Add a case for shadows when blur_radius = 0 #22441
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cla-bot
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iamnbutler
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jansol
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Dec 27, 2024
| float distance = length(max(float2(0., 0.), rounded_edge_to_point)) + | ||
| min(0., max(rounded_edge_to_point.x, rounded_edge_to_point.y)) - | ||
| corner_radius; | ||
| alpha = distance <= 0. ? 1. : 0.; |
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Does metal have something like the GLSL smoothstep()? With appropriate threshold values using that instead of the hard conditional here should fix the aliased edges nicely.
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oh, I'll take a look!
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Alternatively a simple alpha = (1.0 - min(1.0, distance * distance)) should look good too.
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Blade shaders are directly transcribed from the metal ones so they'll need the same fix. |
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Closes #22433
Before/After (macOS):
For some reason the non-blurred one seems much lower quality, so we may need to tinker with the samples, or something else.
I'm unsure if this is a problem on Linux/in the Blade renderer, but since no changes were made outside of the medal shaders we can probably take this macOS-specific win for now.
Release Notes:
blur_radiusof 0 would not render.