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>
49 lines
2.5 KiB
C
49 lines
2.5 KiB
C
/*
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* Copyright © 2006 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifndef _XF86_RANDR_H_
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#define _XF86_RANDR_H_
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#include <randrstr.h>
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#include <X11/extensions/render.h>
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extern _X_EXPORT Bool xf86RandR12CreateScreenResources(ScreenPtr pScreen);
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extern _X_EXPORT Bool xf86RandR12Init(ScreenPtr pScreen);
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extern _X_EXPORT void xf86RandR12CloseScreen(ScreenPtr pScreen);
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extern _X_EXPORT void xf86RandR12SetRotations(ScreenPtr pScreen,
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Rotation rotation);
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extern _X_EXPORT void xf86RandR12SetTransformSupport(ScreenPtr pScreen,
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Bool transforms);
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extern _X_EXPORT Bool xf86RandR12SetConfig(ScreenPtr pScreen, Rotation rotation,
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int rate, RRScreenSizePtr pSize);
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extern _X_EXPORT Rotation xf86RandR12GetRotation(ScreenPtr pScreen);
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extern _X_EXPORT void xf86RandR12GetOriginalVirtualSize(ScrnInfoPtr pScrn,
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int *x, int *y);
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extern _X_EXPORT Bool xf86RandR12PreInit(ScrnInfoPtr pScrn);
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extern _X_EXPORT void xf86RandR12TellChanged(ScreenPtr pScreen);
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extern void xf86RandR12LoadPalette(ScrnInfoPtr pScrn, int numColors,
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int *indices, LOCO *colors,
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VisualPtr pVisual);
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extern Bool xf86RandR12InitGamma(ScrnInfoPtr pScrn, unsigned gammaSize);
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#endif /* _XF86_RANDR_H_ */
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