Support for the hardware overlay in Kdrive

[manisha salve]

Hi ,

I want to write a driver for my graphics card in Kdrive .The graphics card
has trasparent overlay support.We can use that overlay as a normal
Framebuffer .I want to use this overlay to show transparent windows on it.

I have gone through the DDX drivers in Kdrive , but no one has provided
support for hardware overlay . How can i tell the gtk applications about
this overlay, so that  gkt applications can write on it ????


Thanks in Advance
-Manisha
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