75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
|
/*
|
||
|
|
* Copyright 1998 by Alan Hourihane, Wigan, England.
|
||
|
|
*
|
||
|
|
* Permission to use, copy, modify, distribute, and sell this software and its
|
||
|
|
* documentation for any purpose is hereby granted without fee, provided that
|
||
|
|
* the above copyright notice appear in all copies and that both that
|
||
|
|
* copyright notice and this permission notice appear in supporting
|
||
|
|
* documentation, and that the name of Alan Hourihane not be used in
|
||
|
|
* advertising or publicity pertaining to distribution of the software without
|
||
|
|
* specific, written prior permission. Alan Hourihane makes no representations
|
||
|
|
* about the suitability of this software for any purpose. It is provided
|
||
|
|
* "as is" without express or implied warranty.
|
||
|
|
*
|
||
|
|
* ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
||
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
||
|
|
* EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
||
|
|
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
||
|
|
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
||
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
||
|
|
*
|
||
|
|
* Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk>
|
||
|
|
*
|
||
|
|
* Generic RAMDAC access to colormaps.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef HAVE_XORG_CONFIG_H
|
||
|
|
#include <xorg-config.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <X11/X.h>
|
||
|
|
#include <X11/Xproto.h>
|
||
|
|
#include "windowstr.h"
|
||
|
|
#include "mipointer.h"
|
||
|
|
#include "micmap.h"
|
||
|
|
|
||
|
|
#include "xf86.h"
|
||
|
|
#include "compiler.h"
|
||
|
|
#include "colormapst.h"
|
||
|
|
#include "xf86RamDacPriv.h"
|
||
|
|
|
||
|
|
#include "xf86PciInfo.h"
|
||
|
|
#include "xf86Pci.h"
|
||
|
|
|
||
|
|
void
|
||
|
|
RamDacLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, LOCO *colors,
|
||
|
|
VisualPtr pVisual)
|
||
|
|
{
|
||
|
|
RamDacRecPtr hwp = RAMDACSCRPTR(pScrn);
|
||
|
|
int i, index;
|
||
|
|
|
||
|
|
for (i = 0; i < numColors; i++) {
|
||
|
|
index = indices[i];
|
||
|
|
(*hwp->WriteAddress)(pScrn, index);
|
||
|
|
(*hwp->WriteData)(pScrn, colors[index].red);
|
||
|
|
(*hwp->WriteData)(pScrn, colors[index].green);
|
||
|
|
(*hwp->WriteData)(pScrn, colors[index].blue);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Bool
|
||
|
|
RamDacHandleColormaps(ScreenPtr pScreen, int maxColors, int sigRGBbits,
|
||
|
|
unsigned int flags)
|
||
|
|
{
|
||
|
|
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
|
||
|
|
RamDacRecPtr hwp = RAMDACSCRPTR(pScrn);
|
||
|
|
|
||
|
|
if (hwp->LoadPalette == NULL)
|
||
|
|
return xf86HandleColormaps(pScreen, maxColors, sigRGBbits,
|
||
|
|
RamDacLoadPalette, NULL, flags);
|
||
|
|
else
|
||
|
|
return xf86HandleColormaps(pScreen, maxColors, sigRGBbits,
|
||
|
|
hwp->LoadPalette, NULL, flags);
|
||
|
|
}
|