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https://github.com/X11Libre/xserver.git
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XQuartz: RandR: Implement basic RandR functionality.
Querying and changing of resolution and refresh rate is supported, rotation is not implemented yet. Signed-off-by: Jan Hauffa <hauffa@in.tum.de> Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
This commit is contained in:
Jan Hauffa
Jeremy Huddleston
parent
f492670948
commit
2d411472c2
7 changed files with 469 additions and 80 deletions
394
hw/xquartz/quartzRandR.c
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394
hw/xquartz/quartzRandR.c
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/*
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*
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* Quartz-specific support for the XRandR extension
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*
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* Copyright (c) 2001-2004 Greg Parker and Torrey T. Lyons,
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* 2010 Jan Hauffa.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name(s) of the above copyright
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* holders shall not be used in advertising or otherwise to promote the sale,
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* use or other dealings in this Software without prior written authorization.
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*/
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#include "sanitizedCarbon.h"
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "quartzCommon.h"
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#include "quartzRandR.h"
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#if defined(FAKE_RANDR)
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#include "scrnintstr.h"
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#include "windowstr.h"
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#else
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#include <X11/extensions/randr.h>
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#include <randrstr.h>
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#include <IOKit/graphics/IOGraphicsTypes.h>
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#endif
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#if defined(FAKE_RANDR)
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static const int padlength[4] = {0, 3, 2, 1};
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void
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RREditConnectionInfo (ScreenPtr pScreen)
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{
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xConnSetup *connSetup;
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char *vendor;
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xPixmapFormat *formats;
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xWindowRoot *root;
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xDepth *depth;
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xVisualType *visual;
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int screen = 0;
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int d;
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connSetup = (xConnSetup *) ConnectionInfo;
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vendor = (char *) connSetup + sizeof (xConnSetup);
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formats = (xPixmapFormat *) ((char *) vendor +
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connSetup->nbytesVendor +
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padlength[connSetup->nbytesVendor & 3]);
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root = (xWindowRoot *) ((char *) formats +
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sizeof (xPixmapFormat) * screenInfo.numPixmapFormats);
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while (screen != pScreen->myNum)
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{
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depth = (xDepth *) ((char *) root +
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sizeof (xWindowRoot));
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for (d = 0; d < root->nDepths; d++)
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{
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visual = (xVisualType *) ((char *) depth +
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sizeof (xDepth));
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depth = (xDepth *) ((char *) visual +
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depth->nVisuals * sizeof (xVisualType));
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}
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root = (xWindowRoot *) ((char *) depth);
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screen++;
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}
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root->pixWidth = pScreen->width;
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root->pixHeight = pScreen->height;
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root->mmWidth = pScreen->mmWidth;
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root->mmHeight = pScreen->mmHeight;
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}
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#else /* defined(FAKE_RANDR) */
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#define DEFAULT_REFRESH 60
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#define kDisplayModeUsableFlags (kDisplayModeValidFlag | kDisplayModeSafeFlag)
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typedef struct {
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size_t width, height;
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int refresh;
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const void *ref;
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} QuartzModeInfo, *QuartzModeInfoPtr;
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typedef Bool (*QuartzModeCallback)
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(ScreenPtr, CGDirectDisplayID, QuartzModeInfoPtr, void *);
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#if defined(USE_DEPRECATED_CG_API)
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static long getDictLong (CFDictionaryRef dictRef, CFStringRef key) {
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long value;
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CFNumberRef numRef = (CFNumberRef) CFDictionaryGetValue(dictRef, key);
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if (!numRef)
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return 0;
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if (!CFNumberGetValue(numRef, kCFNumberLongType, &value))
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return 0;
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return value;
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}
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static double getDictDouble (CFDictionaryRef dictRef, CFStringRef key) {
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double value;
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CFNumberRef numRef = (CFNumberRef) CFDictionaryGetValue(dictRef, key);
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if (!numRef)
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return 0.0;
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if (!CFNumberGetValue(numRef, kCFNumberDoubleType, &value))
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return 0.0;
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return value;
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}
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static void QuartzRandRGetModeInfo (CFDictionaryRef modeRef,
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QuartzModeInfoPtr pMode) {
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pMode->width = (size_t) getDictLong(modeRef, kCGDisplayWidth);
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pMode->height = (size_t) getDictLong(modeRef, kCGDisplayHeight);
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pMode->refresh = (int)(getDictDouble(modeRef, kCGDisplayRefreshRate) + 0.5);
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if (pMode->refresh == 0)
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pMode->refresh = DEFAULT_REFRESH;
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pMode->ref = NULL;
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}
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static Bool QuartzRandRGetCurrentModeInfo (CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode) {
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CFDictionaryRef curModeRef = CGDisplayCurrentMode(screenId);
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if (!curModeRef)
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return FALSE;
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QuartzRandRGetModeInfo(curModeRef, pMode);
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return TRUE;
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}
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static Bool QuartzRandRSetMode (CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode) {
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CFDictionaryRef modeRef = (CFDictionaryRef) pMode->ref;
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return (CGDisplaySwitchToMode(screenId, modeRef) != kCGErrorSuccess);
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}
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static Bool QuartzRandREnumerateModes (ScreenPtr pScreen,
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CGDirectDisplayID screenId,
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QuartzModeCallback callback,
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void *data) {
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CFDictionaryRef curModeRef, modeRef;
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long curBpp;
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CFArrayRef modes;
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QuartzModeInfo modeInfo;
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int i;
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curModeRef = CGDisplayCurrentMode(screenId);
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if (!curModeRef)
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return FALSE;
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curBpp = getDictLong(curModeRef, kCGDisplayBitsPerPixel);
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modes = CGDisplayAvailableModes(screenId);
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if (!modes)
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return FALSE;
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for (i = 0; i < CFArrayGetCount(modes); i++) {
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modeRef = (CFDictionaryRef) CFArrayGetValueAtIndex(modes, i);
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/* Skip modes that are not usable on the current display or have a
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different pixel encoding than the current mode. */
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if (((unsigned long) getDictLong(modeRef, kCGDisplayIOFlags) &
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kDisplayModeUsableFlags) != kDisplayModeUsableFlags)
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continue;
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if (getDictLong(modeRef, kCGDisplayBitsPerPixel) != curBpp)
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continue;
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QuartzRandRGetModeInfo(modeRef, &modeInfo);
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modeInfo.ref = modeRef;
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if (!callback(pScreen, screenId, &modeInfo, data))
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break;
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}
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return TRUE;
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}
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#else /* defined(USE_DEPRECATED_CG_API) */
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static void QuartzRandRGetModeInfo (CGDisplayModeRef modeRef,
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QuartzModeInfoPtr pMode) {
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pMode->width = CGDisplayModeGetWidth(modeRef);
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pMode->height = CGDisplayModeGetHeight(modeRef);
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pMode->refresh = (int) (CGDisplayModeGetRefreshRate(modeRef) + 0.5);
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if (pMode->refresh == 0)
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pMode->refresh = DEFAULT_REFRESH;
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pMode->ref = NULL;
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}
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static Bool QuartzRandRGetCurrentModeInfo (CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode) {
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CGDisplayModeRef curModeRef = CGDisplayCopyDisplayMode(screenId);
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if (!curModeRef)
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return FALSE;
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QuartzRandRGetModeInfo(curModeRef, pMode);
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CGDisplayModeRelease(curModeRef);
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return TRUE;
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}
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static Bool QuartzRandRSetMode (CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode) {
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CGDisplayModeRef modeRef = (CGDisplayModeRef) pMode->ref;
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if (!modeRef)
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return FALSE;
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return (CGDisplaySetDisplayMode(screenId, modeRef, NULL) !=
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kCGErrorSuccess);
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}
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static Bool QuartzRandREnumerateModes (ScreenPtr pScreen,
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CGDirectDisplayID screenId,
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QuartzModeCallback callback,
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void *data) {
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CGDisplayModeRef curModeRef, modeRef;
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CFStringRef curPixelEnc, pixelEnc;
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CFComparisonResult pixelEncEqual;
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CFArrayRef modes;
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QuartzModeInfo modeInfo;
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int i;
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curModeRef = CGDisplayCopyDisplayMode(screenId);
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if (!curModeRef)
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return FALSE;
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curPixelEnc = CGDisplayModeCopyPixelEncoding(curModeRef);
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CGDisplayModeRelease(curModeRef);
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modes = CGDisplayCopyAllDisplayModes(screenId, NULL);
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if (!modes) {
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CFRelease(curPixelEnc);
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return FALSE;
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}
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for (i = 0; i < CFArrayGetCount(modes); i++) {
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modeRef = (CGDisplayModeRef) CFArrayGetValueAtIndex(modes, i);
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/* Skip modes that are not usable on the current display or have a
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different pixel encoding than the current mode. */
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if ((CGDisplayModeGetIOFlags(modeRef) & kDisplayModeUsableFlags) !=
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kDisplayModeUsableFlags)
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continue;
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pixelEnc = CGDisplayModeCopyPixelEncoding(modeRef);
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pixelEncEqual = CFStringCompare(pixelEnc, curPixelEnc, 0);
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CFRelease(pixelEnc);
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if (pixelEncEqual != kCFCompareEqualTo)
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continue;
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QuartzRandRGetModeInfo(modeRef, &modeInfo);
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modeInfo.ref = modeRef;
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if (!callback(pScreen, screenId, &modeInfo, data))
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break;
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}
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CFRelease(modes);
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CFRelease(curPixelEnc);
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return TRUE;
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}
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#endif /* defined(USE_DEPRECATED_CG_API) */
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static Bool QuartzRandRModesEqual (QuartzModeInfoPtr pMode1,
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QuartzModeInfoPtr pMode2) {
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if (pMode1->width != pMode2->width)
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return FALSE;
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if (pMode1->height != pMode2->height)
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return FALSE;
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if (pMode1->refresh != pMode2->refresh)
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return FALSE;
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return TRUE;
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}
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static Bool QuartzRandRGetModeCallback (ScreenPtr pScreen,
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CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode,
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void *data) {
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QuartzModeInfoPtr pCurMode = (QuartzModeInfoPtr) data;
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RRScreenSizePtr pSize = RRRegisterSize(pScreen,
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pMode->width, pMode->height, pScreen->mmWidth, pScreen->mmHeight);
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if (pSize) {
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RRRegisterRate(pScreen, pSize, pMode->refresh);
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if (QuartzRandRModesEqual(pMode, pCurMode))
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RRSetCurrentConfig(pScreen, RR_Rotate_0, pMode->refresh, pSize);
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}
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return TRUE;
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}
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static Bool QuartzRandRSetModeCallback (ScreenPtr pScreen,
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CGDirectDisplayID screenId,
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QuartzModeInfoPtr pMode,
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void *data) {
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QuartzModeInfoPtr pReqMode = (QuartzModeInfoPtr) data;
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if (!QuartzRandRModesEqual(pMode, pReqMode))
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return TRUE; /* continue enumeration */
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return QuartzRandRSetMode(screenId, pMode);
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}
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static Bool QuartzRandRGetInfo (ScreenPtr pScreen, Rotation *rotations) {
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QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
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CGDirectDisplayID screenId;
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QuartzModeInfo curMode;
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*rotations = RR_Rotate_0; /* TODO: support rotation */
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if (pQuartzScreen->displayCount == 0)
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return FALSE;
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if (pQuartzScreen->displayCount > 1) {
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/* RandR operations are not well-defined for an X11 screen spanning
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multiple CG displays. Create a single entry for the current virtual
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resolution. */
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RRScreenSizePtr pSize = RRRegisterSize(pScreen, pScreen->width,
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pScreen->height, pScreen->mmWidth, pScreen->mmHeight);
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if (pSize) {
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RRRegisterRate(pScreen, pSize, DEFAULT_REFRESH);
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RRSetCurrentConfig(pScreen, RR_Rotate_0, DEFAULT_REFRESH, pSize);
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}
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return TRUE;
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}
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screenId = pQuartzScreen->displayIDs[0];
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if (!QuartzRandRGetCurrentModeInfo(screenId, &curMode))
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return FALSE;
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return QuartzRandREnumerateModes(pScreen, screenId,
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QuartzRandRGetModeCallback, &curMode);
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}
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static Bool QuartzRandRSetConfig (ScreenPtr pScreen,
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Rotation randr,
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int rate,
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RRScreenSizePtr pSize) {
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QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
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CGDirectDisplayID screenId;
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QuartzModeInfo reqMode, curMode;
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if (pQuartzScreen->displayCount == 0)
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return FALSE;
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if (pQuartzScreen->displayCount > 1) {
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/* RandR operations are not well-defined for an X11 screen spanning
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multiple CG displays. Do not accept any configuations that differ
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from the current configuration. */
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return ((pSize->width == pScreen->width) &&
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(pSize->height == pScreen->height));
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}
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screenId = pQuartzScreen->displayIDs[0];
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reqMode.width = pSize->width;
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reqMode.height = pSize->height;
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reqMode.refresh = rate;
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/* Do not switch modes if requested mode is equal to current mode. */
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if (!QuartzRandRGetCurrentModeInfo(screenId, &curMode))
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return FALSE;
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if (QuartzRandRModesEqual(&reqMode, &curMode))
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return TRUE;
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return QuartzRandREnumerateModes(pScreen, screenId,
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QuartzRandRSetModeCallback, &reqMode);
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}
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Bool QuartzRandRInit (ScreenPtr pScreen) {
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rrScrPrivPtr pScrPriv;
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if (!RRScreenInit (pScreen)) return FALSE;
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pScrPriv = rrGetScrPriv(pScreen);
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pScrPriv->rrGetInfo = QuartzRandRGetInfo;
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pScrPriv->rrSetConfig = QuartzRandRSetConfig;
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return TRUE;
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}
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#endif /* defined(FAKE_RANDR) */
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