Can't hook into the Double Buffer extension.

[Stirling Westrup]

I am writing a video driver for which I'd like to support the Double Buffer
Extension. However I need to hook some of the calling functions described
xorg/dbestruct.h, especially 'AllocateBackBuffer' and 'SwapBuffers'.

However, the only way to access them is via the private key for dbe, and
its not exported. Am I missing something, or is it really impossible to
hook those functions?


-- 
Stirling Westrup
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