The additions in version 5 enables creating EGLImages for different planes
of a YUV buffer. createImageFromName is still used to create the containing
__DRIimage, and createSubImage can then be used no that __DRIimage to create
__DRIimages that correspond to the y, u, and v planes (__DRI_IMAGE_FORMAT_R8)
or the uv planes (__DRI_IMAGE_FORMAT_RG88) for formats such as NV12 where
the u and v components are interleaved. Packed formats such as YUYV etc
doesn't require any special treatment, we just sample those as a regular
ARGB texture.
Signed-off-by: Kristian Høgsberg <krh@bitplanet.net>
c029834808