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#pragma once
// Pure-C++ interface to the Metal backend (no Objective-C leaks into the rest
// of the engine). Implemented in MetalContext.mm.
namespace Donut
{
// Phase 1 bring-up: creates the default Metal device + command queue and
// logs its capabilities, proving the Metal toolchain and build integration
// work natively on Apple Silicon. This grows into the Metal compute island
// that runs the geodesic ray tracer in real time.
auto metal_probe() -> bool;
// Compiles + dispatches a trivial compute kernel and validates the read-back,
// proving the Metal compute path the geodesic ray tracer will run on.
auto metal_compute_self_test() -> bool;
}
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