Distorted Android

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// here construct the ModelView Matrix, but without any effects

  synchronized static void sendZero(DistortedOutputSurface projection, float halfX, float halfY, float halfZ)

    {

    Matrix.setIdentityM(mTmpMatrix, 0);

    Matrix.translateM(mTmpMatrix, 0, halfX-projection.mWidth/2, projection.mHeight/2-halfY, -projection.mDistance);

    Matrix.multiplyMM(mMVPMatrix, 0, projection.mProjectionMatrix, 0, mTmpMatrix, 0);

    GLES30.glUniform3f( mObjDH , halfX, halfY, halfZ);

    GLES30.glUniform1f( mDepthH, projection.mDepth);

    GLES30.glUniformMatrix4fv(mMVMatrixH , 1, false, mTmpMatrix, 0);

    GLES30.glUniformMatrix4fv(mMVPMatrixH, 1, false, mMVPMatrix, 0);

    }