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Antialias checkered artboard background edges (#4163)

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* Antialias checkered artboard background edges

* Review
This commit is contained in:
Timon
2026-05-22 16:48:05 +00:00
committed by GitHub
parent 2770df7567
commit c3b0c87cfe
2 changed files with 10 additions and 3 deletions
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11
node-graph/libraries/wgpu-executor/src/background/checker_rect.wgsl
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@@ -44,6 +44,13 @@ fn vs_main(@builtin(vertex_index) vertex_index: u32) -> VertexOutput {
fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
let tile = floor((in.document_position - uniforms.pattern_origin) / uniforms.checker_size);
let parity = i32(tile.x + tile.y) & 1;
let luminance = vec3<f32>(select(1.0, 0.8, parity == 1));
return vec4<f32>(luminance, 1.0);
let luminance = select(1.0, 0.8, parity == 1);
let fw = fwidthFine(in.document_position);
let coverage_max = 1.0 - smoothstep(uniforms.rect_max - fw, uniforms.rect_max, in.document_position);
let coverage_min = smoothstep(uniforms.rect_min, uniforms.rect_min + fw, in.document_position);
let coverage = coverage_max * coverage_min;
let alpha = coverage.x * coverage.y;
return vec4<f32>(vec3<f32>(luminance), alpha);
}

2
node-graph/libraries/wgpu-executor/src/background/mod.rs
View File

@@ -86,7 +86,7 @@ impl BackgroundCompositor {
compilation_options: Default::default(),
targets: &[Some(wgpu::ColorTargetState {
format,
blend: None,
blend: Some(wgpu::BlendState::ALPHA_BLENDING),
write_mask: wgpu::ColorWrites::ALL,
})],
}),