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Optimize colorspace conversion (#1228)

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* Enabled cross-crate inlining for release builds.

* Sprinkled inline-enabling directives in color.rs.

* Reduced abstraction in color channel handling for better inlining.

* Alpha should not use gamma.

* Oops, didn't compile.

* Added discrete sRGB <-> linear float conversion.

* Use new float <-> sRGB conversion.

* Improved comments.

* Don't convert fully transparent pixels.
This commit is contained in:
Orson Peters
2023-05-25 10:51:40 +02:00
committed by Keavon Chambers
parent 5816807f18
commit bb93d243a0
8 changed files with 322 additions and 55 deletions
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4
node-graph/gstd/src/raster.rs
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@@ -1,6 +1,6 @@
use dyn_any::{DynAny, StaticType};
use glam::{DAffine2, DVec2};
use graphene_core::raster::{Alpha, BlendMode, BlendNode, Channel, Image, ImageFrame, Luminance, Pixel, RasterMut, Sample};
use graphene_core::raster::{Alpha, BlendMode, BlendNode, Image, ImageFrame, LinearChannel, Luminance, Pixel, RasterMut, Sample};
use graphene_core::transform::Transform;
use graphene_core::value::CopiedNode;
@@ -217,7 +217,7 @@ fn mask_image<
let image_pixel = image.get_pixel_mut(x, y).unwrap();
if let Some(mask_pixel) = stencil.sample(mask_point, area) {
*image_pixel = image_pixel.multiplied_alpha(mask_pixel.l().to_channel());
*image_pixel = image_pixel.multiplied_alpha(mask_pixel.l().cast_linear_channel());
}
}
}