Pass
{
    Name "GBuffer"
	Tags { "LightMode"="GBuffer" }

    ${VFXStencilGBuffer}
		
	HLSLPROGRAM
	#pragma target 4.5
	
	#pragma multi_compile _ RENDERING_LAYERS
	#pragma multi_compile _ DEBUG_DISPLAY
    #pragma multi_compile_fragment _ PROBE_VOLUMES_L1 PROBE_VOLUMES_L2

	#define UNITY_MATERIAL_LIT
		
	${VFXIncludeRP("VFXLitVaryings.template")}		
		
	struct ps_input
	{
		float4 pos : SV_POSITION;
		
		${VFXHDRPLitDeclareVaryings}
		
		#if USE_FLIPBOOK_INTERPOLATION
		float4 uv : TEXCOORD1;
		#else
		#if USE_FLIPBOOK_ARRAY_LAYOUT
		float3 uv : TEXCOORD1;
		#else
		float2 uv : TEXCOORD1;	
		#endif
		#endif
		#if USE_SOFT_PARTICLE || USE_ALPHA_TEST || USE_FLIPBOOK_INTERPOLATION
		// x: inverse soft particles fade distance
		// y: alpha threshold
		// z: frame blending factor
		VFX_OPTIONAL_INTERPOLATION float3 builtInInterpolants : TEXCOORD2;
		#endif
		#if USE_FLIPBOOK_MOTIONVECTORS
		// x: motion vector scale u
		// y: motion vector scale v
		VFX_OPTIONAL_INTERPOLATION float2 builtInInterpolants2 : TEXCOORD3;
		#endif
		VFX_OPTIONAL_INTERPOLATION float3 normal : TEXCOORD4;
		#if USE_NORMAL_MAP || USE_NORMAL_BENDING || SHADERGRAPH_NEEDS_TANGENT_GBUFFER
		VFX_OPTIONAL_INTERPOLATION float3 tangent : TEXCOORD5;
		#endif
		#if USE_NORMAL_BENDING
		float2 bentFactors : TEXCOORD6;
		#endif
        #if VFX_NEEDS_POSWS_INTERPOLATOR
        float3 posWS : TEXCOORD7;
        #endif

        ${VFXAdditionalInterpolantsDeclaration}

		UNITY_VERTEX_OUTPUT_STEREO
	};
	
${VFXHDRPLitVaryingsMacros}		
	
#define VFX_VARYING_PS_INPUTS ps_input
#define VFX_VARYING_POSCS pos
#define VFX_VARYING_INVSOFTPARTICLEFADEDISTANCE builtInInterpolants.x
#define VFX_VARYING_ALPHATHRESHOLD builtInInterpolants.y
#define VFX_VARYING_FRAMEBLEND builtInInterpolants.z
#define VFX_VARYING_MOTIONVECTORSCALE builtInInterpolants2.xy
#define VFX_VARYING_UV uv
#define VFX_VARYING_NORMAL normal
#if USE_NORMAL_MAP || USE_NORMAL_BENDING || SHADERGRAPH_NEEDS_TANGENT_GBUFFER
#define VFX_VARYING_TANGENT tangent
#endif
#if VFX_NEEDS_POSWS_INTERPOLATOR
#define VFX_VARYING_POSWS posWS
#endif
#if USE_NORMAL_BENDING
#define VFX_VARYING_BENTFACTORS bentFactors
#endif

${VFXBegin:VFXVertexAdditionalProcess}
${VFXHDRPLitFillVaryings}
${VFXEnd}
	
	${VFXInclude("Shaders/ParticlePlanarPrimitives/Pass.template")}
	#define SHADERPASS SHADERPASS_GBUFFER
    ${VFXIncludeRP("VFXLit.template")}
			
    ${SHADERGRAPH_PIXEL_CODE_GBUFFER}
	#pragma fragment frag
	void frag(ps_input i, OUTPUT_GBUFFER(outGBuffer)
	#if USE_DOUBLE_SIDED
	, bool frontFace : SV_IsFrontFace
	#endif
	)
	{
		UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(i);
		VFXTransformPSInputs(i);
		VFX_FRAG_SETUP_INSTANCE_ID(i);

		${VFXComputeNormalWS}

        #ifdef VFX_SHADERGRAPH
            ${VFXAdditionalInterpolantsPreparation}
            ${SHADERGRAPH_PIXEL_CALL_GBUFFER}
            ${VFXIncludeRP("VFXSGSurfaceData.template")}

            BuiltinData builtin;
            VFXSetupBuiltinForGBuffer(i, surface, builtinEmissiveColor, builtinOpacity, builtin);
            ENCODE_INTO_GBUFFER(surface, builtin, i.VFX_VARYING_POSCS.xy, outGBuffer);
        #else
            VFXComputePixelOutputToGBuffer(i,normalWS,uvData,outGBuffer);
        #endif
	}
	ENDHLSL
}