[Mesa-dev] [PATCH 1/3] vl/dri3: use external texture as back buffers

[Leo Liu]

Regarding to xcb_present_pixmap client call, you might have to check 
xserver present/present.c on how xserver deal with it.

Regards,
Leo

On 11/02/2016 10:55 AM, Nayan Deshmukh wrote:
> Hi Leo,
>
> To support clipping of the output texture I was trying to send a 
> xcb_xfixes_region as the fifth argument (i.e valid-area) to
> xcb_present_pixmap but it still displays the entire surface. Am I 
> missing something?
>
> Regards,
> Nayan
>

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