Method makeMipmapDimensions

src/main/java/net/optifine/Mipmaps.java:41–83

(int width, int height, String iconName)

    }

    public static Dimension[] makeMipmapDimensions(int width, int height, String iconName)
    {
        int i = TextureUtils.ceilPowerOfTwo(width);
        int j = TextureUtils.ceilPowerOfTwo(height);

        if (i == width && j == height)
        {
            List list = new ArrayList();
            int k = i;
            int l = j;

            while (true)
            {
                k /= 2;
                l /= 2;

                if (k <= 0 && l <= 0)
                {
                    Dimension[] adimension = (Dimension[])((Dimension[])list.toArray(new Dimension[list.size()]));
                    return adimension;
                }

                if (k <= 0)
                {
                    k = 1;
                }

                if (l <= 0)
                {
                    l = 1;
                }

                int i1 = k * l * 4;
                Dimension dimension = new Dimension(k, l);
                list.add(dimension);
            }
        }
        else
        {
            Config.warn("Mipmaps not possible (power of 2 dimensions needed), texture: " + iconName + ", dim: " + width + "x" + height);
            return new Dimension[0];
        }
    }

    public static int[][] generateMipMapData(int[] data, int width, int height, Dimension[] mipmapDimensions)
    {