fix(DepthOfField): cleanup memory leak

[dongho-shin]

Hi I found that DepthOfField Component has a Texture Memory leak
so I fix it in PR

you can check memory leak this codeSandbox
Every update of parameter, texture count increase infinitely

[v1rtl]

the code seems ok (if I got it right it mostly disposes render targets) but could you also please create a sandbox demo with new DOF code? to test out the effect that it works correctly

[dongho-shin]

the code seems ok (if I got it right it mostly disposes render targets) but could you also please create a sandbox demo with new DOF code? to test out the effect that it works correctly

ok I will make it for test it

[dongho-shin]

@talentlessguy Hi I made a code sandbox but it has a problem

Actually I fix memory leak by wrapping React Code because EffectComposer of '@react-three/postprocessing' can't get CustomEffect
so I use this way that below codesandbox
Wrapped Origin ReactComponent Version

Do you have any ideas? do i add a custom effect in wrong way?

I guess if that problem fixed, I'm quite sure it works under the sandbox
code sandbox
(custom effect didn't added in effect composer i don't know why 😢 )
BTW it works in this case (https://codesandbox.io/s/customeffect-zdcc7f?file=/src/App.tsx)

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