public MethodProcessResult VisitFunction(MethodDeclarationSyntax node)
{
_containingTypeName = Utilities.GetFullNestedTypePrefix((SyntaxNode)node.Body ?? node.ExpressionBody, out bool _);
StringBuilder sb = new StringBuilder();
string blockResult;
// Visit block first in order to discover builtin variables.
if (node.Body != null)
{
blockResult = VisitBlock(node.Body);
}
else if (node.ExpressionBody != null)
{
blockResult = VisitArrowExpressionClause(node.ExpressionBody);
}
else
{
throw new NotSupportedException("Methods without bodies cannot be shader functions.");
}
string functionDeclStr = GetFunctionDeclStr();
if (_shaderFunction.Type == ShaderFunctionType.ComputeEntryPoint)
{
sb.AppendLine(_backend.GetComputeGroupCountsDeclaration(_shaderFunction.ComputeGroupCounts));
}
sb.AppendLine(functionDeclStr);
sb.AppendLine(blockResult);
return(new MethodProcessResult(sb.ToString(), _resourcesUsed));
}
public MethodProcessResult VisitFunction(BaseMethodDeclarationSyntax node)
{
_containingTypeName = Utilities.GetFullNestedTypePrefix((SyntaxNode)node.Body ?? node.ExpressionBody, out bool _);
StringBuilder sb = new StringBuilder();
string blockResult;
// Visit block first in order to discover builtin variables.
if (node.Body != null)
{
_lastVertexEmit = node.Body.Statements.FirstOrDefault();
blockResult = VisitBlock(node.Body);
}
else if (node.ExpressionBody != null)
{
_lastVertexEmit = node.ExpressionBody;
blockResult = VisitArrowExpressionClause(node.ExpressionBody);
}
else
{
throw new NotSupportedException("Methods without bodies cannot be shader functions.");
}
string functionDeclStr = GetFunctionDeclStr();
if (_shaderFunction.Type == ShaderFunctionType.ComputeEntryPoint)
{
sb.AppendLine(_backend.GetComputeGroupCountsDeclaration(_shaderFunction.ComputeGroupCounts));
}
sb.AppendLine(functionDeclStr);
sb.AppendLine(blockResult);
foreach (var stream in _emittedData)
{
foreach (var emission in stream.Value)
{
ITypeSymbol type;
if (emission is ILocalSymbol local)
{
type = local.Type;
}
else if (emission is IFieldSymbol field)
{
type = field.Type;
}
else
{
continue;
}
//_resourcesUsed.RemoveWhere(r => r.Name == emission.Name);
_resourcesUsed.Add(new ResourceDefinition(emission.Name, 0, stream.Key,
new TypeReference(type.GetFullMetadataName(), type),
ShaderResourceKind.Emit));
}
}
return(new MethodProcessResult(sb.ToString(), _resourcesUsed));
}
public MethodProcessResult VisitFunction(BlockSyntax node)
{
_containingTypeName = Utilities.GetFullNestedTypePrefix(node, out bool _);
StringBuilder sb = new StringBuilder();
string blockResult = VisitBlock(node); // Visit block first in order to discover builtin variables.
string functionDeclStr = GetFunctionDeclStr();
if (_shaderFunction.Type == ShaderFunctionType.ComputeEntryPoint)
{
sb.AppendLine(_backend.GetComputeGroupCountsDeclaration(_shaderFunction.ComputeGroupCounts));
}
sb.AppendLine(functionDeclStr);
sb.AppendLine(blockResult);
return(new MethodProcessResult(sb.ToString(), _resourcesUsed));
}