108 lines
3.6 KiB
C#
108 lines
3.6 KiB
C#
using System;
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using System.Text;
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using UnityEditor.Graphing;
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using UnityEngine;
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namespace UnityEditor.ShaderGraph.Internal
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{
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[Serializable]
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[FormerName("UnityEditor.ShaderGraph.TextureShaderProperty")]
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[BlackboardInputInfo(50)]
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public sealed class Texture2DShaderProperty : AbstractShaderProperty<SerializableTexture>
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{
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public enum DefaultType { White, Black, Grey, Bump }
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internal Texture2DShaderProperty()
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{
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displayName = "Texture2D";
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value = new SerializableTexture();
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}
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public override PropertyType propertyType => PropertyType.Texture2D;
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internal override bool isExposable => true;
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internal override bool isRenamable => true;
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internal string modifiableTagString => modifiable ? "" : "[NonModifiableTextureData]";
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internal override string GetPropertyBlockString()
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{
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return $"{hideTagString}{modifiableTagString}[NoScaleOffset]{referenceName}(\"{displayName}\", 2D) = \"{defaultType.ToString().ToLower()}\" {{}}";
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}
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// Texture2D properties cannot be set via Hybrid path at the moment; disallow that choice
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internal override bool AllowHLSLDeclaration(HLSLDeclaration decl) => (decl != HLSLDeclaration.HybridPerInstance) && (decl != HLSLDeclaration.DoNotDeclare);
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internal override void ForeachHLSLProperty(Action<HLSLProperty> action)
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{
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HLSLDeclaration decl = (generatePropertyBlock ? HLSLDeclaration.UnityPerMaterial : HLSLDeclaration.Global);
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action(new HLSLProperty(HLSLType._Texture2D, referenceName, HLSLDeclaration.Global));
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action(new HLSLProperty(HLSLType._SamplerState, "sampler" + referenceName, HLSLDeclaration.Global));
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action(new HLSLProperty(HLSLType._float4, referenceName + "_TexelSize", decl));
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// action(new HLSLProperty(HLSLType._float4, referenceName + "_ST", decl)); // TODO: allow users to make use of the ST values
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}
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internal override string GetPropertyAsArgumentString()
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{
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return "UnityTexture2D " + referenceName;
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}
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internal override string GetPropertyAsArgumentStringForVFX()
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{
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return "TEXTURE2D(" + referenceName + ")";
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}
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internal override string GetHLSLVariableName(bool isSubgraphProperty)
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{
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if (isSubgraphProperty)
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return referenceName;
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else
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return $"UnityBuildTexture2DStructNoScale({referenceName})";
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}
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[SerializeField]
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bool m_Modifiable = true;
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internal bool modifiable
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{
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get => m_Modifiable;
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set => m_Modifiable = value;
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}
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[SerializeField]
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DefaultType m_DefaultType = DefaultType.White;
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public DefaultType defaultType
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{
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get { return m_DefaultType; }
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set { m_DefaultType = value; }
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}
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internal override AbstractMaterialNode ToConcreteNode()
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{
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return new Texture2DAssetNode { texture = value.texture };
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}
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internal override PreviewProperty GetPreviewMaterialProperty()
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{
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return new PreviewProperty(propertyType)
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{
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name = referenceName,
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textureValue = value.texture,
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texture2DDefaultType = defaultType
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};
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}
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internal override ShaderInput Copy()
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{
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return new Texture2DShaderProperty()
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{
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displayName = displayName,
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value = value,
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defaultType = defaultType,
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};
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}
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}
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}
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