Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_Preprocessor(std::string& a_TokenName)
{
AddLocalInstruction(Key(a_TokenName + "\n\t"), false, m_LastFunctionName);
Key tokenKey = a_TokenName;
if (tokenKey.Contains("define") || tokenKey.Contains("error"))
{
m_Database->AddDefine(tokenKey);
}
return SAVVY_OK;
}
void Savvy::Internal::ParserGLSL::HandleBuiltInVariable(Key& a_TokenName)
{
if (a_TokenName == "gl_Position")
{
Database::KeyList list;
list.push_back("vec4");
m_Database->AddOutputVariable(Key("gl_Position"), list);
}
else if (a_TokenName == "gl_PointSize")
{
Database::KeyList list;
list.push_back("float");
m_Database->AddOutputVariable(Key("gl_PointSize"), list);
}
else if (a_TokenName == "gl_FragColor")
{
Database::KeyList list;
list.push_back("vec4");
m_Database->AddOutputVariable(Key("gl_FragColor"), list);
}
else if (a_TokenName == "gl_FragCoord")
{
Database::KeyList list;
list.push_back("vec4");
m_Database->AddInputVariable(Key("gl_FragCoord"), list);
}
else if (a_TokenName == "gl_FrontFacing")
{
Database::KeyList list;
list.push_back("bool");
m_Database->AddInputVariable(Key("gl_FrontFacing"), list);
}
else if (a_TokenName == "gl_PointCoord")
{
Database::KeyList list;
list.push_back("vec2");
m_Database->AddInputVariable(Key("gl_PointCoord"), list);
}
else if (a_TokenName == "gl_FragDepth")
{
Database::KeyList list;
list.push_back("float");
m_Database->AddOutputVariable(Key("gl_FragDepth"), list);
}
else if (a_TokenName.Contains("gl_ClipDistance") || a_TokenName.Contains("gl_CullDistance"))
{
Database::KeyList list;
list.push_back("float");
m_Database->AddOutputVariable(a_TokenName, list);
}
}