BansheeEngine/Data/Raw/Shaders/Includes/PickingAlphaCull.bslinc

mixin PickingAlphaCull
{
	raster
	{
		scissor = true;
	};

	code
	{
		cbuffer Uniforms
		{
			float4x4 	gMatWorldViewProj;
			float4		gColorIndex;
			float		gAlphaCutoff;
		}

		void vsmain(
			in float3 inPos : POSITION,
			in float3 inNorm : NORMAL,
			in float2 uv : TEXCOORD0,
			out float4 oPosition : SV_Position,
			out float4 oNorm : NORMAL,
			out float2 oUv : TEXCOORD0)
		{
			oPosition = mul(gMatWorldViewProj, float4(inPos.xyz, 1));
			oNorm = float4(inNorm, 0);
			oUv = uv;
		}

		SamplerState gMainTexSamp;
		Texture2D gMainTexture;

		float4 fsmain(
			in float4 inPos : SV_Position,
			in float4 inNorm : NORMAL,
			in float2 uv : TEXCOORD0,
			out float4 oNorm : SV_Target1) : SV_Target0
		{
			float4 color = gMainTexture.Sample(gMainTexSamp, uv);
			oNorm = (inNorm + float4(1,1,1,0)) / 2;
			if(color.a < gAlphaCutoff)
				discard;
			
			return gColorIndex;
		}
	};
};