public Class247_Sub1(Canvas paramCanvas, Interface2 paramInterface2, int paramInt1, int paramInt2, Class142 paramClass142)
  {
    super(paramInt1, paramInterface2);
    this.aCanvas3670 = paramCanvas;
    int i = 0;
    while (!(this.aCanvas3670.isShowing()))
    {
      if (i++ > 5)
        throw new RuntimeException("");
      Class211_Sub4.method2450(-28114, 1000L);
    }
    this.aCanvas3670.setIgnoreRepaint(true);
    try
    {
      if ((aBoolean3676 == null) || (!(aBoolean3676.booleanValue())))
        if (paramClass142 != null)
        {
          Class19 localClass19 = paramClass142.method1869(113, getClass());
          while (localClass19.anInt278 == 0)
            Class211_Sub4.method2450(-28114, 100L);
          if (localClass19.anInt278 == 1)
            aBoolean3676 = Boolean.TRUE;
        }
        else
        {
          System.loadLibrary("jawt");
          System.loadLibrary("jaggl");
          aBoolean3676 = Boolean.TRUE;
        }
      if ((aBoolean3676 == null) || (!(aBoolean3676.booleanValue())))
        throw new RuntimeException("");
      this.aContext3668 = new context();
      if (!(this.aContext3668.method1482(this.aCanvas3670, paramInt2, 0)))
        throw new RuntimeException("");
      if (!(this.aContext3668.createContext()))
        throw new RuntimeException("");
      method2898();
      this.anOpengl3667 = this.aContext3668.method1484();
      int j = method2858();
      if (j != 0)
        throw new RuntimeException("");
      this.anInt3715 = ((this.aBoolean3784) ? 33639 : 5121);
      String str1 = this.aString3739.toLowerCase();
      String str2 = this.aString3758.toLowerCase();
      if (str2.indexOf("radeon") != -1)
      {
        int k = 0;
        int l = 0;
        int i1 = 0;
        String[] arrayOfString = Class130.method1804(0, ' ', str2.replace('/', ' '));
        for (int i2 = 0; i2 < arrayOfString.length; ++i2)
        {
          String str3 = arrayOfString[i2];
          try
          {
            if (str3.length() <= 0)
              break label848:
            if ((str3.charAt(0) == 'x') && (str3.length() >= 3) && (RuntimeException_Sub1.method2973(false, str3.substring(1, 3))))
            {
              str3 = str3.substring(1);
              i1 = 1;
            }
            if (str3.equals("hd"))
            {
              l = 1;
              break label848:
            }
            if (str3.startsWith("hd"))
            {
              str3 = str3.substring(2);
              l = 1;
            }
            if ((str3.length() >= 4) && (RuntimeException_Sub1.method2973(false, str3.substring(0, 4))))
            {
              k = Class90.method1412(109, str3.substring(0, 4));
              break label854:
            }
          }
          catch (Exception localException2)
          {
          }
        }
        if ((i1 == 0) && (l == 0))
        {
          if ((k >= 7000) && (k <= 7999))
            label848: label854: this.aBoolean3725 = false;
          if ((k >= 7000) && (k <= 9250))
            this.aBoolean3802 = false;
        }
        if ((l == 0) || (k < 4000))
          this.aBoolean3777 = false;
        this.aBoolean3747 &= this.anOpengl3667.method1499("GL_ARB_half_float_pixel");
        this.aBoolean3770 = this.aBoolean3725;
      }
      if (str1.contains("intel"))
        this.aBoolean3719 = false;
      if (this.aBoolean3725)
        try
        {
          int[] arrayOfInt = new int[1];
          this.anOpengl3667.method1548(1, arrayOfInt, 0);
        }
        catch (Throwable localThrowable2)
        {
          throw new RuntimeException("", localThrowable2);
        }
      method2877(this);
      method2745();
      method2887();
      new Class29(this);
      this.aClass41_3674 = new Class41(this, this.anInterface2_3456);
      Class3_Sub18_Sub27.method362(72, true, true);
      this.aBoolean3679 = true;
      this.aClass81_3669 = new Class81(this);
      this.aClass192_3666 = new Class192(this);
      this.aClass3_Sub38_Sub1_3675 = new Class3_Sub38_Sub1(this);
      method2864();
      this.anOpengl3667.glClear(16640);
      i = 0;
      try
      {
        this.aContext3668.swapBuffers();
      }
      catch (Exception localException1)
      {
        while (true)
        {
          if (i++ > 5)
            throw new RuntimeException("");
          Class211_Sub4.method2450(-28114, 100L);
        }
      }
      this.anOpengl3667.glClear(16384);
    }
    catch (Throwable localThrowable1)
    {
      localThrowable1.printStackTrace();
      method2781();
      throw new RuntimeException("OpenGL toolkit initialisation failed", localThrowable1);
    }
  }