Re: [android-developers] Re: TextureView Stutter with Custom Shader

Hi,

You're doing 9 texture lookups per pixel which might be somewhat time consuming (especially with samplerExternalOES I'm not familiar with). As a workaround you could try copying samplerExternalOES texture with basic one line copy-shader into 'normal' texture and do your more extensive calculations using it instead.

--
Harri

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