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Update WebGLRenderer.js

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This commit is contained in:
Zeke Chan 2024-06-13 11:23:19 +08:00
parent 382fd583d5
commit 7724dd0076
1 changed files with 32 additions and 0 deletions
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32
src/renderer/webgl/WebGLRenderer.js
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@ -375,6 +375,26 @@ var WebGLRenderer = new Class({
*/
this.contextRestoredHandler = NOOP;
/**
* The previous contextLostHandler that was in use.
* This is set when `setContextHandlers` is called.
*
* @name Phaser.Renderer.WebGL.WebGLRenderer#previousContextLostHandler
* @type {function}
* @since 3.19.0
*/
this.previousContextLostHandler = NOOP;
/**
* The previous contextRestoredHandler that was in use.
* This is set when `setContextHandlers` is called.
*
* @name Phaser.Renderer.WebGL.WebGLRenderer#previousContextRestoredHandler
* @type {function}
* @since 3.19.0
*/
this.previousContextRestoredHandler = NOOP;
/**
* The underlying WebGL context of the renderer.
*
@ -942,6 +962,15 @@ var WebGLRenderer = new Class({
*/
setContextHandlers: function (contextLost, contextRestored)
{
if (this.previousContextLostHandler)
{
this.canvas.removeEventListener('webglcontextlost', this.previousContextLostHandler, false);
}
if (this.previousContextRestoredHandler)
{
this.canvas.removeEventListener('webglcontextlost', this.previousContextRestoredHandler, false);
}
if (typeof contextLost === 'function')
{
this.contextLostHandler = contextLost.bind(this);
@ -962,6 +991,9 @@ var WebGLRenderer = new Class({
this.canvas.addEventListener('webglcontextlost', this.contextLostHandler, false);
this.canvas.addEventListener('webglcontextrestored', this.contextRestoredHandler, false);
this.previousContextLostHandler = this.contextLostHandler;
this.previousContextRestoredHandler = this.contextRestoredHandler;
},
/**