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-rw-r--r--src/library_html5.js6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/library_html5.js b/src/library_html5.js
index d9376c2a..d5d0cd66 100644
--- a/src/library_html5.js
+++ b/src/library_html5.js
@@ -1307,6 +1307,12 @@ var LibraryJSEvents = {
JSEvents.registerWebGlEventCallback(target, userData, useCapture, callbackfunc, {{{ cDefine('EMSCRIPTEN_EVENT_WEBGLCONTEXTRESTORED') }}}, "webglcontextrestored");
return {{{ cDefine('EMSCRIPTEN_RESULT_SUCCESS') }}};
},
+
+ emscripten_is_webgl_context_lost: function(target) {
+ // TODO: In the future if multiple GL contexts are supported, use the 'target' parameter to find the canvas to query.
+ if (!Module['ctx']) return true; // No context ~> lost context.
+ return Module['ctx'].isContextLost();
+ }
};
autoAddDeps(LibraryJSEvents, '$JSEvents');