74 lines
2.7 KiB
C#
74 lines
2.7 KiB
C#
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using UnityEditor.ShaderGraph;
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using UnityEngine;
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using static UnityEditor.Rendering.BuiltIn.ShaderUtils;
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using UnityEditor.Rendering.BuiltIn;
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using System;
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using UnityEngine.UIElements;
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using UnityEditor.Rendering.Canvas.ShaderGraph;
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namespace UnityEditor.Rendering.Universal.ShaderGraph
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{
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class UniversalCanvasSubTarget: CanvasSubTarget<UniversalTarget>, IRequiresData<CanvasData>, IHasMetadata
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{
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static readonly GUID kSourceCodeGuid = new GUID("f7075c3a804b49bf86535f6f86615132"); // UniversalCanvasSubTarget.cs
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static readonly string kCanvasPass = "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/CanvasPass.hlsl";
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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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}
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public override bool IsActive() => true;
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// We don't need the save context / update materials for now
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public override object saveContext => null;
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protected override string pipelineTag => UniversalTarget.kPipelineTag;
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protected override IncludeCollection pregraphIncludes => new IncludeCollection
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{
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{ CoreIncludes.CorePregraph },
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{ kInstancing, IncludeLocation.Pregraph },
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{ CoreIncludes.ShaderGraphPregraph },
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};
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protected override IncludeCollection postgraphIncludes => new IncludeCollection
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{
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{kCanvasPass, IncludeLocation.Postgraph},
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};
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public UniversalCanvasSubTarget()
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{
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displayName = "Canvas";
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}
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protected override DefineCollection GetAdditionalDefines()
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{
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var result = new DefineCollection();
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if (canvasData.alphaClip)
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result.Add(CoreKeywordDescriptors.AlphaTestOn, 1);
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result.Add(base.GetAdditionalDefines());
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return result;
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}
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public override void GetActiveBlocks(ref TargetActiveBlockContext context)
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{
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base.GetActiveBlocks(ref context);
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context.AddBlock(BlockFields.SurfaceDescription.AlphaClipThreshold, canvasData.alphaClip);
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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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if (canvasData.alphaClip)
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context.AddField(UnityEditor.ShaderGraph.Fields.AlphaTest);
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}
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public override void CollectShaderProperties(PropertyCollector collector, GenerationMode generationMode)
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{
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base.CollectShaderProperties(collector, generationMode);
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if (canvasData.alphaClip)
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collector.AddShaderProperty(CanvasProperties.AlphaTest);
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}
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}
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}
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