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fixed shadow shader

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This commit is contained in:
Will McKinnon 2022-12-11 16:18:19 -05:00
parent 7b03b95223
commit f2822ab5d5
1 changed files with 1 additions and 1 deletions
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sway/desktop/shaders/box_shadow.frag
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@ -19,7 +19,7 @@ vec4 erf(vec4 x) {
// return the mask for the shadow of a box from lower to upper
float box_shadow(vec2 lower, vec2 upper, vec2 point, float sigma) {
vec4 query = vec4(point - lower, upper - point);
vec4 query = vec4(point - lower, point - upper);
vec4 integral = 0.5 + 0.5 * erf(query * (sqrt(0.5) / sigma));
return (integral.z - integral.x) * (integral.w - integral.y);
}