1174 lines
32 KiB
C
1174 lines
32 KiB
C
/*
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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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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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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 "mi.h"
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static DevPrivateKeyRec DGAScreenKeyRec;
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#define DGAScreenKeyRegistered dixPrivateKeyRegistered(&DGAScreenKeyRec)
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static Bool mieq_installed;
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static Bool DGACloseScreen(int i, 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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int *XDGAEventBase = NULL;
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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 = xf86Screens[pScreen->myNum];
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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(int i, ScreenPtr pScreen)
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{
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DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
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if (mieq_installed) {
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mieqSetHandler(ET_DGAEvent, NULL);
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mieq_installed = FALSE;
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}
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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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/* DGAShutdown() should have ensured that no DGA
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screen were active by here */
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free(pScreenPriv);
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return ((*pScreen->CloseScreen) (i, 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(int index, int num, DGADevicePtr devRet)
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{
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ScreenPtr pScreen = screenInfo.screens[index];
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DGAScreenPtr pScreenPriv;
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ScrnInfoPtr pScrn;
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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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pScrn = pScreenPriv->pScrn;
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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) (index, 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) (index, 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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(pointer) (pMode->address));
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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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if (!mieq_installed) {
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mieqSetHandler(ET_DGAEvent, DGAHandleEvent);
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mieq_installed = TRUE;
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}
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return Success;
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}
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/*********** exported ones ***************/
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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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if (!mieq_installed) {
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mieqSetHandler(ET_DGAEvent, DGAHandleEvent);
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mieq_installed = TRUE;
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}
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}
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}
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Bool
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DGAChangePixmapMode(int index, int *x, int *y, int mode)
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{
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DGAScreenPtr pScreenPriv;
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DGADevicePtr pDev;
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DGAModePtr pMode;
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PixmapPtr pPix;
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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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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;
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default:
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break;
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}
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if (BITMAP_SCANLINE_PAD == 64)
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shift++;
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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;
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pPix->drawable.height = pMode->viewportHeight;
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}
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else {
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pPix->drawable.x = 0;
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pPix->drawable.y = 0;
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pPix->drawable.width = pMode->pixmapWidth;
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pPix->drawable.height = pMode->pixmapHeight;
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}
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pPix->drawable.serialNumber = NEXT_SERIAL_NUMBER;
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pScreenPriv->pixmapMode = mode;
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return TRUE;
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}
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Bool
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DGAAvailable(int index)
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{
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if (!DGAScreenKeyRegistered)
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return FALSE;
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if (DGA_GET_SCREEN_PRIV(screenInfo.screens[index]))
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return TRUE;
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return FALSE;
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}
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Bool
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DGAActive(int index)
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{
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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 event code in case the server is abruptly terminated */
|
|
|
|
void
|
|
DGAShutdown(void)
|
|
{
|
|
ScrnInfoPtr pScrn;
|
|
int i;
|
|
|
|
if (!DGAScreenKeyRegistered)
|
|
return;
|
|
|
|
for (i = 0; i < screenInfo.numScreens; i++) {
|
|
pScrn = xf86Screens[i];
|
|
|
|
(void) (*pScrn->SetDGAMode) (pScrn->scrnIndex, 0, NULL);
|
|
}
|
|
}
|
|
|
|
/* Called by the extension to initialize a mode */
|
|
|
|
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) (index, 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 */
|
|
|
|
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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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 */
|
|
|
|
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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
|
|
memset(&event, 0, sizeof(event));
|
|
event.header = ET_Internal;
|
|
event.type = ET_DGAEvent;
|
|
event.length = sizeof(event);
|
|
event.time = GetTimeInMillis();
|
|
event.subtype = (is_down ? ET_KeyPress : ET_KeyRelease);
|
|
event.detail = key_code;
|
|
event.dx = 0;
|
|
event.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;
|
|
|
|
memset(&event, 0, sizeof(event));
|
|
event.header = ET_Internal;
|
|
event.type = ET_DGAEvent;
|
|
event.length = sizeof(event);
|
|
event.time = GetTimeInMillis();
|
|
event.subtype = ET_Motion;
|
|
event.detail = 0;
|
|
event.dx = dx;
|
|
event.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;
|
|
|
|
memset(&event, 0, sizeof(event));
|
|
event.header = ET_Internal;
|
|
event.type = ET_DGAEvent;
|
|
event.length = sizeof(event);
|
|
event.time = GetTimeInMillis();
|
|
event.subtype = (is_down ? ET_ButtonPress : ET_ButtonRelease);
|
|
event.detail = button;
|
|
event.dx = 0;
|
|
event.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;
|
|
|
|
memset(&ev, 0, sizeof(ev));
|
|
ev.header = ET_Internal;
|
|
ev.length = sizeof(ev);
|
|
ev.detail.key = event->detail;
|
|
ev.type = event->subtype;
|
|
ev.root_x = 0;
|
|
ev.root_y = 0;
|
|
ev.corestate = XkbStateFieldFromRec(&keyc->xkbInfo->state);
|
|
ev.corestate |= pointer->button->state;
|
|
|
|
UpdateDeviceState(keybd, &ev);
|
|
|
|
/*
|
|
* Deliver the DGA event
|
|
*/
|
|
if (pScreenPriv->client) {
|
|
dgaEvent de;
|
|
|
|
de.u.u.type = *XDGAEventBase + GetCoreType(ev.type);
|
|
de.u.u.detail = event->detail;
|
|
de.u.event.time = event->time;
|
|
de.u.event.dx = event->dx;
|
|
de.u.event.dy = event->dy;
|
|
de.u.event.screen = pScreen->myNum;
|
|
de.u.event.state = ev.corestate;
|
|
|
|
/* 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);
|
|
DeviceEvent ev;
|
|
DeviceIntPtr master = GetMaster(mouse, MASTER_KEYBOARD);
|
|
|
|
memset(&ev, 0, sizeof(ev));
|
|
ev.header = ET_Internal;
|
|
ev.length = sizeof(ev);
|
|
ev.type = event->subtype;
|
|
ev.corestate = butc ? butc->state : 0;
|
|
if (master && master->key)
|
|
ev.corestate |= XkbStateFieldFromRec(&master->key->xkbInfo->state);
|
|
|
|
UpdateDeviceState(mouse, &ev);
|
|
|
|
/*
|
|
* Deliver the DGA event
|
|
*/
|
|
if (pScreenPriv->client) {
|
|
dgaEvent de;
|
|
int coreEquiv;
|
|
|
|
coreEquiv = GetCoreType(ev.type);
|
|
|
|
de.u.u.type = *XDGAEventBase + coreEquiv;
|
|
de.u.u.detail = event->detail;
|
|
de.u.event.time = event->time;
|
|
de.u.event.dx = event->dx;
|
|
de.u.event.dy = event->dy;
|
|
de.u.event.screen = pScreen->myNum;
|
|
de.u.event.state = ev.corestate;
|
|
|
|
/* 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);
|
|
}
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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 */
|
|
|
|
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 || XDGAEventBase == 0)
|
|
return;
|
|
pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
|
|
|
|
/* DGA not initialized on this screen */
|
|
if (!pScreenPriv)
|
|
return;
|
|
|
|
if (!IsMaster(device))
|
|
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;
|
|
}
|
|
}
|