5 shader techniques for film-like image processing
Use Metal Shading Langage
Published in
2 min readOct 15, 2018
Overview
There're various kinds of textures of film-style photos, but most of them are combinations of the following simple processing. I will introduce them along with shader codes.
Please refer to my previous article for how to use metal shader.
5 shader techniques
1. Sharpen
It weakens blur and generates unique noise.
2. Chromatic Aberration
It's prone to occur in inexpensive lenses such as toy cameras.
3. High Contrast / Low Contrast
4. High Saturation / Low Saturation
5. Blend (Add)
It's composition of multiple textures for Light leaks, Film grain and Vignetting.
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