private void DefineStruct(Type structType)
{
if (!DefineType(structType))
{
return;
}
AddGlobal(GlslAst.Struct(structType.Name,
from field in structType.GetGLFields()
let fi = GetArrayLen(field, field.FieldType)
select Ast.Fld(fi.Item1, field.Name, fi.Item2)));
}
private void DeclareVarying(MemberInfo member, Type memberType, GlslAst.VaryingKind kind)
{
if (!member.Name.StartsWith("<>"))
{
var ai = GetArrayLen(member, memberType);
var qualifiers = member.GetQualifiers();
var vary = GlslAst.Vary(kind, qualifiers, ai.Item1, member.Name, ai.Item2);
if (!(member.IsBuiltin() || member.IsDefined(typeof(OmitInGlslAttribute), true)))
{
AddGlobal(vary);
}
_globalVars.Add(member.Name, vary.Definition);
}
}
private void DeclareConstant(Type constType, string name, Expression value)
{
Ast.Constant con;
if (constType.IsArray)
{
var nai = value.Expect <NewArrayExpression> (ExpressionType.NewArrayInit);
con = Ast.Const(constType.GetElementType(), name, nai.Expressions.Count, Expr(value));
}
else
{
con = Ast.Const(constType, name, Expr(value));
}
_currentScope.CodeOut(GlslAst.DeclConst(con));
_constants.Add(name, con);
}
private void DeclareUniforms(Type type)
{
if (!DefineType(type))
{
return;
}
foreach (var field in type.GetUniforms())
{
var ai = GetArrayLen(field, field.FieldType.GetGenericArguments().Single());
if (ai.Item1.GetGLAttribute() is GLStruct)
{
DefineStruct(ai.Item1);
}
var unif = GlslAst.Unif(ai.Item1, field.Name, ai.Item2);
AddGlobal(unif);
_globalVars.Add(field.Name, unif.Definition);
}
}
protected override Ast.InitStruct InitStructure(Type type,
IEnumerable <Tuple <Ast.VariableRef, Ast.Expression> > initFields)
{
return(GlslAst.InitS(type, initFields));
}
protected override Ast.NewArray ArrayConstant(Type type, int count, IEnumerable <Ast.Expression> items)
{
return(GlslAst.Arr(type, count, items));
}