679 lines
20 KiB
C
679 lines
20 KiB
C
/*
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* Quartz-specific support for the XRandR extension
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*
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* Copyright (c) 2001-2004 Greg Parker and Torrey T. Lyons,
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* 2010 Jan Hauffa.
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* 2010-2012 Apple Inc.
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* All Rights Reserved.
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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 ABOVE LISTED COPYRIGHT HOLDER(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 OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name(s) of the above copyright
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* holders shall not be used in advertising or otherwise to promote the sale,
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* use or other dealings in this Software without prior written authorization.
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*/
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#include "sanitizedCarbon.h"
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "quartzCommon.h"
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#include "quartzRandR.h"
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#include "quartz.h"
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#include "darwin.h"
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#include "X11Application.h"
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#include <AvailabilityMacros.h>
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#include <X11/extensions/randr.h>
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#include <randrstr.h>
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#include <IOKit/graphics/IOGraphicsTypes.h>
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/* TODO: UGLY, find a better way!
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* We want to ignore kXquartzDisplayChanged which are generated by us
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*/
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static Bool ignore_next_fake_mode_update = FALSE;
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#define FAKE_REFRESH_ROOTLESS 1
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#define FAKE_REFRESH_FULLSCREEN 2
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#define DEFAULT_REFRESH 60
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#define kDisplayModeUsableFlags (kDisplayModeValidFlag | kDisplayModeSafeFlag)
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#define CALLBACK_SUCCESS 0
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#define CALLBACK_CONTINUE 1
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#define CALLBACK_ERROR -1
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typedef int (*QuartzModeCallback)
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(ScreenPtr, QuartzModeInfoPtr, void *);
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#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
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static long
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getDictLong(CFDictionaryRef dictRef, CFStringRef key)
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{
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long value;
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CFNumberRef numRef = (CFNumberRef)CFDictionaryGetValue(dictRef, key);
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if (!numRef)
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return 0;
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if (!CFNumberGetValue(numRef, kCFNumberLongType, &value))
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return 0;
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return value;
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}
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static double
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getDictDouble(CFDictionaryRef dictRef, CFStringRef key)
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{
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double value;
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CFNumberRef numRef = (CFNumberRef)CFDictionaryGetValue(dictRef, key);
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if (!numRef)
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return 0.0;
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if (!CFNumberGetValue(numRef, kCFNumberDoubleType, &value))
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return 0.0;
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return value;
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}
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static void
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QuartzRandRGetModeInfo(CFDictionaryRef modeRef,
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QuartzModeInfoPtr pMode)
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{
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pMode->width = (size_t)getDictLong(modeRef, kCGDisplayWidth);
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pMode->height = (size_t)getDictLong(modeRef, kCGDisplayHeight);
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pMode->refresh =
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(int)(getDictDouble(modeRef, kCGDisplayRefreshRate) + 0.5);
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if (pMode->refresh == 0)
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pMode->refresh = DEFAULT_REFRESH;
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pMode->ref = NULL;
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pMode->pSize = NULL;
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}
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static Bool
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QuartzRandRCopyCurrentModeInfo(CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode)
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{
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CFDictionaryRef curModeRef = CGDisplayCurrentMode(screenId);
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if (!curModeRef)
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return FALSE;
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QuartzRandRGetModeInfo(curModeRef, pMode);
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pMode->ref = (void *)curModeRef;
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CFRetain(pMode->ref);
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return TRUE;
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}
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static Bool
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QuartzRandRSetCGMode(CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode)
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{
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CFDictionaryRef modeRef = (CFDictionaryRef)pMode->ref;
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return (CGDisplaySwitchToMode(screenId, modeRef) == kCGErrorSuccess);
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}
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static Bool
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QuartzRandREnumerateModes(ScreenPtr pScreen,
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QuartzModeCallback callback,
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void *data)
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{
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Bool retval = FALSE;
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QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
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/* Just an 800x600 fallback if we have no attached heads */
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if (pQuartzScreen->displayIDs) {
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CFDictionaryRef curModeRef, modeRef;
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long curBpp;
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CFArrayRef modes;
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QuartzModeInfo modeInfo;
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int i;
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CGDirectDisplayID screenId = pQuartzScreen->displayIDs[0];
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curModeRef = CGDisplayCurrentMode(screenId);
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if (!curModeRef)
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return FALSE;
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curBpp = getDictLong(curModeRef, kCGDisplayBitsPerPixel);
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modes = CGDisplayAvailableModes(screenId);
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if (!modes)
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return FALSE;
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for (i = 0; i < CFArrayGetCount(modes); i++) {
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int cb;
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modeRef = (CFDictionaryRef)CFArrayGetValueAtIndex(modes, i);
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/* Skip modes that are not usable on the current display or have a
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different pixel encoding than the current mode. */
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if (((unsigned long)getDictLong(modeRef, kCGDisplayIOFlags) &
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kDisplayModeUsableFlags) != kDisplayModeUsableFlags)
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continue;
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if (getDictLong(modeRef, kCGDisplayBitsPerPixel) != curBpp)
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continue;
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QuartzRandRGetModeInfo(modeRef, &modeInfo);
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modeInfo.ref = (void *)modeRef;
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cb = callback(pScreen, &modeInfo, data);
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if (cb == CALLBACK_CONTINUE)
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retval = TRUE;
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else if (cb == CALLBACK_SUCCESS)
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return TRUE;
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else if (cb == CALLBACK_ERROR)
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return FALSE;
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}
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}
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switch (callback(pScreen, &pQuartzScreen->rootlessMode, data)) {
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case CALLBACK_SUCCESS:
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return TRUE;
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case CALLBACK_ERROR:
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return FALSE;
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case CALLBACK_CONTINUE:
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retval = TRUE;
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default:
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break;
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}
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switch (callback(pScreen, &pQuartzScreen->fullscreenMode, data)) {
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case CALLBACK_SUCCESS:
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return TRUE;
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case CALLBACK_ERROR:
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return FALSE;
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case CALLBACK_CONTINUE:
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retval = TRUE;
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default:
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break;
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}
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return retval;
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}
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#else /* we have the new CG APIs from Snow Leopard */
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static void
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QuartzRandRGetModeInfo(CGDisplayModeRef modeRef,
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QuartzModeInfoPtr pMode)
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{
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pMode->width = CGDisplayModeGetWidth(modeRef);
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pMode->height = CGDisplayModeGetHeight(modeRef);
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pMode->refresh = (int)(CGDisplayModeGetRefreshRate(modeRef) + 0.5);
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if (pMode->refresh == 0)
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pMode->refresh = DEFAULT_REFRESH;
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pMode->ref = NULL;
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pMode->pSize = NULL;
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}
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static Bool
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QuartzRandRCopyCurrentModeInfo(CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode)
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{
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CGDisplayModeRef curModeRef = CGDisplayCopyDisplayMode(screenId);
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if (!curModeRef)
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return FALSE;
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QuartzRandRGetModeInfo(curModeRef, pMode);
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pMode->ref = curModeRef;
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return TRUE;
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}
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static Bool
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QuartzRandRSetCGMode(CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode)
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{
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CGDisplayModeRef modeRef = (CGDisplayModeRef)pMode->ref;
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if (!modeRef)
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return FALSE;
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return (CGDisplaySetDisplayMode(screenId, modeRef,
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NULL) == kCGErrorSuccess);
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}
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static Bool
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QuartzRandREnumerateModes(ScreenPtr pScreen,
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QuartzModeCallback callback,
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void *data)
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{
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Bool retval = FALSE;
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QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
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/* Just an 800x600 fallback if we have no attached heads */
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if (pQuartzScreen->displayIDs) {
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CGDisplayModeRef curModeRef, modeRef;
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CFStringRef curPixelEnc, pixelEnc;
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CFComparisonResult pixelEncEqual;
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CFArrayRef modes;
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QuartzModeInfo modeInfo;
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int i;
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CGDirectDisplayID screenId = pQuartzScreen->displayIDs[0];
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curModeRef = CGDisplayCopyDisplayMode(screenId);
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if (!curModeRef)
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return FALSE;
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curPixelEnc = CGDisplayModeCopyPixelEncoding(curModeRef);
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CGDisplayModeRelease(curModeRef);
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modes = CGDisplayCopyAllDisplayModes(screenId, NULL);
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if (!modes) {
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CFRelease(curPixelEnc);
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return FALSE;
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}
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for (i = 0; i < CFArrayGetCount(modes); i++) {
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int cb;
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modeRef = (CGDisplayModeRef)CFArrayGetValueAtIndex(modes, i);
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/* Skip modes that are not usable on the current display or have a
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different pixel encoding than the current mode. */
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if ((CGDisplayModeGetIOFlags(modeRef) &
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kDisplayModeUsableFlags) !=
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kDisplayModeUsableFlags)
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continue;
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pixelEnc = CGDisplayModeCopyPixelEncoding(modeRef);
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pixelEncEqual = CFStringCompare(pixelEnc, curPixelEnc, 0);
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CFRelease(pixelEnc);
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if (pixelEncEqual != kCFCompareEqualTo)
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continue;
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QuartzRandRGetModeInfo(modeRef, &modeInfo);
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modeInfo.ref = modeRef;
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cb = callback(pScreen, &modeInfo, data);
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if (cb == CALLBACK_CONTINUE) {
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retval = TRUE;
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}
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else if (cb == CALLBACK_SUCCESS) {
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CFRelease(modes);
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CFRelease(curPixelEnc);
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return TRUE;
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}
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else if (cb == CALLBACK_ERROR) {
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CFRelease(modes);
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CFRelease(curPixelEnc);
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return FALSE;
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}
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}
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CFRelease(modes);
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CFRelease(curPixelEnc);
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}
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switch (callback(pScreen, &pQuartzScreen->rootlessMode, data)) {
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case CALLBACK_SUCCESS:
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return TRUE;
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case CALLBACK_ERROR:
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return FALSE;
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case CALLBACK_CONTINUE:
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retval = TRUE;
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default:
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break;
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}
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switch (callback(pScreen, &pQuartzScreen->fullscreenMode, data)) {
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case CALLBACK_SUCCESS:
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return TRUE;
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case CALLBACK_ERROR:
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return FALSE;
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case CALLBACK_CONTINUE:
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retval = TRUE;
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default:
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break;
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}
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return retval;
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}
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#endif /* Snow Leopard CoreGraphics APIs */
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static Bool
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QuartzRandRModesEqual(QuartzModeInfoPtr pMode1,
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QuartzModeInfoPtr pMode2)
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{
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return (pMode1->width == pMode2->width) &&
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(pMode1->height == pMode2->height) &&
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(pMode1->refresh == pMode2->refresh);
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}
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static Bool
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QuartzRandRRegisterMode(ScreenPtr pScreen,
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QuartzModeInfoPtr pMode)
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{
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QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
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Bool isCurrentMode = QuartzRandRModesEqual(&pQuartzScreen->currentMode,
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pMode);
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/* TODO: DPI */
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pMode->pSize =
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RRRegisterSize(pScreen, pMode->width, pMode->height, pScreen->mmWidth,
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pScreen->mmHeight);
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if (pMode->pSize) {
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//DEBUG_LOG("registering: %d x %d @ %d %s\n", (int)pMode->width, (int)pMode->height, (int)pMode->refresh, isCurrentMode ? "*" : "");
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RRRegisterRate(pScreen, pMode->pSize, pMode->refresh);
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if (isCurrentMode)
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RRSetCurrentConfig(pScreen, RR_Rotate_0, pMode->refresh,
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pMode->pSize);
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return TRUE;
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}
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return FALSE;
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}
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static int
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QuartzRandRRegisterModeCallback(ScreenPtr pScreen,
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QuartzModeInfoPtr pMode,
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void *data __unused)
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{
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if (QuartzRandRRegisterMode(pScreen, pMode)) {
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return CALLBACK_CONTINUE;
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}
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else {
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return CALLBACK_ERROR;
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}
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}
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static Bool
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QuartzRandRSetMode(ScreenPtr pScreen, QuartzModeInfoPtr pMode,
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BOOL doRegister)
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{
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QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
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Bool captureDisplay =
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(pMode->refresh != FAKE_REFRESH_FULLSCREEN && pMode->refresh !=
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FAKE_REFRESH_ROOTLESS);
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CGDirectDisplayID screenId;
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if (pQuartzScreen->displayIDs == NULL)
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return FALSE;
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screenId = pQuartzScreen->displayIDs[0];
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if (XQuartzShieldingWindowLevel == 0 && captureDisplay) {
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if (!X11ApplicationCanEnterRandR())
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return FALSE;
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CGCaptureAllDisplays();
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XQuartzShieldingWindowLevel = CGShieldingWindowLevel(); // 2147483630
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DEBUG_LOG("Display captured. ShieldWindowID: %u, Shield level: %d\n",
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CGShieldingWindowID(screenId), XQuartzShieldingWindowLevel);
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}
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if (pQuartzScreen->currentMode.ref &&
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CFEqual(pMode->ref, pQuartzScreen->currentMode.ref)) {
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DEBUG_LOG("Requested RandR resolution matches current CG mode\n");
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}
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if (QuartzRandRSetCGMode(screenId, pMode)) {
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ignore_next_fake_mode_update = TRUE;
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}
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else {
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DEBUG_LOG("Error while requesting CG resolution change.\n");
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return FALSE;
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}
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/* If the client requested the fake rootless mode, switch to rootless.
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* Otherwise, force fullscreen mode.
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*/
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QuartzSetRootless(pMode->refresh == FAKE_REFRESH_ROOTLESS);
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if (pMode->refresh != FAKE_REFRESH_ROOTLESS) {
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QuartzShowFullscreen(TRUE);
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}
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if (pQuartzScreen->currentMode.ref)
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CFRelease(pQuartzScreen->currentMode.ref);
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pQuartzScreen->currentMode = *pMode;
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if (pQuartzScreen->currentMode.ref)
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CFRetain(pQuartzScreen->currentMode.ref);
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if (XQuartzShieldingWindowLevel != 0 && !captureDisplay) {
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CGReleaseAllDisplays();
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XQuartzShieldingWindowLevel = 0;
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}
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return TRUE;
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}
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static int
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QuartzRandRSetModeCallback(ScreenPtr pScreen,
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QuartzModeInfoPtr pMode,
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void *data)
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{
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QuartzModeInfoPtr pReqMode = (QuartzModeInfoPtr)data;
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if (!QuartzRandRModesEqual(pMode, pReqMode))
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return CALLBACK_CONTINUE; /* continue enumeration */
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DEBUG_LOG("Found a match for requested RandR resolution (%dx%d@%d).\n",
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(int)pMode->width, (int)pMode->height, (int)pMode->refresh);
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if (QuartzRandRSetMode(pScreen, pMode, FALSE))
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return CALLBACK_SUCCESS;
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else
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return CALLBACK_ERROR;
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}
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static Bool
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QuartzRandRGetInfo(ScreenPtr pScreen, Rotation *rotations)
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{
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*rotations = RR_Rotate_0; /* TODO: support rotation */
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return QuartzRandREnumerateModes(pScreen, QuartzRandRRegisterModeCallback,
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NULL);
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}
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static Bool
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QuartzRandRSetConfig(ScreenPtr pScreen,
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Rotation randr,
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int rate,
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RRScreenSizePtr pSize)
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{
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QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
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QuartzModeInfo reqMode;
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reqMode.width = pSize->width;
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reqMode.height = pSize->height;
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reqMode.refresh = rate;
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/* Do not switch modes if requested mode is equal to current mode. */
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if (QuartzRandRModesEqual(&reqMode, &pQuartzScreen->currentMode))
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return TRUE;
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if (QuartzRandREnumerateModes(pScreen, QuartzRandRSetModeCallback,
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&reqMode)) {
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return TRUE;
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}
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DEBUG_LOG("Unable to find a matching config: %d x %d @ %d\n",
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(int)reqMode.width, (int)reqMode.height,
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(int)reqMode.refresh);
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return FALSE;
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}
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static Bool
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_QuartzRandRUpdateFakeModes(ScreenPtr pScreen)
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{
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QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
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QuartzModeInfo activeMode;
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if (pQuartzScreen->displayCount > 0) {
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if (!QuartzRandRCopyCurrentModeInfo(pQuartzScreen->displayIDs[0],
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&activeMode)) {
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ErrorF("Unable to determine current display mode.\n");
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return FALSE;
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}
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}
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else {
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memset(&activeMode, 0, sizeof(activeMode));
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activeMode.width = 800;
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activeMode.height = 600;
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activeMode.refresh = 60;
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}
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if (pQuartzScreen->fullscreenMode.ref)
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CFRelease(pQuartzScreen->fullscreenMode.ref);
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if (pQuartzScreen->currentMode.ref)
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CFRelease(pQuartzScreen->currentMode.ref);
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if (pQuartzScreen->displayCount > 1) {
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activeMode.width = pScreen->width;
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|
activeMode.height = pScreen->height;
|
|
if (XQuartzIsRootless)
|
|
activeMode.height += aquaMenuBarHeight;
|
|
}
|
|
|
|
pQuartzScreen->fullscreenMode = activeMode;
|
|
pQuartzScreen->fullscreenMode.refresh = FAKE_REFRESH_FULLSCREEN;
|
|
|
|
pQuartzScreen->rootlessMode = activeMode;
|
|
pQuartzScreen->rootlessMode.refresh = FAKE_REFRESH_ROOTLESS;
|
|
pQuartzScreen->rootlessMode.height -= aquaMenuBarHeight;
|
|
|
|
if (XQuartzIsRootless) {
|
|
pQuartzScreen->currentMode = pQuartzScreen->rootlessMode;
|
|
}
|
|
else {
|
|
pQuartzScreen->currentMode = pQuartzScreen->fullscreenMode;
|
|
}
|
|
|
|
/* This extra retain is for currentMode's copy.
|
|
* fullscreen and rootless share a retain.
|
|
*/
|
|
if (pQuartzScreen->currentMode.ref)
|
|
CFRetain(pQuartzScreen->currentMode.ref);
|
|
|
|
DEBUG_LOG("rootlessMode: %d x %d\n",
|
|
(int)pQuartzScreen->rootlessMode.width,
|
|
(int)pQuartzScreen->rootlessMode.height);
|
|
DEBUG_LOG("fullscreenMode: %d x %d\n",
|
|
(int)pQuartzScreen->fullscreenMode.width,
|
|
(int)pQuartzScreen->fullscreenMode.height);
|
|
DEBUG_LOG("currentMode: %d x %d\n", (int)pQuartzScreen->currentMode.width,
|
|
(int)pQuartzScreen->currentMode.height);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
QuartzRandRUpdateFakeModes(BOOL force_update)
|
|
{
|
|
ScreenPtr pScreen = screenInfo.screens[0];
|
|
|
|
if (ignore_next_fake_mode_update) {
|
|
DEBUG_LOG(
|
|
"Ignoring update request caused by RandR resolution change.\n");
|
|
ignore_next_fake_mode_update = FALSE;
|
|
return TRUE;
|
|
}
|
|
|
|
if (!_QuartzRandRUpdateFakeModes(pScreen))
|
|
return FALSE;
|
|
|
|
if (force_update)
|
|
RRGetInfo(pScreen, TRUE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
QuartzRandRInit(ScreenPtr pScreen)
|
|
{
|
|
rrScrPrivPtr pScrPriv;
|
|
|
|
if (!RRScreenInit(pScreen)) return FALSE;
|
|
if (!_QuartzRandRUpdateFakeModes(pScreen)) return FALSE;
|
|
|
|
pScrPriv = rrGetScrPriv(pScreen);
|
|
pScrPriv->rrGetInfo = QuartzRandRGetInfo;
|
|
pScrPriv->rrSetConfig = QuartzRandRSetConfig;
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
QuartzRandRSetFakeRootless(void)
|
|
{
|
|
int i;
|
|
|
|
DEBUG_LOG("QuartzRandRSetFakeRootless called.\n");
|
|
|
|
for (i = 0; i < screenInfo.numScreens; i++) {
|
|
ScreenPtr pScreen = screenInfo.screens[i];
|
|
QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
|
|
|
|
QuartzRandRSetMode(pScreen, &pQuartzScreen->rootlessMode, TRUE);
|
|
}
|
|
}
|
|
|
|
void
|
|
QuartzRandRSetFakeFullscreen(BOOL state)
|
|
{
|
|
int i;
|
|
|
|
DEBUG_LOG("QuartzRandRSetFakeFullscreen called.\n");
|
|
|
|
for (i = 0; i < screenInfo.numScreens; i++) {
|
|
ScreenPtr pScreen = screenInfo.screens[i];
|
|
QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
|
|
|
|
QuartzRandRSetMode(pScreen, &pQuartzScreen->fullscreenMode, TRUE);
|
|
}
|
|
|
|
QuartzShowFullscreen(state);
|
|
}
|
|
|
|
/* Toggle fullscreen mode. If "fake" fullscreen is the current mode,
|
|
* this will just show/hide the X11 windows. If we are in a RandR fullscreen
|
|
* mode, this will toggles us to the default fake mode and hide windows if
|
|
* it is fullscreen
|
|
*/
|
|
void
|
|
QuartzRandRToggleFullscreen(void)
|
|
{
|
|
ScreenPtr pScreen = screenInfo.screens[0];
|
|
QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
|
|
|
|
if (pQuartzScreen->currentMode.ref == NULL) {
|
|
ErrorF(
|
|
"Ignoring QuartzRandRToggleFullscreen because don't have a current mode set.\n");
|
|
}
|
|
else if (pQuartzScreen->currentMode.refresh == FAKE_REFRESH_ROOTLESS) {
|
|
ErrorF(
|
|
"Ignoring QuartzRandRToggleFullscreen because we are in rootless mode.\n");
|
|
}
|
|
else if (pQuartzScreen->currentMode.refresh == FAKE_REFRESH_FULLSCREEN) {
|
|
/* Legacy fullscreen mode. Hide/Show */
|
|
QuartzShowFullscreen(!XQuartzFullscreenVisible);
|
|
}
|
|
else {
|
|
/* RandR fullscreen mode. Return to default mode and hide if it is fullscreen. */
|
|
if (XQuartzRootlessDefault) {
|
|
QuartzRandRSetFakeRootless();
|
|
}
|
|
else {
|
|
QuartzRandRSetFakeFullscreen(FALSE);
|
|
}
|
|
}
|
|
}
|