I figured this one out too. I built a debug version and at run time a message appeared in the console telling me I need to add HEAP8 to EXPORTED_RUNTIME_METHODS. After doing that my apps work except for one test which is failing and which I will investigate now..
Regards
-Mark
> On May 24, 2025, at 19:03, キャロウ マーク <git...@callow.im> wrote:
>
> After fixing the raw pointer issue I asked about in another thread, a new
> problem has cropped up. Whenever my app tries to call a native function on
> the created module I get the subject error.
>
> Here is a typical stack trace
>
> Uncaught (in promise) TypeError: handle is undefined
> __emval_get_property http://192.168.50.139:8080/libktx.js:7
> anonymous http://192.168.50.139:8080/libktx.js line 7 > Function:9
> testCreate http://192.168.50.139:8080/libktx-webgl/libktx-test.js:802
>
> I am using -sMODULARIZE and I instantiate the module with
>
> createKtxModule({preinitializedWebGLContext: gl}).then(instance => {
> window.ktx = instance;
> // Make existing WebGL context current for Emscripten OpenGL.
> ktx.GL.makeContextCurrent(
> ktx.GL.createContext(document.getElementById("glcanvas"),
> { majorVersion: 2.0 })
> );
> main()
> });
>
> where createKtxModule is the export name. That call to
> ktx.GL.makeContextCurrent is working but I suppose that is not a native
> function.
>
> Everything was working on 4.0.7.
>
> I read https://emscripten.org/docs/compiling/Modularized-Output.html but
> can’t see any change required when continuing to use -sMODULARIZE.
>
> Does anyone know how to fix this?
>
> I am horrified by the number of breakages these supposedly minor patch
> releases (4.0.8 and 4.0.9) have caused in my code. I have spent 2 days on
> fixes so far.
>
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