72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/*
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* Copyright 1998 by Alan Hourihane, Wigan, England.
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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
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Alan Hourihane not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Alan Hourihane makes no representations
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* about the suitability of this software for any purpose. It is provided
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* "as is" without express or implied warranty.
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*
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* ALAN HOURIHANE DISCLAIMS 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 ALAN HOURIHANE 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
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk>
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*
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* Generic RAMDAC access to colormaps.
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*/
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include "windowstr.h"
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#include "mipointer.h"
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#include "micmap.h"
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#include "xf86.h"
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#include "compiler.h"
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#include "colormapst.h"
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#include "xf86RamDacPriv.h"
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void
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RamDacLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, LOCO *colors,
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VisualPtr pVisual)
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{
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RamDacRecPtr hwp = RAMDACSCRPTR(pScrn);
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int i, index;
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for (i = 0; i < numColors; i++) {
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index = indices[i];
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(*hwp->WriteAddress)(pScrn, index);
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(*hwp->WriteData)(pScrn, colors[index].red);
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(*hwp->WriteData)(pScrn, colors[index].green);
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(*hwp->WriteData)(pScrn, colors[index].blue);
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}
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}
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Bool
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RamDacHandleColormaps(ScreenPtr pScreen, int maxColors, int sigRGBbits,
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unsigned int flags)
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{
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ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
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RamDacRecPtr hwp = RAMDACSCRPTR(pScrn);
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if (hwp->LoadPalette == NULL)
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return xf86HandleColormaps(pScreen, maxColors, sigRGBbits,
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RamDacLoadPalette, NULL, flags);
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else
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return xf86HandleColormaps(pScreen, maxColors, sigRGBbits,
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hwp->LoadPalette, NULL, flags);
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}
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