#ifndef UNIVERSAL_SIMPLE_LIT_PASS_INCLUDED #define UNIVERSAL_SIMPLE_LIT_PASS_INCLUDED #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl" struct Attributes { float4 positionOS : POSITION; float3 normalOS : NORMAL; float4 tangentOS : TANGENT; float2 texcoord : TEXCOORD0; float2 staticLightmapUV : TEXCOORD1; float2 dynamicLightmapUV : TEXCOORD2; UNITY_VERTEX_INPUT_INSTANCE_ID }; struct Varyings { float2 uv : TEXCOORD0; float3 positionWS : TEXCOORD1; // xyz: posWS #ifdef _NORMALMAP half4 normalWS : TEXCOORD2; // xyz: normal, w: viewDir.x half4 tangentWS : TEXCOORD3; // xyz: tangent, w: viewDir.y half4 bitangentWS : TEXCOORD4; // xyz: bitangent, w: viewDir.z #else half3 normalWS : TEXCOORD2; #endif #ifdef _ADDITIONAL_LIGHTS_VERTEX half4 fogFactorAndVertexLight : TEXCOORD5; // x: fogFactor, yzw: vertex light #else half fogFactor : TEXCOORD5; #endif #if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR) float4 shadowCoord : TEXCOORD6; #endif DECLARE_LIGHTMAP_OR_SH(staticLightmapUV, vertexSH, 7); #ifdef DYNAMICLIGHTMAP_ON float2 dynamicLightmapUV : TEXCOORD8; // Dynamic lightmap UVs #endif float4 positionCS : SV_POSITION; UNITY_VERTEX_INPUT_INSTANCE_ID UNITY_VERTEX_OUTPUT_STEREO }; void InitializeInputData(Varyings input, half3 normalTS, out InputData inputData) { inputData = (InputData)0; inputData.positionWS = input.positionWS; #ifdef _NORMALMAP half3 viewDirWS = half3(input.normalWS.w, input.tangentWS.w, input.bitangentWS.w); inputData.tangentToWorld = half3x3(input.tangentWS.xyz, input.bitangentWS.xyz, input.normalWS.xyz); inputData.normalWS = TransformTangentToWorld(normalTS, inputData.tangentToWorld); #else half3 viewDirWS = GetWorldSpaceNormalizeViewDir(inputData.positionWS); inputData.normalWS = input.normalWS; #endif inputData.normalWS = NormalizeNormalPerPixel(inputData.normalWS); viewDirWS = SafeNormalize(viewDirWS); inputData.viewDirectionWS = viewDirWS; #if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR) inputData.shadowCoord = input.shadowCoord; #elif defined(MAIN_LIGHT_CALCULATE_SHADOWS) inputData.shadowCoord = TransformWorldToShadowCoord(inputData.positionWS); #else inputData.shadowCoord = float4(0, 0, 0, 0); #endif #ifdef _ADDITIONAL_LIGHTS_VERTEX inputData.fogCoord = InitializeInputDataFog(float4(inputData.positionWS, 1.0), input.fogFactorAndVertexLight.x); inputData.vertexLighting = input.fogFactorAndVertexLight.yzw; #else inputData.fogCoord = InitializeInputDataFog(float4(inputData.positionWS, 1.0), input.fogFactor); inputData.vertexLighting = half3(0, 0, 0); #endif #if defined(DYNAMICLIGHTMAP_ON) inputData.bakedGI = SAMPLE_GI(input.staticLightmapUV, input.dynamicLightmapUV, input.vertexSH, inputData.normalWS); #else inputData.bakedGI = SAMPLE_GI(input.staticLightmapUV, input.vertexSH, inputData.normalWS); #endif inputData.normalizedScreenSpaceUV = GetNormalizedScreenSpaceUV(input.positionCS); inputData.shadowMask = SAMPLE_SHADOWMASK(input.staticLightmapUV); #if defined(DEBUG_DISPLAY) #if defined(DYNAMICLIGHTMAP_ON) inputData.dynamicLightmapUV = input.dynamicLightmapUV.xy; #endif #if defined(LIGHTMAP_ON) inputData.staticLightmapUV = input.staticLightmapUV; #else inputData.vertexSH = input.vertexSH; #endif #endif } /////////////////////////////////////////////////////////////////////////////// // Vertex and Fragment functions // /////////////////////////////////////////////////////////////////////////////// // Used in Standard (Simple Lighting) shader Varyings LitPassVertexSimple(Attributes input) { Varyings output = (Varyings)0; UNITY_SETUP_INSTANCE_ID(input); UNITY_TRANSFER_INSTANCE_ID(input, output); UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(output); VertexPositionInputs vertexInput = GetVertexPositionInputs(input.positionOS.xyz); VertexNormalInputs normalInput = GetVertexNormalInputs(input.normalOS, input.tangentOS); #if defined(_FOG_FRAGMENT) half fogFactor = 0; #else half fogFactor = ComputeFogFactor(vertexInput.positionCS.z); #endif output.uv = TRANSFORM_TEX(input.texcoord, _BaseMap); output.positionWS.xyz = vertexInput.positionWS; output.positionCS = vertexInput.positionCS; #ifdef _NORMALMAP half3 viewDirWS = GetWorldSpaceViewDir(vertexInput.positionWS); output.normalWS = half4(normalInput.normalWS, viewDirWS.x); output.tangentWS = half4(normalInput.tangentWS, viewDirWS.y); output.bitangentWS = half4(normalInput.bitangentWS, viewDirWS.z); #else output.normalWS = NormalizeNormalPerVertex(normalInput.normalWS); #endif OUTPUT_LIGHTMAP_UV(input.staticLightmapUV, unity_LightmapST, output.staticLightmapUV); #ifdef DYNAMICLIGHTMAP_ON output.dynamicLightmapUV = input.dynamicLightmapUV.xy * unity_DynamicLightmapST.xy + unity_DynamicLightmapST.zw; #endif OUTPUT_SH(output.normalWS.xyz, output.vertexSH); #ifdef _ADDITIONAL_LIGHTS_VERTEX half3 vertexLight = VertexLighting(vertexInput.positionWS, normalInput.normalWS); output.fogFactorAndVertexLight = half4(fogFactor, vertexLight); #else output.fogFactor = fogFactor; #endif #if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR) output.shadowCoord = GetShadowCoord(vertexInput); #endif return output; } // Used for StandardSimpleLighting shader half4 LitPassFragmentSimple(Varyings input) : SV_Target { UNITY_SETUP_INSTANCE_ID(input); UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(input); SurfaceData surfaceData; InitializeSimpleLitSurfaceData(input.uv, surfaceData); InputData inputData; InitializeInputData(input, surfaceData.normalTS, inputData); SETUP_DEBUG_TEXTURE_DATA(inputData, input.uv, _BaseMap); #ifdef _DBUFFER ApplyDecalToSurfaceData(input.positionCS, surfaceData, inputData); #endif half4 color = UniversalFragmentBlinnPhong(inputData, surfaceData); color.rgb = MixFog(color.rgb, inputData.fogCoord); color.a = OutputAlpha(color.a, _Surface); return color; } #endif