rust-gpu/tests/compiletests/ui/image/sample_depth_reference/sample.rs at 972d0457299b16cefed4ff352ce4185b08b9aaf3 · Rust-GPU/rust-gpu · GitHub

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// Test `OpImageSampleDrefImplicitLod`
// build-pass

use spirv_std::spirv;
use spirv_std::{Image, Sampler, arch};

#[spirv(fragment)]
pub fn main(
    #[spirv(descriptor_set = 0, binding = 0)] image: &Image!(2D, type=f32, sampled),
    #[spirv(descriptor_set = 1, binding = 1)] image_array: &Image!(2D, type=f32, arrayed, sampled),
    #[spirv(descriptor_set = 2, binding = 2)] cubemap: &Image!(cube, type=f32, sampled),
    #[spirv(descriptor_set = 3, binding = 3)] sampler: &Sampler,
    output: &mut f32,
) {
    let v2 = glam::Vec2::new(0.0, 1.0);
    let v3 = glam::Vec3A::new(0.0, 0.0, 1.0);
    *output = image.sample_depth_reference(*sampler, v2, 1.0);
    *output += image_array.sample_depth_reference(*sampler, v3, 1.0);
    *output += cubemap.sample_depth_reference(*sampler, v3, 1.0);
}