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Mix quad border color with background color based on its alpha channel

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Co-Authored-By: Max Brunsfeld <maxbrunsfeld@gmail.com>
This commit is contained in:
Nathan Sobo 2021-09-14 16:59:09 -06:00
parent b63b717eac
commit 426d52d8c1
1 changed files with 2 additions and 1 deletions
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3
gpui/src/platform/mac/shaders/shaders.metal
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@ -70,9 +70,10 @@ float4 quad_sdf(QuadFragmentInput input) {
if (border_width == 0.) {
color = input.background_color;
} else {
float4 border_color = float4(mix(float3(input.background_color), float3(input.border_color), input.border_color.a), 1.);
float inset_distance = distance + border_width;
color = mix(
input.border_color,
border_color,
input.background_color,
saturate(0.5 - inset_distance)
);