#pragma target 4.5

struct ps_input
{
	float4 pos : SV_POSITION;
	#if USE_FLIPBOOK_INTERPOLATION
	float4 uv : TEXCOORD0;
	#else
		#if USE_FLIPBOOK_ARRAY_LAYOUT
		float3 uv : TEXCOORD0;
		#else
		float2 uv : TEXCOORD0;	
		#endif	
	#endif
	#if USE_ALPHA_TEST || USE_FLIPBOOK_INTERPOLATION || VFX_USE_ALPHA_CURRENT
	// x: alpha threshold
	// y: frame blending factor
	// z: alpha
	VFX_OPTIONAL_INTERPOLATION float3 builtInInterpolants : TEXCOORD1;
	#endif
	
	#if USE_FLIPBOOK_MOTIONVECTORS
	// x: motion vectors scale X
	// y: motion vectors scale Y
	VFX_OPTIONAL_INTERPOLATION float2 builtInInterpolants2 : TEXCOORD2;
	#endif
	
	#if VFX_PASSDEPTH == VFX_PASSDEPTH_MOTION_VECTOR
	VFX_FEATURE_MOTION_VECTORS_INTERPOLATION float4 cPosPrevious : TEXCOORD3;
	VFX_FEATURE_MOTION_VECTORS_INTERPOLATION float4 cPosNonJiterred : TEXCOORD4;
	#endif
    
    #if VFX_NEEDS_POSWS_INTERPOLATOR
    float3 posWS : TEXCOORD5;
    #endif
    ${VFXAdditionalInterpolantsDeclaration}
	
	UNITY_VERTEX_OUTPUT_STEREO
};

#define VFX_VARYING_PS_INPUTS ps_input
#define VFX_VARYING_POSCS pos
#define VFX_VARYING_ALPHA builtInInterpolants.z
#define VFX_VARYING_ALPHATHRESHOLD builtInInterpolants.x
#define VFX_VARYING_FRAMEBLEND builtInInterpolants.y
#define VFX_VARYING_MOTIONVECTORSCALE builtInInterpolants2.xy
#define VFX_VARYING_UV uv

#if VFX_NEEDS_POSWS_INTERPOLATOR
#define VFX_VARYING_POSWS posWS
#endif

#if VFX_PASSDEPTH == VFX_PASSDEPTH_MOTION_VECTOR
#define VFX_VARYING_VELOCITY_CPOS cPosNonJiterred
#define VFX_VARYING_VELOCITY_CPOS_PREVIOUS cPosPrevious
#endif

#if VFX_PASSDEPTH == VFX_PASSDEPTH_MOTION_VECTOR
${VFXPassVelocityDefine}
#elif VFX_PASSDEPTH == VFX_PASSDEPTH_SHADOW
${VFXPassShadowDefine}
#elif VFX_PASSDEPTH == VFX_PASSDEPTH_ACTUAL || VFX_PASSDEPTH == VFX_PASSDEPTH_SELECTION
${VFXPassDepthDefine}
#endif

${VFXBegin:VFXVertexAdditionalProcess}
#if VFX_PASSDEPTH == VFX_PASSDEPTH_SHADOW
float3 posWS = TransformPositionVFXToWorld(vPos);
VFXApplyShadowBias(o.VFX_VARYING_POSCS, posWS, normalWS);
#endif
${VFXEnd}

${VFXInclude("Shaders/ParticlePlanarPrimitives/Pass.template")}
#define VFX_SUPPORT_MAIN_TEXTURE_SAMPLING_IN_FRAGMENT_DEPTH 1
${VFXPassDepthCommonFragmentUnlit}