Function ProcessGlobalInputAttribute

shadercompiler/ParserUtils.cpp:1312–1346

}

bool ProcessGlobalInputAttribute( ParserState& state, ASTNode* func, std::vector<GlobalInputElement>& globalInput )
{
	if( auto attribs = func->GetChildOrNull( 2 ) )
	{
		for( auto& attrib : attribs->GetChildren() )
		{
			if( attrib->GetToken()->stringValue == "globalinput" )
			{
				if( !attrib->GetChildOrNull( 0 ) )
				{
					state.ShowMessage( attrib->GetToken()->fileLocation, EC_CUSTOM_ERROR, "Function annotation globalinput must have a string parameter with global input declarations" );
					return false;
				}
				auto input = ParseGlobalInput( state, *attrib->GetChildOrNull( 0 )->GetToken() );
				if( !input )
				{
					return false;
				}
				if( !globalInput.empty() )
				{
					if( globalInput != *input )
					{
						state.ShowMessage( attrib->GetToken()->fileLocation, EC_CUSTOM_ERROR, "Function annotations globalinput must match across all functions in the library" );
						return false;
					}
				}
				else
				{
					globalInput = *input;
				}
			}
		}
	}
	return true;
}