WWDC2023 iOS17 SwiftUI Shader Demo with Image Argument

Here's a sample project using the new colorEffect to apply chromatic abberation on an image

.colorEffect

We use the Shader.Argument.image to convert an image which we can sample.

[[ stitchable ]] half4
chromatic_aberration(float2 position, half4 color, float rSlider, float gSlider, float bSlider, const texture2d<half, access::sample> texture) {

Before	After