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
We already do have a texture with an internal format in these paths, so we should check the required format according to it. This fixes CoglAtlasTexture (and CoglPangoRenderer indirectly), as it forces a RGBA format on its texture, but pixel_format_to_gl() anyway assumed swizzling is performed on the texture, while it is not the case. https://bugzilla.gnome.org/show_bug.cgi?id=779234