/* Define this if you have the functions XF86VidModeGetGamma() and
* XF86VidModeSetGamma(), which allow clients to change the gamma
- * response of the monitor. This is an XFree86 4.x thing, and probably
- * doesn't exist elsewhere. (It's available if the file
+ * response of the monitor. This is an XFree86 4.0.x thing, and
+ * probably doesn't exist elsewhere. (It's available if the file
* /usr/include/X11/extensions/xf86vmode.h exists and has stuff about
* gamma in it.)
*/
#undef HAVE_XF86VMODE_GAMMA
+/* Define this if you have the functions XF86VidModeGetGammaRamp() and
+ * XF86VidModeSetGammaRamp(), which provide finer-grained control than
+ * XF86VidMode[GS]etGamma(). These appeared in XFree86 4.1.0.
+ */
+#undef HAVE_XF86VMODE_GAMMA_RAMP
+
/* Define this if you have a Linux-like /proc/interrupts file which can be
* examined to determine when keyboard activity has occurred.
*/