Source position: libsdl2.pas line 379
const SDL_PIXELFORMAT_BGR555 = 1 shl 28 or SDL_PIXELTYPE_PACKED16 shl 24 or SDL_PACKEDORDER_XBGR shl 20 or SDL_PACKEDLAYOUT_1555 shl 16 or 15 shl 8 or 2 shl 0;