at this time. But if you have a use case for it > > I can try to harass people until someone reviews it :) > > > > > If I go with custom ioctl, and my custom ioctl will only used in Baytrail > > > product, could it be atomic for Baytrail only? > > > > No. We would need to define a new api for it. > > I should clarify that you can pre-configure the colorkey before turning on > the sprite plane(s). So unless you really need to change the colorkey while > the sprite plane(s) are already enabled you may not even need an atomic api > for this. > > > > > > > > > Thanks, > > > > > > Jim > > > > > > > > > Caterpillar: Confidential Green > > > > > > -----Original Message----- > > > From: Ville Syrjälä <ville.syrj...@linux.intel.com> > > > Sent: Tuesday, April 2, 2019 7:32 AM > > > To: Jim Zhang <zhang_...@cat.com> > > > Cc: dri-de...@lists.freedesktop.org; intel-gfx@lists.freedesktop.org > > > Subject: Re: colorkey support for intel i915 gpu driver > > > > > > On Mon, Apr 01, 2019 at 08:18:13PM +0000, Jim Zhang wrote: > > > > Hi Sir/Madam: > > > > > > > > I am using the open source Baytrail gpu drm driver. > > > > > > > > Linux kernel version 3.10.61: > > > > Libdrm package: 2.4.97 > > > > > > > > When calling function > > > > properties = drmModeObjectGetProperties(drmfd, plane_id, > > > > DRM_MODE_OBJECT_PLANE); it only returns only one property: > > > > > > > > This property is: > > > > property->name = "rotation", property->prop_id =4 It looks like > > > > that the Baytrail gpu drm driver does not support colorkey. > > > > > > There are two problems currently: > > > - Destination colorkey is not implemented on BYT/CHV. I have > > > patches for it but they have not been reviewed by anyone: > > > > > > https://urldefense.proofpoint.com/v2/url?u=https-3A__patchwork.freed > > > esktop.org_series_43902_&d=DwIDAw&c=p0oa49nxxGtbbM2qgM-GB4r4m9OlGg-s > > > Ep8sXylY2aQ&r=kszNssoSc2KF2GeTYwo7za6kdvLoemctuEIYtXbA4PI&m=ztfgUCy9 > > > ePzHa0zagoDF75AfJJVbElfjXUWmbpBRM58&s=aXK10RLMgC4i_nBRGS6Jzzbv3pXo50 > > > PX79myDO5gEYA&e= > > > - Colorkey can only be set via a custom i915 specific ioctl > > > (DRM_I915_SET_SPRITE_COLORKEY). There have been a few attempts at > > > a generic property based API that never really went anywhere. It's > > > a rather difficult problem making this generic as each hardware has > > > its own peculiar way of specifying colorkeying. The main problem > > > with the custom ioctl is that it's not atomic with other screen > > > updates. > > > > > > So, what kind of use case do you have in mind? > > > > > > -- > > > Ville Syrjälä > > > Intel > > > > -- > > Ville Syrjälä > > Intel > > _______________________________________________ > > Intel-gfx mailing list > > Intel-gfx@lists.freedesktop.org > > https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.freedesktop > > .org_mailman_listinfo_intel-2Dgfx&d=DwIDAw&c=p0oa49nxxGtbbM2qgM-GB4r4m > > 9OlGg-sEp8sXylY2aQ&r=kszNssoSc2KF2GeTYwo7za6kdvLoemctuEIYtXbA4PI&m=Oyn > > sqGRzmnTMX2pxog1nBd_nnCa413-CM6loSIjLXXo&s=fjXVFmFDB_LEKe_W5PHzmzkzNPQ > > cu3xTPSCqb5Dnpwk&e= > > -- > Ville Syrjälä > Intel -- Ville Syrjälä Intel _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
