You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: ca.m
    path of file: ./repos/darktile/vendor/github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal/ca
    
    the code of the file until where you have to start completion: // Copyright 2018 The Ebiten 
    
function to set color space.
  // TODO: Enable colorspace on iOS: this will be available as of iOS 13.0.
#if !TARGET_OS_IPHONE
  CGColorSpaceRef colorspace =
      CGColorSpaceCreateWithName(kCGColorSpaceDisplayP3);
  layer.colorspace = colorspace;
  CGColorSpaceRelease(colorspace);
#end