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Bug in driver (Android SGS 2 I9100)

Note: This was originally posted on 3rd June 2011 at http://forums.arm.com

Hello,

I'm an Android dev and have bought the SGS 2 I9100 (GPU Mali 400). I have developed a tool called
GPUBench and tested on this device and found a bug which cause many artefact.

In shader, sin & cos are valid (or correct) between -6.14 and 6.14; when angle is important, result are
false.

I have created and apk which show the problem:

http://bit.ly/ikF3rz

And there is code source:

http://bit.ly/jb9H6c

How fix driver on Android ? Is it the work of ARM or Samsung ?

Thanks

twitter: ellis2323
mail: laurent.mallet at_ gmail.com