On Fri, Dec 09, 2016 at 01:03:33PM +0200, Tomi Valkeinen wrote: > On 30/11/16 15:32, Daniel Vetter wrote: > > On Wed, Nov 30, 2016 at 01:17:05PM +0200, Tomi Valkeinen wrote: > >> Add DRM property for crtc background color property. Background > >> color is shown on areas where there are no planes. > >> > >> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx> > > > > Where is the userspace for this? Why is this not part of the general > > blending engine we expose through kms, and try to document in drm_blend.c? > > E.g. there's i915 background color patches too, but they haven't landed > > yet because there's not yet an open-source userspace for it. Or proper > > uabi documentation. > > I'll drop this for now, and see later how to do it in a generic way. > > But I'm not sure what you mean with userspace here. Do you mean that we > should have a libdrm wrapper for all DRM properties? No, some real thing like drm_hwcomposer or weston support or something similar that gives us a clear idea how this thing is supposed to work and how it fits into the overall blending equations kms compositors can expect from properly working drivers. See https://dri.freedesktop.org/docs/drm/gpu/drm-uapi.html#open-source-userspace-requirements -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
