diff options
Diffstat (limited to 'xorg-server/hw/xquartz/quartzRandR.c')
| -rw-r--r-- | xorg-server/hw/xquartz/quartzRandR.c | 560 |
1 files changed, 560 insertions, 0 deletions
diff --git a/xorg-server/hw/xquartz/quartzRandR.c b/xorg-server/hw/xquartz/quartzRandR.c new file mode 100644 index 000000000..bc58e2341 --- /dev/null +++ b/xorg-server/hw/xquartz/quartzRandR.c @@ -0,0 +1,560 @@ +/*
+ * 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->displayCount == 1) {
+ 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;
+
+ CFRetain(pQuartzScreen->fullscreenMode.ref); /* This extra retain is for currentMode's copy */
+ } else {
+ 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;
+ }
+
+ 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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