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129 lines
8.5 KiB
129 lines
8.5 KiB
using UnityEditor.Rendering.HighDefinition;
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using static UnityEngine.Rendering.HighDefinition.HDMaterialProperties;
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namespace UnityEngine.Rendering.HighDefinition
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{
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internal static class LitAPI
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{
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// All Validate functions must be static. It allows to automatically update the shaders with a script if code changes
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internal static void ValidateMaterial(Material material)
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{
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BaseLitAPI.SetupBaseLitKeywords(material);
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BaseLitAPI.SetupBaseLitMaterialPass(material);
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bool receiveSSR = material.GetSurfaceType() == SurfaceType.Opaque ? (material.HasProperty(kReceivesSSR) ? material.GetInt(kReceivesSSR) != 0 : false)
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: (material.HasProperty(kReceivesSSRTransparent) ? material.GetInt(kReceivesSSRTransparent) != 0 : false);
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bool excludeFromTUAndAA = BaseLitAPI.CompatibleWithExcludeFromTUAndAA(material) && material.GetInt(kExcludeFromTUAndAA) != 0;
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bool compositionMask = BaseLitAPI.CompatibleWithExcludeFromTUAndAA(material) && material.GetInt(kCompositionMask) != 0; // WW1MOD: added composition mask on stencil user bit 0
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BaseLitAPI.SetupStencil(material, receivesLighting: true, receiveSSR, material.GetMaterialType() == MaterialId.LitSSS, excludeFromTUAndAA: excludeFromTUAndAA, compositionMask: compositionMask);
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BaseLitAPI.SetupDisplacement(material);
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if (material.HasProperty(kNormalMapSpace))
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{
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NormalMapSpace normalMapSpace = (NormalMapSpace)material.GetFloat(kNormalMapSpace);
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// Note: keywords must be based on Material value not on MaterialProperty due to multi-edit & material animation
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// (MaterialProperty value might come from renderer material property block)
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CoreUtils.SetKeyword(material, "_MAPPING_PLANAR", ((UVBaseMapping)material.GetFloat(kUVBase)) == UVBaseMapping.Planar);
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CoreUtils.SetKeyword(material, "_MAPPING_TRIPLANAR", ((UVBaseMapping)material.GetFloat(kUVBase)) == UVBaseMapping.Triplanar);
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CoreUtils.SetKeyword(material, "_NORMALMAP_TANGENT_SPACE", (normalMapSpace == NormalMapSpace.TangentSpace));
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if (normalMapSpace == NormalMapSpace.TangentSpace)
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{
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// With details map, we always use a normal map and Unity provide a default (0, 0, 1) normal map for it
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CoreUtils.SetKeyword(material, "_NORMALMAP", material.GetTexture(kNormalMap) || material.GetTexture(kDetailMap));
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CoreUtils.SetKeyword(material, "_TANGENTMAP", material.GetTexture(kTangentMap));
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CoreUtils.SetKeyword(material, "_BENTNORMALMAP", material.GetTexture(kBentNormalMap));
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}
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else // Object space
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{
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CoreUtils.SetKeyword(material, "_NORMALMAP", material.GetTexture(kNormalMapOS));
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CoreUtils.SetKeyword(material, "_TANGENTMAP", material.GetTexture(kTangentMapOS));
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CoreUtils.SetKeyword(material, "_BENTNORMALMAP", material.GetTexture(kBentNormalMapOS));
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}
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}
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if (material.HasProperty(kMaskMap))
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CoreUtils.SetKeyword(material, "_MASKMAP", material.GetTexture(kMaskMap));
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if (material.HasProperty(kUVEmissive) && material.HasProperty(kEmissiveColorMap))
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{
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CoreUtils.SetKeyword(material, "_EMISSIVE_MAPPING_PLANAR", ((UVEmissiveMapping)material.GetFloat(kUVEmissive)) == UVEmissiveMapping.Planar && material.GetTexture(kEmissiveColorMap));
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CoreUtils.SetKeyword(material, "_EMISSIVE_MAPPING_TRIPLANAR", ((UVEmissiveMapping)material.GetFloat(kUVEmissive)) == UVEmissiveMapping.Triplanar && material.GetTexture(kEmissiveColorMap));
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CoreUtils.SetKeyword(material, "_EMISSIVE_MAPPING_BASE", ((UVEmissiveMapping)material.GetFloat(kUVEmissive)) == UVEmissiveMapping.SameAsBase && material.GetTexture(kEmissiveColorMap));
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CoreUtils.SetKeyword(material, "_EMISSIVE_COLOR_MAP", material.GetTexture(kEmissiveColorMap));
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}
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if (material.HasProperty(kUseEmissiveIntensity) && material.GetFloat(kUseEmissiveIntensity) != 0)
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material.UpdateEmissiveColorFromIntensityAndEmissiveColorLDR();
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if (material.HasProperty(kSpecularOcclusionMode))
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{
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// For migration of specular occlusion to specular mode we remove previous keyword
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// _ENABLESPECULAROCCLUSION is deprecated
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CoreUtils.SetKeyword(material, "_ENABLESPECULAROCCLUSION", false);
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int specOcclusionMode = material.GetInt(kSpecularOcclusionMode);
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CoreUtils.SetKeyword(material, "_SPECULAR_OCCLUSION_NONE", specOcclusionMode == 0);
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CoreUtils.SetKeyword(material, "_SPECULAR_OCCLUSION_FROM_BENT_NORMAL_MAP", specOcclusionMode == 2);
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}
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if (material.HasProperty(kHeightMap))
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CoreUtils.SetKeyword(material, "_HEIGHTMAP", material.GetTexture(kHeightMap));
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if (material.HasProperty(kAnisotropyMap))
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CoreUtils.SetKeyword(material, "_ANISOTROPYMAP", material.GetTexture(kAnisotropyMap));
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if (material.HasProperty(kDetailMap))
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CoreUtils.SetKeyword(material, "_DETAIL_MAP", material.GetTexture(kDetailMap));
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if (material.HasProperty(kSubsurfaceMaskMap))
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CoreUtils.SetKeyword(material, "_SUBSURFACE_MASK_MAP", material.GetTexture(kSubsurfaceMaskMap));
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if (material.HasProperty(kTransmissionMaskMap))
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CoreUtils.SetKeyword(material, "_TRANSMISSION_MASK_MAP", material.GetTexture(kTransmissionMaskMap));
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if (material.HasProperty(kThicknessMap))
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CoreUtils.SetKeyword(material, "_THICKNESSMAP", material.GetTexture(kThicknessMap));
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if (material.HasProperty(kIridescenceThicknessMap))
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CoreUtils.SetKeyword(material, "_IRIDESCENCE_THICKNESSMAP", material.GetTexture(kIridescenceThicknessMap));
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if (material.HasProperty(kSpecularColorMap))
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CoreUtils.SetKeyword(material, "_SPECULARCOLORMAP", material.GetTexture(kSpecularColorMap));
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if (material.HasProperty(kUVDetail) || material.HasProperty(kUVBase))
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{
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bool needUV2 = (UVDetailMapping)material.GetFloat(kUVDetail) == UVDetailMapping.UV2 || (UVBaseMapping)material.GetFloat(kUVBase) == UVBaseMapping.UV2;
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bool needUV3 = (UVDetailMapping)material.GetFloat(kUVDetail) == UVDetailMapping.UV3 || (UVBaseMapping)material.GetFloat(kUVBase) == UVBaseMapping.UV3;
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if (needUV3)
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{
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material.DisableKeyword("_REQUIRE_UV2");
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material.EnableKeyword("_REQUIRE_UV3");
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}
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else if (needUV2)
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{
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material.EnableKeyword("_REQUIRE_UV2");
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material.DisableKeyword("_REQUIRE_UV3");
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}
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else
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{
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material.DisableKeyword("_REQUIRE_UV2");
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material.DisableKeyword("_REQUIRE_UV3");
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}
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}
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if (material.HasProperty(kMaterialID))
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{
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MaterialId materialId = material.GetMaterialType();
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CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_SUBSURFACE_SCATTERING", materialId == MaterialId.LitSSS);
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CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_TRANSMISSION", materialId == MaterialId.LitTranslucent || (materialId == MaterialId.LitSSS && material.GetFloat(kTransmissionEnable) > 0.0f));
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CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_ANISOTROPY", materialId == MaterialId.LitAniso);
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// No material Id for clear coat, just test the attribute
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CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_CLEAR_COAT", material.GetFloat(kCoatMask) > 0.0 || material.GetTexture(kCoatMaskMap));
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CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_IRIDESCENCE", materialId == MaterialId.LitIridescence);
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CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_SPECULAR_COLOR", materialId == MaterialId.LitSpecular);
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}
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if (material.HasProperty(kRefractionModel))
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{
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var canHaveRefraction = material.GetSurfaceType() == SurfaceType.Transparent && !HDRenderQueue.k_RenderQueue_PreRefraction.Contains(material.renderQueue);
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CoreUtils.SetKeyword(material, "_TRANSMITTANCECOLORMAP", material.GetTexture(kTransmittanceColorMap) && canHaveRefraction);
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}
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}
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}
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}
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