348 lines
14 KiB
C#
348 lines
14 KiB
C#
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using System;
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using System.Collections.Generic;
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using UnityEditor.ShaderGraph;
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using UnityEditor.ShaderGraph.Legacy;
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using Unity.Rendering.Universal;
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namespace UnityEditor.Rendering.Universal.ShaderGraph
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{
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sealed class UniversalSpriteLitSubTarget : UniversalSubTarget, ILegacyTarget
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{
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static readonly GUID kSourceCodeGuid = new GUID("ea1514729d7120344b27dcd67fbf34de"); // UniversalSpriteLitSubTarget.cs
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public UniversalSpriteLitSubTarget()
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{
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displayName = "Sprite Lit";
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}
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public override bool IsActive() => true;
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protected override ShaderUtils.ShaderID shaderID => ShaderUtils.ShaderID.SG_SpriteLit;
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public override void Setup(ref TargetSetupContext context)
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{
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base.Setup(ref context);
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context.AddAssetDependency(kSourceCodeGuid, AssetCollection.Flags.SourceDependency);
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#if HAS_VFX_GRAPH
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var universalRPType = typeof(UnityEngine.Rendering.Universal.UniversalRenderPipelineAsset);
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if (TargetsVFX() && !context.HasCustomEditorForRenderPipeline(universalRPType))
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{
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context.AddCustomEditorForRenderPipeline(typeof(VFXGenericShaderGraphMaterialGUI).FullName, universalRPType);
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}
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#endif
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context.AddSubShader(PostProcessSubShader(SubShaders.SpriteLit(target)));
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}
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public override void GetFields(ref TargetFieldContext context)
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{
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base.GetFields(ref context);
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SpriteSubTargetUtility.AddDefaultFields(ref context, target);
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}
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public override void GetActiveBlocks(ref TargetActiveBlockContext context)
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{
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SpriteSubTargetUtility.GetDefaultActiveBlocks(ref context, target);
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context.AddBlock(UniversalBlockFields.SurfaceDescription.SpriteMask);
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context.AddBlock(BlockFields.SurfaceDescription.NormalTS);
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}
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public override void GetPropertiesGUI(ref TargetPropertyGUIContext context, Action onChange, Action<String> registerUndo)
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{
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SpriteSubTargetUtility.AddDefaultPropertiesGUI(ref context, onChange, registerUndo, target);
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}
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public bool TryUpgradeFromMasterNode(IMasterNode1 masterNode, out Dictionary<BlockFieldDescriptor, int> blockMap)
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{
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blockMap = null;
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if (!(masterNode is SpriteLitMasterNode1 spriteLitMasterNode))
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return false;
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// Set blockmap
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blockMap = new Dictionary<BlockFieldDescriptor, int>()
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{
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{ BlockFields.VertexDescription.Position, 9 },
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{ BlockFields.VertexDescription.Normal, 10 },
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{ BlockFields.VertexDescription.Tangent, 11 },
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{ BlockFields.SurfaceDescriptionLegacy.SpriteColor, 0 },
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{ UniversalBlockFields.SurfaceDescription.SpriteMask, 1 },
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{ BlockFields.SurfaceDescription.NormalTS, 2 },
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{ BlockFields.SurfaceDescription.AlphaClipThreshold, 8 },
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};
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return true;
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}
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#region SubShader
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static class SubShaders
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{
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public static SubShaderDescriptor SpriteLit(UniversalTarget target)
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{
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SubShaderDescriptor result = new SubShaderDescriptor()
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{
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pipelineTag = UniversalTarget.kPipelineTag,
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customTags = UniversalTarget.kLitMaterialTypeTag,
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renderType = $"{RenderType.Transparent}",
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renderQueue = $"{UnityEditor.ShaderGraph.RenderQueue.Transparent}",
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generatesPreview = true,
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passes = new PassCollection
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{
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{ SpriteLitPasses.Lit(target) },
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{ SpriteLitPasses.Normal(target) },
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// Currently neither of these passes (selection/picking) can be last for the game view for
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// UI shaders to render correctly. Verify [1352225] before changing this order.
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{ CorePasses._2DSceneSelection(target) },
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{ CorePasses._2DScenePicking(target) },
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{ SpriteLitPasses.Forward(target) },
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},
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};
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return result;
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}
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}
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#endregion
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#region Passes
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static class SpriteLitPasses
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{
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public static PassDescriptor Lit(UniversalTarget target)
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{
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var result = new PassDescriptor()
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{
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// Definition
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displayName = "Sprite Lit",
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referenceName = "SHADERPASS_SPRITELIT",
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lightMode = "Universal2D",
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useInPreview = true,
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// Template
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passTemplatePath = UniversalTarget.kUberTemplatePath,
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sharedTemplateDirectories = UniversalTarget.kSharedTemplateDirectories,
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// Port Mask
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validVertexBlocks = CoreBlockMasks.Vertex,
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validPixelBlocks = SpriteLitBlockMasks.FragmentLit,
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// Fields
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structs = CoreStructCollections.Default,
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requiredFields = SpriteLitRequiredFields.Lit,
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fieldDependencies = CoreFieldDependencies.Default,
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// Conditional State
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renderStates = SpriteSubTargetUtility.GetDefaultRenderState(target),
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pragmas = CorePragmas._2DDefault,
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defines = new DefineCollection(),
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keywords = SpriteLitKeywords.Lit,
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includes = SpriteLitIncludes.Lit,
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// Custom Interpolator Support
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customInterpolators = CoreCustomInterpDescriptors.Common
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};
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if (target.disableTint)
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result.defines.Add(Canvas.ShaderGraph.CanvasSubTarget<Target>.CanvasKeywords.DisableTint, 1);
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SpriteSubTargetUtility.AddAlphaClipControlToPass(ref result, target);
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return result;
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}
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public static PassDescriptor Normal(UniversalTarget target)
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{
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var result = new PassDescriptor()
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{
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// Definition
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displayName = "Sprite Normal",
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referenceName = "SHADERPASS_SPRITENORMAL",
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lightMode = "NormalsRendering",
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useInPreview = true,
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// Template
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passTemplatePath = UniversalTarget.kUberTemplatePath,
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sharedTemplateDirectories = UniversalTarget.kSharedTemplateDirectories,
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// Port Mask
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validVertexBlocks = CoreBlockMasks.Vertex,
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validPixelBlocks = SpriteLitBlockMasks.FragmentForwardNormal,
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// Fields
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structs = CoreStructCollections.Default,
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requiredFields = SpriteLitRequiredFields.Normal,
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fieldDependencies = CoreFieldDependencies.Default,
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// Conditional State
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renderStates = CoreRenderStates.Default,
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pragmas = CorePragmas._2DDefault,
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defines = new DefineCollection(),
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includes = SpriteLitIncludes.Normal,
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// Custom Interpolator Support
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customInterpolators = CoreCustomInterpDescriptors.Common
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};
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if (target.disableTint)
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result.defines.Add(Canvas.ShaderGraph.CanvasSubTarget<Target>.CanvasKeywords.DisableTint, 1);
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SpriteSubTargetUtility.AddAlphaClipControlToPass(ref result, target);
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return result;
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}
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public static PassDescriptor Forward(UniversalTarget target)
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{
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var result = new PassDescriptor
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{
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// Definition
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displayName = "Sprite Forward",
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referenceName = "SHADERPASS_SPRITEFORWARD",
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lightMode = "UniversalForward",
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useInPreview = true,
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// Template
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passTemplatePath = UniversalTarget.kUberTemplatePath,
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sharedTemplateDirectories = UniversalTarget.kSharedTemplateDirectories,
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// Port Mask
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validVertexBlocks = CoreBlockMasks.Vertex,
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validPixelBlocks = SpriteLitBlockMasks.FragmentForwardNormal,
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// Fields
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structs = CoreStructCollections.Default,
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requiredFields = SpriteLitRequiredFields.Forward,
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keywords = SpriteLitKeywords.Forward,
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fieldDependencies = CoreFieldDependencies.Default,
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// Conditional State
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renderStates = CoreRenderStates.Default,
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pragmas = CorePragmas._2DDefault,
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defines = new DefineCollection(),
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includes = SpriteLitIncludes.Forward,
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// Custom Interpolator Support
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customInterpolators = CoreCustomInterpDescriptors.Common
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};
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if (target.disableTint)
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result.defines.Add(Canvas.ShaderGraph.CanvasSubTarget<Target>.CanvasKeywords.DisableTint, 1);
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return result;
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}
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}
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#endregion
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#region PortMasks
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static class SpriteLitBlockMasks
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{
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public static BlockFieldDescriptor[] FragmentLit = new BlockFieldDescriptor[]
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{
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BlockFields.SurfaceDescription.BaseColor,
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BlockFields.SurfaceDescriptionLegacy.SpriteColor,
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BlockFields.SurfaceDescription.Alpha,
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UniversalBlockFields.SurfaceDescription.SpriteMask,
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BlockFields.SurfaceDescription.AlphaClipThreshold,
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};
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public static BlockFieldDescriptor[] FragmentForwardNormal = new BlockFieldDescriptor[]
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{
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BlockFields.SurfaceDescription.BaseColor,
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BlockFields.SurfaceDescriptionLegacy.SpriteColor,
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BlockFields.SurfaceDescription.Alpha,
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BlockFields.SurfaceDescription.NormalTS,
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BlockFields.SurfaceDescription.AlphaClipThreshold,
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};
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}
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#endregion
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#region RequiredFields
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static class SpriteLitRequiredFields
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{
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public static FieldCollection Lit = new FieldCollection()
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{
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StructFields.Varyings.color,
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StructFields.Varyings.positionWS,
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StructFields.Varyings.texCoord0,
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StructFields.Varyings.screenPosition,
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};
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public static FieldCollection Normal = new FieldCollection()
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{
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StructFields.Varyings.normalWS,
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StructFields.Varyings.tangentWS,
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};
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public static FieldCollection Forward = new FieldCollection()
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{
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StructFields.Varyings.color,
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StructFields.Varyings.positionWS,
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StructFields.Varyings.texCoord0,
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};
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}
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#endregion
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#region Keywords
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static class SpriteLitKeywords
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{
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public static KeywordCollection Lit = new KeywordCollection
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{
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{ CoreKeywordDescriptors.ShapeLightType0 },
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{ CoreKeywordDescriptors.ShapeLightType1 },
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{ CoreKeywordDescriptors.ShapeLightType2 },
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{ CoreKeywordDescriptors.ShapeLightType3 },
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{ CoreKeywordDescriptors.DebugDisplay },
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};
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public static KeywordCollection Forward = new KeywordCollection
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{
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{ CoreKeywordDescriptors.DebugDisplay },
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};
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}
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#endregion
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#region Includes
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static class SpriteLitIncludes
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{
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const string k2DLightingUtil = "Packages/com.unity.render-pipelines.universal/Shaders/2D/Include/LightingUtility.hlsl";
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const string k2DNormal = "Packages/com.unity.render-pipelines.universal/Shaders/2D/Include/NormalsRenderingShared.hlsl";
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const string kSpriteLitPass = "Packages/com.unity.render-pipelines.universal/Editor/2D/ShaderGraph/Includes/SpriteLitPass.hlsl";
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const string kSpriteNormalPass = "Packages/com.unity.render-pipelines.universal/Editor/2D/ShaderGraph/Includes/SpriteNormalPass.hlsl";
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const string kSpriteForwardPass = "Packages/com.unity.render-pipelines.universal/Editor/2D/ShaderGraph/Includes/SpriteForwardPass.hlsl";
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public static IncludeCollection Lit = new IncludeCollection
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{
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// Pre-graph
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{ CoreIncludes.CorePregraph },
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{ CoreIncludes.ShaderGraphPregraph },
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{ k2DLightingUtil, IncludeLocation.Pregraph },
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// Post-graph
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{ CoreIncludes.CorePostgraph },
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{ kSpriteLitPass, IncludeLocation.Postgraph },
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};
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public static IncludeCollection Normal = new IncludeCollection
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{
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// Pre-graph
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{ CoreIncludes.CorePregraph },
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{ CoreIncludes.ShaderGraphPregraph },
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{ k2DNormal, IncludeLocation.Pregraph },
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// Post-graph
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{ CoreIncludes.CorePostgraph },
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{ kSpriteNormalPass, IncludeLocation.Postgraph },
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};
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public static IncludeCollection Forward = new IncludeCollection
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{
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// Pre-graph
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{ CoreIncludes.CorePregraph },
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{ CoreIncludes.ShaderGraphPregraph },
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// Post-graph
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{ CoreIncludes.CorePostgraph },
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{ kSpriteForwardPass, IncludeLocation.Postgraph },
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};
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}
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#endregion
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}
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}
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