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Merge "Fix sparkle alpha blending" into sc-dev am: 1cc81e18f6

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Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14459592

Change-Id: Id05f472f13897fdac05676496ccc69927ed3f58f
This commit is contained in:
Lucas Dupin
2021-05-07 15:13:43 +00:00
committed by Automerger Merge Worker
parent b9e2d1c764 1cc81e18f6
commit 426ffd613a
1 changed files with 4 additions and 3 deletions
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7
graphics/java/android/graphics/drawable/RippleShader.java
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@@ -113,10 +113,11 @@ final class RippleShader extends RuntimeShader {
+ " float sparkle = sparkles(densityUv, in_noisePhase) * ring * alpha "
+ "* turbulence;\n"
+ " float fade = min(fadeIn, 1. - fadeOutRipple);\n"
+ " vec4 circle = in_color * (softCircle(p, center, in_maxRadius "
+ " * scaleIn, 0.2) * fade);\n"
+ " float circleAlpha = softCircle(p, center, in_maxRadius * scaleIn, 0.2) * fade;\n"
+ " vec3 color = mix(in_color.rgb, in_sparkleColor.rgb, sparkle);\n"
+ " float mask = in_hasMask == 1. ? sample(in_shader, p).a > 0. ? 1. : 0. : 1.;\n"
+ " return mix(circle, in_sparkleColor, sparkle) * mask;\n"
+ " float a = (in_color.a * circleAlpha + in_sparkleColor.a * sparkle) * mask;\n"
+ " return vec4(color * a, a);\n"
+ "}";
private static final String SHADER = SHADER_UNIFORMS + SHADER_LIB + SHADER_MAIN;
private static final double PI_ROTATE_RIGHT = Math.PI * 0.0078125;