143b65f761
If an application requests a generic compressed format for a texture and the driver does not pick a specific compressed format, return the generic base format (e.g., GL_RGBA) for the GL_TEXTURE_INTERNAL_FORMAT query. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=3165 Reviewed-by: Brian Paul <brianp@vmware.com>