CMake-MetalShaderSupport/shader.metal

#import <metal_stdlib>

using namespace metal;

struct Vertex
{
    float4 position [[position]];
    float4 color;
};

vertex Vertex vertex_main(const device Vertex *vertices [[buffer(0)]],
                          uint vid [[vertex_id]])
{
    return vertices[vid];
}

fragment float4 fragment_main(Vertex inVertex [[stage_in]])
{
    return inVertex.color;
}