586 lines
20 KiB
C
586 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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* 2010-2011 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 getDictLong (CFDictionaryRef dictRef, CFStringRef key) {
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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 getDictDouble (CFDictionaryRef dictRef, CFStringRef key) {
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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 QuartzRandRGetModeInfo (CFDictionaryRef modeRef,
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QuartzModeInfoPtr pMode) {
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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 = (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 QuartzRandRCopyCurrentModeInfo (CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode) {
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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 QuartzRandRSetCGMode (CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode) {
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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 QuartzRandREnumerateModes (ScreenPtr pScreen,
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QuartzModeCallback callback,
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void *data) {
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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 QuartzRandRGetModeInfo (CGDisplayModeRef modeRef,
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QuartzModeInfoPtr pMode) {
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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 QuartzRandRCopyCurrentModeInfo (CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode) {
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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 QuartzRandRSetCGMode (CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode) {
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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, NULL) == kCGErrorSuccess);
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}
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static Bool QuartzRandREnumerateModes (ScreenPtr pScreen,
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QuartzModeCallback callback,
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void *data) {
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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) & 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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} 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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} 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 QuartzRandRModesEqual (QuartzModeInfoPtr pMode1,
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QuartzModeInfoPtr pMode2) {
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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 QuartzRandRRegisterMode (ScreenPtr pScreen,
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QuartzModeInfoPtr pMode) {
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QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
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Bool isCurrentMode = QuartzRandRModesEqual(&pQuartzScreen->currentMode, pMode);
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/* TODO: DPI */
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pMode->pSize = RRRegisterSize(pScreen, pMode->width, pMode->height, pScreen->mmWidth, 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, 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 QuartzRandRRegisterModeCallback (ScreenPtr pScreen,
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QuartzModeInfoPtr pMode,
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void *data __unused) {
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if(QuartzRandRRegisterMode(pScreen, pMode)) {
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return CALLBACK_CONTINUE;
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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 QuartzRandRSetMode(ScreenPtr pScreen, QuartzModeInfoPtr pMode, BOOL doRegister) {
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QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
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Bool captureDisplay = (pMode->refresh != FAKE_REFRESH_FULLSCREEN && pMode->refresh != 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 && CFEqual(pMode->ref, pQuartzScreen->currentMode.ref)) {
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DEBUG_LOG("Requested RandR resolution matches current CG mode\n");
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} if (QuartzRandRSetCGMode(screenId, pMode)) {
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ignore_next_fake_mode_update = TRUE;
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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 QuartzRandRSetModeCallback (ScreenPtr pScreen,
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QuartzModeInfoPtr pMode,
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void *data) {
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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", (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 QuartzRandRGetInfo (ScreenPtr pScreen, Rotation *rotations) {
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*rotations = RR_Rotate_0; /* TODO: support rotation */
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return QuartzRandREnumerateModes(pScreen, QuartzRandRRegisterModeCallback, NULL);
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}
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static Bool 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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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, &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", (int)reqMode.width, (int)reqMode.height, (int)reqMode.refresh);
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return FALSE;
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}
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static Bool _QuartzRandRUpdateFakeModes (ScreenPtr pScreen) {
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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], &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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} 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;
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if(XQuartzIsRootless)
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activeMode.height += aquaMenuBarHeight;
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}
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pQuartzScreen->fullscreenMode = activeMode;
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pQuartzScreen->fullscreenMode.refresh = FAKE_REFRESH_FULLSCREEN;
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pQuartzScreen->rootlessMode = activeMode;
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pQuartzScreen->rootlessMode.refresh = FAKE_REFRESH_ROOTLESS;
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pQuartzScreen->rootlessMode.height -= aquaMenuBarHeight;
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if(XQuartzIsRootless) {
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pQuartzScreen->currentMode = pQuartzScreen->rootlessMode;
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} else {
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pQuartzScreen->currentMode = pQuartzScreen->fullscreenMode;
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}
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/* This extra retain is for currentMode's copy.
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* fullscreen and rootless share a retain.
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*/
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if(pQuartzScreen->currentMode.ref)
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CFRetain(pQuartzScreen->currentMode.ref);
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DEBUG_LOG("rootlessMode: %d x %d\n", (int)pQuartzScreen->rootlessMode.width, (int)pQuartzScreen->rootlessMode.height);
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DEBUG_LOG("fullscreenMode: %d x %d\n", (int)pQuartzScreen->fullscreenMode.width, (int)pQuartzScreen->fullscreenMode.height);
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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);
|
|
}
|
|
}
|
|
}
|