public void Generate(CodeWriter writer, IntrinsicDescription intrinsic)
{
LocalVariableNamesByType.Clear();
StaticVariableTypes.Clear();
GenerateLocalAndStaticVariables(intrinsic);
writer.WriteIndentedLine("[Shader.UnitTest][Shader.Pixel]");
writer.WriteIndentation();
writer.Write("struct ");
writer.Write(intrinsic.IntrinsicName);
writer.WriteLine("Test");
writer.BeginScope();
DeclareStaticVariables(writer, intrinsic);
writer.WriteIndentedLine("[Shader.EntryPoint]");
writer.WriteIndentedLine("public void Main()");
writer.BeginScope();
DeclareLocalVariables(writer, intrinsic);
foreach (var signature in intrinsic.Signatures)
{
Generate(writer, intrinsic, signature);
}
writer.EndScope();
writer.EndScope();
}
public void Generate(IntrinsicDescription intrinsic, IntrinsicSignature signature)
{
WriteComments(intrinsic, signature);
Writer.WriteIndentation();
// If this intrinsic is disabled, comment it out
if (intrinsic.Disabled)
{
Writer.Write("//");
}
WriteAttributes(intrinsic, signature);
Writer.Write(signature.Qualifiers);
Writer.Write(" ");
Writer.Write(signature.ReturnTypeName.ToString());
Writer.Write(" ");
Writer.Write(intrinsic.FunctionName);
Writer.Write("(");
for (var i = 0; i < signature.Parameters.Count; ++i)
{
var param = signature.Parameters[i];
Writer.Write(param.GetDeclaration());
if (i != signature.Parameters.Count - 1)
{
Writer.Write(", ");
}
}
Writer.Write(");\n");
}
void DeclareLocalVariables(CodeWriter writer, IntrinsicDescription intrinsic)
{
foreach (var pair in LocalVariableNamesByType)
{
writer.WriteIndentation();
writer.DeclareVariable(pair.Value, GenerateDefaultValue(pair.Key));
}
}
void DeclareStaticVariables(CodeWriter writer, IntrinsicDescription intrinsic)
{
foreach (var pair in StaticVariableTypes)
{
writer.WriteIndentation();
writer.DeclareMemberVariable("public static", pair.Key, pair.Value, null);
}
}
public void Generate(IntrinsicDescription intrinsic)
{
foreach (var signature in intrinsic.Signatures)
{
Generate(intrinsic, signature);
}
Writer.WriteLine();
}
public IntrinsicDescription Build(string intrinsicName, string functionName, IAttributesGenerator attributes)
{
var intrinsic = new IntrinsicDescription()
{
IntrinsicName = intrinsicName,
FunctionName = functionName,
Attributes = attributes
};
Intrinsics.Add(intrinsic);
return(intrinsic);
}
public void Generate(CodeWriter writer, IntrinsicDescription intrinsic, IntrinsicSignature signature)
{
writer.WriteIndentation();
writer.Write(GetVariableName(signature.ReturnTypeName));
writer.Write(" = Shader.Intrinsics.");
writer.Write(intrinsic.FunctionName);
writer.Write("(");
for (var i = 0; i < signature.Parameters.Count; ++i)
{
var param = signature.Parameters[i];
writer.Write(GetVariableName(param.TypeName));
if (i != signature.Parameters.Count - 1)
{
writer.Write(", ");
}
}
writer.WriteLine(");");
}
void WriteAttributes(IntrinsicDescription intrinsic, IntrinsicSignature signature)
{
string attributes = null;
if (signature.Attributes != null)
{
attributes = signature.Attributes.GetAttributes();
}
else if (intrinsic.Attributes != null)
{
attributes = intrinsic.Attributes.GetAttributes();
}
if (!string.IsNullOrEmpty(attributes))
{
Writer.Write(attributes);
Writer.Write(" ");
}
}
void WriteComments(IntrinsicDescription intrinsic, IntrinsicSignature signature)
{
List <string> comments = null;
if (signature.Comments != null)
{
comments = signature.Comments;
}
else
{
comments = intrinsic.Comments;
}
if (comments != null)
{
foreach (var comment in comments)
{
Writer.WriteIndentation();
Writer.Write("// ");
Writer.WriteLine(comment);
}
}
}
void GenerateLocalAndStaticVariables(IntrinsicDescription intrinsic)
{
var variableList = new List <TypeName>();
var variableSet = new HashSet <TypeName>();
AddTypeNameDelegate AddTypeName = (TypeName typeName, HashSet <TypeName> variableSet, List <TypeName> variableList) =>
{
if (variableSet.Contains(typeName))
{
return;
}
variableList.Add(typeName);
variableSet.Add(typeName);
};
foreach (var signature in intrinsic.Signatures)
{
AddTypeName(signature.ReturnTypeName, variableSet, variableList);
foreach (var param in signature.Parameters)
{
AddTypeName(param.TypeName, variableSet, variableList);
}
}
foreach (var varType in variableList)
{
var varName = GenerateLocalVariableName(varType);
if (varType.ForcedStatic)
{
StaticVariableTypes.Add(varType, varName);
}
else
{
LocalVariableNamesByType.Add(varType, varName);
}
}
}