-[Arx/src/graphics/image/Image.cpp:916]: (style) struct member 'DXT3AlphaBlock::mRow' is never used.
-[Arx/src/graphics/image/Image.cpp:920]: (style) struct member 'DXT5AlphaBlock::mAlpha0' is never used.
-[Arx/src/graphics/image/Image.cpp:921]: (style) struct member 'DXT5AlphaBlock::mAlpha1' is never used.
-[Arx/src/graphics/image/Image.cpp:922]: (style) struct member 'DXT5AlphaBlock::mRow' is never used.