private ShaderDataTypeFull _parseShaderType()
{
var precision = ShaderPrecisionQualifier.None;
while (true)
{
var typeToken = _takeToken();
if (!(typeToken is TokenWord wordType))
{
throw new ShaderParseException("Expected type or precision", typeToken?.Position);
}
if (_shaderTypePrecisionMap.TryGetValue(wordType.Word, out var tmprc))
{
precision = tmprc;
continue;
}
if (_shaderTypeMap.TryGetValue(wordType.Word, out var ret))
{
var result = new ShaderDataTypeFull(ret, precision);
if (!result.TypePrecisionConsistent())
{
throw new ShaderParseException($"Type {ret} cannot accept precision {precision}", wordType.Position);
}
return(result);
}
throw new ShaderParseException("Expected type or precision", wordType.Position);
}
}
public ShaderFunctionDefinition(string name, ShaderDataTypeFull returnType,
IReadOnlyList <ShaderFunctionParameter> parameters, string body)
{
Name = name;
ReturnType = returnType;
Parameters = parameters;
Body = body;
}
public ShaderVaryingDefinition(string name, ShaderDataTypeFull type)
{
Name = name;
Type = type;
}
public ShaderFunctionParameter(string name, ShaderDataTypeFull type, ShaderParameterQualifiers qualifiers)
{
Name = name;
Type = type;
Qualifiers = qualifiers;
}
public ShaderConstantDefinition(string name, ShaderDataTypeFull type, string value)
{
Name = name;
Type = type;
Value = value;
}
public ShaderUniformDefinition(string name, ShaderDataTypeFull type, string?defaultValue)
{
Name = name;
Type = type;
DefaultValue = defaultValue;
}