public override void VisitPropertyDeclaration(PropertyDeclarationSyntax node)
{
var propertySymbol = GetDeclaredSymbol(node) as IPropertySymbol;
var attributes = mFrontEnd.ParseAttributes(propertySymbol);
foreach (var fieldAttribute in propertySymbol.GetAttributes())
{
var attributeName = TypeAliases.GetFullTypeName(fieldAttribute.AttributeClass);
var processor = SpecialResolvers.FieldProcessors.GetValueOrDefault(attributeName);
processor?.Invoke(mFrontEnd, propertySymbol.ContainingType, propertySymbol, fieldAttribute);
}
}
public bool TryProcessIntrinsicMethod(FrontEndTranslator translator, IMethodSymbol methodSymbol)
{
foreach (var fieldAttribute in methodSymbol.GetAttributes())
{
var attributeName = TypeAliases.GetFullTypeName(fieldAttribute.AttributeClass);
var processor = MethodProcessors.GetValueOrDefault(attributeName);
if (processor != null)
{
processor?.Invoke(translator, methodSymbol.ContainingType, methodSymbol, fieldAttribute);
return(true);
}
}
return(false);
}
public override void VisitFieldDeclaration(FieldDeclarationSyntax node)
{
foreach (var variable in node.Declaration.Variables)
{
var fieldSymbol = GetDeclaredSymbol(variable) as IFieldSymbol;
var attributes = mFrontEnd.ParseAttributes(fieldSymbol);
foreach (var fieldAttribute in fieldSymbol.GetAttributes())
{
var attributeName = TypeAliases.GetFullTypeName(fieldAttribute.AttributeClass);
var processor = SpecialResolvers.FieldProcessors.GetValueOrDefault(attributeName);
processor?.Invoke(mFrontEnd, fieldSymbol.ContainingType, fieldSymbol, fieldAttribute);
}
}
}
public ShaderType CreatePrimitiveShaderType(INamedTypeSymbol typeSymbol, ShaderAttributes attributes)
{
ShaderType shaderType = null;
// If there's a special resolver for this type then use that to get the shader type
foreach (var attribute in typeSymbol.GetAttributes())
{
var attributeName = TypeAliases.GetFullTypeName(attribute.AttributeClass);
var processor = SpecialResolvers.SpecialTypeCreationAttributeProcessors.GetValueOrDefault(attributeName);
shaderType = processor?.Invoke(mFrontEnd, typeSymbol, attribute);
if (shaderType != null)
{
return(shaderType);
}
}
throw new Exception("Failed to create primitive");
}
public static ImageIntrinsicAttributeData Parse(AttributeData attribute, int defaultOperandsLocation = -1)
{
if (attribute.ConstructorArguments.Length == 0)
{
return(null);
}
ImageIntrinsicAttributeData result = new ImageIntrinsicAttributeData();
result.OperandsLocation = defaultOperandsLocation;
// Load the attribute params if they exist. Note: This isn't really safe, but works for now.
foreach (var attributeParam in attribute.ConstructorArguments)
{
var argName = TypeAliases.GetTypeName(attributeParam.Type);
if (argName == TypeAliases.GetTypeName <string>())
{
result.OpType = (OpInstructionType)Enum.Parse(typeof(OpInstructionType), attributeParam.Value as string, true);
}
else if (argName == TypeAliases.GetTypeName <Shader.ImageOperands>())
{
result.Operands = (Shader.ImageOperands)attributeParam.Value;
}
else if (argName == TypeAliases.GetTypeName <UInt32>())
{
result.OperandsLocation = (int)(UInt32)attributeParam.Value;
}
}
// Also try to resolve any named parameter arguments
foreach (var pair in attribute.NamedArguments)
{
if (pair.Key == "OpName")
{
result.OpType = (OpInstructionType)Enum.Parse(typeof(OpInstructionType), pair.Value.Value as string, true);
}
else if (pair.Key == "Operands")
{
result.Operands = (Shader.ImageOperands)pair.Value.Value;
}
else if (pair.Key == "OperandsLocation")
{
result.OperandsLocation = (int)pair.Value.Value;
}
}
return(result);
}
public override void VisitStructDeclaration(StructDeclarationSyntax node)
{
var structSymbol = GetDeclaredSymbol(node) as INamedTypeSymbol;
var attributes = mFrontEnd.ParseAttributes(structSymbol);
// If the type has a special primitive attribute then queue it up for processing
foreach (var attribute in structSymbol.GetAttributes())
{
int priority = 0;
var attributeName = TypeAliases.GetFullTypeName(attribute.AttributeClass);
if (PrimitiveAttributePriorities.TryGetValue(attributeName, out priority))
{
var data = new PrimitiveData();
data.Priority = priority;
data.Node = node;
data.StructSymbol = structSymbol;
PrimitivesToProcess.Add(data);
}
}
}
public SpecialResolvers()
{
// Setup a few special processing functors here
SpecialTypeCreationAttributeProcessors.Add(TypeAliases.GetFullTypeName <Math.IntegerPrimitive>(), IntegerResolvers.ProcessIntegerType);
SpecialTypeCreationAttributeProcessors.Add(TypeAliases.GetFullTypeName <Math.FloatPrimitive>(), FloatResolvers.ProcessFloatType);
SpecialTypeCreationAttributeProcessors.Add(TypeAliases.GetFullTypeName <Math.VectorPrimitive>(), VectorResolvers.ProcessVectorType);
SpecialTypeCreationAttributeProcessors.Add(TypeAliases.GetFullTypeName <Math.MatrixPrimitive>(), MatrixResolvers.ProcessMatrixType);
SpecialTypeCreationAttributeProcessors.Add(TypeAliases.GetFullTypeName <Math.FixedArrayPrimitive>(), FixedArrayResolver.ProcessFixedArrayType);
SpecialTypeCreationAttributeProcessors.Add(TypeAliases.GetFullTypeName <Shader.SamplerPrimitive>(), SamplerResolvers.ProcessSamplerType);
SpecialTypeCreationAttributeProcessors.Add(TypeAliases.GetFullTypeName <Shader.ImagePrimitive>(), ImageResolvers.ProcessImageType);
SpecialTypeCreationAttributeProcessors.Add(TypeAliases.GetFullTypeName <Shader.SampledImagePrimitive>(), SampledSamplerResolvers.ProcessSampledImageType);
FieldProcessors.Add(TypeAliases.GetFullTypeName <Math.Swizzle>(), VectorResolvers.ProcessVectorSwizzle);
MethodProcessors.Add(TypeAliases.GetFullTypeName <Shader.SimpleIntrinsicFunction>(), CreateSimpleIntrinsicType);
MethodProcessors.Add(TypeAliases.GetFullTypeName <Shader.ArrayGetIntrinsic>(), CreateArrayGetType);
MethodProcessors.Add(TypeAliases.GetFullTypeName <Shader.ArraySetIntrinsic>(), CreateArraySetType);
MethodProcessors.Add(TypeAliases.GetFullTypeName <Math.CompositeConstruct>(), CreateCompositeConstructIntrinsic);
MethodProcessors.Add(TypeAliases.GetFullTypeName <Shader.SampledImageIntrinsicFunction>(), SampledImageIntrinsicResolvers.CreateSampledImageIntrinsicFunction);
MethodProcessors.Add(TypeAliases.GetFullTypeName <Shader.ImageIntrinsicFunction>(), ImageIntrinsicResolvers.CreateImageIntrinsicFunction);
MethodProcessors.Add(TypeAliases.GetFullTypeName <Shader.SimpleExtensionIntrinsic>(), ExtensionIntrinsicResolvers.ProcessSimpleExtensionIntrinsic);
}
public ShaderType CreatePrimitive(Type type, OpType opType)
{
return(CreatePrimitive(type, opType, TypeAliases.GetTypeName(type)));
}
public ShaderAttribute FindFirstAttribute(Type attributeType)
{
return(FindFirstAttribute(TypeAliases.GetTypeName(attributeType)));
}
public ShaderAttribute Add(Type attributeType)
{
return(Add(new ShaderAttribute {
Name = TypeAliases.GetTypeName(attributeType)
}));
}
public void ForeachAttribute(Type attributeType, AttributeCallback callback)
{
ForeachAttribute(TypeAliases.GetTypeName(attributeType), callback);
}
public static ShaderType ProcessImageType(FrontEndTranslator translator, INamedTypeSymbol typeSymbol, AttributeData attribute)
{
ShaderType sampledType = null;
Shader.ImageDimension dimension = Shader.ImageDimension.Dim2D;
Shader.ImageDepthMode depthMode = Shader.ImageDepthMode.None;
Shader.ImageArrayedMode arrayedMode = Shader.ImageArrayedMode.None;
Shader.ImageMultiSampledMode multiSampledMode = Shader.ImageMultiSampledMode.SingleSampled;
Shader.ImageSampledMode sampledMode = Shader.ImageSampledMode.Sampling;
Shader.ImageFormat imageFormat = Shader.ImageFormat.Unknown;
// Load all constructor args by type.
foreach (var argument in attribute.ConstructorArguments)
{
var argName = TypeAliases.GetTypeName(argument.Type);
if (argName == TypeAliases.GetTypeName <Type>())
{
sampledType = translator.FindType(new TypeKey(argument.Value as ITypeSymbol));
}
else if (argName == TypeAliases.GetTypeName <Shader.ImageDimension>())
{
dimension = (Shader.ImageDimension)argument.Value;
}
else if (argName == TypeAliases.GetTypeName <Shader.ImageDepthMode>())
{
depthMode = (Shader.ImageDepthMode)argument.Value;
}
else if (argName == TypeAliases.GetTypeName <Shader.ImageArrayedMode>())
{
arrayedMode = (Shader.ImageArrayedMode)argument.Value;
}
else if (argName == TypeAliases.GetTypeName <Shader.ImageMultiSampledMode>())
{
multiSampledMode = (Shader.ImageMultiSampledMode)argument.Value;
}
else if (argName == TypeAliases.GetTypeName <Shader.ImageSampledMode>())
{
sampledMode = (Shader.ImageSampledMode)argument.Value;
}
else if (argName == TypeAliases.GetTypeName <Shader.ImageFormat>())
{
imageFormat = (Shader.ImageFormat)argument.Value;
}
}
// Handle named arguments
foreach (var pair in attribute.NamedArguments)
{
if (pair.Key == "SampledType")
{
sampledType = translator.FindType(new TypeKey(pair.Value.Value as ITypeSymbol));
}
else if (pair.Key == "Dimension")
{
dimension = (Shader.ImageDimension)pair.Value.Value;
}
else if (pair.Key == "DepthMode")
{
depthMode = (Shader.ImageDepthMode)pair.Value.Value;
}
else if (pair.Key == "ArrayedMode")
{
arrayedMode = (Shader.ImageArrayedMode)pair.Value.Value;
}
else if (pair.Key == "MultiSampledMode")
{
multiSampledMode = (Shader.ImageMultiSampledMode)pair.Value.Value;
}
else if (pair.Key == "SampledMode")
{
sampledMode = (Shader.ImageSampledMode)pair.Value.Value;
}
else if (pair.Key == "ImageFormat")
{
imageFormat = (Shader.ImageFormat)pair.Value.Value;
}
}
// Validate input type. SpirV spec says: "Sampled Type is the type of the components that result
// from sampling or reading from this image type. Must be ascalar numerical type or OpTypeVoid"
if (sampledType == null || (sampledType.mBaseType != OpType.Bool && sampledType.mBaseType != OpType.Int && sampledType.mBaseType != OpType.Float && sampledType.mBaseType != OpType.Void))
{
throw new Exception();
}
var shaderType = translator.CreateType(typeSymbol, OpType.Image);
shaderType.mParameters.Add(sampledType);
shaderType.mParameters.Add(translator.CreateConstantLiteral((UInt32)dimension));
shaderType.mParameters.Add(translator.CreateConstantLiteral((UInt32)depthMode));
shaderType.mParameters.Add(translator.CreateConstantLiteral((UInt32)arrayedMode));
shaderType.mParameters.Add(translator.CreateConstantLiteral((UInt32)multiSampledMode));
shaderType.mParameters.Add(translator.CreateConstantLiteral((UInt32)sampledMode));
shaderType.mParameters.Add(translator.CreateConstantLiteral((UInt32)imageFormat));
shaderType.mStorageClass = StorageClass.UniformConstant;
return(shaderType);
}
public bool IsValidClassDeclaration(ClassDeclarationSyntax node)
{
var symbol = GetDeclaredSymbol(node) as ITypeSymbol;
return(TypeAliases.GetTypeName(symbol.BaseType) == TypeAliases.GetTypeName <Attribute>());
}
public ShaderType CreateType(ISymbol symbol, OpType opType)
{
return(CreateType(new TypeKey(symbol), TypeAliases.GetTypeName(symbol), opType, symbol));
}
public ShaderAttributes ParseAttributes(ISymbol symbol)
{
var shaderAttributes = new ShaderAttributes();
foreach (var attribute in symbol.GetAttributes())
{
var shaderAttribute = new ShaderAttribute();
shaderAttributes.Add(shaderAttribute);
shaderAttribute.Name = TypeAliases.GetTypeName(attribute.AttributeClass);
shaderAttribute.Attribute = attribute;
foreach (var argument in attribute.ConstructorArguments)
{
var shaderAttributeParam = new ShaderAttributeParameter();
shaderAttribute.Parameters.Add(shaderAttributeParam);
if (argument.Kind != TypedConstantKind.Array)
{
shaderAttributeParam.Value = argument.Value;
}
}
foreach (var argument in attribute.NamedArguments)
{
var shaderAttributeParam = new ShaderAttributeParameter();
shaderAttribute.Parameters.Add(shaderAttributeParam);
shaderAttributeParam.Name = argument.Key;
shaderAttributeParam.Value = argument.Value.Value;
}
if (TypeAliases.GetFullTypeName(attribute.AttributeClass) == TypeAliases.GetFullTypeName <Shader.Input>())
{
var inputAttributes = new List <TypeName>
{
TypeAliases.GetTypeName <Shader.FragmentInput>(),
TypeAliases.GetTypeName <Shader.StageInput>(),
TypeAliases.GetTypeName <Shader.AppBuiltInInput>(),
TypeAliases.GetTypeName <Shader.HardwareBuiltInInput>(),
TypeAliases.GetTypeName <Shader.PropertyInput>(),
};
foreach (var inputAttribute in inputAttributes)
{
var clone = shaderAttribute.Clone();
clone.Name = inputAttribute;
shaderAttributes.Add(clone);
}
}
if (TypeAliases.GetFullTypeName(attribute.AttributeClass) == TypeAliases.GetFullTypeName <Shader.Output>())
{
var outputAttributes = new List <TypeName>
{
TypeAliases.GetTypeName <Shader.FragmentOutput>(),
TypeAliases.GetTypeName <Shader.StageOutput>(),
TypeAliases.GetTypeName <Shader.HardwareBuiltInOutput>(),
};
foreach (var outputAttribute in outputAttributes)
{
var clone = shaderAttribute.Clone();
clone.Name = outputAttribute;
shaderAttributes.Add(clone);
}
}
}
return(shaderAttributes);
}
public TypeKey(Type type)
{
mKey = TypeAliases.GetFullTypeName(type);
}
public TypeKey(ISymbol symbol)
{
mKey = TypeAliases.GetFullTypeName(symbol);
}