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())
{
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 \"UnityEditor.ShaderGraph.PBRMasterGUI\"");
return(subShader.ToString());
}
public string GetSubshader(IMasterNode masterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// LightWeightUnlitSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("3ef30c5c1d5fc412f88511ef5818b654"));
}
var templatePath = GetTemplatePath("lightweightUnlitPass.template");
var extraPassesTemplatePath = GetTemplatePath("lightweightUnlitExtraPasses.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 unlitMasterNode = masterNode as UnlitMasterNode;
var pass = m_UnlitPass;
var subShader = new ShaderStringBuilder();
subShader.AppendLine("SubShader");
using (subShader.BlockScope())
{
var materialTags = ShaderGenerator.BuildMaterialTags(unlitMasterNode.surfaceType);
var tagsBuilder = new ShaderStringBuilder(0);
materialTags.GetTags(tagsBuilder, LightweightRenderPipeline.k_ShaderTagName);
subShader.AppendLines(tagsBuilder.ToString());
var materialOptions = ShaderGenerator.GetMaterialOptions(unlitMasterNode.surfaceType, unlitMasterNode.alphaMode, unlitMasterNode.twoSided.isOn);
subShader.AppendLines(GetShaderPassFromTemplate(
forwardTemplate,
unlitMasterNode,
pass,
mode,
materialOptions));
subShader.AppendLines(GetShaderPassFromTemplate(
extraTemplate,
unlitMasterNode,
m_DepthShadowPass,
mode,
materialOptions));
}
return(subShader.ToString());
}
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);
}
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));
}
return(subShader.ToString());
}
public string GetSubshader(IMasterNode masterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// LightWeightUnlitSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("3ef30c5c1d5fc412f88511ef5818b654"));
}
var templatePath = GetTemplatePath("lightweightUnlitPass.template");
var extraPassesTemplatePath = GetTemplatePath("lightweightUnlitExtraPasses.template");
if (!File.Exists(templatePath) || !File.Exists(extraPassesTemplatePath))
{
return(string.Empty);
}
if (sourceAssetDependencyPaths != null)
{
sourceAssetDependencyPaths.Add(templatePath);
sourceAssetDependencyPaths.Add(extraPassesTemplatePath);
}
string forwardTemplate = File.ReadAllText(templatePath);
string extraTemplate = File.ReadAllText(extraPassesTemplatePath);
var unlitMasterNode = masterNode as UnlitMasterNode;
var pass = m_UnlitPass;
var subShader = new ShaderStringBuilder();
subShader.AppendLine("SubShader");
using (subShader.BlockScope())
{
subShader.AppendLine("Tags{ \"RenderPipeline\" = \"LightweightPipeline\"}");
var materialTags = ShaderGenerator.BuildMaterialTags(unlitMasterNode.surfaceType);
var tagsBuilder = new ShaderStringBuilder(0);
materialTags.GetTags(tagsBuilder);
subShader.AppendLines(tagsBuilder.ToString());
var materialOptions = ShaderGenerator.GetMaterialOptions(unlitMasterNode.surfaceType, unlitMasterNode.alphaMode, unlitMasterNode.twoSided.isOn);
subShader.AppendLines(GetShaderPassFromTemplate(
forwardTemplate,
unlitMasterNode,
pass,
mode,
materialOptions));
subShader.AppendLines(GetShaderPassFromTemplate(
extraTemplate,
unlitMasterNode,
m_DepthShadowPass,
mode,
materialOptions));
}
return(subShader.ToString());
}
public string GetSubshader(IMasterNode masterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// LightWeightPBRSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("f37ee8a3fc1e43646bab579fc6c4c68d"));
}
var templatePath = GetTemplatePath("AILWForwardPass.template", "2f6cfbf8aef97dc4d952a059147e69a6");
var extraPassesTemplatePath = GetTemplatePath("AILWExtraPasses.template", "e700d3e5b71bb764f83ce12de610be58");
if (!File.Exists(templatePath) || !File.Exists(extraPassesTemplatePath))
{
return(string.Empty);
}
if (sourceAssetDependencyPaths != null)
{
sourceAssetDependencyPaths.Add(templatePath);
sourceAssetDependencyPaths.Add(extraPassesTemplatePath);
}
string forwardTemplate = File.ReadAllText(templatePath);
string extraTemplate = File.ReadAllText(extraPassesTemplatePath);
var pbrMasterNode = masterNode as AILWMasterNode;
var pass = pbrMasterNode.model == AILWMasterNode.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 \"UnityEditor.ShaderGraph.PBRMasterGUI\"");
return(subShader.ToString());
}
public void GenerateNodeCode(ShaderStringBuilder sb, GraphContext graphContext, GenerationMode generationMode)
{
string amplitude = GetSlotValue(kAmplitudeSlotId, generationMode);
string steps = GetSlotValue(kStepsSlotId, generationMode);
string uvs = GetSlotValue(kUVsSlotId, generationMode);
string lod = GetSlotValue(kLodSlotId, generationMode);
string lodThreshold = GetSlotValue(kLodThresholdSlotId, generationMode);
string tmpPOMParam = GetVariableNameForNode() + "_POM";
string tmpViewDir = GetVariableNameForNode() + "_ViewDir";
string tmpNdotV = GetVariableNameForNode() + "_NdotV";
string tmpMaxHeight = GetVariableNameForNode() + "_MaxHeight";
string tmpViewDirUV = GetVariableNameForNode() + "_ViewDirUV";
string tmpOutHeight = GetVariableNameForNode() + "_OutHeight";
sb.AppendLines(String.Format(@"
$precision3 {4} = IN.{2} * GetDisplacementObjectScale().xzy;
$precision {5} = {4}.z;
$precision {6} = {3} * 0.01;
// Transform the view vector into the UV space.
$precision3 {7} = normalize($precision3({4}.xy * {6}, {4}.z)); // TODO: skip normalize
PerPixelHeightDisplacementParam {1};
{1}.uv = {2};",
tmpPOMParam,
uvs,
CoordinateSpace.Tangent.ToVariableName(InterpolatorType.ViewDirection),
amplitude, // cm in the interface so we multiply by 0.01 in the shader to convert in meter
tmpViewDir,
tmpNdotV,
tmpMaxHeight,
tmpViewDirUV
));
sb.AppendLines(String.Format(@"
$precision {10};
$precision2 {0} = {8} + ParallaxOcclusionMapping({1}, {2}, {3}, {4}, {5}, {10});
$precision {6} = ({7} - {10} * {7}) / max({9}, 0.0001);
",
GetVariableNameForSlot(kParallaxUVsOutputSlotId),
lod,
lodThreshold,
steps,
tmpViewDirUV,
tmpPOMParam,
GetVariableNameForSlot(kPixelDepthOffsetOutputSlotId),
tmpMaxHeight,
uvs,
tmpNdotV,
tmpOutHeight
));
}
public string GetSubshader(IMasterNode masterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// LightWeightSpriteLitSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("62511ee827d14492a8c78ba0ef167e7f"));
}
string litPassTemplate = ReadTemplate("lightweightSpriteLitPass.template", sourceAssetDependencyPaths);
string normalPassTemplate = ReadTemplate("lightweightSpriteNormalPass.template", sourceAssetDependencyPaths);
string forwardPassTemplate = ReadTemplate("lightweightSpriteForwardPass.template", sourceAssetDependencyPaths);
var litMasterNode = masterNode as SpriteLitMasterNode;
var litPass = m_LitPass;
var normalPass = m_NormalPass;
var subShader = new ShaderStringBuilder();
subShader.AppendLine("SubShader");
using (subShader.BlockScope())
{
subShader.AppendLine("Tags{ \"RenderPipeline\" = \"LightweightPipeline\"}");
var materialTags = ShaderGenerator.BuildMaterialTags(SurfaceType.Transparent);
var tagsBuilder = new ShaderStringBuilder(0);
materialTags.GetTags(tagsBuilder, LightweightRenderPipeline.k_ShaderTagName);
subShader.AppendLines(tagsBuilder.ToString());
var materialOptions = ShaderGenerator.GetMaterialOptions(SurfaceType.Transparent, AlphaMode.Alpha, true);
subShader.AppendLines(GetShaderPassFromTemplate(
true,
litPassTemplate,
litMasterNode,
litPass,
mode,
materialOptions));
subShader.AppendLines(GetShaderPassFromTemplate(
false,
normalPassTemplate,
litMasterNode,
normalPass,
mode,
materialOptions));
subShader.AppendLines(GetShaderPassFromTemplate(
false,
forwardPassTemplate,
litMasterNode,
normalPass,
mode,
materialOptions));
}
return(subShader.ToString());
}
public static string GetSubShader <T>(T masterNode, SurfaceMaterialTags tags, SurfaceMaterialOptions options, Pass[] passes,
GenerationMode mode, string customEditorPath = null, List <string> sourceAssetDependencyPaths = null) where T : IMasterNode
{
if (sourceAssetDependencyPaths != null)
{
var relativePath = "Packages/com.unity.render-pipelines.universal/";
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);
}
var subShader = new ShaderStringBuilder();
subShader.AppendLine("SubShader");
using (subShader.BlockScope())
{
var tagsBuilder = new ShaderStringBuilder(0);
tags.GetTags(tagsBuilder, UnityEngine.Rendering.Universal.UniversalRenderPipeline.k_ShaderTagName);
subShader.AppendLines(tagsBuilder.ToString());
foreach (Pass pass in passes)
{
var templatePath = GetTemplatePath(pass.TemplatePath);
if (!File.Exists(templatePath))
{
continue;
}
if (sourceAssetDependencyPaths != null)
{
sourceAssetDependencyPaths.Add(templatePath);
}
string template = File.ReadAllText(templatePath);
subShader.AppendLines(GetShaderPassFromTemplate(
template,
masterNode,
pass,
mode,
options));
}
}
if (!string.IsNullOrEmpty(customEditorPath))
{
subShader.Append($"CustomEditor \"{customEditorPath}\"");
}
return(subShader.ToString());
}
public string GetSubshader(IMasterNode masterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// LightWeightSpriteUnlitSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("62511ee827d14492a8c78ba0ef167e7f"));
}
var templatePath = GetTemplatePath("lightweightSpriteUnlitPass.template");
if (!File.Exists(templatePath))
{
return(string.Empty);
}
if (sourceAssetDependencyPaths != null)
{
sourceAssetDependencyPaths.Add(templatePath);
}
string forwardTemplate = File.ReadAllText(templatePath);
var unlitMasterNode = masterNode as SpriteUnlitMasterNode;
var pass = m_UnlitPass;
var subShader = new ShaderStringBuilder();
subShader.AppendLine("SubShader");
using (subShader.BlockScope())
{
subShader.AppendLine("Tags{ \"RenderPipeline\" = \"LightweightPipeline\"}");
var materialTags = ShaderGenerator.BuildMaterialTags(SurfaceType.Transparent);
var tagsBuilder = new ShaderStringBuilder(0);
materialTags.GetTags(tagsBuilder, LightweightRenderPipeline.k_ShaderTagName);
subShader.AppendLines(tagsBuilder.ToString());
var materialOptions = ShaderGenerator.GetMaterialOptions(SurfaceType.Transparent, AlphaMode.Alpha, true);
subShader.AppendLines(GetShaderPassFromTemplate(
forwardTemplate,
unlitMasterNode,
pass,
mode,
materialOptions));
}
return(subShader.ToString());
}
public string GetSubshader(IMasterNode inMasterNode, GenerationMode mode)
{
var templatePath = GetTemplatePath("lightweightPBRForwardPass.template");
var extraPassesTemplatePath = GetTemplatePath("lightweightPBRExtraPasses.template");
if (!File.Exists(templatePath) || !File.Exists(extraPassesTemplatePath))
{
return(string.Empty);
}
string forwardTemplate = File.ReadAllText(templatePath);
string extraTemplate = File.ReadAllText(extraPassesTemplatePath);
var masterNode = inMasterNode as PBRMasterNode;
var pass = masterNode.model == PBRMasterNode.Model.Metallic ? m_ForwardPassMetallic : m_ForwardPassSpecular;
var subShader = new ShaderStringBuilder();
subShader.AppendLine("SubShader");
using (subShader.BlockScope())
{
subShader.AppendLine("Tags{ \"RenderPipeline\" = \"LightweightPipeline\"}");
var materialOptions = ShaderGenerator.GetMaterialOptions(masterNode.surfaceType, masterNode.alphaMode, masterNode.twoSided.isOn);
var tagsBuilder = new ShaderStringBuilder(0);
materialOptions.GetTags(tagsBuilder);
subShader.AppendLines(tagsBuilder.ToString());
subShader.AppendLines(GetShaderPassFromTemplate(
forwardTemplate,
masterNode,
pass,
mode,
materialOptions));
subShader.AppendLines(GetExtraPassesFromTemplate(extraTemplate, masterNode, pass, mode, materialOptions));
}
return(subShader.ToString());
}
public string GetSubshader(IMasterNode masterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
//TODO:
// if (sourceAssetDependencyPaths != null)
// {
// // LightWeightUnlitSubShader.cs
// sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("3ef30c5c1d5fc412f88511ef5818b654"));
// }
var templatePath = GetTemplatePath("hdEffectPass.template");
// var extraPassesTemplatePath = GetTemplatePath("lightweightUnlitExtraPasses.template");
if (!File.Exists(templatePath) /*|| !File.Exists(extraPassesTemplatePath)*/)
{
return(string.Empty);
}
if (sourceAssetDependencyPaths != null)
{
sourceAssetDependencyPaths.Add(templatePath);
// sourceAssetDependencyPaths.Add(extraPassesTemplatePath);
}
string forwardTemplate = File.ReadAllText(templatePath);
// string extraTemplate = File.ReadAllText(extraPassesTemplatePath);
var imageEffectMasterNode = masterNode as ImageEffectMasterNode;
var pass = m_ImageEffectPass;
var subShader = new ShaderStringBuilder();
subShader.AppendLine("SubShader");
using (subShader.BlockScope())
{
subShader.AppendLine("Tags{ \"RenderPipeline\" = \"HDRenderPipeline\"}");
// var materialTags = ShaderGenerator.BuildMaterialTags(imageEffectMasterNode.surfaceType);
// var tagsBuilder = new ShaderStringBuilder(0);
// materialTags.GetTags(tagsBuilder);
// subShader.AppendLines(tagsBuilder.ToString());
var materialOptions = ShaderGenerator.GetMaterialOptions(imageEffectMasterNode.surfaceType, imageEffectMasterNode.alphaMode, false);
subShader.AppendLines(GetShaderPassFromTemplate(
forwardTemplate,
imageEffectMasterNode,
pass,
mode,
materialOptions));
}
return(subShader.ToString());
}
public string GetSubshader(IMasterNode masterNode, GenerationMode mode, List <string> sourceAssetDependencyPaths = null)
{
if (sourceAssetDependencyPaths != null)
{
// LightWeightSpriteUnlitSubShader.cs
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("f2df349d00ec920488971bb77440b7bc"));
}
string unlitTemplate = ReadTemplate("lightweightSpriteUnlitPass.template", sourceAssetDependencyPaths);
var unlitMasterNode = masterNode as SpriteUnlitMasterNode;
var pass = m_UnlitPass;
var subShader = new ShaderStringBuilder();
subShader.AppendLine("SubShader");
using (subShader.BlockScope())
{
subShader.AppendLine("Tags{ \"RenderPipeline\" = \"LightweightPipeline\"}");
var materialTags = ShaderGenerator.BuildMaterialTags(SurfaceType.Transparent);
var tagsBuilder = new ShaderStringBuilder(0);
materialTags.GetTags(tagsBuilder, LightweightRenderPipeline.k_ShaderTagName);
subShader.AppendLines(tagsBuilder.ToString());
var materialOptions = ShaderGenerator.GetMaterialOptions(SurfaceType.Transparent, AlphaMode.Alpha, true);
subShader.AppendLines(GetShaderPassFromTemplate(
unlitTemplate,
unlitMasterNode,
pass,
mode,
materialOptions));
}
return(subShader.ToString());
}
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());
}
static string GetShaderPassFromTemplate(string template, UnlitMasterNode masterNode, Pass pass, GenerationMode mode, SurfaceMaterialOptions materialOptions)
{
// ----------------------------------------------------- //
// SETUP //
// ----------------------------------------------------- //
// -------------------------------------
// String builders
var shaderProperties = new PropertyCollector();
var shaderPropertyUniforms = 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 modelRequiements = ShaderGraphRequirements.none;
modelRequiements.requiresNormal |= k_PixelCoordinateSpace;
modelRequiements.requiresTangent |= k_PixelCoordinateSpace;
modelRequiements.requiresBitangent |= k_PixelCoordinateSpace;
modelRequiements.requiresPosition |= k_PixelCoordinateSpace;
modelRequiements.requiresViewDir |= k_PixelCoordinateSpace;
modelRequiements.requiresMeshUVs.Add(UVChannel.UV1);
// ----------------------------------------------------- //
// 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
if (masterNode.IsSlotConnected(UnlitMasterNode.AlphaThresholdSlotId))
{
defines.AppendLine("#define _AlphaClip 1");
}
if (masterNode.surfaceType == SurfaceType.Transparent && masterNode.alphaMode == AlphaMode.Premultiply)
{
defines.AppendLine("#define _ALPHAPREMULTIPLY_ON 1");
}
if (graphRequirements.requiresDepthTexture)
{
defines.AppendLine("#define REQUIRE_DEPTH_TEXTURE");
}
if (graphRequirements.requiresCameraOpaqueTexture)
{
defines.AppendLine("#define REQUIRE_OPAQUE_TEXTURE");
}
// ----------------------------------------------------- //
// 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,
mode,
vertexNodes,
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,
masterNode,
masterNode.owner as GraphData,
surfaceDescriptionFunction,
functionRegistry,
shaderProperties,
pixelRequirements,
mode,
"PopulateSurfaceData",
"SurfaceDescription",
null,
pixelSlots);
// ----------------------------------------------------- //
// GENERATE VERTEX > PIXEL PIPELINE //
// ----------------------------------------------------- //
// -------------------------------------
// Property uniforms
shaderProperties.GetPropertiesDeclaration(shaderPropertyUniforms, mode, masterNode.owner.concretePrecision);
// -------------------------------------
// Generate Input structure for Vertex shader
GraphUtil.GenerateApplicationVertexInputs(vertexRequirements.Union(pixelRequirements.Union(modelRequiements)), 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,
modelRequiements,
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(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);
}
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 static bool GenerateShaderPass(AbstractMaterialNode masterNode, ShaderPass pass, GenerationMode mode,
ActiveFields activeFields, ShaderGenerator result, List <string> sourceAssetDependencyPaths,
List <Dependency[]> dependencies, string resourceClassName, string assemblyName)
{
// --------------------------------------------------
// Debug
// Get scripting symbols
BuildTargetGroup buildTargetGroup = EditorUserBuildSettings.selectedBuildTargetGroup;
string defines = PlayerSettings.GetScriptingDefineSymbolsForGroup(buildTargetGroup);
bool isDebug = defines.Contains(kDebugSymbol);
// --------------------------------------------------
// Setup
// Initiailize Collectors
var propertyCollector = new PropertyCollector();
var keywordCollector = new KeywordCollector();
masterNode.owner.CollectShaderKeywords(keywordCollector, mode);
// Get upstream nodes from ShaderPass port mask
List <AbstractMaterialNode> vertexNodes;
List <AbstractMaterialNode> pixelNodes;
GetUpstreamNodesForShaderPass(masterNode, pass, out vertexNodes, out pixelNodes);
// Track permutation indices for all nodes
List <int>[] vertexNodePermutations = new List <int> [vertexNodes.Count];
List <int>[] pixelNodePermutations = new List <int> [pixelNodes.Count];
// Get active fields from upstream Node requirements
ShaderGraphRequirementsPerKeyword graphRequirements;
GetActiveFieldsAndPermutationsForNodes(masterNode, pass, keywordCollector, vertexNodes, pixelNodes,
vertexNodePermutations, pixelNodePermutations, activeFields, out graphRequirements);
// GET CUSTOM ACTIVE FIELDS HERE!
// Get active fields from ShaderPass
AddRequiredFields(pass.requiredAttributes, activeFields.baseInstance);
AddRequiredFields(pass.requiredVaryings, activeFields.baseInstance);
// Get Port references from ShaderPass
var pixelSlots = FindMaterialSlotsOnNode(pass.pixelPorts, masterNode);
var vertexSlots = FindMaterialSlotsOnNode(pass.vertexPorts, masterNode);
// Function Registry
var functionBuilder = new ShaderStringBuilder();
var functionRegistry = new FunctionRegistry(functionBuilder);
// Hash table of named $splice(name) commands
// Key: splice token
// Value: string to splice
Dictionary <string, string> spliceCommands = new Dictionary <string, string>();
// --------------------------------------------------
// Dependencies
// Propagate active field requirements using dependencies
// Must be executed before types are built
foreach (var instance in activeFields.all.instances)
{
ShaderSpliceUtil.ApplyDependencies(instance, dependencies);
}
// --------------------------------------------------
// Pass Setup
// Name
if (!string.IsNullOrEmpty(pass.displayName))
{
spliceCommands.Add("PassName", $"Name \"{pass.displayName}\"");
}
else
{
spliceCommands.Add("PassName", "// Name: <None>");
}
// Tags
if (!string.IsNullOrEmpty(pass.lightMode))
{
spliceCommands.Add("LightMode", $"\"LightMode\" = \"{pass.lightMode}\"");
}
else
{
spliceCommands.Add("LightMode", "// LightMode: <None>");
}
// Render state
BuildRenderStatesFromPass(pass, ref spliceCommands);
// --------------------------------------------------
// Pass Code
// Pragmas
using (var passPragmaBuilder = new ShaderStringBuilder())
{
if (pass.pragmas != null)
{
foreach (string pragma in pass.pragmas)
{
passPragmaBuilder.AppendLine($"#pragma {pragma}");
}
}
if (passPragmaBuilder.length == 0)
{
passPragmaBuilder.AppendLine("// PassPragmas: <None>");
}
spliceCommands.Add("PassPragmas", passPragmaBuilder.ToCodeBlack());
}
// Includes
using (var passIncludeBuilder = new ShaderStringBuilder())
{
if (pass.includes != null)
{
foreach (string include in pass.includes)
{
passIncludeBuilder.AppendLine($"#include \"{include}\"");
}
}
if (passIncludeBuilder.length == 0)
{
passIncludeBuilder.AppendLine("// PassIncludes: <None>");
}
spliceCommands.Add("PassIncludes", passIncludeBuilder.ToCodeBlack());
}
// Keywords
using (var passKeywordBuilder = new ShaderStringBuilder())
{
if (pass.keywords != null)
{
foreach (KeywordDescriptor keyword in pass.keywords)
{
passKeywordBuilder.AppendLine(keyword.ToDeclarationString());
}
}
if (passKeywordBuilder.length == 0)
{
passKeywordBuilder.AppendLine("// PassKeywords: <None>");
}
spliceCommands.Add("PassKeywords", passKeywordBuilder.ToCodeBlack());
}
// --------------------------------------------------
// Graph Vertex
var vertexBuilder = new ShaderStringBuilder();
// If vertex modification enabled
if (activeFields.baseInstance.Contains("features.graphVertex"))
{
// Setup
string vertexGraphInputName = "VertexDescriptionInputs";
string vertexGraphOutputName = "VertexDescription";
string vertexGraphFunctionName = "VertexDescriptionFunction";
var vertexGraphInputGenerator = new ShaderGenerator();
var vertexGraphFunctionBuilder = new ShaderStringBuilder();
var vertexGraphOutputBuilder = new ShaderStringBuilder();
// Build vertex graph inputs
ShaderSpliceUtil.BuildType(GetTypeForStruct("VertexDescriptionInputs", resourceClassName, assemblyName), activeFields, vertexGraphInputGenerator, isDebug);
// Build vertex graph outputs
// Add struct fields to active fields
SubShaderGenerator.GenerateVertexDescriptionStruct(vertexGraphOutputBuilder, vertexSlots, vertexGraphOutputName, activeFields.baseInstance);
// Build vertex graph functions from ShaderPass vertex port mask
SubShaderGenerator.GenerateVertexDescriptionFunction(
masterNode.owner as GraphData,
vertexGraphFunctionBuilder,
functionRegistry,
propertyCollector,
keywordCollector,
mode,
masterNode,
vertexNodes,
vertexNodePermutations,
vertexSlots,
vertexGraphInputName,
vertexGraphFunctionName,
vertexGraphOutputName);
// Generate final shader strings
vertexBuilder.AppendLines(vertexGraphInputGenerator.GetShaderString(0, false));
vertexBuilder.AppendNewLine();
vertexBuilder.AppendLines(vertexGraphOutputBuilder.ToString());
vertexBuilder.AppendNewLine();
vertexBuilder.AppendLines(vertexGraphFunctionBuilder.ToString());
}
// Add to splice commands
if (vertexBuilder.length == 0)
{
vertexBuilder.AppendLine("// GraphVertex: <None>");
}
spliceCommands.Add("GraphVertex", vertexBuilder.ToCodeBlack());
// --------------------------------------------------
// Graph Pixel
// Setup
string pixelGraphInputName = "SurfaceDescriptionInputs";
string pixelGraphOutputName = "SurfaceDescription";
string pixelGraphFunctionName = "SurfaceDescriptionFunction";
var pixelGraphInputGenerator = new ShaderGenerator();
var pixelGraphOutputBuilder = new ShaderStringBuilder();
var pixelGraphFunctionBuilder = new ShaderStringBuilder();
// Build pixel graph inputs
ShaderSpliceUtil.BuildType(GetTypeForStruct("SurfaceDescriptionInputs", resourceClassName, assemblyName), activeFields, pixelGraphInputGenerator, isDebug);
// Build pixel graph outputs
// Add struct fields to active fields
SubShaderGenerator.GenerateSurfaceDescriptionStruct(pixelGraphOutputBuilder, pixelSlots, pixelGraphOutputName, activeFields.baseInstance);
// Build pixel graph functions from ShaderPass pixel port mask
SubShaderGenerator.GenerateSurfaceDescriptionFunction(
pixelNodes,
pixelNodePermutations,
masterNode,
masterNode.owner as GraphData,
pixelGraphFunctionBuilder,
functionRegistry,
propertyCollector,
keywordCollector,
mode,
pixelGraphFunctionName,
pixelGraphOutputName,
null,
pixelSlots,
pixelGraphInputName);
using (var pixelBuilder = new ShaderStringBuilder())
{
// Generate final shader strings
pixelBuilder.AppendLines(pixelGraphInputGenerator.GetShaderString(0, false));
pixelBuilder.AppendNewLine();
pixelBuilder.AppendLines(pixelGraphOutputBuilder.ToString());
pixelBuilder.AppendNewLine();
pixelBuilder.AppendLines(pixelGraphFunctionBuilder.ToString());
// Add to splice commands
if (pixelBuilder.length == 0)
{
pixelBuilder.AppendLine("// GraphPixel: <None>");
}
spliceCommands.Add("GraphPixel", pixelBuilder.ToCodeBlack());
}
// --------------------------------------------------
// Graph Functions
if (functionBuilder.length == 0)
{
functionBuilder.AppendLine("// GraphFunctions: <None>");
}
spliceCommands.Add("GraphFunctions", functionBuilder.ToCodeBlack());
// --------------------------------------------------
// Graph Keywords
using (var keywordBuilder = new ShaderStringBuilder())
{
keywordCollector.GetKeywordsDeclaration(keywordBuilder, mode);
if (keywordBuilder.length == 0)
{
keywordBuilder.AppendLine("// GraphKeywords: <None>");
}
spliceCommands.Add("GraphKeywords", keywordBuilder.ToCodeBlack());
}
// --------------------------------------------------
// Graph Properties
using (var propertyBuilder = new ShaderStringBuilder())
{
propertyCollector.GetPropertiesDeclaration(propertyBuilder, mode, masterNode.owner.concretePrecision);
if (propertyBuilder.length == 0)
{
propertyBuilder.AppendLine("// GraphProperties: <None>");
}
spliceCommands.Add("GraphProperties", propertyBuilder.ToCodeBlack());
}
// --------------------------------------------------
// Graph Defines
using (var graphDefines = new ShaderStringBuilder())
{
graphDefines.AppendLine("#define {0}", pass.referenceName);
if (graphRequirements.permutationCount > 0)
{
List <int> activePermutationIndices;
// Depth Texture
activePermutationIndices = graphRequirements.allPermutations.instances
.Where(p => p.requirements.requiresDepthTexture)
.Select(p => p.permutationIndex)
.ToList();
if (activePermutationIndices.Count > 0)
{
graphDefines.AppendLine(KeywordUtil.GetKeywordPermutationSetConditional(activePermutationIndices));
graphDefines.AppendLine("#define REQUIRE_DEPTH_TEXTURE");
graphDefines.AppendLine("#endif");
}
// Opaque Texture
activePermutationIndices = graphRequirements.allPermutations.instances
.Where(p => p.requirements.requiresCameraOpaqueTexture)
.Select(p => p.permutationIndex)
.ToList();
if (activePermutationIndices.Count > 0)
{
graphDefines.AppendLine(KeywordUtil.GetKeywordPermutationSetConditional(activePermutationIndices));
graphDefines.AppendLine("#define REQUIRE_OPAQUE_TEXTURE");
graphDefines.AppendLine("#endif");
}
}
else
{
// Depth Texture
if (graphRequirements.baseInstance.requirements.requiresDepthTexture)
{
graphDefines.AppendLine("#define REQUIRE_DEPTH_TEXTURE");
}
// Opaque Texture
if (graphRequirements.baseInstance.requirements.requiresCameraOpaqueTexture)
{
graphDefines.AppendLine("#define REQUIRE_OPAQUE_TEXTURE");
}
}
// Add to splice commands
spliceCommands.Add("GraphDefines", graphDefines.ToCodeBlack());
}
// --------------------------------------------------
// Main
// Main include is expected to contain vert/frag definitions for the pass
// This must be defined after all graph code
using (var mainBuilder = new ShaderStringBuilder())
{
mainBuilder.AppendLine($"#include \"{pass.varyingsInclude}\"");
mainBuilder.AppendLine($"#include \"{pass.passInclude}\"");
// Add to splice commands
spliceCommands.Add("MainInclude", mainBuilder.ToCodeBlack());
}
// --------------------------------------------------
// Debug
// Debug output all active fields
using (var debugBuilder = new ShaderStringBuilder())
{
if (isDebug)
{
// Active fields
debugBuilder.AppendLine("// ACTIVE FIELDS:");
foreach (string field in activeFields.baseInstance.fields)
{
debugBuilder.AppendLine("// " + field);
}
}
if (debugBuilder.length == 0)
{
debugBuilder.AppendLine("// <None>");
}
// Add to splice commands
spliceCommands.Add("Debug", debugBuilder.ToCodeBlack());
}
// --------------------------------------------------
// Finalize
// Get Template
string templateLocation = GetTemplatePath("PassMesh.template");
if (!File.Exists(templateLocation))
{
return(false);
}
// Get Template preprocessor
string templatePath = "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Templates";
var templatePreprocessor = new ShaderSpliceUtil.TemplatePreprocessor(activeFields, spliceCommands,
isDebug, templatePath, sourceAssetDependencyPaths, assemblyName, resourceClassName);
// Process Template
templatePreprocessor.ProcessTemplateFile(templateLocation);
result.AddShaderChunk(templatePreprocessor.GetShaderCode().ToString(), false);
return(true);
}
string GenerateGraph(CustomTextureMasterNode masterNode, string template)
{
// ----------------------------------------------------- //
// SETUP //
// ----------------------------------------------------- //
// -------------------------------------
// String builders
var shaderProperties = new PropertyCollector();
var shaderPropertyUniforms = new ShaderStringBuilder(1);
var functionBuilder = new ShaderStringBuilder(1);
var functionRegistry = new FunctionRegistry(functionBuilder);
var defines = new ShaderStringBuilder(1);
var graph = new ShaderStringBuilder(0);
var surfaceDescriptionStruct = new ShaderStringBuilder(1);
var surfaceDescriptionFunction = new ShaderStringBuilder(1);
var pixelShader = new ShaderStringBuilder(2);
var pixelShaderSurfaceInputs = new ShaderStringBuilder(2);
var pixelShaderSurfaceRemap = new ShaderStringBuilder(2);
// -------------------------------------
// Get Slot and Node lists per stage
var pixelSlots = masterNode.GetSlots <MaterialSlot>().ToList(); // All slots are pixels
var pixelNodes = ListPool <AbstractMaterialNode> .Get();
NodeUtils.DepthFirstCollectNodesFromNode(pixelNodes, masterNode, NodeUtils.IncludeSelf.Include, pixelSlots.Select(s => s.id).ToList());
// -------------------------------------
// Get Requirements
var pixelRequirements = ShaderGraphRequirements.FromNodes(pixelNodes, ShaderStageCapability.Fragment);
var graphRequirements = pixelRequirements;
var surfaceRequirements = ShaderGraphRequirements.FromNodes(pixelNodes, ShaderStageCapability.Fragment, false);
// ----------------------------------------------------- //
// START SHADER GENERATION //
// ----------------------------------------------------- //
// -------------------------------------
// Generate Output structure for Surface Description function
SubShaderGenerator.GenerateSurfaceDescriptionStruct(surfaceDescriptionStruct, pixelSlots);
// -------------------------------------
// Generate Surface Description function
List <int>[] perm = new List <int> [pixelNodes.Count];
SubShaderGenerator.GenerateSurfaceDescriptionFunction(
pixelNodes,
perm,
masterNode,
masterNode.owner as GraphData,
surfaceDescriptionFunction,
functionRegistry,
shaderProperties,
new KeywordCollector(),
GenerationMode.ForReals);
// pixelRequirements,
// GenerationMode.ForReals, // we'll handle preview later
// "PopulateSurfaceData",
// "SurfaceDescription",
// null,
// pixelSlots);
// -------------------------------------
// Property uniforms
shaderProperties.GetPropertiesDeclaration(shaderPropertyUniforms, GenerationMode.ForReals, masterNode.owner.concretePrecision);
// -------------------------------------
// Generate standard transformations
// This method ensures all required transform data is available in vertex and pixel stages
// ShaderGenerator.GenerateStandardTransforms(
// 3,
// 10,
// // We don't need vertex things
// new ShaderStringBuilder(),
// new ShaderStringBuilder(),
// new ShaderStringBuilder(),
// new ShaderStringBuilder(),
// pixelShader,
// pixelShaderSurfaceInputs,
// pixelRequirements,
// surfaceRequirements,
// modelRequirements,
// new ShaderGraphRequirements(),
// 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(shaderPropertyUniforms.ToString());
graph.AppendLine(functionBuilder.ToString());
graph.AppendLine(surfaceDescriptionStruct.ToString());
graph.AppendLine(surfaceDescriptionFunction.ToString());
// -------------------------------------
// Generate final subshader
var resultPass = template.Replace("${Tags}", string.Empty);
resultPass = resultPass.Replace("${Graph}", graph.ToString());
resultPass = resultPass.Replace("${FaceSign}", faceSign.ToString());
resultPass = resultPass.Replace("${PixelShader}", pixelShader.ToString());
resultPass = resultPass.Replace("${PixelShaderSurfaceRemap}", pixelShaderSurfaceRemap.ToString());
return(resultPass);
}