Empty scene is not absolutely black on iOS

Development Platform & Builds Mobile
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2

I suppose that’s because of USE_MSAA define block, which should be disabled for Metal:

	#if USE_MSAA
		// Do after jitter for grain as an optimization.
		SceneColor.rgb *= rcp(SceneColor.r*(-0.299) + SceneColor.g*(-0.587) + SceneColor.b*(-0.114) + 1.0);
		// Try to kill negatives and NaNs here
		SceneColor.rgb = max(SceneColor.rgb, 0);
	#endif