[Scummvm-devel] 16bit alpha blending

[Johannes Schickel]

On 05/02/2011 10:49 PM, Marcus Comstedt wrote:
> Johannes Schickel<lordhoto at scummvm.org>  writes:
>
>> Seeing that Groovie2 seems to use cursors with alpha blending (check the
>> mails by Scott) I guess there's some minor argument against the above
>> quoted proposal.
> Yes, and IIRC it wants non-premultiplied alpha
> (glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA)), so until an engine
> with some other requirement turns up we could just standardize on that
> and let the backend premultiply in software if it needs to.
>


Fine with me.

// Johannes