tokens: In order to that , you 'll need to create a new interpolant ( call it something like vec2 quadCoord ) , and set it appropriately for each vertex , which means you 'll likely also need to add it as an attribute and pass it through your vertex shader .
ner_tags: O O O O O O O O O O O O O O O O O O B-Code_Block I-Code_Block O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O