[Bug 727886] GstVideoGLTextureUploadMeta assumes no color conversion is done during upload

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=727886
  GStreamer | gst-plugins-base | git

--- Comment #33 from Nicolas Dufresne <nicolas.dufresne at collabora.co.uk> 2014-04-22 16:22:13 UTC ---
> As far as I have seen, the number of textures equals the number of planes of
> the given format. At least eglglessink used to assert this and glimagesink only
> supports RGBA (and asserts that n_textures == 1), so I have no example of
> another use case. Do you know one?

I don't. I've asked because I've remember that in some test we notice a
performance hit when doing YUV in 3 planes compare to doing the same YUV in 1
plane (was on Mali). But thinking of it, it might not be possible to represent
YUV planes correctly without having separate textures.

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