aiden/video-shader-toys
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Aiden
2026-05-22 17:38:28 +10:00
parent be9f3b4e8b
commit c35ca8d61c
2 changed files with 12 additions and 3 deletions
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4
shaders/text-overlay/shader.slang
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@@ -38,12 +38,14 @@ float4 shadeVideo(ShaderContext context)
float2 pixelTextUv = (1.0 / resolution) / safeTextSize;
float2 sampleOffset = pixelTextUv * 0.38;
float msdfDistance = sampleTitleTextMsdf(textUv);
float fill = (
float msdfFill = (
coverage(msdfDistance, edge, aa) * 2.0 +
coverage(sampleTitleTextMsdf(textUv + float2(sampleOffset.x, sampleOffset.y)), edge, aa) +
coverage(sampleTitleTextMsdf(textUv + float2(-sampleOffset.x, sampleOffset.y)), edge, aa) +
coverage(sampleTitleTextMsdf(textUv + float2(sampleOffset.x, -sampleOffset.y)), edge, aa) +
coverage(sampleTitleTextMsdf(textUv + float2(-sampleOffset.x, -sampleOffset.y)), edge, aa)) / 6.0;
float sdfFill = coverage(distance, edge, aa);
float fill = min(msdfFill, sdfFill);
float outlineEdge = edge - min(outlineWidth * 0.7, 0.48);
float outline = coverage(distance, outlineEdge, aa);
float outlineAlpha = saturate(outline - fill) * outlineColor.a;