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-rw-r--r--xorg-server/hw/xfree86/common/xf86Events.c1487
-rw-r--r--xorg-server/hw/xfree86/common/xf86VGAarbiter.c2291
-rw-r--r--xorg-server/hw/xfree86/common/xf86cmap.c2335
3 files changed, 3023 insertions, 3090 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86Events.c b/xorg-server/hw/xfree86/common/xf86Events.c
index 8cd765a1c..ee4835233 100644
--- a/xorg-server/hw/xfree86/common/xf86Events.c
+++ b/xorg-server/hw/xfree86/common/xf86Events.c
@@ -1,747 +1,740 @@
-/*
- * 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.
- *
- */
-/*
- * Copyright (c) 1994-2003 by The XFree86 Project, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of the copyright holder(s)
- * and author(s) shall not be used in advertising or otherwise to promote
- * the sale, use or other dealings in this Software without prior written
- * authorization from the copyright holder(s) and author(s).
- */
-
-/* [JCH-96/01/21] Extended std reverse map to four buttons. */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xpoll.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "compiler.h"
-#include "xf86.h"
-#include "xf86Priv.h"
-#define XF86_OS_PRIVS
-#include "xf86_OSlib.h"
-#include <X11/keysym.h>
-
-#ifdef XFreeXDGA
-#include "dgaproc.h"
-#endif
-
-#include <X11/extensions/XI.h>
-#include <X11/extensions/XIproto.h>
-#include "inputstr.h"
-#include "xf86Xinput.h"
-
-#include "mi.h"
-#include "mipointer.h"
-
-#include "xkbsrv.h"
-#include "xkbstr.h"
-
-#ifdef DPMSExtension
-#include <X11/extensions/dpmsconst.h>
-#include "dpmsproc.h"
-#endif
-
-/*
- * This is a toggling variable:
- * FALSE = No VT switching keys have been pressed last time around
- * TRUE = Possible VT switch Pending
- * (DWH - 12/2/93)
- *
- * This has been generalised to work with Linux and *BSD+syscons (DHD)
- */
-
-Bool VTSwitchEnabled = TRUE; /* Allows run-time disabling for
- *BSD and for avoiding VT
- switches when using the DRI
- automatic full screen mode.*/
-
-extern fd_set EnabledDevices;
-
-#ifdef XF86PM
-extern void (*xf86OSPMClose)(void);
-#endif
-
-static void xf86VTSwitch(void);
-
-/*
- * Allow arbitrary drivers or other XFree86 code to register with our main
- * Wakeup handler.
- */
-typedef struct x_IHRec {
- int fd;
- InputHandlerProc ihproc;
- pointer data;
- Bool enabled;
- struct x_IHRec * next;
-} IHRec, *IHPtr;
-
-static IHPtr InputHandlers = NULL;
-
-
-Bool
-LegalModifier(unsigned int key, DeviceIntPtr pDev)
-{
- return TRUE;
-}
-
-/*
- * TimeSinceLastInputEvent --
- * Function used for screensaver purposes by the os module. Returns the
- * time in milliseconds since there last was any input.
- */
-int
-TimeSinceLastInputEvent(void)
-{
- if (xf86Info.lastEventTime == 0) {
- xf86Info.lastEventTime = GetTimeInMillis();
- }
- return GetTimeInMillis() - xf86Info.lastEventTime;
-}
-
-/*
- * SetTimeSinceLastInputEvent --
- * Set the lastEventTime to now.
- */
-void
-SetTimeSinceLastInputEvent(void)
-{
- xf86Info.lastEventTime = GetTimeInMillis();
-}
-
-/*
- * ProcessInputEvents --
- * Retrieve all waiting input events and pass them to DIX in their
- * correct chronological order. Only reads from the system pointer
- * and keyboard.
- */
-void
-ProcessInputEvents (void)
-{
- int x, y;
-
- mieqProcessInputEvents();
-
- /* FIXME: This is a problem if we have multiple pointers */
- miPointerGetPosition(inputInfo.pointer, &x, &y);
- xf86SetViewport(xf86Info.currentScreen, x, y);
-}
-
-/*
- * Handle keyboard events that cause some kind of "action"
- * (i.e., server termination, video mode changes, VT switches, etc.)
- */
-void
-xf86ProcessActionEvent(ActionEvent action, void *arg)
-{
- DebugF("ProcessActionEvent(%d,%x)\n", (int) action, arg);
- switch (action) {
- case ACTION_TERMINATE:
- if (!xf86Info.dontZap) {
-#ifdef XFreeXDGA
- DGAShutdown();
-#endif
- GiveUp(0);
- }
- break;
- case ACTION_NEXT_MODE:
- if (!xf86Info.dontZoom)
- xf86ZoomViewport(xf86Info.currentScreen, 1);
- break;
- case ACTION_PREV_MODE:
- if (!xf86Info.dontZoom)
- xf86ZoomViewport(xf86Info.currentScreen, -1);
- break;
-#if defined(VT_ACTIVATE)
- case ACTION_SWITCHSCREEN:
- if (VTSwitchEnabled && !xf86Info.dontVTSwitch && arg) {
- int vtno = *((int *) arg);
-#if defined(__SCO__) || defined(__UNIXWARE__)
- vtno--;
-#endif
-#if defined(sun)
- if (vtno == xf86Info.vtno)
- break;
-
- xf86Info.vtRequestsPending = TRUE;
- xf86Info.vtPendingNum = vtno;
-#else
- if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vtno) < 0)
- ErrorF("Failed to switch consoles (%s)\n", strerror(errno));
-#endif
- }
- break;
- case ACTION_SWITCHSCREEN_NEXT:
- if (VTSwitchEnabled && !xf86Info.dontVTSwitch) {
-#if defined(__SCO__) || defined(__UNIXWARE__)
- if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) < 0)
-#else
- if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno + 1) < 0)
-#endif
-#if defined (__SCO__) || (defined(sun) && defined (__i386__) && defined (SVR4)) || defined(__UNIXWARE__)
- if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, 0) < 0)
-#else
- if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, 1) < 0)
-#endif
- ErrorF("Failed to switch consoles (%s)\n", strerror(errno));
- }
- break;
- case ACTION_SWITCHSCREEN_PREV:
- if (VTSwitchEnabled && !xf86Info.dontVTSwitch && xf86Info.vtno > 0) {
- if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno - 1) < 0)
- ErrorF("Failed to switch consoles (%s)\n", strerror(errno));
- }
- break;
-#endif
- default:
- break;
- }
-}
-
-/*
- * xf86Wakeup --
- * Os wakeup handler.
- */
-
-/* ARGSUSED */
-void
-xf86Wakeup(pointer blockData, int err, pointer pReadmask)
-{
- fd_set* LastSelectMask = (fd_set*)pReadmask;
- fd_set devicesWithInput;
- InputInfoPtr pInfo;
-
- if (err >= 0) {
-
- XFD_ANDSET(&devicesWithInput, LastSelectMask, &EnabledDevices);
- if (XFD_ANYSET(&devicesWithInput)) {
- pInfo = xf86InputDevs;
- while (pInfo) {
- if (pInfo->read_input && pInfo->fd >= 0 &&
- (FD_ISSET(pInfo->fd, &devicesWithInput) != 0)) {
- int sigstate = xf86BlockSIGIO();
-
- /*
- * Remove the descriptior from the set because more than one
- * device may share the same file descriptor.
- */
- FD_CLR(pInfo->fd, &devicesWithInput);
-
- pInfo->read_input(pInfo);
- xf86UnblockSIGIO(sigstate);
- }
- pInfo = pInfo->next;
- }
- }
- }
-
- if (err >= 0) { /* we don't want the handlers called if select() */
- IHPtr ih; /* returned with an error condition, do we? */
-
- for (ih = InputHandlers; ih; ih = ih->next) {
- if (ih->enabled && ih->fd >= 0 && ih->ihproc &&
- (FD_ISSET(ih->fd, ((fd_set *)pReadmask)) != 0)) {
- ih->ihproc(ih->fd, ih->data);
- }
- }
- }
-
- if (xf86VTSwitchPending()) xf86VTSwitch();
-}
-
-
-/*
- * xf86SigioReadInput --
- * signal handler for the SIGIO signal.
- */
-static void
-xf86SigioReadInput(int fd, void *closure)
-{
- int errno_save = errno;
- InputInfoPtr pInfo = closure;
-
- pInfo->read_input(pInfo);
-
- errno = errno_save;
-}
-
-/*
- * xf86AddEnabledDevice --
- *
- */
-void
-xf86AddEnabledDevice(InputInfoPtr pInfo)
-{
- if (!xf86InstallSIGIOHandler (pInfo->fd, xf86SigioReadInput, pInfo)) {
- AddEnabledDevice(pInfo->fd);
- }
-}
-
-/*
- * xf86RemoveEnabledDevice --
- *
- */
-void
-xf86RemoveEnabledDevice(InputInfoPtr pInfo)
-{
- if (!xf86RemoveSIGIOHandler (pInfo->fd)) {
- RemoveEnabledDevice(pInfo->fd);
- }
-}
-
-static int *xf86SignalIntercept = NULL;
-
-void
-xf86InterceptSignals(int *signo)
-{
- if ((xf86SignalIntercept = signo))
- *signo = -1;
-}
-
-static void (*xf86SigIllHandler)(void) = NULL;
-
-void
-xf86InterceptSigIll(void (*sigillhandler)(void))
-{
- xf86SigIllHandler = sigillhandler;
-}
-
-/*
- * xf86SigWrapper --
- * Catch unexpected signals and exit or continue cleanly.
- */
-int
-xf86SigWrapper(int signo)
-{
- if ((signo == SIGILL) && xf86SigIllHandler) {
- (*xf86SigIllHandler)();
- return 0; /* continue */
- }
-
- if (xf86SignalIntercept && (*xf86SignalIntercept < 0)) {
- *xf86SignalIntercept = signo;
- return 0; /* continue */
- }
-
- xf86Info.caughtSignal = TRUE;
- return 1; /* abort */
-}
-
-/*
- * xf86PrintBacktrace --
- * Print a stack backtrace for debugging purposes.
- */
-void
-xf86PrintBacktrace(void)
-{
- xorg_backtrace();
-}
-
-#define KeyPressed(k) (keyc->postdown[k >> 3] & (1 << (k & 7)))
-
-static void
-xf86ReleaseKeys(DeviceIntPtr pDev)
-{
- KeyClassPtr keyc;
- int i, j, nevents, sigstate;
-
- if (!pDev || !pDev->key)
- return;
-
- keyc = pDev->key;
-
- /*
- * Hmm... here is the biggest hack of every time !
- * It may be possible that a switch-vt procedure has finished BEFORE
- * you released all keys neccessary to do this. That peculiar behavior
- * can fool the X-server pretty much, cause it assumes that some keys
- * were not released. TWM may stuck alsmost completly....
- * OK, what we are doing here is after returning from the vt-switch
- * exeplicitely unrelease all keyboard keys before the input-devices
- * are reenabled.
- */
-
- for (i = keyc->xkbInfo->desc->min_key_code;
- i < keyc->xkbInfo->desc->max_key_code;
- i++) {
- if (KeyPressed(i)) {
- sigstate = xf86BlockSIGIO ();
- nevents = GetKeyboardEvents(xf86Events, pDev, KeyRelease, i);
- for (j = 0; j < nevents; j++)
- mieqEnqueue(pDev, (InternalEvent*)(xf86Events + j)->event);
- xf86UnblockSIGIO(sigstate);
- }
- }
-}
-
-/*
- * xf86VTSwitch --
- * Handle requests for switching the vt.
- */
-static void
-xf86VTSwitch(void)
-{
- int i, prevSIGIO;
- InputInfoPtr pInfo;
- IHPtr ih;
-
- DebugF("xf86VTSwitch()\n");
-
-#ifdef XFreeXDGA
- if(!DGAVTSwitch())
- return;
-#endif
-
- /*
- * Since all screens are currently all in the same state it is sufficient
- * check the first. This might change in future.
- */
- if (xf86Screens[0]->vtSema) {
-
- DebugF("xf86VTSwitch: Leaving, xf86Exiting is %s\n",
- BOOLTOSTRING((dispatchException & DE_TERMINATE) ? TRUE : FALSE));
-#ifdef DPMSExtension
- if (DPMSPowerLevel != DPMSModeOn)
- DPMSSet(serverClient, DPMSModeOn);
-#endif
- for (i = 0; i < xf86NumScreens; i++) {
- if (!(dispatchException & DE_TERMINATE))
- if (xf86Screens[i]->EnableDisableFBAccess)
- (*xf86Screens[i]->EnableDisableFBAccess) (i, FALSE);
- }
-
- /*
- * Keep the order: Disable Device > LeaveVT
- * EnterVT > EnableDevice
- */
- for (ih = InputHandlers; ih; ih = ih->next)
- xf86DisableInputHandler(ih);
- for (pInfo = xf86InputDevs; pInfo; pInfo = pInfo->next) {
- if (pInfo->dev) {
- xf86ReleaseKeys(pInfo->dev);
- ProcessInputEvents();
- DisableDevice(pInfo->dev, TRUE);
- }
- }
- xf86EnterServerState(SETUP);
- for (i = 0; i < xf86NumScreens; i++)
- xf86Screens[i]->LeaveVT(i, 0);
-
- xf86AccessLeave(); /* We need this here, otherwise */
-
- if (!xf86VTSwitchAway()) {
- /*
- * switch failed
- */
-
- DebugF("xf86VTSwitch: Leave failed\n");
- prevSIGIO = xf86BlockSIGIO();
- xf86AccessEnter();
- xf86EnterServerState(SETUP);
- for (i = 0; i < xf86NumScreens; i++) {
- if (!xf86Screens[i]->EnterVT(i, 0))
- FatalError("EnterVT failed for screen %d\n", i);
- }
- xf86EnterServerState(OPERATING);
- if (!(dispatchException & DE_TERMINATE)) {
- for (i = 0; i < xf86NumScreens; i++) {
- if (xf86Screens[i]->EnableDisableFBAccess)
- (*xf86Screens[i]->EnableDisableFBAccess) (i, TRUE);
- }
- }
- dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
-
- pInfo = xf86InputDevs;
- while (pInfo) {
- if (pInfo->dev)
- EnableDevice(pInfo->dev, TRUE);
- pInfo = pInfo->next;
- }
- for (ih = InputHandlers; ih; ih = ih->next)
- xf86EnableInputHandler(ih);
-
- xf86UnblockSIGIO(prevSIGIO);
-
- } else {
-#ifdef XF86PM
- if (xf86OSPMClose)
- xf86OSPMClose();
- xf86OSPMClose = NULL;
-#endif
-
- for (i = 0; i < xf86NumScreens; i++) {
- /*
- * zero all access functions to
- * trap calls when switched away.
- */
- xf86Screens[i]->vtSema = FALSE;
- }
- if (xorgHWAccess)
- xf86DisableIO();
- }
- } else {
-
- DebugF("xf86VTSwitch: Entering\n");
- if (!xf86VTSwitchTo()) return;
-
- prevSIGIO = xf86BlockSIGIO();
-#ifdef XF86PM
- xf86OSPMClose = xf86OSPMOpen();
-#endif
-
- if (xorgHWAccess)
- xf86EnableIO();
- xf86AccessEnter();
- xf86EnterServerState(SETUP);
- for (i = 0; i < xf86NumScreens; i++) {
- xf86Screens[i]->vtSema = TRUE;
- if (!xf86Screens[i]->EnterVT(i, 0))
- FatalError("EnterVT failed for screen %d\n", i);
- }
- xf86EnterServerState(OPERATING);
- for (i = 0; i < xf86NumScreens; i++) {
- if (xf86Screens[i]->EnableDisableFBAccess)
- (*xf86Screens[i]->EnableDisableFBAccess)(i, TRUE);
- }
-
- /* Turn screen saver off when switching back */
- dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
-
- pInfo = xf86InputDevs;
- while (pInfo) {
- if (pInfo->dev)
- EnableDevice(pInfo->dev, TRUE);
- pInfo = pInfo->next;
- }
-
- for (ih = InputHandlers; ih; ih = ih->next)
- xf86EnableInputHandler(ih);
-
- xf86UnblockSIGIO(prevSIGIO);
- }
-}
-
-
-/* Input handler registration */
-
-static pointer
-addInputHandler(int fd, InputHandlerProc proc, pointer data)
-{
- IHPtr ih;
-
- if (fd < 0 || !proc)
- return NULL;
-
- ih = xcalloc(sizeof(*ih), 1);
- if (!ih)
- return NULL;
-
- ih->fd = fd;
- ih->ihproc = proc;
- ih->data = data;
- ih->enabled = TRUE;
-
- ih->next = InputHandlers;
- InputHandlers = ih;
-
- return ih;
-}
-
-pointer
-xf86AddInputHandler(int fd, InputHandlerProc proc, pointer data)
-{
- IHPtr ih = addInputHandler(fd, proc, data);
-
- if (ih)
- AddEnabledDevice(fd);
- return ih;
-}
-
-pointer
-xf86AddGeneralHandler(int fd, InputHandlerProc proc, pointer data)
-{
- IHPtr ih = addInputHandler(fd, proc, data);
-
- if (ih)
- AddGeneralSocket(fd);
- return ih;
-}
-
-static void
-removeInputHandler(IHPtr ih)
-{
- IHPtr p;
-
- if (ih == InputHandlers)
- InputHandlers = ih->next;
- else {
- p = InputHandlers;
- while (p && p->next != ih)
- p = p->next;
- if (ih)
- p->next = ih->next;
- }
- xfree(ih);
-}
-
-int
-xf86RemoveInputHandler(pointer handler)
-{
- IHPtr ih;
- int fd;
-
- if (!handler)
- return -1;
-
- ih = handler;
- fd = ih->fd;
-
- if (ih->fd >= 0)
- RemoveEnabledDevice(ih->fd);
- removeInputHandler(ih);
-
- return fd;
-}
-
-int
-xf86RemoveGeneralHandler(pointer handler)
-{
- IHPtr ih;
- int fd;
-
- if (!handler)
- return -1;
-
- ih = handler;
- fd = ih->fd;
-
- if (ih->fd >= 0)
- RemoveGeneralSocket(ih->fd);
- removeInputHandler(ih);
-
- return fd;
-}
-
-void
-xf86DisableInputHandler(pointer handler)
-{
- IHPtr ih;
-
- if (!handler)
- return;
-
- ih = handler;
- ih->enabled = FALSE;
- if (ih->fd >= 0)
- RemoveEnabledDevice(ih->fd);
-}
-
-void
-xf86DisableGeneralHandler(pointer handler)
-{
- IHPtr ih;
-
- if (!handler)
- return;
-
- ih = handler;
- ih->enabled = FALSE;
- if (ih->fd >= 0)
- RemoveGeneralSocket(ih->fd);
-}
-
-void
-xf86EnableInputHandler(pointer handler)
-{
- IHPtr ih;
-
- if (!handler)
- return;
-
- ih = handler;
- ih->enabled = TRUE;
- if (ih->fd >= 0)
- AddEnabledDevice(ih->fd);
-}
-
-void
-xf86EnableGeneralHandler(pointer handler)
-{
- IHPtr ih;
-
- if (!handler)
- return;
-
- ih = handler;
- ih->enabled = TRUE;
- if (ih->fd >= 0)
- AddGeneralSocket(ih->fd);
-}
-
-/*
- * As used currently by the DRI, the return value is ignored.
- */
-Bool
-xf86EnableVTSwitch(Bool new)
-{
- static Bool def = TRUE;
- Bool old;
-
- old = VTSwitchEnabled;
- if (!new) {
- /* Disable VT switching */
- def = VTSwitchEnabled;
- VTSwitchEnabled = FALSE;
- } else {
- /* Restore VT switching to default */
- VTSwitchEnabled = def;
- }
- return old;
-}
-
-void
-DDXRingBell(int volume, int pitch, int duration) {
- xf86OSRingBell(volume, pitch, duration);
-}
+/*
+ * 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.
+ *
+ */
+/*
+ * Copyright (c) 1994-2003 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the copyright holder(s)
+ * and author(s) shall not be used in advertising or otherwise to promote
+ * the sale, use or other dealings in this Software without prior written
+ * authorization from the copyright holder(s) and author(s).
+ */
+
+/* [JCH-96/01/21] Extended std reverse map to four buttons. */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xpoll.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "compiler.h"
+#include "xf86.h"
+#include "xf86Priv.h"
+#define XF86_OS_PRIVS
+#include "xf86_OSlib.h"
+#include <X11/keysym.h>
+
+#ifdef XFreeXDGA
+#include "dgaproc.h"
+#endif
+
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include "inputstr.h"
+#include "xf86Xinput.h"
+
+#include "mi.h"
+#include "mipointer.h"
+
+#include "xkbsrv.h"
+#include "xkbstr.h"
+
+#ifdef DPMSExtension
+#include <X11/extensions/dpmsconst.h>
+#include "dpmsproc.h"
+#endif
+
+/*
+ * This is a toggling variable:
+ * FALSE = No VT switching keys have been pressed last time around
+ * TRUE = Possible VT switch Pending
+ * (DWH - 12/2/93)
+ *
+ * This has been generalised to work with Linux and *BSD+syscons (DHD)
+ */
+
+Bool VTSwitchEnabled = TRUE; /* Allows run-time disabling for
+ *BSD and for avoiding VT
+ switches when using the DRI
+ automatic full screen mode.*/
+
+extern fd_set EnabledDevices;
+
+#ifdef XF86PM
+extern void (*xf86OSPMClose)(void);
+#endif
+
+static void xf86VTSwitch(void);
+
+/*
+ * Allow arbitrary drivers or other XFree86 code to register with our main
+ * Wakeup handler.
+ */
+typedef struct x_IHRec {
+ int fd;
+ InputHandlerProc ihproc;
+ pointer data;
+ Bool enabled;
+ struct x_IHRec * next;
+} IHRec, *IHPtr;
+
+static IHPtr InputHandlers = NULL;
+
+
+Bool
+LegalModifier(unsigned int key, DeviceIntPtr pDev)
+{
+ return TRUE;
+}
+
+/*
+ * TimeSinceLastInputEvent --
+ * Function used for screensaver purposes by the os module. Returns the
+ * time in milliseconds since there last was any input.
+ */
+int
+TimeSinceLastInputEvent(void)
+{
+ if (xf86Info.lastEventTime == 0) {
+ xf86Info.lastEventTime = GetTimeInMillis();
+ }
+ return GetTimeInMillis() - xf86Info.lastEventTime;
+}
+
+/*
+ * SetTimeSinceLastInputEvent --
+ * Set the lastEventTime to now.
+ */
+void
+SetTimeSinceLastInputEvent(void)
+{
+ xf86Info.lastEventTime = GetTimeInMillis();
+}
+
+/*
+ * ProcessInputEvents --
+ * Retrieve all waiting input events and pass them to DIX in their
+ * correct chronological order. Only reads from the system pointer
+ * and keyboard.
+ */
+void
+ProcessInputEvents (void)
+{
+ int x, y;
+
+ mieqProcessInputEvents();
+
+ /* FIXME: This is a problem if we have multiple pointers */
+ miPointerGetPosition(inputInfo.pointer, &x, &y);
+ xf86SetViewport(xf86Info.currentScreen, x, y);
+}
+
+/*
+ * Handle keyboard events that cause some kind of "action"
+ * (i.e., server termination, video mode changes, VT switches, etc.)
+ */
+void
+xf86ProcessActionEvent(ActionEvent action, void *arg)
+{
+ DebugF("ProcessActionEvent(%d,%x)\n", (int) action, arg);
+ switch (action) {
+ case ACTION_TERMINATE:
+ if (!xf86Info.dontZap) {
+#ifdef XFreeXDGA
+ DGAShutdown();
+#endif
+ GiveUp(0);
+ }
+ break;
+ case ACTION_NEXT_MODE:
+ if (!xf86Info.dontZoom)
+ xf86ZoomViewport(xf86Info.currentScreen, 1);
+ break;
+ case ACTION_PREV_MODE:
+ if (!xf86Info.dontZoom)
+ xf86ZoomViewport(xf86Info.currentScreen, -1);
+ break;
+ case ACTION_SWITCHSCREEN:
+ if (VTSwitchEnabled && !xf86Info.dontVTSwitch && arg) {
+ int vtno = *((int *) arg);
+
+ if (vtno != xf86Info.vtno) {
+ if (!xf86VTActivate(vtno)) {
+ ErrorF("Failed to switch from vt%02d to vt%02d: %s\n",
+ xf86Info.vtno, vtno, strerror(errno));
+ }
+ }
+ }
+ break;
+ case ACTION_SWITCHSCREEN_NEXT:
+ if (VTSwitchEnabled && !xf86Info.dontVTSwitch) {
+ if (!xf86VTActivate(xf86Info.vtno + 1)) {
+ /* If first try failed, assume this is the last VT and
+ * try wrapping around to the first vt.
+ */
+ if (!xf86VTActivate(1)) {
+ ErrorF("Failed to switch from vt%02d to next vt: %s\n",
+ xf86Info.vtno, strerror(errno));
+ }
+ }
+ }
+ break;
+ case ACTION_SWITCHSCREEN_PREV:
+ if (VTSwitchEnabled && !xf86Info.dontVTSwitch && xf86Info.vtno > 0) {
+ if (!xf86VTActivate(xf86Info.vtno - 1)) {
+ /* Don't know what the maximum VT is, so can't wrap around */
+ ErrorF("Failed to switch from vt%02d to previous vt: %s\n",
+ xf86Info.vtno, strerror(errno));
+ }
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+/*
+ * xf86Wakeup --
+ * Os wakeup handler.
+ */
+
+/* ARGSUSED */
+void
+xf86Wakeup(pointer blockData, int err, pointer pReadmask)
+{
+ fd_set* LastSelectMask = (fd_set*)pReadmask;
+ fd_set devicesWithInput;
+ InputInfoPtr pInfo;
+
+ if (err >= 0) {
+
+ XFD_ANDSET(&devicesWithInput, LastSelectMask, &EnabledDevices);
+ if (XFD_ANYSET(&devicesWithInput)) {
+ pInfo = xf86InputDevs;
+ while (pInfo) {
+ if (pInfo->read_input && pInfo->fd >= 0 &&
+ (FD_ISSET(pInfo->fd, &devicesWithInput) != 0)) {
+ int sigstate = xf86BlockSIGIO();
+
+ /*
+ * Remove the descriptior from the set because more than one
+ * device may share the same file descriptor.
+ */
+ FD_CLR(pInfo->fd, &devicesWithInput);
+
+ pInfo->read_input(pInfo);
+ xf86UnblockSIGIO(sigstate);
+ }
+ pInfo = pInfo->next;
+ }
+ }
+ }
+
+ if (err >= 0) { /* we don't want the handlers called if select() */
+ IHPtr ih; /* returned with an error condition, do we? */
+
+ for (ih = InputHandlers; ih; ih = ih->next) {
+ if (ih->enabled && ih->fd >= 0 && ih->ihproc &&
+ (FD_ISSET(ih->fd, ((fd_set *)pReadmask)) != 0)) {
+ ih->ihproc(ih->fd, ih->data);
+ }
+ }
+ }
+
+ if (xf86VTSwitchPending()) xf86VTSwitch();
+}
+
+
+/*
+ * xf86SigioReadInput --
+ * signal handler for the SIGIO signal.
+ */
+static void
+xf86SigioReadInput(int fd, void *closure)
+{
+ int errno_save = errno;
+ InputInfoPtr pInfo = closure;
+
+ pInfo->read_input(pInfo);
+
+ errno = errno_save;
+}
+
+/*
+ * xf86AddEnabledDevice --
+ *
+ */
+void
+xf86AddEnabledDevice(InputInfoPtr pInfo)
+{
+ if (!xf86InstallSIGIOHandler (pInfo->fd, xf86SigioReadInput, pInfo)) {
+ AddEnabledDevice(pInfo->fd);
+ }
+}
+
+/*
+ * xf86RemoveEnabledDevice --
+ *
+ */
+void
+xf86RemoveEnabledDevice(InputInfoPtr pInfo)
+{
+ if (!xf86RemoveSIGIOHandler (pInfo->fd)) {
+ RemoveEnabledDevice(pInfo->fd);
+ }
+}
+
+static int *xf86SignalIntercept = NULL;
+
+void
+xf86InterceptSignals(int *signo)
+{
+ if ((xf86SignalIntercept = signo))
+ *signo = -1;
+}
+
+static void (*xf86SigIllHandler)(void) = NULL;
+
+void
+xf86InterceptSigIll(void (*sigillhandler)(void))
+{
+ xf86SigIllHandler = sigillhandler;
+}
+
+/*
+ * xf86SigWrapper --
+ * Catch unexpected signals and exit or continue cleanly.
+ */
+int
+xf86SigWrapper(int signo)
+{
+ if ((signo == SIGILL) && xf86SigIllHandler) {
+ (*xf86SigIllHandler)();
+ return 0; /* continue */
+ }
+
+ if (xf86SignalIntercept && (*xf86SignalIntercept < 0)) {
+ *xf86SignalIntercept = signo;
+ return 0; /* continue */
+ }
+
+ xf86Info.caughtSignal = TRUE;
+ return 1; /* abort */
+}
+
+/*
+ * xf86PrintBacktrace --
+ * Print a stack backtrace for debugging purposes.
+ */
+void
+xf86PrintBacktrace(void)
+{
+ xorg_backtrace();
+}
+
+#define KeyPressed(k) (keyc->postdown[k >> 3] & (1 << (k & 7)))
+
+static void
+xf86ReleaseKeys(DeviceIntPtr pDev)
+{
+ KeyClassPtr keyc;
+ int i, j, nevents, sigstate;
+
+ if (!pDev || !pDev->key)
+ return;
+
+ keyc = pDev->key;
+
+ /*
+ * Hmm... here is the biggest hack of every time !
+ * It may be possible that a switch-vt procedure has finished BEFORE
+ * you released all keys neccessary to do this. That peculiar behavior
+ * can fool the X-server pretty much, cause it assumes that some keys
+ * were not released. TWM may stuck alsmost completly....
+ * OK, what we are doing here is after returning from the vt-switch
+ * exeplicitely unrelease all keyboard keys before the input-devices
+ * are reenabled.
+ */
+
+ for (i = keyc->xkbInfo->desc->min_key_code;
+ i < keyc->xkbInfo->desc->max_key_code;
+ i++) {
+ if (KeyPressed(i)) {
+ sigstate = xf86BlockSIGIO ();
+ nevents = GetKeyboardEvents(xf86Events, pDev, KeyRelease, i);
+ for (j = 0; j < nevents; j++)
+ mieqEnqueue(pDev, (InternalEvent*)(xf86Events + j)->event);
+ xf86UnblockSIGIO(sigstate);
+ }
+ }
+}
+
+/*
+ * xf86VTSwitch --
+ * Handle requests for switching the vt.
+ */
+static void
+xf86VTSwitch(void)
+{
+ int i, prevSIGIO;
+ InputInfoPtr pInfo;
+ IHPtr ih;
+
+ DebugF("xf86VTSwitch()\n");
+
+#ifdef XFreeXDGA
+ if(!DGAVTSwitch())
+ return;
+#endif
+
+ /*
+ * Since all screens are currently all in the same state it is sufficient
+ * check the first. This might change in future.
+ */
+ if (xf86Screens[0]->vtSema) {
+
+ DebugF("xf86VTSwitch: Leaving, xf86Exiting is %s\n",
+ BOOLTOSTRING((dispatchException & DE_TERMINATE) ? TRUE : FALSE));
+#ifdef DPMSExtension
+ if (DPMSPowerLevel != DPMSModeOn)
+ DPMSSet(serverClient, DPMSModeOn);
+#endif
+ for (i = 0; i < xf86NumScreens; i++) {
+ if (!(dispatchException & DE_TERMINATE))
+ if (xf86Screens[i]->EnableDisableFBAccess)
+ (*xf86Screens[i]->EnableDisableFBAccess) (i, FALSE);
+ }
+
+ /*
+ * Keep the order: Disable Device > LeaveVT
+ * EnterVT > EnableDevice
+ */
+ for (ih = InputHandlers; ih; ih = ih->next)
+ xf86DisableInputHandler(ih);
+ for (pInfo = xf86InputDevs; pInfo; pInfo = pInfo->next) {
+ if (pInfo->dev) {
+ xf86ReleaseKeys(pInfo->dev);
+ ProcessInputEvents();
+ DisableDevice(pInfo->dev, TRUE);
+ }
+ }
+ xf86EnterServerState(SETUP);
+ for (i = 0; i < xf86NumScreens; i++)
+ xf86Screens[i]->LeaveVT(i, 0);
+
+ xf86AccessLeave(); /* We need this here, otherwise */
+
+ if (!xf86VTSwitchAway()) {
+ /*
+ * switch failed
+ */
+
+ DebugF("xf86VTSwitch: Leave failed\n");
+ prevSIGIO = xf86BlockSIGIO();
+ xf86AccessEnter();
+ xf86EnterServerState(SETUP);
+ for (i = 0; i < xf86NumScreens; i++) {
+ if (!xf86Screens[i]->EnterVT(i, 0))
+ FatalError("EnterVT failed for screen %d\n", i);
+ }
+ xf86EnterServerState(OPERATING);
+ if (!(dispatchException & DE_TERMINATE)) {
+ for (i = 0; i < xf86NumScreens; i++) {
+ if (xf86Screens[i]->EnableDisableFBAccess)
+ (*xf86Screens[i]->EnableDisableFBAccess) (i, TRUE);
+ }
+ }
+ dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
+
+ pInfo = xf86InputDevs;
+ while (pInfo) {
+ if (pInfo->dev)
+ EnableDevice(pInfo->dev, TRUE);
+ pInfo = pInfo->next;
+ }
+ for (ih = InputHandlers; ih; ih = ih->next)
+ xf86EnableInputHandler(ih);
+
+ xf86UnblockSIGIO(prevSIGIO);
+
+ } else {
+#ifdef XF86PM
+ if (xf86OSPMClose)
+ xf86OSPMClose();
+ xf86OSPMClose = NULL;
+#endif
+
+ for (i = 0; i < xf86NumScreens; i++) {
+ /*
+ * zero all access functions to
+ * trap calls when switched away.
+ */
+ xf86Screens[i]->vtSema = FALSE;
+ }
+ if (xorgHWAccess)
+ xf86DisableIO();
+ }
+ } else {
+
+ DebugF("xf86VTSwitch: Entering\n");
+ if (!xf86VTSwitchTo()) return;
+
+ prevSIGIO = xf86BlockSIGIO();
+#ifdef XF86PM
+ xf86OSPMClose = xf86OSPMOpen();
+#endif
+
+ if (xorgHWAccess)
+ xf86EnableIO();
+ xf86AccessEnter();
+ xf86EnterServerState(SETUP);
+ for (i = 0; i < xf86NumScreens; i++) {
+ xf86Screens[i]->vtSema = TRUE;
+ if (!xf86Screens[i]->EnterVT(i, 0))
+ FatalError("EnterVT failed for screen %d\n", i);
+ }
+ xf86EnterServerState(OPERATING);
+ for (i = 0; i < xf86NumScreens; i++) {
+ if (xf86Screens[i]->EnableDisableFBAccess)
+ (*xf86Screens[i]->EnableDisableFBAccess)(i, TRUE);
+ }
+
+ /* Turn screen saver off when switching back */
+ dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
+
+ pInfo = xf86InputDevs;
+ while (pInfo) {
+ if (pInfo->dev)
+ EnableDevice(pInfo->dev, TRUE);
+ pInfo = pInfo->next;
+ }
+
+ for (ih = InputHandlers; ih; ih = ih->next)
+ xf86EnableInputHandler(ih);
+
+ xf86UnblockSIGIO(prevSIGIO);
+ }
+}
+
+
+/* Input handler registration */
+
+static pointer
+addInputHandler(int fd, InputHandlerProc proc, pointer data)
+{
+ IHPtr ih;
+
+ if (fd < 0 || !proc)
+ return NULL;
+
+ ih = xcalloc(sizeof(*ih), 1);
+ if (!ih)
+ return NULL;
+
+ ih->fd = fd;
+ ih->ihproc = proc;
+ ih->data = data;
+ ih->enabled = TRUE;
+
+ ih->next = InputHandlers;
+ InputHandlers = ih;
+
+ return ih;
+}
+
+pointer
+xf86AddInputHandler(int fd, InputHandlerProc proc, pointer data)
+{
+ IHPtr ih = addInputHandler(fd, proc, data);
+
+ if (ih)
+ AddEnabledDevice(fd);
+ return ih;
+}
+
+pointer
+xf86AddGeneralHandler(int fd, InputHandlerProc proc, pointer data)
+{
+ IHPtr ih = addInputHandler(fd, proc, data);
+
+ if (ih)
+ AddGeneralSocket(fd);
+ return ih;
+}
+
+static void
+removeInputHandler(IHPtr ih)
+{
+ IHPtr p;
+
+ if (ih == InputHandlers)
+ InputHandlers = ih->next;
+ else {
+ p = InputHandlers;
+ while (p && p->next != ih)
+ p = p->next;
+ if (ih)
+ p->next = ih->next;
+ }
+ xfree(ih);
+}
+
+int
+xf86RemoveInputHandler(pointer handler)
+{
+ IHPtr ih;
+ int fd;
+
+ if (!handler)
+ return -1;
+
+ ih = handler;
+ fd = ih->fd;
+
+ if (ih->fd >= 0)
+ RemoveEnabledDevice(ih->fd);
+ removeInputHandler(ih);
+
+ return fd;
+}
+
+int
+xf86RemoveGeneralHandler(pointer handler)
+{
+ IHPtr ih;
+ int fd;
+
+ if (!handler)
+ return -1;
+
+ ih = handler;
+ fd = ih->fd;
+
+ if (ih->fd >= 0)
+ RemoveGeneralSocket(ih->fd);
+ removeInputHandler(ih);
+
+ return fd;
+}
+
+void
+xf86DisableInputHandler(pointer handler)
+{
+ IHPtr ih;
+
+ if (!handler)
+ return;
+
+ ih = handler;
+ ih->enabled = FALSE;
+ if (ih->fd >= 0)
+ RemoveEnabledDevice(ih->fd);
+}
+
+void
+xf86DisableGeneralHandler(pointer handler)
+{
+ IHPtr ih;
+
+ if (!handler)
+ return;
+
+ ih = handler;
+ ih->enabled = FALSE;
+ if (ih->fd >= 0)
+ RemoveGeneralSocket(ih->fd);
+}
+
+void
+xf86EnableInputHandler(pointer handler)
+{
+ IHPtr ih;
+
+ if (!handler)
+ return;
+
+ ih = handler;
+ ih->enabled = TRUE;
+ if (ih->fd >= 0)
+ AddEnabledDevice(ih->fd);
+}
+
+void
+xf86EnableGeneralHandler(pointer handler)
+{
+ IHPtr ih;
+
+ if (!handler)
+ return;
+
+ ih = handler;
+ ih->enabled = TRUE;
+ if (ih->fd >= 0)
+ AddGeneralSocket(ih->fd);
+}
+
+/*
+ * As used currently by the DRI, the return value is ignored.
+ */
+Bool
+xf86EnableVTSwitch(Bool new)
+{
+ static Bool def = TRUE;
+ Bool old;
+
+ old = VTSwitchEnabled;
+ if (!new) {
+ /* Disable VT switching */
+ def = VTSwitchEnabled;
+ VTSwitchEnabled = FALSE;
+ } else {
+ /* Restore VT switching to default */
+ VTSwitchEnabled = def;
+ }
+ return old;
+}
+
+void
+DDXRingBell(int volume, int pitch, int duration) {
+ xf86OSRingBell(volume, pitch, duration);
+}
diff --git a/xorg-server/hw/xfree86/common/xf86VGAarbiter.c b/xorg-server/hw/xfree86/common/xf86VGAarbiter.c
index b24099811..a3eccdfff 100644
--- a/xorg-server/hw/xfree86/common/xf86VGAarbiter.c
+++ b/xorg-server/hw/xfree86/common/xf86VGAarbiter.c
@@ -1,1178 +1,1113 @@
-/*
- * This code was stolen from RAC and adapted to control the legacy vga
- * interface.
- *
- *
- * Copyright (c) 2007 Paulo R. Zanoni, Tiago Vignatti
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include "xorg-config.h"
-
-#include "xf86VGAarbiter.h"
-
-#ifdef HAVE_PCI_DEVICE_VGAARB_INIT
-#include "xf86VGAarbiterPriv.h"
-#include "xf86Bus.h"
-#include "xf86Priv.h"
-#include "pciaccess.h"
-
-#ifdef DEBUG
-#error "no, really, you dont want to do this"
-#define DPRINT_S(x,y) ErrorF(x ": %i\n",y);
-#define DPRINT(x) ErrorF(x "\n");
-#else
-#define DPRINT_S(x,y)
-#define DPRINT(x)
-#endif
-
-static GCFuncs VGAarbiterGCFuncs = {
- VGAarbiterValidateGC, VGAarbiterChangeGC, VGAarbiterCopyGC,
- VGAarbiterDestroyGC, VGAarbiterChangeClip, VGAarbiterDestroyClip,
- VGAarbiterCopyClip
-};
-
-static GCOps VGAarbiterGCOps = {
- VGAarbiterFillSpans, VGAarbiterSetSpans, VGAarbiterPutImage,
- VGAarbiterCopyArea, VGAarbiterCopyPlane, VGAarbiterPolyPoint,
- VGAarbiterPolylines, VGAarbiterPolySegment, VGAarbiterPolyRectangle,
- VGAarbiterPolyArc, VGAarbiterFillPolygon, VGAarbiterPolyFillRect,
- VGAarbiterPolyFillArc, VGAarbiterPolyText8, VGAarbiterPolyText16,
- VGAarbiterImageText8, VGAarbiterImageText16, VGAarbiterImageGlyphBlt,
- VGAarbiterPolyGlyphBlt, VGAarbiterPushPixels,
- {NULL} /* devPrivate */
-};
-
-static miPointerSpriteFuncRec VGAarbiterSpriteFuncs = {
- VGAarbiterSpriteRealizeCursor, VGAarbiterSpriteUnrealizeCursor,
- VGAarbiterSpriteSetCursor, VGAarbiterSpriteMoveCursor,
- VGAarbiterDeviceCursorInitialize, VGAarbiterDeviceCursorCleanup
-};
-
-static int VGAarbiterKeyIndex;
-static DevPrivateKey VGAarbiterScreenKey = &VGAarbiterKeyIndex;
-static int VGAarbiterGCIndex;
-static DevPrivateKey VGAarbiterGCKey = &VGAarbiterGCIndex;
-
-static int vga_no_arb = 0;
-void
-xf86VGAarbiterInit(void)
-{
- if (pci_device_vgaarb_init() != 0) {
- vga_no_arb = 1;
- xf86Msg(X_WARNING, "VGA arbiter: cannot open kernel arbiter, no multi-card support\n");
- }
-}
-
-void
-xf86VGAarbiterFini(void)
-{
- if (vga_no_arb)
- return;
- pci_device_vgaarb_fini();
-}
-
-void
-xf86VGAarbiterLock(ScrnInfoPtr pScrn)
-{
- if (vga_no_arb)
- return;
- pci_device_vgaarb_set_target(pScrn->vgaDev);
- pci_device_vgaarb_lock();
-}
-
-void
-xf86VGAarbiterUnlock(ScrnInfoPtr pScrn)
-{
- if (vga_no_arb)
- return;
- pci_device_vgaarb_unlock();
-}
-
-Bool xf86VGAarbiterAllowDRI(ScreenPtr pScreen)
-{
- int vga_count;
- int rsrc_decodes;
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-
- if (vga_no_arb)
- return TRUE;
-
- pci_device_vgaarb_get_info(pScrn->vgaDev, &vga_count, &rsrc_decodes);
- if (vga_count > 1) {
- if (rsrc_decodes) {
- return FALSE;
- }
- }
- return TRUE;
-}
-
-void
-xf86VGAarbiterScrnInit(ScrnInfoPtr pScrn)
-{
- struct pci_device *dev;
- EntityPtr pEnt;
-
- if (vga_no_arb)
- return;
-
- pEnt = xf86Entities[pScrn->entityList[0]];
- if (pEnt->bus.type != BUS_PCI)
- return;
-
- dev = pEnt->bus.id.pci;
- pScrn->vgaDev = dev;
-}
-
-void
-xf86VGAarbiterDeviceDecodes(ScrnInfoPtr pScrn)
-{
- if (vga_no_arb)
- return;
- pci_device_vgaarb_decodes(VGA_ARB_RSRC_LEGACY_MEM | VGA_ARB_RSRC_LEGACY_IO);
-}
-
-Bool
-xf86VGAarbiterWrapFunctions(void)
-{
- ScrnInfoPtr pScrn;
- VGAarbiterScreenPtr pScreenPriv;
- miPointerScreenPtr PointPriv;
-#ifdef RENDER
- PictureScreenPtr ps;
-#endif
- ScreenPtr pScreen;
- int vga_count, i;
-
- if (vga_no_arb)
- return FALSE;
-
- /*
- * we need to wrap the arbiter if we have more than
- * one VGA card - hotplug cries.
- */
- pci_device_vgaarb_get_info(NULL, &vga_count, NULL);
- if (vga_count < 2 || !xf86Screens)
- return FALSE;
-
- xf86Msg(X_INFO,"Found %d VGA devices: arbiter wrapping enabled\n",
- vga_count);
-
- for (i = 0; i < xf86NumScreens; i++) {
- pScreen = xf86Screens[i]->pScreen;
-#ifdef RENDER
- ps = GetPictureScreenIfSet(pScreen);
-#endif
- pScrn = xf86Screens[pScreen->myNum];
- PointPriv = dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey);
-
- DPRINT_S("VGAarbiterWrapFunctions",pScreen->myNum);
-
- if (!dixRequestPrivate(VGAarbiterGCKey, sizeof(VGAarbiterGCRec)))
- return FALSE;
-
- if (!(pScreenPriv = xalloc(sizeof(VGAarbiterScreenRec))))
- return FALSE;
-
- dixSetPrivate(&pScreen->devPrivates, VGAarbiterScreenKey, pScreenPriv);
-
- WRAP_SCREEN(CloseScreen, VGAarbiterCloseScreen);
- WRAP_SCREEN(SaveScreen, VGAarbiterSaveScreen);
- WRAP_SCREEN(WakeupHandler, VGAarbiterWakeupHandler);
- WRAP_SCREEN(BlockHandler, VGAarbiterBlockHandler);
- WRAP_SCREEN(CreateGC, VGAarbiterCreateGC);
- WRAP_SCREEN(GetImage, VGAarbiterGetImage);
- WRAP_SCREEN(GetSpans, VGAarbiterGetSpans);
- WRAP_SCREEN(SourceValidate, VGAarbiterSourceValidate);
- WRAP_SCREEN(CopyWindow, VGAarbiterCopyWindow);
- WRAP_SCREEN(ClearToBackground, VGAarbiterClearToBackground);
- WRAP_SCREEN(CreatePixmap, VGAarbiterCreatePixmap);
- WRAP_SCREEN(StoreColors, VGAarbiterStoreColors);
- WRAP_SCREEN(DisplayCursor, VGAarbiterDisplayCursor);
- WRAP_SCREEN(RealizeCursor, VGAarbiterRealizeCursor);
- WRAP_SCREEN(UnrealizeCursor, VGAarbiterUnrealizeCursor);
- WRAP_SCREEN(RecolorCursor, VGAarbiterRecolorCursor);
- WRAP_SCREEN(SetCursorPosition, VGAarbiterSetCursorPosition);
-#ifdef RENDER
- WRAP_PICT(Composite,VGAarbiterComposite);
- WRAP_PICT(Glyphs,VGAarbiterGlyphs);
- WRAP_PICT(CompositeRects,VGAarbiterCompositeRects);
-#endif
- WRAP_SCREEN_INFO(AdjustFrame, VGAarbiterAdjustFrame);
- WRAP_SCREEN_INFO(SwitchMode, VGAarbiterSwitchMode);
- WRAP_SCREEN_INFO(EnterVT, VGAarbiterEnterVT);
- WRAP_SCREEN_INFO(LeaveVT, VGAarbiterLeaveVT);
- WRAP_SCREEN_INFO(FreeScreen, VGAarbiterFreeScreen);
- WRAP_SPRITE;
- }
-
- return TRUE;
-}
-
-/* Screen funcs */
-static Bool
-VGAarbiterCloseScreen (int i, ScreenPtr pScreen)
-{
- Bool val;
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, VGAarbiterScreenKey);
- miPointerScreenPtr PointPriv = (miPointerScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, miPointerScreenKey);
-#ifdef RENDER
- PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
-#endif
-
- DPRINT_S("VGAarbiterCloseScreen",pScreen->myNum);
- UNWRAP_SCREEN(CreateGC);
- UNWRAP_SCREEN(CloseScreen);
- UNWRAP_SCREEN(GetImage);
- UNWRAP_SCREEN(GetSpans);
- UNWRAP_SCREEN(SourceValidate);
- UNWRAP_SCREEN(CopyWindow);
- UNWRAP_SCREEN(ClearToBackground);
- UNWRAP_SCREEN(SaveScreen);
- UNWRAP_SCREEN(StoreColors);
- UNWRAP_SCREEN(DisplayCursor);
- UNWRAP_SCREEN(RealizeCursor);
- UNWRAP_SCREEN(UnrealizeCursor);
- UNWRAP_SCREEN(RecolorCursor);
- UNWRAP_SCREEN(SetCursorPosition);
-#ifdef RENDER
- UNWRAP_PICT(Composite);
- UNWRAP_PICT(Glyphs);
- UNWRAP_PICT(CompositeRects);
-#endif
- UNWRAP_SCREEN_INFO(AdjustFrame);
- UNWRAP_SCREEN_INFO(SwitchMode);
- UNWRAP_SCREEN_INFO(EnterVT);
- UNWRAP_SCREEN_INFO(LeaveVT);
- UNWRAP_SCREEN_INFO(FreeScreen);
- UNWRAP_SPRITE;
-
- xfree ((pointer) pScreenPriv);
- xf86VGAarbiterLock(xf86Screens[i]);
- val = (*pScreen->CloseScreen) (i, pScreen);
- xf86VGAarbiterUnlock(xf86Screens[i]);
- return val;
-}
-
-static void
-VGAarbiterBlockHandler(int i,
- pointer blockData, pointer pTimeout, pointer pReadmask)
-{
- ScreenPtr pScreen = screenInfo.screens[i];
- SCREEN_PROLOG(BlockHandler);
- VGAGet();
- pScreen->BlockHandler(i, blockData, pTimeout, pReadmask);
- VGAPut();
- SCREEN_EPILOG(BlockHandler, VGAarbiterBlockHandler);
-}
-
-static void
-VGAarbiterWakeupHandler(int i, pointer blockData, unsigned long result, pointer pReadmask)
-{
- ScreenPtr pScreen = screenInfo.screens[i];
- SCREEN_PROLOG(WakeupHandler);
- VGAGet();
- pScreen->WakeupHandler(i, blockData, result, pReadmask);
- VGAPut();
- SCREEN_EPILOG(WakeupHandler, VGAarbiterWakeupHandler);
-}
-
-static void
-VGAarbiterGetImage (
- DrawablePtr pDrawable,
- int sx, int sy, int w, int h,
- unsigned int format,
- unsigned long planemask,
- char *pdstLine
- )
-{
- ScreenPtr pScreen = pDrawable->pScreen;
- DPRINT_S("VGAarbiterGetImage",pScreen->myNum);
- SCREEN_PROLOG(GetImage);
-// if (xf86Screens[pScreen->myNum]->vtSema) {
- VGAGet();
-// }
- (*pScreen->GetImage) (pDrawable, sx, sy, w, h,
- format, planemask, pdstLine);
- VGAPut();
- SCREEN_EPILOG (GetImage, VGAarbiterGetImage);
-}
-
-static void
-VGAarbiterGetSpans (
- DrawablePtr pDrawable,
- int wMax,
- DDXPointPtr ppt,
- int *pwidth,
- int nspans,
- char *pdstStart
- )
-{
- ScreenPtr pScreen = pDrawable->pScreen;
-
- DPRINT_S("VGAarbiterGetSpans",pScreen->myNum);
- SCREEN_PROLOG (GetSpans);
- VGAGet();
- (*pScreen->GetSpans) (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
- VGAPut();
- SCREEN_EPILOG (GetSpans, VGAarbiterGetSpans);
-}
-
-static void
-VGAarbiterSourceValidate (
- DrawablePtr pDrawable,
- int x, int y, int width, int height )
-{
- ScreenPtr pScreen = pDrawable->pScreen;
- DPRINT_S("VGAarbiterSourceValidate",pScreen->myNum);
- SCREEN_PROLOG (SourceValidate);
- VGAGet();
- if (pScreen->SourceValidate)
- (*pScreen->SourceValidate) (pDrawable, x, y, width, height);
- VGAPut();
- SCREEN_EPILOG (SourceValidate, VGAarbiterSourceValidate);
-}
-
-static void
-VGAarbiterCopyWindow(
- WindowPtr pWin,
- DDXPointRec ptOldOrg,
- RegionPtr prgnSrc )
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- DPRINT_S("VGAarbiterCopyWindow",pScreen->myNum);
- SCREEN_PROLOG (CopyWindow);
- VGAGet();
- (*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc);
- VGAPut();
- SCREEN_EPILOG (CopyWindow, VGAarbiterCopyWindow);
-}
-
-static void
-VGAarbiterClearToBackground (
- WindowPtr pWin,
- int x, int y,
- int w, int h,
- Bool generateExposures )
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- DPRINT_S("VGAarbiterClearToBackground",pScreen->myNum);
- SCREEN_PROLOG ( ClearToBackground);
- VGAGet();
- (*pScreen->ClearToBackground) (pWin, x, y, w, h, generateExposures);
- VGAPut();
- SCREEN_EPILOG (ClearToBackground, VGAarbiterClearToBackground);
-}
-
-static PixmapPtr
-VGAarbiterCreatePixmap(ScreenPtr pScreen, int w, int h, int depth, unsigned usage_hint)
-{
- PixmapPtr pPix;
-
- DPRINT_S("VGAarbiterCreatePixmap",pScreen->myNum);
- SCREEN_PROLOG ( CreatePixmap);
- VGAGet();
- pPix = (*pScreen->CreatePixmap) (pScreen, w, h, depth, usage_hint);
- VGAPut();
- SCREEN_EPILOG (CreatePixmap, VGAarbiterCreatePixmap);
-
- return pPix;
-}
-
-static Bool
-VGAarbiterSaveScreen(ScreenPtr pScreen, Bool unblank)
-{
- Bool val;
-
- DPRINT_S("VGAarbiterSaveScreen",pScreen->myNum);
- SCREEN_PROLOG (SaveScreen);
- VGAGet();
- val = (*pScreen->SaveScreen) (pScreen, unblank);
- VGAPut();
- SCREEN_EPILOG (SaveScreen, VGAarbiterSaveScreen);
-
- return val;
-}
-
-static void
-VGAarbiterStoreColors (
- ColormapPtr pmap,
- int ndef,
- xColorItem *pdefs)
-{
- ScreenPtr pScreen = pmap->pScreen;
-
- DPRINT_S("VGAarbiterStoreColors",pScreen->myNum);
- SCREEN_PROLOG (StoreColors);
- VGAGet();
- (*pScreen->StoreColors) (pmap,ndef,pdefs);
- VGAPut();
- SCREEN_EPILOG ( StoreColors, VGAarbiterStoreColors);
-}
-
-static void
-VGAarbiterRecolorCursor (
- DeviceIntPtr pDev,
- ScreenPtr pScreen,
- CursorPtr pCurs,
- Bool displayed
- )
-{
- DPRINT_S("VGAarbiterRecolorCursor",pScreen->myNum);
- SCREEN_PROLOG (RecolorCursor);
- VGAGet();
- (*pScreen->RecolorCursor) (pDev, pScreen, pCurs, displayed);
- VGAPut();
- SCREEN_EPILOG ( RecolorCursor, VGAarbiterRecolorCursor);
-}
-
-static Bool
-VGAarbiterRealizeCursor (
- DeviceIntPtr pDev,
- ScreenPtr pScreen,
- CursorPtr pCursor
- )
-{
- Bool val;
-
- DPRINT_S("VGAarbiterRealizeCursor",pScreen->myNum);
- SCREEN_PROLOG (RealizeCursor);
- VGAGet();
- val = (*pScreen->RealizeCursor) (pDev, pScreen,pCursor);
- VGAPut();
- SCREEN_EPILOG ( RealizeCursor, VGAarbiterRealizeCursor);
- return val;
-}
-
-static Bool
-VGAarbiterUnrealizeCursor (
- DeviceIntPtr pDev,
- ScreenPtr pScreen,
- CursorPtr pCursor
- )
-{
- Bool val;
-
- DPRINT_S("VGAarbiterUnrealizeCursor",pScreen->myNum);
- SCREEN_PROLOG (UnrealizeCursor);
- VGAGet();
- val = (*pScreen->UnrealizeCursor) (pDev, pScreen, pCursor);
- VGAPut();
- SCREEN_EPILOG ( UnrealizeCursor, VGAarbiterUnrealizeCursor);
- return val;
-}
-
-static Bool
-VGAarbiterDisplayCursor (
- DeviceIntPtr pDev,
- ScreenPtr pScreen,
- CursorPtr pCursor
- )
-{
- Bool val;
-
- DPRINT_S("VGAarbiterDisplayCursor",pScreen->myNum);
- SCREEN_PROLOG (DisplayCursor);
- VGAGet();
- val = (*pScreen->DisplayCursor) (pDev, pScreen, pCursor);
- VGAPut();
- SCREEN_EPILOG ( DisplayCursor, VGAarbiterDisplayCursor);
- return val;
-}
-
-static Bool
-VGAarbiterSetCursorPosition (
- DeviceIntPtr pDev,
- ScreenPtr pScreen,
- int x, int y,
- Bool generateEvent)
-{
- Bool val;
-
- DPRINT_S("VGAarbiterSetCursorPosition",pScreen->myNum);
- SCREEN_PROLOG (SetCursorPosition);
- VGAGet();
- val = (*pScreen->SetCursorPosition) (pDev, pScreen, x, y, generateEvent);
- VGAPut();
- SCREEN_EPILOG ( SetCursorPosition, VGAarbiterSetCursorPosition);
- return val;
-}
-
-static void
-VGAarbiterAdjustFrame(int index, int x, int y, int flags)
-{
- ScreenPtr pScreen = screenInfo.screens[index];
- VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, VGAarbiterScreenKey);
-
- DPRINT_S("VGAarbiterAdjustFrame",index);
- VGAGet();
- (*pScreenPriv->AdjustFrame)(index, x, y, flags);
- VGAPut();
-}
-
-static Bool
-VGAarbiterSwitchMode(int index, DisplayModePtr mode, int flags)
-{
- Bool val;
- ScreenPtr pScreen = screenInfo.screens[index];
- VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, VGAarbiterScreenKey);
-
- DPRINT_S("VGAarbiterSwitchMode",index);
- VGAGet();
- val = (*pScreenPriv->SwitchMode)(index, mode, flags);
- VGAPut();
- return val;
-}
-
-static Bool
-VGAarbiterEnterVT(int index, int flags)
-{
- Bool val;
- ScreenPtr pScreen = screenInfo.screens[index];
- VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, VGAarbiterScreenKey);
-
- DPRINT_S("VGAarbiterEnterVT",index);
- VGAGet();
- val = (*pScreenPriv->EnterVT)(index, flags);
- VGAPut();
- return val;
-}
-
-static void
-VGAarbiterLeaveVT(int index, int flags)
-{
- ScreenPtr pScreen = screenInfo.screens[index];
- VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, VGAarbiterScreenKey);
-
- DPRINT_S("VGAarbiterLeaveVT",index);
-
- VGAGet();
- (*pScreenPriv->LeaveVT)(index, flags);
- VGAPut();
-}
-
-static void
-VGAarbiterFreeScreen(int index, int flags)
-{
- ScreenPtr pScreen = screenInfo.screens[index];
- VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, VGAarbiterScreenKey);
-
- DPRINT_S("VGAarbiterFreeScreen",index);
-
- VGAGet();
- (*pScreenPriv->FreeScreen)(index, flags);
- VGAPut();
-}
-
-static Bool
-VGAarbiterCreateGC(GCPtr pGC)
-{
- ScreenPtr pScreen = pGC->pScreen;
- VGAarbiterGCPtr pGCPriv = (VGAarbiterGCPtr)dixLookupPrivate(&pGC->devPrivates, VGAarbiterGCKey);
- Bool ret;
-
- DPRINT_S("VGAarbiterCreateGC",pScreen->myNum);
- SCREEN_PROLOG(CreateGC);
- VGAGet();
- ret = (*pScreen->CreateGC)(pGC);
- VGAPut();
- GC_WRAP(pGC);
- SCREEN_EPILOG(CreateGC,VGAarbiterCreateGC);
-
- return ret;
-}
-
-/* GC funcs */
-static void
-VGAarbiterValidateGC(
- GCPtr pGC,
- unsigned long changes,
- DrawablePtr pDraw )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterValidateGC");
- (*pGC->funcs->ValidateGC)(pGC, changes, pDraw);
- GC_WRAP(pGC);
-}
-
-
-static void
-VGAarbiterDestroyGC(GCPtr pGC)
-{
- GC_UNWRAP (pGC);
- DPRINT("VGAarbiterDestroyGC");
- (*pGC->funcs->DestroyGC)(pGC);
- GC_WRAP (pGC);
-}
-
-static void
-VGAarbiterChangeGC (
- GCPtr pGC,
- unsigned long mask)
-{
- GC_UNWRAP (pGC);
- DPRINT("VGAarbiterChangeGC");
- (*pGC->funcs->ChangeGC) (pGC, mask);
- GC_WRAP (pGC);
-}
-
-static void
-VGAarbiterCopyGC (
- GCPtr pGCSrc,
- unsigned long mask,
- GCPtr pGCDst)
-{
- GC_UNWRAP (pGCDst);
- DPRINT("VGAarbiterCopyGC");
- (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);
- GC_WRAP (pGCDst);
-}
-
-static void
-VGAarbiterChangeClip (
- GCPtr pGC,
- int type,
- pointer pvalue,
- int nrects )
-{
- GC_UNWRAP (pGC);
- DPRINT("VGAarbiterChangeClip");
- (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects);
- GC_WRAP (pGC);
-}
-
-static void
-VGAarbiterCopyClip(GCPtr pgcDst, GCPtr pgcSrc)
-{
- GC_UNWRAP (pgcDst);
- DPRINT("VGAarbiterCopyClip");
- (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc);
- GC_WRAP (pgcDst);
-}
-
-static void
-VGAarbiterDestroyClip(GCPtr pGC)
-{
- GC_UNWRAP (pGC);
- DPRINT("VGAarbiterDestroyClip");
- (* pGC->funcs->DestroyClip)(pGC);
- GC_WRAP (pGC);
-}
-
-/* GC Ops */
-static void
-VGAarbiterFillSpans(
- DrawablePtr pDraw,
- GC *pGC,
- int nInit,
- DDXPointPtr pptInit,
- int *pwidthInit,
- int fSorted )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterFillSpans");
- VGAGet_GC();
- (*pGC->ops->FillSpans)(pDraw, pGC, nInit, pptInit, pwidthInit, fSorted);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-static void
-VGAarbiterSetSpans(
- DrawablePtr pDraw,
- GCPtr pGC,
- char *pcharsrc,
- register DDXPointPtr ppt,
- int *pwidth,
- int nspans,
- int fSorted )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterSetSpans");
- VGAGet_GC();
- (*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, ppt, pwidth, nspans, fSorted);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-static void
-VGAarbiterPutImage(
- DrawablePtr pDraw,
- GCPtr pGC,
- int depth,
- int x, int y, int w, int h,
- int leftPad,
- int format,
- char *pImage )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterPutImage");
- VGAGet_GC();
- (*pGC->ops->PutImage)(pDraw, pGC, depth, x, y, w, h,
- leftPad, format, pImage);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-static RegionPtr
-VGAarbiterCopyArea(
- DrawablePtr pSrc,
- DrawablePtr pDst,
- GC *pGC,
- int srcx, int srcy,
- int width, int height,
- int dstx, int dsty )
-{
- RegionPtr ret;
-
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterCopyArea");
- VGAGet_GC();
- ret = (*pGC->ops->CopyArea)(pSrc, pDst,
- pGC, srcx, srcy, width, height, dstx, dsty);
- VGAPut_GC();
- GC_WRAP(pGC);
- return ret;
-}
-
-static RegionPtr
-VGAarbiterCopyPlane(
- DrawablePtr pSrc,
- DrawablePtr pDst,
- GCPtr pGC,
- int srcx, int srcy,
- int width, int height,
- int dstx, int dsty,
- unsigned long bitPlane )
-{
- RegionPtr ret;
-
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterCopyPlane");
- VGAGet_GC();
- ret = (*pGC->ops->CopyPlane)(pSrc, pDst, pGC, srcx, srcy,
- width, height, dstx, dsty, bitPlane);
- VGAPut_GC();
- GC_WRAP(pGC);
- return ret;
-}
-
-static void
-VGAarbiterPolyPoint(
- DrawablePtr pDraw,
- GCPtr pGC,
- int mode,
- int npt,
- xPoint *pptInit )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterPolyPoint");
- VGAGet_GC();
- (*pGC->ops->PolyPoint)(pDraw, pGC, mode, npt, pptInit);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-
-static void
-VGAarbiterPolylines(
- DrawablePtr pDraw,
- GCPtr pGC,
- int mode,
- int npt,
- DDXPointPtr pptInit )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterPolylines");
- VGAGet_GC();
- (*pGC->ops->Polylines)(pDraw, pGC, mode, npt, pptInit);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-static void
-VGAarbiterPolySegment(
- DrawablePtr pDraw,
- GCPtr pGC,
- int nseg,
- xSegment *pSeg )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterPolySegment");
- VGAGet_GC();
- (*pGC->ops->PolySegment)(pDraw, pGC, nseg, pSeg);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-static void
-VGAarbiterPolyRectangle(
- DrawablePtr pDraw,
- GCPtr pGC,
- int nRectsInit,
- xRectangle *pRectsInit )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterPolyRectangle");
- VGAGet_GC();
- (*pGC->ops->PolyRectangle)(pDraw, pGC, nRectsInit, pRectsInit);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-static void
-VGAarbiterPolyArc(
- DrawablePtr pDraw,
- GCPtr pGC,
- int narcs,
- xArc *parcs )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterPolyArc");
- VGAGet_GC();
- (*pGC->ops->PolyArc)(pDraw, pGC, narcs, parcs);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-static void
-VGAarbiterFillPolygon(
- DrawablePtr pDraw,
- GCPtr pGC,
- int shape,
- int mode,
- int count,
- DDXPointPtr ptsIn )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterFillPolygon");
- VGAGet_GC();
- (*pGC->ops->FillPolygon)(pDraw, pGC, shape, mode, count, ptsIn);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-static void
-VGAarbiterPolyFillRect(
- DrawablePtr pDraw,
- GCPtr pGC,
- int nrectFill,
- xRectangle *prectInit)
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterPolyFillRect");
- VGAGet_GC();
- (*pGC->ops->PolyFillRect)(pDraw, pGC, nrectFill, prectInit);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-static void
-VGAarbiterPolyFillArc(
- DrawablePtr pDraw,
- GCPtr pGC,
- int narcs,
- xArc *parcs )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterPolyFillArc");
- VGAGet_GC();
- (*pGC->ops->PolyFillArc)(pDraw, pGC, narcs, parcs);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-static int
-VGAarbiterPolyText8(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x,
- int y,
- int count,
- char *chars )
-{
- int ret;
-
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterPolyText8");
- VGAGet_GC();
- ret = (*pGC->ops->PolyText8)(pDraw, pGC, x, y, count, chars);
- VGAPut_GC();
- GC_WRAP(pGC);
- return ret;
-}
-
-static int
-VGAarbiterPolyText16(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x,
- int y,
- int count,
- unsigned short *chars )
-{
- int ret;
-
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterPolyText16");
- VGAGet_GC();
- ret = (*pGC->ops->PolyText16)(pDraw, pGC, x, y, count, chars);
- VGAPut_GC();
- GC_WRAP(pGC);
- return ret;
-}
-
-static void
-VGAarbiterImageText8(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x,
- int y,
- int count,
- char *chars )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterImageText8");
- VGAGet_GC();
- (*pGC->ops->ImageText8)(pDraw, pGC, x, y, count, chars);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-static void
-VGAarbiterImageText16(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x,
- int y,
- int count,
- unsigned short *chars )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterImageText16");
- VGAGet_GC();
- (*pGC->ops->ImageText16)(pDraw, pGC, x, y, count, chars);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-
-static void
-VGAarbiterImageGlyphBlt(
- DrawablePtr pDraw,
- GCPtr pGC,
- int xInit, int yInit,
- unsigned int nglyph,
- CharInfoPtr *ppci,
- pointer pglyphBase )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterImageGlyphBlt");
- VGAGet_GC();
- (*pGC->ops->ImageGlyphBlt)(pDraw, pGC, xInit, yInit,
- nglyph, ppci, pglyphBase);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-static void
-VGAarbiterPolyGlyphBlt(
- DrawablePtr pDraw,
- GCPtr pGC,
- int xInit, int yInit,
- unsigned int nglyph,
- CharInfoPtr *ppci,
- pointer pglyphBase )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterPolyGlyphBlt");
- VGAGet_GC();
- (*pGC->ops->PolyGlyphBlt)(pDraw, pGC, xInit, yInit,
- nglyph, ppci, pglyphBase);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-static void
-VGAarbiterPushPixels(
- GCPtr pGC,
- PixmapPtr pBitMap,
- DrawablePtr pDraw,
- int dx, int dy, int xOrg, int yOrg )
-{
- GC_UNWRAP(pGC);
- DPRINT("VGAarbiterPushPixels");
- VGAGet_GC();
- (*pGC->ops->PushPixels)(pGC, pBitMap, pDraw, dx, dy, xOrg, yOrg);
- VGAPut_GC();
- GC_WRAP(pGC);
-}
-
-
-/* miSpriteFuncs */
-static Bool
-VGAarbiterSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCur)
-{
- Bool val;
- SPRITE_PROLOG;
- DPRINT_S("VGAarbiterSpriteRealizeCursor",pScreen->myNum);
- VGAGet();
- val = PointPriv->spriteFuncs->RealizeCursor(pDev, pScreen, pCur);
- VGAPut();
- SPRITE_EPILOG;
- return val;
-}
-
-static Bool
-VGAarbiterSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCur)
-{
- Bool val;
- SPRITE_PROLOG;
- DPRINT_S("VGAarbiterSpriteUnrealizeCursor",pScreen->myNum);
- VGAGet();
- val = PointPriv->spriteFuncs->UnrealizeCursor(pDev, pScreen, pCur);
- VGAPut();
- SPRITE_EPILOG;
- return val;
-}
-
-static void
-VGAarbiterSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCur, int x, int y)
-{
- SPRITE_PROLOG;
- DPRINT_S("VGAarbiterSpriteSetCursor",pScreen->myNum);
- VGAGet();
- PointPriv->spriteFuncs->SetCursor(pDev, pScreen, pCur, x, y);
- VGAPut();
- SPRITE_EPILOG;
-}
-
-static void
-VGAarbiterSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
-{
- SPRITE_PROLOG;
- DPRINT_S("VGAarbiterSpriteMoveCursor",pScreen->myNum);
- VGAGet();
- PointPriv->spriteFuncs->MoveCursor(pDev, pScreen, x, y);
- VGAPut();
- SPRITE_EPILOG;
-}
-
-static Bool
-VGAarbiterDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
-{
- Bool val;
- SPRITE_PROLOG;
- DPRINT_S("VGAarbiterDeviceCursorInitialize",pScreen->myNum);
- VGAGet();
- val = PointPriv->spriteFuncs->DeviceCursorInitialize(pDev, pScreen);
- VGAPut();
- SPRITE_EPILOG;
- return val;
-}
-
-static void
-VGAarbiterDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
-{
- SPRITE_PROLOG;
- DPRINT_S("VGAarbiterDeviceCursorCleanup",pScreen->myNum);
- VGAGet();
- PointPriv->spriteFuncs->DeviceCursorCleanup(pDev, pScreen);
- VGAPut();
- SPRITE_EPILOG;
-}
-
-#ifdef RENDER
-static void
-VGAarbiterComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask,
- PicturePtr pDst, INT16 xSrc, INT16 ySrc, INT16 xMask,
- INT16 yMask, INT16 xDst, INT16 yDst, CARD16 width,
- CARD16 height)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
-
- PICTURE_PROLOGUE(Composite);
-
- VGAGet();
- (*ps->Composite) (op, pSrc, pMask, pDst, xSrc, ySrc, xMask, yMask, xDst,
- yDst, width, height);
- VGAPut();
- PICTURE_EPILOGUE(Composite, VGAarbiterComposite);
-}
-
-static void
-VGAarbiterGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
- PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, int nlist,
- GlyphListPtr list, GlyphPtr *glyphs)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
-
- PICTURE_PROLOGUE(Glyphs);
-
- VGAGet();
- (*ps->Glyphs)(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
- VGAPut();
- PICTURE_EPILOGUE (Glyphs, VGAarbiterGlyphs);
-}
-
-static void
-VGAarbiterCompositeRects(CARD8 op, PicturePtr pDst, xRenderColor *color, int nRect,
- xRectangle *rects)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
-
- PICTURE_PROLOGUE(CompositeRects);
-
- VGAGet();
- (*ps->CompositeRects)(op, pDst, color, nRect, rects);
- VGAPut();
- PICTURE_EPILOGUE (CompositeRects, VGAarbiterCompositeRects);
-}
-#endif
-#else
-/* dummy functions */
-void xf86VGAarbiterInit(void) {}
-void xf86VGAarbiterFini(void) {}
-
-void xf86VGAarbiterLock(ScrnInfoPtr pScrn) {}
-void xf86VGAarbiterUnlock(ScrnInfoPtr pScrn) {}
-Bool xf86VGAarbiterAllowDRI(ScreenPtr pScreen) { return TRUE; }
-void xf86VGAarbiterScrnInit(ScrnInfoPtr pScrn) {}
-void xf86VGAarbiterDeviceDecodes(ScrnInfoPtr pScrn) {}
-Bool xf86VGAarbiterWrapFunctions(void) { return FALSE; }
-
-#endif
+/*
+ * This code was stolen from RAC and adapted to control the legacy vga
+ * interface.
+ *
+ *
+ * Copyright (c) 2007 Paulo R. Zanoni, Tiago Vignatti
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "xorg-config.h"
+
+#include "xf86VGAarbiter.h"
+
+#ifdef HAVE_PCI_DEVICE_VGAARB_INIT
+#include "xf86VGAarbiterPriv.h"
+#include "xf86Bus.h"
+#include "xf86Priv.h"
+#include "pciaccess.h"
+
+
+static GCFuncs VGAarbiterGCFuncs = {
+ VGAarbiterValidateGC, VGAarbiterChangeGC, VGAarbiterCopyGC,
+ VGAarbiterDestroyGC, VGAarbiterChangeClip, VGAarbiterDestroyClip,
+ VGAarbiterCopyClip
+};
+
+static GCOps VGAarbiterGCOps = {
+ VGAarbiterFillSpans, VGAarbiterSetSpans, VGAarbiterPutImage,
+ VGAarbiterCopyArea, VGAarbiterCopyPlane, VGAarbiterPolyPoint,
+ VGAarbiterPolylines, VGAarbiterPolySegment, VGAarbiterPolyRectangle,
+ VGAarbiterPolyArc, VGAarbiterFillPolygon, VGAarbiterPolyFillRect,
+ VGAarbiterPolyFillArc, VGAarbiterPolyText8, VGAarbiterPolyText16,
+ VGAarbiterImageText8, VGAarbiterImageText16, VGAarbiterImageGlyphBlt,
+ VGAarbiterPolyGlyphBlt, VGAarbiterPushPixels,
+ {NULL} /* devPrivate */
+};
+
+static miPointerSpriteFuncRec VGAarbiterSpriteFuncs = {
+ VGAarbiterSpriteRealizeCursor, VGAarbiterSpriteUnrealizeCursor,
+ VGAarbiterSpriteSetCursor, VGAarbiterSpriteMoveCursor,
+ VGAarbiterDeviceCursorInitialize, VGAarbiterDeviceCursorCleanup
+};
+
+static int VGAarbiterKeyIndex;
+static DevPrivateKey VGAarbiterScreenKey = &VGAarbiterKeyIndex;
+static int VGAarbiterGCIndex;
+static DevPrivateKey VGAarbiterGCKey = &VGAarbiterGCIndex;
+
+static int vga_no_arb = 0;
+void
+xf86VGAarbiterInit(void)
+{
+ if (pci_device_vgaarb_init() != 0) {
+ vga_no_arb = 1;
+ xf86Msg(X_WARNING, "VGA arbiter: cannot open kernel arbiter, no multi-card support\n");
+ }
+}
+
+void
+xf86VGAarbiterFini(void)
+{
+ if (vga_no_arb)
+ return;
+ pci_device_vgaarb_fini();
+}
+
+void
+xf86VGAarbiterLock(ScrnInfoPtr pScrn)
+{
+ if (vga_no_arb)
+ return;
+ pci_device_vgaarb_set_target(pScrn->vgaDev);
+ pci_device_vgaarb_lock();
+}
+
+void
+xf86VGAarbiterUnlock(ScrnInfoPtr pScrn)
+{
+ if (vga_no_arb)
+ return;
+ pci_device_vgaarb_unlock();
+}
+
+Bool xf86VGAarbiterAllowDRI(ScreenPtr pScreen)
+{
+ int vga_count;
+ int rsrc_decodes;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+
+ if (vga_no_arb)
+ return TRUE;
+
+ pci_device_vgaarb_get_info(pScrn->vgaDev, &vga_count, &rsrc_decodes);
+ if (vga_count > 1) {
+ if (rsrc_decodes) {
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+void
+xf86VGAarbiterScrnInit(ScrnInfoPtr pScrn)
+{
+ struct pci_device *dev;
+ EntityPtr pEnt;
+
+ if (vga_no_arb)
+ return;
+
+ pEnt = xf86Entities[pScrn->entityList[0]];
+ if (pEnt->bus.type != BUS_PCI)
+ return;
+
+ dev = pEnt->bus.id.pci;
+ pScrn->vgaDev = dev;
+}
+
+void
+xf86VGAarbiterDeviceDecodes(ScrnInfoPtr pScrn)
+{
+ if (vga_no_arb)
+ return;
+ pci_device_vgaarb_decodes(VGA_ARB_RSRC_LEGACY_MEM | VGA_ARB_RSRC_LEGACY_IO);
+}
+
+Bool
+xf86VGAarbiterWrapFunctions(void)
+{
+ ScrnInfoPtr pScrn;
+ VGAarbiterScreenPtr pScreenPriv;
+ miPointerScreenPtr PointPriv;
+#ifdef RENDER
+ PictureScreenPtr ps;
+#endif
+ ScreenPtr pScreen;
+ int vga_count, i;
+
+ if (vga_no_arb)
+ return FALSE;
+
+ /*
+ * we need to wrap the arbiter if we have more than
+ * one VGA card - hotplug cries.
+ */
+ pci_device_vgaarb_get_info(NULL, &vga_count, NULL);
+ if (vga_count < 2 || !xf86Screens)
+ return FALSE;
+
+ xf86Msg(X_INFO,"Found %d VGA devices: arbiter wrapping enabled\n",
+ vga_count);
+
+ for (i = 0; i < xf86NumScreens; i++) {
+ pScreen = xf86Screens[i]->pScreen;
+#ifdef RENDER
+ ps = GetPictureScreenIfSet(pScreen);
+#endif
+ pScrn = xf86Screens[pScreen->myNum];
+ PointPriv = dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey);
+
+ if (!dixRequestPrivate(VGAarbiterGCKey, sizeof(VGAarbiterGCRec)))
+ return FALSE;
+
+ if (!(pScreenPriv = xalloc(sizeof(VGAarbiterScreenRec))))
+ return FALSE;
+
+ dixSetPrivate(&pScreen->devPrivates, VGAarbiterScreenKey, pScreenPriv);
+
+ WRAP_SCREEN(CloseScreen, VGAarbiterCloseScreen);
+ WRAP_SCREEN(SaveScreen, VGAarbiterSaveScreen);
+ WRAP_SCREEN(WakeupHandler, VGAarbiterWakeupHandler);
+ WRAP_SCREEN(BlockHandler, VGAarbiterBlockHandler);
+ WRAP_SCREEN(CreateGC, VGAarbiterCreateGC);
+ WRAP_SCREEN(GetImage, VGAarbiterGetImage);
+ WRAP_SCREEN(GetSpans, VGAarbiterGetSpans);
+ WRAP_SCREEN(SourceValidate, VGAarbiterSourceValidate);
+ WRAP_SCREEN(CopyWindow, VGAarbiterCopyWindow);
+ WRAP_SCREEN(ClearToBackground, VGAarbiterClearToBackground);
+ WRAP_SCREEN(CreatePixmap, VGAarbiterCreatePixmap);
+ WRAP_SCREEN(StoreColors, VGAarbiterStoreColors);
+ WRAP_SCREEN(DisplayCursor, VGAarbiterDisplayCursor);
+ WRAP_SCREEN(RealizeCursor, VGAarbiterRealizeCursor);
+ WRAP_SCREEN(UnrealizeCursor, VGAarbiterUnrealizeCursor);
+ WRAP_SCREEN(RecolorCursor, VGAarbiterRecolorCursor);
+ WRAP_SCREEN(SetCursorPosition, VGAarbiterSetCursorPosition);
+#ifdef RENDER
+ WRAP_PICT(Composite,VGAarbiterComposite);
+ WRAP_PICT(Glyphs,VGAarbiterGlyphs);
+ WRAP_PICT(CompositeRects,VGAarbiterCompositeRects);
+#endif
+ WRAP_SCREEN_INFO(AdjustFrame, VGAarbiterAdjustFrame);
+ WRAP_SCREEN_INFO(SwitchMode, VGAarbiterSwitchMode);
+ WRAP_SCREEN_INFO(EnterVT, VGAarbiterEnterVT);
+ WRAP_SCREEN_INFO(LeaveVT, VGAarbiterLeaveVT);
+ WRAP_SCREEN_INFO(FreeScreen, VGAarbiterFreeScreen);
+ WRAP_SPRITE;
+ }
+
+ return TRUE;
+}
+
+/* Screen funcs */
+static Bool
+VGAarbiterCloseScreen (int i, ScreenPtr pScreen)
+{
+ Bool val;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, VGAarbiterScreenKey);
+ miPointerScreenPtr PointPriv = (miPointerScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, miPointerScreenKey);
+#ifdef RENDER
+ PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
+#endif
+
+ UNWRAP_SCREEN(CreateGC);
+ UNWRAP_SCREEN(CloseScreen);
+ UNWRAP_SCREEN(GetImage);
+ UNWRAP_SCREEN(GetSpans);
+ UNWRAP_SCREEN(SourceValidate);
+ UNWRAP_SCREEN(CopyWindow);
+ UNWRAP_SCREEN(ClearToBackground);
+ UNWRAP_SCREEN(SaveScreen);
+ UNWRAP_SCREEN(StoreColors);
+ UNWRAP_SCREEN(DisplayCursor);
+ UNWRAP_SCREEN(RealizeCursor);
+ UNWRAP_SCREEN(UnrealizeCursor);
+ UNWRAP_SCREEN(RecolorCursor);
+ UNWRAP_SCREEN(SetCursorPosition);
+#ifdef RENDER
+ UNWRAP_PICT(Composite);
+ UNWRAP_PICT(Glyphs);
+ UNWRAP_PICT(CompositeRects);
+#endif
+ UNWRAP_SCREEN_INFO(AdjustFrame);
+ UNWRAP_SCREEN_INFO(SwitchMode);
+ UNWRAP_SCREEN_INFO(EnterVT);
+ UNWRAP_SCREEN_INFO(LeaveVT);
+ UNWRAP_SCREEN_INFO(FreeScreen);
+ UNWRAP_SPRITE;
+
+ xfree ((pointer) pScreenPriv);
+ xf86VGAarbiterLock(xf86Screens[i]);
+ val = (*pScreen->CloseScreen) (i, pScreen);
+ xf86VGAarbiterUnlock(xf86Screens[i]);
+ return val;
+}
+
+static void
+VGAarbiterBlockHandler(int i,
+ pointer blockData, pointer pTimeout, pointer pReadmask)
+{
+ ScreenPtr pScreen = screenInfo.screens[i];
+ SCREEN_PROLOG(BlockHandler);
+ VGAGet();
+ pScreen->BlockHandler(i, blockData, pTimeout, pReadmask);
+ VGAPut();
+ SCREEN_EPILOG(BlockHandler, VGAarbiterBlockHandler);
+}
+
+static void
+VGAarbiterWakeupHandler(int i, pointer blockData, unsigned long result, pointer pReadmask)
+{
+ ScreenPtr pScreen = screenInfo.screens[i];
+ SCREEN_PROLOG(WakeupHandler);
+ VGAGet();
+ pScreen->WakeupHandler(i, blockData, result, pReadmask);
+ VGAPut();
+ SCREEN_EPILOG(WakeupHandler, VGAarbiterWakeupHandler);
+}
+
+static void
+VGAarbiterGetImage (
+ DrawablePtr pDrawable,
+ int sx, int sy, int w, int h,
+ unsigned int format,
+ unsigned long planemask,
+ char *pdstLine
+ )
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ SCREEN_PROLOG(GetImage);
+// if (xf86Screens[pScreen->myNum]->vtSema) {
+ VGAGet();
+// }
+ (*pScreen->GetImage) (pDrawable, sx, sy, w, h,
+ format, planemask, pdstLine);
+ VGAPut();
+ SCREEN_EPILOG (GetImage, VGAarbiterGetImage);
+}
+
+static void
+VGAarbiterGetSpans (
+ DrawablePtr pDrawable,
+ int wMax,
+ DDXPointPtr ppt,
+ int *pwidth,
+ int nspans,
+ char *pdstStart
+ )
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+
+ SCREEN_PROLOG (GetSpans);
+ VGAGet();
+ (*pScreen->GetSpans) (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
+ VGAPut();
+ SCREEN_EPILOG (GetSpans, VGAarbiterGetSpans);
+}
+
+static void
+VGAarbiterSourceValidate (
+ DrawablePtr pDrawable,
+ int x, int y, int width, int height )
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ SCREEN_PROLOG (SourceValidate);
+ VGAGet();
+ if (pScreen->SourceValidate)
+ (*pScreen->SourceValidate) (pDrawable, x, y, width, height);
+ VGAPut();
+ SCREEN_EPILOG (SourceValidate, VGAarbiterSourceValidate);
+}
+
+static void
+VGAarbiterCopyWindow(
+ WindowPtr pWin,
+ DDXPointRec ptOldOrg,
+ RegionPtr prgnSrc )
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ SCREEN_PROLOG (CopyWindow);
+ VGAGet();
+ (*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc);
+ VGAPut();
+ SCREEN_EPILOG (CopyWindow, VGAarbiterCopyWindow);
+}
+
+static void
+VGAarbiterClearToBackground (
+ WindowPtr pWin,
+ int x, int y,
+ int w, int h,
+ Bool generateExposures )
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ SCREEN_PROLOG ( ClearToBackground);
+ VGAGet();
+ (*pScreen->ClearToBackground) (pWin, x, y, w, h, generateExposures);
+ VGAPut();
+ SCREEN_EPILOG (ClearToBackground, VGAarbiterClearToBackground);
+}
+
+static PixmapPtr
+VGAarbiterCreatePixmap(ScreenPtr pScreen, int w, int h, int depth, unsigned usage_hint)
+{
+ PixmapPtr pPix;
+
+ SCREEN_PROLOG ( CreatePixmap);
+ VGAGet();
+ pPix = (*pScreen->CreatePixmap) (pScreen, w, h, depth, usage_hint);
+ VGAPut();
+ SCREEN_EPILOG (CreatePixmap, VGAarbiterCreatePixmap);
+
+ return pPix;
+}
+
+static Bool
+VGAarbiterSaveScreen(ScreenPtr pScreen, Bool unblank)
+{
+ Bool val;
+
+ SCREEN_PROLOG (SaveScreen);
+ VGAGet();
+ val = (*pScreen->SaveScreen) (pScreen, unblank);
+ VGAPut();
+ SCREEN_EPILOG (SaveScreen, VGAarbiterSaveScreen);
+
+ return val;
+}
+
+static void
+VGAarbiterStoreColors (
+ ColormapPtr pmap,
+ int ndef,
+ xColorItem *pdefs)
+{
+ ScreenPtr pScreen = pmap->pScreen;
+
+ SCREEN_PROLOG (StoreColors);
+ VGAGet();
+ (*pScreen->StoreColors) (pmap,ndef,pdefs);
+ VGAPut();
+ SCREEN_EPILOG ( StoreColors, VGAarbiterStoreColors);
+}
+
+static void
+VGAarbiterRecolorCursor (
+ DeviceIntPtr pDev,
+ ScreenPtr pScreen,
+ CursorPtr pCurs,
+ Bool displayed
+ )
+{
+ SCREEN_PROLOG (RecolorCursor);
+ VGAGet();
+ (*pScreen->RecolorCursor) (pDev, pScreen, pCurs, displayed);
+ VGAPut();
+ SCREEN_EPILOG ( RecolorCursor, VGAarbiterRecolorCursor);
+}
+
+static Bool
+VGAarbiterRealizeCursor (
+ DeviceIntPtr pDev,
+ ScreenPtr pScreen,
+ CursorPtr pCursor
+ )
+{
+ Bool val;
+
+ SCREEN_PROLOG (RealizeCursor);
+ VGAGet();
+ val = (*pScreen->RealizeCursor) (pDev, pScreen,pCursor);
+ VGAPut();
+ SCREEN_EPILOG ( RealizeCursor, VGAarbiterRealizeCursor);
+ return val;
+}
+
+static Bool
+VGAarbiterUnrealizeCursor (
+ DeviceIntPtr pDev,
+ ScreenPtr pScreen,
+ CursorPtr pCursor
+ )
+{
+ Bool val;
+
+ SCREEN_PROLOG (UnrealizeCursor);
+ VGAGet();
+ val = (*pScreen->UnrealizeCursor) (pDev, pScreen, pCursor);
+ VGAPut();
+ SCREEN_EPILOG ( UnrealizeCursor, VGAarbiterUnrealizeCursor);
+ return val;
+}
+
+static Bool
+VGAarbiterDisplayCursor (
+ DeviceIntPtr pDev,
+ ScreenPtr pScreen,
+ CursorPtr pCursor
+ )
+{
+ Bool val;
+
+ SCREEN_PROLOG (DisplayCursor);
+ VGAGet();
+ val = (*pScreen->DisplayCursor) (pDev, pScreen, pCursor);
+ VGAPut();
+ SCREEN_EPILOG ( DisplayCursor, VGAarbiterDisplayCursor);
+ return val;
+}
+
+static Bool
+VGAarbiterSetCursorPosition (
+ DeviceIntPtr pDev,
+ ScreenPtr pScreen,
+ int x, int y,
+ Bool generateEvent)
+{
+ Bool val;
+
+ SCREEN_PROLOG (SetCursorPosition);
+ VGAGet();
+ val = (*pScreen->SetCursorPosition) (pDev, pScreen, x, y, generateEvent);
+ VGAPut();
+ SCREEN_EPILOG ( SetCursorPosition, VGAarbiterSetCursorPosition);
+ return val;
+}
+
+static void
+VGAarbiterAdjustFrame(int index, int x, int y, int flags)
+{
+ ScreenPtr pScreen = screenInfo.screens[index];
+ VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, VGAarbiterScreenKey);
+
+ VGAGet();
+ (*pScreenPriv->AdjustFrame)(index, x, y, flags);
+ VGAPut();
+}
+
+static Bool
+VGAarbiterSwitchMode(int index, DisplayModePtr mode, int flags)
+{
+ Bool val;
+ ScreenPtr pScreen = screenInfo.screens[index];
+ VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, VGAarbiterScreenKey);
+
+ VGAGet();
+ val = (*pScreenPriv->SwitchMode)(index, mode, flags);
+ VGAPut();
+ return val;
+}
+
+static Bool
+VGAarbiterEnterVT(int index, int flags)
+{
+ Bool val;
+ ScreenPtr pScreen = screenInfo.screens[index];
+ VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, VGAarbiterScreenKey);
+
+ VGAGet();
+ val = (*pScreenPriv->EnterVT)(index, flags);
+ VGAPut();
+ return val;
+}
+
+static void
+VGAarbiterLeaveVT(int index, int flags)
+{
+ ScreenPtr pScreen = screenInfo.screens[index];
+ VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, VGAarbiterScreenKey);
+
+ VGAGet();
+ (*pScreenPriv->LeaveVT)(index, flags);
+ VGAPut();
+}
+
+static void
+VGAarbiterFreeScreen(int index, int flags)
+{
+ ScreenPtr pScreen = screenInfo.screens[index];
+ VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, VGAarbiterScreenKey);
+
+ VGAGet();
+ (*pScreenPriv->FreeScreen)(index, flags);
+ VGAPut();
+}
+
+static Bool
+VGAarbiterCreateGC(GCPtr pGC)
+{
+ ScreenPtr pScreen = pGC->pScreen;
+ VGAarbiterGCPtr pGCPriv = (VGAarbiterGCPtr)dixLookupPrivate(&pGC->devPrivates, VGAarbiterGCKey);
+ Bool ret;
+
+ SCREEN_PROLOG(CreateGC);
+ VGAGet();
+ ret = (*pScreen->CreateGC)(pGC);
+ VGAPut();
+ GC_WRAP(pGC);
+ SCREEN_EPILOG(CreateGC,VGAarbiterCreateGC);
+
+ return ret;
+}
+
+/* GC funcs */
+static void
+VGAarbiterValidateGC(
+ GCPtr pGC,
+ unsigned long changes,
+ DrawablePtr pDraw )
+{
+ GC_UNWRAP(pGC);
+ (*pGC->funcs->ValidateGC)(pGC, changes, pDraw);
+ GC_WRAP(pGC);
+}
+
+
+static void
+VGAarbiterDestroyGC(GCPtr pGC)
+{
+ GC_UNWRAP (pGC);
+ (*pGC->funcs->DestroyGC)(pGC);
+ GC_WRAP (pGC);
+}
+
+static void
+VGAarbiterChangeGC (
+ GCPtr pGC,
+ unsigned long mask)
+{
+ GC_UNWRAP (pGC);
+ (*pGC->funcs->ChangeGC) (pGC, mask);
+ GC_WRAP (pGC);
+}
+
+static void
+VGAarbiterCopyGC (
+ GCPtr pGCSrc,
+ unsigned long mask,
+ GCPtr pGCDst)
+{
+ GC_UNWRAP (pGCDst);
+ (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);
+ GC_WRAP (pGCDst);
+}
+
+static void
+VGAarbiterChangeClip (
+ GCPtr pGC,
+ int type,
+ pointer pvalue,
+ int nrects )
+{
+ GC_UNWRAP (pGC);
+ (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects);
+ GC_WRAP (pGC);
+}
+
+static void
+VGAarbiterCopyClip(GCPtr pgcDst, GCPtr pgcSrc)
+{
+ GC_UNWRAP (pgcDst);
+ (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc);
+ GC_WRAP (pgcDst);
+}
+
+static void
+VGAarbiterDestroyClip(GCPtr pGC)
+{
+ GC_UNWRAP (pGC);
+ (* pGC->funcs->DestroyClip)(pGC);
+ GC_WRAP (pGC);
+}
+
+/* GC Ops */
+static void
+VGAarbiterFillSpans(
+ DrawablePtr pDraw,
+ GC *pGC,
+ int nInit,
+ DDXPointPtr pptInit,
+ int *pwidthInit,
+ int fSorted )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->FillSpans)(pDraw, pGC, nInit, pptInit, pwidthInit, fSorted);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterSetSpans(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ char *pcharsrc,
+ register DDXPointPtr ppt,
+ int *pwidth,
+ int nspans,
+ int fSorted )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, ppt, pwidth, nspans, fSorted);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPutImage(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int depth,
+ int x, int y, int w, int h,
+ int leftPad,
+ int format,
+ char *pImage )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->PutImage)(pDraw, pGC, depth, x, y, w, h,
+ leftPad, format, pImage);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+static RegionPtr
+VGAarbiterCopyArea(
+ DrawablePtr pSrc,
+ DrawablePtr pDst,
+ GC *pGC,
+ int srcx, int srcy,
+ int width, int height,
+ int dstx, int dsty )
+{
+ RegionPtr ret;
+
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ ret = (*pGC->ops->CopyArea)(pSrc, pDst,
+ pGC, srcx, srcy, width, height, dstx, dsty);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+ return ret;
+}
+
+static RegionPtr
+VGAarbiterCopyPlane(
+ DrawablePtr pSrc,
+ DrawablePtr pDst,
+ GCPtr pGC,
+ int srcx, int srcy,
+ int width, int height,
+ int dstx, int dsty,
+ unsigned long bitPlane )
+{
+ RegionPtr ret;
+
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ ret = (*pGC->ops->CopyPlane)(pSrc, pDst, pGC, srcx, srcy,
+ width, height, dstx, dsty, bitPlane);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+ return ret;
+}
+
+static void
+VGAarbiterPolyPoint(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int mode,
+ int npt,
+ xPoint *pptInit )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->PolyPoint)(pDraw, pGC, mode, npt, pptInit);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+
+static void
+VGAarbiterPolylines(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int mode,
+ int npt,
+ DDXPointPtr pptInit )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->Polylines)(pDraw, pGC, mode, npt, pptInit);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPolySegment(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int nseg,
+ xSegment *pSeg )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->PolySegment)(pDraw, pGC, nseg, pSeg);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPolyRectangle(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int nRectsInit,
+ xRectangle *pRectsInit )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->PolyRectangle)(pDraw, pGC, nRectsInit, pRectsInit);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPolyArc(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int narcs,
+ xArc *parcs )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->PolyArc)(pDraw, pGC, narcs, parcs);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterFillPolygon(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int shape,
+ int mode,
+ int count,
+ DDXPointPtr ptsIn )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->FillPolygon)(pDraw, pGC, shape, mode, count, ptsIn);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPolyFillRect(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int nrectFill,
+ xRectangle *prectInit)
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->PolyFillRect)(pDraw, pGC, nrectFill, prectInit);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPolyFillArc(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int narcs,
+ xArc *parcs )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->PolyFillArc)(pDraw, pGC, narcs, parcs);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+static int
+VGAarbiterPolyText8(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int x,
+ int y,
+ int count,
+ char *chars )
+{
+ int ret;
+
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ ret = (*pGC->ops->PolyText8)(pDraw, pGC, x, y, count, chars);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+ return ret;
+}
+
+static int
+VGAarbiterPolyText16(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int x,
+ int y,
+ int count,
+ unsigned short *chars )
+{
+ int ret;
+
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ ret = (*pGC->ops->PolyText16)(pDraw, pGC, x, y, count, chars);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+ return ret;
+}
+
+static void
+VGAarbiterImageText8(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int x,
+ int y,
+ int count,
+ char *chars )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->ImageText8)(pDraw, pGC, x, y, count, chars);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterImageText16(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int x,
+ int y,
+ int count,
+ unsigned short *chars )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->ImageText16)(pDraw, pGC, x, y, count, chars);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+
+static void
+VGAarbiterImageGlyphBlt(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int xInit, int yInit,
+ unsigned int nglyph,
+ CharInfoPtr *ppci,
+ pointer pglyphBase )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->ImageGlyphBlt)(pDraw, pGC, xInit, yInit,
+ nglyph, ppci, pglyphBase);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPolyGlyphBlt(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int xInit, int yInit,
+ unsigned int nglyph,
+ CharInfoPtr *ppci,
+ pointer pglyphBase )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->PolyGlyphBlt)(pDraw, pGC, xInit, yInit,
+ nglyph, ppci, pglyphBase);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPushPixels(
+ GCPtr pGC,
+ PixmapPtr pBitMap,
+ DrawablePtr pDraw,
+ int dx, int dy, int xOrg, int yOrg )
+{
+ GC_UNWRAP(pGC);
+ VGAGet_GC();
+ (*pGC->ops->PushPixels)(pGC, pBitMap, pDraw, dx, dy, xOrg, yOrg);
+ VGAPut_GC();
+ GC_WRAP(pGC);
+}
+
+
+/* miSpriteFuncs */
+static Bool
+VGAarbiterSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCur)
+{
+ Bool val;
+ SPRITE_PROLOG;
+ VGAGet();
+ val = PointPriv->spriteFuncs->RealizeCursor(pDev, pScreen, pCur);
+ VGAPut();
+ SPRITE_EPILOG;
+ return val;
+}
+
+static Bool
+VGAarbiterSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCur)
+{
+ Bool val;
+ SPRITE_PROLOG;
+ VGAGet();
+ val = PointPriv->spriteFuncs->UnrealizeCursor(pDev, pScreen, pCur);
+ VGAPut();
+ SPRITE_EPILOG;
+ return val;
+}
+
+static void
+VGAarbiterSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCur, int x, int y)
+{
+ SPRITE_PROLOG;
+ VGAGet();
+ PointPriv->spriteFuncs->SetCursor(pDev, pScreen, pCur, x, y);
+ VGAPut();
+ SPRITE_EPILOG;
+}
+
+static void
+VGAarbiterSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
+{
+ SPRITE_PROLOG;
+ VGAGet();
+ PointPriv->spriteFuncs->MoveCursor(pDev, pScreen, x, y);
+ VGAPut();
+ SPRITE_EPILOG;
+}
+
+static Bool
+VGAarbiterDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
+{
+ Bool val;
+ SPRITE_PROLOG;
+ VGAGet();
+ val = PointPriv->spriteFuncs->DeviceCursorInitialize(pDev, pScreen);
+ VGAPut();
+ SPRITE_EPILOG;
+ return val;
+}
+
+static void
+VGAarbiterDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
+{
+ SPRITE_PROLOG;
+ VGAGet();
+ PointPriv->spriteFuncs->DeviceCursorCleanup(pDev, pScreen);
+ VGAPut();
+ SPRITE_EPILOG;
+}
+
+#ifdef RENDER
+static void
+VGAarbiterComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask,
+ PicturePtr pDst, INT16 xSrc, INT16 ySrc, INT16 xMask,
+ INT16 yMask, INT16 xDst, INT16 yDst, CARD16 width,
+ CARD16 height)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+
+ PICTURE_PROLOGUE(Composite);
+
+ VGAGet();
+ (*ps->Composite) (op, pSrc, pMask, pDst, xSrc, ySrc, xMask, yMask, xDst,
+ yDst, width, height);
+ VGAPut();
+ PICTURE_EPILOGUE(Composite, VGAarbiterComposite);
+}
+
+static void
+VGAarbiterGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+ PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, int nlist,
+ GlyphListPtr list, GlyphPtr *glyphs)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+
+ PICTURE_PROLOGUE(Glyphs);
+
+ VGAGet();
+ (*ps->Glyphs)(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
+ VGAPut();
+ PICTURE_EPILOGUE (Glyphs, VGAarbiterGlyphs);
+}
+
+static void
+VGAarbiterCompositeRects(CARD8 op, PicturePtr pDst, xRenderColor *color, int nRect,
+ xRectangle *rects)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+
+ PICTURE_PROLOGUE(CompositeRects);
+
+ VGAGet();
+ (*ps->CompositeRects)(op, pDst, color, nRect, rects);
+ VGAPut();
+ PICTURE_EPILOGUE (CompositeRects, VGAarbiterCompositeRects);
+}
+#endif
+#else
+/* dummy functions */
+void xf86VGAarbiterInit(void) {}
+void xf86VGAarbiterFini(void) {}
+
+void xf86VGAarbiterLock(ScrnInfoPtr pScrn) {}
+void xf86VGAarbiterUnlock(ScrnInfoPtr pScrn) {}
+Bool xf86VGAarbiterAllowDRI(ScreenPtr pScreen) { return TRUE; }
+void xf86VGAarbiterScrnInit(ScrnInfoPtr pScrn) {}
+void xf86VGAarbiterDeviceDecodes(ScrnInfoPtr pScrn) {}
+Bool xf86VGAarbiterWrapFunctions(void) { return FALSE; }
+
+#endif
diff --git a/xorg-server/hw/xfree86/common/xf86cmap.c b/xorg-server/hw/xfree86/common/xf86cmap.c
index 08f557ccd..4cab8b3eb 100644
--- a/xorg-server/hw/xfree86/common/xf86cmap.c
+++ b/xorg-server/hw/xfree86/common/xf86cmap.c
@@ -1,1165 +1,1170 @@
-/*
- * Copyright (c) 1998-2001 by The XFree86 Project, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of the copyright holder(s)
- * and author(s) shall not be used in advertising or otherwise to promote
- * the sale, use or other dealings in this Software without prior written
- * authorization from the copyright holder(s) and author(s).
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#if defined(_XOPEN_SOURCE) || defined(sun) && defined(__SVR4)
-#include <math.h>
-#else
-#define _XOPEN_SOURCE /* to get prototype for pow on some systems */
-#include <math.h>
-#undef _XOPEN_SOURCE
-#endif
-
-#include <X11/X.h>
-#include "misc.h"
-#include <X11/Xproto.h>
-#include "colormapst.h"
-#include "scrnintstr.h"
-
-#include "resource.h"
-
-#include "xf86.h"
-#include "xf86_OSproc.h"
-#include "xf86str.h"
-#include "micmap.h"
-#include "xf86Crtc.h"
-
-#ifdef XFreeXDGA
-#include <X11/extensions/xf86dgaproto.h>
-#include "dgaproc.h"
-#endif
-
-#include "xf86cmap.h"
-
-#define SCREEN_PROLOGUE(pScreen, field) ((pScreen)->field = \
- ((CMapScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, CMapScreenKey))->field)
-#define SCREEN_EPILOGUE(pScreen, field, wrapper)\
- ((pScreen)->field = wrapper)
-
-#define LOAD_PALETTE(pmap, index) \
- ((pmap == miInstalledMaps[index]) && \
- ((pScreenPriv->flags & CMAP_LOAD_EVEN_IF_OFFSCREEN) || \
- xf86Screens[index]->vtSema || pScreenPriv->isDGAmode))
-
-
-typedef struct _CMapLink {
- ColormapPtr cmap;
- struct _CMapLink *next;
-} CMapLink, *CMapLinkPtr;
-
-typedef struct {
- ScrnInfoPtr pScrn;
- CloseScreenProcPtr CloseScreen;
- CreateColormapProcPtr CreateColormap;
- DestroyColormapProcPtr DestroyColormap;
- InstallColormapProcPtr InstallColormap;
- StoreColorsProcPtr StoreColors;
- Bool (*EnterVT)(int, int);
- Bool (*SwitchMode)(int, DisplayModePtr, int);
- int (*SetDGAMode)(int, int, DGADevicePtr);
- xf86ChangeGammaProc *ChangeGamma;
- int maxColors;
- int sigRGBbits;
- int gammaElements;
- LOCO *gamma;
- int *PreAllocIndices;
- CMapLinkPtr maps;
- unsigned int flags;
- Bool isDGAmode;
-} CMapScreenRec, *CMapScreenPtr;
-
-typedef struct {
- int numColors;
- LOCO *colors;
- Bool recalculate;
- int overscan;
-} CMapColormapRec, *CMapColormapPtr;
-
-static int CMapScreenKeyIndex;
-static DevPrivateKey CMapScreenKey;
-static int CMapColormapKeyIndex;
-static DevPrivateKey CMapColormapKey = &CMapColormapKeyIndex;
-
-static void CMapInstallColormap(ColormapPtr);
-static void CMapStoreColors(ColormapPtr, int, xColorItem *);
-static Bool CMapCloseScreen (int, ScreenPtr);
-static Bool CMapCreateColormap (ColormapPtr);
-static void CMapDestroyColormap (ColormapPtr);
-
-static Bool CMapEnterVT(int, int);
-static Bool CMapSwitchMode(int, DisplayModePtr, int);
-#ifdef XFreeXDGA
-static int CMapSetDGAMode(int, int, DGADevicePtr);
-#endif
-static int CMapChangeGamma(int, Gamma);
-
-static void ComputeGamma(CMapScreenPtr);
-static Bool CMapAllocateColormapPrivate(ColormapPtr);
-static void CMapRefreshColors(ColormapPtr, int, int*);
-static void CMapSetOverscan(ColormapPtr, int, int *);
-static void CMapReinstallMap(ColormapPtr);
-static void CMapUnwrapScreen(ScreenPtr pScreen);
-
-
-
-Bool xf86HandleColormaps(
- ScreenPtr pScreen,
- int maxColors,
- int sigRGBbits,
- xf86LoadPaletteProc *loadPalette,
- xf86SetOverscanProc *setOverscan,
- unsigned int flags
-){
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- ColormapPtr pDefMap = NULL;
- CMapScreenPtr pScreenPriv;
- LOCO *gamma;
- int *indices;
- int elements;
-
- /* If we support a better colormap system, then pretend we succeeded. */
- if (xf86_crtc_supports_gamma(pScrn))
- return TRUE;
-
- if(!maxColors || !sigRGBbits || !loadPalette)
- return FALSE;
-
- CMapScreenKey = &CMapScreenKeyIndex;
-
- elements = 1 << sigRGBbits;
-
- if(!(gamma = xalloc(elements * sizeof(LOCO))))
- return FALSE;
-
- if(!(indices = xalloc(maxColors * sizeof(int)))) {
- xfree(gamma);
- return FALSE;
- }
-
- if(!(pScreenPriv = xalloc(sizeof(CMapScreenRec)))) {
- xfree(gamma);
- xfree(indices);
- return FALSE;
- }
-
- dixSetPrivate(&pScreen->devPrivates, CMapScreenKey, pScreenPriv);
-
- pScreenPriv->CloseScreen = pScreen->CloseScreen;
- pScreenPriv->CreateColormap = pScreen->CreateColormap;
- pScreenPriv->DestroyColormap = pScreen->DestroyColormap;
- pScreenPriv->InstallColormap = pScreen->InstallColormap;
- pScreenPriv->StoreColors = pScreen->StoreColors;
- pScreen->CloseScreen = CMapCloseScreen;
- pScreen->CreateColormap = CMapCreateColormap;
- pScreen->DestroyColormap = CMapDestroyColormap;
- pScreen->InstallColormap = CMapInstallColormap;
- pScreen->StoreColors = CMapStoreColors;
-
- pScreenPriv->pScrn = pScrn;
- pScrn->LoadPalette = loadPalette;
- pScrn->SetOverscan = setOverscan;
- pScreenPriv->maxColors = maxColors;
- pScreenPriv->sigRGBbits = sigRGBbits;
- pScreenPriv->gammaElements = elements;
- pScreenPriv->gamma = gamma;
- pScreenPriv->PreAllocIndices = indices;
- pScreenPriv->maps = NULL;
- pScreenPriv->flags = flags;
- pScreenPriv->isDGAmode = FALSE;
-
- pScreenPriv->EnterVT = pScrn->EnterVT;
- pScreenPriv->SwitchMode = pScrn->SwitchMode;
- pScreenPriv->SetDGAMode = pScrn->SetDGAMode;
- pScreenPriv->ChangeGamma = pScrn->ChangeGamma;
-
- if (!(flags & CMAP_LOAD_EVEN_IF_OFFSCREEN)) {
- pScrn->EnterVT = CMapEnterVT;
- if ((flags & CMAP_RELOAD_ON_MODE_SWITCH) && pScrn->SwitchMode)
- pScrn->SwitchMode = CMapSwitchMode;
- }
-#ifdef XFreeXDGA
- pScrn->SetDGAMode = CMapSetDGAMode;
-#endif
- pScrn->ChangeGamma = CMapChangeGamma;
-
- ComputeGamma(pScreenPriv);
-
- /* get the default map */
- dixLookupResourceByType((pointer *)&pDefMap, pScreen->defColormap,
- RT_COLORMAP, serverClient, DixInstallAccess);
-
- if(!CMapAllocateColormapPrivate(pDefMap)) {
- CMapUnwrapScreen(pScreen);
- return FALSE;
- }
-
- /* Force the initial map to be loaded */
- miInstalledMaps[pScreen->myNum] = NULL;
- CMapInstallColormap(pDefMap);
- return TRUE;
-}
-
-
-/**** Screen functions ****/
-
-
-static Bool
-CMapCloseScreen (int i, ScreenPtr pScreen)
-{
- CMapUnwrapScreen(pScreen);
-
- return (*pScreen->CloseScreen) (i, pScreen);
-}
-
-static Bool
-CMapColormapUseMax(VisualPtr pVisual, CMapScreenPtr pScreenPriv)
-{
- if (pVisual->nplanes > 16)
- return TRUE;
- return ((1 << pVisual->nplanes) > pScreenPriv->maxColors);
-}
-
-static Bool
-CMapAllocateColormapPrivate(ColormapPtr pmap)
-{
- CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
- &pmap->pScreen->devPrivates, CMapScreenKey);
- CMapColormapPtr pColPriv;
- CMapLinkPtr pLink;
- int numColors;
- LOCO *colors;
-
- if (CMapColormapUseMax(pmap->pVisual, pScreenPriv))
- numColors = pmap->pVisual->ColormapEntries;
- else
- numColors = 1 << pmap->pVisual->nplanes;
-
- if(!(colors = xalloc(numColors * sizeof(LOCO))))
- return FALSE;
-
- if(!(pColPriv = xalloc(sizeof(CMapColormapRec)))) {
- xfree(colors);
- return FALSE;
- }
-
- dixSetPrivate(&pmap->devPrivates, CMapColormapKey, pColPriv);
-
- pColPriv->numColors = numColors;
- pColPriv->colors = colors;
- pColPriv->recalculate = TRUE;
- pColPriv->overscan = -1;
-
- /* add map to list */
- pLink = xalloc(sizeof(CMapLink));
- if(pLink) {
- pLink->cmap = pmap;
- pLink->next = pScreenPriv->maps;
- pScreenPriv->maps = pLink;
- }
-
- return TRUE;
-}
-
-static Bool
-CMapCreateColormap (ColormapPtr pmap)
-{
- ScreenPtr pScreen = pmap->pScreen;
- CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, CMapScreenKey);
- Bool ret = FALSE;
-
- pScreen->CreateColormap = pScreenPriv->CreateColormap;
- if((*pScreen->CreateColormap)(pmap)) {
- if(CMapAllocateColormapPrivate(pmap))
- ret = TRUE;
- }
- pScreen->CreateColormap = CMapCreateColormap;
-
- return ret;
-}
-
-static void
-CMapDestroyColormap (ColormapPtr cmap)
-{
- ScreenPtr pScreen = cmap->pScreen;
- CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, CMapScreenKey);
- CMapColormapPtr pColPriv = (CMapColormapPtr)dixLookupPrivate(
- &cmap->devPrivates, CMapColormapKey);
- CMapLinkPtr prevLink = NULL, pLink = pScreenPriv->maps;
-
- if(pColPriv) {
- if(pColPriv->colors) xfree(pColPriv->colors);
- xfree(pColPriv);
- }
-
- /* remove map from list */
- while(pLink) {
- if(pLink->cmap == cmap) {
- if(prevLink)
- prevLink->next = pLink->next;
- else
- pScreenPriv->maps = pLink->next;
- xfree(pLink);
- break;
- }
- prevLink = pLink;
- pLink = pLink->next;
- }
-
- if(pScreenPriv->DestroyColormap) {
- pScreen->DestroyColormap = pScreenPriv->DestroyColormap;
- (*pScreen->DestroyColormap)(cmap);
- pScreen->DestroyColormap = CMapDestroyColormap;
- }
-}
-
-
-
-static void
-CMapStoreColors(
- ColormapPtr pmap,
- int ndef,
- xColorItem *pdefs
-){
- ScreenPtr pScreen = pmap->pScreen;
- VisualPtr pVisual = pmap->pVisual;
- CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, CMapScreenKey);
- int *indices = pScreenPriv->PreAllocIndices;
- int num = ndef;
-
- /* At the moment this isn't necessary since there's nobody below us */
- pScreen->StoreColors = pScreenPriv->StoreColors;
- (*pScreen->StoreColors)(pmap, ndef, pdefs);
- pScreen->StoreColors = CMapStoreColors;
-
- /* should never get here for these */
- if( (pVisual->class == TrueColor) ||
- (pVisual->class == StaticColor) ||
- (pVisual->class == StaticGray))
- return;
-
- if(pVisual->class == DirectColor) {
- CMapColormapPtr pColPriv = (CMapColormapPtr)dixLookupPrivate(
- &pmap->devPrivates, CMapColormapKey);
- int i;
-
- if (CMapColormapUseMax(pVisual, pScreenPriv)) {
- int index;
-
- num = 0;
- while(ndef--) {
- if(pdefs[ndef].flags & DoRed) {
- index = (pdefs[ndef].pixel & pVisual->redMask) >>
- pVisual->offsetRed;
- i = num;
- while(i--)
- if(indices[i] == index) break;
- if(i == -1)
- indices[num++] = index;
- }
- if(pdefs[ndef].flags & DoGreen) {
- index = (pdefs[ndef].pixel & pVisual->greenMask) >>
- pVisual->offsetGreen;
- i = num;
- while(i--)
- if(indices[i] == index) break;
- if(i == -1)
- indices[num++] = index;
- }
- if(pdefs[ndef].flags & DoBlue) {
- index = (pdefs[ndef].pixel & pVisual->blueMask) >>
- pVisual->offsetBlue;
- i = num;
- while(i--)
- if(indices[i] == index) break;
- if(i == -1)
- indices[num++] = index;
- }
- }
-
- } else {
- /* not really as overkill as it seems */
- num = pColPriv->numColors;
- for(i = 0; i < pColPriv->numColors; i++)
- indices[i] = i;
- }
- } else {
- while(ndef--)
- indices[ndef] = pdefs[ndef].pixel;
- }
-
- CMapRefreshColors(pmap, num, indices);
-}
-
-
-static void
-CMapInstallColormap(ColormapPtr pmap)
-{
- ScreenPtr pScreen = pmap->pScreen;
- int index = pScreen->myNum;
- CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, CMapScreenKey);
-
- if (pmap == miInstalledMaps[index])
- return;
-
- pScreen->InstallColormap = pScreenPriv->InstallColormap;
- (*pScreen->InstallColormap)(pmap);
- pScreen->InstallColormap = CMapInstallColormap;
-
- /* Important. We let the lower layers, namely DGA,
- overwrite the choice of Colormap to install */
- if (miInstalledMaps[index])
- pmap = miInstalledMaps[index];
-
- if (!(pScreenPriv->flags & CMAP_PALETTED_TRUECOLOR) &&
- (pmap->pVisual->class == TrueColor) &&
- CMapColormapUseMax(pmap->pVisual, pScreenPriv))
- return;
-
- if(LOAD_PALETTE(pmap, index))
- CMapReinstallMap(pmap);
-}
-
-
-/**** ScrnInfoRec functions ****/
-
-static Bool
-CMapEnterVT(int index, int flags)
-{
- ScreenPtr pScreen = screenInfo.screens[index];
- CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, CMapScreenKey);
-
- if((*pScreenPriv->EnterVT)(index, flags)) {
- if(miInstalledMaps[index])
- CMapReinstallMap(miInstalledMaps[index]);
- return TRUE;
- }
- return FALSE;
-}
-
-
-static Bool
-CMapSwitchMode(int index, DisplayModePtr mode, int flags)
-{
- ScreenPtr pScreen = screenInfo.screens[index];
- CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, CMapScreenKey);
-
- if((*pScreenPriv->SwitchMode)(index, mode, flags)) {
- if(miInstalledMaps[index])
- CMapReinstallMap(miInstalledMaps[index]);
- return TRUE;
- }
- return FALSE;
-}
-
-#ifdef XFreeXDGA
-static int
-CMapSetDGAMode(int index, int num, DGADevicePtr dev)
-{
- ScreenPtr pScreen = screenInfo.screens[index];
- CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, CMapScreenKey);
- int ret;
-
- ret = (*pScreenPriv->SetDGAMode)(index, num, dev);
-
- pScreenPriv->isDGAmode = DGAActive(index);
-
- if(!pScreenPriv->isDGAmode && miInstalledMaps[index]
- && xf86Screens[pScreen->myNum]->vtSema)
- CMapReinstallMap(miInstalledMaps[index]);
-
- return ret;
-}
-#endif
-
-
-/**** Utilities ****/
-
-static void
-CMapReinstallMap(ColormapPtr pmap)
-{
- CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
- &pmap->pScreen->devPrivates, CMapScreenKey);
- CMapColormapPtr cmapPriv = (CMapColormapPtr)dixLookupPrivate(
- &pmap->devPrivates, CMapColormapKey);
- ScrnInfoPtr pScrn = xf86Screens[pmap->pScreen->myNum];
- int i = cmapPriv->numColors;
- int *indices = pScreenPriv->PreAllocIndices;
-
- while(i--)
- indices[i] = i;
-
- if(cmapPriv->recalculate)
- CMapRefreshColors(pmap, cmapPriv->numColors, indices);
- else {
- (*pScrn->LoadPalette)(pScrn, cmapPriv->numColors,
- indices, cmapPriv->colors, pmap->pVisual);
- if (pScrn->SetOverscan) {
-#ifdef DEBUGOVERSCAN
- ErrorF("SetOverscan() called from CMapReinstallMap\n");
-#endif
- pScrn->SetOverscan(pScrn, cmapPriv->overscan);
- }
- }
-
- cmapPriv->recalculate = FALSE;
-}
-
-
-static void
-CMapRefreshColors(ColormapPtr pmap, int defs, int* indices)
-{
- CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
- &pmap->pScreen->devPrivates, CMapScreenKey);
- CMapColormapPtr pColPriv = (CMapColormapPtr)dixLookupPrivate(
- &pmap->devPrivates, CMapColormapKey);
- VisualPtr pVisual = pmap->pVisual;
- ScrnInfoPtr pScrn = xf86Screens[pmap->pScreen->myNum];
- int numColors, i;
- LOCO *gamma, *colors;
- EntryPtr entry;
- int reds, greens, blues, maxValue, index, shift;
-
- numColors = pColPriv->numColors;
- shift = 16 - pScreenPriv->sigRGBbits;
- maxValue = (1 << pScreenPriv->sigRGBbits) - 1;
- gamma = pScreenPriv->gamma;
- colors = pColPriv->colors;
-
- reds = pVisual->redMask >> pVisual->offsetRed;
- greens = pVisual->greenMask >> pVisual->offsetGreen;
- blues = pVisual->blueMask >> pVisual->offsetBlue;
-
- switch(pVisual->class) {
- case StaticGray:
- for(i = 0; i < numColors; i++) {
- index = (i+1) * maxValue / numColors;
- colors[i].red = gamma[index].red;
- colors[i].green = gamma[index].green;
- colors[i].blue = gamma[index].blue;
- }
- break;
- case TrueColor:
- if (CMapColormapUseMax(pVisual, pScreenPriv)) {
- for(i = 0; i <= reds; i++)
- colors[i].red = gamma[i * maxValue / reds].red;
- for(i = 0; i <= greens; i++)
- colors[i].green = gamma[i * maxValue / greens].green;
- for(i = 0; i <= blues; i++)
- colors[i].blue = gamma[i * maxValue / blues].blue;
- break;
- }
- for(i = 0; i < numColors; i++) {
- colors[i].red = gamma[((i >> pVisual->offsetRed) & reds) *
- maxValue / reds].red;
- colors[i].green = gamma[((i >> pVisual->offsetGreen) & greens) *
- maxValue / greens].green;
- colors[i].blue = gamma[((i >> pVisual->offsetBlue) & blues) *
- maxValue / blues].blue;
- }
- break;
- case StaticColor:
- case PseudoColor:
- case GrayScale:
- for(i = 0; i < defs; i++) {
- index = indices[i];
- entry = (EntryPtr)&pmap->red[index];
-
- if(entry->fShared) {
- colors[index].red =
- gamma[entry->co.shco.red->color >> shift].red;
- colors[index].green =
- gamma[entry->co.shco.green->color >> shift].green;
- colors[index].blue =
- gamma[entry->co.shco.blue->color >> shift].blue;
- } else {
- colors[index].red =
- gamma[entry->co.local.red >> shift].red;
- colors[index].green =
- gamma[entry->co.local.green >> shift].green;
- colors[index].blue =
- gamma[entry->co.local.blue >> shift].blue;
- }
- }
- break;
- case DirectColor:
- if (CMapColormapUseMax(pVisual, pScreenPriv)) {
- for(i = 0; i < defs; i++) {
- index = indices[i];
- if(index <= reds)
- colors[index].red =
- gamma[pmap->red[index].co.local.red >> shift].red;
- if(index <= greens)
- colors[index].green =
- gamma[pmap->green[index].co.local.green >> shift].green;
- if(index <= blues)
- colors[index].blue =
- gamma[pmap->blue[index].co.local.blue >> shift].blue;
-
- }
- break;
- }
- for(i = 0; i < defs; i++) {
- index = indices[i];
-
- colors[index].red = gamma[pmap->red[
- (index >> pVisual->offsetRed) & reds
- ].co.local.red >> shift].red;
- colors[index].green = gamma[pmap->green[
- (index >> pVisual->offsetGreen) & greens
- ].co.local.green >> shift].green;
- colors[index].blue = gamma[pmap->blue[
- (index >> pVisual->offsetBlue) & blues
- ].co.local.blue >> shift].blue;
- }
- break;
- }
-
-
- if(LOAD_PALETTE(pmap, pmap->pScreen->myNum))
- (*pScrn->LoadPalette)(pScreenPriv->pScrn, defs, indices,
- colors, pmap->pVisual);
-
- if (pScrn->SetOverscan)
- CMapSetOverscan(pmap, defs, indices);
-
-}
-
-static Bool
-CMapCompareColors(LOCO *color1, LOCO *color2)
-{
- /* return TRUE if the color1 is "closer" to black than color2 */
-#ifdef DEBUGOVERSCAN
- ErrorF("#%02x%02x%02x vs #%02x%02x%02x (%d vs %d)\n",
- color1->red, color1->green, color1->blue,
- color2->red, color2->green, color2->blue,
- color1->red + color1->green + color1->blue,
- color2->red + color2->green + color2->blue);
-#endif
- return (color1->red + color1->green + color1->blue <
- color2->red + color2->green + color2->blue);
-}
-
-static void
-CMapSetOverscan(ColormapPtr pmap, int defs, int *indices)
-{
- CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
- &pmap->pScreen->devPrivates, CMapScreenKey);
- CMapColormapPtr pColPriv = (CMapColormapPtr)dixLookupPrivate(
- &pmap->devPrivates, CMapColormapKey);
- ScrnInfoPtr pScrn = xf86Screens[pmap->pScreen->myNum];
- VisualPtr pVisual = pmap->pVisual;
- int i;
- LOCO *colors;
- int index;
- Bool newOverscan = FALSE;
- int overscan, tmpOverscan;
-
- colors = pColPriv->colors;
- overscan = pColPriv->overscan;
-
- /*
- * Search for a new overscan index in the following cases:
- *
- * - The index hasn't yet been initialised.  In this case search
- * for an index that is black or a close match to black.
- *
- * - The colour of the old index is changed. In this case search
- * all indices for a black or close match to black.
- *
- * - The colour of the old index wasn't black. In this case only
- * search the indices that were changed for a better match to black.
- */
-
- switch (pVisual->class) {
- case StaticGray:
- case TrueColor:
- /* Should only come here once. Initialise the overscan index to 0 */
- overscan = 0;
- newOverscan = TRUE;
- break;
- case StaticColor:
- /*
- * Only come here once, but search for the overscan in the same way
- * as for the other cases.
- */
- case DirectColor:
- case PseudoColor:
- case GrayScale:
- if (overscan < 0 || overscan > pScreenPriv->maxColors - 1) {
- /* Uninitialised */
- newOverscan = TRUE;
- } else {
- /* Check if the overscan was changed */
- for (i = 0; i < defs; i++) {
- index = indices[i];
- if (index == overscan) {
- newOverscan = TRUE;
- break;
- }
- }
- }
- if (newOverscan) {
- /* The overscan is either uninitialised or it has been changed */
-
- if (overscan < 0 || overscan > pScreenPriv->maxColors - 1)
- tmpOverscan = pScreenPriv->maxColors - 1;
- else
- tmpOverscan = overscan;
-
- /* search all entries for a close match to black */
- for (i = pScreenPriv->maxColors - 1; i >= 0; i--) {
- if (colors[i].red == 0 && colors[i].green == 0 &&
- colors[i].blue == 0) {
- overscan = i;
-#ifdef DEBUGOVERSCAN
- ErrorF("Black found at index 0x%02x\n", i);
-#endif
- break;
- } else {
-#ifdef DEBUGOVERSCAN
- ErrorF("0x%02x: ", i);
-#endif
- if (CMapCompareColors(&colors[i], &colors[tmpOverscan])) {
- tmpOverscan = i;
-#ifdef DEBUGOVERSCAN
- ErrorF("possible \"Black\" at index 0x%02x\n", i);
-#endif
- }
- }
- }
- if (i < 0)
- overscan = tmpOverscan;
- } else {
- /* Check of the old overscan wasn't black */
- if (colors[overscan].red != 0 || colors[overscan].green != 0 ||
- colors[overscan].blue != 0) {
- int oldOverscan = tmpOverscan = overscan;
- /* See of there is now a better match */
- for (i = 0; i < defs; i++) {
- index = indices[i];
- if (colors[index].red == 0 && colors[index].green == 0 &&
- colors[index].blue == 0) {
- overscan = index;
-#ifdef DEBUGOVERSCAN
- ErrorF("Black found at index 0x%02x\n", index);
-#endif
- break;
- } else {
-#ifdef DEBUGOVERSCAN
- ErrorF("0x%02x: ", index);
-#endif
- if (CMapCompareColors(&colors[index],
- &colors[tmpOverscan])) {
- tmpOverscan = index;
-#ifdef DEBUGOVERSCAN
- ErrorF("possible \"Black\" at index 0x%02x\n",
- index);
-#endif
- }
- }
- }
- if (i == defs)
- overscan = tmpOverscan;
- if (overscan != oldOverscan)
- newOverscan = TRUE;
- }
- }
- break;
- }
- if (newOverscan) {
- pColPriv->overscan = overscan;
- if (LOAD_PALETTE(pmap, pmap->pScreen->myNum)) {
-#ifdef DEBUGOVERSCAN
- ErrorF("SetOverscan() called from CmapSetOverscan\n");
-#endif
- pScrn->SetOverscan(pScreenPriv->pScrn, overscan);
- }
- }
-}
-
-static void
-CMapUnwrapScreen(ScreenPtr pScreen)
-{
- CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
- &pScreen->devPrivates, CMapScreenKey);
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-
- pScreen->CloseScreen = pScreenPriv->CloseScreen;
- pScreen->CreateColormap = pScreenPriv->CreateColormap;
- pScreen->DestroyColormap = pScreenPriv->DestroyColormap;
- pScreen->InstallColormap = pScreenPriv->InstallColormap;
- pScreen->StoreColors = pScreenPriv->StoreColors;
-
- pScrn->EnterVT = pScreenPriv->EnterVT;
- pScrn->SwitchMode = pScreenPriv->SwitchMode;
- pScrn->SetDGAMode = pScreenPriv->SetDGAMode;
- pScrn->ChangeGamma = pScreenPriv->ChangeGamma;
-
- xfree(pScreenPriv->gamma);
- xfree(pScreenPriv->PreAllocIndices);
- xfree(pScreenPriv);
-}
-
-
-static void
-ComputeGamma(CMapScreenPtr priv)
-{
- int elements = priv->gammaElements - 1;
- double RedGamma, GreenGamma, BlueGamma;
- int i;
-
-#ifndef DONT_CHECK_GAMMA
- /* This check is to catch drivers that are not initialising pScrn->gamma */
- if (priv->pScrn->gamma.red < GAMMA_MIN ||
- priv->pScrn->gamma.red > GAMMA_MAX ||
- priv->pScrn->gamma.green < GAMMA_MIN ||
- priv->pScrn->gamma.green > GAMMA_MAX ||
- priv->pScrn->gamma.blue < GAMMA_MIN ||
- priv->pScrn->gamma.blue > GAMMA_MAX) {
-
- xf86DrvMsgVerb(priv->pScrn->scrnIndex, X_WARNING, 0,
- "The %s driver didn't call xf86SetGamma() to initialise\n"
- "\tthe gamma values.\n", priv->pScrn->driverName);
- xf86DrvMsgVerb(priv->pScrn->scrnIndex, X_WARNING, 0,
- "PLEASE FIX THE `%s' DRIVER!\n", priv->pScrn->driverName);
- priv->pScrn->gamma.red = 1.0;
- priv->pScrn->gamma.green = 1.0;
- priv->pScrn->gamma.blue = 1.0;
- }
-#endif
-
- RedGamma = 1.0 / (double)priv->pScrn->gamma.red;
- GreenGamma = 1.0 / (double)priv->pScrn->gamma.green;
- BlueGamma = 1.0 / (double)priv->pScrn->gamma.blue;
-
- for(i = 0; i <= elements; i++) {
- if(RedGamma == 1.0)
- priv->gamma[i].red = i;
- else
- priv->gamma[i].red = (CARD16)(pow((double)i/(double)elements,
- RedGamma) * (double)elements + 0.5);
-
- if(GreenGamma == 1.0)
- priv->gamma[i].green = i;
- else
- priv->gamma[i].green = (CARD16)(pow((double)i/(double)elements,
- GreenGamma) * (double)elements + 0.5);
-
- if(BlueGamma == 1.0)
- priv->gamma[i].blue = i;
- else
- priv->gamma[i].blue = (CARD16)(pow((double)i/(double)elements,
- BlueGamma) * (double)elements + 0.5);
- }
-}
-
-
-int
-CMapChangeGamma(
- int index,
- Gamma gamma
-){
- int ret = Success;
- ScrnInfoPtr pScrn = xf86Screens[index];
- ScreenPtr pScreen = pScrn->pScreen;
- CMapColormapPtr pColPriv;
- CMapScreenPtr pScreenPriv;
- CMapLinkPtr pLink;
-
- /* Is this sufficient checking ? */
- if(CMapScreenKey == NULL)
- return BadImplementation;
-
- pScreenPriv = (CMapScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
- CMapScreenKey);
- if(!pScreenPriv)
- return BadImplementation;
-
- if (gamma.red < GAMMA_MIN || gamma.red > GAMMA_MAX ||
- gamma.green < GAMMA_MIN || gamma.green > GAMMA_MAX ||
- gamma.blue < GAMMA_MIN || gamma.blue > GAMMA_MAX)
- return BadValue;
-
- pScrn->gamma.red = gamma.red;
- pScrn->gamma.green = gamma.green;
- pScrn->gamma.blue = gamma.blue;
-
- ComputeGamma(pScreenPriv);
-
- /* mark all colormaps on this screen */
- pLink = pScreenPriv->maps;
- while(pLink) {
- pColPriv = (CMapColormapPtr)dixLookupPrivate(&pLink->cmap->devPrivates,
- CMapColormapKey);
- pColPriv->recalculate = TRUE;
- pLink = pLink->next;
- }
-
- if(miInstalledMaps[pScreen->myNum] &&
- ((pScreenPriv->flags & CMAP_LOAD_EVEN_IF_OFFSCREEN) ||
- pScrn->vtSema || pScreenPriv->isDGAmode)) {
- ColormapPtr pMap = miInstalledMaps[pScreen->myNum];
-
- if (!(pScreenPriv->flags & CMAP_PALETTED_TRUECOLOR) &&
- (pMap->pVisual->class == TrueColor) &&
- CMapColormapUseMax(pMap->pVisual, pScreenPriv)) {
-
- /* if the current map doesn't have a palette look
- for another map to change the gamma on. */
-
- pLink = pScreenPriv->maps;
- while(pLink) {
- if(pLink->cmap->pVisual->class == PseudoColor)
- break;
- pLink = pLink->next;
- }
-
- if(pLink) {
- /* need to trick CMapRefreshColors() into thinking
- this is the currently installed map */
- miInstalledMaps[pScreen->myNum] = pLink->cmap;
- CMapReinstallMap(pLink->cmap);
- miInstalledMaps[pScreen->myNum] = pMap;
- }
- } else
- CMapReinstallMap(pMap);
- }
-
- pScrn->ChangeGamma = pScreenPriv->ChangeGamma;
- if (pScrn->ChangeGamma)
- ret = pScrn->ChangeGamma(index, gamma);
- pScrn->ChangeGamma = CMapChangeGamma;
-
- return ret;
-}
-
-
-static void
-ComputeGammaRamp (
- CMapScreenPtr priv,
- unsigned short *red,
- unsigned short *green,
- unsigned short *blue
-){
- int elements = priv->gammaElements;
- LOCO *entry = priv->gamma;
- int shift = 16 - priv->sigRGBbits;
-
- while(elements--) {
- entry->red = *(red++) >> shift;
- entry->green = *(green++) >> shift;
- entry->blue = *(blue++) >> shift;
- entry++;
- }
-}
-
-int
-xf86ChangeGammaRamp(
- ScreenPtr pScreen,
- int size,
- unsigned short *red,
- unsigned short *green,
- unsigned short *blue
-){
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- CMapColormapPtr pColPriv;
- CMapScreenPtr pScreenPriv;
- CMapLinkPtr pLink;
-
- if (xf86_crtc_supports_gamma(pScrn)) {
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
- RRCrtcPtr crtc = config->output[config->compat_output]->crtc->randr_crtc;
-
- if (crtc->gammaSize != size)
- return BadValue;
-
- RRCrtcGammaSet(crtc, red, green, blue);
-
- return Success;
- }
-
- if(CMapScreenKey == NULL)
- return BadImplementation;
-
- pScreenPriv = (CMapScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
- CMapScreenKey);
- if(!pScreenPriv)
- return BadImplementation;
-
- if(pScreenPriv->gammaElements != size)
- return BadValue;
-
- ComputeGammaRamp(pScreenPriv, red, green, blue);
-
- /* mark all colormaps on this screen */
- pLink = pScreenPriv->maps;
- while(pLink) {
- pColPriv = (CMapColormapPtr)dixLookupPrivate(&pLink->cmap->devPrivates,
- CMapColormapKey);
- pColPriv->recalculate = TRUE;
- pLink = pLink->next;
- }
-
- if(miInstalledMaps[pScreen->myNum] &&
- ((pScreenPriv->flags & CMAP_LOAD_EVEN_IF_OFFSCREEN) ||
- pScrn->vtSema || pScreenPriv->isDGAmode)) {
- ColormapPtr pMap = miInstalledMaps[pScreen->myNum];
-
- if (!(pScreenPriv->flags & CMAP_PALETTED_TRUECOLOR) &&
- (pMap->pVisual->class == TrueColor) &&
- CMapColormapUseMax(pMap->pVisual, pScreenPriv)) {
-
- /* if the current map doesn't have a palette look
- for another map to change the gamma on. */
-
- pLink = pScreenPriv->maps;
- while(pLink) {
- if(pLink->cmap->pVisual->class == PseudoColor)
- break;
- pLink = pLink->next;
- }
-
- if(pLink) {
- /* need to trick CMapRefreshColors() into thinking
- this is the currently installed map */
- miInstalledMaps[pScreen->myNum] = pLink->cmap;
- CMapReinstallMap(pLink->cmap);
- miInstalledMaps[pScreen->myNum] = pMap;
- }
- } else
- CMapReinstallMap(pMap);
- }
-
- return Success;
-}
-
-int
-xf86GetGammaRampSize(ScreenPtr pScreen)
-{
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- CMapScreenPtr pScreenPriv;
-
- if (xf86_crtc_supports_gamma(pScrn)) {
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
- RRCrtcPtr crtc = config->output[config->compat_output]->crtc->randr_crtc;
-
- return crtc->gammaSize;
- }
-
- if(CMapScreenKey == NULL) return 0;
-
- pScreenPriv = (CMapScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
- CMapScreenKey);
- if(!pScreenPriv) return 0;
-
- return pScreenPriv->gammaElements;
-}
-
-int
-xf86GetGammaRamp(
- ScreenPtr pScreen,
- int size,
- unsigned short *red,
- unsigned short *green,
- unsigned short *blue
-){
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- CMapScreenPtr pScreenPriv;
- LOCO *entry;
- int shift, sigbits;
-
- if (xf86_crtc_supports_gamma(pScrn)) {
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
- RRCrtcPtr crtc = config->output[config->compat_output]->crtc->randr_crtc;
-
- if (crtc->gammaSize < size)
- return BadValue;
-
- if (!RRCrtcGammaGet(crtc))
- return BadImplementation;
-
- memcpy(red, crtc->gammaRed, size * sizeof(*red));
- memcpy(green, crtc->gammaGreen, size * sizeof(*green));
- memcpy(blue, crtc->gammaBlue, size * sizeof(*blue));
-
- return Success;
- }
-
- if(CMapScreenKey == NULL)
- return BadImplementation;
-
- pScreenPriv = (CMapScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
- CMapScreenKey);
- if(!pScreenPriv)
- return BadImplementation;
-
- if(size > pScreenPriv->gammaElements)
- return BadValue;
-
- entry = pScreenPriv->gamma;
- sigbits = pScreenPriv->sigRGBbits;
-
- while(size--) {
- *red = entry->red << (16 - sigbits);
- *green = entry->green << (16 - sigbits);
- *blue = entry->blue << (16 - sigbits);
- shift = sigbits;
- while(shift < 16) {
- *red |= *red >> shift;
- *green |= *green >> shift;
- *blue |= *blue >> shift;
- shift += sigbits;
- }
- red++; green++; blue++;
- entry++;
- }
-
- return Success;
-}
-
-int
-xf86ChangeGamma(
- ScreenPtr pScreen,
- Gamma gamma
-){
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-
- if(pScrn->ChangeGamma)
- return (*pScrn->ChangeGamma)(pScreen->myNum, gamma);
-
- return BadImplementation;
-}
+/*
+ * Copyright (c) 1998-2001 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the copyright holder(s)
+ * and author(s) shall not be used in advertising or otherwise to promote
+ * the sale, use or other dealings in this Software without prior written
+ * authorization from the copyright holder(s) and author(s).
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#if defined(_XOPEN_SOURCE) || defined(sun) && defined(__SVR4)
+#include <math.h>
+#else
+#define _XOPEN_SOURCE /* to get prototype for pow on some systems */
+#include <math.h>
+#undef _XOPEN_SOURCE
+#endif
+
+#include <X11/X.h>
+#include "misc.h"
+#include <X11/Xproto.h>
+#include "colormapst.h"
+#include "scrnintstr.h"
+
+#include "resource.h"
+
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include "xf86str.h"
+#include "micmap.h"
+#include "xf86Crtc.h"
+
+#ifdef XFreeXDGA
+#include <X11/extensions/xf86dgaproto.h>
+#include "dgaproc.h"
+#endif
+
+#include "xf86cmap.h"
+
+#define SCREEN_PROLOGUE(pScreen, field) ((pScreen)->field = \
+ ((CMapScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, CMapScreenKey))->field)
+#define SCREEN_EPILOGUE(pScreen, field, wrapper)\
+ ((pScreen)->field = wrapper)
+
+#define LOAD_PALETTE(pmap, index) \
+ ((pmap == miInstalledMaps[index]) && \
+ ((pScreenPriv->flags & CMAP_LOAD_EVEN_IF_OFFSCREEN) || \
+ xf86Screens[index]->vtSema || pScreenPriv->isDGAmode))
+
+
+typedef struct _CMapLink {
+ ColormapPtr cmap;
+ struct _CMapLink *next;
+} CMapLink, *CMapLinkPtr;
+
+typedef struct {
+ ScrnInfoPtr pScrn;
+ CloseScreenProcPtr CloseScreen;
+ CreateColormapProcPtr CreateColormap;
+ DestroyColormapProcPtr DestroyColormap;
+ InstallColormapProcPtr InstallColormap;
+ StoreColorsProcPtr StoreColors;
+ Bool (*EnterVT)(int, int);
+ Bool (*SwitchMode)(int, DisplayModePtr, int);
+ int (*SetDGAMode)(int, int, DGADevicePtr);
+ xf86ChangeGammaProc *ChangeGamma;
+ int maxColors;
+ int sigRGBbits;
+ int gammaElements;
+ LOCO *gamma;
+ int *PreAllocIndices;
+ CMapLinkPtr maps;
+ unsigned int flags;
+ Bool isDGAmode;
+} CMapScreenRec, *CMapScreenPtr;
+
+typedef struct {
+ int numColors;
+ LOCO *colors;
+ Bool recalculate;
+ int overscan;
+} CMapColormapRec, *CMapColormapPtr;
+
+static int CMapScreenKeyIndex;
+static DevPrivateKey CMapScreenKey;
+static int CMapColormapKeyIndex;
+static DevPrivateKey CMapColormapKey = &CMapColormapKeyIndex;
+
+static void CMapInstallColormap(ColormapPtr);
+static void CMapStoreColors(ColormapPtr, int, xColorItem *);
+static Bool CMapCloseScreen (int, ScreenPtr);
+static Bool CMapCreateColormap (ColormapPtr);
+static void CMapDestroyColormap (ColormapPtr);
+
+static Bool CMapEnterVT(int, int);
+static Bool CMapSwitchMode(int, DisplayModePtr, int);
+#ifdef XFreeXDGA
+static int CMapSetDGAMode(int, int, DGADevicePtr);
+#endif
+static int CMapChangeGamma(int, Gamma);
+
+static void ComputeGamma(CMapScreenPtr);
+static Bool CMapAllocateColormapPrivate(ColormapPtr);
+static void CMapRefreshColors(ColormapPtr, int, int*);
+static void CMapSetOverscan(ColormapPtr, int, int *);
+static void CMapReinstallMap(ColormapPtr);
+static void CMapUnwrapScreen(ScreenPtr pScreen);
+
+
+
+Bool xf86HandleColormaps(
+ ScreenPtr pScreen,
+ int maxColors,
+ int sigRGBbits,
+ xf86LoadPaletteProc *loadPalette,
+ xf86SetOverscanProc *setOverscan,
+ unsigned int flags
+){
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ ColormapPtr pDefMap = NULL;
+ CMapScreenPtr pScreenPriv;
+ LOCO *gamma;
+ int *indices;
+ int elements;
+
+ /* If we support a better colormap system, then pretend we succeeded. */
+ if (xf86_crtc_supports_gamma(pScrn))
+ return TRUE;
+
+ if(!maxColors || !sigRGBbits || !loadPalette)
+ return FALSE;
+
+ CMapScreenKey = &CMapScreenKeyIndex;
+
+ elements = 1 << sigRGBbits;
+
+ if(!(gamma = xalloc(elements * sizeof(LOCO))))
+ return FALSE;
+
+ if(!(indices = xalloc(maxColors * sizeof(int)))) {
+ xfree(gamma);
+ return FALSE;
+ }
+
+ if(!(pScreenPriv = xalloc(sizeof(CMapScreenRec)))) {
+ xfree(gamma);
+ xfree(indices);
+ return FALSE;
+ }
+
+ dixSetPrivate(&pScreen->devPrivates, CMapScreenKey, pScreenPriv);
+
+ pScreenPriv->CloseScreen = pScreen->CloseScreen;
+ pScreenPriv->CreateColormap = pScreen->CreateColormap;
+ pScreenPriv->DestroyColormap = pScreen->DestroyColormap;
+ pScreenPriv->InstallColormap = pScreen->InstallColormap;
+ pScreenPriv->StoreColors = pScreen->StoreColors;
+ pScreen->CloseScreen = CMapCloseScreen;
+ pScreen->CreateColormap = CMapCreateColormap;
+ pScreen->DestroyColormap = CMapDestroyColormap;
+ pScreen->InstallColormap = CMapInstallColormap;
+ pScreen->StoreColors = CMapStoreColors;
+
+ pScreenPriv->pScrn = pScrn;
+ pScrn->LoadPalette = loadPalette;
+ pScrn->SetOverscan = setOverscan;
+ pScreenPriv->maxColors = maxColors;
+ pScreenPriv->sigRGBbits = sigRGBbits;
+ pScreenPriv->gammaElements = elements;
+ pScreenPriv->gamma = gamma;
+ pScreenPriv->PreAllocIndices = indices;
+ pScreenPriv->maps = NULL;
+ pScreenPriv->flags = flags;
+ pScreenPriv->isDGAmode = FALSE;
+
+ pScreenPriv->EnterVT = pScrn->EnterVT;
+ pScreenPriv->SwitchMode = pScrn->SwitchMode;
+ pScreenPriv->SetDGAMode = pScrn->SetDGAMode;
+ pScreenPriv->ChangeGamma = pScrn->ChangeGamma;
+
+ if (!(flags & CMAP_LOAD_EVEN_IF_OFFSCREEN)) {
+ pScrn->EnterVT = CMapEnterVT;
+ if ((flags & CMAP_RELOAD_ON_MODE_SWITCH) && pScrn->SwitchMode)
+ pScrn->SwitchMode = CMapSwitchMode;
+ }
+#ifdef XFreeXDGA
+ pScrn->SetDGAMode = CMapSetDGAMode;
+#endif
+ pScrn->ChangeGamma = CMapChangeGamma;
+
+ ComputeGamma(pScreenPriv);
+
+ /* get the default map */
+ dixLookupResourceByType((pointer *)&pDefMap, pScreen->defColormap,
+ RT_COLORMAP, serverClient, DixInstallAccess);
+
+ if(!CMapAllocateColormapPrivate(pDefMap)) {
+ CMapUnwrapScreen(pScreen);
+ return FALSE;
+ }
+
+ /* Force the initial map to be loaded */
+ miInstalledMaps[pScreen->myNum] = NULL;
+ CMapInstallColormap(pDefMap);
+ return TRUE;
+}
+
+
+/**** Screen functions ****/
+
+
+static Bool
+CMapCloseScreen (int i, ScreenPtr pScreen)
+{
+ CMapUnwrapScreen(pScreen);
+
+ return (*pScreen->CloseScreen) (i, pScreen);
+}
+
+static Bool
+CMapColormapUseMax(VisualPtr pVisual, CMapScreenPtr pScreenPriv)
+{
+ if (pVisual->nplanes > 16)
+ return TRUE;
+ return ((1 << pVisual->nplanes) > pScreenPriv->maxColors);
+}
+
+static Bool
+CMapAllocateColormapPrivate(ColormapPtr pmap)
+{
+ CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
+ &pmap->pScreen->devPrivates, CMapScreenKey);
+ CMapColormapPtr pColPriv;
+ CMapLinkPtr pLink;
+ int numColors;
+ LOCO *colors;
+
+ if (CMapColormapUseMax(pmap->pVisual, pScreenPriv))
+ numColors = pmap->pVisual->ColormapEntries;
+ else
+ numColors = 1 << pmap->pVisual->nplanes;
+
+ if(!(colors = xalloc(numColors * sizeof(LOCO))))
+ return FALSE;
+
+ if(!(pColPriv = xalloc(sizeof(CMapColormapRec)))) {
+ xfree(colors);
+ return FALSE;
+ }
+
+ dixSetPrivate(&pmap->devPrivates, CMapColormapKey, pColPriv);
+
+ pColPriv->numColors = numColors;
+ pColPriv->colors = colors;
+ pColPriv->recalculate = TRUE;
+ pColPriv->overscan = -1;
+
+ /* add map to list */
+ pLink = xalloc(sizeof(CMapLink));
+ if(pLink) {
+ pLink->cmap = pmap;
+ pLink->next = pScreenPriv->maps;
+ pScreenPriv->maps = pLink;
+ }
+
+ return TRUE;
+}
+
+static Bool
+CMapCreateColormap (ColormapPtr pmap)
+{
+ ScreenPtr pScreen = pmap->pScreen;
+ CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, CMapScreenKey);
+ Bool ret = FALSE;
+
+ pScreen->CreateColormap = pScreenPriv->CreateColormap;
+ if((*pScreen->CreateColormap)(pmap)) {
+ if(CMapAllocateColormapPrivate(pmap))
+ ret = TRUE;
+ }
+ pScreen->CreateColormap = CMapCreateColormap;
+
+ return ret;
+}
+
+static void
+CMapDestroyColormap (ColormapPtr cmap)
+{
+ ScreenPtr pScreen = cmap->pScreen;
+ CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, CMapScreenKey);
+ CMapColormapPtr pColPriv = (CMapColormapPtr)dixLookupPrivate(
+ &cmap->devPrivates, CMapColormapKey);
+ CMapLinkPtr prevLink = NULL, pLink = pScreenPriv->maps;
+
+ if(pColPriv) {
+ if(pColPriv->colors) xfree(pColPriv->colors);
+ xfree(pColPriv);
+ }
+
+ /* remove map from list */
+ while(pLink) {
+ if(pLink->cmap == cmap) {
+ if(prevLink)
+ prevLink->next = pLink->next;
+ else
+ pScreenPriv->maps = pLink->next;
+ xfree(pLink);
+ break;
+ }
+ prevLink = pLink;
+ pLink = pLink->next;
+ }
+
+ if(pScreenPriv->DestroyColormap) {
+ pScreen->DestroyColormap = pScreenPriv->DestroyColormap;
+ (*pScreen->DestroyColormap)(cmap);
+ pScreen->DestroyColormap = CMapDestroyColormap;
+ }
+}
+
+
+
+static void
+CMapStoreColors(
+ ColormapPtr pmap,
+ int ndef,
+ xColorItem *pdefs
+){
+ ScreenPtr pScreen = pmap->pScreen;
+ VisualPtr pVisual = pmap->pVisual;
+ CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, CMapScreenKey);
+ int *indices = pScreenPriv->PreAllocIndices;
+ int num = ndef;
+
+ /* At the moment this isn't necessary since there's nobody below us */
+ pScreen->StoreColors = pScreenPriv->StoreColors;
+ (*pScreen->StoreColors)(pmap, ndef, pdefs);
+ pScreen->StoreColors = CMapStoreColors;
+
+ /* should never get here for these */
+ if( (pVisual->class == TrueColor) ||
+ (pVisual->class == StaticColor) ||
+ (pVisual->class == StaticGray))
+ return;
+
+ if(pVisual->class == DirectColor) {
+ CMapColormapPtr pColPriv = (CMapColormapPtr)dixLookupPrivate(
+ &pmap->devPrivates, CMapColormapKey);
+ int i;
+
+ if (CMapColormapUseMax(pVisual, pScreenPriv)) {
+ int index;
+
+ num = 0;
+ while(ndef--) {
+ if(pdefs[ndef].flags & DoRed) {
+ index = (pdefs[ndef].pixel & pVisual->redMask) >>
+ pVisual->offsetRed;
+ i = num;
+ while(i--)
+ if(indices[i] == index) break;
+ if(i == -1)
+ indices[num++] = index;
+ }
+ if(pdefs[ndef].flags & DoGreen) {
+ index = (pdefs[ndef].pixel & pVisual->greenMask) >>
+ pVisual->offsetGreen;
+ i = num;
+ while(i--)
+ if(indices[i] == index) break;
+ if(i == -1)
+ indices[num++] = index;
+ }
+ if(pdefs[ndef].flags & DoBlue) {
+ index = (pdefs[ndef].pixel & pVisual->blueMask) >>
+ pVisual->offsetBlue;
+ i = num;
+ while(i--)
+ if(indices[i] == index) break;
+ if(i == -1)
+ indices[num++] = index;
+ }
+ }
+
+ } else {
+ /* not really as overkill as it seems */
+ num = pColPriv->numColors;
+ for(i = 0; i < pColPriv->numColors; i++)
+ indices[i] = i;
+ }
+ } else {
+ while(ndef--)
+ indices[ndef] = pdefs[ndef].pixel;
+ }
+
+ CMapRefreshColors(pmap, num, indices);
+}
+
+
+static void
+CMapInstallColormap(ColormapPtr pmap)
+{
+ ScreenPtr pScreen = pmap->pScreen;
+ int index = pScreen->myNum;
+ CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, CMapScreenKey);
+
+ if (pmap == miInstalledMaps[index])
+ return;
+
+ pScreen->InstallColormap = pScreenPriv->InstallColormap;
+ (*pScreen->InstallColormap)(pmap);
+ pScreen->InstallColormap = CMapInstallColormap;
+
+ /* Important. We let the lower layers, namely DGA,
+ overwrite the choice of Colormap to install */
+ if (miInstalledMaps[index])
+ pmap = miInstalledMaps[index];
+
+ if (!(pScreenPriv->flags & CMAP_PALETTED_TRUECOLOR) &&
+ (pmap->pVisual->class == TrueColor) &&
+ CMapColormapUseMax(pmap->pVisual, pScreenPriv))
+ return;
+
+ if(LOAD_PALETTE(pmap, index))
+ CMapReinstallMap(pmap);
+}
+
+
+/**** ScrnInfoRec functions ****/
+
+static Bool
+CMapEnterVT(int index, int flags)
+{
+ ScreenPtr pScreen = screenInfo.screens[index];
+ CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, CMapScreenKey);
+
+ if((*pScreenPriv->EnterVT)(index, flags)) {
+ if(miInstalledMaps[index])
+ CMapReinstallMap(miInstalledMaps[index]);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+
+static Bool
+CMapSwitchMode(int index, DisplayModePtr mode, int flags)
+{
+ ScreenPtr pScreen = screenInfo.screens[index];
+ CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, CMapScreenKey);
+
+ if((*pScreenPriv->SwitchMode)(index, mode, flags)) {
+ if(miInstalledMaps[index])
+ CMapReinstallMap(miInstalledMaps[index]);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+#ifdef XFreeXDGA
+static int
+CMapSetDGAMode(int index, int num, DGADevicePtr dev)
+{
+ ScreenPtr pScreen = screenInfo.screens[index];
+ CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, CMapScreenKey);
+ int ret;
+
+ ret = (*pScreenPriv->SetDGAMode)(index, num, dev);
+
+ pScreenPriv->isDGAmode = DGAActive(index);
+
+ if(!pScreenPriv->isDGAmode && miInstalledMaps[index]
+ && xf86Screens[pScreen->myNum]->vtSema)
+ CMapReinstallMap(miInstalledMaps[index]);
+
+ return ret;
+}
+#endif
+
+
+/**** Utilities ****/
+
+static void
+CMapReinstallMap(ColormapPtr pmap)
+{
+ CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
+ &pmap->pScreen->devPrivates, CMapScreenKey);
+ CMapColormapPtr cmapPriv = (CMapColormapPtr)dixLookupPrivate(
+ &pmap->devPrivates, CMapColormapKey);
+ ScrnInfoPtr pScrn = xf86Screens[pmap->pScreen->myNum];
+ int i = cmapPriv->numColors;
+ int *indices = pScreenPriv->PreAllocIndices;
+
+ while(i--)
+ indices[i] = i;
+
+ if(cmapPriv->recalculate)
+ CMapRefreshColors(pmap, cmapPriv->numColors, indices);
+ else {
+ (*pScrn->LoadPalette)(pScrn, cmapPriv->numColors,
+ indices, cmapPriv->colors, pmap->pVisual);
+ if (pScrn->SetOverscan) {
+#ifdef DEBUGOVERSCAN
+ ErrorF("SetOverscan() called from CMapReinstallMap\n");
+#endif
+ pScrn->SetOverscan(pScrn, cmapPriv->overscan);
+ }
+ }
+
+ cmapPriv->recalculate = FALSE;
+}
+
+
+static void
+CMapRefreshColors(ColormapPtr pmap, int defs, int* indices)
+{
+ CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
+ &pmap->pScreen->devPrivates, CMapScreenKey);
+ CMapColormapPtr pColPriv = (CMapColormapPtr)dixLookupPrivate(
+ &pmap->devPrivates, CMapColormapKey);
+ VisualPtr pVisual = pmap->pVisual;
+ ScrnInfoPtr pScrn = xf86Screens[pmap->pScreen->myNum];
+ int numColors, i;
+ LOCO *gamma, *colors;
+ EntryPtr entry;
+ int reds, greens, blues, maxValue, index, shift;
+
+ numColors = pColPriv->numColors;
+ shift = 16 - pScreenPriv->sigRGBbits;
+ maxValue = (1 << pScreenPriv->sigRGBbits) - 1;
+ gamma = pScreenPriv->gamma;
+ colors = pColPriv->colors;
+
+ reds = pVisual->redMask >> pVisual->offsetRed;
+ greens = pVisual->greenMask >> pVisual->offsetGreen;
+ blues = pVisual->blueMask >> pVisual->offsetBlue;
+
+ switch(pVisual->class) {
+ case StaticGray:
+ for(i = 0; i < numColors; i++) {
+ index = (i+1) * maxValue / numColors;
+ colors[i].red = gamma[index].red;
+ colors[i].green = gamma[index].green;
+ colors[i].blue = gamma[index].blue;
+ }
+ break;
+ case TrueColor:
+ if (CMapColormapUseMax(pVisual, pScreenPriv)) {
+ for(i = 0; i <= reds; i++)
+ colors[i].red = gamma[i * maxValue / reds].red;
+ for(i = 0; i <= greens; i++)
+ colors[i].green = gamma[i * maxValue / greens].green;
+ for(i = 0; i <= blues; i++)
+ colors[i].blue = gamma[i * maxValue / blues].blue;
+ break;
+ }
+ for(i = 0; i < numColors; i++) {
+ colors[i].red = gamma[((i >> pVisual->offsetRed) & reds) *
+ maxValue / reds].red;
+ colors[i].green = gamma[((i >> pVisual->offsetGreen) & greens) *
+ maxValue / greens].green;
+ colors[i].blue = gamma[((i >> pVisual->offsetBlue) & blues) *
+ maxValue / blues].blue;
+ }
+ break;
+ case StaticColor:
+ case PseudoColor:
+ case GrayScale:
+ for(i = 0; i < defs; i++) {
+ index = indices[i];
+ entry = (EntryPtr)&pmap->red[index];
+
+ if(entry->fShared) {
+ colors[index].red =
+ gamma[entry->co.shco.red->color >> shift].red;
+ colors[index].green =
+ gamma[entry->co.shco.green->color >> shift].green;
+ colors[index].blue =
+ gamma[entry->co.shco.blue->color >> shift].blue;
+ } else {
+ colors[index].red =
+ gamma[entry->co.local.red >> shift].red;
+ colors[index].green =
+ gamma[entry->co.local.green >> shift].green;
+ colors[index].blue =
+ gamma[entry->co.local.blue >> shift].blue;
+ }
+ }
+ break;
+ case DirectColor:
+ if (CMapColormapUseMax(pVisual, pScreenPriv)) {
+ for(i = 0; i < defs; i++) {
+ index = indices[i];
+ if(index <= reds)
+ colors[index].red =
+ gamma[pmap->red[index].co.local.red >> shift].red;
+ if(index <= greens)
+ colors[index].green =
+ gamma[pmap->green[index].co.local.green >> shift].green;
+ if(index <= blues)
+ colors[index].blue =
+ gamma[pmap->blue[index].co.local.blue >> shift].blue;
+
+ }
+ break;
+ }
+ for(i = 0; i < defs; i++) {
+ index = indices[i];
+
+ colors[index].red = gamma[pmap->red[
+ (index >> pVisual->offsetRed) & reds
+ ].co.local.red >> shift].red;
+ colors[index].green = gamma[pmap->green[
+ (index >> pVisual->offsetGreen) & greens
+ ].co.local.green >> shift].green;
+ colors[index].blue = gamma[pmap->blue[
+ (index >> pVisual->offsetBlue) & blues
+ ].co.local.blue >> shift].blue;
+ }
+ break;
+ }
+
+
+ if(LOAD_PALETTE(pmap, pmap->pScreen->myNum))
+ (*pScrn->LoadPalette)(pScreenPriv->pScrn, defs, indices,
+ colors, pmap->pVisual);
+
+ if (pScrn->SetOverscan)
+ CMapSetOverscan(pmap, defs, indices);
+
+}
+
+static Bool
+CMapCompareColors(LOCO *color1, LOCO *color2)
+{
+ /* return TRUE if the color1 is "closer" to black than color2 */
+#ifdef DEBUGOVERSCAN
+ ErrorF("#%02x%02x%02x vs #%02x%02x%02x (%d vs %d)\n",
+ color1->red, color1->green, color1->blue,
+ color2->red, color2->green, color2->blue,
+ color1->red + color1->green + color1->blue,
+ color2->red + color2->green + color2->blue);
+#endif
+ return (color1->red + color1->green + color1->blue <
+ color2->red + color2->green + color2->blue);
+}
+
+static void
+CMapSetOverscan(ColormapPtr pmap, int defs, int *indices)
+{
+ CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
+ &pmap->pScreen->devPrivates, CMapScreenKey);
+ CMapColormapPtr pColPriv = (CMapColormapPtr)dixLookupPrivate(
+ &pmap->devPrivates, CMapColormapKey);
+ ScrnInfoPtr pScrn = xf86Screens[pmap->pScreen->myNum];
+ VisualPtr pVisual = pmap->pVisual;
+ int i;
+ LOCO *colors;
+ int index;
+ Bool newOverscan = FALSE;
+ int overscan, tmpOverscan;
+
+ colors = pColPriv->colors;
+ overscan = pColPriv->overscan;
+
+ /*
+ * Search for a new overscan index in the following cases:
+ *
+ * - The index hasn't yet been initialised.  In this case search
+ * for an index that is black or a close match to black.
+ *
+ * - The colour of the old index is changed. In this case search
+ * all indices for a black or close match to black.
+ *
+ * - The colour of the old index wasn't black. In this case only
+ * search the indices that were changed for a better match to black.
+ */
+
+ switch (pVisual->class) {
+ case StaticGray:
+ case TrueColor:
+ /* Should only come here once. Initialise the overscan index to 0 */
+ overscan = 0;
+ newOverscan = TRUE;
+ break;
+ case StaticColor:
+ /*
+ * Only come here once, but search for the overscan in the same way
+ * as for the other cases.
+ */
+ case DirectColor:
+ case PseudoColor:
+ case GrayScale:
+ if (overscan < 0 || overscan > pScreenPriv->maxColors - 1) {
+ /* Uninitialised */
+ newOverscan = TRUE;
+ } else {
+ /* Check if the overscan was changed */
+ for (i = 0; i < defs; i++) {
+ index = indices[i];
+ if (index == overscan) {
+ newOverscan = TRUE;
+ break;
+ }
+ }
+ }
+ if (newOverscan) {
+ /* The overscan is either uninitialised or it has been changed */
+
+ if (overscan < 0 || overscan > pScreenPriv->maxColors - 1)
+ tmpOverscan = pScreenPriv->maxColors - 1;
+ else
+ tmpOverscan = overscan;
+
+ /* search all entries for a close match to black */
+ for (i = pScreenPriv->maxColors - 1; i >= 0; i--) {
+ if (colors[i].red == 0 && colors[i].green == 0 &&
+ colors[i].blue == 0) {
+ overscan = i;
+#ifdef DEBUGOVERSCAN
+ ErrorF("Black found at index 0x%02x\n", i);
+#endif
+ break;
+ } else {
+#ifdef DEBUGOVERSCAN
+ ErrorF("0x%02x: ", i);
+#endif
+ if (CMapCompareColors(&colors[i], &colors[tmpOverscan])) {
+ tmpOverscan = i;
+#ifdef DEBUGOVERSCAN
+ ErrorF("possible \"Black\" at index 0x%02x\n", i);
+#endif
+ }
+ }
+ }
+ if (i < 0)
+ overscan = tmpOverscan;
+ } else {
+ /* Check of the old overscan wasn't black */
+ if (colors[overscan].red != 0 || colors[overscan].green != 0 ||
+ colors[overscan].blue != 0) {
+ int oldOverscan = tmpOverscan = overscan;
+ /* See of there is now a better match */
+ for (i = 0; i < defs; i++) {
+ index = indices[i];
+ if (colors[index].red == 0 && colors[index].green == 0 &&
+ colors[index].blue == 0) {
+ overscan = index;
+#ifdef DEBUGOVERSCAN
+ ErrorF("Black found at index 0x%02x\n", index);
+#endif
+ break;
+ } else {
+#ifdef DEBUGOVERSCAN
+ ErrorF("0x%02x: ", index);
+#endif
+ if (CMapCompareColors(&colors[index],
+ &colors[tmpOverscan])) {
+ tmpOverscan = index;
+#ifdef DEBUGOVERSCAN
+ ErrorF("possible \"Black\" at index 0x%02x\n",
+ index);
+#endif
+ }
+ }
+ }
+ if (i == defs)
+ overscan = tmpOverscan;
+ if (overscan != oldOverscan)
+ newOverscan = TRUE;
+ }
+ }
+ break;
+ }
+ if (newOverscan) {
+ pColPriv->overscan = overscan;
+ if (LOAD_PALETTE(pmap, pmap->pScreen->myNum)) {
+#ifdef DEBUGOVERSCAN
+ ErrorF("SetOverscan() called from CmapSetOverscan\n");
+#endif
+ pScrn->SetOverscan(pScreenPriv->pScrn, overscan);
+ }
+ }
+}
+
+static void
+CMapUnwrapScreen(ScreenPtr pScreen)
+{
+ CMapScreenPtr pScreenPriv = (CMapScreenPtr)dixLookupPrivate(
+ &pScreen->devPrivates, CMapScreenKey);
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+
+ pScreen->CloseScreen = pScreenPriv->CloseScreen;
+ pScreen->CreateColormap = pScreenPriv->CreateColormap;
+ pScreen->DestroyColormap = pScreenPriv->DestroyColormap;
+ pScreen->InstallColormap = pScreenPriv->InstallColormap;
+ pScreen->StoreColors = pScreenPriv->StoreColors;
+
+ pScrn->EnterVT = pScreenPriv->EnterVT;
+ pScrn->SwitchMode = pScreenPriv->SwitchMode;
+ pScrn->SetDGAMode = pScreenPriv->SetDGAMode;
+ pScrn->ChangeGamma = pScreenPriv->ChangeGamma;
+
+ xfree(pScreenPriv->gamma);
+ xfree(pScreenPriv->PreAllocIndices);
+ xfree(pScreenPriv);
+}
+
+
+static void
+ComputeGamma(CMapScreenPtr priv)
+{
+ int elements = priv->gammaElements - 1;
+ double RedGamma, GreenGamma, BlueGamma;
+ int i;
+
+#ifndef DONT_CHECK_GAMMA
+ /* This check is to catch drivers that are not initialising pScrn->gamma */
+ if (priv->pScrn->gamma.red < GAMMA_MIN ||
+ priv->pScrn->gamma.red > GAMMA_MAX ||
+ priv->pScrn->gamma.green < GAMMA_MIN ||
+ priv->pScrn->gamma.green > GAMMA_MAX ||
+ priv->pScrn->gamma.blue < GAMMA_MIN ||
+ priv->pScrn->gamma.blue > GAMMA_MAX) {
+
+ xf86DrvMsgVerb(priv->pScrn->scrnIndex, X_WARNING, 0,
+ "The %s driver didn't call xf86SetGamma() to initialise\n"
+ "\tthe gamma values.\n", priv->pScrn->driverName);
+ xf86DrvMsgVerb(priv->pScrn->scrnIndex, X_WARNING, 0,
+ "PLEASE FIX THE `%s' DRIVER!\n", priv->pScrn->driverName);
+ priv->pScrn->gamma.red = 1.0;
+ priv->pScrn->gamma.green = 1.0;
+ priv->pScrn->gamma.blue = 1.0;
+ }
+#endif
+
+ RedGamma = 1.0 / (double)priv->pScrn->gamma.red;
+ GreenGamma = 1.0 / (double)priv->pScrn->gamma.green;
+ BlueGamma = 1.0 / (double)priv->pScrn->gamma.blue;
+
+ for(i = 0; i <= elements; i++) {
+ if(RedGamma == 1.0)
+ priv->gamma[i].red = i;
+ else
+ priv->gamma[i].red = (CARD16)(pow((double)i/(double)elements,
+ RedGamma) * (double)elements + 0.5);
+
+ if(GreenGamma == 1.0)
+ priv->gamma[i].green = i;
+ else
+ priv->gamma[i].green = (CARD16)(pow((double)i/(double)elements,
+ GreenGamma) * (double)elements + 0.5);
+
+ if(BlueGamma == 1.0)
+ priv->gamma[i].blue = i;
+ else
+ priv->gamma[i].blue = (CARD16)(pow((double)i/(double)elements,
+ BlueGamma) * (double)elements + 0.5);
+ }
+}
+
+
+int
+CMapChangeGamma(
+ int index,
+ Gamma gamma
+){
+ int ret = Success;
+ ScrnInfoPtr pScrn = xf86Screens[index];
+ ScreenPtr pScreen = pScrn->pScreen;
+ CMapColormapPtr pColPriv;
+ CMapScreenPtr pScreenPriv;
+ CMapLinkPtr pLink;
+
+ /* Is this sufficient checking ? */
+ if(CMapScreenKey == NULL)
+ return BadImplementation;
+
+ pScreenPriv = (CMapScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
+ CMapScreenKey);
+ if(!pScreenPriv)
+ return BadImplementation;
+
+ if (gamma.red < GAMMA_MIN || gamma.red > GAMMA_MAX ||
+ gamma.green < GAMMA_MIN || gamma.green > GAMMA_MAX ||
+ gamma.blue < GAMMA_MIN || gamma.blue > GAMMA_MAX)
+ return BadValue;
+
+ pScrn->gamma.red = gamma.red;
+ pScrn->gamma.green = gamma.green;
+ pScrn->gamma.blue = gamma.blue;
+
+ ComputeGamma(pScreenPriv);
+
+ /* mark all colormaps on this screen */
+ pLink = pScreenPriv->maps;
+ while(pLink) {
+ pColPriv = (CMapColormapPtr)dixLookupPrivate(&pLink->cmap->devPrivates,
+ CMapColormapKey);
+ pColPriv->recalculate = TRUE;
+ pLink = pLink->next;
+ }
+
+ if(miInstalledMaps[pScreen->myNum] &&
+ ((pScreenPriv->flags & CMAP_LOAD_EVEN_IF_OFFSCREEN) ||
+ pScrn->vtSema || pScreenPriv->isDGAmode)) {
+ ColormapPtr pMap = miInstalledMaps[pScreen->myNum];
+
+ if (!(pScreenPriv->flags & CMAP_PALETTED_TRUECOLOR) &&
+ (pMap->pVisual->class == TrueColor) &&
+ CMapColormapUseMax(pMap->pVisual, pScreenPriv)) {
+
+ /* if the current map doesn't have a palette look
+ for another map to change the gamma on. */
+
+ pLink = pScreenPriv->maps;
+ while(pLink) {
+ if(pLink->cmap->pVisual->class == PseudoColor)
+ break;
+ pLink = pLink->next;
+ }
+
+ if(pLink) {
+ /* need to trick CMapRefreshColors() into thinking
+ this is the currently installed map */
+ miInstalledMaps[pScreen->myNum] = pLink->cmap;
+ CMapReinstallMap(pLink->cmap);
+ miInstalledMaps[pScreen->myNum] = pMap;
+ }
+ } else
+ CMapReinstallMap(pMap);
+ }
+
+ pScrn->ChangeGamma = pScreenPriv->ChangeGamma;
+ if (pScrn->ChangeGamma)
+ ret = pScrn->ChangeGamma(index, gamma);
+ pScrn->ChangeGamma = CMapChangeGamma;
+
+ return ret;
+}
+
+
+static void
+ComputeGammaRamp (
+ CMapScreenPtr priv,
+ unsigned short *red,
+ unsigned short *green,
+ unsigned short *blue
+){
+ int elements = priv->gammaElements;
+ LOCO *entry = priv->gamma;
+ int shift = 16 - priv->sigRGBbits;
+
+ while(elements--) {
+ entry->red = *(red++) >> shift;
+ entry->green = *(green++) >> shift;
+ entry->blue = *(blue++) >> shift;
+ entry++;
+ }
+}
+
+int
+xf86ChangeGammaRamp(
+ ScreenPtr pScreen,
+ int size,
+ unsigned short *red,
+ unsigned short *green,
+ unsigned short *blue
+){
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ CMapColormapPtr pColPriv;
+ CMapScreenPtr pScreenPriv;
+ CMapLinkPtr pLink;
+
+ if (xf86_crtc_supports_gamma(pScrn)) {
+ xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
+ RRCrtcPtr crtc = config->output[config->compat_output]->crtc->randr_crtc;
+
+ if (crtc) {
+ if (crtc->gammaSize != size)
+ return BadValue;
+
+ RRCrtcGammaSet(crtc, red, green, blue);
+
+ return Success;
+ }
+ }
+
+ if(CMapScreenKey == NULL)
+ return BadImplementation;
+
+ pScreenPriv = (CMapScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
+ CMapScreenKey);
+ if(!pScreenPriv)
+ return BadImplementation;
+
+ if(pScreenPriv->gammaElements != size)
+ return BadValue;
+
+ ComputeGammaRamp(pScreenPriv, red, green, blue);
+
+ /* mark all colormaps on this screen */
+ pLink = pScreenPriv->maps;
+ while(pLink) {
+ pColPriv = (CMapColormapPtr)dixLookupPrivate(&pLink->cmap->devPrivates,
+ CMapColormapKey);
+ pColPriv->recalculate = TRUE;
+ pLink = pLink->next;
+ }
+
+ if(miInstalledMaps[pScreen->myNum] &&
+ ((pScreenPriv->flags & CMAP_LOAD_EVEN_IF_OFFSCREEN) ||
+ pScrn->vtSema || pScreenPriv->isDGAmode)) {
+ ColormapPtr pMap = miInstalledMaps[pScreen->myNum];
+
+ if (!(pScreenPriv->flags & CMAP_PALETTED_TRUECOLOR) &&
+ (pMap->pVisual->class == TrueColor) &&
+ CMapColormapUseMax(pMap->pVisual, pScreenPriv)) {
+
+ /* if the current map doesn't have a palette look
+ for another map to change the gamma on. */
+
+ pLink = pScreenPriv->maps;
+ while(pLink) {
+ if(pLink->cmap->pVisual->class == PseudoColor)
+ break;
+ pLink = pLink->next;
+ }
+
+ if(pLink) {
+ /* need to trick CMapRefreshColors() into thinking
+ this is the currently installed map */
+ miInstalledMaps[pScreen->myNum] = pLink->cmap;
+ CMapReinstallMap(pLink->cmap);
+ miInstalledMaps[pScreen->myNum] = pMap;
+ }
+ } else
+ CMapReinstallMap(pMap);
+ }
+
+ return Success;
+}
+
+int
+xf86GetGammaRampSize(ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ CMapScreenPtr pScreenPriv;
+
+ if (xf86_crtc_supports_gamma(pScrn)) {
+ xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
+ RRCrtcPtr crtc = config->output[config->compat_output]->crtc->randr_crtc;
+
+ if (crtc)
+ return crtc->gammaSize;
+ }
+
+ if(CMapScreenKey == NULL) return 0;
+
+ pScreenPriv = (CMapScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
+ CMapScreenKey);
+ if(!pScreenPriv) return 0;
+
+ return pScreenPriv->gammaElements;
+}
+
+int
+xf86GetGammaRamp(
+ ScreenPtr pScreen,
+ int size,
+ unsigned short *red,
+ unsigned short *green,
+ unsigned short *blue
+){
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ CMapScreenPtr pScreenPriv;
+ LOCO *entry;
+ int shift, sigbits;
+
+ if (xf86_crtc_supports_gamma(pScrn)) {
+ xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
+ RRCrtcPtr crtc = config->output[config->compat_output]->crtc->randr_crtc;
+
+ if (crtc) {
+ if (crtc->gammaSize < size)
+ return BadValue;
+
+ if (!RRCrtcGammaGet(crtc))
+ return BadImplementation;
+
+ memcpy(red, crtc->gammaRed, size * sizeof(*red));
+ memcpy(green, crtc->gammaGreen, size * sizeof(*green));
+ memcpy(blue, crtc->gammaBlue, size * sizeof(*blue));
+
+ return Success;
+ }
+ }
+
+ if(CMapScreenKey == NULL)
+ return BadImplementation;
+
+ pScreenPriv = (CMapScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
+ CMapScreenKey);
+ if(!pScreenPriv)
+ return BadImplementation;
+
+ if(size > pScreenPriv->gammaElements)
+ return BadValue;
+
+ entry = pScreenPriv->gamma;
+ sigbits = pScreenPriv->sigRGBbits;
+
+ while(size--) {
+ *red = entry->red << (16 - sigbits);
+ *green = entry->green << (16 - sigbits);
+ *blue = entry->blue << (16 - sigbits);
+ shift = sigbits;
+ while(shift < 16) {
+ *red |= *red >> shift;
+ *green |= *green >> shift;
+ *blue |= *blue >> shift;
+ shift += sigbits;
+ }
+ red++; green++; blue++;
+ entry++;
+ }
+
+ return Success;
+}
+
+int
+xf86ChangeGamma(
+ ScreenPtr pScreen,
+ Gamma gamma
+){
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+
+ if(pScrn->ChangeGamma)
+ return (*pScrn->ChangeGamma)(pScreen->myNum, gamma);
+
+ return BadImplementation;
+}