Darwin: These changes are necessary, yet not sufficient, to get 8-bit indexed

color mode working in Xquartz.
(cherry picked from commit a415f62f52)
This commit is contained in:
Ben Byer 2007-11-11 04:30:34 -08:00 committed by Jeremy Huddleston
parent 8358334180
commit f5f833b806
4 changed files with 251 additions and 14 deletions

View File

@ -37,6 +37,7 @@
#include <limits.h> /* For CHAR_BIT */
#include "rootlessCommon.h"
#include "colormapst.h"
unsigned int rootless_CopyBytes_threshold = 0;
unsigned int rootless_FillBytes_threshold = 0;
@ -98,6 +99,41 @@ IsFramedWindow(WindowPtr pWin)
return (top && WINREC(top));
}
Bool
RootlessResolveColormap (ScreenPtr pScreen, int first_color,
int n_colors, uint32_t *colors)
{
int last, i;
ColormapPtr map;
map = RootlessGetColormap (pScreen);
if (map == NULL || map->class != PseudoColor) return FALSE;
last = MIN (map->pVisual->ColormapEntries, first_color + n_colors);
for (i = MAX (0, first_color); i < last; i++) {
Entry *ent = map->red + i;
uint16_t red, green, blue;
if (!ent->refcnt) continue;
if (ent->fShared) {
red = ent->co.shco.red->color;
green = ent->co.shco.green->color;
blue = ent->co.shco.blue->color;
} else {
red = ent->co.local.red;
green = ent->co.local.green;
blue = ent->co.local.blue;
}
colors[i - first_color] = (0xFF000000UL
| ((uint32_t) red & 0xff00) << 8
| (green & 0xff00)
| (blue >> 8));
}
return TRUE;
}
/*
* RootlessStartDrawing

View File

@ -32,6 +32,7 @@
#include <dix-config.h>
#endif
#include <stdint.h>
#ifndef _ROOTLESSCOMMON_H
#define _ROOTLESSCOMMON_H
@ -106,13 +107,20 @@ typedef struct _RootlessScreenRec {
GlyphsProcPtr Glyphs;
#endif
InstallColormapProcPtr InstallColormap;
UninstallColormapProcPtr UninstallColormap;
StoreColorsProcPtr StoreColors;
void *pixmap_data;
unsigned int pixmap_data_size;
ColormapPtr colormap;
void *redisplay_timer;
unsigned int redisplay_timer_set :1;
unsigned int redisplay_queued :1;
unsigned int redisplay_expired :1;
unsigned int colormap_changed :1;
} RootlessScreenRec, *RootlessScreenPtr;
@ -253,6 +261,16 @@ void RootlessRedisplayScreen(ScreenPtr pScreen);
void RootlessQueueRedisplay(ScreenPtr pScreen);
/* Return the colormap currently installed on the given screen. */
ColormapPtr RootlessGetColormap (ScreenPtr pScreen);
/* Convert colormap to ARGB. */
Bool RootlessResolveColormap (ScreenPtr pScreen, int first_color,
int n_colors, uint32_t *colors);
void RootlessFlushWindowColormap (WindowPtr pWin);
void RootlessFlushScreenColormaps (ScreenPtr pScreen);
// Move a window to its proper location on the screen.
void RootlessRepositionWindow(WindowPtr pWin);

View File

@ -42,6 +42,7 @@
#include "propertyst.h"
#include "mivalidate.h"
#include "picturestr.h"
#include "colormapst.h"
#include <sys/types.h>
#include <sys/stat.h>
@ -469,6 +470,67 @@ RootlessMarkOverlappedWindows(WindowPtr pWin, WindowPtr pFirst,
return result;
}
ColormapPtr
RootlessGetColormap (ScreenPtr pScreen)
{
RootlessScreenRec *s = SCREENREC (pScreen);
return s->colormap;
}
static void
RootlessInstallColormap (ColormapPtr pMap)
{
ScreenPtr pScreen = pMap->pScreen;
RootlessScreenRec *s = SCREENREC (pScreen);
SCREEN_UNWRAP(pScreen, InstallColormap);
if (s->colormap != pMap) {
s->colormap = pMap;
s->colormap_changed = TRUE;
RootlessQueueRedisplay (pScreen);
}
pScreen->InstallColormap (pMap);
SCREEN_WRAP (pScreen, InstallColormap);
}
static void
RootlessUninstallColormap (ColormapPtr pMap)
{
ScreenPtr pScreen = pMap->pScreen;
RootlessScreenRec *s = SCREENREC (pScreen);
SCREEN_UNWRAP(pScreen, UninstallColormap);
if (s->colormap == pMap)
s->colormap = NULL;
pScreen->UninstallColormap (pMap);
SCREEN_WRAP(pScreen, UninstallColormap);
}
static void
RootlessStoreColors (ColormapPtr pMap, int ndef, xColorItem *pdef)
{
ScreenPtr pScreen = pMap->pScreen;
RootlessScreenRec *s = SCREENREC (pScreen);
SCREEN_UNWRAP(pScreen, StoreColors);
if (s->colormap == pMap && ndef > 0) {
s->colormap_changed = TRUE;
RootlessQueueRedisplay (pScreen);
}
pScreen->StoreColors (pMap, ndef, pdef);
SCREEN_WRAP(pScreen, StoreColors);
}
static CARD32
RootlessRedisplayCallback(OsTimerPtr timer, CARD32 time, void *arg)
@ -614,6 +676,9 @@ RootlessWrap(ScreenPtr pScreen)
WRAP(MarkOverlappedWindows);
WRAP(ValidateTree);
WRAP(ChangeWindowAttributes);
WRAP(InstallColormap);
WRAP(UninstallColormap);
WRAP(StoreColors);
#ifdef SHAPE
WRAP(SetShape);

View File

@ -445,6 +445,12 @@ RootlessInitializeFrame(WindowPtr pWin, RootlessWindowRec *winRec)
}
Bool
RootlessColormapCallback (void *data, int first_color, int n_colors, uint32_t *colors)
{
return RootlessResolveColormap (data, first_color, n_colors, colors);
}
/*
* RootlessEnsureFrame
* Make sure the given window is framed. If the window doesn't have a
@ -503,6 +509,9 @@ RootlessEnsureFrame(WindowPtr pWin)
return NULL;
}
if (pWin->drawable.depth == 8)
RootlessFlushWindowColormap(pWin);
#ifdef SHAPE
if (pShape != NULL)
REGION_UNINIT(pScreen, &shape);
@ -1455,6 +1464,115 @@ out:
}
}
void
RootlessFlushWindowColormap (WindowPtr pWin)
{
RootlessWindowRec *winRec = WINREC (pWin);
xp_window_changes wc;
if (winRec == NULL)
return;
RootlessStopDrawing (pWin, FALSE);
/* This is how we tell xp that the colormap may have changed. */
wc.colormap = RootlessColormapCallback;
wc.colormap_data = pWin->drawable.pScreen;
configure_window (winRec->wid, XP_COLORMAP, &wc);
}
/*
* SetPixmapOfAncestors
* Set the Pixmaps on all ParentRelative windows up the ancestor chain.
*/
static void
SetPixmapOfAncestors(WindowPtr pWin)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
WindowPtr topWin = TopLevelParent(pWin);
RootlessWindowRec *topWinRec = WINREC(topWin);
while (pWin->backgroundState == ParentRelative) {
if (pWin == topWin) {
// disallow ParentRelative background state on top level
XID pixel = 0;
ChangeWindowAttributes(pWin, CWBackPixel, &pixel, serverClient);
RL_DEBUG_MSG("Cleared ParentRelative on 0x%x.\n", pWin);
break;
}
pWin = pWin->parent;
pScreen->SetWindowPixmap(pWin, topWinRec->pixmap);
}
}
/*
* RootlessPaintWindowBackground
*/
void
RootlessPaintWindowBackground(WindowPtr pWin, RegionPtr pRegion, int what)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
if (IsRoot(pWin))
return;
RL_DEBUG_MSG("paintwindowbackground start (win 0x%x, framed %i) ",
pWin, IsFramedWindow(pWin));
if (IsFramedWindow(pWin)) {
RootlessStartDrawing(pWin);
RootlessDamageRegion(pWin, pRegion);
// For ParentRelative windows, we have to make sure the window
// pixmap is set correctly all the way up the ancestor chain.
if (pWin->backgroundState == ParentRelative) {
SetPixmapOfAncestors(pWin);
}
}
SCREEN_UNWRAP(pScreen, PaintWindowBackground);
pScreen->PaintWindowBackground(pWin, pRegion, what);
SCREEN_WRAP(pScreen, PaintWindowBackground);
RL_DEBUG_MSG("paintwindowbackground end\n");
}
/*
* RootlessPaintWindowBorder
*/
void
RootlessPaintWindowBorder(WindowPtr pWin, RegionPtr pRegion, int what)
{
RL_DEBUG_MSG("paintwindowborder start (win 0x%x) ", pWin);
if (IsFramedWindow(pWin)) {
RootlessStartDrawing(pWin);
RootlessDamageRegion(pWin, pRegion);
// For ParentRelative windows with tiled borders, we have to make
// sure the window pixmap is set correctly all the way up the
// ancestor chain.
if (!pWin->borderIsPixel &&
pWin->backgroundState == ParentRelative)
{
SetPixmapOfAncestors(pWin);
}
}
SCREEN_UNWRAP(pWin->drawable.pScreen, PaintWindowBorder);
pWin->drawable.pScreen->PaintWindowBorder(pWin, pRegion, what);
SCREEN_WRAP(pWin->drawable.pScreen, PaintWindowBorder);
RL_DEBUG_MSG("paintwindowborder end\n");
}
/*
* RootlessChangeBorderWidth
* FIXME: untested!
@ -1516,20 +1634,20 @@ RootlessChangeBorderWidth(WindowPtr pWin, unsigned int width)
void
RootlessOrderAllWindows (void)
{
int i;
WindowPtr pWin;
RL_DEBUG_MSG("RootlessOrderAllWindows() ");
for (i = 0; i < screenInfo.numScreens; i++) {
if (screenInfo.screens[i] == NULL) continue;
pWin = WindowTable[i];
if (pWin == NULL) continue;
int i;
WindowPtr pWin;
RL_DEBUG_MSG("RootlessOrderAllWindows() ");
for (i = 0; i < screenInfo.numScreens; i++) {
if (screenInfo.screens[i] == NULL) continue;
pWin = WindowTable[i];
if (pWin == NULL) continue;
for (pWin = pWin->firstChild; pWin != NULL; pWin = pWin->nextSib) {
if (!pWin->realized) continue;
if (RootlessEnsureFrame(pWin) == NULL) continue;
RootlessReorderWindow (pWin);
for (pWin = pWin->firstChild; pWin != NULL; pWin = pWin->nextSib) {
if (!pWin->realized) continue;
if (RootlessEnsureFrame(pWin) == NULL) continue;
RootlessReorderWindow (pWin);
}
}
}
RL_DEBUG_MSG("RootlessOrderAllWindows() done");
RL_DEBUG_MSG("RootlessOrderAllWindows() done");
}