[Scummvm-devel] 16bit alpha blending

[Johannes Schickel]

On 02/20/2011 10:29 PM, Scott Thomas wrote:
> On 21/02/2011 2:18 AM, Johannes Schickel wrote:
>
>> Since there is currently no engine (that I am aware of), which wants to
>> take advantage of an alpha value on the cursor, it feels like over
>> engineering if we would add support for multiple blending modes now.
>>
>> // Johannes
> Groovie V2 uses cursors with a 4bit alpha, however for simplicity I
> currently treat it as a 1bit alpha.  This would be to smooth the edges
> of the cursors out (currently it's a little jagged) and presumably to
> implement the translucent cursors that the original has.   Although IMO
> the fully solid ones look better.

What is the blending style it uses? Pre-multiplied blending?

// Johannes