[Mesa-dev] [PATCH 3/6] st/dri: fix dri2_from_planar for multiplanar images

[Eric Anholt]

Lucas Stach <l.stach at pengutronix.de> writes:

> From: Philipp Zabel <p.zabel at pengutronix.de>
>
> Fix the gbm_dri_bo_get_handle_for_plane use case by allowing plane > 0
> in dri2_from_planar for images with multiple planes in separate chained
> texture resources.

This looks like a partial fix to me -- the dup will leave the child
image with the whole image's format and dri_components, when it should
be based on the format of the plane, right?

I think this path should probably be weaned off of dup_image.
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