[PD] freehand drawing on video in GEM

Spencer Russell spencer.f.russell at gmail.com
Tue Jul 22 16:38:23 CEST 2008

On Tue, Jul 22, 2008 at 9:42 AM, Jack <jack at rybn.org> wrote:
> Le 22 juil. 08 à 02:10, <Mark_Danks at PlayStation.Sony.Com> a écrit :
> Single buffered drawing won't work with what he is describing, unless he
> repaints all of the brush strokes.  When a new video frame is drawn, it will
> overwrite everything.  This can be worked around by playing with the Z
> values though...set the video to draw behind the brush strokes and then make
> sure that you do Z writes for the brushes.  However, you won't be able to do
> alpha with this...
> Yes Mark, this the first patch join to this mail (paintandvideo.pd).

paintandvideo.pd is exactly what I needed. Thanks Jack! I guess I was
still fuzzy on how the buffering works, because I didn't realize that
you could render something behind something else in single-buffer


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