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37645 changed files with 2526849 additions and 80 deletions
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using System;
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using System.Collections.Generic;
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#if UNITY_2020_2_OR_NEWER
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using UnityEditor.AssetImporters;
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#else
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using UnityEditor.Experimental.AssetImporters;
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#endif
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using UnityEditor.Graphing;
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using UnityEditor.ShaderGraph.Internal;
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using UnityEditor.ShaderGraph.Serialization;
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using UnityEngine;
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namespace UnityEditor.ShaderGraph
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{
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[Serializable]
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struct FunctionPair
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{
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public string key; // aka function name
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public string value; // aka function code
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public int graphPrecisionFlags; // Flags<GraphPrecision> indicating which precision variants are requested by the subgraph
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public FunctionPair(string key, string value, int graphPrecisionFlags)
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{
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this.key = key;
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this.value = value;
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this.graphPrecisionFlags = graphPrecisionFlags;
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}
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}
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[Serializable]
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class SlotCapability
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{
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public string slotName;
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public ShaderStageCapability capabilities = ShaderStageCapability.All;
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}
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[Serializable]
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class SlotDependencyPair
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{
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public string inputSlotName;
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public string outputSlotName;
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}
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/// Cached run-time information for slot dependency tracking within a sub-graph
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class SlotDependencyInfo
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{
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internal string slotName;
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internal ShaderStageCapability capabilities = ShaderStageCapability.All;
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internal HashSet<string> dependencies = new HashSet<string>();
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internal void AddDepencencySlotName(string slotName)
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{
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dependencies.Add(slotName);
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}
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internal bool ContainsSlot(MaterialSlot slot)
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{
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return dependencies.Contains(slot.RawDisplayName());
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}
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}
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class SubGraphData : JsonObject
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{
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public List<JsonData<AbstractShaderProperty>> inputs = new List<JsonData<AbstractShaderProperty>>();
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public List<JsonData<ShaderKeyword>> keywords = new List<JsonData<ShaderKeyword>>();
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public List<JsonData<ShaderDropdown>> dropdowns = new List<JsonData<ShaderDropdown>>();
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public List<JsonData<AbstractShaderProperty>> nodeProperties = new List<JsonData<AbstractShaderProperty>>();
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public List<JsonData<MaterialSlot>> outputs = new List<JsonData<MaterialSlot>>();
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public List<JsonData<Target>> unsupportedTargets = new List<JsonData<Target>>();
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}
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class SubGraphAsset : ScriptableObject, ISerializationCallbackReceiver
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{
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public bool isValid;
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public long processedAt;
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public string functionName;
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public string inputStructName;
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public string hlslName;
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public string assetGuid;
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public ShaderGraphRequirements requirements;
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public string path;
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public List<FunctionPair> functions = new List<FunctionPair>();
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public IncludeCollection includes;
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public List<string> vtFeedbackVariables = new List<string>();
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private SubGraphData m_SubGraphData;
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[SerializeField]
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private SerializationHelper.JSONSerializedElement m_SerializedSubGraphData;
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public DataValueEnumerable<AbstractShaderProperty> inputs => m_SubGraphData.inputs.SelectValue();
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public DataValueEnumerable<ShaderKeyword> keywords => m_SubGraphData.keywords.SelectValue();
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public DataValueEnumerable<ShaderDropdown> dropdowns => m_SubGraphData.dropdowns.SelectValue();
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public DataValueEnumerable<AbstractShaderProperty> nodeProperties => m_SubGraphData.nodeProperties.SelectValue();
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public DataValueEnumerable<MaterialSlot> outputs => m_SubGraphData.outputs.SelectValue();
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public DataValueEnumerable<Target> unsupportedTargets => m_SubGraphData.unsupportedTargets.SelectValue();
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public List<string> children = new List<string>(); // guids of direct USED SUBGRAPH file dependencies
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public List<string> descendents = new List<string>(); // guids of ALL file dependencies at any level, SHOULD LIST EVEN MISSING DESCENDENTS
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public List<SlotCapability> inputCapabilities = new List<SlotCapability>();
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public List<SlotCapability> outputCapabilities = new List<SlotCapability>();
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// Every unique input/output dependency pair
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public List<SlotDependencyPair> slotDependencies = new List<SlotDependencyPair>();
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Dictionary<string, SlotDependencyInfo> m_InputDependencies = new Dictionary<string, SlotDependencyInfo>();
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Dictionary<string, SlotDependencyInfo> m_OutputDependencies = new Dictionary<string, SlotDependencyInfo>();
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public SlotDependencyInfo GetInputDependencies(string slotName)
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{
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m_InputDependencies.TryGetValue(slotName, out SlotDependencyInfo result);
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return result;
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}
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public SlotDependencyInfo GetOutputDependencies(string slotName)
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{
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m_OutputDependencies.TryGetValue(slotName, out SlotDependencyInfo result);
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return result;
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}
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// this is the precision that the entire subgraph is set to (indicates whether the graph is hard-coded or switchable)
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public GraphPrecision subGraphGraphPrecision;
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// this is the precision of the subgraph outputs
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// NOTE: this may not be the same as subGraphGraphPrecision
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// for example, a graph could allow switching precisions for internal calculations,
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// but the output of the graph is always full float
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// NOTE: we don't currently have a way to select the graph precision for EACH output
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// there's a single shared precision for all of them
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public GraphPrecision outputGraphPrecision;
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public PreviewMode previewMode;
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public void WriteData(IEnumerable<AbstractShaderProperty> inputs, IEnumerable<ShaderKeyword> keywords, IEnumerable<ShaderDropdown> dropdowns, IEnumerable<AbstractShaderProperty> nodeProperties, IEnumerable<MaterialSlot> outputs, IEnumerable<Target> unsupportedTargets)
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{
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if (m_SubGraphData == null)
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{
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m_SubGraphData = new SubGraphData();
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m_SubGraphData.OverrideObjectId(assetGuid, "_subGraphData");
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}
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m_SubGraphData.inputs.Clear();
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m_SubGraphData.keywords.Clear();
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m_SubGraphData.dropdowns.Clear();
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m_SubGraphData.nodeProperties.Clear();
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m_SubGraphData.outputs.Clear();
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m_SubGraphData.unsupportedTargets.Clear();
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foreach (var input in inputs)
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{
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m_SubGraphData.inputs.Add(input);
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}
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foreach (var keyword in keywords)
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{
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m_SubGraphData.keywords.Add(keyword);
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}
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foreach (var dropdown in dropdowns)
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{
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m_SubGraphData.dropdowns.Add(dropdown);
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}
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foreach (var nodeProperty in nodeProperties)
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{
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m_SubGraphData.nodeProperties.Add(nodeProperty);
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}
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foreach (var output in outputs)
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{
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m_SubGraphData.outputs.Add(output);
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}
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foreach (var unsupportedTarget in unsupportedTargets)
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{
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m_SubGraphData.unsupportedTargets.Add(unsupportedTarget);
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}
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var json = MultiJson.Serialize(m_SubGraphData);
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m_SerializedSubGraphData = new SerializationHelper.JSONSerializedElement() { JSONnodeData = json };
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m_SubGraphData = null;
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}
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public void OnBeforeSerialize()
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{
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}
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public void OnAfterDeserialize()
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{
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}
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public void LoadGraphData()
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{
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m_SubGraphData = new SubGraphData();
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if (!String.IsNullOrEmpty(m_SerializedSubGraphData.JSONnodeData))
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{
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MultiJson.Deserialize(m_SubGraphData, m_SerializedSubGraphData.JSONnodeData);
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}
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}
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internal void LoadDependencyData()
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{
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m_InputDependencies.Clear();
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m_OutputDependencies.Clear();
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foreach (var capabilityInfo in inputCapabilities)
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{
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var dependencyInfo = new SlotDependencyInfo();
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dependencyInfo.slotName = capabilityInfo.slotName;
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dependencyInfo.capabilities = capabilityInfo.capabilities;
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if (m_InputDependencies.ContainsKey(dependencyInfo.slotName))
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{
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Debug.LogWarning($"SubGraph '{hlslName}' has multiple input slots named '{dependencyInfo.slotName}', which is unsupported. Please assign the input slots unique names.");
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continue;
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}
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m_InputDependencies.Add(dependencyInfo.slotName, dependencyInfo);
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}
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foreach (var capabilityInfo in outputCapabilities)
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{
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var dependencyInfo = new SlotDependencyInfo();
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dependencyInfo.slotName = capabilityInfo.slotName;
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dependencyInfo.capabilities = capabilityInfo.capabilities;
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if (m_OutputDependencies.ContainsKey(dependencyInfo.slotName))
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{
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Debug.LogWarning($"SubGraph '{hlslName}' has multiple output slots named '{dependencyInfo.slotName}', which is unsupported. Please assign the output slots unique names.");
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continue;
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}
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m_OutputDependencies.Add(dependencyInfo.slotName, dependencyInfo);
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}
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foreach (var slotDependency in slotDependencies)
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{
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// This shouldn't fail since every input/output must be in the above lists...
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if (m_InputDependencies.ContainsKey(slotDependency.inputSlotName))
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m_InputDependencies[slotDependency.inputSlotName].AddDepencencySlotName(slotDependency.outputSlotName);
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if (m_OutputDependencies.ContainsKey(slotDependency.outputSlotName))
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m_OutputDependencies[slotDependency.outputSlotName].AddDepencencySlotName(slotDependency.inputSlotName);
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}
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}
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}
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}
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@ -0,0 +1,11 @@
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fileFormatVersion: 2
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guid: f28ce979dc22145fd8160e458f72f65d
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MonoImporter:
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externalObjects: {}
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serializedVersion: 2
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defaultReferences: []
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executionOrder: 0
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icon: {instanceID: 0}
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userData:
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assetBundleName:
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assetBundleVariant:
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@ -0,0 +1,113 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using UnityEditor.ShaderGraph.Drawing;
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using UnityEngine;
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using UnityEditor.Graphing;
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using UnityEditor.Rendering;
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using UnityEngine.Rendering.ShaderGraph;
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using UnityEngine.UIElements;
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namespace UnityEditor.ShaderGraph
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{
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class SubGraphOutputNode : AbstractMaterialNode
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{
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static string s_MissingOutputSlot = "A Sub Graph must have at least one output slot";
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static List<ConcreteSlotValueType> s_ValidSlotTypes = new List<ConcreteSlotValueType>()
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{
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ConcreteSlotValueType.Vector1,
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ConcreteSlotValueType.Vector2,
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ConcreteSlotValueType.Vector3,
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ConcreteSlotValueType.Vector4,
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ConcreteSlotValueType.Matrix2,
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ConcreteSlotValueType.Matrix3,
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ConcreteSlotValueType.Matrix4,
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ConcreteSlotValueType.Boolean
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};
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public bool IsFirstSlotValid = true;
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public SubGraphOutputNode()
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{
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name = "Output";
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}
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// Link to the Sub Graph overview page instead of the specific Node page, seems more useful
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public override string documentationURL => Documentation.GetPageLink("Sub-graph");
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void ValidateShaderStage()
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{
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List<MaterialSlot> slots = new List<MaterialSlot>();
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GetInputSlots(slots);
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// Reset all input slots back to All, otherwise they'll be incorrectly configured when traversing below
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foreach (MaterialSlot slot in slots)
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slot.stageCapability = ShaderStageCapability.All;
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foreach (var slot in slots)
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{
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slot.stageCapability = NodeUtils.GetEffectiveShaderStageCapability(slot, true);
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}
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}
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void ValidateSlotName()
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{
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List<MaterialSlot> slots = new List<MaterialSlot>();
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GetInputSlots(slots);
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foreach (var slot in slots)
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{
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var error = NodeUtils.ValidateSlotName(slot.RawDisplayName(), out string errorMessage);
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if (error)
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{
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owner.AddValidationError(objectId, errorMessage);
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break;
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}
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}
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}
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void ValidateSlotType()
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{
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List<MaterialSlot> slots = new List<MaterialSlot>();
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GetInputSlots(slots);
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if (!slots.Any())
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{
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owner.AddValidationError(objectId, s_MissingOutputSlot, ShaderCompilerMessageSeverity.Error);
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}
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else if (!s_ValidSlotTypes.Contains(slots.FirstOrDefault().concreteValueType))
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{
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IsFirstSlotValid = false;
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owner.AddValidationError(objectId, "Preview can only compile if the first output slot is a Vector, Matrix, or Boolean type. Please adjust slot types.", ShaderCompilerMessageSeverity.Error);
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}
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}
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public override void ValidateNode()
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{
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base.ValidateNode();
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IsFirstSlotValid = true;
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ValidateSlotType();
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if (IsFirstSlotValid)
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ValidateShaderStage();
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}
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protected override void OnSlotsChanged()
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{
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base.OnSlotsChanged();
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ValidateNode();
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}
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public int AddSlot(ConcreteSlotValueType concreteValueType)
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{
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var index = this.GetInputSlots<MaterialSlot>().Count() + 1;
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var name = NodeUtils.GetDuplicateSafeNameForSlot(this, index, "Out_" + concreteValueType.ToString());
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AddSlot(MaterialSlot.CreateMaterialSlot(concreteValueType.ToSlotValueType(), index, name,
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NodeUtils.GetHLSLSafeName(name), SlotType.Input, Vector4.zero));
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return index;
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}
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public override bool canDeleteNode => false;
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public override bool canCopyNode => false;
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}
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}
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@ -0,0 +1,11 @@
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fileFormatVersion: 2
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guid: ec0207b061e270b4a96a01fbe11c18ca
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MonoImporter:
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externalObjects: {}
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serializedVersion: 2
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defaultReferences: []
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executionOrder: 0
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icon: {instanceID: 0}
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userData:
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assetBundleName:
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assetBundleVariant:
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