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Comment by frozenport | Hacker News Reader

On Android Firefox:

    Error: Rendering to floating-point textures is required but not supported.

Android Firefox and Chrome both implement the floating-point textures extension, but your devices GPU also has to natively support it.

If you're interested, you can check what your device supports with a tool like this: https://play.google.com/store/apps/details?id=com.darkrockst...

Not all of the GLES extensions will be exposed to WebGL, but most WebGL extensions directly map to a GLES one (GL_OES_texture_float in this case).

On a Galaxy S5, it works glitchily in Chrome and not at all in Firefox.

Maybe Mozilla blacklisted the extension: Qualcomm drivers are apparently quite awful.

same on Firefox Developer Edition 36.0a2 (2015-01-10).