Understanding Tetris-game code. newbie

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glutgamemodeget

glutGameModeGet(3GLUT)						       GLUT						    glutGameModeGet(3GLUT)

NAME

       glutGameModeGet - retrieves GLUT device information represented by integers.

SYNTAX

       int glutGameModeGet(GLenum info);

ARGUMENTS

       info	 Name of game mode information to retrieve.

       GLUT_GAME_MODE_ACTIVE
	       Non-zero if GLUT's game mode is active; zero if not active.  Game mode is not active initially.	Game mode becomes active when glu-
	       tEnterGameMode is called.  Game mode becomes inactive when glutLeaveGameMode is called.

       GLUT_GAME_MODE_POSSIBLE
	       Non-zero if the game mode string last specified to glutGameModeString is a possible game mode configuration; zero otherwise.  Being
	       "possible"  does not guarantee that if game mode is entered with glutEnterGameMode that the display settings will actually changed.
	       GLUT_GAME_MODE_DISPLAY_CHANGED should be called once game mode is entered to determine if the display mode is actually changed.

       GLUT_GAME_MODE_WIDTH
	       Width in pixels of the screen when game mode is activated.

       GLUT_GAME_MODE_HEIGHT
	       Height in pixels of the screen when game mode is activated.

       GLUT_GAME_MODE_PIXEL_DEPTH
	       Pixel depth of the screen when game mode is activiated.

       GLUT_GAME_MODE_REFRESH_RATE
	       Screen refresh rate in cyles per second (hertz) when game mode is activated.  Zero is returned if the refresh rate  is  unknown	or
	       cannot be queried.

       GLUT_GAME_MODE_DISPLAY_CHANGED
	       Non-zero  if entering game mode actually changed the display settings.  If the game mode string is not possible or the display mode
	       could not be changed for any other reason, zero is returned.

DESCRIPTION

       glutGameModeGet retrieves GLUT game mode information represented by integers. The info parameter determines what type of game mode informa-
       tion to return. Requesting game mode information for an invalid GLUT game mode information name returns negative one.

SEE ALSO

       glutGet, glutDeviceGet, glutLayerGet, glutGameModeString, glutEnterGameMode, glutLeaveGameMode

AUTHOR

       Mark J. Kilgard (mjk@nvidia.com)

GLUT
									3.7						    glutGameModeGet(3GLUT)

Shell Programming and Scripting