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Make the blur filter more accurate (Close #19516) #19645

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Make the blur filter more accurate (Close #19516) #19645

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29c483d
make the blur filter more accurate
xrtxn Feb 27, 2025
694b494
Merge branch 'master' into master
xrtxn Feb 27, 2025
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2 changes: 1 addition & 1 deletion render/wgpu/src/filters/blur.rs
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Expand Up @@ -234,7 +234,7 @@ impl BlurFilter {
// implementation was inspired by it: https://fgiesen.wordpress.com/2012/08/01/fast-blurs-2/

// This is how much the blur "extends past" the center pixel to either side.
let radius = (full_size - 1.0) / 2.0;
let radius = (full_size - 1.0) / 1.99;

// This is how many simple double-1 weighted pixel pairs we can sample in the center.
// Note how we're not using floor() here. This is to guarantee that alpha is not 0 when
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