svn merge ^/branches/released .

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);

+        }

+    }    

+}