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Deprecate all usages of the Color struct representing gamma space values, fixing round-trip precision bugs (#4149)

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* Deprecate all usages of the Color struct representing gamma space values, fixing round-trip precision bugs

* Code review fixes
This commit is contained in:
Keavon Chambers
2026-05-14 22:48:33 -07:00
committed by GitHub
parent 456a7c868d
commit a56746c6bf
67 changed files with 1210 additions and 941 deletions
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4
node-graph/libraries/wgpu-executor/src/texture_conversion.rs
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@@ -120,7 +120,9 @@ impl RasterGpuToRasterCpuConverter {
let start = row * row_stride;
let row_slice = &view[start..start + row_bytes];
for px in row_slice.chunks_exact(4) {
cpu_data.push(Color::from_rgba8_srgb(px[0], px[1], px[2], px[3]));
// `Image<Color>` pixels are stored linear-light with associated (premultiplied) alpha
let srgba = SRGBA8::new(px[0], px[1], px[2], px[3]);
cpu_data.push(Color::from(srgba).apply_opacity(px[3] as f32 / 255.));
}
}