From 5c1c6af37d4f4e0c88a5caf9b67afef0a0ffa58a Mon Sep 17 00:00:00 2001
From: Andreas Bergmeier <abergmeier@gmx.net>
Date: Thu, 28 Nov 2013 12:49:35 +0100
Subject: Remove ambiguous error reporting of EGL_NOT_INITIALIZED and add error
 reporting for EGL_BAD_ACCESS when invalid internal state is encountered.

---
 src/library_egl.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/library_egl.js b/src/library_egl.js
index 1aba9306..551169d1 100644
--- a/src/library_egl.js
+++ b/src/library_egl.js
@@ -551,8 +551,10 @@ var LibraryEGL = {
   eglSwapBuffers__deps: ['glFlush', '$GL'],
   // EGLAPI EGLBoolean EGLAPIENTRY eglSwapBuffers(EGLDisplay dpy, EGLSurface surface);
   eglSwapBuffers: function() {
-    if (!Module.ctx) {
+    if (!EGL.defaultDisplayInitialized) {
       EGL.setErrorCode(0x3001 /* EGL_NOT_INITIALIZED */);
+    } else if (!Module.ctx) {
+      EGL.setErrorCode(0x3002 /* EGL_BAD_ACCESS */);
     } else if (Module.ctx.isContextLost()) {
       EGL.setErrorCode(0x300E /* EGL_CONTEXT_LOST */);
     } else {
-- 
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