slang-shaders/border/autocrop-koko.txt
2024-04-22 10:44:25 +02:00

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**Autocrop**:
Clears solid bars around the frame.
Autocrop maximum amount:
The higher, the more solid borders wil be cropped around the image.
0.3 means 30%
Number of mandatory lines to crop:
The minimum lines to always crop; this is useful because sometimes
games have one or two "spurious" lines at the very edge of the screen that
won't allow autocrop to work at all.
This can be used to ignore them.
Samples per frame:
Higher values makes the shader search more in a single frame for solid areas.
This leads to more accurate result in less time, however it will also stress the gpu more.
Fortunately even low/lighter values like 10 will work good if you're ok
in waiting 2..3 seconds for the final crop value to be found.
Sample size:
Search multiple pixels at once, this provide a big performance boost, but less accuracy.
It means that some solid bar could remain around the image.
Scene change treshold
When autocrop finds a maximum crop value, it only tries to crop more when the scene changes.
By lowering this value, you tell the shader to try higher the crop more often.
Use 0.0 is probably useful only to trigger a new search.
Transition speed
This modulates the smoothness of the animation between various crop values.