private void addAllAttributes(String shaderText)
	{
		final String ATTRIBUTE_KEYWORD = "attrib";
		int attributeStartLocation = shaderText.indexOf(ATTRIBUTE_KEYWORD);
		int attribNumber = 0;
		while(attributeStartLocation != -1)
		{
			if(!(attributeStartLocation != 0 && Character.isWhitespace(shaderText.charAt(attributeStartLocation - 1)) || shaderText.charAt(attributeStartLocation - 1) == ';' && Character.isWhitespace(shaderText.charAt(attributeStartLocation + ATTRIBUTE_KEYWORD.length()))))
				continue;
			
			int begin = attributeStartLocation + ATTRIBUTE_KEYWORD.length() + 1;
			int end = shaderText.indexOf(";", begin);
			
			String attributeLine = shaderText.substring(begin, end).trim();
			String attributeName = attributeLine.substring(attributeLine.indexOf(' ') + 1, attributeLine.length()).trim();
			
			setAttribLocation(attributeName, attribNumber);
			attribNumber++;
			
			attributeStartLocation = shaderText.indexOf(ATTRIBUTE_KEYWORD, attributeStartLocation + ATTRIBUTE_KEYWORD.length());
		}
	}