Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Creating alpha channels for VIP

I was wondering how other VIP users were creating alpha channels for custom blocks that don't render into a frame buffer. I've recently discovered that the VIP Alpha Mixer treats the alpha and data c...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

The alpha value defaults to what you entered for the DEFAULT_ALPHA_VALUE parameter but can be changed by writing a new value to register 2 in the register map. This is based on version 1.0 of the documentation for this block.