code: function emitDrawBody (env, draw, args, program) {
      injectExtensions(env, draw)
      emitAttributes(env, draw, args, program.attributes, function () {
        return true
      })
      emitUniforms(env, draw, args, program.uniforms, function () {
        return true
      })
      emitDraw(env, draw, draw, args)
    }
docs: =================================================== =================================================== DRAW PROC =================================================== ===================================================