Neil Roberts 61f2f1c024 Support foreign textures in the texture-2d and rectangle backends
This adds two new internal functions to create a foreign texture for
the texture 2d and rectangle backends. cogl_texture_new_from_foreign
will now use one of these backends directly if there is no waste
instead of always using the sliced texture backend.
2010-10-22 12:19:02 +01:00
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