vello_tests/tests/snapshot_test_scenes.rs

// Copyright 2024 the Vello Authors
// SPDX-License-Identifier: Apache-2.0 OR MIT

//! Snapshot tests using the test scenes from [`scenes`].

use scenes::{ExampleScene, test_scenes};
use vello_tests::{TestParams, encode_test_scene, snapshot_test_sync};

/// Make sure the CPU and GPU renderers match on the test scenes
fn snapshot_test_scene(test_scene: ExampleScene, mut params: TestParams) {
    let scene = encode_test_scene(test_scene, &mut params);
    snapshot_test_sync(scene, &params)
        .unwrap()
        .assert_mean_less_than(0.0095);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_splash() {
    let test_scene = test_scenes::splash_with_tiger();
    let params = TestParams::new("splash", 300, 300);

    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_funky_paths() {
    let test_scene = test_scenes::funky_paths();
    let params = TestParams::new("funky_paths", 600, 600);

    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_stroke_styles() {
    let test_scene = test_scenes::stroke_styles();
    let params = TestParams::new("stroke_styles", 600, 425);

    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_stroke_styles_non_uniform() {
    let test_scene = test_scenes::stroke_styles_non_uniform();
    let params = TestParams::new("stroke_styles_non_uniform", 600, 425);

    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_stroke_styles_skew() {
    let test_scene = test_scenes::stroke_styles_skew();
    let params = TestParams::new("stroke_styles_skew", 600, 425);
    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_tricky_strokes() {
    let test_scene = test_scenes::tricky_strokes();
    let params = TestParams::new("tricky_strokes", 600, 425);
    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_fill_types() {
    let test_scene = test_scenes::fill_types();
    let params = TestParams::new("fill_types", 700, 350);
    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_deep_blend() {
    let test_scene = test_scenes::deep_blend();
    let params = TestParams::new("deep_blend", 200, 200);
    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_gradient_extend() {
    let test_scene = test_scenes::gradient_extend();
    let params = TestParams::new("gradient_extend", 200, 200);
    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_many_clips() {
    let test_scene = test_scenes::many_clips();
    let params = TestParams::new("many_clips", 200, 200);
    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_blurred_rounded_rect() {
    let test_scene = test_scenes::blurred_rounded_rect();
    let params = TestParams::new("blurred_rounded_rect", 400, 400);
    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_longpathdash_butt() {
    let test_scene = test_scenes::longpathdash_butt();
    let params = TestParams::new("longpathdash_butt", 440, 80);
    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_image_sampling() {
    let test_scene = test_scenes::image_sampling();
    let params = TestParams::new("image_sampling", 400, 400);
    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_image_extend_modes_bilinear() {
    let test_scene = test_scenes::image_extend_modes_bilinear();
    let params = TestParams::new("image_extend_modes_bilinear", 400, 400);
    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_image_extend_modes_nearest_neighbor() {
    let test_scene = test_scenes::image_extend_modes_nearest_neighbor();
    let params = TestParams::new("image_extend_modes_nearest_neighbor", 400, 400);
    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn snapshot_luminance_mask() {
    let test_scene = test_scenes::luminance_mask();
    // This has been manually validated to match the example in
    // https://developer.mozilla.org/en-US/docs/Web/SVG/Reference/Attribute/mask-type
    let params = TestParams::new("luminance_mask", 55, 55);
    snapshot_test_scene(test_scene, params);
}

#[test]
#[cfg_attr(skip_gpu_tests, ignore)]
fn image_luminance_mask() {
    let test_scene = test_scenes::image_luminance_mask();
    let params = TestParams::new("image_luminance_mask", 350, 250);
    snapshot_test_scene(test_scene, params);
}