internal IEnumerable <ASLShaderVariable> GetOutputs()
{
foreach (var field in _shader.Fields)
{
if (field.HasCustomAttributes)
{
var attrs = field.CustomAttributes.Where(a => a.AttributeType.IsOut() && !a.AttributeType.IsBuiltIn());
if (attrs.Count() > 0)
{
var attr = attrs.First();
var type = GLSL.ToGLSL(field.FieldType);
var isArray = field.FieldType.IsArray;
var arrayAttr = field.CustomAttributes.Where(a => a.AttributeType.Is <ArraySizeAttribute>());
var arraySize = (isArray && arrayAttr.Count() > 0 && arrayAttr.First().HasConstructorArguments) ? arrayAttr.First().ConstructorArguments.First().Value.ToString() : string.Empty;
var name = field.Name;
var commentAttr = field.CustomAttributes.Where(a => a.AttributeType.Is <CommentAttribute>());
var u_comment = (commentAttr.Count() > 0 && commentAttr.First().HasConstructorArguments) ? commentAttr.First().ConstructorArguments.First().Value.ToString() : string.Empty;
var d_comment = DebugMode ? field.DeclaringType.FullName + "." + field.Name : string.Empty;
var layoutAttr = (this is FragmentShader) ? field.CustomAttributes.Where(a => a.AttributeType.Is <FragmentShader.LayoutAttribute>()) :
((this is GeometryShader) ? field.CustomAttributes.Where(a => a.AttributeType.Is <GeometryShader.LayoutAttribute>()) : null);
var layout = (layoutAttr != null && layoutAttr.Count() > 0) ? layoutAttr.First() : null;
yield return(new ASLShaderVariable(type, isArray, arraySize, name, u_comment, d_comment, attr.AttributeType, layout));
}
}
}
}
public static string ToGLSLParamType(ParameterDefinition p)
{
var t = GLSL.ToGLSL(p.ParameterType.Resolve());
if (p.ParameterType.IsByReference)
{
return((p.IsOut ? "out " : "inout ") + t);
}
return(t);
}
internal static string GetSignature(MethodDefinition m)
{
var arraySize = string.Empty;
if (m.ReturnType.IsArray && m.MethodReturnType.HasCustomAttributes)
{
var attr = m.MethodReturnType.CustomAttributes.Where(a => a.AttributeType.Is <ArraySizeAttribute>()).First();
arraySize = attr.ConstructorArguments.First().Value.ToString();
}
return(GLSL.ToGLSL(m.ReturnType) + (m.ReturnType.IsArray ? "[" + arraySize + "]" : string.Empty)
+ " " +
m.Name + "(" + GetParameterString(m) + ")");
}
internal IEnumerable <ASLShaderStruct> GetStructures()
{
foreach (var structure in _shader.NestedTypes)
{
var isInterfaceBlock = structure.HasCustomAttributes && structure.HasAttribute <InterfaceBlockAttribute>();
TypeReference interfaceBlockType = null;
if (isInterfaceBlock)
{
var attrs = structure.CustomAttributes.Where(a => a.AttributeType.IsIn() || a.AttributeType.IsOut() || a.AttributeType.IsUniform());
if (attrs.Count() == 0)
{
throw new ASLException("ASL Error: An interface block have to have a qualifier which can be in, out or uniform.");
}
if (attrs.Count() > 1)
{
throw new ASLException("ASL Error: An interface block have to have only one qualifier, which can be in, out or uniform.");
}
interfaceBlockType = attrs.First().AttributeType;
}
List <ASLShaderVariable> fields = new List <ASLShaderVariable>();
foreach (var field in structure.Fields)
{
var type = GLSL.ToGLSL(field.FieldType);
var isArray = field.FieldType.IsArray;
var arrayAttr = field.CustomAttributes.Where(a => a.AttributeType.Is <ArraySizeAttribute>());
var arraySize = (isArray && arrayAttr.Count() > 0 && arrayAttr.First().HasConstructorArguments) ? arrayAttr.First().ConstructorArguments.First().Value.ToString() : string.Empty;
var name = field.Name;
var commentAttr = field.CustomAttributes.Where(a => a.AttributeType.Is <CommentAttribute>());
var u_comment = (commentAttr.Count() > 0 && commentAttr.First().HasConstructorArguments) ? commentAttr.First().ConstructorArguments.First().Value.ToString() : string.Empty;
var d_comment = DebugMode ? field.DeclaringType.FullName + "." + field.Name : string.Empty;
TypeReference attrType = null;
if (isInterfaceBlock)
{
var attrs = field.CustomAttributes.Where(a => a.AttributeType.IsIn() || a.AttributeType.IsOut() || a.AttributeType.IsUniform());
if (attrs.Count() > 1)
{
throw new ASLException("ASL Error: An interface block member have to have only one qualifier, which can be in, out or uniform, according to the interface block qualifier.");
}
if (attrs.Count() > 0)
{
if ((interfaceBlockType.IsIn() && (attrs.First().AttributeType.IsOut() || attrs.First().AttributeType.IsUniform())) || (interfaceBlockType.IsUniform() && (attrs.First().AttributeType.IsOut() || attrs.First().AttributeType.IsIn())) || (interfaceBlockType.IsOut() && (attrs.First().AttributeType.IsIn() || attrs.First().AttributeType.IsUniform())))
{
throw new ASLException("ASL Error: An interface block member have to have (if he has one) a similar qualifier than the interface block.");
}
attrType = attrs.First().AttributeType;
}
}
var varLayoutAttr = (this is VertexShader) ? field.CustomAttributes.Where(a => a.AttributeType.Is <VertexShader.LayoutAttribute>()) :
((this is FragmentShader) ? field.CustomAttributes.Where(a => a.AttributeType.Is <FragmentShader.LayoutAttribute>()) :
((this is GeometryShader) ? field.CustomAttributes.Where(a => a.AttributeType.Is <GeometryShader.LayoutAttribute>()) : null));
var varLayout = (varLayoutAttr != null && varLayoutAttr.Count() > 0) ? varLayoutAttr.First() : null;
fields.Add(new ASLShaderVariable(type, isArray, arraySize, name, u_comment, d_comment, attrType, varLayout));
}
var layoutAttr = (this is VertexShader) ? structure.CustomAttributes.Where(a => a.AttributeType.Is <VertexShader.LayoutAttribute>()) :
((this is FragmentShader) ? structure.CustomAttributes.Where(a => a.AttributeType.Is <FragmentShader.LayoutAttribute>()) :
((this is GeometryShader) ? structure.CustomAttributes.Where(a => a.AttributeType.Is <GeometryShader.LayoutAttribute>()) : null));
var layout = (layoutAttr != null && layoutAttr.Count() > 0) ? layoutAttr.First() : null;
yield return(new ASLShaderStruct(structure.Name, isInterfaceBlock, interfaceBlockType, fields, layout));
}
}
public override StringBuilder VisitMemberType(MemberType memberType, int data)
{
return(new StringBuilder(GLSL.ToGLSL(memberType.Annotation <TypeReference>())));
}
public static void ValidateType(TypeReference t)
{
GLSL.ToGLSL(t); // throws if t is not valid
}
