670 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			670 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright (c) 1999-2003 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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/*
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 * This file contains the VidMode functions required by the extension.
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 * These have been added to avoid the need for the higher level extension
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 * code to access the private XFree86 data structures directly. Wherever
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 * possible this code uses the functions in xf86Mode.c to do the work,
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 * so that two version of code that do similar things don't have to be
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 * maintained.
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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 "os.h"
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#include "xf86.h"
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#include "xf86Priv.h"
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#ifdef XF86VIDMODE
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#include "vidmodeproc.h"
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#include "xf86cmap.h"
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static DevPrivateKeyRec VidModeKeyRec;
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static DevPrivateKey VidModeKey;
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static int VidModeCount = 0;
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static Bool VidModeClose(ScreenPtr pScreen);
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#define VMPTR(p) ((VidModePtr)dixLookupPrivate(&(p)->devPrivates, VidModeKey))
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#endif
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Bool
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VidModeExtensionInit(ScreenPtr pScreen)
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{
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#ifdef XF86VIDMODE
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    VidModePtr pVidMode;
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    if (!xf86GetVidModeEnabled()) {
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        DebugF("!xf86GetVidModeEnabled()\n");
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        return FALSE;
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    }
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    VidModeKey = &VidModeKeyRec;
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    if (!dixRegisterPrivateKey(&VidModeKeyRec, PRIVATE_SCREEN, 0))
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        return FALSE;
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    pVidMode = calloc(sizeof(VidModeRec), 1);
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    if (!pVidMode)
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        return FALSE;
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    dixSetPrivate(&pScreen->devPrivates, VidModeKey, pVidMode);
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    pVidMode->Flags = 0;
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    pVidMode->Next = NULL;
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    pVidMode->CloseScreen = pScreen->CloseScreen;
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    pScreen->CloseScreen = VidModeClose;
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    VidModeCount++;
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    return TRUE;
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#else
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    DebugF("no vidmode extension\n");
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    return FALSE;
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#endif
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}
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#ifdef XF86VIDMODE
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static Bool
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VidModeClose(ScreenPtr pScreen)
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{
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    VidModePtr pVidMode = VMPTR(pScreen);
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    /* This shouldn't happen */
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    if (!pVidMode)
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        return FALSE;
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    pScreen->CloseScreen = pVidMode->CloseScreen;
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    if (--VidModeCount == 0) {
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        free(dixLookupPrivate(&pScreen->devPrivates, VidModeKey));
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        dixSetPrivate(&pScreen->devPrivates, VidModeKey, NULL);
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        VidModeKey = NULL;
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    }
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    return pScreen->CloseScreen(pScreen);
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}
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Bool
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VidModeAvailable(int scrnIndex)
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{
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    ScrnInfoPtr pScrn;
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    VidModePtr pVidMode;
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    if (VidModeKey == NULL) {
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        DebugF("VidModeKey == NULL\n");
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        return FALSE;
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    }
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    pScrn = xf86Screens[scrnIndex];
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    if (pScrn == NULL) {
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        DebugF("pScrn == NULL\n");
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        return FALSE;
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    }
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    pVidMode = VMPTR(pScrn->pScreen);
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    if (pVidMode)
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        return TRUE;
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    else {
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        DebugF("pVidMode == NULL\n");
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        return FALSE;
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    }
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}
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Bool
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VidModeGetCurrentModeline(int scrnIndex, void **mode, int *dotClock)
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{
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    ScrnInfoPtr pScrn;
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    if (!VidModeAvailable(scrnIndex))
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        return FALSE;
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    pScrn = xf86Screens[scrnIndex];
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    if (pScrn->currentMode) {
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        *mode = (void *) (pScrn->currentMode);
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        *dotClock = pScrn->currentMode->Clock;
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        return TRUE;
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    }
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    return FALSE;
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}
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int
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VidModeGetDotClock(int scrnIndex, int Clock)
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{
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    ScrnInfoPtr pScrn;
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    if (!VidModeAvailable(scrnIndex))
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        return 0;
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    pScrn = xf86Screens[scrnIndex];
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    if ((pScrn->progClock) || (Clock >= MAXCLOCKS))
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        return Clock;
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    else
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        return pScrn->clock[Clock];
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}
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int
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VidModeGetNumOfClocks(int scrnIndex, Bool *progClock)
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{
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    ScrnInfoPtr pScrn;
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    if (!VidModeAvailable(scrnIndex))
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        return 0;
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    pScrn = xf86Screens[scrnIndex];
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    if (pScrn->progClock) {
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        *progClock = TRUE;
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        return 0;
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    }
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    else {
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        *progClock = FALSE;
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        return pScrn->numClocks;
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    }
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}
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Bool
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VidModeGetClocks(int scrnIndex, int *Clocks)
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{
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    ScrnInfoPtr pScrn;
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    int i;
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    if (!VidModeAvailable(scrnIndex))
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        return FALSE;
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    pScrn = xf86Screens[scrnIndex];
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    if (pScrn->progClock)
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        return FALSE;
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    for (i = 0; i < pScrn->numClocks; i++)
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        *Clocks++ = pScrn->clock[i];
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    return TRUE;
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}
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Bool
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VidModeGetFirstModeline(int scrnIndex, void **mode, int *dotClock)
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{
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    ScrnInfoPtr pScrn;
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    VidModePtr pVidMode;
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    if (!VidModeAvailable(scrnIndex))
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        return FALSE;
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    pScrn = xf86Screens[scrnIndex];
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    if (pScrn->modes == NULL)
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        return FALSE;
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    pVidMode = VMPTR(pScrn->pScreen);
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    pVidMode->First = pScrn->modes;
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    pVidMode->Next = pVidMode->First->next;
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    if (pVidMode->First->status == MODE_OK) {
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        *mode = (void *) (pVidMode->First);
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        *dotClock = VidModeGetDotClock(scrnIndex, pVidMode->First->Clock);
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        return TRUE;
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    }
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    return VidModeGetNextModeline(scrnIndex, mode, dotClock);
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}
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Bool
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VidModeGetNextModeline(int scrnIndex, void **mode, int *dotClock)
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{
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    ScrnInfoPtr pScrn;
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    VidModePtr pVidMode;
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    DisplayModePtr p;
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    if (!VidModeAvailable(scrnIndex))
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        return FALSE;
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    pScrn = xf86Screens[scrnIndex];
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    pVidMode = VMPTR(pScrn->pScreen);
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    for (p = pVidMode->Next; p != NULL && p != pVidMode->First; p = p->next) {
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        if (p->status == MODE_OK) {
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            pVidMode->Next = p->next;
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            *mode = (void *) p;
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            *dotClock = VidModeGetDotClock(scrnIndex, p->Clock);
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            return TRUE;
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        }
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    }
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    return FALSE;
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}
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Bool
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VidModeDeleteModeline(int scrnIndex, void *mode)
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{
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    ScrnInfoPtr pScrn;
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    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
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        return FALSE;
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    pScrn = xf86Screens[scrnIndex];
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    xf86DeleteMode(&(pScrn->modes), (DisplayModePtr) mode);
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    return TRUE;
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}
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Bool
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VidModeZoomViewport(int scrnIndex, int zoom)
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{
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    ScrnInfoPtr pScrn;
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    if (!VidModeAvailable(scrnIndex))
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        return FALSE;
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    pScrn = xf86Screens[scrnIndex];
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    xf86ZoomViewport(pScrn->pScreen, zoom);
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    return TRUE;
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}
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Bool
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VidModeSetViewPort(int scrnIndex, int x, int y)
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{
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    ScrnInfoPtr pScrn;
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    if (!VidModeAvailable(scrnIndex))
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        return FALSE;
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    pScrn = xf86Screens[scrnIndex];
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    pScrn->frameX0 = min(max(x, 0),
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                         pScrn->virtualX - pScrn->currentMode->HDisplay);
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    pScrn->frameX1 = pScrn->frameX0 + pScrn->currentMode->HDisplay - 1;
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    pScrn->frameY0 = min(max(y, 0),
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                         pScrn->virtualY - pScrn->currentMode->VDisplay);
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    pScrn->frameY1 = pScrn->frameY0 + pScrn->currentMode->VDisplay - 1;
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    if (pScrn->AdjustFrame != NULL)
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        (pScrn->AdjustFrame) (pScrn, pScrn->frameX0, pScrn->frameY0);
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    return TRUE;
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}
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Bool
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VidModeGetViewPort(int scrnIndex, int *x, int *y)
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{
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    ScrnInfoPtr pScrn;
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    if (!VidModeAvailable(scrnIndex))
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        return FALSE;
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    pScrn = xf86Screens[scrnIndex];
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    *x = pScrn->frameX0;
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    *y = pScrn->frameY0;
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    return TRUE;
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}
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Bool
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VidModeSwitchMode(int scrnIndex, void *mode)
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{
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    ScrnInfoPtr pScrn;
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    DisplayModePtr pTmpMode;
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    Bool retval;
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    if (!VidModeAvailable(scrnIndex))
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        return FALSE;
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    pScrn = xf86Screens[scrnIndex];
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    /* save in case we fail */
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    pTmpMode = pScrn->currentMode;
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    /* Force a mode switch */
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    pScrn->currentMode = NULL;
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    retval = xf86SwitchMode(pScrn->pScreen, mode);
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    /* we failed: restore it */
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    if (retval == FALSE)
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        pScrn->currentMode = pTmpMode;
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    return retval;
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}
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Bool
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VidModeLockZoom(int scrnIndex, Bool lock)
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{
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    ScrnInfoPtr pScrn;
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    if (!VidModeAvailable(scrnIndex))
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        return FALSE;
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    pScrn = xf86Screens[scrnIndex];
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    if (xf86Info.dontZoom)
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        return FALSE;
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    xf86LockZoom(pScrn->pScreen, lock);
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    return TRUE;
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}
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Bool
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VidModeGetMonitor(int scrnIndex, void **monitor)
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{
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    ScrnInfoPtr pScrn;
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    if (!VidModeAvailable(scrnIndex))
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        return FALSE;
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    pScrn = xf86Screens[scrnIndex];
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    *monitor = (void *) (pScrn->monitor);
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    return TRUE;
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}
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ModeStatus
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VidModeCheckModeForMonitor(int scrnIndex, void *mode)
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{
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    ScrnInfoPtr pScrn;
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    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
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        return MODE_ERROR;
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    pScrn = xf86Screens[scrnIndex];
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    return xf86CheckModeForMonitor((DisplayModePtr) mode, pScrn->monitor);
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}
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ModeStatus
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VidModeCheckModeForDriver(int scrnIndex, void *mode)
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{
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    ScrnInfoPtr pScrn;
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    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
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        return MODE_ERROR;
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    pScrn = xf86Screens[scrnIndex];
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    return xf86CheckModeForDriver(pScrn, (DisplayModePtr) mode, 0);
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}
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void
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VidModeSetCrtcForMode(int scrnIndex, void *mode)
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{
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    ScrnInfoPtr pScrn;
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    DisplayModePtr ScreenModes;
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    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
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        return;
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    /* Ugly hack so that the xf86Mode.c function can be used without change */
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    pScrn = xf86Screens[scrnIndex];
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    ScreenModes = pScrn->modes;
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    pScrn->modes = (DisplayModePtr) mode;
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    xf86SetCrtcForModes(pScrn, pScrn->adjustFlags);
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    pScrn->modes = ScreenModes;
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    return;
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}
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Bool
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VidModeAddModeline(int scrnIndex, void *mode)
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{
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    ScrnInfoPtr pScrn;
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    if ((mode == NULL) || (!VidModeAvailable(scrnIndex)))
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        return FALSE;
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    pScrn = xf86Screens[scrnIndex];
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    ((DisplayModePtr) mode)->name = strdup(""); /* freed by deletemode */
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    ((DisplayModePtr) mode)->status = MODE_OK;
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    ((DisplayModePtr) mode)->next = pScrn->modes->next;
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    ((DisplayModePtr) mode)->prev = pScrn->modes;
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    pScrn->modes->next = (DisplayModePtr) mode;
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    if (((DisplayModePtr) mode)->next != NULL)
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        ((DisplayModePtr) mode)->next->prev = (DisplayModePtr) mode;
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    return TRUE;
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}
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int
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VidModeGetNumOfModes(int scrnIndex)
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{
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    void *mode = NULL;
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    int dotClock = 0, nummodes = 0;
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    if (!VidModeGetFirstModeline(scrnIndex, &mode, &dotClock))
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        return nummodes;
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    do {
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        nummodes++;
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        if (!VidModeGetNextModeline(scrnIndex, &mode, &dotClock))
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            return nummodes;
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    } while (TRUE);
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}
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Bool
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VidModeSetGamma(int scrnIndex, float red, float green, float blue)
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{
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    ScrnInfoPtr pScrn;
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    Gamma gamma;
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    if (!VidModeAvailable(scrnIndex))
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        return FALSE;
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    pScrn = xf86Screens[scrnIndex];
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    gamma.red = red;
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    gamma.green = green;
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    gamma.blue = blue;
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    if (xf86ChangeGamma(pScrn->pScreen, gamma) != Success)
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        return FALSE;
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    else
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        return TRUE;
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}
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Bool
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VidModeGetGamma(int scrnIndex, float *red, float *green, float *blue)
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{
 | 
						|
    ScrnInfoPtr pScrn;
 | 
						|
 | 
						|
    if (!VidModeAvailable(scrnIndex))
 | 
						|
        return FALSE;
 | 
						|
 | 
						|
    pScrn = xf86Screens[scrnIndex];
 | 
						|
    *red = pScrn->gamma.red;
 | 
						|
    *green = pScrn->gamma.green;
 | 
						|
    *blue = pScrn->gamma.blue;
 | 
						|
    return TRUE;
 | 
						|
}
 | 
						|
 | 
						|
Bool
 | 
						|
VidModeSetGammaRamp(int scrnIndex, int size, CARD16 *r, CARD16 *g, CARD16 *b)
 | 
						|
{
 | 
						|
    ScrnInfoPtr pScrn;
 | 
						|
 | 
						|
    if (!VidModeAvailable(scrnIndex))
 | 
						|
        return FALSE;
 | 
						|
 | 
						|
    pScrn = xf86Screens[scrnIndex];
 | 
						|
    xf86ChangeGammaRamp(pScrn->pScreen, size, r, g, b);
 | 
						|
    return TRUE;
 | 
						|
}
 | 
						|
 | 
						|
Bool
 | 
						|
VidModeGetGammaRamp(int scrnIndex, int size, CARD16 *r, CARD16 *g, CARD16 *b)
 | 
						|
{
 | 
						|
    ScrnInfoPtr pScrn;
 | 
						|
 | 
						|
    if (!VidModeAvailable(scrnIndex))
 | 
						|
        return FALSE;
 | 
						|
 | 
						|
    pScrn = xf86Screens[scrnIndex];
 | 
						|
    xf86GetGammaRamp(pScrn->pScreen, size, r, g, b);
 | 
						|
    return TRUE;
 | 
						|
}
 | 
						|
 | 
						|
int
 | 
						|
VidModeGetGammaRampSize(int scrnIndex)
 | 
						|
{
 | 
						|
    if (!VidModeAvailable(scrnIndex))
 | 
						|
        return 0;
 | 
						|
 | 
						|
    return xf86GetGammaRampSize(xf86Screens[scrnIndex]->pScreen);
 | 
						|
}
 | 
						|
 | 
						|
void *
 | 
						|
VidModeCreateMode(void)
 | 
						|
{
 | 
						|
    DisplayModePtr mode;
 | 
						|
 | 
						|
    mode = malloc(sizeof(DisplayModeRec));
 | 
						|
    if (mode != NULL) {
 | 
						|
        mode->name = "";
 | 
						|
        mode->VScan = 1;        /* divides refresh rate. default = 1 */
 | 
						|
        mode->Private = NULL;
 | 
						|
        mode->next = mode;
 | 
						|
        mode->prev = mode;
 | 
						|
    }
 | 
						|
    return mode;
 | 
						|
}
 | 
						|
 | 
						|
void
 | 
						|
VidModeCopyMode(void *modefrom, void *modeto)
 | 
						|
{
 | 
						|
    memcpy(modeto, modefrom, sizeof(DisplayModeRec));
 | 
						|
}
 | 
						|
 | 
						|
int
 | 
						|
VidModeGetModeValue(void *mode, int valtyp)
 | 
						|
{
 | 
						|
    int ret = 0;
 | 
						|
 | 
						|
    switch (valtyp) {
 | 
						|
    case VIDMODE_H_DISPLAY:
 | 
						|
        ret = ((DisplayModePtr) mode)->HDisplay;
 | 
						|
        break;
 | 
						|
    case VIDMODE_H_SYNCSTART:
 | 
						|
        ret = ((DisplayModePtr) mode)->HSyncStart;
 | 
						|
        break;
 | 
						|
    case VIDMODE_H_SYNCEND:
 | 
						|
        ret = ((DisplayModePtr) mode)->HSyncEnd;
 | 
						|
        break;
 | 
						|
    case VIDMODE_H_TOTAL:
 | 
						|
        ret = ((DisplayModePtr) mode)->HTotal;
 | 
						|
        break;
 | 
						|
    case VIDMODE_H_SKEW:
 | 
						|
        ret = ((DisplayModePtr) mode)->HSkew;
 | 
						|
        break;
 | 
						|
    case VIDMODE_V_DISPLAY:
 | 
						|
        ret = ((DisplayModePtr) mode)->VDisplay;
 | 
						|
        break;
 | 
						|
    case VIDMODE_V_SYNCSTART:
 | 
						|
        ret = ((DisplayModePtr) mode)->VSyncStart;
 | 
						|
        break;
 | 
						|
    case VIDMODE_V_SYNCEND:
 | 
						|
        ret = ((DisplayModePtr) mode)->VSyncEnd;
 | 
						|
        break;
 | 
						|
    case VIDMODE_V_TOTAL:
 | 
						|
        ret = ((DisplayModePtr) mode)->VTotal;
 | 
						|
        break;
 | 
						|
    case VIDMODE_FLAGS:
 | 
						|
        ret = ((DisplayModePtr) mode)->Flags;
 | 
						|
        break;
 | 
						|
    case VIDMODE_CLOCK:
 | 
						|
        ret = ((DisplayModePtr) mode)->Clock;
 | 
						|
        break;
 | 
						|
    }
 | 
						|
    return ret;
 | 
						|
}
 | 
						|
 | 
						|
void
 | 
						|
VidModeSetModeValue(void *mode, int valtyp, int val)
 | 
						|
{
 | 
						|
    switch (valtyp) {
 | 
						|
    case VIDMODE_H_DISPLAY:
 | 
						|
        ((DisplayModePtr) mode)->HDisplay = val;
 | 
						|
        break;
 | 
						|
    case VIDMODE_H_SYNCSTART:
 | 
						|
        ((DisplayModePtr) mode)->HSyncStart = val;
 | 
						|
        break;
 | 
						|
    case VIDMODE_H_SYNCEND:
 | 
						|
        ((DisplayModePtr) mode)->HSyncEnd = val;
 | 
						|
        break;
 | 
						|
    case VIDMODE_H_TOTAL:
 | 
						|
        ((DisplayModePtr) mode)->HTotal = val;
 | 
						|
        break;
 | 
						|
    case VIDMODE_H_SKEW:
 | 
						|
        ((DisplayModePtr) mode)->HSkew = val;
 | 
						|
        break;
 | 
						|
    case VIDMODE_V_DISPLAY:
 | 
						|
        ((DisplayModePtr) mode)->VDisplay = val;
 | 
						|
        break;
 | 
						|
    case VIDMODE_V_SYNCSTART:
 | 
						|
        ((DisplayModePtr) mode)->VSyncStart = val;
 | 
						|
        break;
 | 
						|
    case VIDMODE_V_SYNCEND:
 | 
						|
        ((DisplayModePtr) mode)->VSyncEnd = val;
 | 
						|
        break;
 | 
						|
    case VIDMODE_V_TOTAL:
 | 
						|
        ((DisplayModePtr) mode)->VTotal = val;
 | 
						|
        break;
 | 
						|
    case VIDMODE_FLAGS:
 | 
						|
        ((DisplayModePtr) mode)->Flags = val;
 | 
						|
        break;
 | 
						|
    case VIDMODE_CLOCK:
 | 
						|
        ((DisplayModePtr) mode)->Clock = val;
 | 
						|
        break;
 | 
						|
    }
 | 
						|
    return;
 | 
						|
}
 | 
						|
 | 
						|
vidMonitorValue
 | 
						|
VidModeGetMonitorValue(void *monitor, int valtyp, int indx)
 | 
						|
{
 | 
						|
    vidMonitorValue ret = { NULL, };
 | 
						|
 | 
						|
    switch (valtyp) {
 | 
						|
    case VIDMODE_MON_VENDOR:
 | 
						|
        ret.ptr = (((MonPtr) monitor)->vendor);
 | 
						|
        break;
 | 
						|
    case VIDMODE_MON_MODEL:
 | 
						|
        ret.ptr = (((MonPtr) monitor)->model);
 | 
						|
        break;
 | 
						|
    case VIDMODE_MON_NHSYNC:
 | 
						|
        ret.i = ((MonPtr) monitor)->nHsync;
 | 
						|
        break;
 | 
						|
    case VIDMODE_MON_NVREFRESH:
 | 
						|
        ret.i = ((MonPtr) monitor)->nVrefresh;
 | 
						|
        break;
 | 
						|
    case VIDMODE_MON_HSYNC_LO:
 | 
						|
        ret.f = (100.0 * ((MonPtr) monitor)->hsync[indx].lo);
 | 
						|
        break;
 | 
						|
    case VIDMODE_MON_HSYNC_HI:
 | 
						|
        ret.f = (100.0 * ((MonPtr) monitor)->hsync[indx].hi);
 | 
						|
        break;
 | 
						|
    case VIDMODE_MON_VREFRESH_LO:
 | 
						|
        ret.f = (100.0 * ((MonPtr) monitor)->vrefresh[indx].lo);
 | 
						|
        break;
 | 
						|
    case VIDMODE_MON_VREFRESH_HI:
 | 
						|
        ret.f = (100.0 * ((MonPtr) monitor)->vrefresh[indx].hi);
 | 
						|
        break;
 | 
						|
    }
 | 
						|
    return ret;
 | 
						|
}
 | 
						|
 | 
						|
#endif                          /* XF86VIDMODE */
 |