Ralph Schuler ralphschuler
voltmtr
/ lumasharpen.glsl
Last active
July 11, 2023 00:25
usage: add post-shaders=~/config_directory/lumasharpen.glsl to your vo=opengl/opengl-hq config
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| // vim: set ft=glsl: | |
| /* | |
| LumaSharpen 1.4.1 | |
| original hlsl by Christian Cann Schuldt Jensen ~ CeeJay.dk | |
| port to glsl by Anon | |
| It blurs the original pixel with the surrounding pixels and then subtracts this blur to sharpen the image. | |
| It does this in luma to avoid color artifacts and allows limiting the maximum sharpning to avoid or lessen halo artifacts. |
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