shithub: cstory

ref: d2f1b2c1a9f9afe74bdb0e9ad79f73c12e28cdb9
dir: /external/SDL2/src/render/metal/

SDL_render_metal.m
SDL_shaders_metal.metal
SDL_shaders_metal_ios.h
SDL_shaders_metal_osx.h
build-metal-shaders.sh