These changes are necessary, yet not sufficient, to get 8-bit indexed
color mode working in Xquartz.
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@ -37,6 +37,7 @@
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#include <limits.h> /* For CHAR_BIT */
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#include "rootlessCommon.h"
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#include "colormapst.h"
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unsigned int rootless_CopyBytes_threshold = 0;
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unsigned int rootless_FillBytes_threshold = 0;
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@ -98,6 +99,41 @@ IsFramedWindow(WindowPtr pWin)
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return (top && WINREC(top));
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}
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Bool
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RootlessResolveColormap (ScreenPtr pScreen, int first_color,
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int n_colors, uint32_t *colors)
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{
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int last, i;
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ColormapPtr map;
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map = RootlessGetColormap (pScreen);
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if (map == NULL || map->class != PseudoColor) return FALSE;
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last = MIN (map->pVisual->ColormapEntries, first_color + n_colors);
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for (i = MAX (0, first_color); i < last; i++) {
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Entry *ent = map->red + i;
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uint16_t red, green, blue;
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if (!ent->refcnt) continue;
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if (ent->fShared) {
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red = ent->co.shco.red->color;
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green = ent->co.shco.green->color;
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blue = ent->co.shco.blue->color;
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} else {
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red = ent->co.local.red;
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green = ent->co.local.green;
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blue = ent->co.local.blue;
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}
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colors[i - first_color] = (0xFF000000UL
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| ((uint32_t) red & 0xff00) << 8
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| (green & 0xff00)
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| (blue >> 8));
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}
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return TRUE;
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}
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/*
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* RootlessStartDrawing
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@ -32,6 +32,7 @@
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#include <dix-config.h>
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#endif
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#include <stdint.h>
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#ifndef _ROOTLESSCOMMON_H
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#define _ROOTLESSCOMMON_H
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@ -104,13 +105,20 @@ typedef struct _RootlessScreenRec {
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GlyphsProcPtr Glyphs;
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#endif
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InstallColormapProcPtr InstallColormap;
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UninstallColormapProcPtr UninstallColormap;
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StoreColorsProcPtr StoreColors;
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void *pixmap_data;
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unsigned int pixmap_data_size;
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ColormapPtr colormap;
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void *redisplay_timer;
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unsigned int redisplay_timer_set :1;
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unsigned int redisplay_queued :1;
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unsigned int redisplay_expired :1;
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unsigned int colormap_changed :1;
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} RootlessScreenRec, *RootlessScreenPtr;
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@ -251,6 +259,16 @@ void RootlessRedisplayScreen(ScreenPtr pScreen);
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void RootlessQueueRedisplay(ScreenPtr pScreen);
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/* Return the colormap currently installed on the given screen. */
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ColormapPtr RootlessGetColormap (ScreenPtr pScreen);
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/* Convert colormap to ARGB. */
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Bool RootlessResolveColormap (ScreenPtr pScreen, int first_color,
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int n_colors, uint32_t *colors);
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void RootlessFlushWindowColormap (WindowPtr pWin);
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void RootlessFlushScreenColormaps (ScreenPtr pScreen);
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// Move a window to its proper location on the screen.
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void RootlessRepositionWindow(WindowPtr pWin);
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@ -42,6 +42,7 @@
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#include "propertyst.h"
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#include "mivalidate.h"
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#include "picturestr.h"
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#include "colormapst.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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@ -469,6 +470,67 @@ RootlessMarkOverlappedWindows(WindowPtr pWin, WindowPtr pFirst,
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return result;
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}
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ColormapPtr
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RootlessGetColormap (ScreenPtr pScreen)
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{
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RootlessScreenRec *s = SCREENREC (pScreen);
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return s->colormap;
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}
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static void
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RootlessInstallColormap (ColormapPtr pMap)
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{
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ScreenPtr pScreen = pMap->pScreen;
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RootlessScreenRec *s = SCREENREC (pScreen);
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SCREEN_UNWRAP(pScreen, InstallColormap);
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if (s->colormap != pMap) {
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s->colormap = pMap;
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s->colormap_changed = TRUE;
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RootlessQueueRedisplay (pScreen);
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}
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pScreen->InstallColormap (pMap);
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SCREEN_WRAP (pScreen, InstallColormap);
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}
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static void
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RootlessUninstallColormap (ColormapPtr pMap)
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{
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ScreenPtr pScreen = pMap->pScreen;
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RootlessScreenRec *s = SCREENREC (pScreen);
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SCREEN_UNWRAP(pScreen, UninstallColormap);
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if (s->colormap == pMap)
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s->colormap = NULL;
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pScreen->UninstallColormap (pMap);
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SCREEN_WRAP(pScreen, UninstallColormap);
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}
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static void
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RootlessStoreColors (ColormapPtr pMap, int ndef, xColorItem *pdef)
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{
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ScreenPtr pScreen = pMap->pScreen;
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RootlessScreenRec *s = SCREENREC (pScreen);
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SCREEN_UNWRAP(pScreen, StoreColors);
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if (s->colormap == pMap && ndef > 0) {
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s->colormap_changed = TRUE;
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RootlessQueueRedisplay (pScreen);
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}
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pScreen->StoreColors (pMap, ndef, pdef);
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SCREEN_WRAP(pScreen, StoreColors);
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}
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static CARD32
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RootlessRedisplayCallback(OsTimerPtr timer, CARD32 time, void *arg)
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@ -616,6 +678,9 @@ RootlessWrap(ScreenPtr pScreen)
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WRAP(MarkOverlappedWindows);
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WRAP(ValidateTree);
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WRAP(ChangeWindowAttributes);
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WRAP(InstallColormap);
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WRAP(UninstallColormap);
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WRAP(StoreColors);
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#ifdef SHAPE
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WRAP(SetShape);
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@ -447,6 +447,12 @@ RootlessInitializeFrame(WindowPtr pWin, RootlessWindowRec *winRec)
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}
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Bool
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RootlessColormapCallback (void *data, int first_color, int n_colors, uint32_t *colors)
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{
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return RootlessResolveColormap (data, first_color, n_colors, colors);
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}
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/*
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* RootlessEnsureFrame
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* Make sure the given window is framed. If the window doesn't have a
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@ -505,6 +511,9 @@ RootlessEnsureFrame(WindowPtr pWin)
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return NULL;
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}
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if (pWin->drawable.depth == 8)
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RootlessFlushWindowColormap(pWin);
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#ifdef SHAPE
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if (pShape != NULL)
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REGION_UNINIT(pScreen, &shape);
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@ -1458,6 +1467,25 @@ out:
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}
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void
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RootlessFlushWindowColormap (WindowPtr pWin)
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{
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RootlessWindowRec *winRec = WINREC (pWin);
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xp_window_changes wc;
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if (winRec == NULL)
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return;
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RootlessStopDrawing (pWin, FALSE);
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/* This is how we tell xp that the colormap may have changed. */
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wc.colormap = RootlessColormapCallback;
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wc.colormap_data = pWin->drawable.pScreen;
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configure_window (winRec->wid, XP_COLORMAP, &wc);
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}
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/*
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* SetPixmapOfAncestors
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* Set the Pixmaps on all ParentRelative windows up the ancestor chain.
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