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Merge pull request #951 from HEOJUNFO/fix-939-noise-mask

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Effects: Fractal and Turbulent Noise stay inside the layer's alpha (#939)
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Brandon Thomas committed 2026-10-12 04:21:08 -04:00
2 parents 8e6c3e0e68 09b3042e20
commit 7864ea41ae
3 files changed
+31 -8
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crates/gpu/src/shaders/fx_noise.wgsl
+1 -1
View File
@@ -665,7 +665,7 @@ fn fxn_fractal(@builtin(global_invocation_id) gid: vec3<u32>) {
r = blend_pixel(P.u[2].x, orig, s, 0.5);
}
let bo = P.f[1].w;
textureStore(out, p, orig * bo + r * (1.0 - bo));
textureStore(out, p, orig * bo + r * orig.a * (1.0 - bo));
}
// ---------------------------------------------------------------- Noise Alpha / Noise HLS (noise.rs)
crates/gpu/src/shaders/kernels.wgsl
+5 -5
View File
@@ -865,13 +865,13 @@ fn pointwise(@builtin(global_invocation_id) gid: vec3<u32>) {
val = 1.0 - val;
}
let op = P.f[2].z;
var fx = vec4<f32>(vec3<f32>(val) * op, op);
if (P.u[1].z == 1u) {
// Normal: the noise over the layer at Opacity, then Blend With Original.
let over = vec4<f32>(vec3<f32>(val) * op, op) + px * (1.0 - op);
px = px * P.f[2].y + over * (1.0 - P.f[2].y);
} else {
px = put(px, vec3<f32>(val), op, P.f[2].y);
// Normal: the noise over the layer at Opacity.
fx = fx + px * (1.0 - op);
}
// Inside the layer's alpha (its masks), then Blend With Original.
px = px * P.f[2].y + fx * px.w * (1.0 - P.f[2].y);
}
default: {}
}