// Shadow pass
Pass
{		
	Tags { "LightMode"=${VFXPassShadow} }

	ZClip [_ZClip]
	ZWrite On
	Blend Off
	
	HLSLPROGRAM
	#pragma target 4.5
	#if !USE_ALPHA_TEST && IS_TRANSPARENT_PARTICLE
	#define USE_ALPHA_TEST 1
	#endif

	struct ps_input
	{
		float4 pos : SV_POSITION;
		#if USE_ALPHA_TEST || VFX_USE_ALPHA_CURRENT
		VFX_OPTIONAL_INTERPOLATION float2 builtInInterpolants : TEXCOORD0;
		#endif

		UNITY_VERTEX_OUTPUT_STEREO
	};

#define VFX_VARYING_PS_INPUTS ps_input
#define VFX_VARYING_POSCS pos
#define VFX_VARYING_ALPHA builtInInterpolants.y
#define VFX_VARYING_ALPHATHRESHOLD builtInInterpolants.x
		
${VFXBegin:VFXVertexAdditionalProcess}
float3 posWS = TransformPositionVFXToWorld(vPos);
VFXApplyShadowBias(o.VFX_VARYING_POSCS, posWS);
${VFXEnd}
	
	${VFXPassShadowDefine}
	${VFXInclude("Shaders/ParticleLinesSW/Pass.template")}
		
	#pragma fragment frag
	float frag(ps_input i) : SV_TARGET
	{
		UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(i);
		VFXTransformPSInputs(i);
		float alpha = VFXGetFragmentColor(i).a;
		VFXClipFragmentColor(alpha,i);
		return 0;
	}
	ENDHLSL
}