Initialization

The initialization section includes everything that must be done exactly once at the beginning of the application's execution, and this includes setting up texture mapping.

〈Initialization〉 ≡
var canvas
var gl

function init()
canvas = document.getElementById('webgl')
gl = getWebGLContext(canvas, false)
〈Shader Initialization〉
〈Buffer Initialization〉
〈Texture Initialization〉

Request the first animation frame.