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175 行
5.1 KiB
175 行
5.1 KiB
Pass
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{
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Tags{"LightMode" = "LightweightForward"}
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// Material options generated by graph
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${Tags}
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${Blending}
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${Culling}
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${ZTest}
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${ZWrite}
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HLSLPROGRAM
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// Required to compile gles 2.0 with standard srp library
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#pragma prefer_hlslcc gles
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#pragma exclude_renderers d3d11_9x
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#pragma target 2.0
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// -------------------------------------
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// Lightweight Pipeline keywords
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#pragma multi_compile _ _ADDITIONAL_LIGHTS
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#pragma multi_compile _ _VERTEX_LIGHTS
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#pragma multi_compile _ _MIXED_LIGHTING_SUBTRACTIVE
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#pragma multi_compile _ _SHADOWS_ENABLED
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#pragma multi_compile _ _LOCAL_SHADOWS_ENABLED
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#pragma multi_compile _ _SHADOWS_SOFT
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// -------------------------------------
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// Unity defined keywords
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#pragma multi_compile _ DIRLIGHTMAP_COMBINED
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#pragma multi_compile _ LIGHTMAP_ON
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#pragma multi_compile_fog
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//--------------------------------------
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// GPU Instancing
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#pragma multi_compile_instancing
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#pragma vertex vert
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#pragma fragment frag
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// Defines generated by graph
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${Defines}
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#include "LWRP/ShaderLibrary/Core.hlsl"
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#include "LWRP/ShaderLibrary/Lighting.hlsl"
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#include "CoreRP/ShaderLibrary/Color.hlsl"
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#include "CoreRP/ShaderLibrary/UnityInstancing.hlsl"
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#include "ShaderGraphLibrary/Functions.hlsl"
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${Graph}
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struct GraphVertexOutput
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{
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float4 clipPos : SV_POSITION;
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DECLARE_LIGHTMAP_OR_SH(lightmapUV, vertexSH, 0);
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half4 fogFactorAndVertexLight : TEXCOORD1; // x: fogFactor, yzw: vertex light
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float4 shadowCoord : TEXCOORD2;
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// Interpolators defined by graph
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${VertexOutputStruct}
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UNITY_VERTEX_INPUT_INSTANCE_ID
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UNITY_VERTEX_OUTPUT_STEREO
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};
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GraphVertexOutput vert (GraphVertexInput v)
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{
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GraphVertexOutput o = (GraphVertexOutput)0;
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UNITY_SETUP_INSTANCE_ID(v);
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UNITY_TRANSFER_INSTANCE_ID(v, o);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
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// Vertex transformations performed by graph
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${VertexShader}
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VertexDescriptionInputs vdi = (VertexDescriptionInputs)0;
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// Vertex description inputs defined by graph
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${VertexShaderDescriptionInputs}
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VertexDescription vd = PopulateVertexData(vdi);
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v.vertex.xyz = vd.Position;
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// Vertex shader outputs defined by graph
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${VertexShaderOutputs}
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float3 lwWNormal = TransformObjectToWorldNormal(v.normal);
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float3 lwWorldPos = TransformObjectToWorld(v.vertex.xyz);
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float4 clipPos = TransformWorldToHClip(lwWorldPos);
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// We either sample GI from lightmap or SH.
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// Lightmap UV and vertex SH coefficients use the same interpolator ("float2 lightmapUV" for lightmap or "half3 vertexSH" for SH)
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// see DECLARE_LIGHTMAP_OR_SH macro.
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// The following funcions initialize the correct variable with correct data
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OUTPUT_LIGHTMAP_UV(v.texcoord1, unity_LightmapST, o.lightmapUV);
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OUTPUT_SH(lwWNormal, o.vertexSH);
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half3 vertexLight = VertexLighting(lwWorldPos, lwWNormal);
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half fogFactor = ComputeFogFactor(clipPos.z);
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o.fogFactorAndVertexLight = half4(fogFactor, vertexLight);
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o.clipPos = clipPos;
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#ifdef _SHADOWS_ENABLED
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#if SHADOWS_SCREEN
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o.shadowCoord = ComputeShadowCoord(clipPos);
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#else
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o.shadowCoord = TransformWorldToShadowCoord(lwWorldPos);
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#endif
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#endif
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return o;
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}
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half4 frag (GraphVertexOutput IN ${FaceSign}) : SV_Target
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{
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UNITY_SETUP_INSTANCE_ID(IN);
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// Pixel transformations performed by graph
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${PixelShader}
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SurfaceDescriptionInputs surfaceInput = (SurfaceDescriptionInputs)0;
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// Surface description inputs defined by graph
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${PixelShaderSurfaceInputs}
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SurfaceDescription surf = PopulateSurfaceData(surfaceInput);
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float3 Albedo = float3(0.5, 0.5, 0.5);
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float3 Specular = float3(0, 0, 0);
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float Metallic = 1;
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float3 Normal = float3(0, 0, 1);
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float3 Emission = 0;
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float Smoothness = 0.5;
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float Occlusion = 1;
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float Alpha = 1;
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float AlphaClipThreshold = 0;
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// Surface description remap performed by graph
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${PixelShaderSurfaceRemap}
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InputData inputData;
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inputData.positionWS = WorldSpacePosition;
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#ifdef _NORMALMAP
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inputData.normalWS = TangentToWorldNormal(Normal, WorldSpaceTangent, WorldSpaceBiTangent, WorldSpaceNormal);
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#else
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#if !SHADER_HINT_NICE_QUALITY
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inputData.normalWS = WorldSpaceNormal;
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#else
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inputData.normalWS = normalize(WorldSpaceNormal);
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#endif
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#endif
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#if !SHADER_HINT_NICE_QUALITY
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// viewDirection should be normalized here, but we avoid doing it as it's close enough and we save some ALU.
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inputData.viewDirectionWS = WorldSpaceViewDirection;
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#else
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inputData.viewDirectionWS = normalize(WorldSpaceViewDirection);
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#endif
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inputData.shadowCoord = IN.shadowCoord;
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inputData.fogCoord = IN.fogFactorAndVertexLight.x;
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inputData.vertexLighting = IN.fogFactorAndVertexLight.yzw;
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inputData.bakedGI = SAMPLE_GI(IN.lightmapUV, IN.vertexSH, inputData.normalWS);
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half4 color = LightweightFragmentPBR(
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inputData,
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Albedo,
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Metallic,
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Specular,
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Smoothness,
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Occlusion,
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Emission,
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Alpha);
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// Computes fog factor per-vertex
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ApplyFog(color.rgb, IN.fogFactorAndVertexLight.x);
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#if _AlphaClip
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clip(Alpha - AlphaClipThreshold);
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#endif
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return color;
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}
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ENDHLSL
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}
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