From f919077d47a21b40b2d814f7ff89efc35c453ce8 Mon Sep 17 00:00:00 2001
From: Jeff Gilbert <jgilbert@mozilla.com>
Date: Mon, 19 Dec 2016 18:03:18 -0800
Subject: [PATCH] Bug 1324614 - Make MAX_ELEMENT_INDEX default to UINT32_MAX
 when ES3_compat unavailable. - r=daoshengmu

MozReview-Commit-ID: 5y3cXDaLYXe
---
 dom/canvas/WebGL2ContextState.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dom/canvas/WebGL2ContextState.cpp b/dom/canvas/WebGL2ContextState.cpp
index cbae23648161..f4e372bcc927 100644
--- a/dom/canvas/WebGL2ContextState.cpp
+++ b/dom/canvas/WebGL2ContextState.cpp
@@ -118,7 +118,7 @@ WebGL2Context::GetParameter(JSContext* cx, GLenum pname, ErrorResult& rv)
       // GL_MAX_ELEMENT_INDEX becomes available in GL 4.3 or via ES3
       // compatibility
       if (!gl->IsSupported(gl::GLFeature::ES3_compatibility))
-        return JS::NumberValue(0);
+        return JS::NumberValue(UINT32_MAX);
 
       /*** fall through to fGetInteger64v ***/
       MOZ_FALLTHROUGH;