Looks like you're missing a linker input, do you have -lGLESv2 on your link
command?
On Monday, February 10, 2020 at 1:01:11 AM UTC-8, Tim Luther Lewis wrote:
>
> Thanks for the responses guys but unfortunately, I'm still getting
> 'anthraciteWASM.js:8995 missing function: glBlitFramebuffer'
>
> I've added both '-s MIN_WEBGL_VERSION=2' and '-s MAX_WEBGL_VERSION=2' and
> I'm creating my context with 'const context = canvas.getContext("webgl2",
> {antialias: false, depth: true});'
>
> I do get a bunch of linker warnings when I build, however:
>
> ---8<-------------------------------
> warning: undefined symbol: emscripten_glBeginQuery
> warning: undefined symbol: emscripten_glBeginTransformFeedback
> warning: undefined symbol: emscripten_glBindBufferBase
> warning: undefined symbol: emscripten_glBindBufferRange
> warning: undefined symbol: emscripten_glBindSampler
> warning: undefined symbol: emscripten_glBindTransformFeedback
> warning: undefined symbol: emscripten_glBlitFramebuffer
> warning: undefined symbol: emscripten_glClearBufferfi
> warning: undefined symbol: emscripten_glClearBufferfv
> warning: undefined symbol: emscripten_glClearBufferiv
> warning: undefined symbol: emscripten_glClearBufferuiv
> warning: undefined symbol: emscripten_glClientWaitSync
> warning: undefined symbol: emscripten_glCompressedTexImage3D
> ...
> --8<--------------------------------------------
> but seeing as everything ran fine, other than the blit, I assumed this was
> just some sort of late binding issue for external functions.
>
> Is it possible that there's a problem with glBlitFramebuffer that hasn't
> been picked up?
>
>
>
> On Sunday, 9 February 2020 20:31:49 UTC, Tim Luther Lewis wrote:
>>
>> Hi,
>> I'm porting my engine to WASM and it's all going well so far but I've
>> hit a snag with this. I'm linking with -s FULL_ES2=1 -s FULL_ES3=1 but it
>> still gives me 'missing function: glBlitFramebuffer' whenever I call it.
>> I noticed there was a discussion about this function on github back in
>> February 2019 (https://github.com/emscripten-core/emscripten/pull/7588).
>> Does anybody know if it's broken or perhaps I've missed something vital?
>>
>> Thanks in advance,
>> Tim.
>>
>>
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