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Fix tab bar edge strips rendered with opacity < 1 when background_opacity < 1

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copilot-swe-agent[bot]
2026-07-03 02:56:41 +00:00
committed by GitHub
parent 252d8b73f7
commit d68608b35a
1 changed files with 3 additions and 2 deletions
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5
kitty/border_vertex.glsl
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@@ -52,9 +52,10 @@ void main() {
float is_window_bg = is_integer_value(rc, WINDOW_BACKGROUND_PLACEHOLDER); // used by window padding areas
float is_default_bg = is_integer_value(rc, DEFAULT_BG);
color3 = if_one_then(is_window_bg, window_bg, color3);
// Actual border quads must be always drawn opaque
// Actual border quads and tab bar edge strips must be always drawn opaque
float is_not_a_border = zero_or_one(abs(
(float(rc) - ACTIVE_BORDER_COLOR) * (float(rc) - INACTIVE_BORDER_COLOR) * (float(rc) - BELL_BORDER_COLOR)
(float(rc) - ACTIVE_BORDER_COLOR) * (float(rc) - INACTIVE_BORDER_COLOR) * (float(rc) - BELL_BORDER_COLOR) *
(float(rc) - TAB_BAR_EDGE_LEFT_COLOR) * (float(rc) - TAB_BAR_EDGE_RIGHT_COLOR)
));
float final_opacity = if_one_then(is_not_a_border, background_opacity, 1.);
color_premul = vec4_premul(color3, final_opacity);