#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. bool MetalProbe(); // Compiles + dispatches a trivial compute kernel and validates the read-back, // proving the Metal compute path the geodesic ray tracer will run on. bool MetalComputeSelfTest(); }