screencapturekit 9.0.1

Safe Rust bindings for Apple's ScreenCaptureKit framework - screen and audio capture on macOS
Documentation 
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// Fullscreen quad shader for screen capture display with aspect ratio preservation

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

@vertex
fn vs_main(@builtin(vertex_index) vertex_index: u32) -> VertexOutput {
    // Fullscreen triangle strip (2 triangles = 6 vertices)
    var positions = array<vec2<f32>, 6>(
        vec2<f32>(-1.0, -1.0),  // bottom-left
        vec2<f32>(1.0, -1.0),   // bottom-right
        vec2<f32>(-1.0, 1.0),   // top-left
        vec2<f32>(-1.0, 1.0),   // top-left
        vec2<f32>(1.0, -1.0),   // bottom-right
        vec2<f32>(1.0, 1.0),    // top-right
    );

    var tex_coords = array<vec2<f32>, 6>(
        vec2<f32>(0.0, 1.0),  // bottom-left
        vec2<f32>(1.0, 1.0),  // bottom-right
        vec2<f32>(0.0, 0.0),  // top-left
        vec2<f32>(0.0, 0.0),  // top-left
        vec2<f32>(1.0, 1.0),  // bottom-right
        vec2<f32>(1.0, 0.0),  // top-right
    );

    var output: VertexOutput;
    output.position = vec4<f32>(positions[vertex_index], 0.0, 1.0);
    output.tex_coords = tex_coords[vertex_index];
    return output;
}

@group(0) @binding(0)
var t_screen: texture_2d<f32>;
@group(0) @binding(1)
var s_screen: sampler;

@fragment
fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
    return textureSample(t_screen, s_screen, in.tex_coords);
}