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Issue #2982 - Fix regressions in the previous regression fix commit.

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Basilisk-Dev 2026-03-06 16:17:40 -05:00 • committed by EAZYBLACK
commit 22272f97be
2 changed files with 6 additions and 11 deletions
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9
layout/style/nsCSSParser.cpp
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@ -189,18 +189,13 @@ OKLabToSRGBColor(float aL, float aA, float aB, float aAlpha)
uint8_t alpha = uint8_t alpha =
nsStyleUtil::FloatToColorComponent(mozilla::clamped(aAlpha, 0.0f, 1.0f)); nsStyleUtil::FloatToColorComponent(mozilla::clamped(aAlpha, 0.0f, 1.0f));
// Treat values extremely close to the endpoints as the endpoints to avoid // Treat values extremely close to zero as zero to avoid tiny floating-point
// tiny floating-point representation differences for percentage inputs. // representation differences for percentage inputs.
static constexpr float kLightnessEndpointEpsilon = 0.000002f; static constexpr float kLightnessEndpointEpsilon = 0.000002f;
// If lightness is at either endpoint, the color is black/white regardless
// of chroma and hue (or a/b).
if (lightness <= kLightnessEndpointEpsilon) { if (lightness <= kLightnessEndpointEpsilon) {
return NS_RGBA(0, 0, 0, alpha); return NS_RGBA(0, 0, 0, alpha);
} }
if (lightness >= 1.0f - kLightnessEndpointEpsilon) {
return NS_RGBA(255, 255, 255, alpha);
}
float lRoot = lightness + 0.3963377774f * aA + 0.2158037573f * aB; float lRoot = lightness + 0.3963377774f * aA + 0.2158037573f * aB;
float mRoot = lightness - 0.1055613458f * aA - 0.0638541728f * aB; float mRoot = lightness - 0.1055613458f * aA - 0.0638541728f * aB;

8
layout/style/test/test_computed_style.html
View file

@ -401,14 +401,14 @@ var noframe_container = document.getElementById("content");
["hsl(0 0% 0% / 0.5)", "rgba(0, 0, 0, 0.5)"], ["hsl(0 0% 0% / 0.5)", "rgba(0, 0, 0, 0.5)"],
["oklab(0 0 0 / 1)", "rgb(0, 0, 0)"], ["oklab(0 0 0 / 1)", "rgb(0, 0, 0)"],
["oklab(0 0 0 / 0.5)", "rgba(0, 0, 0, 0.5)"], ["oklab(0 0 0 / 0.5)", "rgba(0, 0, 0, 0.5)"],
["oklab(150% 0.5 0.2 / 1)", "rgb(255, 255, 255)"], ["oklab(150% 0.5 0.2 / 1)", "rgb(255, 0, 0)"],
["oklch(0 0 0 / 1)", "rgb(0, 0, 0)"], ["oklch(0 0 0 / 1)", "rgb(0, 0, 0)"],
["oklch(0 0 0 / 0.5)", "rgba(0, 0, 0, 0.5)"], ["oklch(0 0 0 / 0.5)", "rgba(0, 0, 0, 0.5)"],
["oklch(0.0001% 0.2 45 / 1)", "rgb(0, 0, 0)"], ["oklch(0.0001% 0.2 45 / 1)", "rgb(0, 0, 0)"],
["oklch(99.9999% 0.2 45 / 1)", "rgb(255, 255, 255)"], ["oklch(99.9999% 0.2 45 / 1)", "rgb(255, 207, 132)"],
["oklch(0% 1.1 60 / 1)", "rgb(0, 0, 0)"], ["oklch(0% 1.1 60 / 1)", "rgb(0, 0, 0)"],
["oklch(100% 110 60 / 1)", "rgb(255, 255, 255)"], ["oklch(100% 110 60 / 1)", "rgb(0, 255, 0)"],
["oklch(150% 0.5 50 / 1)", "rgb(255, 255, 255)"], ["oklch(150% 0.5 50 / 1)", "rgb(255, 0, 0)"],
]; ];
var p = document.createElement("p"); var p = document.createElement("p");