18 lines
359 B
Plaintext
18 lines
359 B
Plaintext
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#ifndef _ROUNDED_RECT_FRAG_
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#define _ROUNDED_RECT_FRAG_
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#include "rounded-rect.glsl"
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float
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rounded_rect_coverage (RoundedRect r, vec2 p)
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{
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vec2 fw = abs (fwidth (p));
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float distance_scale = max (fw.x, fw.y);
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float distance = rounded_rect_distance (r, p) / distance_scale;
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float coverage = 0.5 - distance;
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return clamp (coverage, 0, 1);
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}
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#endif
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