repositories / deb_xorg-server.git / blame
| Commit | Line | Data |
|---|---|---|
| a09e091a JB |
1 | /* |
| 2 | * Copyright 1998 by Alan Hourihane, Wigan, England. | |
| 3 | * | |
| 4 | * Permission to use, copy, modify, distribute, and sell this software and its | |
| 5 | * documentation for any purpose is hereby granted without fee, provided that | |
| 6 | * the above copyright notice appear in all copies and that both that | |
| 7 | * copyright notice and this permission notice appear in supporting | |
| 8 | * documentation, and that the name of Alan Hourihane not be used in | |
| 9 | * advertising or publicity pertaining to distribution of the software without | |
| 10 | * specific, written prior permission. Alan Hourihane makes no representations | |
| 11 | * about the suitability of this software for any purpose. It is provided | |
| 12 | * "as is" without express or implied warranty. | |
| 13 | * | |
| 14 | * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
| 16 | * EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |
| 20 | * PERFORMANCE OF THIS SOFTWARE. | |
| 21 | * | |
| 22 | * Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk> | |
| 23 | * | |
| 24 | * Generic RAMDAC access to colormaps. | |
| 25 | */ | |
| 26 | ||
| 27 | #ifdef HAVE_XORG_CONFIG_H | |
| 28 | #include <xorg-config.h> | |
| 29 | #endif | |
| 30 | ||
| 31 | #include <X11/X.h> | |
| 32 | #include <X11/Xproto.h> | |
| 33 | #include "windowstr.h" | |
| 34 | #include "mipointer.h" | |
| 35 | #include "micmap.h" | |
| 36 | ||
| 37 | #include "xf86.h" | |
| 38 | #include "compiler.h" | |
| 39 | #include "colormapst.h" | |
| 40 | #include "xf86RamDacPriv.h" | |
| 41 | ||
| 42 | void | |
| 43 | RamDacLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, LOCO * colors, | |
| 44 | VisualPtr pVisual) | |
| 45 | { | |
| 46 | RamDacRecPtr hwp = RAMDACSCRPTR(pScrn); | |
| 47 | int i, index; | |
| 48 | ||
| 49 | for (i = 0; i < numColors; i++) { | |
| 50 | index = indices[i]; | |
| 51 | (*hwp->WriteAddress) (pScrn, index); | |
| 52 | (*hwp->WriteData) (pScrn, colors[index].red); | |
| 53 | (*hwp->WriteData) (pScrn, colors[index].green); | |
| 54 | (*hwp->WriteData) (pScrn, colors[index].blue); | |
| 55 | } | |
| 56 | } | |
| 57 | ||
| 58 | Bool | |
| 59 | RamDacHandleColormaps(ScreenPtr pScreen, int maxColors, int sigRGBbits, | |
| 60 | unsigned int flags) | |
| 61 | { | |
| 62 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); | |
| 63 | RamDacRecPtr hwp = RAMDACSCRPTR(pScrn); | |
| 64 | ||
| 65 | if (hwp->LoadPalette == NULL) | |
| 66 | return xf86HandleColormaps(pScreen, maxColors, sigRGBbits, | |
| 67 | RamDacLoadPalette, NULL, flags); | |
| 68 | else | |
| 69 | return xf86HandleColormaps(pScreen, maxColors, sigRGBbits, | |
| 70 | hwp->LoadPalette, NULL, flags); | |
| 71 | } |