Update spine.js to 3.6.39, and tested on Chrome and Safari, all the spine test cases hold the same behavior with Cocos2d-x 3.16.

Except, fix canvas draw point scale error, the wrong effect on Cocos2d-x 3.16:

Attention, the SpineTestPerformance shows the spine performance is low, when run on Chrome and Safari, less than 5 goblins can existed at the same time. or it's a buffer length bug?

have you guys come across this bug since 3.16 ? - apparently also present in tests when goblins amount to 5. Something to do with new batching code?

http://discuss.cocos2d-x.org/t/spine-web-runtime-cocos2dxjs-3-16-offscreen-for-webgl-000002366a2544e0-gl-error-gl-invalid-operation-gldrawelements-range-out-of-bounds-for-buffer/42133

@dalste refer to this commit adeefef to fix, only 2 lines modified

tested on Chrome and Safari, all works well.

@pandamicro review and merge please

@drelaptop I'm still getting that same error (GL ERROR :GL_INVALID_OPERATION : glDrawElements: range out of bounds for buffer) with one of my spine files, the same file works fine on the native run times.

I can send you guys the file via pm/ email to test if you like, I would need to blur the atlases though to protect copyright.

@dalste thanks for feedback, I will try to solve it if I am free, please email the spine files to [email protected]

@drelaptop
We got same error, do you receive @dalste test? or any update?

Thanks

i am working with cocos3.17 JS version, this problem still persist. Whenever i am trying to create more than 5 spines i get
"GL ERROR :GL_INVALID_OPERATION : glDrawElements: range out of bounds for buffer" error.

While those spines are working fine on Native platforms and in Cocos2dx C++.
I tried backtracing the issue, tried the same on cocos version 3.15,14,12 but no success .

I am working on Spine runtime version 3.6.39
Could anyone update me how to resolve this issue for web version for Spines ?