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b4e46c0444
Instead of breaking the former when the driver supports the latter, hook them up so that the hardware LUTs reflect the combination of the current colourmap and gamma states. I.e. combine the colourmap, the global gamma value/ramp and the RandR 1.2 per-CRTC gamma ramps into one combined LUT per CRTC. Fixes e.g. gamma sliders not working in games. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=27222 v2: * Initialize palette_size and palette struct members, fixes crash on server startup. v3: * Free randrp->palette in xf86RandR12CloseScreen, fixes memory leak. v4: * Call CMapUnwrapScreen if xf86RandR12InitGamma fails (Emil Velikov). * Still allow xf86HandleColormaps to be called with a NULL loadPalette parameter in the xf86_crtc_supports_gamma case. v5: * Clean up inner loops in xf86RandR12CrtcComputeGamma (Keith Packard) * Move palette update out of per-CRTC loop in xf86RandR12LoadPalette (Keith Packard) v6: * Handle reallocarray failure in xf86RandR12LoadPalette (Keith Packard) Reviewed-by: Keith Packard <keithp@keithp.com>
X Server
The X server accepts requests from client applications to create windows,
which are (normally rectangular) "virtual screens" that the client program
can draw into.
Windows are then composed on the actual screen by the X server
(or by a separate composite manager) as directed by the window manager,
which usually communicates with the user via graphical controls such as buttons
and draggable titlebars and borders.
For a comprehensive overview of X Server and X Window System, consult the
following article:
http://en.wikipedia.org/wiki/X_server
All questions regarding this software should be directed at the
Xorg mailing list:
http://lists.freedesktop.org/mailman/listinfo/xorg
Please submit bug reports to the Xorg bugzilla:
https://bugs.freedesktop.org/enter_bug.cgi?product=xorg
The master development code repository can be found at:
git://anongit.freedesktop.org/git/xorg/xserver
http://cgit.freedesktop.org/xorg/xserver
For patch submission instructions, see:
http://www.x.org/wiki/Development/Documentation/SubmittingPatches
For more information on the git code manager, see:
http://wiki.x.org/wiki/GitPage