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Diffstat (limited to 'xorg-server/hw/xfree86/vgahw/vgaCmap.c')
-rw-r--r--xorg-server/hw/xfree86/vgahw/vgaCmap.c276
1 files changed, 0 insertions, 276 deletions
diff --git a/xorg-server/hw/xfree86/vgahw/vgaCmap.c b/xorg-server/hw/xfree86/vgahw/vgaCmap.c
deleted file mode 100644
index 6e028a7f5..000000000
--- a/xorg-server/hw/xfree86/vgahw/vgaCmap.c
+++ /dev/null
@@ -1,276 +0,0 @@
-/*
- * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
- *
- * 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 Thomas Roell not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Thomas Roell makes no representations
- * about the suitability of this software for any purpose. It is provided
- * "as is" without express or implied warranty.
- *
- * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THOMAS ROELL 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.
- *
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "windowstr.h"
-#include "compiler.h"
-#include "mipointer.h"
-#include "micmap.h"
-
-#include "xf86.h"
-#include "vgaHW.h"
-
-#include <X11/extensions/xf86dgaproto.h>
-#include "dgaproc.h"
-
-#define NOMAPYET (ColormapPtr) 0
-
-int
-vgaListInstalledColormaps(pScreen, pmaps)
-ScreenPtr pScreen;
-Colormap *pmaps;
-{
- /* By the time we are processing requests, we can guarantee that there
- * is always a colormap installed */
-
- *pmaps = GetInstalledmiColormap(pScreen)->mid;
- return 1;
-}
-
-int
-vgaGetInstalledColormaps(pScreen, pmaps)
-ScreenPtr pScreen;
-ColormapPtr *pmaps;
-{
- /* By the time we are processing requests, we can guarantee that there
- * is always a colormap installed */
-
- *pmaps = GetInstalledmiColormap(pScreen);
- return 1;
-}
-
-int
-vgaCheckColorMap(ColormapPtr pmap)
-{
- return (pmap != GetInstalledmiColormap(pmap->pScreen));
-}
-
-void
-vgaStoreColors(pmap, ndef, pdefs)
-ColormapPtr pmap;
-int ndef;
-xColorItem *pdefs;
-{
- int i;
- unsigned char *cmap, *tmp = NULL;
- xColorItem directDefs[256];
- Bool new_overscan = FALSE;
- Bool writeColormap;
- int scrnIndex = pmap->pScreen->myNum;
- ScrnInfoPtr scrninfp = xf86ScreenToScrn(pmap->pScreen);
- vgaHWPtr hwp = VGAHWPTR(scrninfp);
-
- unsigned char overscan = hwp->ModeReg.Attribute[OVERSCAN];
- unsigned char tmp_overscan = 0;
-
- if (vgaCheckColorMap(pmap))
- return;
-
- if ((pmap->pVisual->class | DynamicClass) == DirectColor) {
- ndef = miExpandDirectColors(pmap, ndef, pdefs, directDefs);
- pdefs = directDefs;
- }
-
- writeColormap = scrninfp->vtSema;
- if (DGAScreenAvailable(pmap->pScreen)) {
- writeColormap = writeColormap ||
- (DGAGetDirectMode(scrnIndex) &&
- !(DGAGetFlags(scrnIndex) & XF86DGADirectColormap)) ||
- (DGAGetFlags(scrnIndex) & XF86DGAHasColormap);
- }
-
- if (writeColormap)
- hwp->enablePalette(hwp);
-
- for (i = 0; i < ndef; i++) {
- if (pdefs[i].pixel == overscan) {
- new_overscan = TRUE;
- }
- cmap = &(hwp->ModeReg.DAC[pdefs[i].pixel * 3]);
- if (scrninfp->rgbBits == 8) {
- cmap[0] = pdefs[i].red >> 8;
- cmap[1] = pdefs[i].green >> 8;
- cmap[2] = pdefs[i].blue >> 8;
- }
- else {
- cmap[0] = pdefs[i].red >> 10;
- cmap[1] = pdefs[i].green >> 10;
- cmap[2] = pdefs[i].blue >> 10;
- }
-#if 0
- if (clgd6225Lcd) {
- /* The LCD doesn't like white */
- if (cmap[0] == 63)
- cmap[0] = 62;
- if (cmap[1] == 63)
- cmap[1] = 62;
- if (cmap[2] == 63)
- cmap[2] = 62;
- }
-#endif
-
- if (writeColormap) {
- if (hwp->ShowOverscan && i == 255)
- continue;
- hwp->writeDacWriteAddr(hwp, pdefs[i].pixel);
- DACDelay(hwp);
- hwp->writeDacData(hwp, cmap[0]);
- DACDelay(hwp);
- hwp->writeDacData(hwp, cmap[1]);
- DACDelay(hwp);
- hwp->writeDacData(hwp, cmap[2]);
- DACDelay(hwp);
- }
- }
- if (new_overscan && !hwp->ShowOverscan) {
- new_overscan = FALSE;
- for (i = 0; i < ndef; i++) {
- if (pdefs[i].pixel == overscan) {
- if ((pdefs[i].red != 0) ||
- (pdefs[i].green != 0) || (pdefs[i].blue != 0)) {
- new_overscan = TRUE;
- tmp_overscan = overscan;
- tmp = &(hwp->ModeReg.DAC[pdefs[i].pixel * 3]);
- }
- break;
- }
- }
- if (new_overscan) {
- /*
- * Find a black pixel, or the nearest match.
- */
- for (i = 255; i >= 0; i--) {
- cmap = &(hwp->ModeReg.DAC[i * 3]);
- if ((cmap[0] == 0) && (cmap[1] == 0) && (cmap[2] == 0)) {
- overscan = i;
- break;
- }
- else {
- if ((cmap[0] < tmp[0]) &&
- (cmap[1] < tmp[1]) && (cmap[2] < tmp[2])) {
- tmp = cmap;
- tmp_overscan = i;
- }
- }
- }
- if (i < 0) {
- overscan = tmp_overscan;
- }
- hwp->ModeReg.Attribute[OVERSCAN] = overscan;
- if (writeColormap) {
- hwp->writeAttr(hwp, OVERSCAN, overscan);
- }
- }
- }
-
- if (writeColormap)
- hwp->disablePalette(hwp);
-}
-
-void
-vgaInstallColormap(pmap)
-ColormapPtr pmap;
-{
- ColormapPtr oldmap = GetInstalledmiColormap(pmap->pScreen);
- int entries;
- Pixel *ppix;
- xrgb *prgb;
- xColorItem *defs;
- int i;
-
- if (pmap == oldmap)
- return;
-
- if ((pmap->pVisual->class | DynamicClass) == DirectColor)
- entries = (pmap->pVisual->redMask |
- pmap->pVisual->greenMask | pmap->pVisual->blueMask) + 1;
- else
- entries = pmap->pVisual->ColormapEntries;
-
- ppix = (Pixel *) malloc(entries * sizeof(Pixel));
- prgb = (xrgb *) malloc(entries * sizeof(xrgb));
- defs = (xColorItem *) malloc(entries * sizeof(xColorItem));
-
- if (oldmap != NOMAPYET)
- WalkTree(pmap->pScreen, TellLostMap, &oldmap->mid);
-
- SetInstalledmiColormap(pmap->pScreen, pmap);
-
- for (i = 0; i < entries; i++)
- ppix[i] = i;
-
- QueryColors(pmap, entries, ppix, prgb, serverClient);
-
- for (i = 0; i < entries; i++) { /* convert xrgbs to xColorItems */
- defs[i].pixel = ppix[i];
- defs[i].red = prgb[i].red;
- defs[i].green = prgb[i].green;
- defs[i].blue = prgb[i].blue;
- defs[i].flags = DoRed | DoGreen | DoBlue;
- }
- pmap->pScreen->StoreColors(pmap, entries, defs);
-
- WalkTree(pmap->pScreen, TellGainedMap, &pmap->mid);
-
- free(ppix);
- free(prgb);
- free(defs);
-}
-
-void
-vgaUninstallColormap(pmap)
-ColormapPtr pmap;
-{
-
- ColormapPtr defColormap;
-
- if (pmap != GetInstalledmiColormap(pmap->pScreen))
- return;
-
- dixLookupResourceByType((void **) &defColormap,
- pmap->pScreen->defColormap, RT_COLORMAP,
- serverClient, DixInstallAccess);
-
- if (defColormap == GetInstalledmiColormap(pmap->pScreen))
- return;
-
- (*pmap->pScreen->InstallColormap) (defColormap);
-}
-
-void
-vgaHandleColormaps(ScreenPtr pScreen, ScrnInfoPtr scrnp)
-{
- if (scrnp->bitsPerPixel > 1) {
- if (scrnp->bitsPerPixel <= 8) { /* For 8bpp SVGA and VGA16 */
- pScreen->InstallColormap = vgaInstallColormap;
- pScreen->UninstallColormap = vgaUninstallColormap;
- pScreen->ListInstalledColormaps = vgaListInstalledColormaps;
- pScreen->StoreColors = vgaStoreColors;
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 02:11:39 +0000