GPU image processing primitives.

Contract: image-conv2d-v1.yaml

Provides convolution, Gaussian blur, Sobel edge detection, and Canny edge detection with provable properties.

Example

use trueno_image::{conv2d, BorderMode};

// Identity convolution (delta kernel)
let image = vec![1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0_f32];
let delta = [0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0_f32];
let out = conv2d(&image, 3, 3, &delta, 3, 3, BorderMode::Zero).unwrap();
assert!((out[4] - 5.0).abs() < 1e-6); // Center pixel preserved