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Support ES3.1, Shader Compile Failed Error.

When I built on Android Platform. checked : Project Settings - Build - Support OpenGL ES3.1 and I played media resources on UMG. I saw black panel and only sound was played... and then, Log was "LogRHI: Error: Shader compile failed: ERROR: 0:85: 'samplerExternalOES' : requires extension GL_OES_EGL_image_external_essl3 to be enabled ERROR: 1 compilation errors. No code generated."

How Can I Fix the Error? My Device is Samsung galaxy s5 lte model and Android v6.0.1

Product Version: UE 4.19
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asked Aug 31 '18 at 09:56 AM in Using UE4

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avatar image usaexelent Dec 15 '18 at 12:44 PM

I also have a similar error: LogRHI: Error: Shader compile failed: 0(6) : error C7621: #extension directive must occur before any non-preprocessor token

Original Source is (len 28086) #version 310 es

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