Function checkContextLoss

stackgl_modules/index.js:18864–18876

()

  }

  function checkContextLoss() {
    if(scene.contextLost) {
      return true
    }
    if(gl.isContextLost()) {
      scene.contextLost = true
      scene.mouseListener.enabled = false
      scene.selection.object = null
      if(scene.oncontextloss) {
        scene.oncontextloss()
      }
    }
  }

  canvas.addEventListener('webglcontextlost', checkContextLoss)