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2180 lines
59 KiB
C
2180 lines
59 KiB
C
/*
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* Copyright (c) 1995 Jon Tombs
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* Copyright (c) 1995, 1996, 1999 XFree86 Inc
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* Copyright (c) 1998-2002 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*
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* Written by Mark Vojkovich
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*/
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/*
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* This is quite literally just two files glued together:
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* hw/xfree86/common/xf86DGA.c is the first part, and
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* hw/xfree86/dixmods/extmod/xf86dga2.c is the second part. One day, if
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* someone actually cares about DGA, it'd be nice to clean this up. But trust
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* me, I am not that person.
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*/
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include "xf86.h"
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#include "xf86str.h"
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#include "xf86Priv.h"
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#include "dgaproc.h"
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#include <X11/extensions/xf86dgaproto.h>
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#include "colormapst.h"
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#include "pixmapstr.h"
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#include "inputstr.h"
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#include "globals.h"
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#include "servermd.h"
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#include "micmap.h"
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#include "xkbsrv.h"
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#include "xf86Xinput.h"
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#include "exglobals.h"
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#include "exevents.h"
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#include "eventstr.h"
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#include "eventconvert.h"
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#include "xf86Extensions.h"
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#include "mi.h"
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#include "misc.h"
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#include "dixstruct.h"
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#include "dixevents.h"
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#include "extnsionst.h"
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#include "cursorstr.h"
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#include "scrnintstr.h"
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#include "swaprep.h"
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#include "dgaproc.h"
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#include "protocol-versions.h"
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#include <string.h>
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#define DGA_PROTOCOL_OLD_SUPPORT 1
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static DevPrivateKeyRec DGAScreenKeyRec;
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#define DGAScreenKeyRegistered dixPrivateKeyRegistered(&DGAScreenKeyRec)
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static Bool DGACloseScreen(ScreenPtr pScreen);
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static void DGADestroyColormap(ColormapPtr pmap);
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static void DGAInstallColormap(ColormapPtr pmap);
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static void DGAUninstallColormap(ColormapPtr pmap);
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static void DGAHandleEvent(int screen_num, InternalEvent *event,
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DeviceIntPtr device);
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static void
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DGACopyModeInfo(DGAModePtr mode, XDGAModePtr xmode);
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static unsigned char DGAReqCode = 0;
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static int DGAErrorBase;
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static int DGAEventBase;
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#define DGA_GET_SCREEN_PRIV(pScreen) ((DGAScreenPtr) \
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dixLookupPrivate(&(pScreen)->devPrivates, &DGAScreenKeyRec))
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typedef struct _FakedVisualList {
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Bool free;
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VisualPtr pVisual;
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struct _FakedVisualList *next;
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} FakedVisualList;
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typedef struct {
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ScrnInfoPtr pScrn;
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int numModes;
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DGAModePtr modes;
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CloseScreenProcPtr CloseScreen;
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DestroyColormapProcPtr DestroyColormap;
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InstallColormapProcPtr InstallColormap;
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UninstallColormapProcPtr UninstallColormap;
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DGADevicePtr current;
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DGAFunctionPtr funcs;
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int input;
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ClientPtr client;
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int pixmapMode;
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FakedVisualList *fakedVisuals;
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ColormapPtr dgaColormap;
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ColormapPtr savedColormap;
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Bool grabMouse;
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Bool grabKeyboard;
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} DGAScreenRec, *DGAScreenPtr;
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Bool
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DGAInit(ScreenPtr pScreen, DGAFunctionPtr funcs, DGAModePtr modes, int num)
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{
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ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
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DGAScreenPtr pScreenPriv;
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int i;
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if (!funcs || !funcs->SetMode || !funcs->OpenFramebuffer)
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return FALSE;
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if (!modes || num <= 0)
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return FALSE;
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if (!dixRegisterPrivateKey(&DGAScreenKeyRec, PRIVATE_SCREEN, 0))
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return FALSE;
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pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
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if (!pScreenPriv) {
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if (!(pScreenPriv = (DGAScreenPtr) malloc(sizeof(DGAScreenRec))))
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return FALSE;
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dixSetPrivate(&pScreen->devPrivates, &DGAScreenKeyRec, pScreenPriv);
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pScreenPriv->CloseScreen = pScreen->CloseScreen;
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pScreen->CloseScreen = DGACloseScreen;
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pScreenPriv->DestroyColormap = pScreen->DestroyColormap;
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pScreen->DestroyColormap = DGADestroyColormap;
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pScreenPriv->InstallColormap = pScreen->InstallColormap;
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pScreen->InstallColormap = DGAInstallColormap;
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pScreenPriv->UninstallColormap = pScreen->UninstallColormap;
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pScreen->UninstallColormap = DGAUninstallColormap;
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}
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pScreenPriv->pScrn = pScrn;
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pScreenPriv->numModes = num;
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pScreenPriv->modes = modes;
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pScreenPriv->current = NULL;
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pScreenPriv->funcs = funcs;
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pScreenPriv->input = 0;
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pScreenPriv->client = NULL;
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pScreenPriv->fakedVisuals = NULL;
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pScreenPriv->dgaColormap = NULL;
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pScreenPriv->savedColormap = NULL;
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pScreenPriv->grabMouse = FALSE;
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pScreenPriv->grabKeyboard = FALSE;
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for (i = 0; i < num; i++)
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modes[i].num = i + 1;
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#ifdef PANORAMIX
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if (!noPanoramiXExtension)
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for (i = 0; i < num; i++)
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modes[i].flags &= ~DGA_PIXMAP_AVAILABLE;
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#endif
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return TRUE;
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}
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/* DGAReInitModes allows the driver to re-initialize
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* the DGA mode list.
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*/
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Bool
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DGAReInitModes(ScreenPtr pScreen, DGAModePtr modes, int num)
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{
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DGAScreenPtr pScreenPriv;
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int i;
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/* No DGA? Ignore call (but don't make it look like it failed) */
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if (!DGAScreenKeyRegistered)
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return TRUE;
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pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
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/* Same as above */
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if (!pScreenPriv)
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return TRUE;
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/* Can't do this while DGA is active */
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if (pScreenPriv->current)
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return FALSE;
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/* Quick sanity check */
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if (!num)
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modes = NULL;
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else if (!modes)
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num = 0;
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pScreenPriv->numModes = num;
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pScreenPriv->modes = modes;
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/* This practically disables DGA. So be it. */
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if (!num)
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return TRUE;
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for (i = 0; i < num; i++)
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modes[i].num = i + 1;
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#ifdef PANORAMIX
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if (!noPanoramiXExtension)
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for (i = 0; i < num; i++)
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modes[i].flags &= ~DGA_PIXMAP_AVAILABLE;
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#endif
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return TRUE;
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}
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static void
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FreeMarkedVisuals(ScreenPtr pScreen)
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{
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DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
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FakedVisualList *prev, *curr, *tmp;
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if (!pScreenPriv->fakedVisuals)
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return;
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prev = NULL;
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curr = pScreenPriv->fakedVisuals;
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while (curr) {
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if (curr->free) {
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tmp = curr;
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curr = curr->next;
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if (prev)
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prev->next = curr;
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else
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pScreenPriv->fakedVisuals = curr;
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free(tmp->pVisual);
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free(tmp);
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}
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else {
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prev = curr;
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curr = curr->next;
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}
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}
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}
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static Bool
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DGACloseScreen(ScreenPtr pScreen)
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{
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DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
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mieqSetHandler(ET_DGAEvent, NULL);
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pScreenPriv->pScrn->SetDGAMode(pScreenPriv->pScrn, 0, NULL);
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FreeMarkedVisuals(pScreen);
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pScreen->CloseScreen = pScreenPriv->CloseScreen;
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pScreen->DestroyColormap = pScreenPriv->DestroyColormap;
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pScreen->InstallColormap = pScreenPriv->InstallColormap;
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pScreen->UninstallColormap = pScreenPriv->UninstallColormap;
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free(pScreenPriv);
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return ((*pScreen->CloseScreen) (pScreen));
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}
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static void
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DGADestroyColormap(ColormapPtr pmap)
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{
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ScreenPtr pScreen = pmap->pScreen;
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DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
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VisualPtr pVisual = pmap->pVisual;
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if (pScreenPriv->fakedVisuals) {
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FakedVisualList *curr = pScreenPriv->fakedVisuals;
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while (curr) {
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if (curr->pVisual == pVisual) {
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/* We can't get rid of them yet since FreeColormap
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still needs the pVisual during the cleanup */
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curr->free = TRUE;
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break;
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}
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curr = curr->next;
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}
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}
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if (pScreenPriv->DestroyColormap) {
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pScreen->DestroyColormap = pScreenPriv->DestroyColormap;
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(*pScreen->DestroyColormap) (pmap);
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pScreen->DestroyColormap = DGADestroyColormap;
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}
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}
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static void
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DGAInstallColormap(ColormapPtr pmap)
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{
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ScreenPtr pScreen = pmap->pScreen;
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DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
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if (pScreenPriv->current && pScreenPriv->dgaColormap) {
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if (pmap != pScreenPriv->dgaColormap) {
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pScreenPriv->savedColormap = pmap;
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pmap = pScreenPriv->dgaColormap;
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}
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}
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pScreen->InstallColormap = pScreenPriv->InstallColormap;
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(*pScreen->InstallColormap) (pmap);
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pScreen->InstallColormap = DGAInstallColormap;
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}
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static void
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DGAUninstallColormap(ColormapPtr pmap)
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{
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ScreenPtr pScreen = pmap->pScreen;
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DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
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if (pScreenPriv->current && pScreenPriv->dgaColormap) {
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if (pmap == pScreenPriv->dgaColormap) {
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pScreenPriv->dgaColormap = NULL;
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}
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}
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pScreen->UninstallColormap = pScreenPriv->UninstallColormap;
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(*pScreen->UninstallColormap) (pmap);
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pScreen->UninstallColormap = DGAUninstallColormap;
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}
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int
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xf86SetDGAMode(ScrnInfoPtr pScrn, int num, DGADevicePtr devRet)
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{
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ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
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DGAScreenPtr pScreenPriv;
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DGADevicePtr device;
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PixmapPtr pPix = NULL;
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DGAModePtr pMode = NULL;
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/* First check if DGAInit was successful on this screen */
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if (!DGAScreenKeyRegistered)
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return BadValue;
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pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
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if (!pScreenPriv)
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return BadValue;
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if (!num) {
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if (pScreenPriv->current) {
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PixmapPtr oldPix = pScreenPriv->current->pPix;
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if (oldPix) {
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if (oldPix->drawable.id)
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FreeResource(oldPix->drawable.id, RT_NONE);
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else
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(*pScreen->DestroyPixmap) (oldPix);
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}
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free(pScreenPriv->current);
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pScreenPriv->current = NULL;
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pScrn->vtSema = TRUE;
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(*pScreenPriv->funcs->SetMode) (pScrn, NULL);
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if (pScreenPriv->savedColormap) {
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(*pScreen->InstallColormap) (pScreenPriv->savedColormap);
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pScreenPriv->savedColormap = NULL;
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}
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pScreenPriv->dgaColormap = NULL;
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(*pScrn->EnableDisableFBAccess) (pScrn, TRUE);
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FreeMarkedVisuals(pScreen);
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}
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pScreenPriv->grabMouse = FALSE;
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pScreenPriv->grabKeyboard = FALSE;
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return Success;
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}
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if (!pScrn->vtSema && !pScreenPriv->current) /* Really switched away */
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return BadAlloc;
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if ((num > 0) && (num <= pScreenPriv->numModes))
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pMode = &(pScreenPriv->modes[num - 1]);
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else
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return BadValue;
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if (!(device = (DGADevicePtr) malloc(sizeof(DGADeviceRec))))
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return BadAlloc;
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if (!pScreenPriv->current) {
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Bool oldVTSema = pScrn->vtSema;
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pScrn->vtSema = FALSE; /* kludge until we rewrite VT switching */
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(*pScrn->EnableDisableFBAccess) (pScrn, FALSE);
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pScrn->vtSema = oldVTSema;
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}
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if (!(*pScreenPriv->funcs->SetMode) (pScrn, pMode)) {
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free(device);
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return BadAlloc;
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}
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pScrn->currentMode = pMode->mode;
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if (!pScreenPriv->current && !pScreenPriv->input) {
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/* if it's multihead we need to warp the cursor off of
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our screen so it doesn't get trapped */
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}
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pScrn->vtSema = FALSE;
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if (pScreenPriv->current) {
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PixmapPtr oldPix = pScreenPriv->current->pPix;
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if (oldPix) {
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if (oldPix->drawable.id)
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FreeResource(oldPix->drawable.id, RT_NONE);
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else
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(*pScreen->DestroyPixmap) (oldPix);
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}
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free(pScreenPriv->current);
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pScreenPriv->current = NULL;
|
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}
|
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if (pMode->flags & DGA_PIXMAP_AVAILABLE) {
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if ((pPix = (*pScreen->CreatePixmap) (pScreen, 0, 0, pMode->depth, 0))) {
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(*pScreen->ModifyPixmapHeader) (pPix,
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pMode->pixmapWidth,
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pMode->pixmapHeight, pMode->depth,
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pMode->bitsPerPixel,
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pMode->bytesPerScanline,
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(void *) (pMode->address));
|
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}
|
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}
|
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|
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devRet->mode = device->mode = pMode;
|
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devRet->pPix = device->pPix = pPix;
|
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pScreenPriv->current = device;
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pScreenPriv->pixmapMode = FALSE;
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pScreenPriv->grabMouse = TRUE;
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pScreenPriv->grabKeyboard = TRUE;
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mieqSetHandler(ET_DGAEvent, DGAHandleEvent);
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return Success;
|
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}
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|
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/*********** exported ones ***************/
|
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|
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static void
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DGASetInputMode(int index, Bool keyboard, Bool mouse)
|
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{
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ScreenPtr pScreen = screenInfo.screens[index];
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DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
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if (pScreenPriv) {
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pScreenPriv->grabMouse = mouse;
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pScreenPriv->grabKeyboard = keyboard;
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|
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mieqSetHandler(ET_DGAEvent, DGAHandleEvent);
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}
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|
}
|
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|
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static Bool
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DGAChangePixmapMode(int index, int *x, int *y, int mode)
|
|
{
|
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DGAScreenPtr pScreenPriv;
|
|
DGADevicePtr pDev;
|
|
DGAModePtr pMode;
|
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PixmapPtr pPix;
|
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|
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if (!DGAScreenKeyRegistered)
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return FALSE;
|
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pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
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if (!pScreenPriv || !pScreenPriv->current || !pScreenPriv->current->pPix)
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return FALSE;
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pDev = pScreenPriv->current;
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pPix = pDev->pPix;
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pMode = pDev->mode;
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if (mode) {
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int shift = 2;
|
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|
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if (*x > (pMode->pixmapWidth - pMode->viewportWidth))
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*x = pMode->pixmapWidth - pMode->viewportWidth;
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if (*y > (pMode->pixmapHeight - pMode->viewportHeight))
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*y = pMode->pixmapHeight - pMode->viewportHeight;
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|
|
|
switch (xf86Screens[index]->bitsPerPixel) {
|
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case 16:
|
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shift = 1;
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break;
|
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case 32:
|
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shift = 0;
|
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break;
|
|
default:
|
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break;
|
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}
|
|
|
|
if (BITMAP_SCANLINE_PAD == 64)
|
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shift++;
|
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|
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*x = (*x >> shift) << shift;
|
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|
|
pPix->drawable.x = *x;
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pPix->drawable.y = *y;
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pPix->drawable.width = pMode->viewportWidth;
|
|
pPix->drawable.height = pMode->viewportHeight;
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|
}
|
|
else {
|
|
pPix->drawable.x = 0;
|
|
pPix->drawable.y = 0;
|
|
pPix->drawable.width = pMode->pixmapWidth;
|
|
pPix->drawable.height = pMode->pixmapHeight;
|
|
}
|
|
pPix->drawable.serialNumber = NEXT_SERIAL_NUMBER;
|
|
pScreenPriv->pixmapMode = mode;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
DGAScreenAvailable(ScreenPtr pScreen)
|
|
{
|
|
if (!DGAScreenKeyRegistered)
|
|
return FALSE;
|
|
|
|
if (DGA_GET_SCREEN_PRIV(pScreen))
|
|
return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
static Bool
|
|
DGAAvailable(int index)
|
|
{
|
|
ScreenPtr pScreen;
|
|
|
|
assert(index < MAXSCREENS);
|
|
pScreen = screenInfo.screens[index];
|
|
return DGAScreenAvailable(pScreen);
|
|
}
|
|
|
|
Bool
|
|
DGAActive(int index)
|
|
{
|
|
DGAScreenPtr pScreenPriv;
|
|
|
|
if (!DGAScreenKeyRegistered)
|
|
return FALSE;
|
|
|
|
pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
if (pScreenPriv && pScreenPriv->current)
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/* Called by the extension to initialize a mode */
|
|
|
|
static int
|
|
DGASetMode(int index, int num, XDGAModePtr mode, PixmapPtr *pPix)
|
|
{
|
|
ScrnInfoPtr pScrn = xf86Screens[index];
|
|
DGADeviceRec device;
|
|
int ret;
|
|
|
|
/* We rely on the extension to check that DGA is available */
|
|
|
|
ret = (*pScrn->SetDGAMode) (pScrn, num, &device);
|
|
if ((ret == Success) && num) {
|
|
DGACopyModeInfo(device.mode, mode);
|
|
*pPix = device.pPix;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* Called from the extension to let the DDX know which events are requested */
|
|
|
|
static void
|
|
DGASelectInput(int index, ClientPtr client, long mask)
|
|
{
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
/* We rely on the extension to check that DGA is available */
|
|
pScreenPriv->client = client;
|
|
pScreenPriv->input = mask;
|
|
}
|
|
|
|
static int
|
|
DGAGetViewportStatus(int index)
|
|
{
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
/* We rely on the extension to check that DGA is active */
|
|
|
|
if (!pScreenPriv->funcs->GetViewport)
|
|
return 0;
|
|
|
|
return (*pScreenPriv->funcs->GetViewport) (pScreenPriv->pScrn);
|
|
}
|
|
|
|
static int
|
|
DGASetViewport(int index, int x, int y, int mode)
|
|
{
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
if (pScreenPriv->funcs->SetViewport)
|
|
(*pScreenPriv->funcs->SetViewport) (pScreenPriv->pScrn, x, y, mode);
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
BitsClear(CARD32 data)
|
|
{
|
|
int bits = 0;
|
|
CARD32 mask;
|
|
|
|
for (mask = 1; mask; mask <<= 1) {
|
|
if (!(data & mask))
|
|
bits++;
|
|
else
|
|
break;
|
|
}
|
|
|
|
return bits;
|
|
}
|
|
|
|
static int
|
|
DGACreateColormap(int index, ClientPtr client, int id, int mode, int alloc)
|
|
{
|
|
ScreenPtr pScreen = screenInfo.screens[index];
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
|
|
FakedVisualList *fvlp;
|
|
VisualPtr pVisual;
|
|
DGAModePtr pMode;
|
|
ColormapPtr pmap;
|
|
|
|
if (!mode || (mode > pScreenPriv->numModes))
|
|
return BadValue;
|
|
|
|
if ((alloc != AllocNone) && (alloc != AllocAll))
|
|
return BadValue;
|
|
|
|
pMode = &(pScreenPriv->modes[mode - 1]);
|
|
|
|
if (!(pVisual = malloc(sizeof(VisualRec))))
|
|
return BadAlloc;
|
|
|
|
pVisual->vid = FakeClientID(0);
|
|
pVisual->class = pMode->visualClass;
|
|
pVisual->nplanes = pMode->depth;
|
|
pVisual->ColormapEntries = 1 << pMode->depth;
|
|
pVisual->bitsPerRGBValue = (pMode->depth + 2) / 3;
|
|
|
|
switch (pVisual->class) {
|
|
case PseudoColor:
|
|
case GrayScale:
|
|
case StaticGray:
|
|
pVisual->bitsPerRGBValue = 8; /* not quite */
|
|
pVisual->redMask = 0;
|
|
pVisual->greenMask = 0;
|
|
pVisual->blueMask = 0;
|
|
pVisual->offsetRed = 0;
|
|
pVisual->offsetGreen = 0;
|
|
pVisual->offsetBlue = 0;
|
|
break;
|
|
case DirectColor:
|
|
case TrueColor:
|
|
pVisual->ColormapEntries = 1 << pVisual->bitsPerRGBValue;
|
|
/* fall through */
|
|
case StaticColor:
|
|
pVisual->redMask = pMode->red_mask;
|
|
pVisual->greenMask = pMode->green_mask;
|
|
pVisual->blueMask = pMode->blue_mask;
|
|
pVisual->offsetRed = BitsClear(pVisual->redMask);
|
|
pVisual->offsetGreen = BitsClear(pVisual->greenMask);
|
|
pVisual->offsetBlue = BitsClear(pVisual->blueMask);
|
|
}
|
|
|
|
if (!(fvlp = malloc(sizeof(FakedVisualList)))) {
|
|
free(pVisual);
|
|
return BadAlloc;
|
|
}
|
|
|
|
fvlp->free = FALSE;
|
|
fvlp->pVisual = pVisual;
|
|
fvlp->next = pScreenPriv->fakedVisuals;
|
|
pScreenPriv->fakedVisuals = fvlp;
|
|
|
|
LEGAL_NEW_RESOURCE(id, client);
|
|
|
|
return CreateColormap(id, pScreen, pVisual, &pmap, alloc, client->index);
|
|
}
|
|
|
|
/* Called by the extension to install a colormap on DGA active screens */
|
|
|
|
static void
|
|
DGAInstallCmap(ColormapPtr cmap)
|
|
{
|
|
ScreenPtr pScreen = cmap->pScreen;
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
|
|
|
|
/* We rely on the extension to check that DGA is active */
|
|
|
|
if (!pScreenPriv->dgaColormap)
|
|
pScreenPriv->savedColormap = GetInstalledmiColormap(pScreen);
|
|
|
|
pScreenPriv->dgaColormap = cmap;
|
|
|
|
(*pScreen->InstallColormap) (cmap);
|
|
}
|
|
|
|
static int
|
|
DGASync(int index)
|
|
{
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
/* We rely on the extension to check that DGA is active */
|
|
|
|
if (pScreenPriv->funcs->Sync)
|
|
(*pScreenPriv->funcs->Sync) (pScreenPriv->pScrn);
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
DGAFillRect(int index, int x, int y, int w, int h, unsigned long color)
|
|
{
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
/* We rely on the extension to check that DGA is active */
|
|
|
|
if (pScreenPriv->funcs->FillRect &&
|
|
(pScreenPriv->current->mode->flags & DGA_FILL_RECT)) {
|
|
|
|
(*pScreenPriv->funcs->FillRect) (pScreenPriv->pScrn, x, y, w, h, color);
|
|
return Success;
|
|
}
|
|
return BadMatch;
|
|
}
|
|
|
|
static int
|
|
DGABlitRect(int index, int srcx, int srcy, int w, int h, int dstx, int dsty)
|
|
{
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
/* We rely on the extension to check that DGA is active */
|
|
|
|
if (pScreenPriv->funcs->BlitRect &&
|
|
(pScreenPriv->current->mode->flags & DGA_BLIT_RECT)) {
|
|
|
|
(*pScreenPriv->funcs->BlitRect) (pScreenPriv->pScrn,
|
|
srcx, srcy, w, h, dstx, dsty);
|
|
return Success;
|
|
}
|
|
return BadMatch;
|
|
}
|
|
|
|
static int
|
|
DGABlitTransRect(int index,
|
|
int srcx, int srcy,
|
|
int w, int h, int dstx, int dsty, unsigned long color)
|
|
{
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
/* We rely on the extension to check that DGA is active */
|
|
|
|
if (pScreenPriv->funcs->BlitTransRect &&
|
|
(pScreenPriv->current->mode->flags & DGA_BLIT_RECT_TRANS)) {
|
|
|
|
(*pScreenPriv->funcs->BlitTransRect) (pScreenPriv->pScrn,
|
|
srcx, srcy, w, h, dstx, dsty,
|
|
color);
|
|
return Success;
|
|
}
|
|
return BadMatch;
|
|
}
|
|
|
|
static int
|
|
DGAGetModes(int index)
|
|
{
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
/* We rely on the extension to check that DGA is available */
|
|
|
|
return pScreenPriv->numModes;
|
|
}
|
|
|
|
static int
|
|
DGAGetModeInfo(int index, XDGAModePtr mode, int num)
|
|
{
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
/* We rely on the extension to check that DGA is available */
|
|
|
|
if ((num <= 0) || (num > pScreenPriv->numModes))
|
|
return BadValue;
|
|
|
|
DGACopyModeInfo(&(pScreenPriv->modes[num - 1]), mode);
|
|
|
|
return Success;
|
|
}
|
|
|
|
static void
|
|
DGACopyModeInfo(DGAModePtr mode, XDGAModePtr xmode)
|
|
{
|
|
DisplayModePtr dmode = mode->mode;
|
|
|
|
xmode->num = mode->num;
|
|
xmode->name = dmode->name;
|
|
xmode->VSync_num = (int) (dmode->VRefresh * 1000.0);
|
|
xmode->VSync_den = 1000;
|
|
xmode->flags = mode->flags;
|
|
xmode->imageWidth = mode->imageWidth;
|
|
xmode->imageHeight = mode->imageHeight;
|
|
xmode->pixmapWidth = mode->pixmapWidth;
|
|
xmode->pixmapHeight = mode->pixmapHeight;
|
|
xmode->bytesPerScanline = mode->bytesPerScanline;
|
|
xmode->byteOrder = mode->byteOrder;
|
|
xmode->depth = mode->depth;
|
|
xmode->bitsPerPixel = mode->bitsPerPixel;
|
|
xmode->red_mask = mode->red_mask;
|
|
xmode->green_mask = mode->green_mask;
|
|
xmode->blue_mask = mode->blue_mask;
|
|
xmode->visualClass = mode->visualClass;
|
|
xmode->viewportWidth = mode->viewportWidth;
|
|
xmode->viewportHeight = mode->viewportHeight;
|
|
xmode->xViewportStep = mode->xViewportStep;
|
|
xmode->yViewportStep = mode->yViewportStep;
|
|
xmode->maxViewportX = mode->maxViewportX;
|
|
xmode->maxViewportY = mode->maxViewportY;
|
|
xmode->viewportFlags = mode->viewportFlags;
|
|
xmode->reserved1 = mode->reserved1;
|
|
xmode->reserved2 = mode->reserved2;
|
|
xmode->offset = mode->offset;
|
|
|
|
if (dmode->Flags & V_INTERLACE)
|
|
xmode->flags |= DGA_INTERLACED;
|
|
if (dmode->Flags & V_DBLSCAN)
|
|
xmode->flags |= DGA_DOUBLESCAN;
|
|
}
|
|
|
|
Bool
|
|
DGAVTSwitch(void)
|
|
{
|
|
ScreenPtr pScreen;
|
|
int i;
|
|
|
|
for (i = 0; i < screenInfo.numScreens; i++) {
|
|
pScreen = screenInfo.screens[i];
|
|
|
|
/* Alternatively, this could send events to DGA clients */
|
|
|
|
if (DGAScreenKeyRegistered) {
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
|
|
|
|
if (pScreenPriv && pScreenPriv->current)
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
DGAStealKeyEvent(DeviceIntPtr dev, int index, int key_code, int is_down)
|
|
{
|
|
DGAScreenPtr pScreenPriv;
|
|
DGAEvent event;
|
|
|
|
if (!DGAScreenKeyRegistered) /* no DGA */
|
|
return FALSE;
|
|
|
|
if (key_code < 8 || key_code > 255)
|
|
return FALSE;
|
|
|
|
pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
if (!pScreenPriv || !pScreenPriv->grabKeyboard) /* no direct mode */
|
|
return FALSE;
|
|
|
|
event = (DGAEvent) {
|
|
.header = ET_Internal,
|
|
.type = ET_DGAEvent,
|
|
.length = sizeof(event),
|
|
.time = GetTimeInMillis(),
|
|
.subtype = (is_down ? ET_KeyPress : ET_KeyRelease),
|
|
.detail = key_code,
|
|
.dx = 0,
|
|
.dy = 0
|
|
};
|
|
mieqEnqueue(dev, (InternalEvent *) &event);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
DGAStealMotionEvent(DeviceIntPtr dev, int index, int dx, int dy)
|
|
{
|
|
DGAScreenPtr pScreenPriv;
|
|
DGAEvent event;
|
|
|
|
if (!DGAScreenKeyRegistered) /* no DGA */
|
|
return FALSE;
|
|
|
|
pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
if (!pScreenPriv || !pScreenPriv->grabMouse) /* no direct mode */
|
|
return FALSE;
|
|
|
|
event = (DGAEvent) {
|
|
.header = ET_Internal,
|
|
.type = ET_DGAEvent,
|
|
.length = sizeof(event),
|
|
.time = GetTimeInMillis(),
|
|
.subtype = ET_Motion,
|
|
.detail = 0,
|
|
.dx = dx,
|
|
.dy = dy
|
|
};
|
|
mieqEnqueue(dev, (InternalEvent *) &event);
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
DGAStealButtonEvent(DeviceIntPtr dev, int index, int button, int is_down)
|
|
{
|
|
DGAScreenPtr pScreenPriv;
|
|
DGAEvent event;
|
|
|
|
if (!DGAScreenKeyRegistered) /* no DGA */
|
|
return FALSE;
|
|
|
|
pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
if (!pScreenPriv || !pScreenPriv->grabMouse)
|
|
return FALSE;
|
|
|
|
event = (DGAEvent) {
|
|
.header = ET_Internal,
|
|
.type = ET_DGAEvent,
|
|
.length = sizeof(event),
|
|
.time = GetTimeInMillis(),
|
|
.subtype = (is_down ? ET_ButtonPress : ET_ButtonRelease),
|
|
.detail = button,
|
|
.dx = 0,
|
|
.dy = 0
|
|
};
|
|
mieqEnqueue(dev, (InternalEvent *) &event);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* We have the power to steal or modify events that are about to get queued */
|
|
|
|
#define NoSuchEvent 0x80000000 /* so doesn't match NoEventMask */
|
|
static Mask filters[] = {
|
|
NoSuchEvent, /* 0 */
|
|
NoSuchEvent, /* 1 */
|
|
KeyPressMask, /* KeyPress */
|
|
KeyReleaseMask, /* KeyRelease */
|
|
ButtonPressMask, /* ButtonPress */
|
|
ButtonReleaseMask, /* ButtonRelease */
|
|
PointerMotionMask, /* MotionNotify (initial state) */
|
|
};
|
|
|
|
static void
|
|
DGAProcessKeyboardEvent(ScreenPtr pScreen, DGAEvent * event, DeviceIntPtr keybd)
|
|
{
|
|
KeyClassPtr keyc = keybd->key;
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
|
|
DeviceIntPtr pointer = GetMaster(keybd, POINTER_OR_FLOAT);
|
|
DeviceEvent ev = {
|
|
.header = ET_Internal,
|
|
.length = sizeof(ev),
|
|
.detail.key = event->detail,
|
|
.type = event->subtype,
|
|
.root_x = 0,
|
|
.root_y = 0,
|
|
.corestate = XkbStateFieldFromRec(&keyc->xkbInfo->state)
|
|
};
|
|
ev.corestate |= pointer->button->state;
|
|
|
|
UpdateDeviceState(keybd, &ev);
|
|
|
|
if (!IsMaster(keybd))
|
|
return;
|
|
|
|
/*
|
|
* Deliver the DGA event
|
|
*/
|
|
if (pScreenPriv->client) {
|
|
dgaEvent de = {
|
|
.u.event.time = event->time,
|
|
.u.event.dx = event->dx,
|
|
.u.event.dy = event->dy,
|
|
.u.event.screen = pScreen->myNum,
|
|
.u.event.state = ev.corestate
|
|
};
|
|
de.u.u.type = DGAEventBase + GetCoreType(ev.type);
|
|
de.u.u.detail = event->detail;
|
|
|
|
/* If the DGA client has selected input, then deliver based on the usual filter */
|
|
TryClientEvents(pScreenPriv->client, keybd, (xEvent *) &de, 1,
|
|
filters[ev.type], pScreenPriv->input, 0);
|
|
}
|
|
else {
|
|
/* If the keyboard is actively grabbed, deliver a grabbed core event */
|
|
if (keybd->deviceGrab.grab && !keybd->deviceGrab.fromPassiveGrab) {
|
|
ev.detail.key = event->detail;
|
|
ev.time = event->time;
|
|
ev.root_x = event->dx;
|
|
ev.root_y = event->dy;
|
|
ev.corestate = event->state;
|
|
ev.deviceid = keybd->id;
|
|
DeliverGrabbedEvent((InternalEvent *) &ev, keybd, FALSE);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
DGAProcessPointerEvent(ScreenPtr pScreen, DGAEvent * event, DeviceIntPtr mouse)
|
|
{
|
|
ButtonClassPtr butc = mouse->button;
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
|
|
DeviceIntPtr master = GetMaster(mouse, MASTER_KEYBOARD);
|
|
DeviceEvent ev = {
|
|
.header = ET_Internal,
|
|
.length = sizeof(ev),
|
|
.detail.key = event->detail,
|
|
.type = event->subtype,
|
|
.corestate = butc ? butc->state : 0
|
|
};
|
|
|
|
if (master && master->key)
|
|
ev.corestate |= XkbStateFieldFromRec(&master->key->xkbInfo->state);
|
|
|
|
UpdateDeviceState(mouse, &ev);
|
|
|
|
if (!IsMaster(mouse))
|
|
return;
|
|
|
|
/*
|
|
* Deliver the DGA event
|
|
*/
|
|
if (pScreenPriv->client) {
|
|
int coreEquiv = GetCoreType(ev.type);
|
|
dgaEvent de = {
|
|
.u.event.time = event->time,
|
|
.u.event.dx = event->dx,
|
|
.u.event.dy = event->dy,
|
|
.u.event.screen = pScreen->myNum,
|
|
.u.event.state = ev.corestate
|
|
};
|
|
de.u.u.type = DGAEventBase + coreEquiv;
|
|
de.u.u.detail = event->detail;
|
|
|
|
/* If the DGA client has selected input, then deliver based on the usual filter */
|
|
TryClientEvents(pScreenPriv->client, mouse, (xEvent *) &de, 1,
|
|
filters[coreEquiv], pScreenPriv->input, 0);
|
|
}
|
|
else {
|
|
/* If the pointer is actively grabbed, deliver a grabbed core event */
|
|
if (mouse->deviceGrab.grab && !mouse->deviceGrab.fromPassiveGrab) {
|
|
ev.detail.button = event->detail;
|
|
ev.time = event->time;
|
|
ev.root_x = event->dx;
|
|
ev.root_y = event->dy;
|
|
ev.corestate = event->state;
|
|
/* DGA is core only, so valuators.data doesn't actually matter.
|
|
* Mask must be set for EventToCore to create motion events. */
|
|
SetBit(ev.valuators.mask, 0);
|
|
SetBit(ev.valuators.mask, 1);
|
|
DeliverGrabbedEvent((InternalEvent *) &ev, mouse, FALSE);
|
|
}
|
|
}
|
|
}
|
|
|
|
static Bool
|
|
DGAOpenFramebuffer(int index,
|
|
char **name,
|
|
unsigned char **mem, int *size, int *offset, int *flags)
|
|
{
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
/* We rely on the extension to check that DGA is available */
|
|
|
|
return (*pScreenPriv->funcs->OpenFramebuffer) (pScreenPriv->pScrn,
|
|
name, mem, size, offset,
|
|
flags);
|
|
}
|
|
|
|
static void
|
|
DGACloseFramebuffer(int index)
|
|
{
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
|
|
/* We rely on the extension to check that DGA is available */
|
|
if (pScreenPriv->funcs->CloseFramebuffer)
|
|
(*pScreenPriv->funcs->CloseFramebuffer) (pScreenPriv->pScrn);
|
|
}
|
|
|
|
/* For DGA 1.0 backwards compatibility only */
|
|
|
|
static int
|
|
DGAGetOldDGAMode(int index)
|
|
{
|
|
DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]);
|
|
ScrnInfoPtr pScrn = pScreenPriv->pScrn;
|
|
DGAModePtr mode;
|
|
int i, w, h, p;
|
|
|
|
/* We rely on the extension to check that DGA is available */
|
|
|
|
w = pScrn->currentMode->HDisplay;
|
|
h = pScrn->currentMode->VDisplay;
|
|
p = pad_to_int32(pScrn->displayWidth * bits_to_bytes(pScrn->bitsPerPixel));
|
|
|
|
for (i = 0; i < pScreenPriv->numModes; i++) {
|
|
mode = &(pScreenPriv->modes[i]);
|
|
|
|
if ((mode->viewportWidth == w) && (mode->viewportHeight == h) &&
|
|
(mode->bytesPerScanline == p) &&
|
|
(mode->bitsPerPixel == pScrn->bitsPerPixel) &&
|
|
(mode->depth == pScrn->depth)) {
|
|
|
|
return mode->num;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
DGAHandleEvent(int screen_num, InternalEvent *ev, DeviceIntPtr device)
|
|
{
|
|
DGAEvent *event = &ev->dga_event;
|
|
ScreenPtr pScreen = screenInfo.screens[screen_num];
|
|
DGAScreenPtr pScreenPriv;
|
|
|
|
/* no DGA */
|
|
if (!DGAScreenKeyRegistered || noXFree86DGAExtension)
|
|
return;
|
|
pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
|
|
|
|
/* DGA not initialized on this screen */
|
|
if (!pScreenPriv)
|
|
return;
|
|
|
|
switch (event->subtype) {
|
|
case KeyPress:
|
|
case KeyRelease:
|
|
DGAProcessKeyboardEvent(pScreen, event, device);
|
|
break;
|
|
case MotionNotify:
|
|
case ButtonPress:
|
|
case ButtonRelease:
|
|
DGAProcessPointerEvent(pScreen, event, device);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void XDGAResetProc(ExtensionEntry * extEntry);
|
|
|
|
static void DGAClientStateChange(CallbackListPtr *, void *, void *);
|
|
|
|
static DevPrivateKeyRec DGAScreenPrivateKeyRec;
|
|
|
|
#define DGAScreenPrivateKey (&DGAScreenPrivateKeyRec)
|
|
#define DGAScreenPrivateKeyRegistered (DGAScreenPrivateKeyRec.initialized)
|
|
static DevPrivateKeyRec DGAClientPrivateKeyRec;
|
|
|
|
#define DGAClientPrivateKey (&DGAClientPrivateKeyRec)
|
|
static int DGACallbackRefCount = 0;
|
|
|
|
/* This holds the client's version information */
|
|
typedef struct {
|
|
int major;
|
|
int minor;
|
|
} DGAPrivRec, *DGAPrivPtr;
|
|
|
|
#define DGA_GETCLIENT(idx) ((ClientPtr) \
|
|
dixLookupPrivate(&screenInfo.screens[idx]->devPrivates, DGAScreenPrivateKey))
|
|
#define DGA_SETCLIENT(idx,p) \
|
|
dixSetPrivate(&screenInfo.screens[idx]->devPrivates, DGAScreenPrivateKey, p)
|
|
|
|
#define DGA_GETPRIV(c) ((DGAPrivPtr) \
|
|
dixLookupPrivate(&(c)->devPrivates, DGAClientPrivateKey))
|
|
#define DGA_SETPRIV(c,p) \
|
|
dixSetPrivate(&(c)->devPrivates, DGAClientPrivateKey, p)
|
|
|
|
static void
|
|
XDGAResetProc(ExtensionEntry * extEntry)
|
|
{
|
|
DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL);
|
|
DGACallbackRefCount = 0;
|
|
}
|
|
|
|
static int
|
|
ProcXDGAQueryVersion(ClientPtr client)
|
|
{
|
|
xXDGAQueryVersionReply rep;
|
|
|
|
REQUEST_SIZE_MATCH(xXDGAQueryVersionReq);
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
rep.majorVersion = SERVER_XDGA_MAJOR_VERSION;
|
|
rep.minorVersion = SERVER_XDGA_MINOR_VERSION;
|
|
|
|
WriteToClient(client, sizeof(xXDGAQueryVersionReply), (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGAOpenFramebuffer(ClientPtr client)
|
|
{
|
|
REQUEST(xXDGAOpenFramebufferReq);
|
|
xXDGAOpenFramebufferReply rep;
|
|
char *deviceName;
|
|
int nameSize;
|
|
|
|
REQUEST_SIZE_MATCH(xXDGAOpenFramebufferReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (!DGAAvailable(stuff->screen))
|
|
return DGAErrorBase + XF86DGANoDirectVideoMode;
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
|
|
if (!DGAOpenFramebuffer(stuff->screen, &deviceName,
|
|
(unsigned char **) (&rep.mem1),
|
|
(int *) &rep.size, (int *) &rep.offset,
|
|
(int *) &rep.extra)) {
|
|
return BadAlloc;
|
|
}
|
|
|
|
nameSize = deviceName ? (strlen(deviceName) + 1) : 0;
|
|
rep.length = bytes_to_int32(nameSize);
|
|
|
|
WriteToClient(client, sizeof(xXDGAOpenFramebufferReply), (char *) &rep);
|
|
if (rep.length)
|
|
WriteToClient(client, nameSize, deviceName);
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGACloseFramebuffer(ClientPtr client)
|
|
{
|
|
REQUEST(xXDGACloseFramebufferReq);
|
|
|
|
REQUEST_SIZE_MATCH(xXDGACloseFramebufferReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (!DGAAvailable(stuff->screen))
|
|
return DGAErrorBase + XF86DGANoDirectVideoMode;
|
|
|
|
DGACloseFramebuffer(stuff->screen);
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGAQueryModes(ClientPtr client)
|
|
{
|
|
int i, num, size;
|
|
|
|
REQUEST(xXDGAQueryModesReq);
|
|
xXDGAQueryModesReply rep;
|
|
xXDGAModeInfo info;
|
|
XDGAModePtr mode;
|
|
|
|
REQUEST_SIZE_MATCH(xXDGAQueryModesReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.number = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
|
|
if (!DGAAvailable(stuff->screen)) {
|
|
rep.number = 0;
|
|
rep.length = 0;
|
|
WriteToClient(client, sz_xXDGAQueryModesReply, (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
if (!(num = DGAGetModes(stuff->screen))) {
|
|
WriteToClient(client, sz_xXDGAQueryModesReply, (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
if (!(mode = xallocarray(num, sizeof(XDGAModeRec))))
|
|
return BadAlloc;
|
|
|
|
for (i = 0; i < num; i++)
|
|
DGAGetModeInfo(stuff->screen, mode + i, i + 1);
|
|
|
|
size = num * sz_xXDGAModeInfo;
|
|
for (i = 0; i < num; i++)
|
|
size += pad_to_int32(strlen(mode[i].name) + 1); /* plus NULL */
|
|
|
|
rep.number = num;
|
|
rep.length = bytes_to_int32(size);
|
|
|
|
WriteToClient(client, sz_xXDGAQueryModesReply, (char *) &rep);
|
|
|
|
for (i = 0; i < num; i++) {
|
|
size = strlen(mode[i].name) + 1;
|
|
|
|
info.byte_order = mode[i].byteOrder;
|
|
info.depth = mode[i].depth;
|
|
info.num = mode[i].num;
|
|
info.bpp = mode[i].bitsPerPixel;
|
|
info.name_size = (size + 3) & ~3L;
|
|
info.vsync_num = mode[i].VSync_num;
|
|
info.vsync_den = mode[i].VSync_den;
|
|
info.flags = mode[i].flags;
|
|
info.image_width = mode[i].imageWidth;
|
|
info.image_height = mode[i].imageHeight;
|
|
info.pixmap_width = mode[i].pixmapWidth;
|
|
info.pixmap_height = mode[i].pixmapHeight;
|
|
info.bytes_per_scanline = mode[i].bytesPerScanline;
|
|
info.red_mask = mode[i].red_mask;
|
|
info.green_mask = mode[i].green_mask;
|
|
info.blue_mask = mode[i].blue_mask;
|
|
info.visual_class = mode[i].visualClass;
|
|
info.viewport_width = mode[i].viewportWidth;
|
|
info.viewport_height = mode[i].viewportHeight;
|
|
info.viewport_xstep = mode[i].xViewportStep;
|
|
info.viewport_ystep = mode[i].yViewportStep;
|
|
info.viewport_xmax = mode[i].maxViewportX;
|
|
info.viewport_ymax = mode[i].maxViewportY;
|
|
info.viewport_flags = mode[i].viewportFlags;
|
|
info.reserved1 = mode[i].reserved1;
|
|
info.reserved2 = mode[i].reserved2;
|
|
|
|
WriteToClient(client, sz_xXDGAModeInfo, (char *) (&info));
|
|
WriteToClient(client, size, mode[i].name);
|
|
}
|
|
|
|
free(mode);
|
|
|
|
return Success;
|
|
}
|
|
|
|
static void
|
|
DGAClientStateChange(CallbackListPtr *pcbl, void *nulldata, void *calldata)
|
|
{
|
|
NewClientInfoRec *pci = (NewClientInfoRec *) calldata;
|
|
ClientPtr client = NULL;
|
|
int i;
|
|
|
|
for (i = 0; i < screenInfo.numScreens; i++) {
|
|
if (DGA_GETCLIENT(i) == pci->client) {
|
|
client = pci->client;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (client &&
|
|
((client->clientState == ClientStateGone) ||
|
|
(client->clientState == ClientStateRetained))) {
|
|
XDGAModeRec mode;
|
|
PixmapPtr pPix;
|
|
|
|
DGA_SETCLIENT(i, NULL);
|
|
DGASelectInput(i, NULL, 0);
|
|
DGASetMode(i, 0, &mode, &pPix);
|
|
|
|
if (--DGACallbackRefCount == 0)
|
|
DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL);
|
|
}
|
|
}
|
|
|
|
static int
|
|
ProcXDGASetMode(ClientPtr client)
|
|
{
|
|
REQUEST(xXDGASetModeReq);
|
|
xXDGASetModeReply rep;
|
|
XDGAModeRec mode;
|
|
xXDGAModeInfo info;
|
|
PixmapPtr pPix;
|
|
ClientPtr owner;
|
|
int size;
|
|
|
|
REQUEST_SIZE_MATCH(xXDGASetModeReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
owner = DGA_GETCLIENT(stuff->screen);
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.offset = 0;
|
|
rep.flags = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
|
|
if (!DGAAvailable(stuff->screen))
|
|
return DGAErrorBase + XF86DGANoDirectVideoMode;
|
|
|
|
if (owner && owner != client)
|
|
return DGAErrorBase + XF86DGANoDirectVideoMode;
|
|
|
|
if (!stuff->mode) {
|
|
if (owner) {
|
|
if (--DGACallbackRefCount == 0)
|
|
DeleteCallback(&ClientStateCallback, DGAClientStateChange,
|
|
NULL);
|
|
}
|
|
DGA_SETCLIENT(stuff->screen, NULL);
|
|
DGASelectInput(stuff->screen, NULL, 0);
|
|
DGASetMode(stuff->screen, 0, &mode, &pPix);
|
|
WriteToClient(client, sz_xXDGASetModeReply, (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
if (Success != DGASetMode(stuff->screen, stuff->mode, &mode, &pPix))
|
|
return BadValue;
|
|
|
|
if (!owner) {
|
|
if (DGACallbackRefCount++ == 0)
|
|
AddCallback(&ClientStateCallback, DGAClientStateChange, NULL);
|
|
}
|
|
|
|
DGA_SETCLIENT(stuff->screen, client);
|
|
|
|
if (pPix) {
|
|
if (AddResource(stuff->pid, RT_PIXMAP, (void *) (pPix))) {
|
|
pPix->drawable.id = (int) stuff->pid;
|
|
rep.flags = DGA_PIXMAP_AVAILABLE;
|
|
}
|
|
}
|
|
|
|
size = strlen(mode.name) + 1;
|
|
|
|
info.byte_order = mode.byteOrder;
|
|
info.depth = mode.depth;
|
|
info.num = mode.num;
|
|
info.bpp = mode.bitsPerPixel;
|
|
info.name_size = (size + 3) & ~3L;
|
|
info.vsync_num = mode.VSync_num;
|
|
info.vsync_den = mode.VSync_den;
|
|
info.flags = mode.flags;
|
|
info.image_width = mode.imageWidth;
|
|
info.image_height = mode.imageHeight;
|
|
info.pixmap_width = mode.pixmapWidth;
|
|
info.pixmap_height = mode.pixmapHeight;
|
|
info.bytes_per_scanline = mode.bytesPerScanline;
|
|
info.red_mask = mode.red_mask;
|
|
info.green_mask = mode.green_mask;
|
|
info.blue_mask = mode.blue_mask;
|
|
info.visual_class = mode.visualClass;
|
|
info.viewport_width = mode.viewportWidth;
|
|
info.viewport_height = mode.viewportHeight;
|
|
info.viewport_xstep = mode.xViewportStep;
|
|
info.viewport_ystep = mode.yViewportStep;
|
|
info.viewport_xmax = mode.maxViewportX;
|
|
info.viewport_ymax = mode.maxViewportY;
|
|
info.viewport_flags = mode.viewportFlags;
|
|
info.reserved1 = mode.reserved1;
|
|
info.reserved2 = mode.reserved2;
|
|
|
|
rep.length = bytes_to_int32(sz_xXDGAModeInfo + info.name_size);
|
|
|
|
WriteToClient(client, sz_xXDGASetModeReply, (char *) &rep);
|
|
WriteToClient(client, sz_xXDGAModeInfo, (char *) (&info));
|
|
WriteToClient(client, size, mode.name);
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGASetViewport(ClientPtr client)
|
|
{
|
|
REQUEST(xXDGASetViewportReq);
|
|
|
|
REQUEST_SIZE_MATCH(xXDGASetViewportReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) != client)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
DGASetViewport(stuff->screen, stuff->x, stuff->y, stuff->flags);
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGAInstallColormap(ClientPtr client)
|
|
{
|
|
ColormapPtr cmap;
|
|
int rc;
|
|
|
|
REQUEST(xXDGAInstallColormapReq);
|
|
|
|
REQUEST_SIZE_MATCH(xXDGAInstallColormapReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) != client)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
rc = dixLookupResourceByType((void **) &cmap, stuff->cmap, RT_COLORMAP,
|
|
client, DixInstallAccess);
|
|
if (rc != Success)
|
|
return rc;
|
|
DGAInstallCmap(cmap);
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGASelectInput(ClientPtr client)
|
|
{
|
|
REQUEST(xXDGASelectInputReq);
|
|
|
|
REQUEST_SIZE_MATCH(xXDGASelectInputReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) != client)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) == client)
|
|
DGASelectInput(stuff->screen, client, stuff->mask);
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGAFillRectangle(ClientPtr client)
|
|
{
|
|
REQUEST(xXDGAFillRectangleReq);
|
|
|
|
REQUEST_SIZE_MATCH(xXDGAFillRectangleReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) != client)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
if (Success != DGAFillRect(stuff->screen, stuff->x, stuff->y,
|
|
stuff->width, stuff->height, stuff->color))
|
|
return BadMatch;
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGACopyArea(ClientPtr client)
|
|
{
|
|
REQUEST(xXDGACopyAreaReq);
|
|
|
|
REQUEST_SIZE_MATCH(xXDGACopyAreaReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) != client)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
if (Success != DGABlitRect(stuff->screen, stuff->srcx, stuff->srcy,
|
|
stuff->width, stuff->height, stuff->dstx,
|
|
stuff->dsty))
|
|
return BadMatch;
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGACopyTransparentArea(ClientPtr client)
|
|
{
|
|
REQUEST(xXDGACopyTransparentAreaReq);
|
|
|
|
REQUEST_SIZE_MATCH(xXDGACopyTransparentAreaReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) != client)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
if (Success != DGABlitTransRect(stuff->screen, stuff->srcx, stuff->srcy,
|
|
stuff->width, stuff->height, stuff->dstx,
|
|
stuff->dsty, stuff->key))
|
|
return BadMatch;
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGAGetViewportStatus(ClientPtr client)
|
|
{
|
|
REQUEST(xXDGAGetViewportStatusReq);
|
|
xXDGAGetViewportStatusReply rep;
|
|
|
|
REQUEST_SIZE_MATCH(xXDGAGetViewportStatusReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) != client)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
|
|
rep.status = DGAGetViewportStatus(stuff->screen);
|
|
|
|
WriteToClient(client, sizeof(xXDGAGetViewportStatusReply), (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGASync(ClientPtr client)
|
|
{
|
|
REQUEST(xXDGASyncReq);
|
|
xXDGASyncReply rep;
|
|
|
|
REQUEST_SIZE_MATCH(xXDGASyncReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) != client)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
|
|
DGASync(stuff->screen);
|
|
|
|
WriteToClient(client, sizeof(xXDGASyncReply), (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGASetClientVersion(ClientPtr client)
|
|
{
|
|
REQUEST(xXDGASetClientVersionReq);
|
|
|
|
DGAPrivPtr pPriv;
|
|
|
|
REQUEST_SIZE_MATCH(xXDGASetClientVersionReq);
|
|
if ((pPriv = DGA_GETPRIV(client)) == NULL) {
|
|
pPriv = malloc(sizeof(DGAPrivRec));
|
|
/* XXX Need to look into freeing this */
|
|
if (!pPriv)
|
|
return BadAlloc;
|
|
DGA_SETPRIV(client, pPriv);
|
|
}
|
|
pPriv->major = stuff->major;
|
|
pPriv->minor = stuff->minor;
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGAChangePixmapMode(ClientPtr client)
|
|
{
|
|
REQUEST(xXDGAChangePixmapModeReq);
|
|
xXDGAChangePixmapModeReply rep;
|
|
int x, y;
|
|
|
|
REQUEST_SIZE_MATCH(xXDGAChangePixmapModeReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) != client)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
|
|
x = stuff->x;
|
|
y = stuff->y;
|
|
|
|
if (!DGAChangePixmapMode(stuff->screen, &x, &y, stuff->flags))
|
|
return BadMatch;
|
|
|
|
rep.x = x;
|
|
rep.y = y;
|
|
WriteToClient(client, sizeof(xXDGAChangePixmapModeReply), (char *) &rep);
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXDGACreateColormap(ClientPtr client)
|
|
{
|
|
REQUEST(xXDGACreateColormapReq);
|
|
int result;
|
|
|
|
REQUEST_SIZE_MATCH(xXDGACreateColormapReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) != client)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
if (!stuff->mode)
|
|
return BadValue;
|
|
|
|
result = DGACreateColormap(stuff->screen, client, stuff->id,
|
|
stuff->mode, stuff->alloc);
|
|
if (result != Success)
|
|
return result;
|
|
|
|
return Success;
|
|
}
|
|
|
|
/*
|
|
*
|
|
* Support for the old DGA protocol, used to live in xf86dga.c
|
|
*
|
|
*/
|
|
|
|
#ifdef DGA_PROTOCOL_OLD_SUPPORT
|
|
|
|
static int
|
|
ProcXF86DGAGetVideoLL(ClientPtr client)
|
|
{
|
|
REQUEST(xXF86DGAGetVideoLLReq);
|
|
xXF86DGAGetVideoLLReply rep;
|
|
XDGAModeRec mode;
|
|
int num, offset, flags;
|
|
char *name;
|
|
|
|
REQUEST_SIZE_MATCH(xXF86DGAGetVideoLLReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
|
|
if (!DGAAvailable(stuff->screen))
|
|
return DGAErrorBase + XF86DGANoDirectVideoMode;
|
|
|
|
if (!(num = DGAGetOldDGAMode(stuff->screen)))
|
|
return DGAErrorBase + XF86DGANoDirectVideoMode;
|
|
|
|
/* get the parameters for the mode that best matches */
|
|
DGAGetModeInfo(stuff->screen, &mode, num);
|
|
|
|
if (!DGAOpenFramebuffer(stuff->screen, &name,
|
|
(unsigned char **) (&rep.offset),
|
|
(int *) (&rep.bank_size), &offset, &flags))
|
|
return BadAlloc;
|
|
|
|
rep.offset += mode.offset;
|
|
rep.width = mode.bytesPerScanline / (mode.bitsPerPixel >> 3);
|
|
rep.ram_size = rep.bank_size >> 10;
|
|
|
|
WriteToClient(client, SIZEOF(xXF86DGAGetVideoLLReply), (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXF86DGADirectVideo(ClientPtr client)
|
|
{
|
|
int num;
|
|
PixmapPtr pix;
|
|
XDGAModeRec mode;
|
|
ClientPtr owner;
|
|
|
|
REQUEST(xXF86DGADirectVideoReq);
|
|
|
|
REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (!DGAAvailable(stuff->screen))
|
|
return DGAErrorBase + XF86DGANoDirectVideoMode;
|
|
|
|
owner = DGA_GETCLIENT(stuff->screen);
|
|
|
|
if (owner && owner != client)
|
|
return DGAErrorBase + XF86DGANoDirectVideoMode;
|
|
|
|
if (stuff->enable & XF86DGADirectGraphics) {
|
|
if (!(num = DGAGetOldDGAMode(stuff->screen)))
|
|
return DGAErrorBase + XF86DGANoDirectVideoMode;
|
|
}
|
|
else
|
|
num = 0;
|
|
|
|
if (Success != DGASetMode(stuff->screen, num, &mode, &pix))
|
|
return DGAErrorBase + XF86DGAScreenNotActive;
|
|
|
|
DGASetInputMode(stuff->screen,
|
|
(stuff->enable & XF86DGADirectKeyb) != 0,
|
|
(stuff->enable & XF86DGADirectMouse) != 0);
|
|
|
|
/* We need to track the client and attach the teardown callback */
|
|
if (stuff->enable &
|
|
(XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse)) {
|
|
if (!owner) {
|
|
if (DGACallbackRefCount++ == 0)
|
|
AddCallback(&ClientStateCallback, DGAClientStateChange, NULL);
|
|
}
|
|
|
|
DGA_SETCLIENT(stuff->screen, client);
|
|
}
|
|
else {
|
|
if (owner) {
|
|
if (--DGACallbackRefCount == 0)
|
|
DeleteCallback(&ClientStateCallback, DGAClientStateChange,
|
|
NULL);
|
|
}
|
|
|
|
DGA_SETCLIENT(stuff->screen, NULL);
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXF86DGAGetViewPortSize(ClientPtr client)
|
|
{
|
|
int num;
|
|
XDGAModeRec mode;
|
|
|
|
REQUEST(xXF86DGAGetViewPortSizeReq);
|
|
xXF86DGAGetViewPortSizeReply rep;
|
|
|
|
REQUEST_SIZE_MATCH(xXF86DGAGetViewPortSizeReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
|
|
if (!DGAAvailable(stuff->screen))
|
|
return DGAErrorBase + XF86DGANoDirectVideoMode;
|
|
|
|
if (!(num = DGAGetOldDGAMode(stuff->screen)))
|
|
return DGAErrorBase + XF86DGANoDirectVideoMode;
|
|
|
|
DGAGetModeInfo(stuff->screen, &mode, num);
|
|
|
|
rep.width = mode.viewportWidth;
|
|
rep.height = mode.viewportHeight;
|
|
|
|
WriteToClient(client, SIZEOF(xXF86DGAGetViewPortSizeReply), (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXF86DGASetViewPort(ClientPtr client)
|
|
{
|
|
REQUEST(xXF86DGASetViewPortReq);
|
|
|
|
REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) != client)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
if (!DGAAvailable(stuff->screen))
|
|
return DGAErrorBase + XF86DGANoDirectVideoMode;
|
|
|
|
if (!DGAActive(stuff->screen))
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
if (DGASetViewport(stuff->screen, stuff->x, stuff->y, DGA_FLIP_RETRACE)
|
|
!= Success)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXF86DGAGetVidPage(ClientPtr client)
|
|
{
|
|
REQUEST(xXF86DGAGetVidPageReq);
|
|
xXF86DGAGetVidPageReply rep;
|
|
|
|
REQUEST_SIZE_MATCH(xXF86DGAGetVidPageReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
rep.vpage = 0; /* silently fail */
|
|
|
|
WriteToClient(client, SIZEOF(xXF86DGAGetVidPageReply), (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXF86DGASetVidPage(ClientPtr client)
|
|
{
|
|
REQUEST(xXF86DGASetVidPageReq);
|
|
|
|
REQUEST_SIZE_MATCH(xXF86DGASetVidPageReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
/* silently fail */
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXF86DGAInstallColormap(ClientPtr client)
|
|
{
|
|
ColormapPtr pcmp;
|
|
int rc;
|
|
|
|
REQUEST(xXF86DGAInstallColormapReq);
|
|
|
|
REQUEST_SIZE_MATCH(xXF86DGAInstallColormapReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) != client)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
if (!DGAActive(stuff->screen))
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
rc = dixLookupResourceByType((void **) &pcmp, stuff->id, RT_COLORMAP,
|
|
client, DixInstallAccess);
|
|
if (rc == Success) {
|
|
DGAInstallCmap(pcmp);
|
|
return Success;
|
|
}
|
|
else {
|
|
return rc;
|
|
}
|
|
}
|
|
|
|
static int
|
|
ProcXF86DGAQueryDirectVideo(ClientPtr client)
|
|
{
|
|
REQUEST(xXF86DGAQueryDirectVideoReq);
|
|
xXF86DGAQueryDirectVideoReply rep;
|
|
|
|
REQUEST_SIZE_MATCH(xXF86DGAQueryDirectVideoReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
rep.flags = 0;
|
|
|
|
if (DGAAvailable(stuff->screen))
|
|
rep.flags = XF86DGADirectPresent;
|
|
|
|
WriteToClient(client, SIZEOF(xXF86DGAQueryDirectVideoReply), (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcXF86DGAViewPortChanged(ClientPtr client)
|
|
{
|
|
REQUEST(xXF86DGAViewPortChangedReq);
|
|
xXF86DGAViewPortChangedReply rep;
|
|
|
|
REQUEST_SIZE_MATCH(xXF86DGAViewPortChangedReq);
|
|
|
|
if (stuff->screen >= screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if (DGA_GETCLIENT(stuff->screen) != client)
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
if (!DGAActive(stuff->screen))
|
|
return DGAErrorBase + XF86DGADirectNotActivated;
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
rep.result = 1;
|
|
|
|
WriteToClient(client, SIZEOF(xXF86DGAViewPortChangedReply), (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
#endif /* DGA_PROTOCOL_OLD_SUPPORT */
|
|
|
|
static int _X_COLD
|
|
SProcXDGADispatch(ClientPtr client)
|
|
{
|
|
return DGAErrorBase + XF86DGAClientNotLocal;
|
|
}
|
|
|
|
#if 0
|
|
#define DGA_REQ_DEBUG
|
|
#endif
|
|
|
|
#ifdef DGA_REQ_DEBUG
|
|
static char *dgaMinor[] = {
|
|
"QueryVersion",
|
|
"GetVideoLL",
|
|
"DirectVideo",
|
|
"GetViewPortSize",
|
|
"SetViewPort",
|
|
"GetVidPage",
|
|
"SetVidPage",
|
|
"InstallColormap",
|
|
"QueryDirectVideo",
|
|
"ViewPortChanged",
|
|
"10",
|
|
"11",
|
|
"QueryModes",
|
|
"SetMode",
|
|
"SetViewport",
|
|
"InstallColormap",
|
|
"SelectInput",
|
|
"FillRectangle",
|
|
"CopyArea",
|
|
"CopyTransparentArea",
|
|
"GetViewportStatus",
|
|
"Sync",
|
|
"OpenFramebuffer",
|
|
"CloseFramebuffer",
|
|
"SetClientVersion",
|
|
"ChangePixmapMode",
|
|
"CreateColormap",
|
|
};
|
|
#endif
|
|
|
|
static int
|
|
ProcXDGADispatch(ClientPtr client)
|
|
{
|
|
REQUEST(xReq);
|
|
|
|
if (!client->local)
|
|
return DGAErrorBase + XF86DGAClientNotLocal;
|
|
|
|
#ifdef DGA_REQ_DEBUG
|
|
if (stuff->data <= X_XDGACreateColormap)
|
|
fprintf(stderr, " DGA %s\n", dgaMinor[stuff->data]);
|
|
#endif
|
|
|
|
switch (stuff->data) {
|
|
/*
|
|
* DGA2 Protocol
|
|
*/
|
|
case X_XDGAQueryVersion:
|
|
return ProcXDGAQueryVersion(client);
|
|
case X_XDGAQueryModes:
|
|
return ProcXDGAQueryModes(client);
|
|
case X_XDGASetMode:
|
|
return ProcXDGASetMode(client);
|
|
case X_XDGAOpenFramebuffer:
|
|
return ProcXDGAOpenFramebuffer(client);
|
|
case X_XDGACloseFramebuffer:
|
|
return ProcXDGACloseFramebuffer(client);
|
|
case X_XDGASetViewport:
|
|
return ProcXDGASetViewport(client);
|
|
case X_XDGAInstallColormap:
|
|
return ProcXDGAInstallColormap(client);
|
|
case X_XDGASelectInput:
|
|
return ProcXDGASelectInput(client);
|
|
case X_XDGAFillRectangle:
|
|
return ProcXDGAFillRectangle(client);
|
|
case X_XDGACopyArea:
|
|
return ProcXDGACopyArea(client);
|
|
case X_XDGACopyTransparentArea:
|
|
return ProcXDGACopyTransparentArea(client);
|
|
case X_XDGAGetViewportStatus:
|
|
return ProcXDGAGetViewportStatus(client);
|
|
case X_XDGASync:
|
|
return ProcXDGASync(client);
|
|
case X_XDGASetClientVersion:
|
|
return ProcXDGASetClientVersion(client);
|
|
case X_XDGAChangePixmapMode:
|
|
return ProcXDGAChangePixmapMode(client);
|
|
case X_XDGACreateColormap:
|
|
return ProcXDGACreateColormap(client);
|
|
/*
|
|
* Old DGA Protocol
|
|
*/
|
|
#ifdef DGA_PROTOCOL_OLD_SUPPORT
|
|
case X_XF86DGAGetVideoLL:
|
|
return ProcXF86DGAGetVideoLL(client);
|
|
case X_XF86DGADirectVideo:
|
|
return ProcXF86DGADirectVideo(client);
|
|
case X_XF86DGAGetViewPortSize:
|
|
return ProcXF86DGAGetViewPortSize(client);
|
|
case X_XF86DGASetViewPort:
|
|
return ProcXF86DGASetViewPort(client);
|
|
case X_XF86DGAGetVidPage:
|
|
return ProcXF86DGAGetVidPage(client);
|
|
case X_XF86DGASetVidPage:
|
|
return ProcXF86DGASetVidPage(client);
|
|
case X_XF86DGAInstallColormap:
|
|
return ProcXF86DGAInstallColormap(client);
|
|
case X_XF86DGAQueryDirectVideo:
|
|
return ProcXF86DGAQueryDirectVideo(client);
|
|
case X_XF86DGAViewPortChanged:
|
|
return ProcXF86DGAViewPortChanged(client);
|
|
#endif /* DGA_PROTOCOL_OLD_SUPPORT */
|
|
default:
|
|
return BadRequest;
|
|
}
|
|
}
|
|
|
|
void
|
|
XFree86DGAExtensionInit(void)
|
|
{
|
|
ExtensionEntry *extEntry;
|
|
|
|
if (!dixRegisterPrivateKey(&DGAClientPrivateKeyRec, PRIVATE_CLIENT, 0))
|
|
return;
|
|
|
|
if (!dixRegisterPrivateKey(&DGAScreenPrivateKeyRec, PRIVATE_SCREEN, 0))
|
|
return;
|
|
|
|
if ((extEntry = AddExtension(XF86DGANAME,
|
|
XF86DGANumberEvents,
|
|
XF86DGANumberErrors,
|
|
ProcXDGADispatch,
|
|
SProcXDGADispatch,
|
|
XDGAResetProc, StandardMinorOpcode))) {
|
|
int i;
|
|
|
|
DGAReqCode = (unsigned char) extEntry->base;
|
|
DGAErrorBase = extEntry->errorBase;
|
|
DGAEventBase = extEntry->eventBase;
|
|
for (i = KeyPress; i <= MotionNotify; i++)
|
|
SetCriticalEvent(DGAEventBase + i);
|
|
}
|
|
}
|