You can't using native commands - if that's what you meant.
If you want to do this you'll have to write your own commands. Basically, it's like: read pixel from buffer...read pixel and alpha value from sprite...blend colors...write pixel.
Hope that helps at all.
M
If you want to do this you'll have to write your own commands. Basically, it's like: read pixel from buffer...read pixel and alpha value from sprite...blend colors...write pixel.
Hope that helps at all.
M