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146 行
3.4 KiB
146 行
3.4 KiB
Pass
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{
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Tags{"LightMode" = "LightweightForward"}
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${Tags}
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${Blending}
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${Culling}
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${ZTest}
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${ZWrite}
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CGPROGRAM
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#pragma target 3.0
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#pragma multi_compile _ _MAIN_LIGHT_COOKIE
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#pragma multi_compile _MAIN_DIRECTIONAL_LIGHT _MAIN_SPOT_LIGHT
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#pragma multi_compile _ _ADDITIONAL_LIGHTS
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#pragma multi_compile _ _MIXED_LIGHTING_SUBTRACTIVE
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#pragma multi_compile _ UNITY_SINGLE_PASS_STEREO STEREO_INSTANCING_ON STEREO_MULTIVIEW_ON
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#pragma multi_compile _ LIGHTMAP_ON
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#pragma multi_compile _ DIRLIGHTMAP_COMBINED
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#pragma multi_compile _ _HARD_SHADOWS _SOFT_SHADOWS _HARD_SHADOWS_CASCADES _SOFT_SHADOWS_CASCADES
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#pragma multi_compile _ _VERTEX_LIGHTS
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#pragma multi_compile_fog
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#pragma multi_compile_instancing
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#pragma vertex vert
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#pragma fragment frag
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#pragma glsl
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#pragma debug
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${Defines}
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#include "LightweightLighting.cginc"
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${Graph}
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struct GraphVertexOutput
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{
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float4 position : SV_POSITION;
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#ifdef LIGHTMAP_ON
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float4 lightmapUV : TEXCOORD0;
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#else
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float4 vertexSH : TEXCOORD0;
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#endif
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half4 fogFactorAndVertexLight : TEXCOORD1; // x: fogFactor, yzw: vertex light
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${Interpolators}
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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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v = PopulateVertexData(v);
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UNITY_SETUP_INSTANCE_ID(v);
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GraphVertexOutput o = (GraphVertexOutput)0;
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
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${VertexShader}
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float3 lwWNormal = normalize(UnityObjectToWorldNormal(v.normal));
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float4 lwWorldPos = mul(unity_ObjectToWorld, v.vertex);
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float4 clipPos = mul(UNITY_MATRIX_VP, lwWorldPos);
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#ifdef LIGHTMAP_ON
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o.lightmapUV.zw = v.lightmapUV * unity_LightmapST.xy + unity_LightmapST.zw;
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#else
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o.vertexSH = half4(EvaluateSHPerVertex(lwWNormal), 0.0);
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#endif
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o.fogFactorAndVertexLight.yzw = VertexLighting(lwWorldPos.xyz, lwWNormal);
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o.fogFactorAndVertexLight.x = ComputeFogFactor(clipPos.z);
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o.position = clipPos;
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return o;
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}
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fixed4 frag (GraphVertexOutput IN) : SV_Target
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{
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${LocalPixelShader}
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SurfaceInputs surfaceInput = (SurfaceInputs)0;
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${SurfaceInputs}
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SurfaceDescription surf = PopulateSurfaceData(surfaceInput);
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float3 Albedo = float3(0.5, 0.5, 0.5);
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float3 Specular = float3(0, 0, 0);
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float Metallic = 0;
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float3 Normal = float3(0, 0, 1);
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float3 Emission = 0;
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float Smoothness = 0.5;
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float Occlusion = 1;
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float Alpha = 1;
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${SurfaceOutputRemap}
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#if defined(UNITY_COLORSPACE_GAMMA)
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Albedo = Albedo * Albedo;
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Emission = Emission * Emission;
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#endif
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#if _NORMALMAP
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half3 normalWS = TangentToWorldNormal(Normal, WorldSpaceTangent, WorldSpaceBiTangent, WorldSpaceNormal);
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#else
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half3 normalWS = normalize(WorldSpaceNormal);
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#endif
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#if LIGHTMAP_ON
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half3 indirectDiffuse = SampleLightmap(IN.lightmapUV.zw, normalWS);
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#else
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half3 indirectDiffuse = EvaluateSHPerPixel(normalWS, IN.vertexSH);
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#endif
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half4 color = LightweightFragmentPBR(
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WorldSpacePosition,
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normalWS,
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WorldSpaceViewDirection,
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indirectDiffuse,
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IN.fogFactorAndVertexLight.yzw,
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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 _AlphaOut
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color.a = Alpha;
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#else
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color.a = 1;
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#endif
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#if _AlphaClip
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clip(Alpha - 0.01);
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#endif
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return color;
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}
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ENDCG
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}
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