Integrate Vello for vector rendering (#1802)

* Start integrating vello into render pipeline

Cache vello render creation

Implement viewport navigation

Close vello path

Add transform parameter to vello render pass

* Fix render node types

* Fix a bunch of bugs in the path translation

* Avoid panic on empty document

* Fix rendering of holes

* Implement image rendering

* Implement graph recompilation afer editor api change

* Implement preferences toggle for using vello as the renderer

* Make surface creation optional

* Feature gate vello usages

* Implement skeleton for radial gradient

* Rename vello preference

* Fix some gradients

* Only update monitor nodes on graph recompile

* Fix warnings + remove dead code

* Update everything except for thumbnails after a node graph evaluation

* Fix missing click targets for Image frames

* Improve perfamance by removing unecessary widget updates

* Fix node graph paning

* Fix thumbnail loading

* Implement proper hash for vector modification

* Fix test and warnings

* Code review

* Fix dep

* Remove warning

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>

node-graph/gcore/src/raster/adjustments.rs

@@ -233,6 +233,37 @@ impl core::fmt::Display for BlendMode {
 	}
 }
 
+#[cfg(feature = "vello")]
+impl From<BlendMode> for vello::peniko::Mix {
+	fn from(val: BlendMode) -> Self {
+		match val {
+			// Normal group
+			BlendMode::Normal => vello::peniko::Mix::Normal,
+			// Darken group
+			BlendMode::Darken => vello::peniko::Mix::Darken,
+			BlendMode::Multiply => vello::peniko::Mix::Multiply,
+			BlendMode::ColorBurn => vello::peniko::Mix::ColorBurn,
+			// Lighten group
+			BlendMode::Lighten => vello::peniko::Mix::Lighten,
+			BlendMode::Screen => vello::peniko::Mix::Screen,
+			BlendMode::ColorDodge => vello::peniko::Mix::ColorDodge,
+			// Contrast group
+			BlendMode::Overlay => vello::peniko::Mix::Overlay,
+			BlendMode::SoftLight => vello::peniko::Mix::SoftLight,
+			BlendMode::HardLight => vello::peniko::Mix::HardLight,
+			// Inversion group
+			BlendMode::Difference => vello::peniko::Mix::Difference,
+			BlendMode::Exclusion => vello::peniko::Mix::Exclusion,
+			// Component group
+			BlendMode::Hue => vello::peniko::Mix::Hue,
+			BlendMode::Saturation => vello::peniko::Mix::Saturation,
+			BlendMode::Color => vello::peniko::Mix::Color,
+			BlendMode::Luminosity => vello::peniko::Mix::Luminosity,
+			_ => todo!(),
+		}
+	}
+}
+
 #[derive(Debug, Clone, Copy, Default)]
 pub struct LuminanceNode<LuminanceCalculation> {
 	luminance_calc: LuminanceCalculation,