private void AddAllAttributes(String shaderText)
	{
		final String ATTRIBUTE_KEYWORD = "attribute";
		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())))) {
					attributeStartLocation = shaderText.indexOf(ATTRIBUTE_KEYWORD, 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());
		}
	}