[MPlayer-dev-eng] Direct3D vo image equalizer question

[Georgi Petrov]

> I want to implement brightness/contrast/hue/etc. for direct3d vo. I
> was naive enough to believe that there's Direct3D API which operates
> on a surface and changes those properties, but I seem to be wrong. I
> guess that I should write a pixel shared to do the work, but do you
> have any better ideas? For example I took a look in vo_gl.c to see
> what it's doing. It creates something called custom fragment, which I
> believe is an equivalent of a pixel shader code in D3D. I think that
> the needed transformations are not performed on the CPU (which would
> be pretty pointless since we have eq filter already), but isn't there
> a way to accomplish this somewhat easier? May be this is not the right
> place to ask, so I won't mind if nobody has a good idea. I'll continue
> to investigate.

I asked the question at the right place and got the right answer. I'll
submit a patch for review when I'm ready. In short - I'll have to use
pixel and vertex shaders.

For everybodye interested, the thread:
http://www.gamedev.net/community/forums/topic.asp?topic_id=523659