diff options
Diffstat (limited to 'xorg-server/hw/xquartz/quartzRandR.c')
| -rw-r--r-- | xorg-server/hw/xquartz/quartzRandR.c | 1170 |
1 files changed, 585 insertions, 585 deletions
diff --git a/xorg-server/hw/xquartz/quartzRandR.c b/xorg-server/hw/xquartz/quartzRandR.c index 98b382d65..651352b79 100644 --- a/xorg-server/hw/xquartz/quartzRandR.c +++ b/xorg-server/hw/xquartz/quartzRandR.c @@ -1,585 +1,585 @@ -/* - * Quartz-specific support for the XRandR extension - * - * Copyright (c) 2001-2004 Greg Parker and Torrey T. Lyons, - * 2010 Jan Hauffa. - * 2010-2011 Apple Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Except as contained in this notice, the name(s) of the above copyright - * holders shall not be used in advertising or otherwise to promote the sale, - * use or other dealings in this Software without prior written authorization. - */ - -#include "sanitizedCarbon.h" - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "quartzCommon.h" -#include "quartzRandR.h" -#include "quartz.h" -#include "darwin.h" - -#include "X11Application.h" - -#include <AvailabilityMacros.h> - -#include <X11/extensions/randr.h> -#include <randrstr.h> -#include <IOKit/graphics/IOGraphicsTypes.h> - -/* TODO: UGLY, find a better way! - * We want to ignore kXquartzDisplayChanged which are generated by us - */ -static Bool ignore_next_fake_mode_update = FALSE; - -#define FAKE_REFRESH_ROOTLESS 1 -#define FAKE_REFRESH_FULLSCREEN 2 - -#define DEFAULT_REFRESH 60 -#define kDisplayModeUsableFlags (kDisplayModeValidFlag | kDisplayModeSafeFlag) - -#define CALLBACK_SUCCESS 0 -#define CALLBACK_CONTINUE 1 -#define CALLBACK_ERROR -1 - -typedef int (*QuartzModeCallback) - (ScreenPtr, QuartzModeInfoPtr, void *); - -#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060 - -static long getDictLong (CFDictionaryRef dictRef, CFStringRef key) { - long value; - - CFNumberRef numRef = (CFNumberRef) CFDictionaryGetValue(dictRef, key); - if (!numRef) - return 0; - - if (!CFNumberGetValue(numRef, kCFNumberLongType, &value)) - return 0; - return value; -} - -static double getDictDouble (CFDictionaryRef dictRef, CFStringRef key) { - double value; - - CFNumberRef numRef = (CFNumberRef) CFDictionaryGetValue(dictRef, key); - if (!numRef) - return 0.0; - - if (!CFNumberGetValue(numRef, kCFNumberDoubleType, &value)) - return 0.0; - return value; -} - -static void QuartzRandRGetModeInfo (CFDictionaryRef modeRef, - QuartzModeInfoPtr pMode) { - pMode->width = (size_t) getDictLong(modeRef, kCGDisplayWidth); - pMode->height = (size_t) getDictLong(modeRef, kCGDisplayHeight); - pMode->refresh = (int)(getDictDouble(modeRef, kCGDisplayRefreshRate) + 0.5); - if (pMode->refresh == 0) - pMode->refresh = DEFAULT_REFRESH; - pMode->ref = NULL; - pMode->pSize = NULL; -} - -static Bool QuartzRandRCopyCurrentModeInfo (CGDirectDisplayID screenId, - QuartzModeInfoPtr pMode) { - CFDictionaryRef curModeRef = CGDisplayCurrentMode(screenId); - if (!curModeRef) - return FALSE; - - QuartzRandRGetModeInfo(curModeRef, pMode); - pMode->ref = (void *)curModeRef; - CFRetain(pMode->ref); - return TRUE; -} - -static Bool QuartzRandRSetCGMode (CGDirectDisplayID screenId, - QuartzModeInfoPtr pMode) { - CFDictionaryRef modeRef = (CFDictionaryRef) pMode->ref; - return (CGDisplaySwitchToMode(screenId, modeRef) == kCGErrorSuccess); -} - -static Bool QuartzRandREnumerateModes (ScreenPtr pScreen, - QuartzModeCallback callback, - void *data) { - Bool retval = FALSE; - QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen); - - /* Just an 800x600 fallback if we have no attached heads */ - if(pQuartzScreen->displayIDs) { - CFDictionaryRef curModeRef, modeRef; - long curBpp; - CFArrayRef modes; - QuartzModeInfo modeInfo; - int i; - CGDirectDisplayID screenId = pQuartzScreen->displayIDs[0]; - - curModeRef = CGDisplayCurrentMode(screenId); - if (!curModeRef) - return FALSE; - curBpp = getDictLong(curModeRef, kCGDisplayBitsPerPixel); - - modes = CGDisplayAvailableModes(screenId); - if (!modes) - return FALSE; - for (i = 0; i < CFArrayGetCount(modes); i++) { - int cb; - modeRef = (CFDictionaryRef) CFArrayGetValueAtIndex(modes, i); - - /* Skip modes that are not usable on the current display or have a - different pixel encoding than the current mode. */ - if (((unsigned long) getDictLong(modeRef, kCGDisplayIOFlags) & - kDisplayModeUsableFlags) != kDisplayModeUsableFlags) - continue; - if (getDictLong(modeRef, kCGDisplayBitsPerPixel) != curBpp) - continue; - - QuartzRandRGetModeInfo(modeRef, &modeInfo); - modeInfo.ref = (void *)modeRef; - cb = callback(pScreen, &modeInfo, data); - if (cb == CALLBACK_CONTINUE) - retval = TRUE; - else if (cb == CALLBACK_SUCCESS) - return TRUE; - else if (cb == CALLBACK_ERROR) - return FALSE; - } - } - - switch(callback(pScreen, &pQuartzScreen->rootlessMode, data)) { - case CALLBACK_SUCCESS: - return TRUE; - case CALLBACK_ERROR: - return FALSE; - case CALLBACK_CONTINUE: - retval = TRUE; - default: - break; - } - - switch(callback(pScreen, &pQuartzScreen->fullscreenMode, data)) { - case CALLBACK_SUCCESS: - return TRUE; - case CALLBACK_ERROR: - return FALSE; - case CALLBACK_CONTINUE: - retval = TRUE; - default: - break; - } - - return retval; -} - -#else /* we have the new CG APIs from Snow Leopard */ - -static void QuartzRandRGetModeInfo (CGDisplayModeRef modeRef, - QuartzModeInfoPtr pMode) { - pMode->width = CGDisplayModeGetWidth(modeRef); - pMode->height = CGDisplayModeGetHeight(modeRef); - pMode->refresh = (int) (CGDisplayModeGetRefreshRate(modeRef) + 0.5); - if (pMode->refresh == 0) - pMode->refresh = DEFAULT_REFRESH; - pMode->ref = NULL; - pMode->pSize = NULL; -} - -static Bool QuartzRandRCopyCurrentModeInfo (CGDirectDisplayID screenId, - QuartzModeInfoPtr pMode) { - CGDisplayModeRef curModeRef = CGDisplayCopyDisplayMode(screenId); - if (!curModeRef) - return FALSE; - - QuartzRandRGetModeInfo(curModeRef, pMode); - pMode->ref = curModeRef; - return TRUE; -} - -static Bool QuartzRandRSetCGMode (CGDirectDisplayID screenId, - QuartzModeInfoPtr pMode) { - CGDisplayModeRef modeRef = (CGDisplayModeRef) pMode->ref; - if (!modeRef) - return FALSE; - - return (CGDisplaySetDisplayMode(screenId, modeRef, NULL) == kCGErrorSuccess); -} - -static Bool QuartzRandREnumerateModes (ScreenPtr pScreen, - QuartzModeCallback callback, - void *data) { - Bool retval = FALSE; - QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen); - - /* Just an 800x600 fallback if we have no attached heads */ - if(pQuartzScreen->displayIDs) { - CGDisplayModeRef curModeRef, modeRef; - CFStringRef curPixelEnc, pixelEnc; - CFComparisonResult pixelEncEqual; - CFArrayRef modes; - QuartzModeInfo modeInfo; - int i; - CGDirectDisplayID screenId = pQuartzScreen->displayIDs[0]; - - curModeRef = CGDisplayCopyDisplayMode(screenId); - if (!curModeRef) - return FALSE; - curPixelEnc = CGDisplayModeCopyPixelEncoding(curModeRef); - CGDisplayModeRelease(curModeRef); - - modes = CGDisplayCopyAllDisplayModes(screenId, NULL); - if (!modes) { - CFRelease(curPixelEnc); - return FALSE; - } - for (i = 0; i < CFArrayGetCount(modes); i++) { - int cb; - modeRef = (CGDisplayModeRef) CFArrayGetValueAtIndex(modes, i); - - /* Skip modes that are not usable on the current display or have a - different pixel encoding than the current mode. */ - if ((CGDisplayModeGetIOFlags(modeRef) & kDisplayModeUsableFlags) != - kDisplayModeUsableFlags) - continue; - pixelEnc = CGDisplayModeCopyPixelEncoding(modeRef); - pixelEncEqual = CFStringCompare(pixelEnc, curPixelEnc, 0); - CFRelease(pixelEnc); - if (pixelEncEqual != kCFCompareEqualTo) - continue; - - QuartzRandRGetModeInfo(modeRef, &modeInfo); - modeInfo.ref = modeRef; - cb = callback(pScreen, &modeInfo, data); - if (cb == CALLBACK_CONTINUE) { - retval = TRUE; - } else if (cb == CALLBACK_SUCCESS) { - CFRelease(modes); - CFRelease(curPixelEnc); - return TRUE; - } else if (cb == CALLBACK_ERROR) { - CFRelease(modes); - CFRelease(curPixelEnc); - return FALSE; - } - } - - CFRelease(modes); - CFRelease(curPixelEnc); - } - - switch(callback(pScreen, &pQuartzScreen->rootlessMode, data)) { - case CALLBACK_SUCCESS: - return TRUE; - case CALLBACK_ERROR: - return FALSE; - case CALLBACK_CONTINUE: - retval = TRUE; - default: - break; - } - - switch(callback(pScreen, &pQuartzScreen->fullscreenMode, data)) { - case CALLBACK_SUCCESS: - return TRUE; - case CALLBACK_ERROR: - return FALSE; - case CALLBACK_CONTINUE: - retval = TRUE; - default: - break; - } - - return retval; -} - -#endif /* Snow Leopard CoreGraphics APIs */ - - -static Bool QuartzRandRModesEqual (QuartzModeInfoPtr pMode1, - QuartzModeInfoPtr pMode2) { - return (pMode1->width == pMode2->width) && - (pMode1->height == pMode2->height) && - (pMode1->refresh == pMode2->refresh); -} - -static Bool QuartzRandRRegisterMode (ScreenPtr pScreen, - QuartzModeInfoPtr pMode) { - QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen); - Bool isCurrentMode = QuartzRandRModesEqual(&pQuartzScreen->currentMode, pMode); - - /* TODO: DPI */ - pMode->pSize = RRRegisterSize(pScreen, pMode->width, pMode->height, pScreen->mmWidth, pScreen->mmHeight); - if (pMode->pSize) { - //DEBUG_LOG("registering: %d x %d @ %d %s\n", (int)pMode->width, (int)pMode->height, (int)pMode->refresh, isCurrentMode ? "*" : ""); - RRRegisterRate(pScreen, pMode->pSize, pMode->refresh); - - if (isCurrentMode) - RRSetCurrentConfig(pScreen, RR_Rotate_0, pMode->refresh, pMode->pSize); - - return TRUE; - } - return FALSE; -} - -static int QuartzRandRRegisterModeCallback (ScreenPtr pScreen, - QuartzModeInfoPtr pMode, - void *data __unused) { - if(QuartzRandRRegisterMode(pScreen, pMode)) { - return CALLBACK_CONTINUE; - } else { - return CALLBACK_ERROR; - } -} - -static Bool QuartzRandRSetMode(ScreenPtr pScreen, QuartzModeInfoPtr pMode, BOOL doRegister) { - QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen); - Bool captureDisplay = (pMode->refresh != FAKE_REFRESH_FULLSCREEN && pMode->refresh != FAKE_REFRESH_ROOTLESS); - CGDirectDisplayID screenId; - - if(pQuartzScreen->displayIDs == NULL) - return FALSE; - - screenId = pQuartzScreen->displayIDs[0]; - if(XQuartzShieldingWindowLevel == 0 && captureDisplay) { - if(!X11ApplicationCanEnterRandR()) - return FALSE; - CGCaptureAllDisplays(); - XQuartzShieldingWindowLevel = CGShieldingWindowLevel(); // 2147483630 - DEBUG_LOG("Display captured. ShieldWindowID: %u, Shield level: %d\n", - CGShieldingWindowID(screenId), XQuartzShieldingWindowLevel); - } - - if (pQuartzScreen->currentMode.ref && CFEqual(pMode->ref, pQuartzScreen->currentMode.ref)) { - DEBUG_LOG("Requested RandR resolution matches current CG mode\n"); - } if (QuartzRandRSetCGMode(screenId, pMode)) { - ignore_next_fake_mode_update = TRUE; - } else { - DEBUG_LOG("Error while requesting CG resolution change.\n"); - return FALSE; - } - - /* If the client requested the fake rootless mode, switch to rootless. - * Otherwise, force fullscreen mode. - */ - QuartzSetRootless(pMode->refresh == FAKE_REFRESH_ROOTLESS); - if (pMode->refresh != FAKE_REFRESH_ROOTLESS) { - QuartzShowFullscreen(TRUE); - } - - if(pQuartzScreen->currentMode.ref) - CFRelease(pQuartzScreen->currentMode.ref); - pQuartzScreen->currentMode = *pMode; - if(pQuartzScreen->currentMode.ref) - CFRetain(pQuartzScreen->currentMode.ref); - - if(XQuartzShieldingWindowLevel != 0 && !captureDisplay) { - CGReleaseAllDisplays(); - XQuartzShieldingWindowLevel = 0; - } - - return TRUE; -} - -static int QuartzRandRSetModeCallback (ScreenPtr pScreen, - QuartzModeInfoPtr pMode, - void *data) { - QuartzModeInfoPtr pReqMode = (QuartzModeInfoPtr) data; - - if (!QuartzRandRModesEqual(pMode, pReqMode)) - return CALLBACK_CONTINUE; /* continue enumeration */ - - DEBUG_LOG("Found a match for requested RandR resolution (%dx%d@%d).\n", (int)pMode->width, (int)pMode->height, (int)pMode->refresh); - - if(QuartzRandRSetMode(pScreen, pMode, FALSE)) - return CALLBACK_SUCCESS; - else - return CALLBACK_ERROR; -} - -static Bool QuartzRandRGetInfo (ScreenPtr pScreen, Rotation *rotations) { - *rotations = RR_Rotate_0; /* TODO: support rotation */ - - return QuartzRandREnumerateModes(pScreen, QuartzRandRRegisterModeCallback, NULL); -} - -static Bool QuartzRandRSetConfig (ScreenPtr pScreen, - Rotation randr, - int rate, - RRScreenSizePtr pSize) { - QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen); - QuartzModeInfo reqMode; - - reqMode.width = pSize->width; - reqMode.height = pSize->height; - reqMode.refresh = rate; - - /* Do not switch modes if requested mode is equal to current mode. */ - if (QuartzRandRModesEqual(&reqMode, &pQuartzScreen->currentMode)) - return TRUE; - - if (QuartzRandREnumerateModes(pScreen, QuartzRandRSetModeCallback, &reqMode)) { - return TRUE; - } - - DEBUG_LOG("Unable to find a matching config: %d x %d @ %d\n", (int)reqMode.width, (int)reqMode.height, (int)reqMode.refresh); - return FALSE; -} - -static Bool _QuartzRandRUpdateFakeModes (ScreenPtr pScreen) { - QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen); - QuartzModeInfo activeMode; - - if(pQuartzScreen->displayCount > 0) { - if(!QuartzRandRCopyCurrentModeInfo(pQuartzScreen->displayIDs[0], &activeMode)) { - ErrorF("Unable to determine current display mode.\n"); - return FALSE; - } - } else { - memset(&activeMode, 0, sizeof(activeMode)); - activeMode.width = 800; - activeMode.height = 600; - activeMode.refresh = 60; - } - - if(pQuartzScreen->fullscreenMode.ref) - CFRelease(pQuartzScreen->fullscreenMode.ref); - if(pQuartzScreen->currentMode.ref) - CFRelease(pQuartzScreen->currentMode.ref); - - if(pQuartzScreen->displayCount > 1) { - activeMode.width = pScreen->width; - 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); - } - } -} +/*
+ * Quartz-specific support for the XRandR extension
+ *
+ * Copyright (c) 2001-2004 Greg Parker and Torrey T. Lyons,
+ * 2010 Jan Hauffa.
+ * 2010-2011 Apple Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name(s) of the above copyright
+ * holders shall not be used in advertising or otherwise to promote the sale,
+ * use or other dealings in this Software without prior written authorization.
+ */
+
+#include "sanitizedCarbon.h"
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "quartzCommon.h"
+#include "quartzRandR.h"
+#include "quartz.h"
+#include "darwin.h"
+
+#include "X11Application.h"
+
+#include <AvailabilityMacros.h>
+
+#include <X11/extensions/randr.h>
+#include <randrstr.h>
+#include <IOKit/graphics/IOGraphicsTypes.h>
+
+/* TODO: UGLY, find a better way!
+ * We want to ignore kXquartzDisplayChanged which are generated by us
+ */
+static Bool ignore_next_fake_mode_update = FALSE;
+
+#define FAKE_REFRESH_ROOTLESS 1
+#define FAKE_REFRESH_FULLSCREEN 2
+
+#define DEFAULT_REFRESH 60
+#define kDisplayModeUsableFlags (kDisplayModeValidFlag | kDisplayModeSafeFlag)
+
+#define CALLBACK_SUCCESS 0
+#define CALLBACK_CONTINUE 1
+#define CALLBACK_ERROR -1
+
+typedef int (*QuartzModeCallback)
+ (ScreenPtr, QuartzModeInfoPtr, void *);
+
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+
+static long getDictLong (CFDictionaryRef dictRef, CFStringRef key) {
+ long value;
+
+ CFNumberRef numRef = (CFNumberRef) CFDictionaryGetValue(dictRef, key);
+ if (!numRef)
+ return 0;
+
+ if (!CFNumberGetValue(numRef, kCFNumberLongType, &value))
+ return 0;
+ return value;
+}
+
+static double getDictDouble (CFDictionaryRef dictRef, CFStringRef key) {
+ double value;
+
+ CFNumberRef numRef = (CFNumberRef) CFDictionaryGetValue(dictRef, key);
+ if (!numRef)
+ return 0.0;
+
+ if (!CFNumberGetValue(numRef, kCFNumberDoubleType, &value))
+ return 0.0;
+ return value;
+}
+
+static void QuartzRandRGetModeInfo (CFDictionaryRef modeRef,
+ QuartzModeInfoPtr pMode) {
+ pMode->width = (size_t) getDictLong(modeRef, kCGDisplayWidth);
+ pMode->height = (size_t) getDictLong(modeRef, kCGDisplayHeight);
+ pMode->refresh = (int)(getDictDouble(modeRef, kCGDisplayRefreshRate) + 0.5);
+ if (pMode->refresh == 0)
+ pMode->refresh = DEFAULT_REFRESH;
+ pMode->ref = NULL;
+ pMode->pSize = NULL;
+}
+
+static Bool QuartzRandRCopyCurrentModeInfo (CGDirectDisplayID screenId,
+ QuartzModeInfoPtr pMode) {
+ CFDictionaryRef curModeRef = CGDisplayCurrentMode(screenId);
+ if (!curModeRef)
+ return FALSE;
+
+ QuartzRandRGetModeInfo(curModeRef, pMode);
+ pMode->ref = (void *)curModeRef;
+ CFRetain(pMode->ref);
+ return TRUE;
+}
+
+static Bool QuartzRandRSetCGMode (CGDirectDisplayID screenId,
+ QuartzModeInfoPtr pMode) {
+ CFDictionaryRef modeRef = (CFDictionaryRef) pMode->ref;
+ return (CGDisplaySwitchToMode(screenId, modeRef) == kCGErrorSuccess);
+}
+
+static Bool QuartzRandREnumerateModes (ScreenPtr pScreen,
+ QuartzModeCallback callback,
+ void *data) {
+ Bool retval = FALSE;
+ QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
+
+ /* Just an 800x600 fallback if we have no attached heads */
+ if(pQuartzScreen->displayIDs) {
+ CFDictionaryRef curModeRef, modeRef;
+ long curBpp;
+ CFArrayRef modes;
+ QuartzModeInfo modeInfo;
+ int i;
+ CGDirectDisplayID screenId = pQuartzScreen->displayIDs[0];
+
+ curModeRef = CGDisplayCurrentMode(screenId);
+ if (!curModeRef)
+ return FALSE;
+ curBpp = getDictLong(curModeRef, kCGDisplayBitsPerPixel);
+
+ modes = CGDisplayAvailableModes(screenId);
+ if (!modes)
+ return FALSE;
+ for (i = 0; i < CFArrayGetCount(modes); i++) {
+ int cb;
+ modeRef = (CFDictionaryRef) CFArrayGetValueAtIndex(modes, i);
+
+ /* Skip modes that are not usable on the current display or have a
+ different pixel encoding than the current mode. */
+ if (((unsigned long) getDictLong(modeRef, kCGDisplayIOFlags) &
+ kDisplayModeUsableFlags) != kDisplayModeUsableFlags)
+ continue;
+ if (getDictLong(modeRef, kCGDisplayBitsPerPixel) != curBpp)
+ continue;
+
+ QuartzRandRGetModeInfo(modeRef, &modeInfo);
+ modeInfo.ref = (void *)modeRef;
+ cb = callback(pScreen, &modeInfo, data);
+ if (cb == CALLBACK_CONTINUE)
+ retval = TRUE;
+ else if (cb == CALLBACK_SUCCESS)
+ return TRUE;
+ else if (cb == CALLBACK_ERROR)
+ return FALSE;
+ }
+ }
+
+ switch(callback(pScreen, &pQuartzScreen->rootlessMode, data)) {
+ case CALLBACK_SUCCESS:
+ return TRUE;
+ case CALLBACK_ERROR:
+ return FALSE;
+ case CALLBACK_CONTINUE:
+ retval = TRUE;
+ default:
+ break;
+ }
+
+ switch(callback(pScreen, &pQuartzScreen->fullscreenMode, data)) {
+ case CALLBACK_SUCCESS:
+ return TRUE;
+ case CALLBACK_ERROR:
+ return FALSE;
+ case CALLBACK_CONTINUE:
+ retval = TRUE;
+ default:
+ break;
+ }
+
+ return retval;
+}
+
+#else /* we have the new CG APIs from Snow Leopard */
+
+static void QuartzRandRGetModeInfo (CGDisplayModeRef modeRef,
+ QuartzModeInfoPtr pMode) {
+ pMode->width = CGDisplayModeGetWidth(modeRef);
+ pMode->height = CGDisplayModeGetHeight(modeRef);
+ pMode->refresh = (int) (CGDisplayModeGetRefreshRate(modeRef) + 0.5);
+ if (pMode->refresh == 0)
+ pMode->refresh = DEFAULT_REFRESH;
+ pMode->ref = NULL;
+ pMode->pSize = NULL;
+}
+
+static Bool QuartzRandRCopyCurrentModeInfo (CGDirectDisplayID screenId,
+ QuartzModeInfoPtr pMode) {
+ CGDisplayModeRef curModeRef = CGDisplayCopyDisplayMode(screenId);
+ if (!curModeRef)
+ return FALSE;
+
+ QuartzRandRGetModeInfo(curModeRef, pMode);
+ pMode->ref = curModeRef;
+ return TRUE;
+}
+
+static Bool QuartzRandRSetCGMode (CGDirectDisplayID screenId,
+ QuartzModeInfoPtr pMode) {
+ CGDisplayModeRef modeRef = (CGDisplayModeRef) pMode->ref;
+ if (!modeRef)
+ return FALSE;
+
+ return (CGDisplaySetDisplayMode(screenId, modeRef, NULL) == kCGErrorSuccess);
+}
+
+static Bool QuartzRandREnumerateModes (ScreenPtr pScreen,
+ QuartzModeCallback callback,
+ void *data) {
+ Bool retval = FALSE;
+ QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
+
+ /* Just an 800x600 fallback if we have no attached heads */
+ if(pQuartzScreen->displayIDs) {
+ CGDisplayModeRef curModeRef, modeRef;
+ CFStringRef curPixelEnc, pixelEnc;
+ CFComparisonResult pixelEncEqual;
+ CFArrayRef modes;
+ QuartzModeInfo modeInfo;
+ int i;
+ CGDirectDisplayID screenId = pQuartzScreen->displayIDs[0];
+
+ curModeRef = CGDisplayCopyDisplayMode(screenId);
+ if (!curModeRef)
+ return FALSE;
+ curPixelEnc = CGDisplayModeCopyPixelEncoding(curModeRef);
+ CGDisplayModeRelease(curModeRef);
+
+ modes = CGDisplayCopyAllDisplayModes(screenId, NULL);
+ if (!modes) {
+ CFRelease(curPixelEnc);
+ return FALSE;
+ }
+ for (i = 0; i < CFArrayGetCount(modes); i++) {
+ int cb;
+ modeRef = (CGDisplayModeRef) CFArrayGetValueAtIndex(modes, i);
+
+ /* Skip modes that are not usable on the current display or have a
+ different pixel encoding than the current mode. */
+ if ((CGDisplayModeGetIOFlags(modeRef) & kDisplayModeUsableFlags) !=
+ kDisplayModeUsableFlags)
+ continue;
+ pixelEnc = CGDisplayModeCopyPixelEncoding(modeRef);
+ pixelEncEqual = CFStringCompare(pixelEnc, curPixelEnc, 0);
+ CFRelease(pixelEnc);
+ if (pixelEncEqual != kCFCompareEqualTo)
+ continue;
+
+ QuartzRandRGetModeInfo(modeRef, &modeInfo);
+ modeInfo.ref = modeRef;
+ cb = callback(pScreen, &modeInfo, data);
+ if (cb == CALLBACK_CONTINUE) {
+ retval = TRUE;
+ } else if (cb == CALLBACK_SUCCESS) {
+ CFRelease(modes);
+ CFRelease(curPixelEnc);
+ return TRUE;
+ } else if (cb == CALLBACK_ERROR) {
+ CFRelease(modes);
+ CFRelease(curPixelEnc);
+ return FALSE;
+ }
+ }
+
+ CFRelease(modes);
+ CFRelease(curPixelEnc);
+ }
+
+ switch(callback(pScreen, &pQuartzScreen->rootlessMode, data)) {
+ case CALLBACK_SUCCESS:
+ return TRUE;
+ case CALLBACK_ERROR:
+ return FALSE;
+ case CALLBACK_CONTINUE:
+ retval = TRUE;
+ default:
+ break;
+ }
+
+ switch(callback(pScreen, &pQuartzScreen->fullscreenMode, data)) {
+ case CALLBACK_SUCCESS:
+ return TRUE;
+ case CALLBACK_ERROR:
+ return FALSE;
+ case CALLBACK_CONTINUE:
+ retval = TRUE;
+ default:
+ break;
+ }
+
+ return retval;
+}
+
+#endif /* Snow Leopard CoreGraphics APIs */
+
+
+static Bool QuartzRandRModesEqual (QuartzModeInfoPtr pMode1,
+ QuartzModeInfoPtr pMode2) {
+ return (pMode1->width == pMode2->width) &&
+ (pMode1->height == pMode2->height) &&
+ (pMode1->refresh == pMode2->refresh);
+}
+
+static Bool QuartzRandRRegisterMode (ScreenPtr pScreen,
+ QuartzModeInfoPtr pMode) {
+ QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
+ Bool isCurrentMode = QuartzRandRModesEqual(&pQuartzScreen->currentMode, pMode);
+
+ /* TODO: DPI */
+ pMode->pSize = RRRegisterSize(pScreen, pMode->width, pMode->height, pScreen->mmWidth, pScreen->mmHeight);
+ if (pMode->pSize) {
+ //DEBUG_LOG("registering: %d x %d @ %d %s\n", (int)pMode->width, (int)pMode->height, (int)pMode->refresh, isCurrentMode ? "*" : "");
+ RRRegisterRate(pScreen, pMode->pSize, pMode->refresh);
+
+ if (isCurrentMode)
+ RRSetCurrentConfig(pScreen, RR_Rotate_0, pMode->refresh, pMode->pSize);
+
+ return TRUE;
+ }
+ return FALSE;
+}
+
+static int QuartzRandRRegisterModeCallback (ScreenPtr pScreen,
+ QuartzModeInfoPtr pMode,
+ void *data __unused) {
+ if(QuartzRandRRegisterMode(pScreen, pMode)) {
+ return CALLBACK_CONTINUE;
+ } else {
+ return CALLBACK_ERROR;
+ }
+}
+
+static Bool QuartzRandRSetMode(ScreenPtr pScreen, QuartzModeInfoPtr pMode, BOOL doRegister) {
+ QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
+ Bool captureDisplay = (pMode->refresh != FAKE_REFRESH_FULLSCREEN && pMode->refresh != FAKE_REFRESH_ROOTLESS);
+ CGDirectDisplayID screenId;
+
+ if(pQuartzScreen->displayIDs == NULL)
+ return FALSE;
+
+ screenId = pQuartzScreen->displayIDs[0];
+ if(XQuartzShieldingWindowLevel == 0 && captureDisplay) {
+ if(!X11ApplicationCanEnterRandR())
+ return FALSE;
+ CGCaptureAllDisplays();
+ XQuartzShieldingWindowLevel = CGShieldingWindowLevel(); // 2147483630
+ DEBUG_LOG("Display captured. ShieldWindowID: %u, Shield level: %d\n",
+ CGShieldingWindowID(screenId), XQuartzShieldingWindowLevel);
+ }
+
+ if (pQuartzScreen->currentMode.ref && CFEqual(pMode->ref, pQuartzScreen->currentMode.ref)) {
+ DEBUG_LOG("Requested RandR resolution matches current CG mode\n");
+ } if (QuartzRandRSetCGMode(screenId, pMode)) {
+ ignore_next_fake_mode_update = TRUE;
+ } else {
+ DEBUG_LOG("Error while requesting CG resolution change.\n");
+ return FALSE;
+ }
+
+ /* If the client requested the fake rootless mode, switch to rootless.
+ * Otherwise, force fullscreen mode.
+ */
+ QuartzSetRootless(pMode->refresh == FAKE_REFRESH_ROOTLESS);
+ if (pMode->refresh != FAKE_REFRESH_ROOTLESS) {
+ QuartzShowFullscreen(TRUE);
+ }
+
+ if(pQuartzScreen->currentMode.ref)
+ CFRelease(pQuartzScreen->currentMode.ref);
+ pQuartzScreen->currentMode = *pMode;
+ if(pQuartzScreen->currentMode.ref)
+ CFRetain(pQuartzScreen->currentMode.ref);
+
+ if(XQuartzShieldingWindowLevel != 0 && !captureDisplay) {
+ CGReleaseAllDisplays();
+ XQuartzShieldingWindowLevel = 0;
+ }
+
+ return TRUE;
+}
+
+static int QuartzRandRSetModeCallback (ScreenPtr pScreen,
+ QuartzModeInfoPtr pMode,
+ void *data) {
+ QuartzModeInfoPtr pReqMode = (QuartzModeInfoPtr) data;
+
+ if (!QuartzRandRModesEqual(pMode, pReqMode))
+ return CALLBACK_CONTINUE; /* continue enumeration */
+
+ DEBUG_LOG("Found a match for requested RandR resolution (%dx%d@%d).\n", (int)pMode->width, (int)pMode->height, (int)pMode->refresh);
+
+ if(QuartzRandRSetMode(pScreen, pMode, FALSE))
+ return CALLBACK_SUCCESS;
+ else
+ return CALLBACK_ERROR;
+}
+
+static Bool QuartzRandRGetInfo (ScreenPtr pScreen, Rotation *rotations) {
+ *rotations = RR_Rotate_0; /* TODO: support rotation */
+
+ return QuartzRandREnumerateModes(pScreen, QuartzRandRRegisterModeCallback, NULL);
+}
+
+static Bool QuartzRandRSetConfig (ScreenPtr pScreen,
+ Rotation randr,
+ int rate,
+ RRScreenSizePtr pSize) {
+ QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
+ QuartzModeInfo reqMode;
+
+ reqMode.width = pSize->width;
+ reqMode.height = pSize->height;
+ reqMode.refresh = rate;
+
+ /* Do not switch modes if requested mode is equal to current mode. */
+ if (QuartzRandRModesEqual(&reqMode, &pQuartzScreen->currentMode))
+ return TRUE;
+
+ if (QuartzRandREnumerateModes(pScreen, QuartzRandRSetModeCallback, &reqMode)) {
+ return TRUE;
+ }
+
+ DEBUG_LOG("Unable to find a matching config: %d x %d @ %d\n", (int)reqMode.width, (int)reqMode.height, (int)reqMode.refresh);
+ return FALSE;
+}
+
+static Bool _QuartzRandRUpdateFakeModes (ScreenPtr pScreen) {
+ QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
+ QuartzModeInfo activeMode;
+
+ if(pQuartzScreen->displayCount > 0) {
+ if(!QuartzRandRCopyCurrentModeInfo(pQuartzScreen->displayIDs[0], &activeMode)) {
+ ErrorF("Unable to determine current display mode.\n");
+ return FALSE;
+ }
+ } else {
+ memset(&activeMode, 0, sizeof(activeMode));
+ activeMode.width = 800;
+ activeMode.height = 600;
+ activeMode.refresh = 60;
+ }
+
+ if(pQuartzScreen->fullscreenMode.ref)
+ CFRelease(pQuartzScreen->fullscreenMode.ref);
+ if(pQuartzScreen->currentMode.ref)
+ CFRelease(pQuartzScreen->currentMode.ref);
+
+ if(pQuartzScreen->displayCount > 1) {
+ activeMode.width = pScreen->width;
+ 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);
+ }
+ }
+}
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