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38 行
1.3 KiB
38 行
1.3 KiB
#if SHADERPASS != SHADERPASS_FORWARD
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#error SHADERPASS_is_not_correctly_define
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#endif
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void Frag( PackedVaryings packedInput,
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out float4 outColor : SV_Target
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#ifdef _DEPTHOFFSET_ON
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, out float outputDepth : SV_Depth
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#endif
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)
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{
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FragInputs input = UnpackVaryings(packedInput);
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// input.unPositionSS is SV_Position
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PositionInputs posInput = GetPositionInput(input.unPositionSS.xy, _ScreenSize.zw);
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UpdatePositionInput(input.unPositionSS.z, input.unPositionSS.w, input.positionWS, posInput);
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float3 V = GetWorldSpaceNormalizeViewDir(input.positionWS);
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SurfaceData surfaceData;
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BuiltinData builtinData;
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GetSurfaceAndBuiltinData(input, V, posInput, surfaceData, builtinData);
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BSDFData bsdfData = ConvertSurfaceDataToBSDFData(surfaceData);
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PreLightData preLightData = GetPreLightData(V, posInput, bsdfData);
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float3 diffuseLighting;
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float3 specularLighting;
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float3 bakeDiffuseLighting = GetBakedDiffuseLigthing(surfaceData, builtinData, bsdfData, preLightData);
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LightLoop(V, posInput, preLightData, bsdfData, bakeDiffuseLighting, diffuseLighting, specularLighting);
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outColor = float4(diffuseLighting + specularLighting, builtinData.opacity);
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#ifdef _DEPTHOFFSET_ON
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outputDepth = posInput.depthRaw;
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#endif
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}
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