1#define_import_path filters
2
3diagnostic(warning, derivative_uniformity);
4
5fn diagnostic_test(s : sampler, tex : texture_2d<f32>, ro_buffer : array<f32, 4>) -> vec4f {
6    if ro_buffer[0] == 0 {
7        // Emits a derivative uniformity error during validation.
8        return textureSample(tex, s, vec2(0.,0.));
9    }
10
11      return vec4f(0.);
12}