676 lines
15 KiB
C
676 lines
15 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 int VidModeGeneration = 0;
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static int VidModeIndex = -1;
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static int VidModeCount = 0;
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static Bool VidModeClose(int i, ScreenPtr pScreen);
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#define VMPTR(p) ((VidModePtr)(p)->devPrivates[VidModeIndex].ptr)
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#endif
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#ifdef DEBUG
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# define DEBUG_P(x) ErrorF(x"\n");
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#else
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# define DEBUG_P(x) /**/
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#endif
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_X_EXPORT 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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DEBUG_P("!xf86GetVidModeEnabled()");
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return FALSE;
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}
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if (serverGeneration != VidModeGeneration) {
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if ((VidModeIndex = AllocateScreenPrivateIndex()) < 0) {
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DEBUG_P("AllocateScreenPrivateIndex() failed");
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return FALSE;
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}
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VidModeGeneration = serverGeneration;
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}
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if (!(pScreen->devPrivates[VidModeIndex].ptr = xcalloc(sizeof(VidModeRec), 1))) {
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DEBUG_P("xcalloc failed");
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return FALSE;
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}
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pVidMode = VMPTR(pScreen);
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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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DEBUG_P("no vidmode extension");
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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(int i, 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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if (pScreen->devPrivates[VidModeIndex].ptr)
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xfree(pScreen->devPrivates[VidModeIndex].ptr);
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pScreen->devPrivates[VidModeIndex].ptr = NULL;
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VidModeIndex = -1;
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}
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return pScreen->CloseScreen(i, 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 (VidModeIndex < 0) {
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DEBUG_P("VidModeIndex < 0");
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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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DEBUG_P("pScrn == NULL");
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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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DEBUG_P("pVidMode == NULL");
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return FALSE;
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}
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}
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_X_EXPORT Bool
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VidModeGetCurrentModeline(int scrnIndex, pointer *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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*mode = (pointer)(pScrn->currentMode);
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*dotClock = pScrn->currentMode->Clock;
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return TRUE;
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}
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_X_EXPORT 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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_X_EXPORT 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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} 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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_X_EXPORT 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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_X_EXPORT Bool
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VidModeGetFirstModeline(int scrnIndex, pointer *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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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 = (pointer)(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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_X_EXPORT Bool
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VidModeGetNextModeline(int scrnIndex, pointer *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 = (pointer)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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_X_EXPORT Bool
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VidModeDeleteModeline(int scrnIndex, pointer 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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_X_EXPORT 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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_X_EXPORT 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)(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
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return TRUE;
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}
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_X_EXPORT 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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_X_EXPORT Bool
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VidModeSwitchMode(int scrnIndex, pointer 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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_X_EXPORT 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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_X_EXPORT Bool
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VidModeGetMonitor(int scrnIndex, pointer *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 = (pointer)(pScrn->monitor);
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return TRUE;
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}
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_X_EXPORT ModeStatus
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VidModeCheckModeForMonitor(int scrnIndex, pointer 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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_X_EXPORT ModeStatus
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VidModeCheckModeForDriver(int scrnIndex, pointer 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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_X_EXPORT void
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VidModeSetCrtcForMode(int scrnIndex, pointer 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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_X_EXPORT Bool
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VidModeAddModeline(int scrnIndex, pointer 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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_X_EXPORT int
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VidModeGetNumOfModes(int scrnIndex)
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{
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pointer 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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_X_EXPORT 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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_X_EXPORT Bool
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VidModeGetGamma(int scrnIndex, float *red, float *green, float *blue)
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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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*red = pScrn->gamma.red;
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*green = pScrn->gamma.green;
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*blue = pScrn->gamma.blue;
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return TRUE;
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}
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_X_EXPORT Bool
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VidModeSetGammaRamp(int scrnIndex, int size, CARD16 *r, CARD16 *g, CARD16 *b)
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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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xf86ChangeGammaRamp(pScrn->pScreen, size, r, g, b);
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return TRUE;
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}
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_X_EXPORT Bool
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VidModeGetGammaRamp(int scrnIndex, int size, CARD16 *r, CARD16 *g, CARD16 *b)
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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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xf86GetGammaRamp(pScrn->pScreen, size, r, g, b);
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return TRUE;
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}
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_X_EXPORT int
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VidModeGetGammaRampSize(int scrnIndex)
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{
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if (!VidModeAvailable(scrnIndex))
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return 0;
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return xf86GetGammaRampSize(xf86Screens[scrnIndex]->pScreen);
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}
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_X_EXPORT pointer
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VidModeCreateMode(void)
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{
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DisplayModePtr mode;
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mode = xalloc(sizeof(DisplayModeRec));
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if (mode != NULL) {
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mode->name = "";
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mode->VScan = 1; /* divides refresh rate. default = 1 */
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mode->Private = NULL;
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mode->next = mode;
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mode->prev = mode;
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}
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return mode;
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}
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_X_EXPORT void
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VidModeCopyMode(pointer modefrom, pointer modeto)
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{
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memcpy(modeto, modefrom, sizeof(DisplayModeRec));
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}
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_X_EXPORT int
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VidModeGetModeValue(pointer mode, int valtyp)
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{
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int ret = 0;
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switch (valtyp) {
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case VIDMODE_H_DISPLAY:
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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;
|
|
}
|
|
|
|
_X_EXPORT void
|
|
VidModeSetModeValue(pointer 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;
|
|
}
|
|
|
|
_X_EXPORT vidMonitorValue
|
|
VidModeGetMonitorValue(pointer monitor, int valtyp, int indx)
|
|
{
|
|
vidMonitorValue ret;
|
|
|
|
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 */
|