You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
405 lines
20 KiB
405 lines
20 KiB
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using UnityEditor.Graphing;
|
|
using UnityEngine; // Vector3,4
|
|
using UnityEditor.ShaderGraph;
|
|
using UnityEditor.ShaderGraph.Internal;
|
|
using UnityEngine.Rendering.HighDefinition;
|
|
using UnityEngine.Rendering;
|
|
using UnityEditor.Rendering.HighDefinition.ShaderGraph;
|
|
using UnityEditor.ShaderGraph.Legacy;
|
|
using ShaderPass = UnityEditor.ShaderGraph.PassDescriptor;
|
|
using DoubleSidedGIMode = UnityEngine.Rendering.HighDefinition.DoubleSidedGIMode;
|
|
|
|
// Include material common properties names
|
|
using static UnityEngine.Rendering.HighDefinition.HDMaterialProperties;
|
|
|
|
namespace UnityEditor.Rendering.HighDefinition
|
|
{
|
|
internal enum HDRenderTypeTags
|
|
{
|
|
HDLitShader, // For Lit, LayeredLit, LitTesselation, LayeredLitTesselation
|
|
HDUnlitShader, // Unlit
|
|
Opaque, // Used by Terrain
|
|
HDFogVolumeShader, // Fog Volume ShaderGraphs
|
|
}
|
|
|
|
static class HDSubShaderUtilities
|
|
{
|
|
// Utils property to add properties to the collector, all hidden because we use a custom UI to display them
|
|
static void AddIntProperty(this PropertyCollector collector, string referenceName, int defaultValue, HLSLDeclaration declarationType = HLSLDeclaration.DoNotDeclare)
|
|
{
|
|
collector.AddShaderProperty(new Vector1ShaderProperty
|
|
{
|
|
floatType = FloatType.Integer,
|
|
value = defaultValue,
|
|
hidden = true,
|
|
overrideHLSLDeclaration = true,
|
|
hlslDeclarationOverride = declarationType,
|
|
overrideReferenceName = referenceName,
|
|
});
|
|
}
|
|
|
|
static void AddFloatProperty(this PropertyCollector collector, string referenceName, float defaultValue, HLSLDeclaration declarationType = HLSLDeclaration.DoNotDeclare)
|
|
{
|
|
collector.AddShaderProperty(new Vector1ShaderProperty
|
|
{
|
|
floatType = FloatType.Default,
|
|
hidden = true,
|
|
overrideHLSLDeclaration = true,
|
|
hlslDeclarationOverride = declarationType,
|
|
value = defaultValue,
|
|
overrideReferenceName = referenceName,
|
|
});
|
|
}
|
|
|
|
static void AddFloatProperty(this PropertyCollector collector, string referenceName, string displayName, float defaultValue, HLSLDeclaration declarationType = HLSLDeclaration.DoNotDeclare)
|
|
{
|
|
collector.AddShaderProperty(new Vector1ShaderProperty
|
|
{
|
|
floatType = FloatType.Default,
|
|
value = defaultValue,
|
|
overrideReferenceName = referenceName,
|
|
hidden = true,
|
|
overrideHLSLDeclaration = true,
|
|
hlslDeclarationOverride = declarationType,
|
|
displayName = displayName,
|
|
});
|
|
}
|
|
|
|
static void AddSliderProperty(this PropertyCollector collector, string referenceName, string displayName, float defaultValue, Vector2 range, HLSLDeclaration declarationType = HLSLDeclaration.DoNotDeclare)
|
|
{
|
|
collector.AddShaderProperty(new Vector1ShaderProperty
|
|
{
|
|
floatType = FloatType.Slider,
|
|
rangeValues = range,
|
|
value = defaultValue,
|
|
overrideReferenceName = referenceName,
|
|
hidden = true,
|
|
overrideHLSLDeclaration = true,
|
|
hlslDeclarationOverride = declarationType,
|
|
displayName = displayName,
|
|
});
|
|
}
|
|
|
|
static void AddToggleProperty(this PropertyCollector collector, string referenceName, bool defaultValue, HLSLDeclaration declarationType = HLSLDeclaration.DoNotDeclare)
|
|
{
|
|
collector.AddShaderProperty(new BooleanShaderProperty
|
|
{
|
|
value = defaultValue,
|
|
hidden = true,
|
|
overrideHLSLDeclaration = true,
|
|
hlslDeclarationOverride = declarationType,
|
|
overrideReferenceName = referenceName,
|
|
});
|
|
}
|
|
|
|
public static void AddStencilShaderProperties(PropertyCollector collector, SystemData systemData, LightingData lightingData, bool splitLighting, bool receivesLighting, bool forwardOnly)
|
|
{
|
|
bool ssrStencil = false;
|
|
|
|
if (lightingData != null)
|
|
{
|
|
ssrStencil = systemData.surfaceType == SurfaceType.Opaque ? lightingData.receiveSSR : lightingData.receiveSSRTransparent;
|
|
bool receiveSSROpaque = lightingData.receiveSSR;
|
|
bool receiveSSRTransparent = lightingData.receiveSSRTransparent;
|
|
bool receiveDecals = lightingData.receiveDecals;
|
|
bool blendPreserveSpecular = lightingData.blendPreserveSpecular;
|
|
|
|
// Don't add those property on Unlit
|
|
collector.AddToggleProperty(kUseSplitLighting, splitLighting);
|
|
collector.AddToggleProperty(kReceivesSSR, receiveSSROpaque);
|
|
collector.AddToggleProperty(kReceivesSSRTransparent, receiveSSRTransparent);
|
|
collector.AddToggleProperty(kEnableBlendModePreserveSpecularLighting, blendPreserveSpecular, HLSLDeclaration.UnityPerMaterial);
|
|
collector.AddToggleProperty(kSupportDecals, receiveDecals);
|
|
}
|
|
else
|
|
{
|
|
// We still need to define it on unlit as it is needed to compile when Material.hlsl is used
|
|
collector.AddToggleProperty(kEnableBlendModePreserveSpecularLighting, false, HLSLDeclaration.UnityPerMaterial);
|
|
}
|
|
|
|
bool excludeFromTUAndAA = systemData?.excludeFromTUAndAA ?? false;
|
|
collector.AddToggleProperty(kExcludeFromTUAndAA, excludeFromTUAndAA);
|
|
|
|
// Configure render state
|
|
BaseLitAPI.ComputeStencilProperties(
|
|
receivesLighting,
|
|
forwardOnly,
|
|
ssrStencil,
|
|
splitLighting,
|
|
false,
|
|
excludeFromTUAndAA,
|
|
out int stencilRef,
|
|
out int stencilWriteMask,
|
|
out int stencilRefDepth,
|
|
out int stencilWriteMaskDepth,
|
|
out int stencilRefGBuffer,
|
|
out int stencilWriteMaskGBuffer,
|
|
out int stencilRefMV,
|
|
out int stencilWriteMaskMV);
|
|
|
|
// All these properties values will be patched with the material keyword update
|
|
collector.AddIntProperty("_StencilRef", stencilRef);
|
|
collector.AddIntProperty("_StencilWriteMask", stencilWriteMask);
|
|
// Depth prepass
|
|
collector.AddIntProperty("_StencilRefDepth", stencilRefDepth); // Nothing
|
|
collector.AddIntProperty("_StencilWriteMaskDepth", stencilWriteMaskDepth); // StencilUsage.TraceReflectionRay
|
|
// Motion vector pass
|
|
collector.AddIntProperty("_StencilRefMV", stencilRefMV); // StencilUsage.ObjectMotionVector
|
|
collector.AddIntProperty("_StencilWriteMaskMV", stencilWriteMaskMV); // StencilUsage.ObjectMotionVector
|
|
// Distortion vector pass
|
|
collector.AddIntProperty("_StencilRefDistortionVec", (int)StencilUsage.DistortionVectors);
|
|
collector.AddIntProperty("_StencilWriteMaskDistortionVec", (int)StencilUsage.DistortionVectors);
|
|
// Gbuffer
|
|
if (!forwardOnly)
|
|
{
|
|
collector.AddIntProperty(kStencilWriteMaskGBuffer, stencilWriteMaskGBuffer);
|
|
collector.AddIntProperty(kStencilRefGBuffer, stencilRefGBuffer);
|
|
collector.AddIntProperty(kZTestGBuffer, 4);
|
|
}
|
|
}
|
|
|
|
public static void AddBlendingStatesShaderProperties(
|
|
PropertyCollector collector, SurfaceType surface, BlendingMode blending, int sortingPriority,
|
|
bool transparentZWrite, TransparentCullMode transparentCullMode,
|
|
OpaqueCullMode opaqueCullMode, CompareFunction zTest,
|
|
bool backThenFrontRendering, bool fogOnTransparent, HDRenderQueue.RenderQueueType renderQueueType)
|
|
{
|
|
collector.AddFloatProperty("_SurfaceType", (int)surface);
|
|
collector.AddFloatProperty("_BlendMode", (int)blending, HLSLDeclaration.UnityPerMaterial);
|
|
|
|
// All these properties values will be patched with the material keyword update
|
|
collector.AddFloatProperty("_SrcBlend", 1.0f);
|
|
collector.AddFloatProperty("_DstBlend", 0.0f);
|
|
collector.AddFloatProperty("_DstBlend2", 0.0f);
|
|
collector.AddFloatProperty("_AlphaSrcBlend", 1.0f);
|
|
collector.AddFloatProperty("_AlphaDstBlend", 0.0f);
|
|
collector.AddToggleProperty(kZWrite, (surface == SurfaceType.Transparent) ? transparentZWrite : true);
|
|
collector.AddToggleProperty(kTransparentZWrite, transparentZWrite);
|
|
collector.AddFloatProperty("_CullMode", (int)CullMode.Back);
|
|
collector.AddIntProperty(kTransparentSortPriority, sortingPriority);
|
|
collector.AddToggleProperty(kEnableFogOnTransparent, fogOnTransparent);
|
|
collector.AddFloatProperty("_CullModeForward", (int)CullMode.Back);
|
|
collector.AddShaderProperty(new Vector1ShaderProperty
|
|
{
|
|
overrideReferenceName = kTransparentCullMode,
|
|
floatType = FloatType.Enum,
|
|
value = (int)transparentCullMode,
|
|
enumNames = { "Front", "Back" },
|
|
enumValues = { (int)TransparentCullMode.Front, (int)TransparentCullMode.Back },
|
|
hidden = true,
|
|
overrideHLSLDeclaration = true,
|
|
hlslDeclarationOverride = HLSLDeclaration.DoNotDeclare,
|
|
});
|
|
collector.AddShaderProperty(new Vector1ShaderProperty
|
|
{
|
|
overrideReferenceName = kOpaqueCullMode,
|
|
floatType = FloatType.Enum,
|
|
value = (int)opaqueCullMode,
|
|
enumType = EnumType.CSharpEnum,
|
|
cSharpEnumType = typeof(OpaqueCullMode),
|
|
hidden = true,
|
|
overrideHLSLDeclaration = true,
|
|
hlslDeclarationOverride = HLSLDeclaration.DoNotDeclare,
|
|
});
|
|
|
|
// Add ZTest properties (keep in sync with BaseUnlitAPI opaque ztest setup):
|
|
if (surface == SurfaceType.Opaque)
|
|
{
|
|
if (HDRenderQueue.GetOpaqueEquivalent(renderQueueType) == HDRenderQueue.RenderQueueType.AfterPostProcessOpaque)
|
|
collector.AddIntProperty("_ZTestDepthEqualForOpaque", (int)CompareFunction.LessEqual);
|
|
else
|
|
collector.AddIntProperty("_ZTestDepthEqualForOpaque", (int)CompareFunction.Equal);
|
|
}
|
|
else
|
|
{
|
|
collector.AddIntProperty("_ZTestDepthEqualForOpaque", (int)zTest);
|
|
}
|
|
|
|
collector.AddShaderProperty(new Vector1ShaderProperty
|
|
{
|
|
overrideReferenceName = kZTestTransparent,
|
|
floatType = FloatType.Enum,
|
|
value = (int)zTest,
|
|
enumType = EnumType.CSharpEnum,
|
|
cSharpEnumType = typeof(CompareFunction),
|
|
hidden = true,
|
|
overrideHLSLDeclaration = true,
|
|
hlslDeclarationOverride = HLSLDeclaration.DoNotDeclare,
|
|
});
|
|
|
|
collector.AddToggleProperty(kTransparentBackfaceEnable, backThenFrontRendering);
|
|
}
|
|
|
|
public static void AddTessellationShaderProperties(PropertyCollector collector, TessellationMode tessellationMode,
|
|
float tessellationFactorMinDistance, float tessellationFactorMaxDistance, float tessellationFactorTriangleSize,
|
|
float tessellationShapeFactor, float tessellationBackFaceCullEpsilon, float tessellationMaxDisplacement)
|
|
{
|
|
collector.AddShaderProperty(new Vector1ShaderProperty
|
|
{
|
|
overrideReferenceName = kTessellationMode,
|
|
floatType = FloatType.Enum,
|
|
value = (int)tessellationMode,
|
|
enumNames = { "None", "Phong" },
|
|
enumValues = { (int)TessellationMode.None, (int)TessellationMode.Phong },
|
|
hidden = true,
|
|
overrideHLSLDeclaration = true,
|
|
hlslDeclarationOverride = HLSLDeclaration.DoNotDeclare,
|
|
});
|
|
|
|
collector.AddFloatProperty(kTessellationFactorMinDistance, tessellationFactorMinDistance, HLSLDeclaration.UnityPerMaterial);
|
|
collector.AddFloatProperty(kTessellationFactorMaxDistance, tessellationFactorMaxDistance, HLSLDeclaration.UnityPerMaterial);
|
|
collector.AddFloatProperty(kTessellationFactorTriangleSize, tessellationFactorTriangleSize, HLSLDeclaration.UnityPerMaterial);
|
|
collector.AddSliderProperty(kTessellationShapeFactor, "Tessellation shape factor", tessellationShapeFactor, new Vector2(0.0f, 1.0f), HLSLDeclaration.UnityPerMaterial);
|
|
collector.AddSliderProperty(kTessellationBackFaceCullEpsilon, "Tessellation back face epsilon", tessellationBackFaceCullEpsilon, new Vector2(-1.0f, 0.0f), HLSLDeclaration.UnityPerMaterial);
|
|
collector.AddFloatProperty(kTessellationMaxDisplacement, tessellationMaxDisplacement, HLSLDeclaration.UnityPerMaterial);
|
|
}
|
|
|
|
public static void AddAlphaCutoffShaderProperties(PropertyCollector collector, bool alphaCutoff, bool shadowThreshold)
|
|
{
|
|
collector.AddToggleProperty("_AlphaCutoffEnable", alphaCutoff);
|
|
collector.AddFloatProperty(kTransparentSortPriority, kTransparentSortPriority, 0);
|
|
collector.AddToggleProperty("_UseShadowThreshold", shadowThreshold, HLSLDeclaration.UnityPerMaterial);
|
|
}
|
|
|
|
public static void AddDoubleSidedProperty(PropertyCollector collector, DoubleSidedMode mode = DoubleSidedMode.Enabled, DoubleSidedGIMode giMode = DoubleSidedGIMode.Auto)
|
|
{
|
|
var normalMode = ConvertDoubleSidedModeToDoubleSidedNormalMode(mode);
|
|
collector.AddToggleProperty("_DoubleSidedEnable", mode != DoubleSidedMode.Disabled);
|
|
collector.AddShaderProperty(new Vector1ShaderProperty
|
|
{
|
|
enumNames = { "Flip", "Mirror", "None" }, // values will be 0, 1 and 2
|
|
floatType = FloatType.Enum,
|
|
overrideReferenceName = "_DoubleSidedNormalMode",
|
|
hidden = true,
|
|
overrideHLSLDeclaration = true,
|
|
hlslDeclarationOverride = HLSLDeclaration.DoNotDeclare,
|
|
value = (int)normalMode
|
|
});
|
|
collector.AddShaderProperty(new Vector4ShaderProperty
|
|
{
|
|
overrideReferenceName = "_DoubleSidedConstants",
|
|
hidden = true,
|
|
overrideHLSLDeclaration = true,
|
|
hlslDeclarationOverride = HLSLDeclaration.UnityPerMaterial,
|
|
value = new Vector4(1, 1, -1, 0)
|
|
});
|
|
collector.AddShaderProperty(new Vector1ShaderProperty
|
|
{
|
|
enumNames = { "Auto", "On", "Off" }, // values will be 0, 1 and 2
|
|
floatType = FloatType.Enum,
|
|
overrideReferenceName = "_DoubleSidedGIMode",
|
|
hidden = true,
|
|
overrideHLSLDeclaration = true,
|
|
hlslDeclarationOverride = HLSLDeclaration.DoNotDeclare,
|
|
value = (int)giMode
|
|
});
|
|
}
|
|
|
|
public static void AddRayTracingProperty(PropertyCollector collector, bool isRayTracing)
|
|
{
|
|
collector.AddToggleProperty("_RayTracing", isRayTracing, HLSLDeclaration.UnityPerMaterial);
|
|
}
|
|
|
|
public static void AddPrePostPassProperties(PropertyCollector collector, bool prepass, bool postpass)
|
|
{
|
|
collector.AddToggleProperty(kTransparentDepthPrepassEnable, prepass);
|
|
collector.AddToggleProperty(kTransparentDepthPostpassEnable, postpass);
|
|
}
|
|
|
|
public static string RenderQueueName(HDRenderQueue.RenderQueueType value)
|
|
{
|
|
switch (value)
|
|
{
|
|
case HDRenderQueue.RenderQueueType.Opaque:
|
|
return "Default";
|
|
case HDRenderQueue.RenderQueueType.AfterPostProcessOpaque:
|
|
return "After Post-process";
|
|
case HDRenderQueue.RenderQueueType.PreRefraction:
|
|
return "Before Refraction";
|
|
case HDRenderQueue.RenderQueueType.Transparent:
|
|
return "Default";
|
|
case HDRenderQueue.RenderQueueType.LowTransparent:
|
|
return "Low Resolution";
|
|
case HDRenderQueue.RenderQueueType.AfterPostprocessTransparent:
|
|
return "After Post-process";
|
|
|
|
default:
|
|
return "None";
|
|
}
|
|
}
|
|
|
|
public static System.Collections.Generic.List<HDRenderQueue.RenderQueueType> GetRenderingPassList(bool opaque, bool needAfterPostProcess)
|
|
{
|
|
// We can't use RenderPipelineManager.currentPipeline here because this is called before HDRP is created by SG window
|
|
var result = new System.Collections.Generic.List<HDRenderQueue.RenderQueueType>();
|
|
if (opaque)
|
|
{
|
|
result.Add(HDRenderQueue.RenderQueueType.Opaque);
|
|
if (needAfterPostProcess)
|
|
result.Add(HDRenderQueue.RenderQueueType.AfterPostProcessOpaque);
|
|
}
|
|
else
|
|
{
|
|
result.Add(HDRenderQueue.RenderQueueType.PreRefraction);
|
|
result.Add(HDRenderQueue.RenderQueueType.Transparent);
|
|
result.Add(HDRenderQueue.RenderQueueType.LowTransparent);
|
|
if (needAfterPostProcess)
|
|
result.Add(HDRenderQueue.RenderQueueType.AfterPostprocessTransparent);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
public static bool IsValidRenderingPassValue(HDRenderQueue.RenderQueueType value, bool needAfterPostProcess)
|
|
{
|
|
return needAfterPostProcess || (value != HDRenderQueue.RenderQueueType.AfterPostProcessOpaque && value != HDRenderQueue.RenderQueueType.AfterPostprocessTransparent);
|
|
}
|
|
|
|
public static bool UpgradeLegacyAlphaClip(IMasterNode1 masterNode)
|
|
{
|
|
var clipThresholdId = 8;
|
|
var node = masterNode as AbstractMaterialNode;
|
|
var clipThresholdSlot = node.FindSlot<Vector1MaterialSlot>(clipThresholdId);
|
|
if (clipThresholdSlot == null)
|
|
return false;
|
|
|
|
clipThresholdSlot.owner = node;
|
|
return (clipThresholdSlot.isConnected || clipThresholdSlot.value > 0.0f);
|
|
}
|
|
|
|
public static BlendingMode UpgradeLegacyAlphaModeToBlendMode(int alphaMode)
|
|
{
|
|
switch (alphaMode)
|
|
{
|
|
case 0: //AlphaMode.Alpha:
|
|
return BlendingMode.Alpha;
|
|
case 1: //AlphaMode.Premultiply:
|
|
return BlendingMode.Premultiply;
|
|
case 2: //AlphaMode.Additive:
|
|
return BlendingMode.Additive;
|
|
case 3: //AlphaMode.Multiply: // In case of multiply we fall back to Premultiply
|
|
return BlendingMode.Premultiply;
|
|
default:
|
|
throw new System.Exception("Unknown AlphaMode at index: " + alphaMode + ": can't convert to BlendMode.");
|
|
}
|
|
}
|
|
|
|
public static DoubleSidedNormalMode ConvertDoubleSidedModeToDoubleSidedNormalMode(DoubleSidedMode shaderGraphMode)
|
|
{
|
|
switch (shaderGraphMode)
|
|
{
|
|
case DoubleSidedMode.FlippedNormals:
|
|
return DoubleSidedNormalMode.Flip;
|
|
case DoubleSidedMode.MirroredNormals:
|
|
return DoubleSidedNormalMode.Mirror;
|
|
case DoubleSidedMode.Enabled:
|
|
case DoubleSidedMode.Disabled:
|
|
default:
|
|
return DoubleSidedNormalMode.None;
|
|
}
|
|
}
|
|
}
|
|
}
|