[Mesa-dev] [PATCH] intel: Fix ReadPixels on buffers whose width >= 32kbytes

Paul Berry stereotype441 at gmail.com
Mon Jan 28 12:33:12 PST 2013


On 24 January 2013 13:59, Eric Anholt <eric at anholt.net> wrote:

> Paul Berry <stereotype441 at gmail.com> writes:
>
> > Yeah, you're right.  I was being lazy.  How's this:
>
> >     * Furthermore, intelEmitCopyBlit (which is called by
> >     * intel_miptree_map_blit) uses a signed 16-bit integer to represent
> > buffer
> >     * pitch, so it can only handle buffer pitches < 32k.
> >     *
> >     * As a result of these two limitations, we can only use
> >     * intel_miptree_map_blit() when the region's pitsh is less than 32k.
>                                                   "pitch"
>
> Other than that,
>
> Reviewed-by: Eric Anholt <eric at anholt.net>
>

Fixed, thanks.
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