public string GetShader(GenerationMode mode, string outputName, out List<PropertyCollector.TextureInfo> configuredTextures, List<string> sourceAssetDependencyPaths = null)
        {
            var activeNodeList = ListPool<AbstractMaterialNode>.Get();
            NodeUtils.DepthFirstCollectNodesFromNode(activeNodeList, this);

            var shaderProperties = new PropertyCollector();

            var abstractMaterialGraph = owner as GraphData;
            if (abstractMaterialGraph != null)
                abstractMaterialGraph.CollectShaderProperties(shaderProperties, mode);

            foreach (var activeNode in activeNodeList.OfType<AbstractMaterialNode>())
                activeNode.CollectShaderProperties(shaderProperties, mode);

            var finalShader = new ShaderStringBuilder();
            finalShader.AppendLine(@"Shader ""{0}""", outputName);
            using (finalShader.BlockScope())
            {
                finalShader.AppendLine("Properties");
                using (finalShader.BlockScope())
                {
                    finalShader.AppendLine(shaderProperties.GetPropertiesBlock(0));
                }

                foreach (var subShader in m_SubShaders)
                {
                    if (mode != GenerationMode.Preview || subShader.IsPipelineCompatible(GraphicsSettings.renderPipelineAsset))
                        finalShader.AppendLines(subShader.GetSubshader(this, mode, sourceAssetDependencyPaths));
                }

                finalShader.AppendLine(@"FallBack ""Hidden/InternalErrorShader""");
            }
            configuredTextures = shaderProperties.GetConfiguredTexutres();
            return finalShader.ToString();
        }
        public override string GetShader(GenerationMode mode, string outputName, out List <PropertyCollector.TextureInfo> configuredTextures)
        {
            var activeNodeList = ListPool <INode> .Get();

            NodeUtils.DepthFirstCollectNodesFromNode(activeNodeList, this);

            var shaderProperties = new PropertyCollector();

            var abstractMaterialGraph = owner as AbstractMaterialGraph;

            if (abstractMaterialGraph != null)
            {
                abstractMaterialGraph.CollectShaderProperties(shaderProperties, mode);
            }

            foreach (var activeNode in activeNodeList.OfType <AbstractMaterialNode>())
            {
                activeNode.CollectShaderProperties(shaderProperties, mode);
            }

            var finalShader = new ShaderGenerator();

            finalShader.AddShaderChunk(string.Format(@"Shader ""{0}""", outputName), false);
            finalShader.AddShaderChunk("{", false);
            finalShader.Indent();

            finalShader.AddShaderChunk("Properties", false);
            finalShader.AddShaderChunk("{", false);
            finalShader.Indent();
            finalShader.AddShaderChunk(shaderProperties.GetPropertiesBlock(2), false);
            finalShader.Deindent();
            finalShader.AddShaderChunk("}", false);

            var lwSub = new LightWeightUnlitSubShader();

            finalShader.AddShaderChunk(lwSub.GetSubshader(this, mode), true);

            //Disable HD for now as there is no mapping
            // for many inputs like worldSpaceNormal and similar

            /*var hdSub = new HDUnlitSubShader();
             * finalShader.AddShaderChunk(hdSub.GetSubshader(this, mode), true);*/

            finalShader.Deindent();
            finalShader.AddShaderChunk("}", false);

            configuredTextures = shaderProperties.GetConfiguredTexutres();
            return(finalShader.GetShaderString(0));
        }
Exemple #3
0
        public override string GetShader(GenerationMode mode, string outputName, out List <PropertyCollector.TextureInfo> configuredTextures)
        {
            var activeNodeList = ListPool <INode> .Get();

            NodeUtils.DepthFirstCollectNodesFromNode(activeNodeList, this);

            var shaderProperties = new PropertyCollector();

            var abstractMaterialGraph = owner as AbstractMaterialGraph;

            if (abstractMaterialGraph != null)
            {
                abstractMaterialGraph.CollectShaderProperties(shaderProperties, mode);
            }

            foreach (var activeNode in activeNodeList.OfType <AbstractMaterialNode>())
            {
                activeNode.CollectShaderProperties(shaderProperties, mode);
            }

            var finalShader = new ShaderGenerator();

            finalShader.AddShaderChunk(string.Format(@"Shader ""{0}""", outputName), false);
            finalShader.AddShaderChunk("{", false);
            finalShader.Indent();

            finalShader.AddShaderChunk("Properties", false);
            finalShader.AddShaderChunk("{", false);
            finalShader.Indent();
            finalShader.AddShaderChunk(shaderProperties.GetPropertiesBlock(2), false);
            finalShader.Deindent();
            finalShader.AddShaderChunk("}", false);

            var lwSub = new LightWeightPBRSubShader();

            foreach (var subshader in lwSub.GetSubshader(this, mode))
            {
                finalShader.AddShaderChunk(subshader, true);
            }

            finalShader.Deindent();
            finalShader.AddShaderChunk("}", false);

            configuredTextures = shaderProperties.GetConfiguredTexutres();
            return(finalShader.GetShaderString(0));
        }
        public string GetShader(GenerationMode mode, string outputName, out List <PropertyCollector.TextureInfo> configuredTextures)
        {
            var activeNodeList = ListPool <INode> .Get();

            NodeUtils.DepthFirstCollectNodesFromNode(activeNodeList, this);

            var shaderProperties = new PropertyCollector();

            var abstractMaterialGraph = owner as AbstractMaterialGraph;

            if (abstractMaterialGraph != null)
            {
                abstractMaterialGraph.CollectShaderProperties(shaderProperties, mode);
            }

            foreach (var activeNode in activeNodeList.OfType <AbstractMaterialNode>())
            {
                activeNode.CollectShaderProperties(shaderProperties, mode);
            }

            var finalShader = new ShaderStringBuilder();

            finalShader.AppendLine(@"Shader ""{0}""", outputName);
            using (finalShader.BlockScope())
            {
                finalShader.AppendLine("Properties");
                using (finalShader.BlockScope())
                {
                    finalShader.AppendLine(shaderProperties.GetPropertiesBlock(0));
                }

                foreach (var subShader in m_SubShaders)
                {
                    finalShader.AppendLines(subShader.GetSubshader(this, mode));
                }

                finalShader.AppendLine(@"FallBack ""Hidden/InternalErrorShader""");
            }
            configuredTextures = shaderProperties.GetConfiguredTexutres();
            return(finalShader.ToString());
        }
        public static GenerationResults GetShader(this AbstractMaterialGraph graph, AbstractMaterialNode node, GenerationMode mode, string name)
        {
            var  results = new GenerationResults();
            bool isUber  = node == null;

            var vertexInputs = new ShaderGenerator();
            var vertexShader = new ShaderGenerator();
            var surfaceDescriptionFunction = new ShaderGenerator();
            var surfaceDescriptionStruct   = new ShaderGenerator();
            var functionBuilder            = new ShaderStringBuilder();
            var functionRegistry           = new FunctionRegistry(functionBuilder);
            var surfaceInputs = new ShaderGenerator();

            surfaceInputs.AddShaderChunk("struct SurfaceInputs{", false);
            surfaceInputs.Indent();

            var activeNodeList = ListPool <INode> .Get();

            if (isUber)
            {
                var unmarkedNodes = graph.GetNodes <INode>().Where(x => !(x is IMasterNode)).ToDictionary(x => x.guid);
                while (unmarkedNodes.Any())
                {
                    var unmarkedNode = unmarkedNodes.FirstOrDefault();
                    Visit(activeNodeList, unmarkedNodes, unmarkedNode.Value);
                }
            }
            else
            {
                NodeUtils.DepthFirstCollectNodesFromNode(activeNodeList, node);
            }

            var requirements = ShaderGraphRequirements.FromNodes(activeNodeList);

            GenerateApplicationVertexInputs(requirements, vertexInputs);
            ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(requirements.requiresNormal, InterpolatorType.Normal, surfaceInputs);
            ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(requirements.requiresTangent, InterpolatorType.Tangent, surfaceInputs);
            ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(requirements.requiresBitangent, InterpolatorType.BiTangent, surfaceInputs);
            ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(requirements.requiresViewDir, InterpolatorType.ViewDirection, surfaceInputs);
            ShaderGenerator.GenerateSpaceTranslationSurfaceInputs(requirements.requiresPosition, InterpolatorType.Position, surfaceInputs);

            if (requirements.requiresVertexColor)
            {
                surfaceInputs.AddShaderChunk(String.Format("float4 {0};", ShaderGeneratorNames.VertexColor), false);
            }

            if (requirements.requiresScreenPosition)
            {
                surfaceInputs.AddShaderChunk(String.Format("float4 {0};", ShaderGeneratorNames.ScreenPosition), false);
            }

            results.previewMode = PreviewMode.Preview3D;
            if (!isUber)
            {
                foreach (var pNode in activeNodeList.OfType <AbstractMaterialNode>())
                {
                    if (pNode.previewMode == PreviewMode.Preview3D)
                    {
                        results.previewMode = PreviewMode.Preview3D;
                        break;
                    }
                }
            }

            foreach (var channel in requirements.requiresMeshUVs.Distinct())
            {
                surfaceInputs.AddShaderChunk(String.Format("half4 {0};", channel.GetUVName()), false);
            }

            surfaceInputs.Deindent();
            surfaceInputs.AddShaderChunk("};", false);

            vertexShader.AddShaderChunk("GraphVertexInput PopulateVertexData(GraphVertexInput v){", false);
            vertexShader.Indent();
            vertexShader.AddShaderChunk("return v;", false);
            vertexShader.Deindent();
            vertexShader.AddShaderChunk("}", false);

            var slots = new List <MaterialSlot>();

            foreach (var activeNode in isUber ? activeNodeList.Where(n => ((AbstractMaterialNode)n).hasPreview) : ((INode)node).ToEnumerable())
            {
                if (activeNode is IMasterNode)
                {
                    slots.AddRange(activeNode.GetInputSlots <MaterialSlot>());
                }
                else
                {
                    slots.AddRange(activeNode.GetOutputSlots <MaterialSlot>());
                }
            }
            GenerateSurfaceDescriptionStruct(surfaceDescriptionStruct, slots, !isUber);

            var shaderProperties = new PropertyCollector();

            results.outputIdProperty = new Vector1ShaderProperty
            {
                displayName           = "OutputId",
                generatePropertyBlock = false,
                value = -1
            };
            if (isUber)
            {
                shaderProperties.AddShaderProperty(results.outputIdProperty);
            }

            GenerateSurfaceDescription(
                activeNodeList,
                node,
                graph,
                surfaceDescriptionFunction,
                functionRegistry,
                shaderProperties,
                requirements,
                mode,
                outputIdProperty: results.outputIdProperty);

            var finalBuilder = new ShaderStringBuilder();

            finalBuilder.AppendLine(@"Shader ""{0}""", name);
            using (finalBuilder.BlockScope())
            {
                finalBuilder.AppendLine("Properties");
                using (finalBuilder.BlockScope())
                {
                    finalBuilder.AppendLines(shaderProperties.GetPropertiesBlock(0));
                }

                finalBuilder.AppendLine(@"HLSLINCLUDE");
                finalBuilder.AppendLine("#define USE_LEGACY_UNITY_MATRIX_VARIABLES");
                finalBuilder.AppendLine(@"#include ""CoreRP/ShaderLibrary/Common.hlsl""");
                finalBuilder.AppendLine(@"#include ""CoreRP/ShaderLibrary/Packing.hlsl""");
                finalBuilder.AppendLine(@"#include ""CoreRP/ShaderLibrary/Color.hlsl""");
                finalBuilder.AppendLine(@"#include ""CoreRP/ShaderLibrary/UnityInstancing.hlsl""");
                finalBuilder.AppendLine(@"#include ""CoreRP/ShaderLibrary/EntityLighting.hlsl""");
                finalBuilder.AppendLine(@"#include ""ShaderGraphLibrary/ShaderVariables.hlsl""");
                finalBuilder.AppendLine(@"#include ""ShaderGraphLibrary/ShaderVariablesFunctions.hlsl""");
                finalBuilder.AppendLine(@"#include ""ShaderGraphLibrary/Functions.hlsl""");

                finalBuilder.AppendLines(shaderProperties.GetPropertiesDeclaration(0));
                finalBuilder.AppendLines(surfaceInputs.GetShaderString(0));
                finalBuilder.Concat(functionBuilder);
                finalBuilder.AppendLines(vertexInputs.GetShaderString(0));
                finalBuilder.AppendLines(surfaceDescriptionStruct.GetShaderString(0));
                finalBuilder.AppendLines(vertexShader.GetShaderString(0));
                finalBuilder.AppendLines(surfaceDescriptionFunction.GetShaderString(0));
                finalBuilder.AppendLine(@"ENDHLSL");

                finalBuilder.AppendLines(ShaderGenerator.GetPreviewSubShader(node, requirements));
                ListPool <INode> .Release(activeNodeList);
            }

            results.configuredTextures = shaderProperties.GetConfiguredTexutres();
            ShaderSourceMap sourceMap;

            results.shader    = finalBuilder.ToString(out sourceMap);
            results.sourceMap = sourceMap;
            return(results);
        }