On Tue, Dec 18, 2012 at 11:51 PM, Chris Wilson <chris at chris-wilson.co.uk> wrote: > As we can only pass in the base address of the first plane, we can not > control the offset into the subsampled chroma planes. This means that we > cannot support a source offset into a YUV* linear framebuffer. However, > for tiled framebuffers we can tell the hardware which pixels to read > from. So if we see a source offset into a linear YUV framebuffer, report > the invalid value back to userspace. > > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk> Aren't all the yuv formats we support packet planar? So I think we should be able to support source offsets, as long as x is even ... Probably not worth the bother though. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch
