public string GetSubshader(IMasterNode iMasterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// HDLitSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("bac1a9627cfec924fa2ea9c65af8eeca"));
// HDSubShaderUtilities.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("713ced4e6eef4a44799a4dd59041484b"));
}
var masterNode = iMasterNode as HDLitMasterNode;
var subShader = new ShaderGenerator();
subShader.AddShaderChunk("SubShader", false);
subShader.AddShaderChunk("{", false);
subShader.Indent();
{
//Handle data migration here as we need to have a renderingPass already set with accurate data at this point.
if (masterNode.renderingPass == HDRenderQueue.RenderQueueType.Unknown)
{
switch (masterNode.surfaceType)
{
case SurfaceType.Opaque:
masterNode.renderingPass = HDRenderQueue.RenderQueueType.Opaque;
break;
case SurfaceType.Transparent:
#pragma warning disable CS0618 // Type or member is obsolete
if (masterNode.m_DrawBeforeRefraction)
{
masterNode.m_DrawBeforeRefraction = false;
#pragma warning restore CS0618 // Type or member is obsolete
masterNode.renderingPass = HDRenderQueue.RenderQueueType.PreRefraction;
}
else
{
masterNode.renderingPass = HDRenderQueue.RenderQueueType.Transparent;
}
break;
default:
throw new System.ArgumentException("Unknown SurfaceType");
}
}
HDMaterialTags materialTags = HDSubShaderUtilities.BuildMaterialTags(masterNode.renderingPass, masterNode.sortPriority, masterNode.alphaTest.isOn);
// Add tags at the SubShader level
{
var tagsVisitor = new ShaderStringBuilder();
materialTags.GetTags(tagsVisitor, HDRenderPipeline.k_ShaderTagName);
subShader.AddShaderChunk(tagsVisitor.ToString(), false);
}
// generate the necessary shader passes
bool opaque = (masterNode.surfaceType == SurfaceType.Opaque);
bool transparent = !opaque;
bool distortionActive = transparent && masterNode.distortion.isOn;
bool transparentBackfaceActive = transparent && masterNode.backThenFrontRendering.isOn;
bool transparentDepthPrepassActive = transparent && masterNode.alphaTest.isOn && masterNode.alphaTestDepthPrepass.isOn;
bool transparentDepthPostpassActive = transparent && masterNode.alphaTest.isOn && masterNode.alphaTestDepthPostpass.isOn;
GenerateShaderPassLit(masterNode, m_PassMETA, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassShadowCaster, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_SceneSelectionPass, mode, subShader, sourceAssetDependencyPaths);
if (opaque)
{
GenerateShaderPassLit(masterNode, m_PassDepthOnly, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassGBuffer, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassMotionVectors, mode, subShader, sourceAssetDependencyPaths);
}
if (distortionActive)
{
GenerateShaderPassLit(masterNode, m_PassDistortion, mode, subShader, sourceAssetDependencyPaths);
}
if (transparentBackfaceActive)
{
GenerateShaderPassLit(masterNode, m_PassTransparentBackface, mode, subShader, sourceAssetDependencyPaths);
}
// Assign define here based on opaque or transparent to save some variant
m_PassForward.ExtraDefines = opaque ? HDSubShaderUtilities.s_ExtraDefinesForwardOpaque : HDSubShaderUtilities.s_ExtraDefinesForwardTransparent;
GenerateShaderPassLit(masterNode, m_PassForward, mode, subShader, sourceAssetDependencyPaths);
if (transparentDepthPrepassActive)
{
GenerateShaderPassLit(masterNode, m_PassTransparentDepthPrepass, mode, subShader, sourceAssetDependencyPaths);
}
if (transparentDepthPostpassActive)
{
GenerateShaderPassLit(masterNode, m_PassTransparentDepthPostpass, mode, subShader, sourceAssetDependencyPaths);
}
}
subShader.Deindent();
subShader.AddShaderChunk("}", false);
#if ENABLE_RAYTRACING
if (mode == GenerationMode.ForReals)
{
subShader.AddShaderChunk("SubShader", false);
subShader.AddShaderChunk("{", false);
subShader.Indent();
{
GenerateShaderPassLit(masterNode, m_PassRaytracingIndirect, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassRaytracingVisibility, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassRaytracingForward, mode, subShader, sourceAssetDependencyPaths);
}
subShader.Deindent();
subShader.AddShaderChunk("}", false);
}
#endif
subShader.AddShaderChunk(@"CustomEditor ""UnityEditor.Experimental.Rendering.HDPipeline.HDLitGUI""");
return(subShader.GetShaderString(0));
}
public void SetMasterNode(IMasterNode masterNode)
{
this.masterNode = masterNode;
}
public bool IsValid(IMasterNode masterNode)
{
return(masterNode is VfxMasterNode);
}
public SubShaderDescriptor?GetSubShaderDescriptorFromMasterNode(IMasterNode masterNode)
{
return(null);
}
public string GetSubshader(IMasterNode iMasterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// HDPBRSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("c4e8610eb7ce19747bb637c68acc55cd"));
// HDSubShaderUtilities.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("713ced4e6eef4a44799a4dd59041484b"));
}
var masterNode = iMasterNode as PBRMasterNode;
var subShader = new ShaderGenerator();
subShader.AddShaderChunk("SubShader", true);
subShader.AddShaderChunk("{", true);
subShader.Indent();
{
SurfaceMaterialOptions materialOptions = HDSubShaderUtilities.BuildMaterialOptions(masterNode.surfaceType, masterNode.alphaMode, masterNode.twoSided.isOn);
// Add tags at the SubShader level
{
var tagsVisitor = new ShaderStringBuilder();
materialOptions.GetTags(tagsVisitor);
subShader.AddShaderChunk(tagsVisitor.ToString(), false);
}
// generate the necessary shader passes
bool opaque = (masterNode.surfaceType == SurfaceType.Opaque);
bool transparent = (masterNode.surfaceType != SurfaceType.Opaque);
bool distortionActive = false;
bool transparentDepthPrepassActive = transparent && false;
bool transparentBackfaceActive = transparent && false;
bool transparentDepthPostpassActive = transparent && false;
if (opaque)
{
GenerateShaderPassLit(masterNode, m_PassGBuffer, mode, materialOptions, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassGBufferWithPrepass, mode, materialOptions, subShader, sourceAssetDependencyPaths);
}
GenerateShaderPassLit(masterNode, m_PassMETA, mode, materialOptions, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassShadowCaster, mode, materialOptions, subShader, sourceAssetDependencyPaths);
if (opaque)
{
GenerateShaderPassLit(masterNode, m_PassDepthOnly, mode, materialOptions, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassMotionVectors, mode, materialOptions, subShader, sourceAssetDependencyPaths);
}
if (distortionActive)
{
GenerateShaderPassLit(masterNode, m_PassDistortion, mode, materialOptions, subShader, sourceAssetDependencyPaths);
}
if (transparentDepthPrepassActive)
{
GenerateShaderPassLit(masterNode, m_PassTransparentDepthPrepass, mode, materialOptions, subShader, sourceAssetDependencyPaths);
}
if (transparentBackfaceActive)
{
GenerateShaderPassLit(masterNode, m_PassTransparentBackface, mode, materialOptions, subShader, sourceAssetDependencyPaths);
}
GenerateShaderPassLit(masterNode, m_PassForward, mode, materialOptions, subShader, sourceAssetDependencyPaths);
if (transparentDepthPostpassActive)
{
GenerateShaderPassLit(masterNode, m_PassTransparentDepthPostpass, mode, materialOptions, subShader, sourceAssetDependencyPaths);
}
}
subShader.Deindent();
subShader.AddShaderChunk("}", true);
return(subShader.GetShaderString(0));
}
string ISubShader.GetSubshader(IMasterNode iMasterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths)
{
// this is the format string for building the 'C# qualified assembly type names' for $buildType() commands
// string buildTypeAssemblyNameFormat = "UnityEditor.Rendering.HighDefinition.HDRPShaderStructs+{0}, " + typeof(HDSubShaderUtilities).Assembly.FullName.ToString();
if (sourceAssetDependencyPaths != null)
{
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("5b2d4724a38a5485ba5e7dc2f7d86f1a")); // CustomTextureSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath(customTextureTemplateGUID));
}
string templateLocation = AssetDatabase.GUIDToAssetPath(customTextureTemplateGUID);
string templateCode = File.ReadAllText(templateLocation);
return(GenerateGraph(iMasterNode as CustomTextureMasterNode, templateCode));
// Get the template file
// var templateLocation = ShaderGenerator.GetTemplatePath("CustomTextureSubshader.template");
// if (!File.Exists(templateLocation))
// return string.Empty;
// var subShaderTemplate = File.ReadAllText(templateLocation);
// var masterNode = iMasterNode as CustomTextureMasterNode;
// var subShader = new ShaderGenerator();
// var builder = new ShaderStringBuilder();
// builder.IncreaseIndent();
// builder.IncreaseIndent();
// var surfaceDescriptionFunction = new ShaderGenerator();
// var surfaceDescriptionStruct = new ShaderGenerator();
// var functionRegistry = new FunctionRegistry(builder);
// var shaderProperties = new PropertyCollector();
// var activeNodeList = ListPool<INode>.Get();
// NodeUtils.DepthFirstCollectNodesFromNode(activeNodeList, masterNode, NodeUtils.IncludeSelf.Include);
// var requirements = ShaderGraphRequirements.FromNodes(activeNodeList);
// var slots = new List<MaterialSlot>();
// slots.Add(masterNode.FindSlot<MaterialSlot>(0));
// GraphUtil.GenerateSurfaceDescriptionStruct(surfaceDescriptionStruct, slots, true);
// GraphUtil.GenerateSurfaceDescription(
// activeNodeList,
// masterNode,
// masterNode.owner as AbstractMaterialGraph,
// surfaceDescriptionFunction,
// functionRegistry,
// shaderProperties,
// requirements,
// mode);
// var graph = new ShaderGenerator();
// graph.AddShaderChunk(shaderProperties.GetPropertiesDeclaration(2), false);
// graph.AddShaderChunk(builder.ToString(), false);
// graph.AddShaderChunk(surfaceDescriptionStruct.GetShaderString(2), false);
// graph.AddShaderChunk(surfaceDescriptionFunction.GetShaderString(2), false);
// var tagsVisitor = new ShaderGenerator();
// var blendingVisitor = new ShaderGenerator();
// var cullingVisitor = new ShaderGenerator();
// var zTestVisitor = new ShaderGenerator();
// var zWriteVisitor = new ShaderGenerator();
// var materialOptions = new SurfaceMaterialOptions();
// materialOptions.GetTags(tagsVisitor);
// materialOptions.GetBlend(blendingVisitor);
// materialOptions.GetCull(cullingVisitor);
// materialOptions.GetDepthTest(zTestVisitor);
// materialOptions.GetDepthWrite(zWriteVisitor);
// var localPixelShader = new ShaderGenerator();
// var localSurfaceInputs = new ShaderGenerator();
// var surfaceOutputRemap = new ShaderGenerator();
// foreach (var channel in requirements.requiresMeshUVs.Distinct())
// localSurfaceInputs.AddShaderChunk(string.Format("surfaceInput.{0} = {1};", channel.GetUVName(), string.Format("half4(input.texCoord{0}, 0, 0)", (int)channel)), false);
// // MY CODE
// var properties = new ShaderGenerator();
// properties.AddShaderChunk(shaderProperties.GetPropertiesDeclaration(2), false);
// var thing = new ShaderGenerator();
// thing.AddShaderChunk(surfaceDescriptionFunction.GetShaderString(2), false);
// var subShaderOutput = subShaderTemplate;
// subShaderOutput = subShaderOutput.Replace("${Graph}", graph.GetShaderString(3));
// subShaderOutput = subShaderOutput.Replace("${SurfaceOutputRemap}", surfaceOutputRemap.GetShaderString(3));
// //subShaderOutput = subShaderOutput.Replace("${ShaderPropertyUsages}", "");
// //subShaderOutput = subShaderOutput.Replace("${ShaderFunctions}", "");
// //subShaderOutput = subShaderOutput.Replace("${PixelShaderBody}", localPixelShader.GetShaderString(3));
// //subShaderOutput = subShaderOutput.Replace("${PixelShaderBody}", "return float4(0,1,0,1);");
// //EditorUtility.DisplayDialog("Shader", subShaderOutput, "Close");
// return subShaderOutput;
}
public string GetSubshader(IMasterNode masterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// LightWeightPBRSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("ca91dbeb78daa054c9bbe15fef76361c"));
}
var templatePath = GetTemplatePath("lightweightPBRForwardPass.template");
var extraPassesTemplatePath = GetTemplatePath("lightweightPBRExtraPasses.template");
if (!File.Exists(templatePath) || !File.Exists(extraPassesTemplatePath))
{
return(string.Empty);
}
if (sourceAssetDependencyPaths != null)
{
sourceAssetDependencyPaths.Add(templatePath);
sourceAssetDependencyPaths.Add(extraPassesTemplatePath);
var shaderFiles = Directory.GetFiles(
Path.GetFullPath("Packages/com.unity.render-pipelines.lightweight/ShaderLibrary"));
sourceAssetDependencyPaths.AddRange(shaderFiles);
}
string forwardTemplate = File.ReadAllText(templatePath);
string extraTemplate = File.ReadAllText(extraPassesTemplatePath);
var pbrMasterNode = masterNode as PBRMasterNode;
var pass = pbrMasterNode.model == PBRMasterNode.Model.Metallic ? m_ForwardPassMetallic : m_ForwardPassSpecular;
var subShader = new ShaderStringBuilder();
subShader.AppendLine("SubShader");
using (subShader.BlockScope())
{
subShader.AppendLine("Tags{ \"RenderPipeline\" = \"LightweightPipeline\"}");
var materialTags = ShaderGenerator.BuildMaterialTags(pbrMasterNode.surfaceType);
var tagsBuilder = new ShaderStringBuilder(0);
materialTags.GetTags(tagsBuilder);
subShader.AppendLines(tagsBuilder.ToString());
var materialOptions = ShaderGenerator.GetMaterialOptions(pbrMasterNode.surfaceType, pbrMasterNode.alphaMode, pbrMasterNode.twoSided.isOn);
subShader.AppendLines(GetShaderPassFromTemplate(
forwardTemplate,
pbrMasterNode,
pass,
mode,
materialOptions));
subShader.AppendLines(GetShaderPassFromTemplate(
extraTemplate,
pbrMasterNode,
m_DepthShadowPass,
mode,
materialOptions));
}
subShader.Append("CustomEditor \"UnityEditor.ShaderGraph.PBRMasterGUI\"");
return(subShader.ToString());
}
public override bool IsValid(IMasterNode masterNode)
{
// Currently we infer the validity based on SubTarget mapping
return(s_SubTargetMap.TryGetValue(masterNode.GetType(), out _));
}
public string GetSubshader(IMasterNode iMasterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// HDUnlitSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("1c44ec077faa54145a89357de68e5d26"));
// HDSubShaderUtilities.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("713ced4e6eef4a44799a4dd59041484b"));
}
var masterNode = iMasterNode as HDUnlitMasterNode;
var subShader = new ShaderGenerator();
subShader.AddShaderChunk("SubShader", true);
subShader.AddShaderChunk("{", true);
subShader.Indent();
{
// Add tags at the SubShader level
int queue = HDRenderQueue.ChangeType(masterNode.renderingPass, masterNode.sortPriority, masterNode.alphaTest.isOn);
HDSubShaderUtilities.AddTags(subShader, HDRenderPipeline.k_ShaderTagName, HDRenderTypeTags.HDUnlitShader, queue);
// For preview only we generate the passes that are enabled
bool opaque = (masterNode.surfaceType == SurfaceType.Opaque);
bool transparent = !opaque;
bool distortionActive = transparent && masterNode.distortion.isOn;
GenerateShaderPassUnlit(masterNode, m_PassShadowCaster, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassUnlit(masterNode, m_PassMETA, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassUnlit(masterNode, m_SceneSelectionPass, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassUnlit(masterNode, m_PassDepthForwardOnly, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassUnlit(masterNode, m_PassMotionVectors, mode, subShader, sourceAssetDependencyPaths);
if (distortionActive)
{
GenerateShaderPassUnlit(masterNode, m_PassDistortion, mode, subShader, sourceAssetDependencyPaths);
}
GenerateShaderPassUnlit(masterNode, m_PassForwardOnly, mode, subShader, sourceAssetDependencyPaths);
}
subShader.Deindent();
subShader.AddShaderChunk("}", false);
#if ENABLE_RAYTRACING
if (mode == GenerationMode.ForReals)
{
subShader.AddShaderChunk("SubShader", false);
subShader.AddShaderChunk("{", false);
subShader.Indent();
{
GenerateShaderPassUnlit(masterNode, m_PassRaytracingIndirect, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassUnlit(masterNode, m_PassRaytracingVisibility, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassUnlit(masterNode, m_PassRaytracingForward, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassUnlit(masterNode, m_PassRaytracingGBuffer, mode, subShader, sourceAssetDependencyPaths);
}
subShader.Deindent();
subShader.AddShaderChunk("}", false);
}
#endif
subShader.AddShaderChunk(@"CustomEditor ""UnityEditor.Rendering.HighDefinition.HDUnlitGUI""");
return(subShader.GetShaderString(0));
}
public override bool IsValid(IMasterNode masterNode)
{
return(false);
}
public abstract bool IsValid(IMasterNode masterNode);
public bool IsValid(IMasterNode masterNode)
{
return(false);
}
public string GetSubshader(IMasterNode iMasterNode, GenerationMode mode)
{
var masterNode = iMasterNode as PBRMasterNode;
var subShader = new ShaderGenerator();
subShader.AddShaderChunk("SubShader", true);
subShader.AddShaderChunk("{", true);
subShader.Indent();
{
SurfaceMaterialOptions materialOptions = HDSubShaderUtilities.BuildMaterialOptions(masterNode.surfaceType, masterNode.alphaMode, masterNode.twoSided.isOn);
// Add tags at the SubShader level
{
var tagsVisitor = new ShaderStringBuilder();
materialOptions.GetTags(tagsVisitor);
subShader.AddShaderChunk(tagsVisitor.ToString(), false);
}
// generate the necessary shader passes
bool opaque = (masterNode.surfaceType == SurfaceType.Opaque);
bool transparent = (masterNode.surfaceType != SurfaceType.Opaque);
bool distortionActive = false;
bool transparentDepthPrepassActive = transparent && false;
bool transparentBackfaceActive = transparent && false;
bool transparentDepthPostpassActive = transparent && false;
if (opaque)
{
GenerateShaderPass(masterNode, m_PassGBuffer, mode, materialOptions, subShader);
GenerateShaderPass(masterNode, m_PassGBufferWithPrepass, mode, materialOptions, subShader);
}
GenerateShaderPass(masterNode, m_PassMETA, mode, materialOptions, subShader);
GenerateShaderPass(masterNode, m_PassShadowCaster, mode, materialOptions, subShader);
if (opaque)
{
GenerateShaderPass(masterNode, m_PassDepthOnly, mode, materialOptions, subShader);
GenerateShaderPass(masterNode, m_PassMotionVectors, mode, materialOptions, subShader);
}
if (distortionActive)
{
GenerateShaderPass(masterNode, m_PassDistortion, mode, materialOptions, subShader);
}
if (transparentDepthPrepassActive)
{
GenerateShaderPass(masterNode, m_PassTransparentDepthPrepass, mode, materialOptions, subShader);
}
if (transparentBackfaceActive)
{
GenerateShaderPass(masterNode, m_PassTransparentBackface, mode, materialOptions, subShader);
}
GenerateShaderPass(masterNode, m_PassForward, mode, materialOptions, subShader);
if (transparentDepthPostpassActive)
{
GenerateShaderPass(masterNode, m_PassTransparentDepthPostpass, mode, materialOptions, subShader);
}
}
subShader.Deindent();
subShader.AddShaderChunk("}", true);
return(subShader.GetShaderString(0));
}
static string GetShaderPassFromTemplate(string template, IMasterNode iMasterNode, Pass pass, GenerationMode mode, SurfaceMaterialOptions materialOptions)
{
// ----------------------------------------------------- //
// SETUP //
// ----------------------------------------------------- //
AbstractMaterialNode masterNode = iMasterNode as AbstractMaterialNode;
// -------------------------------------
// String builders
var shaderProperties = new PropertyCollector();
var shaderKeywords = new KeywordCollector();
var shaderPropertyUniforms = new ShaderStringBuilder(1);
var shaderKeywordDeclarations = new ShaderStringBuilder(1);
var functionBuilder = new ShaderStringBuilder(1);
var functionRegistry = new FunctionRegistry(functionBuilder);
var defines = new ShaderStringBuilder(1);
var graph = new ShaderStringBuilder(0);
var vertexDescriptionInputStruct = new ShaderStringBuilder(1);
var vertexDescriptionStruct = new ShaderStringBuilder(1);
var vertexDescriptionFunction = new ShaderStringBuilder(1);
var surfaceDescriptionInputStruct = new ShaderStringBuilder(1);
var surfaceDescriptionStruct = new ShaderStringBuilder(1);
var surfaceDescriptionFunction = new ShaderStringBuilder(1);
var vertexInputStruct = new ShaderStringBuilder(1);
var vertexOutputStruct = new ShaderStringBuilder(2);
var vertexShader = new ShaderStringBuilder(2);
var vertexShaderDescriptionInputs = new ShaderStringBuilder(2);
var vertexShaderOutputs = new ShaderStringBuilder(2);
var pixelShader = new ShaderStringBuilder(2);
var pixelShaderSurfaceInputs = new ShaderStringBuilder(2);
var pixelShaderSurfaceRemap = new ShaderStringBuilder(2);
// -------------------------------------
// Get Slot and Node lists per stage
var vertexSlots = pass.VertexShaderSlots.Select(masterNode.FindSlot <MaterialSlot>).ToList();
var vertexNodes = ListPool <AbstractMaterialNode> .Get();
NodeUtils.DepthFirstCollectNodesFromNode(vertexNodes, masterNode, NodeUtils.IncludeSelf.Include, pass.VertexShaderSlots);
var pixelSlots = pass.PixelShaderSlots.Select(masterNode.FindSlot <MaterialSlot>).ToList();
var pixelNodes = ListPool <AbstractMaterialNode> .Get();
NodeUtils.DepthFirstCollectNodesFromNode(pixelNodes, masterNode, NodeUtils.IncludeSelf.Include, pass.PixelShaderSlots);
// -------------------------------------
// Get Requirements
var vertexRequirements = ShaderGraphRequirements.FromNodes(vertexNodes, ShaderStageCapability.Vertex, false);
var pixelRequirements = ShaderGraphRequirements.FromNodes(pixelNodes, ShaderStageCapability.Fragment);
var graphRequirements = pixelRequirements.Union(vertexRequirements);
var surfaceRequirements = ShaderGraphRequirements.FromNodes(pixelNodes, ShaderStageCapability.Fragment, false);
var modelRequirements = pass.Requirements;
// ----------------------------------------------------- //
// START SHADER GENERATION //
// ----------------------------------------------------- //
// -------------------------------------
// Calculate material options
var blendingBuilder = new ShaderStringBuilder(1);
var cullingBuilder = new ShaderStringBuilder(1);
var zTestBuilder = new ShaderStringBuilder(1);
var zWriteBuilder = new ShaderStringBuilder(1);
materialOptions.GetBlend(blendingBuilder);
materialOptions.GetCull(cullingBuilder);
materialOptions.GetDepthTest(zTestBuilder);
materialOptions.GetDepthWrite(zWriteBuilder);
// -------------------------------------
// Generate defines
pass.OnGeneratePass(iMasterNode, graphRequirements);
foreach (string define in pass.ExtraDefines)
{
defines.AppendLine(define);
}
// ----------------------------------------------------- //
// KEYWORDS //
// ----------------------------------------------------- //
// -------------------------------------
// Get keyword permutations
masterNode.owner.CollectShaderKeywords(shaderKeywords, mode);
// Track permutation indices for all nodes
List <int>[] keywordPermutationsPerVertexNode = new List <int> [vertexNodes.Count];
List <int>[] keywordPermutationsPerPixelNode = new List <int> [pixelNodes.Count];
// -------------------------------------
// Evaluate all permutations
for (int i = 0; i < shaderKeywords.permutations.Count; i++)
{
// Get active nodes for this permutation
var localVertexNodes = ListPool <AbstractMaterialNode> .Get();
var localPixelNodes = ListPool <AbstractMaterialNode> .Get();
NodeUtils.DepthFirstCollectNodesFromNode(localVertexNodes, masterNode, NodeUtils.IncludeSelf.Include, pass.VertexShaderSlots, shaderKeywords.permutations[i]);
NodeUtils.DepthFirstCollectNodesFromNode(localPixelNodes, masterNode, NodeUtils.IncludeSelf.Include, pass.PixelShaderSlots, shaderKeywords.permutations[i]);
// Track each vertex node in this permutation
foreach (AbstractMaterialNode vertexNode in localVertexNodes)
{
int nodeIndex = vertexNodes.IndexOf(vertexNode);
if (keywordPermutationsPerVertexNode[nodeIndex] == null)
{
keywordPermutationsPerVertexNode[nodeIndex] = new List <int>();
}
keywordPermutationsPerVertexNode[nodeIndex].Add(i);
}
// Track each pixel node in this permutation
foreach (AbstractMaterialNode pixelNode in localPixelNodes)
{
int nodeIndex = pixelNodes.IndexOf(pixelNode);
if (keywordPermutationsPerPixelNode[nodeIndex] == null)
{
keywordPermutationsPerPixelNode[nodeIndex] = new List <int>();
}
keywordPermutationsPerPixelNode[nodeIndex].Add(i);
}
}
// ----------------------------------------------------- //
// START VERTEX DESCRIPTION //
// ----------------------------------------------------- //
// -------------------------------------
// Generate Input structure for Vertex Description function
// TODO - Vertex Description Input requirements are needed to exclude intermediate translation spaces
vertexDescriptionInputStruct.AppendLine("struct VertexDescriptionInputs");
using (vertexDescriptionInputStruct.BlockSemicolonScope())
{
ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(vertexRequirements.requiresNormal, InterpolatorType.Normal, vertexDescriptionInputStruct);
ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(vertexRequirements.requiresTangent, InterpolatorType.Tangent, vertexDescriptionInputStruct);
ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(vertexRequirements.requiresBitangent, InterpolatorType.BiTangent, vertexDescriptionInputStruct);
ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(vertexRequirements.requiresViewDir, InterpolatorType.ViewDirection, vertexDescriptionInputStruct);
ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(vertexRequirements.requiresPosition, InterpolatorType.Position, vertexDescriptionInputStruct);
if (vertexRequirements.requiresVertexColor)
{
vertexDescriptionInputStruct.AppendLine("float4 {0};", ShaderGeneratorNames.VertexColor);
}
if (vertexRequirements.requiresScreenPosition)
{
vertexDescriptionInputStruct.AppendLine("float4 {0};", ShaderGeneratorNames.ScreenPosition);
}
foreach (var channel in vertexRequirements.requiresMeshUVs.Distinct())
{
vertexDescriptionInputStruct.AppendLine("half4 {0};", channel.GetUVName());
}
if (vertexRequirements.requiresTime)
{
vertexDescriptionInputStruct.AppendLine("float3 {0};", ShaderGeneratorNames.TimeParameters);
}
}
// -------------------------------------
// Generate Output structure for Vertex Description function
GraphUtil.GenerateVertexDescriptionStruct(vertexDescriptionStruct, vertexSlots);
// -------------------------------------
// Generate Vertex Description function
GraphUtil.GenerateVertexDescriptionFunction(
masterNode.owner as GraphData,
vertexDescriptionFunction,
functionRegistry,
shaderProperties,
shaderKeywords,
mode,
masterNode,
vertexNodes,
keywordPermutationsPerVertexNode,
vertexSlots);
// ----------------------------------------------------- //
// START SURFACE DESCRIPTION //
// ----------------------------------------------------- //
// -------------------------------------
// Generate Input structure for Surface Description function
// Surface Description Input requirements are needed to exclude intermediate translation spaces
surfaceDescriptionInputStruct.AppendLine("struct SurfaceDescriptionInputs");
using (surfaceDescriptionInputStruct.BlockSemicolonScope())
{
ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(surfaceRequirements.requiresNormal, InterpolatorType.Normal, surfaceDescriptionInputStruct);
ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(surfaceRequirements.requiresTangent, InterpolatorType.Tangent, surfaceDescriptionInputStruct);
ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(surfaceRequirements.requiresBitangent, InterpolatorType.BiTangent, surfaceDescriptionInputStruct);
ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(surfaceRequirements.requiresViewDir, InterpolatorType.ViewDirection, surfaceDescriptionInputStruct);
ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(surfaceRequirements.requiresPosition, InterpolatorType.Position, surfaceDescriptionInputStruct);
if (surfaceRequirements.requiresVertexColor)
{
surfaceDescriptionInputStruct.AppendLine("float4 {0};", ShaderGeneratorNames.VertexColor);
}
if (surfaceRequirements.requiresScreenPosition)
{
surfaceDescriptionInputStruct.AppendLine("float4 {0};", ShaderGeneratorNames.ScreenPosition);
}
if (surfaceRequirements.requiresFaceSign)
{
surfaceDescriptionInputStruct.AppendLine("float {0};", ShaderGeneratorNames.FaceSign);
}
foreach (var channel in surfaceRequirements.requiresMeshUVs.Distinct())
{
surfaceDescriptionInputStruct.AppendLine("half4 {0};", channel.GetUVName());
}
if (surfaceRequirements.requiresTime)
{
surfaceDescriptionInputStruct.AppendLine("float3 {0};", ShaderGeneratorNames.TimeParameters);
}
}
// -------------------------------------
// Generate Output structure for Surface Description function
GraphUtil.GenerateSurfaceDescriptionStruct(surfaceDescriptionStruct, pixelSlots);
// -------------------------------------
// Generate Surface Description function
GraphUtil.GenerateSurfaceDescriptionFunction(
pixelNodes,
keywordPermutationsPerPixelNode,
masterNode,
masterNode.owner as GraphData,
surfaceDescriptionFunction,
functionRegistry,
shaderProperties,
shaderKeywords,
mode,
"PopulateSurfaceData",
"SurfaceDescription",
null,
pixelSlots);
// ----------------------------------------------------- //
// GENERATE VERTEX > PIXEL PIPELINE //
// ----------------------------------------------------- //
// -------------------------------------
// Keyword declarations
shaderKeywords.GetKeywordsDeclaration(shaderKeywordDeclarations, mode);
// -------------------------------------
// Property uniforms
shaderProperties.GetPropertiesDeclaration(shaderPropertyUniforms, mode, masterNode.owner.concretePrecision);
// -------------------------------------
// Generate Input structure for Vertex shader
GraphUtil.GenerateApplicationVertexInputs(vertexRequirements.Union(pixelRequirements.Union(modelRequirements)), vertexInputStruct);
// -------------------------------------
// Generate standard transformations
// This method ensures all required transform data is available in vertex and pixel stages
ShaderGenerator.GenerateStandardTransforms(
3,
10,
vertexOutputStruct,
vertexShader,
vertexShaderDescriptionInputs,
vertexShaderOutputs,
pixelShader,
pixelShaderSurfaceInputs,
pixelRequirements,
surfaceRequirements,
modelRequirements,
vertexRequirements,
CoordinateSpace.World);
// -------------------------------------
// Generate pixel shader surface remap
foreach (var slot in pixelSlots)
{
pixelShaderSurfaceRemap.AppendLine("{0} = surf.{0};", slot.shaderOutputName);
}
// -------------------------------------
// Extra pixel shader work
var faceSign = new ShaderStringBuilder();
if (pixelRequirements.requiresFaceSign)
{
faceSign.AppendLine(", half FaceSign : VFACE");
}
// ----------------------------------------------------- //
// FINALIZE //
// ----------------------------------------------------- //
// -------------------------------------
// Combine Graph sections
graph.AppendLines(shaderKeywordDeclarations.ToString());
graph.AppendLines(shaderPropertyUniforms.ToString());
graph.AppendLine(vertexDescriptionInputStruct.ToString());
graph.AppendLine(surfaceDescriptionInputStruct.ToString());
graph.AppendLine(functionBuilder.ToString());
graph.AppendLine(vertexDescriptionStruct.ToString());
graph.AppendLine(vertexDescriptionFunction.ToString());
graph.AppendLine(surfaceDescriptionStruct.ToString());
graph.AppendLine(surfaceDescriptionFunction.ToString());
graph.AppendLine(vertexInputStruct.ToString());
// -------------------------------------
// Generate final subshader
var resultPass = template.Replace("${Tags}", string.Empty);
resultPass = resultPass.Replace("${Blending}", blendingBuilder.ToString());
resultPass = resultPass.Replace("${Culling}", cullingBuilder.ToString());
resultPass = resultPass.Replace("${ZTest}", zTestBuilder.ToString());
resultPass = resultPass.Replace("${ZWrite}", zWriteBuilder.ToString());
resultPass = resultPass.Replace("${Defines}", defines.ToString());
resultPass = resultPass.Replace("${Graph}", graph.ToString());
resultPass = resultPass.Replace("${VertexOutputStruct}", vertexOutputStruct.ToString());
resultPass = resultPass.Replace("${VertexShader}", vertexShader.ToString());
resultPass = resultPass.Replace("${VertexShaderDescriptionInputs}", vertexShaderDescriptionInputs.ToString());
resultPass = resultPass.Replace("${VertexShaderOutputs}", vertexShaderOutputs.ToString());
resultPass = resultPass.Replace("${FaceSign}", faceSign.ToString());
resultPass = resultPass.Replace("${PixelShader}", pixelShader.ToString());
resultPass = resultPass.Replace("${PixelShaderSurfaceInputs}", pixelShaderSurfaceInputs.ToString());
resultPass = resultPass.Replace("${PixelShaderSurfaceRemap}", pixelShaderSurfaceRemap.ToString());
return(resultPass);
}
public string GetSubshader(IMasterNode iMasterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// HairSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("c3f20efb64673e0488a2c8e986a453fa"));
// HDSubShaderUtilities.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("713ced4e6eef4a44799a4dd59041484b"));
}
var masterNode = iMasterNode as HairMasterNode;
var subShader = new ShaderGenerator();
subShader.AddShaderChunk("SubShader", true);
subShader.AddShaderChunk("{", true);
subShader.Indent();
{
SurfaceMaterialTags materialTags = HDSubShaderUtilities.BuildMaterialTags(masterNode.surfaceType, masterNode.alphaTest.isOn, false, masterNode.sortPriority);
// Add tags at the SubShader level
{
var tagsVisitor = new ShaderStringBuilder();
materialTags.GetTags(tagsVisitor);
subShader.AddShaderChunk(tagsVisitor.ToString(), false);
}
// generate the necessary shader passes
bool opaque = (masterNode.surfaceType == SurfaceType.Opaque);
bool transparent = !opaque;
bool transparentBackfaceActive = transparent && masterNode.backThenFrontRendering.isOn;
bool transparentDepthPrepassActive = transparent && masterNode.alphaTest.isOn && masterNode.alphaTestDepthPrepass.isOn;
bool transparentDepthPostpassActive = transparent && masterNode.alphaTest.isOn && masterNode.alphaTestDepthPostpass.isOn;
GenerateShaderPassHair(masterNode, m_PassMETA, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassHair(masterNode, m_PassShadowCaster, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassHair(masterNode, m_SceneSelectionPass, mode, subShader, sourceAssetDependencyPaths);
if (opaque)
{
GenerateShaderPassHair(masterNode, m_PassDepthForwardOnly, mode, subShader, sourceAssetDependencyPaths);
}
GenerateShaderPassHair(masterNode, m_PassMotionVectors, mode, subShader, sourceAssetDependencyPaths);
if (transparentBackfaceActive)
{
GenerateShaderPassHair(masterNode, m_PassTransparentBackface, mode, subShader, sourceAssetDependencyPaths);
}
if (transparentDepthPrepassActive)
{
GenerateShaderPassHair(masterNode, m_PassTransparentDepthPrepass, mode, subShader, sourceAssetDependencyPaths);
}
GenerateShaderPassHair(masterNode, m_PassForwardOnly, mode, subShader, sourceAssetDependencyPaths);
if (transparentDepthPostpassActive)
{
GenerateShaderPassHair(masterNode, m_PassTransparentDepthPostpass, mode, subShader, sourceAssetDependencyPaths);
}
}
subShader.Deindent();
subShader.AddShaderChunk("}", true);
subShader.AddShaderChunk(@"CustomEditor ""UnityEditor.Experimental.Rendering.HDPipeline.HairGUI""");
return(subShader.GetShaderString(0));
}
public string GetSubshader(IMasterNode iMasterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// HDUnlitSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("1c44ec077faa54145a89357de68e5d26"));
// HDSubShaderUtilities.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("713ced4e6eef4a44799a4dd59041484b"));
}
var masterNode = iMasterNode as HDUnlitMasterNode;
var subShader = new ShaderGenerator();
subShader.AddShaderChunk("SubShader", true);
subShader.AddShaderChunk("{", true);
subShader.Indent();
{
//Handle data migration here as we need to have a renderingPass already set with accurate data at this point.
if (masterNode.renderingPass == HDRenderQueue.RenderQueueType.Unknown)
{
switch (masterNode.surfaceType)
{
case SurfaceType.Opaque:
masterNode.renderingPass = HDRenderQueue.RenderQueueType.Opaque;
break;
case SurfaceType.Transparent:
#pragma warning disable CS0618 // Type or member is obsolete
if (masterNode.m_DrawBeforeRefraction)
{
masterNode.m_DrawBeforeRefraction = false;
#pragma warning restore CS0618 // Type or member is obsolete
masterNode.renderingPass = HDRenderQueue.RenderQueueType.PreRefraction;
}
else
{
masterNode.renderingPass = HDRenderQueue.RenderQueueType.Transparent;
}
break;
default:
throw new System.ArgumentException("Unknown SurfaceType");
}
}
HDMaterialTags materialTags = HDSubShaderUtilities.BuildMaterialTags(masterNode.renderingPass, masterNode.sortPriority, masterNode.alphaTest.isOn, HDMaterialTags.RenderType.HDUnlitShader);
// Add tags at the SubShader level
{
var tagsVisitor = new ShaderStringBuilder();
materialTags.GetTags(tagsVisitor, HDRenderPipeline.k_ShaderTagName);
subShader.AddShaderChunk(tagsVisitor.ToString(), false);
}
// generate the necessary shader passes
bool opaque = (masterNode.surfaceType == SurfaceType.Opaque);
bool transparent = !opaque;
bool distortionActive = transparent && masterNode.distortion.isOn;
GenerateShaderPassLit(masterNode, m_PassMETA, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassShadowCaster, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_SceneSelectionPass, mode, subShader, sourceAssetDependencyPaths);
if (opaque)
{
GenerateShaderPassLit(masterNode, m_PassDepthForwardOnly, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassMotionVectors, mode, subShader, sourceAssetDependencyPaths);
}
if (distortionActive)
{
GenerateShaderPassLit(masterNode, m_PassDistortion, mode, subShader, sourceAssetDependencyPaths);
}
GenerateShaderPassLit(masterNode, m_PassForwardOnly, mode, subShader, sourceAssetDependencyPaths);
}
subShader.Deindent();
subShader.AddShaderChunk("}", true);
subShader.AddShaderChunk(@"CustomEditor ""UnityEditor.Experimental.Rendering.HDPipeline.HDUnlitGUI""");
return(subShader.GetShaderString(0));
}
public string GetSubshader(IMasterNode iMasterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// FabricSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("059cc3132f0336e40886300f3d2d7f12"));
// HDSubShaderUtilities.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("713ced4e6eef4a44799a4dd59041484b"));
}
var masterNode = iMasterNode as FabricMasterNode;
var subShader = new ShaderGenerator();
subShader.AddShaderChunk("SubShader", true);
subShader.AddShaderChunk("{", true);
subShader.Indent();
{
// generate the necessary shader passes
bool opaque = (masterNode.surfaceType == SurfaceType.Opaque);
bool transparent = !opaque;
// Add tags at the SubShader level
var renderingPass = masterNode.surfaceType == SurfaceType.Opaque ? HDRenderQueue.RenderQueueType.Opaque : HDRenderQueue.RenderQueueType.Transparent;
int queue = HDRenderQueue.ChangeType(renderingPass, masterNode.sortPriority, masterNode.alphaTest.isOn);
HDSubShaderUtilities.AddTags(subShader, HDRenderPipeline.k_ShaderTagName, HDRenderTypeTags.HDLitShader, queue);
GenerateShaderPassLit(masterNode, m_PassShadowCaster, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassMETA, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_SceneSelectionPass, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassDepthForwardOnly, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassMotionVectors, mode, subShader, sourceAssetDependencyPaths);
// Assign define here based on opaque or transparent to save some variant
m_PassForwardOnly.ExtraDefines = opaque ? HDSubShaderUtilities.s_ExtraDefinesForwardOpaque : HDSubShaderUtilities.s_ExtraDefinesForwardTransparent;
GenerateShaderPassLit(masterNode, m_PassForwardOnly, mode, subShader, sourceAssetDependencyPaths);
}
subShader.Deindent();
subShader.AddShaderChunk("}", true);
if (mode == GenerationMode.ForReals)
{
subShader.AddShaderChunk("SubShader", false);
subShader.AddShaderChunk("{", false);
subShader.Indent();
HDSubShaderUtilities.AddTags(subShader, HDRenderPipeline.k_ShaderTagName);
{
GenerateShaderPassLit(masterNode, m_PassRaytracingIndirect, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassRaytracingVisibility, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassRaytracingForward, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassRaytracingGBuffer, mode, subShader, sourceAssetDependencyPaths);
}
subShader.Deindent();
subShader.AddShaderChunk("}", false);
}
subShader.AddShaderChunk(@"CustomEditor ""UnityEditor.Rendering.HighDefinition.FabricGUI""");
return(subShader.GetShaderString(0));
}
public string GetSubshader(IMasterNode iMasterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// HDLitSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("bac1a9627cfec924fa2ea9c65af8eeca"));
// HDSubShaderUtilities.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("713ced4e6eef4a44799a4dd59041484b"));
}
var masterNode = iMasterNode as HDLitMasterNode;
var subShader = new ShaderGenerator();
subShader.AddShaderChunk("SubShader", true);
subShader.AddShaderChunk("{", true);
subShader.Indent();
{
SurfaceMaterialTags materialTags = HDSubShaderUtilities.BuildMaterialTags(masterNode.surfaceType, masterNode.alphaTest.isOn, masterNode.drawBeforeRefraction.isOn, masterNode.sortPriority);
// Add tags at the SubShader level
{
var tagsVisitor = new ShaderStringBuilder();
materialTags.GetTags(tagsVisitor);
subShader.AddShaderChunk(tagsVisitor.ToString(), false);
}
// generate the necessary shader passes
bool opaque = (masterNode.surfaceType == SurfaceType.Opaque);
bool transparent = !opaque;
bool distortionActive = transparent && masterNode.distortion.isOn;
bool transparentBackfaceActive = transparent && masterNode.backThenFrontRendering.isOn;
bool transparentDepthPrepassActive = transparent && masterNode.alphaTest.isOn && masterNode.alphaTestDepthPrepass.isOn;
bool transparentDepthPostpassActive = transparent && masterNode.alphaTest.isOn && masterNode.alphaTestDepthPostpass.isOn;
GenerateShaderPassLit(masterNode, m_PassGBuffer, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassMETA, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_PassShadowCaster, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassLit(masterNode, m_SceneSelectionPass, mode, subShader, sourceAssetDependencyPaths);
if (opaque)
{
GenerateShaderPassLit(masterNode, m_PassDepthOnly, mode, subShader, sourceAssetDependencyPaths);
}
GenerateShaderPassLit(masterNode, m_PassMotionVectors, mode, subShader, sourceAssetDependencyPaths);
if (distortionActive)
{
GenerateShaderPassLit(masterNode, m_PassDistortion, mode, subShader, sourceAssetDependencyPaths);
}
if (transparentBackfaceActive)
{
GenerateShaderPassLit(masterNode, m_PassTransparentBackface, mode, subShader, sourceAssetDependencyPaths);
}
GenerateShaderPassLit(masterNode, m_PassForward, mode, subShader, sourceAssetDependencyPaths);
if (transparentDepthPrepassActive)
{
GenerateShaderPassLit(masterNode, m_PassTransparentDepthPrepass, mode, subShader, sourceAssetDependencyPaths);
}
if (transparentDepthPostpassActive)
{
GenerateShaderPassLit(masterNode, m_PassTransparentDepthPostpass, mode, subShader, sourceAssetDependencyPaths);
}
}
subShader.Deindent();
subShader.AddShaderChunk("}", true);
subShader.AddShaderChunk(@"CustomEditor ""UnityEditor.ShaderGraph.HDLitGUI""");
return(subShader.GetShaderString(0));
}
public bool IsValid(IMasterNode masterNode)
{
return(GetSubShaderDescriptorFromMasterNode(masterNode) != null);
}
public string GetSubshader(IMasterNode iMasterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// HairSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("c3f20efb64673e0488a2c8e986a453fa"));
// HDSubShaderUtilities.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("713ced4e6eef4a44799a4dd59041484b"));
}
var masterNode = iMasterNode as HairMasterNode;
var subShader = new ShaderGenerator();
subShader.AddShaderChunk("SubShader", true);
subShader.AddShaderChunk("{", true);
subShader.Indent();
{
// Add tags at the SubShader level
var renderingPass = masterNode.surfaceType == SurfaceType.Opaque ? HDRenderQueue.RenderQueueType.Opaque : HDRenderQueue.RenderQueueType.Transparent;
int queue = HDRenderQueue.ChangeType(renderingPass, masterNode.sortPriority, masterNode.alphaTest.isOn);
HDSubShaderUtilities.AddTags(subShader, HDRenderPipeline.k_ShaderTagName, HDRenderTypeTags.HDLitShader, queue);
// generate the necessary shader passes
bool opaque = (masterNode.surfaceType == SurfaceType.Opaque);
bool transparent = !opaque;
bool transparentBackfaceActive = transparent && masterNode.backThenFrontRendering.isOn;
bool transparentDepthPrepassActive = transparent && masterNode.alphaTest.isOn && masterNode.alphaTestDepthPrepass.isOn;
bool transparentDepthPostpassActive = transparent && masterNode.alphaTest.isOn && masterNode.alphaTestDepthPostpass.isOn;
GenerateShaderPassHair(masterNode, m_PassShadowCaster, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassHair(masterNode, m_PassMETA, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassHair(masterNode, m_SceneSelectionPass, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassHair(masterNode, m_PassDepthForwardOnly, mode, subShader, sourceAssetDependencyPaths);
GenerateShaderPassHair(masterNode, m_PassMotionVectors, mode, subShader, sourceAssetDependencyPaths);
if (transparentBackfaceActive)
{
GenerateShaderPassHair(masterNode, m_PassTransparentBackface, mode, subShader, sourceAssetDependencyPaths);
}
if (transparentDepthPrepassActive)
{
GenerateShaderPassHair(masterNode, m_PassTransparentDepthPrepass, mode, subShader, sourceAssetDependencyPaths);
}
// Assign define here based on opaque or transparent to save some variant
m_PassForwardOnly.ExtraDefines = opaque ? HDSubShaderUtilities.s_ExtraDefinesForwardOpaque : HDSubShaderUtilities.s_ExtraDefinesForwardTransparent;
GenerateShaderPassHair(masterNode, m_PassForwardOnly, mode, subShader, sourceAssetDependencyPaths);
if (transparentDepthPostpassActive)
{
GenerateShaderPassHair(masterNode, m_PassTransparentDepthPostpass, mode, subShader, sourceAssetDependencyPaths);
}
}
subShader.Deindent();
subShader.AddShaderChunk("}", true);
subShader.AddShaderChunk(@"CustomEditor ""UnityEditor.Experimental.Rendering.HDPipeline.HairGUI""");
return(subShader.GetShaderString(0));
}
public string GetSubshader(IMasterNode masterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// LightWeightPBRSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("16b8a010f96947c4f866705d757bc0a3"));
}
var templatePath = GetTemplatePath("lightweightToonForwardPass.template");
var extraPassesTemplatePath = GetTemplatePath("lightweightToonExtraPasses.template");
if (!File.Exists(templatePath) || !File.Exists(extraPassesTemplatePath))
{
return(string.Empty);
}
if (sourceAssetDependencyPaths != null)
{
sourceAssetDependencyPaths.Add(templatePath);
sourceAssetDependencyPaths.Add(extraPassesTemplatePath);
var relativePath = "Packages/com.unity.render-pipelines.lightweight/";
var fullPath = Path.GetFullPath(relativePath);
var shaderFiles = Directory.GetFiles(Path.Combine(fullPath, "ShaderLibrary")).Select(x => Path.Combine(relativePath, x.Substring(fullPath.Length)));
sourceAssetDependencyPaths.AddRange(shaderFiles);
}
string forwardTemplate = File.ReadAllText(templatePath);
string extraTemplate = File.ReadAllText(extraPassesTemplatePath);
var pbrMasterNode = masterNode as ToonMasterNode;
var pass = pbrMasterNode.model == ToonMasterNode.Model.Metallic ? m_ForwardPassMetallic : m_ForwardPassSpecular;
var subShader = new ShaderStringBuilder();
subShader.AppendLine("SubShader");
using (subShader.BlockScope())
{
var materialTags = ShaderGenerator.BuildMaterialTags(pbrMasterNode.surfaceType);
var tagsBuilder = new ShaderStringBuilder(0);
materialTags.GetTags(tagsBuilder, LightweightRenderPipeline.k_ShaderTagName);
subShader.AppendLines(tagsBuilder.ToString());
var materialOptions = ShaderGenerator.GetMaterialOptions(pbrMasterNode.surfaceType, pbrMasterNode.alphaMode, pbrMasterNode.twoSided.isOn);
subShader.AppendLines(GetShaderPassFromTemplate(
forwardTemplate,
pbrMasterNode,
pass,
mode,
materialOptions));
subShader.AppendLines(GetShaderPassFromTemplate(
extraTemplate,
pbrMasterNode,
m_DepthShadowPass,
mode,
materialOptions));
}
subShader.Append("CustomEditor \"LiliumEditor.Toon.ToonMasterGUI\"");
return(subShader.ToString());
}
