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293 行
12 KiB
293 行
12 KiB
using System;
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using System.Collections.Generic;
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using UnityEditor.ShaderGraph;
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using UnityEditor.ShaderGraph.Internal;
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using UnityEngine.Rendering;
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using UnityEngine.Rendering.Universal;
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using UnityEditor.Rendering.Universal;
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using Data.Util;
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namespace UnityEditor.Experimental.Rendering.Universal
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{
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[Serializable]
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[FormerName("UnityEditor.Experimental.Rendering.LWRP.LightWeightSpriteLitSubShader")]
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class UniversalSpriteLitSubShader : ISpriteLitSubShader
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{
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#region Passes
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ShaderPass m_LitPass = new ShaderPass
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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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passInclude = "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/SpriteLitPass.hlsl",
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varyingsInclude = "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/Varyings.hlsl",
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useInPreview = true,
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// Port mask
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vertexPorts = new List<int>()
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{
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SpriteLitMasterNode.PositionSlotId,
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SpriteLitMasterNode.VertNormalSlotId,
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SpriteLitMasterNode.VertTangentSlotId
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},
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pixelPorts = new List<int>
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{
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SpriteLitMasterNode.ColorSlotId,
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SpriteLitMasterNode.MaskSlotId,
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},
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// Required fields
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requiredVaryings = new List<string>()
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{
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"Varyings.color",
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"Varyings.texCoord0",
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"Varyings.screenPosition",
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},
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// Pass setup
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includes = new List<string>()
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{
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"Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl",
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"Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl",
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"Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl",
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"Packages/com.unity.render-pipelines.universal/ShaderLibrary/ShaderGraphFunctions.hlsl",
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"Packages/com.unity.render-pipelines.universal/Shaders/2D/Include/LightingUtility.hlsl",
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},
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pragmas = new List<string>()
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{
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"prefer_hlslcc gles",
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"exclude_renderers d3d11_9x",
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"target 2.0",
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},
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keywords = new KeywordDescriptor[]
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{
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s_ETCExternalAlphaKeyword,
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s_ShapeLightType0Keyword,
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s_ShapeLightType1Keyword,
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s_ShapeLightType2Keyword,
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s_ShapeLightType3Keyword,
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},
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};
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ShaderPass m_NormalPass = new ShaderPass
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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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passInclude = "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/SpriteNormalPass.hlsl",
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varyingsInclude = "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/Varyings.hlsl",
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useInPreview = true,
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// Port mask
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vertexPorts = new List<int>()
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{
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SpriteLitMasterNode.PositionSlotId,
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SpriteLitMasterNode.VertNormalSlotId,
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SpriteLitMasterNode.VertTangentSlotId
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},
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pixelPorts = new List<int>
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{
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SpriteLitMasterNode.ColorSlotId,
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SpriteLitMasterNode.NormalSlotId
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},
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// Required fields
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requiredVaryings = new List<string>()
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{
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"Varyings.normalWS",
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"Varyings.tangentWS",
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"Varyings.bitangentWS",
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},
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// Pass setup
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includes = new List<string>()
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{
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"Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl",
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"Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl",
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"Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl",
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"Packages/com.unity.render-pipelines.universal/ShaderLibrary/ShaderGraphFunctions.hlsl",
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"Packages/com.unity.render-pipelines.universal/Shaders/2D/Include/NormalsRenderingShared.hlsl"
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},
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pragmas = new List<string>()
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{
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"prefer_hlslcc gles",
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"exclude_renderers d3d11_9x",
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"target 2.0",
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},
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};
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ShaderPass m_ForwardPass = new ShaderPass
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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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passInclude = "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/SpriteForwardPass.hlsl",
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varyingsInclude = "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/Varyings.hlsl",
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useInPreview = true,
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// Port mask
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vertexPorts = new List<int>()
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{
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SpriteLitMasterNode.PositionSlotId,
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SpriteLitMasterNode.VertNormalSlotId,
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SpriteLitMasterNode.VertTangentSlotId
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},
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pixelPorts = new List<int>
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{
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SpriteLitMasterNode.ColorSlotId,
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SpriteLitMasterNode.NormalSlotId
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},
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// Required fields
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requiredVaryings = new List<string>()
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{
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"Varyings.color",
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"Varyings.texCoord0",
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},
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// Pass setup
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includes = new List<string>()
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{
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"Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl",
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"Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl",
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"Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl",
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"Packages/com.unity.render-pipelines.universal/ShaderLibrary/ShaderGraphFunctions.hlsl",
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},
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pragmas = new List<string>()
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{
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"prefer_hlslcc gles",
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"exclude_renderers d3d11_9x",
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"target 2.0",
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},
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keywords = new KeywordDescriptor[]
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{
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s_ETCExternalAlphaKeyword,
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},
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};
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#endregion
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#region Keywords
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static KeywordDescriptor s_ETCExternalAlphaKeyword = new KeywordDescriptor()
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{
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displayName = "ETC External Alpha",
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referenceName = "ETC1_EXTERNAL_ALPHA",
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type = KeywordType.Boolean,
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definition = KeywordDefinition.MultiCompile,
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scope = KeywordScope.Global,
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};
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static KeywordDescriptor s_ShapeLightType0Keyword = new KeywordDescriptor()
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{
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displayName = "Shape Light Type 0",
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referenceName = "USE_SHAPE_LIGHT_TYPE_0",
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type = KeywordType.Boolean,
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definition = KeywordDefinition.MultiCompile,
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scope = KeywordScope.Global,
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};
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static KeywordDescriptor s_ShapeLightType1Keyword = new KeywordDescriptor()
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{
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displayName = "Shape Light Type 1",
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referenceName = "USE_SHAPE_LIGHT_TYPE_1",
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type = KeywordType.Boolean,
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definition = KeywordDefinition.MultiCompile,
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scope = KeywordScope.Global,
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};
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static KeywordDescriptor s_ShapeLightType2Keyword = new KeywordDescriptor()
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{
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displayName = "Shape Light Type 2",
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referenceName = "USE_SHAPE_LIGHT_TYPE_2",
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type = KeywordType.Boolean,
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definition = KeywordDefinition.MultiCompile,
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scope = KeywordScope.Global,
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};
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static KeywordDescriptor s_ShapeLightType3Keyword = new KeywordDescriptor()
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{
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displayName = "Shape Light Type 3",
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referenceName = "USE_SHAPE_LIGHT_TYPE_3",
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type = KeywordType.Boolean,
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definition = KeywordDefinition.MultiCompile,
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scope = KeywordScope.Global,
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};
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#endregion
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public int GetPreviewPassIndex() { return 0; }
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private static ActiveFields GetActiveFieldsFromMasterNode(SpriteLitMasterNode masterNode, ShaderPass pass)
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{
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var activeFields = new ActiveFields();
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var baseActiveFields = activeFields.baseInstance;
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// Graph Vertex
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if(masterNode.IsSlotConnected(SpriteLitMasterNode.PositionSlotId) ||
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masterNode.IsSlotConnected(SpriteLitMasterNode.VertNormalSlotId) ||
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masterNode.IsSlotConnected(SpriteLitMasterNode.VertTangentSlotId))
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{
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baseActiveFields.Add("features.graphVertex");
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}
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// Graph Pixel (always enabled)
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baseActiveFields.Add("features.graphPixel");
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baseActiveFields.Add("SurfaceType.Transparent");
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baseActiveFields.Add("BlendMode.Alpha");
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return activeFields;
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}
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private static bool GenerateShaderPass(SpriteLitMasterNode masterNode, ShaderPass pass, GenerationMode mode, ShaderGenerator result, List<string> sourceAssetDependencyPaths)
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{
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UniversalShaderGraphUtilities.SetRenderState(SurfaceType.Transparent, AlphaMode.Alpha, true, ref pass);
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// apply master node options to active fields
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var activeFields = GetActiveFieldsFromMasterNode(masterNode, pass);
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// use standard shader pass generation
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return ShaderGraph.GenerationUtils.GenerateShaderPass(masterNode, pass, mode, activeFields, result, sourceAssetDependencyPaths,
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UniversalShaderGraphResources.s_Dependencies, UniversalShaderGraphResources.s_ResourceClassName, UniversalShaderGraphResources.s_AssemblyName);
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}
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public string GetSubshader(IMasterNode masterNode, GenerationMode mode, List<string> sourceAssetDependencyPaths = null)
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{
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if (sourceAssetDependencyPaths != null)
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{
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// LightWeightSpriteUnlitSubShader.cs
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sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("62511ee827d14492a8c78ba0ef167e7f"));
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}
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// Master Node data
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var litMasterNode = masterNode as SpriteLitMasterNode;
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var subShader = new ShaderGenerator();
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subShader.AddShaderChunk("SubShader", true);
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subShader.AddShaderChunk("{", true);
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subShader.Indent();
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{
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var surfaceTags = ShaderGenerator.BuildMaterialTags(SurfaceType.Transparent);
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var tagsBuilder = new ShaderStringBuilder(0);
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surfaceTags.GetTags(tagsBuilder, "UniversalPipeline");
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subShader.AddShaderChunk(tagsBuilder.ToString());
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GenerateShaderPass(litMasterNode, m_LitPass, mode, subShader, sourceAssetDependencyPaths);
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GenerateShaderPass(litMasterNode, m_NormalPass, mode, subShader, sourceAssetDependencyPaths);
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GenerateShaderPass(litMasterNode, m_ForwardPass, mode, subShader, sourceAssetDependencyPaths);
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}
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subShader.Deindent();
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subShader.AddShaderChunk("}", true);
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return subShader.GetShaderString(0);
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}
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public bool IsPipelineCompatible(RenderPipelineAsset renderPipelineAsset)
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{
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return renderPipelineAsset is UniversalRenderPipelineAsset;
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}
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public UniversalSpriteLitSubShader () { }
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}
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}
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