rust-gpu/tests/ui/image/sample_lod.rs
XAMPPRocky f88ae5b28a
Add Const Generic Image Type (#359)
* Add parameterized Image type

* nits

* Update crates/spirv-std/src/lib.rs

* Update crates/rustc_codegen_spirv/src/symbols.rs

* Update crates/rustc_codegen_spirv/src/symbols.rs

* Update symbols.rs
2021-04-28 09:47:40 +02:00

20 lines
763 B
Rust

// Test `OpImageSampleExplicitLod` Lod
// build-pass
use spirv_std::{arch, Image, Sampler};
#[spirv(fragment)]
pub fn main(
#[spirv(descriptor_set = 0, binding = 0)] image2d: &Image!(2D, type=f32, sampled),
#[spirv(descriptor_set = 1, binding = 1)] image2d_array: &Image!(2D, type=f32, arrayed, sampled),
#[spirv(descriptor_set = 2, binding = 2)] cubemap: &Image!(3D, type=f32, sampled),
#[spirv(descriptor_set = 3, binding = 3)] sampler: &Sampler,
output: &mut glam::Vec4,
) {
let v2 = glam::Vec2::new(0.0, 1.0);
let v3 = glam::Vec3::new(0.0, 1.0, 0.5);
*output = image2d.sample_by_lod(*sampler, v2, 0.0);
*output += image2d_array.sample_by_lod(*sampler, v3, 0.0);
*output += cubemap.sample_by_lod(*sampler, v3, 0.0);
}