henad-compute 0.3.0

CPU and GPU engines that run Henad models, with their sim threads and parallel primitives.
Documentation 
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// Samples a GPU model's display texture into the viewport, over one fullscreen triangle.

struct VertexOutput {
    @builtin(position) clip_position: vec4<f32>,
    @location(0) uv: vec2<f32>,
}

@vertex
fn vs_main(@builtin(vertex_index) vertex_index: u32) -> VertexOutput {
    // Fullscreen triangle: (-1,-1), (3,-1), (-1,3) covers the whole clip-space quad.
    let uv = vec2<f32>(
        f32((vertex_index << 1u) & 2u),
        f32(vertex_index & 2u),
    );

    var out: VertexOutput;
    out.clip_position = vec4<f32>(uv * 2.0 - 1.0, 0.0, 1.0);
    out.uv = vec2<f32>(uv.x, 1.0 - uv.y);
    return out;
}

@group(0) @binding(0) var input_tex: texture_2d<f32>;
@group(0) @binding(1) var input_sampler: sampler;

@fragment
fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
    return textureSample(input_tex, input_sampler, in.uv);
}