The problem is that screen resolution is managed by GUITexture system. When GameObject's position is (0.5, 0.5, 0) and scale is (1, 1, 1), the bitmap covers the whole screen. I don't have to manually change any value, at least I didn't have to ;).
I…
Did anyone notice problem with fullscreen GUITextures after changing resolution? We have screens that cover whole scene while loading and after changing resolution to 720p. It seems to change bitmaps position rather than scalling.
