fix textureSize

Author: bayazit

lib/stdlib.js

@@ -766,7 +766,7 @@ function textureSize(sampler, lod) {
 	if (sampler.shape) return [sampler.shape[0], sampler.shape[1]];
 	return [sampler.width, sampler.height];
 };
-texture.type = function (node) {
+textureSize.type = function (node) {
 	var samplerType = this.process(node.children[1]).type;
 	if (/1D/.test(samplerType)) return 'int';
 	if (/2D|Cube/.test(samplerType)) return 'ivec2';