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today i programmed my first image kernel, another step on the journey of making custom technology to fulfil what i want to do artistically. and this one was with real, low-level code: its basically writing a shader for the graphics card, eek! actually not so hard at all, the code was pretty easy, it was the process of working out the maths required that took time to wrap my head back around.
osx is developing so well for video: you can write your image kernel in the appropriate quartz composer node, load that into a layer in the vj app vdmx, and then find all your kernel inputs natively displayed in the vj interface. so now not only do i have the exact kind of mixing i want processing at maximum efficiency, i’ve simplified my vdmx setup no-end with just one panel with all the controls, instead of a mish-mash of filters and blend modes spread around the different layers.
