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Backbuffer alpha channel

Started by Cybrosys Mar 22, 2004 at 4:54 PM 0 replies 250+ views
Original Post
Cybrosys
Cybrosys
What can't I do if my backbuffer doesn't have an alpha channel? [edited by - Cybrosys on March 22, 2004 5:59:31 PM]
Namethatnobodyelsetook
Namethatnobodyelsetook
You can''t use SRCBLEND or DESTBLEND of D3DBLEND_DESTALPHA, or D3DBLEND_INVDESTALPHA. ie: You can''t attempt to blend with alpha written from a previous pass.

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