Checks if de-gamma ramp is used by a display.
ADLX_RESULT IsCurrentDeGammaRamp (adlx_bool* isDeGammaRamp)
[out]IsDeGammaRamp adlx_bool* The pointer to a variable where the state of de-gamma ramp is returned. The variable is true if de-gamma ramp is used. The variable is false if de-gamma ramp is not used.
If the state of de-gamma ramp is successfully returned, ADLX_OK is returned.
If the state of de-gamma ramp is not successfully returned, an error code is returned.
Refer to ADLX_RESULT for success codes and error codes.