diff options
Diffstat (limited to 'xorg-server/hw/xquartz/quartzRandR.c')
| -rw-r--r-- | xorg-server/hw/xquartz/quartzRandR.c | 1133 |
1 files changed, 570 insertions, 563 deletions
diff --git a/xorg-server/hw/xquartz/quartzRandR.c b/xorg-server/hw/xquartz/quartzRandR.c index 64ad72d84..05641a65d 100644 --- a/xorg-server/hw/xquartz/quartzRandR.c +++ b/xorg-server/hw/xquartz/quartzRandR.c @@ -1,563 +1,570 @@ -/*
- * Quartz-specific support for the XRandR extension
- *
- * Copyright (c) 2001-2004 Greg Parker and Torrey T. Lyons,
- * 2010 Jan Hauffa.
- * 2010 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 <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) {
- CFDictionaryRef curModeRef, modeRef;
- long curBpp;
- CFArrayRef modes;
- QuartzModeInfo modeInfo;
- int i;
- BOOL retval = FALSE;
- QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
- 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) {
- CGDisplayModeRef curModeRef, modeRef;
- CFStringRef curPixelEnc, pixelEnc;
- CFComparisonResult pixelEncEqual;
- CFArrayRef modes;
- QuartzModeInfo modeInfo;
- int i;
- Bool retval = FALSE;
-
- QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
- 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);
- CGDirectDisplayID screenId = pQuartzScreen->displayIDs[0];
-
- 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;
- CFRetain(pQuartzScreen->currentMode.ref);
-
- 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) {
- QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
-
- *rotations = RR_Rotate_0; /* TODO: support rotation */
-
- if (pQuartzScreen->displayCount == 0)
- return FALSE;
-
- if (pQuartzScreen->displayCount > 1) {
- /* RandR operations are not well-defined for an X11 screen spanning
- multiple CG displays. Create two entries for the current virtual
- resolution including/excluding the menu bar. */
-
- QuartzRandRRegisterMode(pScreen, &pQuartzScreen->rootlessMode);
- QuartzRandRRegisterMode(pScreen, &pQuartzScreen->fullscreenMode);
- return TRUE;
- }
-
- 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;
-
- if (pQuartzScreen->displayCount == 0)
- return FALSE;
-
- /* 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);
-
- if(pQuartzScreen->fullscreenMode.ref)
- CFRelease(pQuartzScreen->fullscreenMode.ref);
- if(pQuartzScreen->currentMode.ref)
- CFRelease(pQuartzScreen->currentMode.ref);
-
- if (!QuartzRandRCopyCurrentModeInfo(pQuartzScreen->displayIDs[0],
- &pQuartzScreen->fullscreenMode))
- return FALSE;
-
- if (pQuartzScreen->displayCount > 1) {
- pQuartzScreen->fullscreenMode.width = pScreen->width;
- pQuartzScreen->fullscreenMode.height = pScreen->height;
- if(XQuartzIsRootless)
- pQuartzScreen->fullscreenMode.height += aquaMenuBarHeight;
- }
-
- pQuartzScreen->fullscreenMode.refresh = FAKE_REFRESH_FULLSCREEN;
-
- pQuartzScreen->rootlessMode = pQuartzScreen->fullscreenMode;
- 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.
- */
- 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 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) { + CFDictionaryRef curModeRef, modeRef; + long curBpp; + CFArrayRef modes; + QuartzModeInfo modeInfo; + int i; + BOOL retval = FALSE; + QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen); + 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) { + CGDisplayModeRef curModeRef, modeRef; + CFStringRef curPixelEnc, pixelEnc; + CFComparisonResult pixelEncEqual; + CFArrayRef modes; + QuartzModeInfo modeInfo; + int i; + Bool retval = FALSE; + + QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen); + 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); + CGDirectDisplayID screenId = pQuartzScreen->displayIDs[0]; + Bool captureDisplay = (pMode->refresh != FAKE_REFRESH_FULLSCREEN && pMode->refresh != FAKE_REFRESH_ROOTLESS); + + 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; + 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) { + QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen); + + *rotations = RR_Rotate_0; /* TODO: support rotation */ + + if (pQuartzScreen->displayCount == 0) + return FALSE; + + 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; + + if (pQuartzScreen->displayCount == 0) + return FALSE; + + /* 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); + + if(pQuartzScreen->fullscreenMode.ref) + CFRelease(pQuartzScreen->fullscreenMode.ref); + if(pQuartzScreen->currentMode.ref) + CFRelease(pQuartzScreen->currentMode.ref); + + if (!QuartzRandRCopyCurrentModeInfo(pQuartzScreen->displayIDs[0], + &pQuartzScreen->fullscreenMode)) + return FALSE; + + if (pQuartzScreen->displayCount > 1) { + pQuartzScreen->fullscreenMode.width = pScreen->width; + pQuartzScreen->fullscreenMode.height = pScreen->height; + if(XQuartzIsRootless) + pQuartzScreen->fullscreenMode.height += aquaMenuBarHeight; + } + + pQuartzScreen->fullscreenMode.refresh = FAKE_REFRESH_FULLSCREEN; + + pQuartzScreen->rootlessMode = pQuartzScreen->fullscreenMode; + 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. + */ + 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); + } + } +} |