// All Setup Keyword functions must be static. It allow to create script to automatically update the shaders with a script if code change
public static void SetupMaterialKeywordsAndPass(Material material)
{
SetupBaseUnlitKeywords(material);
SetupBaseUnlitMaterialPass(material);
bool doubleSidedEnable = material.GetFloat(kDoubleSidedEnable) > 0.0f;
if (doubleSidedEnable)
{
BaseLitGUI.DoubleSidedNormalMode doubleSidedNormalMode =
(BaseLitGUI.DoubleSidedNormalMode)material.GetFloat(k_DoubleSidedNormalMode);
switch (doubleSidedNormalMode)
{
case BaseLitGUI.DoubleSidedNormalMode.Mirror: // Mirror mode (in tangent space)
material.SetVector("_DoubleSidedConstants", new Vector4(1.0f, 1.0f, -1.0f, 0.0f));
break;
case BaseLitGUI.DoubleSidedNormalMode.Flip: // Flip mode (in tangent space)
material.SetVector("_DoubleSidedConstants", new Vector4(-1.0f, -1.0f, -1.0f, 0.0f));
break;
case BaseLitGUI.DoubleSidedNormalMode.None: // None mode (in tangent space)
material.SetVector("_DoubleSidedConstants", new Vector4(1.0f, 1.0f, 1.0f, 0.0f));
break;
}
}
SetupMainTexForAlphaTestGI("_BaseColorMap", "_BaseColor", material);
//TODO: disable DBUFFER
SetupTextureMaterialProperty(material, k_Metallic);
SetupTextureMaterialProperty(material, k_SmoothnessA);
SetupTextureMaterialProperty(material, k_SmoothnessB);
SetupTextureMaterialProperty(material, k_AmbientOcclusion);
SetupTextureMaterialProperty(material, k_SubsurfaceMask);
SetupTextureMaterialProperty(material, k_Thickness);
SetupTextureMaterialProperty(material, k_Anisotropy);
SetupTextureMaterialProperty(material, k_IridescenceThickness);
SetupTextureMaterialProperty(material, k_IridescenceMask);
SetupTextureMaterialProperty(material, k_CoatSmoothness);
// details
SetupTextureMaterialProperty(material, k_DetailMask);
SetupTextureMaterialProperty(material, k_DetailSmoothness);
// Check if we are using specific UVs.
TextureProperty.UVMapping[] uvIndices = new[]
{
(TextureProperty.UVMapping)material.GetFloat(k_BaseColorMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_MetallicMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_NormalMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_SmoothnessAMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_SmoothnessBMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_AmbientOcclusionMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_EmissiveColorMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_SubsurfaceMaskMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_ThicknessMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_AnisotropyMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_IridescenceThicknessMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_IridescenceMaskMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_CoatSmoothnessMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_CoatNormalMapUV),
// Details
(TextureProperty.UVMapping)material.GetFloat(k_DetailMaskMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_DetailSmoothnessMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_DetailNormalMapUV),
};
// Set keyword for mapping
//bool requireUv2 = false;
//bool requireUv3 = false;
bool requireTriplanar = false;
for (int i = 0; i < uvIndices.Length; ++i)
{
//requireUv2 = requireUv2 || uvIndices[i] == TextureProperty.UVMapping.UV2;
//requireUv3 = requireUv3 || uvIndices[i] == TextureProperty.UVMapping.UV3;
requireTriplanar = requireTriplanar || uvIndices[i] == TextureProperty.UVMapping.Triplanar;
}
CoreUtils.SetKeyword(material, "_USE_TRIPLANAR", requireTriplanar);
bool detailsEnabled = material.HasProperty(k_EnableDetails) && material.GetFloat(k_EnableDetails) > 0.0f;
CoreUtils.SetKeyword(material, "_USE_DETAILMAP", detailsEnabled);
bool dualSpecularLobeEnabled = material.HasProperty(k_EnableDualSpecularLobe) && material.GetFloat(k_EnableDualSpecularLobe) > 0.0f;
CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_DUAL_SPECULAR_LOBE", dualSpecularLobeEnabled);
bool anisotropyEnabled = material.HasProperty(k_EnableAnisotropy) && material.GetFloat(k_EnableAnisotropy) > 0.0f;
CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_ANISOTROPY", anisotropyEnabled);
bool iridescenceEnabled = material.HasProperty(k_EnableIridescence) && material.GetFloat(k_EnableIridescence) > 0.0f;
CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_IRIDESCENCE", iridescenceEnabled);
bool transmissionEnabled = material.HasProperty(k_EnableTransmission) && material.GetFloat(k_EnableTransmission) > 0.0f;
CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_TRANSMISSION", transmissionEnabled);
bool sssEnabled = material.HasProperty(k_EnableSubsurfaceScattering) && material.GetFloat(k_EnableSubsurfaceScattering) > 0.0f;
CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_SUBSURFACE_SCATTERING", sssEnabled);
bool coatEnabled = material.HasProperty(k_EnableCoat) && material.GetFloat(k_EnableCoat) > 0.0f;
CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_COAT", coatEnabled);
bool coatNormalMapEnabled = material.HasProperty(k_EnableCoatNormalMap) && material.GetFloat(k_EnableCoatNormalMap) > 0.0f;
CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_COAT_NORMALMAP", coatNormalMapEnabled);
// TEMP - Remove once dev is finish
bool debugEnabled = material.HasProperty("_DebugEnable") && material.GetFloat("_DebugEnable") > 0.0f;
CoreUtils.SetKeyword(material, "_STACKLIT_DEBUG", debugEnabled);
bool vlayerRecomputePerLight = material.HasProperty("_VlayerRecomputePerLight") && material.GetFloat("_VlayerRecomputePerLight") > 0.0f;
CoreUtils.SetKeyword(material, "_VLAYERED_RECOMPUTE_PERLIGHT", vlayerRecomputePerLight);
bool vlayerUseRefractedAnglesForBase = material.HasProperty("_VlayerUseRefractedAnglesForBase") && material.GetFloat("_VlayerUseRefractedAnglesForBase") > 0.0f;
CoreUtils.SetKeyword(material, "_VLAYERED_USE_REFRACTED_ANGLES_FOR_BASE", vlayerUseRefractedAnglesForBase);
// Set the reference value for the stencil test - required for SSS
int stencilRef = (int)StencilLightingUsage.RegularLighting;
if (sssEnabled)
{
stencilRef = (int)StencilLightingUsage.SplitLighting;
}
// As we tag both during velocity pass and Gbuffer pass we need a separate state and we need to use the write mask
material.SetInt(kStencilRef, stencilRef);
material.SetInt(kStencilWriteMask, (int)HDRenderPipeline.StencilBitMask.LightingMask);
material.SetInt(kStencilRefMV, (int)HDRenderPipeline.StencilBitMask.ObjectVelocity);
material.SetInt(kStencilWriteMaskMV, (int)HDRenderPipeline.StencilBitMask.ObjectVelocity);
}
// All Setup Keyword functions must be static. It allow to create script to automatically update the shaders with a script if code change
public static void SetupMaterialKeywordsAndPass(Material material)
{
//TODO see BaseLitUI.cs:SetupBaseLitKeywords (stencil etc)
SetupBaseUnlitKeywords(material);
SetupBaseUnlitMaterialPass(material);
bool doubleSidedEnable = material.GetFloat(kDoubleSidedEnable) > 0.0f;
if (doubleSidedEnable)
{
BaseLitGUI.DoubleSidedNormalMode doubleSidedNormalMode = (BaseLitGUI.DoubleSidedNormalMode)material.GetFloat(k_DoubleSidedNormalMode);
switch (doubleSidedNormalMode)
{
case BaseLitGUI.DoubleSidedNormalMode.Mirror: // Mirror mode (in tangent space)
material.SetVector("_DoubleSidedConstants", new Vector4(1.0f, 1.0f, -1.0f, 0.0f));
break;
case BaseLitGUI.DoubleSidedNormalMode.Flip: // Flip mode (in tangent space)
material.SetVector("_DoubleSidedConstants", new Vector4(-1.0f, -1.0f, -1.0f, 0.0f));
break;
case BaseLitGUI.DoubleSidedNormalMode.None: // None mode (in tangent space)
material.SetVector("_DoubleSidedConstants", new Vector4(1.0f, 1.0f, 1.0f, 0.0f));
break;
}
}
//NOTE: For SSS in forward and split lighting, obviously we don't have a gbuffer pass,
// so no stencil tagging there, but velocity? To check...
//TODO: stencil state, displacement, wind, depthoffset, tessellation
SetupMainTexForAlphaTestGI("_BaseColorMap", "_BaseColor", material);
//TODO: disable DBUFFER
CoreUtils.SetKeyword(material, "_NORMALMAP_TANGENT_SPACE", true);
CoreUtils.SetKeyword(material, "_NORMALMAP", material.GetTexture(k_NormalMap));
SetupTextureMaterialProperty(material, k_Metallic);
SetupTextureMaterialProperty(material, k_Smoothness1);
SetupTextureMaterialProperty(material, k_Smoothness2);
SetupTextureMaterialProperty(material, k_AmbientOcclusion);
SetupTextureMaterialProperty(material, k_SubsurfaceMask);
SetupTextureMaterialProperty(material, k_Thickness);
// Check if we are using specific UVs.
TextureProperty.UVMapping[] uvIndices = new[]
{
(TextureProperty.UVMapping)material.GetFloat(k_BaseColorMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_MetallicMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_NormalMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_Smoothness1MapUV),
(TextureProperty.UVMapping)material.GetFloat(k_Smoothness2MapUV),
(TextureProperty.UVMapping)material.GetFloat(k_AmbientOcclusionMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_EmissiveColorMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_SubsurfaceMaskMapUV),
(TextureProperty.UVMapping)material.GetFloat(k_ThicknessMapUV),
};
bool requireUv2 = false;
bool requireUv3 = false;
bool requireTriplanar = false;
for (int i = 0; i < uvIndices.Length; ++i)
{
requireUv2 = requireUv2 || uvIndices[i] == TextureProperty.UVMapping.UV2;
requireUv3 = requireUv3 || uvIndices[i] == TextureProperty.UVMapping.UV3;
requireTriplanar = requireTriplanar || uvIndices[i] == TextureProperty.UVMapping.Triplanar;
}
//CoreUtils.SetKeyword(material, "_USE_UV2", requireUv2);
//CoreUtils.SetKeyword(material, "_USE_UV3", requireUv3);
CoreUtils.SetKeyword(material, "_USE_TRIPLANAR", requireTriplanar);
bool anisotropyEnabled = material.HasProperty(k_Anisotropy) && (material.GetFloat(k_Anisotropy) != 0.0f);
// TODO: When we have a map, also test for map for enable. (This scheme doesn't allow enabling from
// neutral value though, better to still have flag and uncheck it in UI code when reach neutral
// value and re-enable otherwise).
bool coatEnabled = material.HasProperty(k_CoatEnable) && (material.GetFloat(k_CoatEnable) > 0.0f);
bool dualLobeEnabled = material.HasProperty(k_LobeMix) && (material.GetFloat(k_LobeMix) > 0.0f);
// Note that we don't use the materialId (cf Lit.shader) mechanism in the UI
CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_ANISOTROPY", anisotropyEnabled);
CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_COAT", coatEnabled);
CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_DUAL_LOBE", dualLobeEnabled);
}