56 lines
2.1 KiB
C#
56 lines
2.1 KiB
C#
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using UnityEngine;
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using UnityEditor.ShaderGraph;
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using UnityEditor.Graphing;
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using UnityEditor.ShaderGraph.Internal;
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namespace UnityEditor.Rendering.CustomRenderTexture.ShaderGraph
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{
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[Title("Custom Render Texture", "Slice Index / Cubemap Face")]
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[SubTargetFilter(typeof(CustomTextureSubTarget))]
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class CustomTextureSlice : AbstractMaterialNode, IGeneratesFunction
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{
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private const string kOutputSlotCubeFaceName = "Texture Cube Face";
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private const string kOutputSlot3DSliceName = "Texture Depth Slice";
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public const int OutputSlotCubeFaceId = 3;
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public const int OutputSlot3DSliceId = 4;
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public CustomTextureSlice()
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{
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name = "Slice Index / Cubemap Face";
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UpdateNodeAfterDeserialization();
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}
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protected int[] validSlots => new[] { OutputSlotCubeFaceId, OutputSlot3DSliceId };
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public sealed override void UpdateNodeAfterDeserialization()
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{
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AddSlot(new Vector1MaterialSlot(OutputSlotCubeFaceId, kOutputSlotCubeFaceName, kOutputSlotCubeFaceName, SlotType.Output, 0));
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AddSlot(new Vector1MaterialSlot(OutputSlot3DSliceId, kOutputSlot3DSliceName, kOutputSlot3DSliceName, SlotType.Output, 0));
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RemoveSlotsNameNotMatching(validSlots);
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}
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public override string GetVariableNameForSlot(int slotId)
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{
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switch (slotId)
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{
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case OutputSlotCubeFaceId:
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return "_CustomRenderTextureCubeFace";
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default:
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case OutputSlot3DSliceId:
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return "_CustomRenderTexture3DSlice";
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}
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}
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public void GenerateNodeFunction(FunctionRegistry registry, GenerationMode generationMode)
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{
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// For preview only we declare CRT defines
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if (generationMode == GenerationMode.Preview)
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{
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registry.builder.AppendLine("#define _CustomRenderTextureCubeFace 0.0");
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registry.builder.AppendLine("#define _CustomRenderTexture3DSlice 0.0");
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}
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}
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}
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}
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