BansheeEngine/Data/Raw/Engine/Includes/SurfaceData.bslinc

Technique : base("SurfaceData") =
{
	Pass =
	{
		Common = 
		{
			struct SurfaceData
			{
				float4 albedo;
				float4 worldNormal;
				float depth;
				float roughness;
				float metalness;
			};
			
#if MSAA_COUNT > 1
			bool needsPerSampleShading(SurfaceData samples[MSAA_COUNT])
			{
				float3 albedo = samples[0].albedo.xyz;
				float3 normal = samples[0].worldNormal.xyz;
				float depth = samples[0].depth;

				[unroll]
				for(int i = 1; i < MSAA_COUNT; i++)
				{
					float3 otherAlbedo = samples[i].albedo.xyz;
					float3 otherNormal = samples[i].worldNormal.xyz;
					float otherDepth = samples[i].depth;

					[branch]
					if(abs(depth - otherDepth) > 0.1f || abs(dot(abs(normal - otherNormal), float3(1, 1, 1))) > 0.1f || abs(dot(albedo - otherAlbedo, float3(1, 1, 1))) > 0.1f)
					{
						return true;
					}
				}
				
				return false;
			}
#endif			
		};
	};
};