[Bug 58185] Green lines at bottom/right when using XV to render only part of a image

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58185

--- Comment #8 from Sebastian Dröge <slomo at circular-chaos.org> ---
(In reply to comment #7)
> (In reply to comment #6)
> > (In reply to comment #4)
> > > The green is an artifact of you padding with zero and the hardware sampling
> > > those border pixels. Step 1: stop lying.
> > 
> > Step 1: don't read pixels outside of the given region
> 
> Ah, but it is not. You've included the pad pixels in your source region.

What do you mean? The source region only contains the part that should be
rendered, i.e. not the padding.

> > > But you need to be more careful with your source data.
> > 
> > I suspect there is more going on. Filling the complete image with the same
> > color also creates a small line when cropping so I don't know where it is
> > getting these other colors from.
> 
> What do you mean by complete image?

The complete XvImage

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