Merge branch 'randr-1.2'

Conflicts:

	dix/events.c
	dix/getevents.c
	hw/xfree86/common/xf86Mode.c
	hw/xfree86/dri/Makefile.am
	hw/xfree86/os-support/drm/xf86drm.c
	hw/xfree86/os-support/xf86drm.h

configure.ac

@@ -655,6 +655,9 @@ if test "x$DRI" = xyes; then
 	PKG_CHECK_MODULES([DRIPROTO], [xf86driproto])
 	PKG_CHECK_MODULES([LIBDRM], [libdrm >= 2.3.0])
 	PKG_CHECK_MODULES([GL], [glproto >= 1.4.1])
+	PKG_CHECK_EXISTS(libdrm >= 2.2.0,
+			 [AC_DEFINE([HAVE_LIBDRM_2_2], 1,
+			 [Has version 2.2 (or newer) of the drm library])])
 	AC_SUBST(DRIPROTO_CFLAGS)
 	AC_SUBST(LIBDRM_CFLAGS)
 	AC_SUBST(LIBDRM_LIBS)
@@ -1759,13 +1762,11 @@ AM_CONDITIONAL(BUILD_KBD_MODE, [test x$BUILD_KBD_MODE = xyes])
 AM_CONDITIONAL(BSD_KBD_MODE, [test x$KBD_MODE_TYPE = xbsd])
 AM_CONDITIONAL(SUN_KBD_MODE, [test x$KBD_MODE_TYPE = xsun])
 
-CFLAGS="$XSERVER_CFLAGS $CFLAGS"
-AC_SUBST([CFLAGS])
-
 BUILD_DATE="$(date +'%Y%m%d')"
 AC_SUBST([BUILD_DATE])
 
-DIX_CFLAGS="-DHAVE_DIX_CONFIG_H"
+DIX_CFLAGS="-DHAVE_DIX_CONFIG_H $XSERVER_CFLAGS"
+
 AC_SUBST([DIX_CFLAGS])
 
 AC_SUBST([libdir exec_prefix prefix])

dix/events.c

@@ -330,8 +330,7 @@ static void ConfineToShape(RegionPtr shape, int *px, int *py);
 static void PostNewCursor(void);
 
 #define SyntheticMotion(x, y) \
-    PostSyntheticMotion(x, y, noPanoramiXExtension ? 0 : \
+    PostSyntheticMotion(x, y, sprite.screen, \
-                              sprite.screen->myNum, \
                         syncEvents.playingEvents ? \
                           syncEvents.time.milliseconds : \
                           currentTime.milliseconds);

dix/getevents.c

@@ -39,6 +39,7 @@
 #include "cursorstr.h"
 #include "dixstruct.h"
 #include "globals.h"
+#include "dixevents.h"
 #include "mipointer.h"
 
 #ifdef XKB
@@ -761,7 +762,7 @@ SwitchCorePointer(DeviceIntPtr pDev)
  * to shift the pointer to get it inside the new bounds.
  */
 void
-PostSyntheticMotion(int x, int y, int screenNum, unsigned long time)
+PostSyntheticMotion(int x, int y, ScreenPtr pScreen, unsigned long time)
 {
     xEvent xE;
 
@@ -770,8 +771,8 @@ PostSyntheticMotion(int x, int y, int screenNum, unsigned long time)
        will translate from sprite screen to screen 0 upon reentry
        to the DIX layer. */
     if (!noPanoramiXExtension) {
-        x += panoramiXdataPtr[0].x - panoramiXdataPtr[screenNum].x;
+        x += panoramiXdataPtr[0].x - panoramiXdataPtr[pScreen->myNum].x;
-        y += panoramiXdataPtr[0].y - panoramiXdataPtr[screenNum].y;
+        y += panoramiXdataPtr[0].y - panoramiXdataPtr[pScreen->myNum].y;
     }
 #endif
 
@@ -779,6 +780,7 @@ PostSyntheticMotion(int x, int y, int screenNum, unsigned long time)
     xE.u.u.type = MotionNotify;
     xE.u.keyButtonPointer.rootX = x;
     xE.u.keyButtonPointer.rootY = y;
+    xE.u.keyButtonPointer.time = time;
 
     (*inputInfo.pointer->public.processInputProc)(&xE, inputInfo.pointer, 1);
 }

fb/fb.h

@@ -1341,6 +1341,9 @@ fbCreateDefColormap(ScreenPtr pScreen);
 void
 fbClearVisualTypes(void);
 
+Bool
+fbHasVisualTypes (int depth);
+
 Bool
 fbSetVisualTypes (int depth, int visuals, int bitsPerRGB);
 

hw/dmx/config/Makefile.am

@@ -27,7 +27,7 @@ endif
 
 AM_YFLAGS = -d
 AM_CFLAGS = \
-	 \
+	$(DIX_CFLAGS) \
 	-I$(top_srcdir)/hw/dmx \
 	$(GLX_INCS) \
 	-DHAVE_DMX_CONFIG_H \

hw/dmx/glxProxy/Makefile.am

@@ -32,7 +32,7 @@ libglxproxy_a_SOURCES = compsize.c \
                         unpack.h
 
 AM_CFLAGS = \
- \
+            $(DIX_CFLAGS) \
             -I$(top_srcdir)/hw/dmx \
             -I$(top_srcdir)/include \
             -I$(top_srcdir)/GL/include \

hw/dmx/input/Makefile.am

@@ -60,7 +60,7 @@ GLX_DEFS = @GL_CFLAGS@
 GLX_INCS = -I@MESA_SOURCE@/include
 endif	    
 
-AM_CFLAGS = \
+AM_CFLAGS = $(DIX_CFLAGS) \
             -I$(top_srcdir)/hw/dmx \
             -I$(top_srcdir)/hw/xfree86/common \
             $(GLX_INCS) \

hw/vfb/Makefile.am

@@ -21,8 +21,8 @@ Xvfb_LDFLAGS =
 AM_CFLAGS = -DHAVE_DIX_CONFIG_H \
             -DNO_HW_ONLY_EXTS \
             -DNO_MODULE_EXTS \
- \
+            $(XVFBMODULES_CFLAGS) \
-            $(XVFBMODULES_CFLAGS)
+	    $(DIX_CFLAGS)
 
 # Man page
 include $(top_srcdir)/cpprules.in

hw/xfree86/Makefile.am

@@ -22,7 +22,7 @@ DIST_SUBDIRS = common ddc dummylib i2c x86emu int10 fbdevhw os-support \
 
 bin_PROGRAMS = Xorg
 
-AM_CFLAGS = @XORG_CFLAGS@
+AM_CFLAGS = $(DIX_CFLAGS) @XORG_CFLAGS@
 INCLUDES = @XORG_INCS@ 
 
 Xorg_SOURCES = xorg.c

hw/xfree86/common/Makefile.am

@@ -94,4 +94,4 @@ if LNXACPI
 XORG_CFLAGS += -DHAVE_ACPI
 endif
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)

hw/xfree86/common/xf86.h

@@ -418,6 +418,14 @@ void xf86PruneDriverModes(ScrnInfoPtr scrp);
 void xf86SetCrtcForModes(ScrnInfoPtr scrp, int adjustFlags);
 void xf86PrintModes(ScrnInfoPtr scrp);
 void xf86ShowClockRanges(ScrnInfoPtr scrp, ClockRangePtr clockRanges);
+double xf86ModeHSync(DisplayModePtr mode);
+double xf86ModeVRefresh(DisplayModePtr mode);
+void xf86SetModeDefaultName(DisplayModePtr mode);
+void xf86SetModeCrtc(DisplayModePtr p, int adjustFlags);
+DisplayModePtr xf86DuplicateMode(DisplayModePtr pMode);
+DisplayModePtr xf86DuplicateModes(ScrnInfoPtr pScrn, DisplayModePtr modeList);
+Bool xf86ModesEqual(DisplayModePtr pMode1, DisplayModePtr pMode2);
+void xf86PrintModeline(int scrnIndex,DisplayModePtr mode);
 
 /* xf86Option.c */
 

hw/xfree86/common/xf86Mode.c

@@ -368,8 +368,9 @@ xf86HandleBuiltinMode(ScrnInfoPtr scrp,
     return MODE_OK;
 }
 
-static double
+/** Calculates the horizontal sync rate of a mode */
-ModeHSync(DisplayModePtr mode)
+_X_EXPORT double
+xf86ModeHSync(DisplayModePtr mode)
 {
     double hsync = 0.0;
     
@@ -381,8 +382,9 @@ ModeHSync(DisplayModePtr mode)
     return hsync;
 }
 
-static double
+/** Calculates the vertical refresh rate of a mode */
-ModeVRefresh(DisplayModePtr mode)
+_X_EXPORT double
+xf86ModeVRefresh(DisplayModePtr mode)
 {
     double refresh = 0.0;
 
@@ -400,6 +402,16 @@ ModeVRefresh(DisplayModePtr mode)
     return refresh;
 }
 
+/** Sets a default mode name of <width>x<height> on a mode. */
+_X_EXPORT void
+xf86SetModeDefaultName(DisplayModePtr mode)
+{
+    if (mode->name != NULL)
+	xfree(mode->name);
+
+    mode->name = XNFprintf("%dx%d", mode->HDisplay, mode->VDisplay);
+}
+
 /*
  * xf86LookupMode
  *
@@ -529,7 +541,7 @@ xf86LookupMode(ScrnInfoPtr scrp, DisplayModePtr modep,
 			ModePrivFlags = cp->PrivFlags;
 			break;
 		    }
-		    refresh = ModeVRefresh(p);
+		    refresh = xf86ModeVRefresh(p);
 		    if (p->Flags & V_INTERLACE)
 			refresh /= INTERLACE_REFRESH_WEIGHT;
 		    if (refresh > bestRefresh) {
@@ -570,7 +582,7 @@ xf86LookupMode(ScrnInfoPtr scrp, DisplayModePtr modep,
 		found = TRUE;
 
 		if (strategy == LOOKUP_BEST_REFRESH) {
-		    refresh = ModeVRefresh(p);
+		    refresh = xf86ModeVRefresh(p);
 		    if (p->Flags & V_INTERLACE)
 			refresh /= INTERLACE_REFRESH_WEIGHT;
 		    if (refresh > bestRefresh) {
@@ -674,7 +686,7 @@ xf86LookupMode(ScrnInfoPtr scrp, DisplayModePtr modep,
  * Initialises the Crtc parameters for a mode.  The initialisation includes
  * adjustments for interlaced and double scan modes.
  */
-static void
+_X_EXPORT void
 xf86SetModeCrtc(DisplayModePtr p, int adjustFlags)
 {
     if ((p == NULL) || ((p->type & M_T_CRTC_C) == M_T_BUILTIN))
@@ -756,6 +768,87 @@ xf86SetModeCrtc(DisplayModePtr p, int adjustFlags)
     }
 }
 
+/**
+ * Allocates and returns a copy of pMode, including pointers within pMode.
+ */
+_X_EXPORT DisplayModePtr
+xf86DuplicateMode(DisplayModePtr pMode)
+{
+    DisplayModePtr pNew;
+
+    pNew = xnfalloc(sizeof(DisplayModeRec));
+    *pNew = *pMode;
+    pNew->next = NULL;
+    pNew->prev = NULL;
+    if (pNew->name == NULL) {
+	xf86SetModeDefaultName(pMode);
+    } else {
+	pNew->name = xnfstrdup(pMode->name);
+    }
+
+    return pNew;
+}
+
+/**
+ * Duplicates every mode in the given list and returns a pointer to the first
+ * mode.
+ *
+ * \param modeList doubly-linked mode list
+ */
+_X_EXPORT DisplayModePtr
+xf86DuplicateModes(ScrnInfoPtr pScrn, DisplayModePtr modeList)
+{
+    DisplayModePtr first = NULL, last = NULL;
+    DisplayModePtr mode;
+
+    for (mode = modeList; mode != NULL; mode = mode->next) {
+	DisplayModePtr new;
+
+	new = xf86DuplicateMode(mode);
+
+	/* Insert pNew into modeList */
+	if (last) {
+	    last->next = new;
+	    new->prev = last;
+	} else {
+	    first = new;
+	    new->prev = NULL;
+	}
+	new->next = NULL;
+	last = new;
+    }
+
+    return first;
+}
+
+/**
+ * Returns true if the given modes should program to the same timings.
+ *
+ * This doesn't use Crtc values, as it might be used on ModeRecs without the
+ * Crtc values set.  So, it's assumed that the other numbers are enough.
+ */
+_X_EXPORT Bool
+xf86ModesEqual(DisplayModePtr pMode1, DisplayModePtr pMode2)
+{
+     if (pMode1->Clock == pMode2->Clock &&
+	 pMode1->HDisplay == pMode2->HDisplay &&
+	 pMode1->HSyncStart == pMode2->HSyncStart &&
+	 pMode1->HSyncEnd == pMode2->HSyncEnd &&
+	 pMode1->HTotal == pMode2->HTotal &&
+	 pMode1->HSkew == pMode2->HSkew &&
+	 pMode1->VDisplay == pMode2->VDisplay &&
+	 pMode1->VSyncStart == pMode2->VSyncStart &&
+	 pMode1->VSyncEnd == pMode2->VSyncEnd &&
+	 pMode1->VTotal == pMode2->VTotal &&
+	 pMode1->VScan == pMode2->VScan &&
+	 pMode1->Flags == pMode2->Flags)
+     {
+	return TRUE;
+     } else {
+	return FALSE;
+     }
+}
+
 /*
  * xf86CheckModeForMonitor
  *
@@ -789,7 +882,7 @@ xf86CheckModeForMonitor(DisplayModePtr mode, MonPtr monitor)
 
     if (monitor->nHsync > 0) {
 	/* Check hsync against the allowed ranges */
-	float hsync = ModeHSync(mode);
+	float hsync = xf86ModeHSync(mode);
 	for (i = 0; i < monitor->nHsync; i++) 
 	    if ((hsync > monitor->hsync[i].lo * (1.0 - SYNC_TOLERANCE)) &&
 		(hsync < monitor->hsync[i].hi * (1.0 + SYNC_TOLERANCE)))
@@ -802,7 +895,7 @@ xf86CheckModeForMonitor(DisplayModePtr mode, MonPtr monitor)
 
     if (monitor->nVrefresh > 0) {
 	/* Check vrefresh against the allowed ranges */
-	float vrefrsh = ModeVRefresh(mode);
+	float vrefrsh = xf86ModeVRefresh(mode);
 	for (i = 0; i < monitor->nVrefresh; i++)
 	    if ((vrefrsh > monitor->vrefresh[i].lo * (1.0 - SYNC_TOLERANCE)) &&
 		(vrefrsh < monitor->vrefresh[i].hi * (1.0 + SYNC_TOLERANCE)))
@@ -1033,8 +1126,8 @@ xf86InitialCheckModeForDriver(ScrnInfoPtr scrp, DisplayModePtr mode,
 		/ (mode->CrtcHTotal * mode->CrtcVTotal);
     }
     
-    mode->HSync = ModeHSync(mode);
+    mode->HSync = xf86ModeHSync(mode);
-    mode->VRefresh = ModeVRefresh(mode);
+    mode->VRefresh = xf86ModeVRefresh(mode);
 
     /* Assume it is OK */
     return MODE_OK;
@@ -1572,7 +1665,7 @@ xf86ValidateModes(ScrnInfoPtr scrp, DisplayModePtr availModes,
 				      "TargetRefresh", 0.0);
     if (targetRefresh > 0.0) {
 	for (p = scrp->modePool; p != NULL; p = p->next) {
-	    if (ModeVRefresh(p) > targetRefresh * (1.0 - SYNC_TOLERANCE))
+	    if (xf86ModeVRefresh(p) > targetRefresh * (1.0 - SYNC_TOLERANCE))
 		break;
 	}
 	if (!p)
@@ -1661,7 +1754,7 @@ xf86ValidateModes(ScrnInfoPtr scrp, DisplayModePtr availModes,
 			 * If there is a target refresh rate, skip modes that
 			 * don't match up.
 			 */
-			if (ModeVRefresh(q) <
+			if (xf86ModeVRefresh(q) <
 			    (1.0 - SYNC_TOLERANCE) * targetRefresh)
 			    continue;
 
@@ -1981,8 +2074,8 @@ add(char **p, char *new)
     strcat(*p, new);
 }
 
-static void
+_X_EXPORT void
-PrintModeline(int scrnIndex,DisplayModePtr mode)
+xf86PrintModeline(int scrnIndex,DisplayModePtr mode)
 {
     char tmp[256];
     char *flags = xnfcalloc(1, 1);
@@ -2037,8 +2130,8 @@ xf86PrintModes(ScrnInfoPtr scrp)
 
     do {
 	desc = desc2 = "";
-	hsync = ModeHSync(p);
+	hsync = xf86ModeHSync(p);
-	refresh = ModeVRefresh(p);
+	refresh = xf86ModeVRefresh(p);
 	if (p->Flags & V_INTERLACE) {
 	    desc = " (I)";
 	}
@@ -2081,7 +2174,7 @@ xf86PrintModes(ScrnInfoPtr scrp)
 			p->SynthClock / 1000.0, hsync, refresh, desc, desc2);
 	}
 	if (hsync != 0 && refresh != 0)
-	    PrintModeline(scrp->scrnIndex,p);
+	    xf86PrintModeline(scrp->scrnIndex,p);
 	p = p->next;
     } while (p != NULL && p != scrp->modes);
 }

hw/xfree86/ddc/Makefile.am

@@ -8,6 +8,6 @@ libddc_la_SOURCES = xf86DDC.c edid.c interpret_edid.c print_edid.c \
 
 INCLUDES = $(XORG_INCS) -I$(srcdir)/../i2c
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
 
 EXTRA_DIST = ddcPriv.h DDC.HOWTO

hw/xfree86/dixmods/extmod/Makefile.am

@@ -11,7 +11,7 @@ if XV
 XV_SRCS = xvmod.c xvmodproc.h
 endif
 
-AM_CFLAGS = @XORG_CFLAGS@
+AM_CFLAGS = @DIX_CFLAGS@ @XORG_CFLAGS@
 INCLUDES = @XORG_INCS@ \
            -I$(top_srcdir)/afb \
            -I$(top_srcdir)/mfb \

hw/xfree86/dri/Makefile.am

@@ -7,7 +7,7 @@ libdri_la_CFLAGS = -I$(top_srcdir)/hw/xfree86/common \
                    -I$(top_builddir)/GL/include \
 		   -I@MESA_SOURCE@/include \
                    -DHAVE_XORG_CONFIG_H \
-                   @DRIPROTO_CFLAGS@ \
+                   @DIX_CFLAGS@ @DRIPROTO_CFLAGS@ \
                    @LIBDRM_CFLAGS@ \
                    @GL_CFLAGS@
 libdri_la_LDFLAGS = -module -avoid-version @LIBDRM_LIBS@

hw/xfree86/dummylib/Makefile.am

@@ -6,7 +6,7 @@ noinst_LIBRARIES = libdummy-nonserver.a
 
 INCLUDES = $(XORG_INCS)
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
 
 if NEED_STRLCAT
 STRL_SRCS = $(top_srcdir)/os/strlcat.c $(top_srcdir)/os/strlcpy.c

hw/xfree86/exa/Makefile.am

@@ -7,7 +7,7 @@ INCLUDES = \
 	-I$(srcdir)/../../../exa \
 	-I$(srcdir)/../../../miext/cw
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
 
 libexa_la_SOURCES = \
 	examodule.c

hw/xfree86/fbdevhw/Makefile.am

@@ -11,7 +11,7 @@ endif
 
 INCLUDES = $(XORG_INCS) -I$(srcdir)/../i2c
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
 
 sdk_HEADERS = fbdevhw.h
 

hw/xfree86/i2c/Makefile.am

@@ -15,7 +15,7 @@ libi2c_la_SOURCES = xf86i2c.c xf86i2cmodule.c
 
 INCLUDES = $(XORG_INCS)
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
 
 sdk_HEADERS = xf86i2c.h bt829.h fi1236.h msp3430.h tda8425.h tda9850.h tda9885.h uda1380.h i2c_def.h
 

hw/xfree86/int10/Makefile.am

@@ -18,7 +18,7 @@ I386_VIDEO_CFLAGS = -D_PC
 endif
 
 if INT10_VM86
-AM_CFLAGS = $(I386_VIDEO_CFLAGS) -D_VM86_LINUX $(XORG_CFLAGS) $(EXTRA_CFLAGS)
+AM_CFLAGS = $(I386_VIDEO_CFLAGS) -D_VM86_LINUX $(DIX_CFLAGS) $(XORG_CFLAGS) $(EXTRA_CFLAGS)
 INCLUDES = $(XORG_INCS)
 libint10_la_SOURCES = \
 	$(COMMON_SOURCES) \
@@ -28,7 +28,7 @@ endif
 
 if INT10_X86EMU
 AM_CFLAGS = $(I386_VIDEO_CFLAGS) -D_X86EMU -DNO_SYS_HEADERS \
-           $(XORG_CFLAGS) $(EXTRA_CFLAGS)
+           $(XORG_CFLAGS) $(EXTRA_CFLAGS) $(DIX_CFLAGS)
 INCLUDES = $(XORG_INCS) -I$(srcdir)/../x86emu
 libint10_la_SOURCES = \
 	$(COMMON_SOURCES) \
@@ -38,7 +38,7 @@ libint10_la_SOURCES = \
 endif
 
 if INT10_STUB
-AM_CFLAGS = $(I386_VIDEO_CFLAGS) -D_VM86_LINUX $(XORG_CFLAGS) $(EXTRA_CFLAGS)
+AM_CFLAGS = $(I386_VIDEO_CFLAGS) -D_VM86_LINUX $(DIX_CFLAGS) $(XORG_CFLAGS) $(EXTRA_CFLAGS)
 libint10_la_SOURCES = stub.c xf86int10module.c
 endif
 

hw/xfree86/loader/Makefile.am

@@ -5,7 +5,7 @@ INCLUDES = $(XORG_INCS) -I$(srcdir)/../parser -I$(srcdir)/../dixmods/extmod \
 	   -I$(srcdir)/../ddc -I$(srcdir)/../i2c
 
 #AM_LDFLAGS = -r
-AM_CFLAGS = -DIN_LOADER $(XORG_CFLAGS)
+AM_CFLAGS = -DIN_LOADER $(DIX_CFLAGS) $(XORG_CFLAGS)
 
 if XORG_LOADER_SPARC
 SPARC_SOURCES = SparcMulDiv.S

hw/xfree86/os-support/Makefile.am

@@ -15,6 +15,8 @@ libxorgos_la_LIBADD = @XORG_OS_SUBDIR@/lib@XORG_OS_SUBDIR@.la \
                       bus/libbus.la \
                       misc/libmisc.la
 
+AM_CFLAGS = $(DIX_CFLAGS) 
+
 xorgos.c:
 	touch $@
 

hw/xfree86/os-support/bsd/Makefile.am

@@ -50,7 +50,7 @@ ARCH_SOURCES = \
 endif
 
 # FIXME: NetBSD Aperture defines (configure.ac)
-AM_CFLAGS = -DUSESTDRES $(XORG_CFLAGS)
+AM_CFLAGS = -DUSESTDRES $(XORG_CFLAGS) $(DIX_CFLAGS)
 
 INCLUDES = $(XORG_INCS)
 

hw/xfree86/os-support/bus/Makefile.am

@@ -53,6 +53,6 @@ libbus_la_SOURCES = Pci.c Pci.h $(PCI_SOURCES) $(PLATFORM_PCI_SOURCES) \
 
 INCLUDES = $(XORG_INCS)
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(XORG_CFLAGS) $(DIX_CFLAGS)
 
 EXTRA_DIST = $(sdk_HEADERS)

hw/xfree86/os-support/hurd/Makefile.am

@@ -12,6 +12,6 @@ libhurd_la_SOURCES = hurd_bell.c hurd_init.c hurd_mmap.c \
 		$(srcdir)/../shared/kmod_noop.c \
 		$(srcdir)/../shared/agp_noop.c
 
-AM_CFLAGS = -DUSESTDRES -DHAVE_SYSV_IPC $(XORG_CFLAGS)
+AM_CFLAGS = -DUSESTDRES -DHAVE_SYSV_IPC $(XORG_CFLAGS) $(DIX_CFLAGS)
 
 INCLUDES = $(XORG_INCS)

hw/xfree86/os-support/linux/Makefile.am

@@ -34,7 +34,7 @@ liblinux_la_SOURCES = lnx_init.c lnx_video.c lnx_mouse.c \
                      $(APM_SRCS) \
                      $(PLATFORM_PCI_SUPPORT)
 
-AM_CFLAGS = -DUSESTDRES -DHAVE_SYSV_IPC $(XORG_CFLAGS) $(PLATFORM_DEFINES)
+AM_CFLAGS = -DUSESTDRES -DHAVE_SYSV_IPC $(DIX_CFLAGS) $(XORG_CFLAGS) $(PLATFORM_DEFINES)
 
 INCLUDES = $(XORG_INCS) $(PLATFORM_INCLUDES) -I/usr/include/drm # FIXME this last part is crack
 

hw/xfree86/os-support/misc/Makefile.am

@@ -18,6 +18,6 @@ libmisc_la_SOURCES = xf86_Util.c Delay.c $(ARCH_SRCS)
 
 INCLUDES = $(XORG_INCS)
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(XORG_CFLAGS) $(DIX_CFLAGS)
 
 EXTRA_DIST = $(I386_SRCS) $(PORTIO_SRCS) $(ILHACK_SRCS)

hw/xfree86/os-support/solaris/Makefile.am

@@ -30,7 +30,7 @@ nodist_libsolaris_la_SOURCES = $(SOLARIS_INOUT_SRC)
 sdk_HEADERS = agpgart.h
 nodist_sdk_HEADERS = solaris-$(SOLARIS_INOUT_ARCH).il
 
-AM_CFLAGS = -DUSESTDRES -DHAVE_SYSV_IPC $(XORG_CFLAGS)
+AM_CFLAGS = -DUSESTDRES -DHAVE_SYSV_IPC $(XORG_CFLAGS) $(DIX_CFLAGS)
 
 INCLUDES = $(XORG_INCS) 
 

hw/xfree86/parser/Makefile.am

@@ -25,7 +25,7 @@ libxf86config_a_SOURCES = \
 	DRI.c \
 	Extensions.c
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
 
 EXTRA_DIST = \
 	Configint.h \

hw/xfree86/rac/Makefile.am

@@ -5,4 +5,4 @@ sdk_HEADERS = xf86RAC.h
 
 INCLUDES = $(XORG_INCS)
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)

hw/xfree86/ramdac/Makefile.am

@@ -13,7 +13,7 @@ EXTRA_DIST = BTPriv.h IBMPriv.h TIPriv.h xf86CursorPriv.h xf86RamDacPriv.h \
 	CURSOR.NOTES
 
 AM_CFLAGS = -DXAAReverseBitOrder=xf86ReverseBitOrder -DRAMDAC_MODULE \
-            $(XORG_CFLAGS)
+            $(DIX_CFLAGS) $(XORG_CFLAGS)
 INCLUDES = $(XORG_INCS)
 
 xf86BitOrder.c:

hw/xfree86/scanpci/Makefile.am

@@ -8,7 +8,7 @@ libscanpci_la_SOURCES = xf86ScanPci.c
 
 INCLUDES = $(XORG_INCS)
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
 
 BUILT_SOURCES = xf86PciIds.h
 

hw/xfree86/shadowfb/Makefile.am

@@ -6,4 +6,4 @@ sdk_HEADERS = shadowfb.h
 
 INCLUDES = $(XORG_INCS)
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)

hw/xfree86/vbe/Makefile.am

@@ -4,7 +4,7 @@ libvbe_la_SOURCES = vbe.c vbeModes.c vbe_module.c
 
 sdk_HEADERS = vbe.h vbeModes.h
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
 
 INCLUDES = $(XORG_INCS) -I$(srcdir)/../ddc -I$(srcdir)/../i2c \
            -I$(srcdir)/../int10

hw/xfree86/vgahw/Makefile.am

@@ -2,7 +2,7 @@ module_LTLIBRARIES = libvgahw.la
 libvgahw_la_LDFLAGS = -avoid-version
 libvgahw_la_SOURCES = vgaHW.c vgaHWmodule.c
 INCLUDES = $(XORG_INCS) -I$(srcdir)/../ddc -I$(srcdir)/../i2c
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
 
 sdk_HEADERS = vgaHW.h
 

hw/xfree86/x86emu/Makefile.am

@@ -11,7 +11,7 @@ libx86emu_a_SOURCES = debug.c \
 
 INCLUDES = 
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
 
 EXTRA_DIST = validate.c \
              x86emu/debug.h \

hw/xfree86/xaa/Makefile.am

@@ -68,4 +68,4 @@ EXTRA_DIST = xaacexp.h xaawrap.h xaaLine.c xaaDashLine.c \
 
 INCLUDES = $(XORG_INCS)
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)

hw/xfree86/xf4bpp/Makefile.am

@@ -59,4 +59,4 @@ mfbseg.c:
 
 INCLUDES = $(XORG_INCS) -I$(srcdir)/../xf1bpp -I$(top_srcdir)/mfb
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)

hw/xfree86/xf8_16bpp/Makefile.am

@@ -4,7 +4,7 @@ sdk_HEADERS = cfb8_16.h
 
 INCLUDES = $(XORG_INCS) -I$(top_srcdir)/fb
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
 
 libxf8_16bpp_la_LDFLAGS = -avoid-version
 

hw/xfree86/xf8_32bpp/Makefile.am

@@ -4,7 +4,7 @@ sdk_HEADERS = cfb8_32.h
 
 INCLUDES = $(XORG_INCS) -I$(top_srcdir)/mfb -I$(top_srcdir)/cfb
 
-AM_CFLAGS = $(XORG_CFLAGS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
 
 libxf8_32bpp_la_LDFLAGS = -avoid-version
 

hw/xgl/Makefile.am

@@ -19,7 +19,7 @@ SUBDIRS = 		\
 	$(XEGL_SUBDIRS)
 
 AM_CFLAGS = \
-	 \
+	 $(DIX_CFLAGS) \
 	-DHAVE_XGL_CONFIG_H \
 	-DHAVE_DIX_CONFIG_H \
 	-I$(top_srcdir)/GL/glx			\

hw/xgl/egl/Makefile.am

@@ -9,7 +9,7 @@ SUBDIRS =		  \
 	$(XGL_MODULE_DIRS)
 
 AM_CFLAGS = \
-	 \
+	$(DIX_CFLAGS) \
 	-DHAVE_XGL_CONFIG_H \
 	-DHAVE_DIX_CONFIG_H \
 	$(XEGLMODULES_CFLAGS)

hw/xgl/egl/module/Makefile.am

@@ -1,4 +1,5 @@
 AM_CFLAGS = \
+        $(DIX_CFLAGS) \
 	-I$(srcdir)/.. \
 	-I$(srcdir)/../.. \
 	$(XEGLMODULES_CFLAGS)

hw/xgl/glx/Makefile.am

@@ -15,7 +15,7 @@ AM_CFLAGS = \
 	-I$(top_srcdir)/GL/include \
 	-I@MESA_SOURCE@/include \
 	-I@MESA_SOURCE@/src/mesa/glapi \
-	 \
+	 $(DIX_CFLAGS) \
 	-DHAVE_XGL_CONFIG_H \
 	-DHAVE_DIX_CONFIG_H \
 	$(XGLXMODULES_CFLAGS)

hw/xgl/glx/module/Makefile.am

@@ -2,7 +2,7 @@ if GLX
 GLX_LIB = $(top_builddir)/hw/xgl/glxext/libxglglxext.la
 endif
 
-AM_CFLAGS = \
+AM_CFLAGS = $(DIX_CFLAGS) \
 	-I$(srcdir)/.. \
 	-I$(srcdir)/../.. \
 	$(XGLXMODULES_CFLAGS)

hw/xgl/glxext/Makefile.am

@@ -1,7 +1,7 @@
 SUBDIRS = module
 
 AM_CFLAGS =		 \
-	 \
+	 $(DIX_CFLAGS) \
 	-DHAVE_XGL_CONFIG_H \
 	-DHAVE_DIX_CONFIG_H \
 	$(XGLMODULES_CFLAGS) \

hw/xgl/glxext/module/Makefile.am

@@ -1,5 +1,5 @@
 AM_CFLAGS = \
-	    \
+	$(DIX_CFLAGS) \
 	-DHAVE_XGL_CONFIG_H \
 	-DHAVE_DIX_CONFIG_H \
 	$(XGLMODULES_CFLAGS) \

hw/xwin/Makefile.am

@@ -161,7 +161,7 @@ CLEANFILES = $(BUILT_SOURCES)
 
 AM_YFLAGS = -d
 AM_LFLAGS = -i
-AM_CFLAGS = -DHAVE_XWIN_CONFIG_H \
+AM_CFLAGS = -DHAVE_XWIN_CONFIG_H $(DIX_CFLAGS) \
             $(XWINMODULES_CFLAGS)
 
 dist_man1_MANS = XWin.man XWinrc.man

include/dix-config.h.in

@@ -127,6 +127,9 @@
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 
+/* Define to 1 if you have version 2.2 (or newer) of the drm library */
+#undef HAVE_LIBDRM_2_2
+
 /* Define to 1 if you have the `m' library (-lm). */
 #undef HAVE_LIBM
 

include/dixevents.h

@@ -102,4 +102,8 @@ extern int ProcUngrabButton(ClientPtr /* client */);
 
 extern int ProcRecolorCursor(ClientPtr /* client */);
 
+#ifdef PANORAMIX
+extern void PostSyntheticMotion(int x, int y, ScreenPtr pScreen, unsigned long time);
+#endif
+
 #endif /* DIXEVENTS_H */

include/input.h

@@ -421,7 +421,7 @@ extern int GetProximityEvents(
 extern void PostSyntheticMotion(
     int x,
     int y,
-    int screenNum,
+    ScreenPtr pScreen,
     unsigned long time);
 
 extern int GetMotionHistorySize(

randr/Makefile.am

@@ -9,4 +9,14 @@ endif
 librandr_la_SOURCES =	\
 	mirandr.c	\
 	randr.c		\
-	randrstr.h
+	randrstr.h	\
+	rrcrtc.c	\
+	rrdispatch.c	\
+	rrinfo.c	\
+	rrmode.c	\
+	rroutput.c	\
+	rrpointer.c	\
+	rrproperty.c	\
+	rrscreen.c	\
+	rrsdispatch.c	\
+	rrxinerama.c

randr/mirandr.c

@@ -1,39 +1,77 @@
 /*
- *
+ * Copyright © 2000 Compaq Computer Corporation
- * Copyright © 2000, Compaq Computer Corporation, 
+ * Copyright © 2002 Hewlett-Packard Company
- * Copyright © 2002, Hewlett Packard, Inc.
+ * Copyright © 2006 Intel Corporation
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
+ * the above copyright notice appear in all copies and that both that copyright
- * copyright notice and this permission notice appear in supporting
+ * notice and this permission notice appear in supporting documentation, and
- * documentation, and that the name of Compaq or HP not be used in advertising
+ * that the name of the copyright holders not be used in advertising or
- * or publicity pertaining to distribution of the software without specific,
+ * publicity pertaining to distribution of the software without specific,
- * written prior permission.  HP makes no representations about the
+ * written prior permission.  The copyright holders make no representations
- * suitability of this software for any purpose.  It is provided "as is"
+ * about the suitability of this software for any purpose.  It is provided "as
- * without express or implied warranty.
+ * is" without express or implied warranty.
  *
- * HP DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL HP
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
  *
- * Author:  Jim Gettys, HP Labs, Hewlett-Packard, Inc.
+ * Author:  Jim Gettys, Hewlett-Packard Company, Inc.
+ *	    Keith Packard, Intel Corporation
  */
 
-
 #ifdef HAVE_DIX_CONFIG_H
 #include <dix-config.h>
 #endif
 
 #include "scrnintstr.h"
 #include "mi.h"
-#include <X11/extensions/randr.h>
 #include "randrstr.h"
 #include <stdio.h>
 
+Bool
+miRRGetInfo (ScreenPtr pScreen, Rotation *rotations)
+{
+    return TRUE;
+}
+
+/*
+ * Any hardware that can actually change anything will need something
+ * different here
+ */
+Bool
+miRRCrtcSet (ScreenPtr	pScreen,
+	     RRCrtcPtr	crtc,
+	     RRModePtr	mode,
+	     int	x,
+	     int	y,
+	     Rotation	rotation,
+	     int	numOutput,
+	     RROutputPtr *outputs)
+{
+    return TRUE;
+}
+
+static Bool
+miRRCrtcSetGamma (ScreenPtr	pScreen,
+		  RRCrtcPtr	crtc)
+{
+    return TRUE;
+}
+
+static Bool
+miRROutputSetProperty (ScreenPtr	pScreen,
+		       RROutputPtr	output,
+		       Atom	property)
+{
+    return TRUE;
+}
+
 /*
  * This function assumes that only a single depth can be
  * displayed at a time, but that all visuals of that depth
@@ -43,59 +81,65 @@
  * XXX what to do here....
  */
 
-Bool
-miRRGetInfo (ScreenPtr pScreen, Rotation *rotations)
-{
-    int	i;
-    Bool setConfig = FALSE;
-    
-    *rotations = RR_Rotate_0;
-    for (i = 0; i < pScreen->numDepths; i++)
-    {
-	if (pScreen->allowedDepths[i].numVids)
-	{
-		RRScreenSizePtr		pSize;
-
-		pSize = RRRegisterSize (pScreen,
-					pScreen->width,
-					pScreen->height,
-					pScreen->mmWidth,
-					pScreen->mmHeight);
-		if (!pSize)
-		    return FALSE;
-		if (!setConfig)
-		{
-		    RRSetCurrentConfig (pScreen, RR_Rotate_0, 0, pSize);
-		    setConfig = TRUE;
-		}
-	}
-    }
-    return TRUE;
-}
-
-/*
- * Any hardware that can actually change anything will need something
- * different here
- */
-Bool
-miRRSetConfig (ScreenPtr	pScreen,
-	       Rotation		rotation,
-	       int		rate,
-	       RRScreenSizePtr	pSize)
-{
-    return TRUE;
-}
-
-
 Bool
 miRandRInit (ScreenPtr pScreen)
 {
-    rrScrPrivPtr    rp;
+    rrScrPrivPtr    pScrPriv;
+#if RANDR_12_INTERFACE
+    RRModePtr	mode;
+    RRCrtcPtr	crtc;
+    RROutputPtr	output;
+    xRRModeInfo modeInfo;
+    char	name[64];
+#endif
     
     if (!RRScreenInit (pScreen))
 	return FALSE;
-    rp = rrGetScrPriv(pScreen);
+    pScrPriv = rrGetScrPriv(pScreen);
-    rp->rrGetInfo = miRRGetInfo;
+    pScrPriv->rrGetInfo = miRRGetInfo;
-    rp->rrSetConfig = miRRSetConfig;
+#if RANDR_12_INTERFACE
+    pScrPriv->rrCrtcSet = miRRCrtcSet;
+    pScrPriv->rrCrtcSetGamma = miRRCrtcSetGamma;
+    pScrPriv->rrOutputSetProperty = miRROutputSetProperty;
+    
+    
+    RRScreenSetSizeRange (pScreen,
+			  pScreen->width, pScreen->height,
+			  pScreen->width, pScreen->height);
+
+    sprintf (name, "%dx%d", pScreen->width, pScreen->height);
+    memset (&modeInfo, '\0', sizeof (modeInfo));
+    modeInfo.width = pScreen->width;
+    modeInfo.height = pScreen->height;
+    modeInfo.nameLength = strlen (name);
+    
+    mode = RRModeGet (&modeInfo, name);
+    if (!mode)
+	return FALSE;
+    
+    crtc = RRCrtcCreate (NULL);
+    if (!crtc)
+	return FALSE;
+    if (!RRCrtcAttachScreen (crtc, pScreen))
+    {
+	RRCrtcDestroy (crtc);
+	return FALSE;
+    }
+    
+    output = RROutputCreate ("screen", 6, NULL);
+    if (!output)
+	return FALSE;
+    if (!RROutputAttachScreen (output, pScreen))
+	return FALSE;
+    if (!RROutputSetClones (output, NULL, 0))
+	return FALSE;
+    if (!RROutputSetModes (output, &mode, 1, 0))
+	return FALSE;
+    if (!RROutputSetCrtcs (output, &crtc, 1))
+	return FALSE;
+    if (!RROutputSetConnection (output, RR_Connected))
+	return FALSE;
+    RRCrtcNotify (crtc, mode, 0, 0, RR_Rotate_0, 1, &output);
+#endif
     return TRUE;
 }

randr/randrstr.h

@@ -1,24 +1,28 @@
 /*
- *
  * Copyright © 2000 Compaq Computer Corporation
+ * Copyright © 2002 Hewlett-Packard Company
+ * Copyright © 2006 Intel Corporation
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
+ * the above copyright notice appear in all copies and that both that copyright
- * copyright notice and this permission notice appear in supporting
+ * notice and this permission notice appear in supporting documentation, and
- * documentation, and that the name of Compaq not be used in
+ * that the name of the copyright holders not be used in advertising or
- * advertising or publicity pertaining to distribution of the software without
+ * publicity pertaining to distribution of the software without specific,
- * specific, written prior permission.  Compaq makes no
+ * written prior permission.  The copyright holders make no representations
- * representations about the suitability of this software for any purpose.  It
+ * about the suitability of this software for any purpose.  It is provided "as
- * is provided "as is" without express or implied warranty.
+ * is" without express or implied warranty.
  *
- * COMPAQ DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL COMPAQ BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * PERFORMANCE OF THIS SOFTWARE.
+ * OF THIS SOFTWARE.
+ *
+ * Author:  Jim Gettys, Hewlett-Packard Company, Inc.
+ *	    Keith Packard, Intel Corporation
  */
 
 #ifdef HAVE_DIX_CONFIG_H
@@ -28,56 +32,198 @@
 #ifndef _RANDRSTR_H_
 #define _RANDRSTR_H_
 
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "os.h"
+#include "dixstruct.h"
+#include "resource.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include "pixmapstr.h"
+#include "extnsionst.h"
+#include "servermd.h"
 #include <X11/extensions/randr.h>
+#include <X11/extensions/randrproto.h>
+#ifdef RENDER
+#include <X11/extensions/render.h> 	/* we share subpixel order information */
+#include "picturestr.h"
+#endif
+#include <X11/Xfuncproto.h>
 
-typedef struct _rrScreenRate {
+/* required for ABI compatibility for now */
-    int		    rate;
+#define RANDR_10_INTERFACE 1
-    Bool	    referenced;
+#define RANDR_12_INTERFACE 1
-    Bool	    oldReferenced;
+
+typedef XID	RRMode;
+typedef XID	RROutput;
+typedef XID	RRCrtc;
+
+extern int	RREventBase, RRErrorBase;
+
+extern int (*ProcRandrVector[RRNumberRequests])(ClientPtr);
+extern int (*SProcRandrVector[RRNumberRequests])(ClientPtr);
+    
+/*
+ * Modeline for a monitor. Name follows directly after this struct
+ */
+
+#define RRModeName(pMode) ((char *) (pMode + 1))
+typedef struct _rrMode	    RRModeRec, *RRModePtr;
+typedef struct _rrCrtc	    RRCrtcRec, *RRCrtcPtr;
+typedef struct _rrOutput    RROutputRec, *RROutputPtr;
+
+struct _rrMode {
+    int		    refcnt;
+    xRRModeInfo	    mode;
+    char	    *name;
+    void	    *devPrivate;
+    Bool	    userDefined;
+};
+
+struct _rrCrtc {
+    RRCrtc	    id;
+    ScreenPtr	    pScreen;
+    RRModePtr	    mode;
+    int		    x, y;
+    Rotation	    rotation;
+    Rotation	    rotations;
+    Bool	    changed;
+    int		    numOutputs;
+    RROutputPtr	    *outputs;
+    int		    gammaSize;
+    CARD16	    *gammaRed;
+    CARD16	    *gammaBlue;
+    CARD16	    *gammaGreen;
+    void	    *devPrivate;
+};
+
+struct _rrOutput {
+    RROutput	    id;
+    ScreenPtr	    pScreen;
+    char	    *name;
+    int		    nameLength;
+    CARD8	    connection;
+    CARD8	    subpixelOrder;
+    int		    mmWidth;
+    int		    mmHeight;
+    RRCrtcPtr	    crtc;
+    int		    numCrtcs;
+    RRCrtcPtr	    *crtcs;
+    int		    numClones;
+    RROutputPtr	    *clones;
+    int		    numModes;
+    int		    numPreferred;
+    RRModePtr	    *modes;
+    Bool	    changed;
+    PropertyPtr	    properties;
+    void	    *devPrivate;
+};
+
+#if RANDR_12_INTERFACE
+typedef Bool (*RRScreenSetSizeProcPtr) (ScreenPtr	pScreen,
+					CARD16		width,
+					CARD16		height,
+					CARD32		mmWidth,
+					CARD32		mmHeight);
+					
+typedef Bool (*RRCrtcSetProcPtr) (ScreenPtr		pScreen,
+				  RRCrtcPtr		crtc,
+				  RRModePtr		mode,
+				  int			x,
+				  int			y,
+				  Rotation		rotation,
+				  int			numOutputs,
+				  RROutputPtr		*outputs);
+
+typedef Bool (*RRCrtcSetGammaProcPtr) (ScreenPtr	pScreen,
+				       RRCrtcPtr	crtc);
+
+typedef Bool (*RROutputSetPropertyProcPtr) (ScreenPtr	pScreen,
+					    RROutputPtr	output,
+					    Atom	property);
+
+#endif
+
+typedef Bool (*RRGetInfoProcPtr) (ScreenPtr pScreen, Rotation *rotations);
+typedef Bool (*RRCloseScreenProcPtr) ( int i, ScreenPtr pscreen);
+
+/* These are for 1.0 compatibility */
+ 
+typedef struct _rrRefresh {
+    CARD16	    rate;
+    RRModePtr	    mode;
 } RRScreenRate, *RRScreenRatePtr;
 
 typedef struct _rrScreenSize {
     int		    id;
     short	    width, height;
     short	    mmWidth, mmHeight;
-    RRScreenRatePtr pRates;
     int		    nRates;
-    int		    nRatesInUse;
+    RRScreenRatePtr pRates;
-    Bool	    referenced;
-    Bool	    oldReferenced;
 } RRScreenSize, *RRScreenSizePtr;
 
+#ifdef RANDR_10_INTERFACE
+
 typedef Bool (*RRSetConfigProcPtr) (ScreenPtr		pScreen,
 				    Rotation		rotation,
 				    int			rate,
 				    RRScreenSizePtr	pSize);
 
-typedef Bool (*RRGetInfoProcPtr) (ScreenPtr pScreen, Rotation *rotations);
+#endif
-typedef Bool (*RRCloseScreenProcPtr) ( int i, ScreenPtr pscreen);
 	
+
 typedef struct _rrScrPriv {
+    /*
+     * 'public' part of the structure; DDXen fill this in
+     * as they initialize
+     */
+#if RANDR_10_INTERFACE
     RRSetConfigProcPtr	    rrSetConfig;
+#endif
     RRGetInfoProcPtr	    rrGetInfo;
+#if RANDR_12_INTERFACE
+    RRScreenSetSizeProcPtr  rrScreenSetSize;
+    RRCrtcSetProcPtr	    rrCrtcSet;
+    RRCrtcSetGammaProcPtr   rrCrtcSetGamma;
+    RROutputSetPropertyProcPtr	rrOutputSetProperty;
+#endif
     
+    /*
+     * Private part of the structure; not considered part of the ABI
+     */
     TimeStamp		    lastSetTime;	/* last changed by client */
     TimeStamp		    lastConfigTime;	/* possible configs changed */
     RRCloseScreenProcPtr    CloseScreen;
+    Bool		    changed;		/* some config changed */
+    CARD16		    minWidth, minHeight;
+    CARD16		    maxWidth, maxHeight;
+    CARD16		    width, height;	/* last known screen size */
+    Bool		    layoutChanged;	/* screen layout changed */
 
+    int			    numOutputs;
+    RROutputPtr		    *outputs;
+
+    int			    numCrtcs;
+    RRCrtcPtr		    *crtcs;
+
+    /* Last known pointer position */
+    RRCrtcPtr		    pointerCrtc;
+
+#ifdef RANDR_10_INTERFACE
     /*
      * Configuration information
      */
     Rotation		    rotations;
+    CARD16		    reqWidth, reqHeight;
     
     int			    nSizes;
-    int			    nSizesInUse;
     RRScreenSizePtr	    pSizes;
-
+    
-    /*
-     * Current state
-     */
     Rotation		    rotation;
-    int			    size;
     int			    rate;
+    int			    size;
+#endif
 } rrScrPrivRec, *rrScrPrivPtr;
 
 extern int rrPrivIndex;
@@ -86,10 +232,169 @@ extern int rrPrivIndex;
 #define rrScrPriv(pScr)	rrScrPrivPtr    pScrPriv = rrGetScrPriv(pScr)
 #define SetRRScreen(s,p) ((s)->devPrivates[rrPrivIndex].ptr = (pointer) (p))
 
+/*
+ * each window has a list of clients requesting
+ * RRNotify events.  Each client has a resource
+ * for each window it selects RRNotify input for,
+ * this resource is used to delete the RRNotifyRec
+ * entry from the per-window queue.
+ */
+
+typedef struct _RREvent *RREventPtr;
+
+typedef struct _RREvent {
+    RREventPtr  next;
+    ClientPtr	client;
+    WindowPtr	window;
+    XID		clientResource;
+    int		mask;
+} RREventRec;
+
+typedef struct _RRTimes {
+    TimeStamp	setTime;
+    TimeStamp	configTime;
+} RRTimesRec, *RRTimesPtr;
+
+typedef struct _RRClient {
+    int		major_version;
+    int		minor_version;
+/*  RRTimesRec	times[0]; */
+} RRClientRec, *RRClientPtr;
+
+extern RESTYPE	RRClientType, RREventType; /* resource types for event masks */
+extern int	RRClientPrivateIndex;
+extern RESTYPE	RRCrtcType, RRModeType, RROutputType;
+
+#define LookupOutput(client,id,a) ((RROutputPtr) \
+				   (SecurityLookupIDByType (client, id, \
+							    RROutputType, a)))
+#define LookupCrtc(client,id,a) ((RRCrtcPtr) \
+				 (SecurityLookupIDByType (client, id, \
+							  RRCrtcType, a)))
+#define LookupMode(client,id,a) ((RRModePtr) \
+				 (SecurityLookupIDByType (client, id, \
+							  RRModeType, a)))
+
+#define GetRRClient(pClient)    ((RRClientPtr) (pClient)->devPrivates[RRClientPrivateIndex].ptr)
+#define rrClientPriv(pClient)	RRClientPtr pRRClient = GetRRClient(pClient)
+
 /* Initialize the extension */
 void
 RRExtensionInit (void);
 
+#ifdef RANDR_12_INTERFACE
+/*
+ * Set the range of sizes for the screen
+ */
+void
+RRScreenSetSizeRange (ScreenPtr	pScreen,
+		      CARD16	minWidth,
+		      CARD16	minHeight,
+		      CARD16	maxWidth,
+		      CARD16	maxHeight);
+#endif
+
+/* rrscreen.c */
+/*
+ * Notify the extension that the screen size has been changed.
+ * The driver is responsible for calling this whenever it has changed
+ * the size of the screen
+ */
+void
+RRScreenSizeNotify (ScreenPtr	pScreen);
+
+/*
+ * Request that the screen be resized
+ */
+Bool
+RRScreenSizeSet (ScreenPtr  pScreen,
+		 CARD16	    width,
+		 CARD16	    height,
+		 CARD32	    mmWidth,
+		 CARD32	    mmHeight);
+
+/*
+ * Send ConfigureNotify event to root window when 'something' happens
+ */
+void
+RRSendConfigNotify (ScreenPtr pScreen);
+    
+/*
+ * screen dispatch
+ */
+int 
+ProcRRGetScreenSizeRange (ClientPtr client);
+
+int
+ProcRRSetScreenSize (ClientPtr client);
+
+int
+ProcRRGetScreenResources (ClientPtr client);
+
+int
+ProcRRSetScreenConfig (ClientPtr client);
+
+int
+ProcRRGetScreenInfo (ClientPtr client);
+
+/*
+ * Deliver a ScreenNotify event
+ */
+void
+RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen);
+    
+/* mirandr.c */
+Bool
+miRandRInit (ScreenPtr pScreen);
+
+Bool
+miRRGetInfo (ScreenPtr pScreen, Rotation *rotations);
+
+Bool
+miRRGetScreenInfo (ScreenPtr pScreen);
+
+Bool
+miRRCrtcSet (ScreenPtr	pScreen,
+	     RRCrtcPtr	crtc,
+	     RRModePtr	mode,
+	     int	x,
+	     int	y,
+	     Rotation	rotation,
+	     int	numOutput,
+	     RROutputPtr *outputs);
+
+/* randr.c */
+/*
+ * Send all pending events
+ */
+void
+RRTellChanged (ScreenPtr pScreen);
+
+/*
+ * Poll the driver for changed information
+ */
+Bool
+RRGetInfo (ScreenPtr pScreen);
+
+Bool RRInit (void);
+
+Bool RRScreenInit(ScreenPtr pScreen);
+
+RROutputPtr
+RRFirstOutput (ScreenPtr pScreen);
+
+Rotation
+RRGetRotation (ScreenPtr pScreen);
+
+CARD16
+RRVerticalRefresh (xRRModeInfo *mode);
+
+#ifdef RANDR_10_INTERFACE					
+/*
+ * This is the old interface, deprecated but left
+ * around for compatibility
+ */
+
 /*
  * Then, register the specific size with the screen
  */
@@ -115,7 +420,7 @@ RRSetCurrentConfig (ScreenPtr		pScreen,
 		    int			rate,
 		    RRScreenSizePtr	pSize);
 
-Bool RRScreenInit(ScreenPtr pScreen);
+Bool RRScreenInit (ScreenPtr pScreen);
 
 Rotation
 RRGetRotation (ScreenPtr pScreen);
@@ -126,19 +431,347 @@ RRSetScreenConfig (ScreenPtr		pScreen,
 		   int			rate,
 		   RRScreenSizePtr	pSize);
 
+#endif					
+
+/* rrcrtc.c */
+
+/*
+ * Notify the CRTC of some change; layoutChanged indicates that
+ * some position or size element changed
+ */
+void
+RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged);
+
+/*
+ * Create a CRTC
+ */
+RRCrtcPtr
+RRCrtcCreate (void	*devPrivate);
+
+/*
+ * Attach a CRTC to a screen. Once done, this cannot be
+ * undone without destroying the CRTC; it is separate from Create
+ * only to allow an xf86-based driver to create objects in preinit
+ */
 Bool
-miRandRInit (ScreenPtr pScreen);
+RRCrtcAttachScreen (RRCrtcPtr crtc, ScreenPtr pScreen);
+    
+/*
+ * Notify the extension that the Crtc has been reconfigured,
+ * the driver calls this whenever it has updated the mode
+ */
+Bool
+RRCrtcNotify (RRCrtcPtr	    crtc,
+	      RRModePtr	    mode,
+	      int	    x,
+	      int	    y,
+	      Rotation	    rotation,
+	      int	    numOutputs,
+	      RROutputPtr   *outputs);
+
+void
+RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc);
+    
+/*
+ * Request that the Crtc be reconfigured
+ */
+Bool
+RRCrtcSet (RRCrtcPtr    crtc,
+	   RRModePtr	mode,
+	   int		x,
+	   int		y,
+	   Rotation	rotation,
+	   int		numOutput,
+	   RROutputPtr  *outputs);
+
+/*
+ * Request that the Crtc gamma be changed
+ */
 
 Bool
-miRRGetInfo (ScreenPtr pScreen, Rotation *rotations);
+RRCrtcGammaSet (RRCrtcPtr   crtc,
+		CARD16	    *red,
+		CARD16	    *green,
+		CARD16	    *blue);
+
+/*
+ * Notify the extension that the Crtc gamma has been changed
+ * The driver calls this whenever it has changed the gamma values
+ * in the RRCrtcRec
+ */
 
 Bool
-miRRSetConfig (ScreenPtr	pScreen,
+RRCrtcGammaNotify (RRCrtcPtr	crtc);
-	       Rotation		rotation,
+
-	       int		rate,
+/*
-	       RRScreenSizePtr	size);
+ * Set the size of the gamma table at server startup time
+ */
 
 Bool
-miRRGetScreenInfo (ScreenPtr pScreen);
+RRCrtcGammaSetSize (RRCrtcPtr	crtc,
+		    int		size);
+
+/*
+ * Destroy a Crtc at shutdown
+ */
+void
+RRCrtcDestroy (RRCrtcPtr crtc);
+
+/*
+ * Initialize crtc type
+ */
+Bool
+RRCrtcInit (void);
+
+/*
+ * Crtc dispatch
+ */
+
+int
+ProcRRGetCrtcInfo (ClientPtr client);
+
+int
+ProcRRSetCrtcConfig (ClientPtr client);
+
+int
+ProcRRGetCrtcGammaSize (ClientPtr client);
+
+int
+ProcRRGetCrtcGamma (ClientPtr client);
+
+int
+ProcRRSetCrtcGamma (ClientPtr client);
+
+/* rrdispatch.c */
+Bool
+RRClientKnowsRates (ClientPtr	pClient);
+
+/* rrmode.c */
+/*
+ * Find, and if necessary, create a mode
+ */
+
+RRModePtr
+RRModeGet (xRRModeInfo	*modeInfo,
+	   const char	*name);
+
+void
+RRModePruneUnused (ScreenPtr pScreen);
+
+/*
+ * Destroy a mode.
+ */
+
+void
+RRModeDestroy (RRModePtr mode);
+
+/*
+ * Return a list of modes that are valid for some output in pScreen
+ */
+RRModePtr *
+RRModesForScreen (ScreenPtr pScreen, int *num_ret);
+    
+/*
+ * Initialize mode type
+ */
+Bool
+RRModeInit (void);
+    
+int
+ProcRRCreateMode (ClientPtr client);
+
+int
+ProcRRDestroyMode (ClientPtr client);
+
+int
+ProcRRAddOutputMode (ClientPtr client);
+
+int
+ProcRRDeleteOutputMode (ClientPtr client);
+
+/* rroutput.c */
+
+/*
+ * Notify the output of some change
+ */
+void
+RROutputChanged (RROutputPtr output);
+
+/*
+ * Create an output
+ */
+
+RROutputPtr
+RROutputCreate (const char  *name,
+		int	    nameLength,
+		void	    *devPrivate);
+
+/*
+ * Attach an output to a screen, again split from creation so
+ * xf86 DDXen can create randr resources before the ScreenRec
+ * exists
+ */
+Bool
+RROutputAttachScreen (RROutputPtr output, ScreenPtr pScreen);
+
+/*
+ * Notify extension that output parameters have been changed
+ */
+Bool
+RROutputSetClones (RROutputPtr  output,
+		   RROutputPtr  *clones,
+		   int		numClones);
+
+Bool
+RROutputSetModes (RROutputPtr	output,
+		  RRModePtr	*modes,
+		  int		numModes,
+		  int		numPreferred);
+
+Bool
+RROutputSetCrtcs (RROutputPtr	output,
+		  RRCrtcPtr	*crtcs,
+		  int		numCrtcs);
+
+void
+RROutputSetCrtc (RROutputPtr output, RRCrtcPtr crtc);
+    
+Bool
+RROutputSetConnection (RROutputPtr  output,
+		       CARD8	    connection);
+
+Bool
+RROutputSetSubpixelOrder (RROutputPtr output,
+			  int	      subpixelOrder);
+
+Bool
+RROutputSetPhysicalSize (RROutputPtr	output,
+			 int		mmWidth,
+			 int		mmHeight);
+
+void
+RRDeliverOutputEvent(ClientPtr client, WindowPtr pWin, RROutputPtr output);
+
+void
+RROutputDestroy (RROutputPtr	output);
+
+int
+ProcRRGetOutputInfo (ClientPtr client);
+
+/*
+ * Initialize output type
+ */
+Bool
+RROutputInit (void);
+    
+/* rrpointer.c */
+void
+RRPointerMoved (ScreenPtr pScreen, int x, int y);
+
+void
+RRPointerScreenConfigured (ScreenPtr pScreen);
+
+/* rrproperty.c */
+
+void
+RRDeleteAllOutputProperties (RROutputPtr output);
+
+void
+RRDeleteOutputProperty (RROutputPtr output, Atom property);
+
+int
+RRChangeOutputProperty (RROutputPtr output, Atom property, Atom type,
+			int format, int mode, unsigned long len,
+			pointer value, Bool sendevent);
+
+int
+ProcRRChangeOutputProperty (ClientPtr client);
+
+int
+ProcRRGetOutputProperty (ClientPtr client);
+
+int
+ProcRRListOutputProperties (ClientPtr client);
+
+int
+ProcRRDeleteOutputProperty (ClientPtr client);
+
+/* rrxinerama.c */
+void
+RRXineramaExtensionInit(void);
 
 #endif /* _RANDRSTR_H_ */
+
+/*
+ 
+randr extension implementation structure
+
+Query state:
+    ProcRRGetScreenInfo/ProcRRGetScreenResources
+	RRGetInfo
+ 
+	    • Request configuration from driver, either 1.0 or 1.2 style
+	    • These functions only record state changes, all
+	      other actions are pended until RRTellChanged is called
+ 
+	    ->rrGetInfo
+	    1.0:
+		RRRegisterSize
+		RRRegisterRate
+		RRSetCurrentConfig
+	    1.2:
+		RRScreenSetSizeRange
+		RROutputSetCrtcs
+		RROutputSetCrtc
+		RRModeGet
+		RROutputSetModes
+		RROutputSetConnection
+		RROutputSetSubpixelOrder
+		RROutputSetClones
+		RRCrtcNotify
+ 
+	• Must delay scanning configuration until after ->rrGetInfo returns
+	  because some drivers will call SetCurrentConfig in the middle
+	  of the ->rrGetInfo operation.
+ 
+	1.0:
+
+	    • Scan old configuration, mirror to new structures
+ 
+	    RRScanOldConfig
+		RRCrtcCreate
+		RROutputCreate
+		RROutputSetCrtcs
+		RROutputSetCrtc
+		RROutputSetConnection
+		RROutputSetSubpixelOrder
+		RROldModeAdd	• This adds modes one-at-a-time
+		    RRModeGet
+		RRCrtcNotify
+ 
+	• send events, reset pointer if necessary
+ 
+	RRTellChanged
+	    WalkTree (sending events)
+ 
+	    • when layout has changed:
+		RRPointerScreenConfigured
+		RRSendConfigNotify
+ 
+Asynchronous state setting (1.2 only)
+    When setting state asynchronously, the driver invokes the
+    ->rrGetInfo function and then calls RRTellChanged to flush
+    the changes to the clients and reset pointer if necessary
+
+Set state
+
+    ProcRRSetScreenConfig
+	RRCrtcSet
+	    1.2:
+		->rrCrtcSet
+		    RRCrtcNotify
+	    1.0:
+		->rrSetConfig
+		RRCrtcNotify
+	    RRTellChanged
+ */

randr/rrcrtc.c

@@ -0,0 +1,846 @@
+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+#include "swaprep.h"
+
+RESTYPE	RRCrtcType;
+
+/*
+ * Notify the CRTC of some change
+ */
+void
+RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged)
+{
+    ScreenPtr	pScreen = crtc->pScreen;
+
+    crtc->changed = TRUE;
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+    
+	pScrPriv->changed = TRUE;
+	/*
+	 * Send ConfigureNotify on any layout change
+	 */
+	if (layoutChanged)
+	    pScrPriv->layoutChanged = TRUE;
+    }
+}
+
+/*
+ * Create a CRTC
+ */
+RRCrtcPtr
+RRCrtcCreate (void	*devPrivate)
+{
+    RRCrtcPtr	crtc;
+    
+    crtc = xalloc (sizeof (RRCrtcRec));
+    if (!crtc)
+	return NULL;
+    crtc->id = FakeClientID (0);
+    crtc->pScreen = NULL;
+    crtc->mode = NULL;
+    crtc->x = 0;
+    crtc->y = 0;
+    crtc->rotation = RR_Rotate_0;
+    crtc->rotations = RR_Rotate_0;
+    crtc->outputs = NULL;
+    crtc->numOutputs = 0;
+    crtc->gammaSize = 0;
+    crtc->gammaRed = crtc->gammaBlue = crtc->gammaGreen = NULL;
+    crtc->changed = FALSE;
+    crtc->devPrivate = devPrivate;
+
+    if (!AddResource (crtc->id, RRCrtcType, (pointer) crtc))
+	return NULL;
+
+    return crtc;
+}
+
+/*
+ * Attach a Crtc to a screen. This is done as a separate step
+ * so that an xf86-based driver can create CRTCs in PreInit
+ * before the Screen has been created
+ */
+
+Bool
+RRCrtcAttachScreen (RRCrtcPtr crtc, ScreenPtr pScreen)
+{
+    rrScrPriv (pScreen);
+    RRCrtcPtr	*crtcs;
+
+    /* make space for the crtc pointer */
+    if (pScrPriv->numCrtcs)
+	crtcs = xrealloc (pScrPriv->crtcs, 
+			  (pScrPriv->numCrtcs + 1) * sizeof (RRCrtcPtr));
+    else
+	crtcs = xalloc (sizeof (RRCrtcPtr));
+    if (!crtcs)
+	return FALSE;
+    
+    /* attach the screen and crtc together */
+    crtc->pScreen = pScreen;
+    pScrPriv->crtcs = crtcs;
+    pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc;
+
+    RRCrtcChanged (crtc, TRUE);
+    return TRUE;
+}
+
+/*
+ * Notify the extension that the Crtc has been reconfigured,
+ * the driver calls this whenever it has updated the mode
+ */
+Bool
+RRCrtcNotify (RRCrtcPtr	    crtc,
+	      RRModePtr	    mode,
+	      int	    x,
+	      int	    y,
+	      Rotation	    rotation,
+	      int	    numOutputs,
+	      RROutputPtr   *outputs)
+{
+    int	    i, j;
+    
+    /*
+     * Check to see if any of the new outputs were
+     * not in the old list and mark them as changed
+     */
+    for (i = 0; i < numOutputs; i++)
+    {
+	for (j = 0; j < crtc->numOutputs; j++)
+	    if (outputs[i] == crtc->outputs[j])
+		break;
+	if (j == crtc->numOutputs)
+	{
+	    RROutputChanged (outputs[i]);
+	    RRCrtcChanged (crtc, FALSE);
+	}
+    }
+    /*
+     * Check to see if any of the old outputs are
+     * not in the new list and mark them as changed
+     */
+    for (j = 0; j < crtc->numOutputs; j++)
+    {
+	for (i = 0; i < numOutputs; i++)
+	    if (outputs[i] == crtc->outputs[j])
+		break;
+	if (i == numOutputs)
+	{
+	    RROutputChanged (crtc->outputs[j]);
+	    RRCrtcChanged (crtc, FALSE);
+	}
+    }
+    /*
+     * Reallocate the crtc output array if necessary
+     */
+    if (numOutputs != crtc->numOutputs)
+    {
+	RROutputPtr *newoutputs;
+	
+	if (numOutputs)
+	{
+	    if (crtc->numOutputs)
+		newoutputs = xrealloc (crtc->outputs,
+				    numOutputs * sizeof (RROutputPtr));
+	    else
+		newoutputs = xalloc (numOutputs * sizeof (RROutputPtr));
+	    if (!newoutputs)
+		return FALSE;
+	}
+	else
+	{
+	    if (crtc->outputs)
+		xfree (crtc->outputs);
+	    newoutputs = NULL;
+	}
+	crtc->outputs = newoutputs;
+	crtc->numOutputs = numOutputs;
+    }
+    /*
+     * Copy the new list of outputs into the crtc
+     */
+    memcpy (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr));
+    /*
+     * Update remaining crtc fields
+     */
+    if (mode != crtc->mode)
+    {
+	if (crtc->mode)
+	    RRModeDestroy (crtc->mode);
+	crtc->mode = mode;
+	if (mode != NULL)
+	    mode->refcnt++;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    if (x != crtc->x)
+    {
+	crtc->x = x;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    if (y != crtc->y)
+    {
+	crtc->y = y;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    if (rotation != crtc->rotation)
+    {
+	crtc->rotation = rotation;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    return TRUE;
+}
+
+void
+RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc)
+{
+    ScreenPtr pScreen = pWin->drawable.pScreen;
+    rrScrPriv (pScreen);
+    xRRCrtcChangeNotifyEvent	ce;
+    RRModePtr	mode = crtc->mode;
+    
+    ce.type = RRNotify + RREventBase;
+    ce.subCode = RRNotify_CrtcChange;
+    ce.sequenceNumber = client->sequence;
+    ce.timestamp = pScrPriv->lastSetTime.milliseconds;
+    ce.window = pWin->drawable.id;
+    ce.crtc = crtc->id;
+    ce.rotation = crtc->rotation;
+    if (mode)
+    {
+	ce.mode = mode->mode.id;
+	ce.x = crtc->x;
+	ce.y = crtc->y;
+	ce.width = mode->mode.width;
+	ce.height = mode->mode.height;
+    }
+    else
+    {
+	ce.mode = None;
+	ce.x = 0;
+	ce.y = 0;
+	ce.width = 0;
+	ce.height = 0;
+    }
+    WriteEventsToClient (client, 1, (xEvent *) &ce);
+}
+
+/*
+ * Request that the Crtc be reconfigured
+ */
+Bool
+RRCrtcSet (RRCrtcPtr    crtc,
+	   RRModePtr	mode,
+	   int		x,
+	   int		y,
+	   Rotation	rotation,
+	   int		numOutputs,
+	   RROutputPtr  *outputs)
+{
+    ScreenPtr	pScreen = crtc->pScreen;
+
+    /* See if nothing changed */
+    if (crtc->mode == mode &&
+	crtc->x == x &&
+	crtc->y == y &&
+	crtc->rotation == rotation &&
+	crtc->numOutputs == numOutputs &&
+	!memcmp (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr)))
+    {
+	return TRUE;
+    }
+    if (pScreen)
+    {
+#if RANDR_12_INTERFACE
+	rrScrPriv(pScreen);
+	if (pScrPriv->rrCrtcSet)
+	{
+	    return (*pScrPriv->rrCrtcSet) (pScreen, crtc, mode, x, y, 
+					   rotation, numOutputs, outputs);
+	}
+#endif
+#if RANDR_10_INTERFACE
+	if (pScrPriv->rrSetConfig)
+	{
+	    RRScreenSize	    size;
+	    RRScreenRate	    rate;
+	    Bool		    ret;
+
+	    size.width = mode->mode.width;
+	    size.height = mode->mode.height;
+	    if (outputs[0]->mmWidth && outputs[0]->mmHeight)
+	    {
+		size.mmWidth = outputs[0]->mmWidth;
+		size.mmHeight = outputs[0]->mmHeight;
+	    }
+	    else
+	    {
+		size.mmWidth = pScreen->mmWidth;
+		size.mmHeight = pScreen->mmHeight;
+	    }
+	    size.nRates = 1;
+	    rate.rate = RRVerticalRefresh (&mode->mode);
+	    size.pRates = &rate;
+	    ret = (*pScrPriv->rrSetConfig) (pScreen, rotation, rate.rate, &size);
+	    /*
+	     * Old 1.0 interface tied screen size to mode size
+	     */
+	    if (ret)
+		RRCrtcNotify (crtc, mode, x, y, rotation, 1, outputs);
+	    return ret;
+	}
+#endif
+	RRTellChanged (pScreen);
+    }
+    return FALSE;
+}
+
+/*
+ * Destroy a Crtc at shutdown
+ */
+void
+RRCrtcDestroy (RRCrtcPtr crtc)
+{
+    FreeResource (crtc->id, 0);
+}
+
+static int
+RRCrtcDestroyResource (pointer value, XID pid)
+{
+    RRCrtcPtr	crtc = (RRCrtcPtr) value;
+    ScreenPtr	pScreen = crtc->pScreen;
+
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+	int		i;
+    
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	{
+	    if (pScrPriv->crtcs[i] == crtc)
+	    {
+		memmove (pScrPriv->crtcs + i, pScrPriv->crtcs + i + 1,
+			 (pScrPriv->numCrtcs - (i - 1)) * sizeof (RRCrtcPtr));
+		--pScrPriv->numCrtcs;
+		break;
+	    }
+	}
+    }
+    if (crtc->gammaRed)
+	xfree (crtc->gammaRed);
+    xfree (crtc);
+    return 1;
+}
+
+/*
+ * Request that the Crtc gamma be changed
+ */
+
+Bool
+RRCrtcGammaSet (RRCrtcPtr   crtc,
+		CARD16	    *red,
+		CARD16	    *green,
+		CARD16	    *blue)
+{
+    Bool	ret = TRUE;
+#if RANDR_12_INTERFACE
+    ScreenPtr	pScreen = crtc->pScreen;
+#endif
+    
+    memcpy (crtc->gammaRed, red, crtc->gammaSize * sizeof (CARD16));
+    memcpy (crtc->gammaGreen, green, crtc->gammaSize * sizeof (CARD16));
+    memcpy (crtc->gammaBlue, blue, crtc->gammaSize * sizeof (CARD16));
+#if RANDR_12_INTERFACE
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+	if (pScrPriv->rrCrtcSetGamma)
+	    ret = (*pScrPriv->rrCrtcSetGamma) (pScreen, crtc);
+    }
+#endif
+    return ret;
+}
+
+/*
+ * Notify the extension that the Crtc gamma has been changed
+ * The driver calls this whenever it has changed the gamma values
+ * in the RRCrtcRec
+ */
+
+Bool
+RRCrtcGammaNotify (RRCrtcPtr	crtc)
+{
+    return TRUE;    /* not much going on here */
+}
+
+/*
+ * Set the size of the gamma table at server startup time
+ */
+
+Bool
+RRCrtcGammaSetSize (RRCrtcPtr	crtc,
+		    int		size)
+{
+    CARD16  *gamma;
+
+    if (size == crtc->gammaSize)
+	return TRUE;
+    if (size)
+    {
+	gamma = xalloc (size * 3 * sizeof (CARD16));
+	if (!gamma)
+	    return FALSE;
+    }
+    else
+	gamma = NULL;
+    if (crtc->gammaRed)
+	xfree (crtc->gammaRed);
+    crtc->gammaRed = gamma;
+    crtc->gammaGreen = gamma + size;
+    crtc->gammaBlue = gamma + size*2;
+    crtc->gammaSize = size;
+    return TRUE;
+}
+
+/*
+ * Initialize crtc type
+ */
+Bool
+RRCrtcInit (void)
+{
+    RRCrtcType = CreateNewResourceType (RRCrtcDestroyResource);
+    if (!RRCrtcType)
+	return FALSE;
+#ifdef XResExtension
+	RegisterResourceName (RRCrtcType, "CRTC");
+#endif
+    return TRUE;
+}
+
+int
+ProcRRGetCrtcInfo (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcInfoReq);;
+    xRRGetCrtcInfoReply	rep;
+    RRCrtcPtr			crtc;
+    CARD8			*extra;
+    unsigned long		extraLen;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    RRModePtr			mode;
+    RROutput			*outputs;
+    RROutput			*possible;
+    int				i, j, k, n;
+    
+    REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq);
+    crtc = LookupCrtc(client, stuff->crtc, SecurityReadAccess);
+
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+
+    /* All crtcs must be associated with screens before client
+     * requests are processed
+     */
+    pScreen = crtc->pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+
+    mode = crtc->mode;
+    
+    rep.type = X_Reply;
+    rep.status = RRSetConfigSuccess;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+    rep.x = crtc->x;
+    rep.y = crtc->y;
+    rep.width = mode ? mode->mode.width : 0;
+    rep.height = mode ? mode->mode.height : 0;
+    rep.mode = mode ? mode->mode.id : 0;
+    rep.rotation = crtc->rotation;
+    rep.rotations = crtc->rotations;
+    rep.nOutput = crtc->numOutputs;
+    k = 0;
+    for (i = 0; i < pScrPriv->numOutputs; i++)
+	for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
+	    if (pScrPriv->outputs[i]->crtcs[j] == crtc)
+		k++;
+    rep.nPossibleOutput = k;
+    
+    rep.length = rep.nOutput + rep.nPossibleOutput;
+
+    extraLen = rep.length << 2;
+    if (extraLen)
+    {
+	extra = xalloc (extraLen);
+	if (!extra)
+	    return BadAlloc;
+    }
+    else
+	extra = NULL;
+
+    outputs = (RROutput *) extra;
+    possible = (RROutput *) (outputs + rep.nOutput);
+    
+    for (i = 0; i < crtc->numOutputs; i++)
+    {
+	outputs[i] = crtc->outputs[i]->id;
+	if (client->swapped)
+	    swapl (&outputs[i], n);
+    }
+    k = 0;
+    for (i = 0; i < pScrPriv->numOutputs; i++)
+	for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
+	    if (pScrPriv->outputs[i]->crtcs[j] == crtc)
+	    {
+		possible[k] = pScrPriv->outputs[i]->id;
+		if (client->swapped)
+		    swapl (&possible[k], n);
+		k++;
+	    }
+    
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swaps(&rep.x, n);
+	swaps(&rep.y, n);
+	swaps(&rep.width, n);
+	swaps(&rep.height, n);
+	swapl(&rep.mode, n);
+	swaps(&rep.rotation, n);
+	swaps(&rep.rotations, n);
+	swaps(&rep.nOutput, n);
+	swaps(&rep.nPossibleOutput, n);
+    }
+    WriteToClient(client, sizeof(xRRGetCrtcInfoReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    
+    return client->noClientException;
+}
+
+int
+ProcRRSetCrtcConfig (ClientPtr client)
+{
+    REQUEST(xRRSetCrtcConfigReq);
+    xRRSetCrtcConfigReply   rep;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    RRCrtcPtr		    crtc;
+    RRModePtr		    mode;
+    int			    numOutputs;
+    RROutputPtr		    *outputs = NULL;
+    RROutput		    *outputIds;
+    TimeStamp		    configTime;
+    TimeStamp		    time;
+    Rotation		    rotation;
+    int			    i, j;
+    
+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq);
+    numOutputs = (stuff->length - (SIZEOF (xRRSetCrtcConfigReq) >> 2));
+    
+    crtc = LookupIDByType (stuff->crtc, RRCrtcType);
+    if (!crtc)
+    {
+	client->errorValue = stuff->crtc;
+	return RRErrorBase + BadRRCrtc;
+    }
+    if (stuff->mode == None)
+    {
+	mode = NULL;
+	if (numOutputs > 0)
+	    return BadMatch;
+    }
+    else
+    {
+	mode = LookupIDByType (stuff->mode, RRModeType);
+	if (!mode)
+	{
+	    client->errorValue = stuff->mode;
+	    return RRErrorBase + BadRRMode;
+	}
+	if (numOutputs == 0)
+	    return BadMatch;
+    }
+    if (numOutputs)
+    {
+	outputs = xalloc (numOutputs * sizeof (RROutputPtr));
+	if (!outputs)
+	    return BadAlloc;
+    }
+    else
+	outputs = NULL;
+    
+    outputIds = (RROutput *) (stuff + 1);
+    for (i = 0; i < numOutputs; i++)
+    {
+	outputs[i] = (RROutputPtr) LookupIDByType (outputIds[i], RROutputType);
+	if (!outputs[i])
+	{
+	    client->errorValue = outputIds[i];
+	    if (outputs)
+		xfree (outputs);
+	    return RRErrorBase + BadRROutput;
+	}
+	/* validate crtc for this output */
+	for (j = 0; j < outputs[i]->numCrtcs; j++)
+	    if (outputs[i]->crtcs[j] == crtc)
+		break;
+	if (j == outputs[i]->numCrtcs)
+	{
+	    if (outputs)
+		xfree (outputs);
+	    return BadMatch;
+	}
+	/* validate mode for this output */
+	for (j = 0; j < outputs[i]->numModes; j++)
+	    if (outputs[i]->modes[j] == mode)
+		break;
+	if (j == outputs[i]->numModes)
+	{
+	    if (outputs)
+		xfree (outputs);
+	    return BadMatch;
+	}
+    }
+
+    pScreen = crtc->pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    time = ClientTimeToServerTime(stuff->timestamp);
+    configTime = ClientTimeToServerTime(stuff->configTimestamp);
+    
+    if (!pScrPriv)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    
+    /*
+     * if the client's config timestamp is not the same as the last config
+     * timestamp, then the config information isn't up-to-date and
+     * can't even be validated
+     */
+    if (CompareTimeStamps (configTime, pScrPriv->lastConfigTime) != 0)
+    {
+	rep.status = RRSetConfigInvalidConfigTime;
+	goto sendReply;
+    }
+    
+    /*
+     * Validate requested rotation
+     */
+    rotation = (Rotation) stuff->rotation;
+
+    /* test the rotation bits only! */
+    switch (rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_90:
+    case RR_Rotate_180:
+    case RR_Rotate_270:
+	break;
+    default:
+	/*
+	 * Invalid rotation
+	 */
+	client->errorValue = stuff->rotation;
+	if (outputs)
+	    xfree (outputs);
+	return BadValue;
+    }
+
+    if (mode)
+    {
+	if ((~crtc->rotations) & rotation)
+	{
+	    /*
+	     * requested rotation or reflection not supported by screen
+	     */
+	    client->errorValue = stuff->rotation;
+	    if (outputs)
+		xfree (outputs);
+	    return BadMatch;
+	}
+    
+#ifdef RANDR_12_INTERFACE
+	/*
+	 * Check screen size bounds if the DDX provides a 1.2 interface
+	 * for setting screen size. Else, assume the CrtcSet sets
+	 * the size along with the mode
+	 */
+	if (pScrPriv->rrScreenSetSize)
+	{
+	    if (stuff->x + mode->mode.width > pScreen->width)
+	    {
+		client->errorValue = stuff->x;
+		if (outputs)
+		    xfree (outputs);
+		return BadValue;
+	    }
+	    
+	    if (stuff->y + mode->mode.height > pScreen->height)
+	    {
+		client->errorValue = stuff->y;
+		if (outputs)
+		    xfree (outputs);
+		return BadValue;
+	    }
+	}
+#endif
+    }
+    
+    /*
+     * Make sure the requested set-time is not older than
+     * the last set-time
+     */
+    if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0)
+    {
+	rep.status = RRSetConfigInvalidTime;
+	goto sendReply;
+    }
+
+    if (!RRCrtcSet (crtc, mode, stuff->x, stuff->y,
+		   rotation, numOutputs, outputs))
+    {
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    rep.status = RRSetConfigSuccess;
+    
+sendReply:
+    if (outputs)
+	xfree (outputs);
+    
+    rep.type = X_Reply;
+    /* rep.status has already been filled in */
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.newTimestamp = pScrPriv->lastConfigTime.milliseconds;
+
+    if (client->swapped) 
+    {
+	int n;
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.newTimestamp, n);
+    }
+    WriteToClient(client, sizeof(xRRSetCrtcConfigReply), (char *)&rep);
+    
+    return client->noClientException;
+}
+
+int
+ProcRRGetCrtcGammaSize (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcGammaSizeReq);
+    xRRGetCrtcGammaSizeReply	reply;
+    RRCrtcPtr			crtc;
+    int				n;
+
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq);
+    crtc = LookupCrtc (client, stuff->crtc, SecurityReadAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    reply.type = X_Reply;
+    reply.sequenceNumber = client->sequence;
+    reply.length = 0;
+    reply.size = crtc->gammaSize;
+    if (client->swapped) {
+	swaps (&reply.sequenceNumber, n);
+	swapl (&reply.length, n);
+	swaps (&reply.size, n);
+    }
+    WriteToClient (client, sizeof (xRRGetCrtcGammaSizeReply), (char *) &reply);
+    return client->noClientException;
+}
+
+int
+ProcRRGetCrtcGamma (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcGammaReq);
+    xRRGetCrtcGammaReply	reply;
+    RRCrtcPtr			crtc;
+    int				n;
+    unsigned long		len;
+    
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq);
+    crtc = LookupCrtc (client, stuff->crtc, SecurityReadAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    len = crtc->gammaSize * 3 * 2;
+    
+    reply.type = X_Reply;
+    reply.sequenceNumber = client->sequence;
+    reply.length = (len + 3) >> 2;
+    reply.size = crtc->gammaSize;
+    if (client->swapped) {
+	swaps (&reply.sequenceNumber, n);
+	swapl (&reply.length, n);
+	swaps (&reply.size, n);
+    }
+    WriteToClient (client, sizeof (xRRGetCrtcGammaReply), (char *) &reply);
+    if (crtc->gammaSize)
+    {
+	client->pSwapReplyFunc = (ReplySwapPtr)CopySwap16Write;
+	WriteSwappedDataToClient (client, len, (char *) crtc->gammaRed);
+    }
+    return client->noClientException;
+}
+
+int
+ProcRRSetCrtcGamma (ClientPtr client)
+{
+    REQUEST(xRRSetCrtcGammaReq);
+    RRCrtcPtr			crtc;
+    unsigned long		len;
+    CARD16			*red, *green, *blue;
+    
+    REQUEST_SIZE_MATCH(xRRSetCrtcGammaReq);
+    crtc = LookupCrtc (client, stuff->crtc, SecurityWriteAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    len = client->req_len - (sizeof (xRRSetCrtcGammaReq) >> 2);
+    if (len < (stuff->size * 3 + 1) >> 1)
+	return BadLength;
+
+    if (stuff->size != crtc->gammaSize)
+	return BadMatch;
+    
+    red = (CARD16 *) (stuff + 1);
+    green = red + crtc->gammaSize;
+    blue = green + crtc->gammaSize;
+    
+    RRCrtcGammaSet (crtc, red, green, blue);
+
+    return Success;
+}
+

randr/rrdispatch.c

@@ -0,0 +1,208 @@
+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+
+Bool
+RRClientKnowsRates (ClientPtr	pClient)
+{
+    rrClientPriv(pClient);
+
+    return (pRRClient->major_version > 1 ||
+	    (pRRClient->major_version == 1 && pRRClient->minor_version >= 1));
+}
+
+static int
+ProcRRQueryVersion (ClientPtr client)
+{
+    xRRQueryVersionReply rep;
+    register int n;
+    REQUEST(xRRQueryVersionReq);
+    rrClientPriv(client);
+
+    REQUEST_SIZE_MATCH(xRRQueryVersionReq);
+    pRRClient->major_version = stuff->majorVersion;
+    pRRClient->minor_version = stuff->minorVersion;
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    /*
+     * Report the current version; the current
+     * spec says they're all compatible after 1.0
+     */
+    rep.majorVersion = RANDR_MAJOR;
+    rep.minorVersion = RANDR_MINOR;
+    if (client->swapped) {
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.majorVersion, n);
+	swapl(&rep.minorVersion, n);
+    }
+    WriteToClient(client, sizeof(xRRQueryVersionReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+static int
+ProcRRSelectInput (ClientPtr client)
+{
+    REQUEST(xRRSelectInputReq);
+    rrClientPriv(client);
+    RRTimesPtr	pTimes;
+    WindowPtr	pWin;
+    RREventPtr	pRREvent, *pHead;
+    XID		clientResource;
+
+    REQUEST_SIZE_MATCH(xRRSelectInputReq);
+    pWin = SecurityLookupWindow (stuff->window, client, SecurityWriteAccess);
+    if (!pWin)
+	return BadWindow;
+    pHead = (RREventPtr *)SecurityLookupIDByType(client,
+						 pWin->drawable.id, RREventType,
+						 SecurityWriteAccess);
+
+    if (stuff->enable & (RRScreenChangeNotifyMask|
+			 RRCrtcChangeNotifyMask|
+			 RROutputChangeNotifyMask)) 
+    {
+	ScreenPtr	pScreen = pWin->drawable.pScreen;
+	rrScrPriv	(pScreen);
+
+	pRREvent = NULL;
+	if (pHead) 
+	{
+	    /* check for existing entry. */
+	    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next)
+		if (pRREvent->client == client)
+		    break;
+	}
+
+	if (!pRREvent)
+	{
+	    /* build the entry */
+	    pRREvent = (RREventPtr) xalloc (sizeof (RREventRec));
+	    if (!pRREvent)
+		return BadAlloc;
+	    pRREvent->next = 0;
+	    pRREvent->client = client;
+	    pRREvent->window = pWin;
+	    pRREvent->mask = stuff->enable;
+	    /*
+	     * add a resource that will be deleted when
+	     * the client goes away
+	     */
+	    clientResource = FakeClientID (client->index);
+	    pRREvent->clientResource = clientResource;
+	    if (!AddResource (clientResource, RRClientType, (pointer)pRREvent))
+		return BadAlloc;
+	    /*
+	     * create a resource to contain a pointer to the list
+	     * of clients selecting input.  This must be indirect as
+	     * the list may be arbitrarily rearranged which cannot be
+	     * done through the resource database.
+	     */
+	    if (!pHead)
+	    {
+		pHead = (RREventPtr *) xalloc (sizeof (RREventPtr));
+		if (!pHead ||
+		    !AddResource (pWin->drawable.id, RREventType, (pointer)pHead))
+		{
+		    FreeResource (clientResource, RT_NONE);
+		    return BadAlloc;
+		}
+		*pHead = 0;
+	    }
+	    pRREvent->next = *pHead;
+	    *pHead = pRREvent;
+	}
+	/*
+	 * Now see if the client needs an event
+	 */
+	if (pScrPriv && (pRREvent->mask & RRScreenChangeNotifyMask))
+	{
+	    pTimes = &((RRTimesPtr) (pRRClient + 1))[pScreen->myNum];
+	    if (CompareTimeStamps (pTimes->setTime, 
+				   pScrPriv->lastSetTime) != 0 ||
+		CompareTimeStamps (pTimes->configTime, 
+				   pScrPriv->lastConfigTime) != 0)
+	    {
+		RRDeliverScreenEvent (client, pWin, pScreen);
+	    }
+	}
+    }
+    else if (stuff->enable == 0) 
+    {
+	/* delete the interest */
+	if (pHead) {
+	    RREventPtr pNewRREvent = 0;
+	    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) {
+		if (pRREvent->client == client)
+		    break;
+		pNewRREvent = pRREvent;
+	    }
+	    if (pRREvent) {
+		FreeResource (pRREvent->clientResource, RRClientType);
+		if (pNewRREvent)
+		    pNewRREvent->next = pRREvent->next;
+		else
+		    *pHead = pRREvent->next;
+		xfree (pRREvent);
+	    }
+	}
+    }
+    else 
+    {
+	client->errorValue = stuff->enable;
+	return BadValue;
+    }
+    return Success;
+}
+
+int (*ProcRandrVector[RRNumberRequests])(ClientPtr) = {
+    ProcRRQueryVersion,	/* 0 */
+/* we skip 1 to make old clients fail pretty immediately */
+    NULL,			/* 1 ProcRandrOldGetScreenInfo */
+/* V1.0 apps share the same set screen config request id */
+    ProcRRSetScreenConfig,	/* 2 */
+    NULL,			/* 3 ProcRandrOldScreenChangeSelectInput */
+/* 3 used to be ScreenChangeSelectInput; deprecated */
+    ProcRRSelectInput,		/* 4 */
+    ProcRRGetScreenInfo,    	/* 5 */
+/* V1.2 additions */
+    ProcRRGetScreenSizeRange,	/* 6 */
+    ProcRRSetScreenSize,	/* 7 */
+    ProcRRGetScreenResources,	/* 8 */
+    ProcRRGetOutputInfo,	/* 9 */
+    ProcRRListOutputProperties,	/* 10 */
+    ProcRRChangeOutputProperty,	/* 11 */
+    ProcRRDeleteOutputProperty,	/* 12 */
+    ProcRRGetOutputProperty,	/* 13 */
+    ProcRRCreateMode,		/* 14 */
+    ProcRRDestroyMode,		/* 15 */
+    ProcRRAddOutputMode,	/* 16 */
+    ProcRRDeleteOutputMode,	/* 17 */
+    ProcRRGetCrtcInfo,		/* 18 */
+    ProcRRSetCrtcConfig,	/* 19 */
+    ProcRRGetCrtcGammaSize,	/* 20 */
+    ProcRRGetCrtcGamma,		/* 21 */
+    ProcRRSetCrtcGamma,		/* 22 */
+};
+

randr/rrinfo.c

@@ -0,0 +1,342 @@
+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+
+#ifdef RANDR_10_INTERFACE
+static RRModePtr
+RROldModeAdd (RROutputPtr output, RRScreenSizePtr size, int refresh)
+{
+    ScreenPtr	pScreen = output->pScreen;
+    rrScrPriv(pScreen);
+    xRRModeInfo	modeInfo;
+    char	name[100];
+    RRModePtr	mode;
+    int		i;
+    RRModePtr   *modes;
+    
+    memset (&modeInfo, '\0', sizeof (modeInfo));
+    sprintf (name, "%dx%d", size->width, size->height);
+    
+    modeInfo.width = size->width;
+    modeInfo.height = size->height;
+    modeInfo.hTotal = size->width;
+    modeInfo.vTotal = size->height;
+    modeInfo.dotClock = ((CARD32) size->width * (CARD32) size->height *
+			 (CARD32) refresh);
+    modeInfo.nameLength = strlen (name);
+    mode = RRModeGet (&modeInfo, name);
+    if (!mode)
+	return NULL;
+    for (i = 0; i < output->numModes; i++)
+	if (output->modes[i] == mode)
+	{
+	    RRModeDestroy (mode);
+	    return mode;
+	}
+    
+    if (output->numModes)
+	modes = xrealloc (output->modes, 
+			  (output->numModes + 1) * sizeof (RRModePtr));
+    else
+	modes = xalloc (sizeof (RRModePtr));
+    if (!modes)
+    {
+	RRModeDestroy (mode);
+	FreeResource (mode->mode.id, 0);
+	return NULL;
+    }
+    modes[output->numModes++] = mode;
+    output->modes = modes;
+    output->changed = TRUE;
+    pScrPriv->changed = TRUE;
+    return mode;
+}
+
+static void
+RRScanOldConfig (ScreenPtr pScreen, Rotation rotations)
+{
+    rrScrPriv(pScreen);
+    RROutputPtr	output;
+    RRCrtcPtr	crtc;
+    RRModePtr	mode, newMode = NULL;
+    int		i;
+    CARD16	minWidth = MAXSHORT, minHeight = MAXSHORT;
+    CARD16	maxWidth = 0, maxHeight = 0;
+    
+    /*
+     * First time through, create a crtc and output and hook
+     * them together
+     */
+    if (pScrPriv->numOutputs == 0 &&
+	pScrPriv->numCrtcs == 0)
+    {
+	crtc = RRCrtcCreate (NULL);
+	if (!crtc)
+	    return;
+	if (!RRCrtcAttachScreen (crtc, pScreen))
+	{
+	    RRCrtcDestroy (crtc);
+	    return;
+	}
+	output = RROutputCreate ("default", 7, NULL);
+	if (!output)
+	    return;
+	if (!RROutputAttachScreen (output, pScreen))
+	    return;
+	RROutputSetCrtcs (output, &crtc, 1);
+	RROutputSetCrtc (output, crtc);
+	RROutputSetConnection (output, RR_Connected);
+#ifdef RENDER
+	RROutputSetSubpixelOrder (output, PictureGetSubpixelOrder (pScreen));
+#endif
+    }
+
+    output = RRFirstOutput (pScreen);
+    if (!output)
+	return;
+    crtc = output->crtc;
+
+    /* check rotations */
+    if (rotations != crtc->rotations)
+    {
+        crtc->rotations = rotations;
+	crtc->changed = TRUE;
+	pScrPriv->changed = TRUE;
+    }
+	
+    /* regenerate mode list */
+    for (i = 0; i < pScrPriv->nSizes; i++)
+    {
+	RRScreenSizePtr	size = &pScrPriv->pSizes[i];
+	int		r;
+
+	if (size->nRates)
+	{
+	    for (r = 0; r < size->nRates; r++)
+	    {
+		mode = RROldModeAdd (output, size, size->pRates[r].rate);
+		if (i == pScrPriv->size && 
+		    size->pRates[r].rate == pScrPriv->rate)
+		{
+		    newMode = mode;
+		}
+	    }
+	    xfree (size->pRates);
+	}
+	else
+	{
+	    mode = RROldModeAdd (output, size, 0);
+	    if (i == pScrPriv->size)
+		newMode = mode;
+	}
+    }
+    if (pScrPriv->nSizes)
+	xfree (pScrPriv->pSizes);
+    pScrPriv->pSizes = NULL;
+    pScrPriv->nSizes = 0;
+	    
+    /* find size bounds */
+    for (i = 0; i < output->numModes; i++) 
+    {
+	RRModePtr   mode = output->modes[i];
+        CARD16	    width = mode->mode.width;
+        CARD16	    height = mode->mode.height;
+	
+	if (width < minWidth) minWidth = width;
+	if (width > maxWidth) maxWidth = width;
+	if (height < minHeight) minHeight = height;
+	if (height > maxHeight) maxHeight = height;
+    }
+
+    if (minWidth != pScrPriv->minWidth) {
+	pScrPriv->minWidth = minWidth; pScrPriv->changed = TRUE;
+    }
+    if (maxWidth != pScrPriv->maxWidth) {
+	pScrPriv->maxWidth = maxWidth; pScrPriv->changed = TRUE;
+    }
+    if (minHeight != pScrPriv->minHeight) {
+	pScrPriv->minHeight = minHeight; pScrPriv->changed = TRUE;
+    }
+    if (maxHeight != pScrPriv->maxHeight) {
+	pScrPriv->maxHeight = maxHeight; pScrPriv->changed = TRUE;
+    }
+
+    /* notice current mode */
+    if (newMode)
+	RRCrtcNotify (output->crtc, newMode, 0, 0, pScrPriv->rotation,
+		      1, &output);
+}
+#endif
+
+/*
+ * Poll the driver for changed information
+ */
+Bool
+RRGetInfo (ScreenPtr pScreen)
+{
+    rrScrPriv (pScreen);
+    Rotation	    rotations;
+    int		    i;
+
+    for (i = 0; i < pScrPriv->numOutputs; i++)
+	pScrPriv->outputs[i]->changed = FALSE;
+    for (i = 0; i < pScrPriv->numCrtcs; i++)
+	pScrPriv->crtcs[i]->changed = FALSE;
+    
+    rotations = 0;
+    pScrPriv->changed = FALSE;
+    
+    if (!(*pScrPriv->rrGetInfo) (pScreen, &rotations))
+	return FALSE;
+
+#if RANDR_10_INTERFACE
+    if (pScrPriv->nSizes)
+	RRScanOldConfig (pScreen, rotations);
+#endif
+    RRTellChanged (pScreen);
+    return TRUE;
+}
+
+#if RANDR_12_INTERFACE
+/*
+ * Register the range of sizes for the screen
+ */
+void
+RRScreenSetSizeRange (ScreenPtr	pScreen,
+		      CARD16	minWidth,
+		      CARD16	minHeight,
+		      CARD16	maxWidth,
+		      CARD16	maxHeight)
+{
+    rrScrPriv (pScreen);
+
+    if (!pScrPriv)
+	return;
+    pScrPriv->minWidth  = minWidth;
+    pScrPriv->minHeight = minHeight;
+    pScrPriv->maxWidth  = maxWidth;
+    pScrPriv->maxHeight = maxHeight;
+}
+#endif
+
+#ifdef RANDR_10_INTERFACE
+static Bool
+RRScreenSizeMatches (RRScreenSizePtr  a,
+		   RRScreenSizePtr  b)
+{
+    if (a->width != b->width)
+	return FALSE;
+    if (a->height != b->height)
+	return FALSE;
+    if (a->mmWidth != b->mmWidth)
+	return FALSE;
+    if (a->mmHeight != b->mmHeight)
+	return FALSE;
+    return TRUE;
+}
+
+RRScreenSizePtr
+RRRegisterSize (ScreenPtr	    pScreen,
+		short		    width, 
+		short		    height,
+		short		    mmWidth,
+		short		    mmHeight)
+{
+    rrScrPriv (pScreen);
+    int		    i;
+    RRScreenSize    tmp;
+    RRScreenSizePtr pNew;
+
+    if (!pScrPriv)
+	return 0;
+    
+    tmp.id = 0;
+    tmp.width = width;
+    tmp.height= height;
+    tmp.mmWidth = mmWidth;
+    tmp.mmHeight = mmHeight;
+    tmp.pRates = 0;
+    tmp.nRates = 0;
+    for (i = 0; i < pScrPriv->nSizes; i++)
+	if (RRScreenSizeMatches (&tmp, &pScrPriv->pSizes[i]))
+	    return &pScrPriv->pSizes[i];
+    pNew = xrealloc (pScrPriv->pSizes,
+		     (pScrPriv->nSizes + 1) * sizeof (RRScreenSize));
+    if (!pNew)
+	return 0;
+    pNew[pScrPriv->nSizes++] = tmp;
+    pScrPriv->pSizes = pNew;
+    return &pNew[pScrPriv->nSizes-1];
+}
+
+Bool RRRegisterRate (ScreenPtr		pScreen,
+		     RRScreenSizePtr	pSize,
+		     int		rate)
+{
+    rrScrPriv(pScreen);
+    int		    i;
+    RRScreenRatePtr pNew, pRate;
+
+    if (!pScrPriv)
+	return FALSE;
+    
+    for (i = 0; i < pSize->nRates; i++)
+	if (pSize->pRates[i].rate == rate)
+	    return TRUE;
+
+    pNew = xrealloc (pSize->pRates,
+		     (pSize->nRates + 1) * sizeof (RRScreenRate));
+    if (!pNew)
+	return FALSE;
+    pRate = &pNew[pSize->nRates++];
+    pRate->rate = rate;
+    pSize->pRates = pNew;
+    return TRUE;
+}
+
+Rotation
+RRGetRotation(ScreenPtr pScreen)
+{
+    RROutputPtr	output = RRFirstOutput (pScreen);
+
+    if (!output)
+	return RR_Rotate_0;
+
+    return output->crtc->rotation;
+}
+
+void
+RRSetCurrentConfig (ScreenPtr		pScreen,
+		    Rotation		rotation,
+		    int			rate,
+		    RRScreenSizePtr	pSize)
+{
+    rrScrPriv (pScreen);
+
+    if (!pScrPriv)
+	return;
+    pScrPriv->size = pSize - pScrPriv->pSizes;
+    pScrPriv->rotation = rotation;
+    pScrPriv->rate = rate;
+}
+#endif

randr/rrmode.c

@@ -0,0 +1,218 @@
+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+
+RESTYPE	RRModeType;
+
+static Bool
+RRModeEqual (xRRModeInfo *a, xRRModeInfo *b)
+{
+    if (a->width != b->width) return FALSE;
+    if (a->height != b->height) return FALSE;
+    if (a->dotClock != b->dotClock) return FALSE;
+    if (a->hSyncStart != b->hSyncStart) return FALSE;
+    if (a->hSyncEnd != b->hSyncEnd) return FALSE;
+    if (a->hTotal != b->hTotal) return FALSE;
+    if (a->hSkew != b->hSkew) return FALSE;
+    if (a->vSyncStart != b->vSyncStart) return FALSE;
+    if (a->vSyncEnd != b->vSyncEnd) return FALSE;
+    if (a->vTotal != b->vTotal) return FALSE;
+    if (a->nameLength != b->nameLength) return FALSE;
+    if (a->modeFlags != b->modeFlags) return FALSE;
+    return TRUE;
+}
+
+/*
+ * Keep a list so it's easy to find modes in the resource database.
+ */
+static int	    num_modes;
+static RRModePtr    *modes;
+
+RRModePtr
+RRModeGet (xRRModeInfo	*modeInfo,
+	   const char	*name)
+{
+    int	i;
+    RRModePtr	mode;
+    RRModePtr	*newModes;
+
+    for (i = 0; i < num_modes; i++)
+    {
+	mode = modes[i];
+	if (RRModeEqual (&mode->mode, modeInfo) &&
+	    !memcmp (name, mode->name, modeInfo->nameLength))
+	{
+	    ++mode->refcnt;
+	    return mode;
+	}
+    }
+
+    mode = xalloc (sizeof (RRModeRec) + modeInfo->nameLength + 1);
+    if (!mode)
+	return NULL;
+    mode->refcnt = 1;
+    mode->mode = *modeInfo;
+    mode->name = (char *) (mode + 1);
+    memcpy (mode->name, name, modeInfo->nameLength);
+    mode->name[modeInfo->nameLength] = '\0';
+    mode->userDefined = FALSE;
+
+    if (num_modes)
+	newModes = xrealloc (modes, (num_modes + 1) * sizeof (RRModePtr));
+    else
+	newModes = xalloc (sizeof (RRModePtr));
+
+    if (!newModes)
+    {
+	xfree (mode);
+	return NULL;
+    }
+
+    mode->mode.id = FakeClientID(0);
+    if (!AddResource (mode->mode.id, RRModeType, (pointer) mode))
+	return NULL;
+    modes = newModes;
+    modes[num_modes++] = mode;
+    
+    /*
+     * give the caller a reference to this mode
+     */
+    ++mode->refcnt;
+    return mode;
+}
+
+RRModePtr *
+RRModesForScreen (ScreenPtr pScreen, int *num_ret)
+{
+    rrScrPriv(pScreen);
+    int	o;
+    RRModePtr	*screen_modes;
+    int		num_screen_modes = 0;
+
+    screen_modes = xalloc ((num_modes ? num_modes : 1) * sizeof (RRModePtr));
+    
+    for (o = 0; o < pScrPriv->numOutputs; o++)
+    {
+	RROutputPtr	output = pScrPriv->outputs[o];
+	int		m, n;
+
+	for (m = 0; m < output->numModes; m++)
+	{
+	    RRModePtr	mode = output->modes[m];
+	    for (n = 0; n < num_screen_modes; n++)
+		if (screen_modes[n] == mode)
+		    break;
+	    if (n == num_screen_modes)
+		screen_modes[num_screen_modes++] = mode;
+	}
+    }
+    *num_ret = num_screen_modes;
+    return screen_modes;
+}
+
+void
+RRModeDestroy (RRModePtr mode)
+{
+    int	m;
+    
+    if (--mode->refcnt > 0)
+	return;
+    for (m = 0; m < num_modes; m++)
+    {
+	if (modes[m] == mode)
+	{
+	    memmove (modes + m, modes + m + 1,
+		     (num_modes - m - 1) * sizeof (RRModePtr));
+	    num_modes--;
+	    if (!num_modes)
+	    {
+		xfree (modes);
+		modes = NULL;
+	    }
+	    break;
+	}
+    }
+    
+    xfree (mode);
+}
+
+static int
+RRModeDestroyResource (pointer value, XID pid)
+{
+    RRModeDestroy ((RRModePtr) value);
+    return 1;
+}
+
+Bool
+RRModeInit (void)
+{
+    assert (num_modes == 0);
+    assert (modes == NULL);
+    RRModeType = CreateNewResourceType (RRModeDestroyResource);
+    if (!RRModeType)
+	return FALSE;
+#ifdef XResExtension
+    RegisterResourceName (RRModeType, "MODE");
+#endif
+    return TRUE;
+}
+
+int
+ProcRRCreateMode (ClientPtr client)
+{
+    REQUEST(xRRCreateModeReq);
+    
+    REQUEST_SIZE_MATCH(xRRCreateModeReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+int
+ProcRRDestroyMode (ClientPtr client)
+{
+    REQUEST(xRRDestroyModeReq);
+    
+    REQUEST_SIZE_MATCH(xRRDestroyModeReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+int
+ProcRRAddOutputMode (ClientPtr client)
+{
+    REQUEST(xRRAddOutputModeReq);
+    
+    REQUEST_SIZE_MATCH(xRRAddOutputModeReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+int
+ProcRRDeleteOutputMode (ClientPtr client)
+{
+    REQUEST(xRRDeleteOutputModeReq);
+    
+    REQUEST_SIZE_MATCH(xRRDeleteOutputModeReq);
+    (void) stuff;
+    return BadImplementation; 
+}

randr/rroutput.c

@@ -0,0 +1,461 @@
+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+
+RESTYPE	RROutputType;
+
+/*
+ * Notify the output of some change
+ */
+void
+RROutputChanged (RROutputPtr output)
+{
+    ScreenPtr	pScreen = output->pScreen;
+    
+    output->changed = TRUE;
+    if (pScreen)
+    {
+	rrScrPriv (pScreen);
+	pScrPriv->changed = TRUE;
+    }
+}
+
+/*
+ * Create an output
+ */
+
+RROutputPtr
+RROutputCreate (const char  *name,
+		int	    nameLength,
+		void	    *devPrivate)
+{
+    RROutputPtr	output;
+
+    output = xalloc (sizeof (RROutputRec) + nameLength + 1);
+    if (!output)
+	return NULL;
+    output->id = FakeClientID (0);
+    output->pScreen = NULL;
+    output->name = (char *) (output + 1);
+    output->nameLength = nameLength;
+    memcpy (output->name, name, nameLength);
+    output->name[nameLength] = '\0';
+    output->connection = RR_UnknownConnection;
+    output->subpixelOrder = SubPixelUnknown;
+    output->mmWidth = 0;
+    output->mmHeight = 0;
+    output->crtc = NULL;
+    output->numCrtcs = 0;
+    output->crtcs = NULL;
+    output->numClones = 0;
+    output->clones = NULL;
+    output->numModes = 0;
+    output->numPreferred = 0;
+    output->modes = NULL;
+    output->properties = NULL;
+    output->changed = FALSE;
+    output->devPrivate = devPrivate;
+    
+    if (!AddResource (output->id, RROutputType, (pointer) output))
+	return NULL;
+
+    return output;
+}
+
+/*
+ * Attach an Output to a screen. This is done as a separate step
+ * so that an xf86-based driver can create Outputs in PreInit
+ * before the Screen has been created
+ */
+
+Bool
+RROutputAttachScreen (RROutputPtr output, ScreenPtr pScreen)
+{
+    rrScrPriv (pScreen);
+    RROutputPtr	*outputs;
+    
+    if (pScrPriv->numOutputs)
+	outputs = xrealloc (pScrPriv->outputs, 
+			    (pScrPriv->numOutputs + 1) * sizeof (RROutputPtr));
+    else
+	outputs = xalloc (sizeof (RROutputPtr));
+    if (!outputs)
+	return FALSE;
+    output->pScreen = pScreen;
+    pScrPriv->outputs = outputs;
+    pScrPriv->outputs[pScrPriv->numOutputs++] = output;
+    RROutputChanged (output);
+    return TRUE;
+}
+		      
+/*
+ * Notify extension that output parameters have been changed
+ */
+Bool
+RROutputSetClones (RROutputPtr  output,
+		   RROutputPtr  *clones,
+		   int		numClones)
+{
+    RROutputPtr	*newClones;
+    int		i;
+
+    if (numClones == output->numClones)
+    {
+	for (i = 0; i < numClones; i++)
+	    if (output->clones[i] != clones[i])
+		break;
+	if (i == numClones)
+	    return TRUE;
+    }
+    if (numClones)
+    {
+	newClones = xalloc (numClones * sizeof (RROutputPtr));
+	if (!newClones)
+	    return FALSE;
+    }
+    else
+	newClones = NULL;
+    if (output->clones)
+	xfree (output->clones);
+    memcpy (newClones, clones, numClones * sizeof (RROutputPtr));
+    output->clones = newClones;
+    output->numClones = numClones;
+    RROutputChanged (output);
+    return TRUE;
+}
+
+Bool
+RROutputSetModes (RROutputPtr	output,
+		  RRModePtr	*modes,
+		  int		numModes,
+		  int		numPreferred)
+{
+    RRModePtr	*newModes;
+    int		i;
+
+    if (numModes == output->numModes && numPreferred == output->numPreferred)
+    {
+	for (i = 0; i < numModes; i++)
+	    if (output->modes[i] != modes[i])
+		break;
+	if (i == numModes)
+	{
+	    for (i = 0; i < numModes; i++)
+		RRModeDestroy (modes[i]);
+	    return TRUE;
+	}
+    }
+
+    if (numModes)
+    {
+	newModes = xalloc (numModes * sizeof (RRModePtr));
+	if (!newModes)
+	    return FALSE;
+    }
+    else
+	newModes = NULL;
+    if (output->modes)
+    {
+	for (i = 0; i < output->numModes; i++)
+	    RRModeDestroy (output->modes[i]);
+	xfree (output->modes);
+    }
+    memcpy (newModes, modes, numModes * sizeof (RRModePtr));
+    output->modes = newModes;
+    output->numModes = numModes;
+    output->numPreferred = numPreferred;
+    RROutputChanged (output);
+    return TRUE;
+}
+
+Bool
+RROutputSetCrtcs (RROutputPtr	output,
+		  RRCrtcPtr	*crtcs,
+		  int		numCrtcs)
+{
+    RRCrtcPtr	*newCrtcs;
+    int		i;
+
+    if (numCrtcs == output->numCrtcs)
+    {
+	for (i = 0; i < numCrtcs; i++)
+	    if (output->crtcs[i] != crtcs[i])
+		break;
+	if (i == numCrtcs)
+	    return TRUE;
+    }
+    if (numCrtcs)
+    {
+	newCrtcs = xalloc (numCrtcs * sizeof (RRCrtcPtr));
+	if (!newCrtcs)
+	    return FALSE;
+    }
+    else
+	newCrtcs = NULL;
+    if (output->crtcs)
+	xfree (output->crtcs);
+    memcpy (newCrtcs, crtcs, numCrtcs * sizeof (RRCrtcPtr));
+    output->crtcs = newCrtcs;
+    output->numCrtcs = numCrtcs;
+    RROutputChanged (output);
+    return TRUE;
+}
+
+void
+RROutputSetCrtc (RROutputPtr output, RRCrtcPtr crtc)
+{
+    if (output->crtc == crtc)
+	return;
+    output->crtc = crtc;
+    RROutputChanged (output);
+}
+
+Bool
+RROutputSetConnection (RROutputPtr  output,
+		       CARD8	    connection)
+{
+    if (output->connection == connection)
+	return TRUE;
+    output->connection = connection;
+    RROutputChanged (output);
+    return TRUE;
+}
+
+Bool
+RROutputSetSubpixelOrder (RROutputPtr output,
+			  int	      subpixelOrder)
+{
+    if (output->subpixelOrder == subpixelOrder)
+	return TRUE;
+
+    output->subpixelOrder = subpixelOrder;
+    RROutputChanged (output);
+    return TRUE;
+}
+
+Bool
+RROutputSetPhysicalSize (RROutputPtr	output,
+			 int		mmWidth,
+			 int		mmHeight)
+{
+    if (output->mmWidth == mmWidth && output->mmHeight == mmHeight)
+	return TRUE;
+    output->mmWidth = mmWidth;
+    output->mmHeight = mmHeight;
+    RROutputChanged (output);
+    return TRUE;
+}
+
+
+void
+RRDeliverOutputEvent(ClientPtr client, WindowPtr pWin, RROutputPtr output)
+{
+    ScreenPtr pScreen = pWin->drawable.pScreen;
+    rrScrPriv (pScreen);
+    xRROutputChangeNotifyEvent	oe;
+    RRCrtcPtr	crtc = output->crtc;
+    RRModePtr	mode = crtc ? crtc->mode : 0;
+    
+    oe.type = RRNotify + RREventBase;
+    oe.subCode = RRNotify_OutputChange;
+    oe.sequenceNumber = client->sequence;
+    oe.timestamp = pScrPriv->lastSetTime.milliseconds;
+    oe.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    oe.window = pWin->drawable.id;
+    oe.output = output->id;
+    if (crtc)
+    {
+	oe.crtc = crtc->id;
+	oe.mode = mode ? mode->mode.id : None;
+	oe.rotation = crtc->rotation;
+    }
+    else
+    {
+	oe.crtc = None;
+	oe.mode = None;
+	oe.rotation = RR_Rotate_0;
+    }
+    oe.connection = output->connection;
+    oe.subpixelOrder = output->subpixelOrder;
+    WriteEventsToClient (client, 1, (xEvent *) &oe);
+}
+
+/*
+ * Destroy a Output at shutdown
+ */
+void
+RROutputDestroy (RROutputPtr crtc)
+{
+    FreeResource (crtc->id, 0);
+}
+
+static int
+RROutputDestroyResource (pointer value, XID pid)
+{
+    RROutputPtr	output = (RROutputPtr) value;
+    ScreenPtr	pScreen = output->pScreen;
+
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+	int		i;
+    
+	for (i = 0; i < pScrPriv->numOutputs; i++)
+	{
+	    if (pScrPriv->outputs[i] == output)
+	    {
+		memmove (pScrPriv->outputs + i, pScrPriv->outputs + i + 1,
+			 (pScrPriv->numOutputs - (i - 1)) * sizeof (RROutputPtr));
+		--pScrPriv->numOutputs;
+		break;
+	    }
+	}
+    }
+    if (output->modes)
+	xfree (output->modes);
+    if (output->crtcs)
+	xfree (output->crtcs);
+    if (output->clones)
+	xfree (output->clones);
+    RRDeleteAllOutputProperties (output);
+    xfree (output);
+    return 1;
+}
+
+/*
+ * Initialize output type
+ */
+Bool
+RROutputInit (void)
+{
+    RROutputType = CreateNewResourceType (RROutputDestroyResource);
+    if (!RROutputType)
+	return FALSE;
+#ifdef XResExtension
+	RegisterResourceName (RROutputType, "OUTPUT");
+#endif
+    return TRUE;
+}
+
+#define OutputInfoExtra	(SIZEOF(xRRGetOutputInfoReply) - 32)
+				
+int
+ProcRRGetOutputInfo (ClientPtr client)
+{
+    REQUEST(xRRGetOutputInfoReq);;
+    xRRGetOutputInfoReply	rep;
+    RROutputPtr			output;
+    CARD8			*extra;
+    unsigned long		extraLen;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    RRCrtc			*crtcs;
+    RRMode			*modes;
+    RROutput			*clones;
+    char			*name;
+    int				i, n;
+    
+    REQUEST_SIZE_MATCH(xRRGetOutputInfoReq);
+    output = LookupOutput(client, stuff->output, SecurityReadAccess);
+
+    if (!output)
+	return RRErrorBase + BadRROutput;
+
+    pScreen = output->pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+
+    rep.type = X_Reply;
+    rep.sequenceNumber = client->sequence;
+    rep.length = OutputInfoExtra >> 2;
+    rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+    rep.crtc = output->crtc ? output->crtc->id : None;
+    rep.mmWidth = output->mmWidth;
+    rep.mmHeight = output->mmHeight;
+    rep.connection = output->connection;
+    rep.subpixelOrder = output->subpixelOrder;
+    rep.nCrtcs = output->numCrtcs;
+    rep.nModes = output->numModes;
+    rep.nPreferred = output->numPreferred;
+    rep.nClones = output->numClones;
+    rep.nameLength = output->nameLength;
+    
+    extraLen = ((output->numCrtcs + 
+		 output->numModes + 
+		 output->numClones +
+		 ((rep.nameLength + 3) >> 2)) << 2);
+
+    if (extraLen)
+    {
+	rep.length += extraLen >> 2;
+	extra = xalloc (extraLen);
+	if (!extra)
+	    return BadAlloc;
+    }
+    else
+	extra = NULL;
+
+    crtcs = (RRCrtc *) extra;
+    modes = (RRMode *) (crtcs + output->numCrtcs);
+    clones = (RROutput *) (modes + output->numModes);
+    name = (char *) (clones + output->numClones);
+    
+    for (i = 0; i < output->numCrtcs; i++)
+    {
+	crtcs[i] = output->crtcs[i]->id;
+	if (client->swapped)
+	    swapl (&crtcs[i], n);
+    }
+    for (i = 0; i < output->numModes; i++)
+    {
+	modes[i] = output->modes[i]->mode.id;
+	if (client->swapped)
+	    swapl (&modes[i], n);
+    }
+    for (i = 0; i < output->numClones; i++)
+    {
+	clones[i] = output->clones[i]->id;
+	if (client->swapped)
+	    swapl (&clones[i], n);
+    }
+    memcpy (name, output->name, output->nameLength);
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swapl(&rep.crtc, n);
+	swapl(&rep.mmWidth, n);
+	swapl(&rep.mmHeight, n);
+	swaps(&rep.nCrtcs, n);
+	swaps(&rep.nModes, n);
+	swaps(&rep.nClones, n);
+	swaps(&rep.nameLength, n);
+    }
+    WriteToClient(client, sizeof(xRRGetOutputInfoReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    
+    return client->noClientException;
+}

randr/rrpointer.c

@@ -0,0 +1,137 @@
+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+
+/*
+ * When the pointer moves, check to see if the specified position is outside
+ * any of theavailable CRTCs and move it to a 'sensible' place if so, where
+ * sensible is the closest monitor to the departing edge.
+ *
+ * Returns whether the position was adjusted
+ */
+
+static Bool
+RRCrtcContainsPosition (RRCrtcPtr crtc, int x, int y)
+{
+    RRModePtr   mode = crtc->mode;
+    
+    if (!mode)
+	return FALSE;
+    if (crtc->x <= x && x < crtc->x + mode->mode.width &&
+	crtc->y <= y && y < crtc->y + mode->mode.height)
+	return TRUE;
+    return FALSE;
+}
+
+/*
+ * Find the CRTC nearest the specified position, ignoring 'skip'
+ */
+static void
+RRPointerToNearestCrtc (ScreenPtr pScreen, int x, int y, RRCrtcPtr skip)
+{
+    rrScrPriv (pScreen);
+    int		c;
+    RRCrtcPtr	nearest = NULL;
+    int		best = 0;
+    int		best_dx = 0, best_dy = 0;
+    
+    for (c = 0; c < pScrPriv->numCrtcs; c++)
+    {
+	RRCrtcPtr   crtc = pScrPriv->crtcs[c];
+	RRModePtr   mode = crtc->mode;
+	int	    dx, dy;
+	int	    dist;
+
+	if (!mode)
+	    continue;
+	if (crtc == skip)
+	    continue;
+	if (x < crtc->x)
+	    dx = crtc->x - x;
+	else if (x > crtc->x + mode->mode.width)
+	    dx = x - (crtc->x + mode->mode.width);
+	else
+	    dx = 0;
+	if (y < crtc->y)
+	    dy = crtc->y - x;
+	else if (y > crtc->y + mode->mode.height)
+	    dy = y - (crtc->y + mode->mode.height);
+	else
+	    dy = 0;
+	dist = dx + dy;
+	if (!nearest || dist < best)
+	{
+	    nearest = crtc;
+	    best_dx = dx;
+	    best_dy = dy;
+	}
+    }
+    if (best_dx || best_dy)
+	(*pScreen->SetCursorPosition) (pScreen, x + best_dx, y + best_dy, TRUE);
+    pScrPriv->pointerCrtc = nearest;
+}
+
+void
+RRPointerMoved (ScreenPtr pScreen, int x, int y)
+{
+    rrScrPriv (pScreen);
+    RRCrtcPtr	pointerCrtc = pScrPriv->pointerCrtc;;
+    int	c;
+
+    /* Check last known CRTC */
+    if (pointerCrtc && RRCrtcContainsPosition (pointerCrtc, x, y))
+	return;
+    
+    /* Check all CRTCs */
+    for (c = 0; c < pScrPriv->numCrtcs; c++)
+    {
+	RRCrtcPtr   crtc = pScrPriv->crtcs[c];
+	
+	if (RRCrtcContainsPosition (crtc, x, y))
+	{
+	    /* Remember containing CRTC */
+	    pScrPriv->pointerCrtc = crtc;
+	    return;
+	}
+    }
+
+    /* None contain pointer, find nearest */
+    RRPointerToNearestCrtc (pScreen, x, y, pointerCrtc);
+}
+
+/*
+ * When the screen is reconfigured, move the pointer to the nearest
+ * CRTC
+ */
+void
+RRPointerScreenConfigured (ScreenPtr pScreen)
+{
+    WindowPtr	pRoot = GetCurrentRootWindow ();
+    ScreenPtr	pCurrentScreen = pRoot ? pRoot->drawable.pScreen : NULL;
+    int		x, y;
+
+    if (pScreen != pCurrentScreen)
+	return;
+    GetSpritePosition (&x, &y);
+    RRPointerToNearestCrtc (pScreen, x, y, NULL);
+}

randr/rrproperty.c

@@ -0,0 +1,431 @@
+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+#include "propertyst.h"
+#include "swaprep.h"
+
+static void
+RRDeliverEvent (ScreenPtr pScreen, xEvent *event, CARD32 mask)
+{
+    
+}
+
+void
+RRDeleteAllOutputProperties (RROutputPtr output)
+{
+    PropertyPtr prop, next;
+    xRROutputPropertyNotifyEvent    event;
+
+    for (prop = output->properties; prop; prop = next)
+    {
+	next = prop->next;
+	event.type = RREventBase + RRNotify;
+	event.subCode = RRNotify_OutputProperty;
+	event.output = output->id;
+	event.state = PropertyDelete;
+	event.atom = prop->propertyName;
+	event.timestamp = currentTime.milliseconds;
+	RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
+        xfree(prop->data);
+        xfree(prop);
+    }
+}
+
+void
+RRDeleteOutputProperty (RROutputPtr output, Atom property)
+{
+    PropertyPtr	prop, *prev;
+    xRROutputPropertyNotifyEvent    event;
+
+    for (prev = &output->properties; (prop = *prev); prev = &(prop->next))
+	if (prop->propertyName == property)
+	    break;
+    if (prop)
+    {
+	*prev = prop->next;
+	event.type = RREventBase + RRNotify;
+	event.subCode = RRNotify_OutputProperty;
+	event.output = output->id;
+	event.state = PropertyDelete;
+	event.atom = prop->propertyName;
+	event.timestamp = currentTime.milliseconds;
+	RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
+        xfree(prop->data);
+        xfree(prop);
+    }
+}
+
+int
+RRChangeOutputProperty (RROutputPtr output, Atom property, Atom type,
+			int format, int mode, unsigned long len,
+			pointer value, Bool sendevent)
+{
+    PropertyPtr			    prop;
+    xRROutputPropertyNotifyEvent    event;
+    int				    sizeInBytes;
+    int				    totalSize;
+    pointer			    data;
+
+    sizeInBytes = format >> 3;
+    totalSize = len * sizeInBytes;
+
+    /* first see if property already exists */
+
+    for (prop = output->properties; prop; prop = prop->next)
+	if (prop->propertyName == property)
+	    break;
+    
+    if (!prop)   /* just add to list */
+    {
+        prop = (PropertyPtr)xalloc(sizeof(PropertyRec));
+	if (!prop)
+	    return(BadAlloc);
+        data = (pointer)xalloc(totalSize);
+	if (!data && len)
+	{
+	    xfree(prop);
+	    return(BadAlloc);
+	}
+        prop->propertyName = property;
+        prop->type = type;
+        prop->format = format;
+        prop->data = data;
+	if (len)
+	    memmove((char *)data, (char *)value, totalSize);
+	prop->size = len;
+        prop->next = output->properties;
+        output->properties = prop;
+    }
+    else
+    {
+	/* To append or prepend to a property the request format and type
+		must match those of the already defined property.  The
+		existing format and type are irrelevant when using the mode
+		"PropModeReplace" since they will be written over. */
+
+        if ((format != prop->format) && (mode != PropModeReplace))
+	    return(BadMatch);
+        if ((prop->type != type) && (mode != PropModeReplace))
+            return(BadMatch);
+        if (mode == PropModeReplace)
+        {
+	    if (totalSize != prop->size * (prop->format >> 3))
+	    {
+	    	data = (pointer)xrealloc(prop->data, totalSize);
+	    	if (!data && len)
+		    return(BadAlloc);
+            	prop->data = data;
+	    }
+	    if (len)
+		memmove((char *)prop->data, (char *)value, totalSize);
+	    prop->size = len;
+    	    prop->type = type;
+	    prop->format = format;
+	}
+	else if (len == 0)
+	{
+	    /* do nothing */
+	}
+        else if (mode == PropModeAppend)
+        {
+	    data = (pointer)xrealloc(prop->data,
+				     sizeInBytes * (len + prop->size));
+	    if (!data)
+		return(BadAlloc);
+            prop->data = data;
+	    memmove(&((char *)data)[prop->size * sizeInBytes], 
+		    (char *)value,
+		  totalSize);
+            prop->size += len;
+	}
+        else if (mode == PropModePrepend)
+        {
+            data = (pointer)xalloc(sizeInBytes * (len + prop->size));
+	    if (!data)
+		return(BadAlloc);
+	    memmove(&((char *)data)[totalSize], (char *)prop->data, 
+		  (int)(prop->size * sizeInBytes));
+            memmove((char *)data, (char *)value, totalSize);
+	    xfree(prop->data);
+            prop->data = data;
+            prop->size += len;
+	}
+    }
+    if (sendevent)
+    {
+	event.type = RREventBase + RRNotify;
+	event.subCode = RRNotify_OutputProperty;
+	event.output = output->id;
+	event.state = PropertyNewValue;
+	event.atom = prop->propertyName;
+	event.timestamp = currentTime.milliseconds;
+	RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
+    }
+    return(Success);
+}
+
+int
+ProcRRListOutputProperties (ClientPtr client)
+{
+    REQUEST(xRRListOutputPropertiesReq);
+    Atom			    *pAtoms = NULL, *temppAtoms;
+    xRRListOutputPropertiesReply    rep;
+    int				    numProps = 0;
+    RROutputPtr			    output;
+    PropertyPtr			    prop;
+    
+    REQUEST_SIZE_MATCH(xRRListOutputPropertiesReq);
+
+    output = LookupOutput (client, stuff->output, SecurityReadAccess);
+    
+    if (!output)
+        return RRErrorBase + BadRROutput;
+
+    for (prop = output->properties; prop; prop = prop->next)
+	numProps++;
+    if (numProps)
+        if(!(pAtoms = (Atom *)ALLOCATE_LOCAL(numProps * sizeof(Atom))))
+            return(BadAlloc);
+
+    rep.type = X_Reply;
+    rep.nProperties = numProps;
+    rep.length = (numProps * sizeof(Atom)) >> 2;
+    rep.sequenceNumber = client->sequence;
+    temppAtoms = pAtoms;
+    for (prop = output->properties; prop; prop = prop->next)
+	*temppAtoms++ = prop->propertyName;
+
+    WriteReplyToClient(client, sizeof(xRRListOutputPropertiesReply), &rep);
+    if (numProps)
+    {
+        client->pSwapReplyFunc = (ReplySwapPtr)Swap32Write;
+        WriteSwappedDataToClient(client, numProps * sizeof(Atom), pAtoms);
+        DEALLOCATE_LOCAL(pAtoms);
+    }
+    return(client->noClientException);
+}
+
+int
+ProcRRChangeOutputProperty (ClientPtr client)
+{
+    REQUEST(xRRChangeOutputPropertyReq);
+    RROutputPtr	    output;
+    char	    format, mode;
+    unsigned long   len;
+    int		    sizeInBytes;
+    int		    totalSize;
+    int		    err;
+
+    REQUEST_AT_LEAST_SIZE(xRRChangeOutputPropertyReq);
+    UpdateCurrentTime();
+    format = stuff->format;
+    mode = stuff->mode;
+    if ((mode != PropModeReplace) && (mode != PropModeAppend) &&
+	(mode != PropModePrepend))
+    {
+	client->errorValue = mode;
+	return BadValue;
+    }
+    if ((format != 8) && (format != 16) && (format != 32))
+    {
+	client->errorValue = format;
+        return BadValue;
+    }
+    len = stuff->nUnits;
+    if (len > ((0xffffffff - sizeof(xChangePropertyReq)) >> 2))
+	return BadLength;
+    sizeInBytes = format>>3;
+    totalSize = len * sizeInBytes;
+    REQUEST_FIXED_SIZE(xRRChangeOutputPropertyReq, totalSize);
+
+    output = LookupOutput (client, stuff->output, SecurityWriteAccess);
+    if (!output)
+	return RRErrorBase + BadRROutput;
+    
+    if (!ValidAtom(stuff->property))
+    {
+	client->errorValue = stuff->property;
+	return(BadAtom);
+    }
+    if (!ValidAtom(stuff->type))
+    {
+	client->errorValue = stuff->type;
+	return(BadAtom);
+    }
+
+    err = RRChangeOutputProperty(output, stuff->property,
+				 stuff->type, (int)format,
+				 (int)mode, len, (pointer)&stuff[1], TRUE);
+    if (err != Success)
+	return err;
+    else
+	return client->noClientException;
+}
+
+int
+ProcRRDeleteOutputProperty (ClientPtr client)
+{
+    REQUEST(xRRDeleteOutputPropertyReq);
+    RROutputPtr	output;
+              
+    REQUEST_SIZE_MATCH(xRRDeleteOutputPropertyReq);
+    UpdateCurrentTime();
+    output = LookupOutput (client, stuff->output, SecurityWriteAccess);
+    if (!output)
+        return RRErrorBase + BadRROutput;
+    
+    if (!ValidAtom(stuff->property))
+    {
+	client->errorValue = stuff->property;
+	return (BadAtom);
+    }
+
+
+    RRDeleteOutputProperty(output, stuff->property);
+    return client->noClientException;
+}
+
+int
+ProcRRGetOutputProperty (ClientPtr client)
+{
+    REQUEST(xRRGetOutputPropertyReq);
+    PropertyPtr			prop, *prev;
+    unsigned long		n, len, ind;
+    RROutputPtr			output;
+    xRRGetOutputPropertyReply	reply;
+
+    REQUEST_SIZE_MATCH(xRRGetOutputPropertyReq);
+    if (stuff->delete)
+	UpdateCurrentTime();
+    output = LookupOutput (client, stuff->output, 
+			   stuff->delete ? SecurityWriteAccess :
+			   SecurityReadAccess);
+    if (!output)
+	return RRErrorBase + BadRROutput;
+
+    if (!ValidAtom(stuff->property))
+    {
+	client->errorValue = stuff->property;
+	return(BadAtom);
+    }
+    if ((stuff->delete != xTrue) && (stuff->delete != xFalse))
+    {
+	client->errorValue = stuff->delete;
+	return(BadValue);
+    }
+    if ((stuff->type != AnyPropertyType) && !ValidAtom(stuff->type))
+    {
+	client->errorValue = stuff->type;
+	return(BadAtom);
+    }
+
+    for (prev = &output->properties; (prop = *prev); prev = &prop->next)
+	if (prop->propertyName == stuff->property) 
+	    break;
+
+    reply.type = X_Reply;
+    reply.sequenceNumber = client->sequence;
+    if (!prop) 
+    {
+	reply.nItems = 0;
+	reply.length = 0;
+	reply.bytesAfter = 0;
+	reply.propertyType = None;
+	reply.format = 0;
+	WriteReplyToClient(client, sizeof(xRRGetOutputPropertyReply), &reply);
+	return(client->noClientException);
+    }
+
+    /* If the request type and actual type don't match. Return the
+    property information, but not the data. */
+
+    if (((stuff->type != prop->type) &&
+	 (stuff->type != AnyPropertyType))
+       )
+    {
+	reply.bytesAfter = prop->size;
+	reply.format = prop->format;
+	reply.length = 0;
+	reply.nItems = 0;
+	reply.propertyType = prop->type;
+	WriteReplyToClient(client, sizeof(xRRGetOutputPropertyReply), &reply);
+	return(client->noClientException);
+    }
+
+/*
+ *  Return type, format, value to client
+ */
+    n = (prop->format/8) * prop->size; /* size (bytes) of prop */
+    ind = stuff->longOffset << 2;        
+
+   /* If longOffset is invalid such that it causes "len" to
+	    be negative, it's a value error. */
+
+    if (n < ind)
+    {
+	client->errorValue = stuff->longOffset;
+	return BadValue;
+    }
+
+    len = min(n - ind, 4 * stuff->longLength);
+
+    reply.bytesAfter = n - (ind + len);
+    reply.format = prop->format;
+    reply.length = (len + 3) >> 2;
+    reply.nItems = len / (prop->format / 8 );
+    reply.propertyType = prop->type;
+
+    if (stuff->delete && (reply.bytesAfter == 0))
+    {
+	xRROutputPropertyNotifyEvent    event;
+
+	event.type = RREventBase + RRNotify;
+	event.subCode = RRNotify_OutputProperty;
+	event.output = output->id;
+	event.state = PropertyDelete;
+	event.atom = prop->propertyName;
+	event.timestamp = currentTime.milliseconds;
+	RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
+    }
+
+    WriteReplyToClient(client, sizeof(xGenericReply), &reply);
+    if (len)
+    {
+	switch (reply.format) {
+	case 32: client->pSwapReplyFunc = (ReplySwapPtr)CopySwap32Write; break;
+	case 16: client->pSwapReplyFunc = (ReplySwapPtr)CopySwap16Write; break;
+	default: client->pSwapReplyFunc = (ReplySwapPtr)WriteToClient; break;
+	}
+	WriteSwappedDataToClient(client, len,
+				 (char *)prop->data + ind);
+    }
+
+    if (stuff->delete && (reply.bytesAfter == 0))
+    { /* delete the Property */
+	*prev = prop->next;
+	xfree(prop->data);
+	xfree(prop);
+    }
+    return(client->noClientException);
+}
+

randr/rrscreen.c

@@ -0,0 +1,913 @@
+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+
+extern char	*ConnectionInfo;
+
+static int padlength[4] = {0, 3, 2, 1};
+
+/*
+ * Edit connection information block so that new clients
+ * see the current screen size on connect
+ */
+static void
+RREditConnectionInfo (ScreenPtr pScreen)
+{
+    xConnSetup	    *connSetup;
+    char	    *vendor;
+    xPixmapFormat   *formats;
+    xWindowRoot	    *root;
+    xDepth	    *depth;
+    xVisualType	    *visual;
+    int		    screen = 0;
+    int		    d;
+
+    connSetup = (xConnSetup *) ConnectionInfo;
+    vendor = (char *) connSetup + sizeof (xConnSetup);
+    formats = (xPixmapFormat *) ((char *) vendor +
+				 connSetup->nbytesVendor +
+				 padlength[connSetup->nbytesVendor & 3]);
+    root = (xWindowRoot *) ((char *) formats +
+			    sizeof (xPixmapFormat) * screenInfo.numPixmapFormats);
+    while (screen != pScreen->myNum)
+    {
+	depth = (xDepth *) ((char *) root + 
+			    sizeof (xWindowRoot));
+	for (d = 0; d < root->nDepths; d++)
+	{
+	    visual = (xVisualType *) ((char *) depth +
+				      sizeof (xDepth));
+	    depth = (xDepth *) ((char *) visual +
+				depth->nVisuals * sizeof (xVisualType));
+	}
+	root = (xWindowRoot *) ((char *) depth);
+	screen++;
+    }
+    root->pixWidth = pScreen->width;
+    root->pixHeight = pScreen->height;
+    root->mmWidth = pScreen->mmWidth;
+    root->mmHeight = pScreen->mmHeight;
+}
+
+void
+RRSendConfigNotify (ScreenPtr pScreen)
+{
+    WindowPtr	pWin = WindowTable[pScreen->myNum];
+    xEvent	event;
+
+    event.u.u.type = ConfigureNotify;
+    event.u.configureNotify.window = pWin->drawable.id;
+    event.u.configureNotify.aboveSibling = None;
+    event.u.configureNotify.x = 0;
+    event.u.configureNotify.y = 0;
+
+    /* XXX xinerama stuff ? */
+    
+    event.u.configureNotify.width = pWin->drawable.width;
+    event.u.configureNotify.height = pWin->drawable.height;
+    event.u.configureNotify.borderWidth = wBorderWidth (pWin);
+    event.u.configureNotify.override = pWin->overrideRedirect;
+    DeliverEvents(pWin, &event, 1, NullWindow);
+}
+
+void
+RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen)
+{
+    rrScrPriv (pScreen);
+    xRRScreenChangeNotifyEvent	se;
+    RRCrtcPtr	crtc = pScrPriv->numCrtcs ? pScrPriv->crtcs[0] : NULL;
+    RROutputPtr	output = pScrPriv->numOutputs ? pScrPriv->outputs[0] : NULL;
+    RRModePtr	mode = crtc ? crtc->mode : NULL;
+    WindowPtr	pRoot = WindowTable[pScreen->myNum];
+    int		i;
+    
+    se.type = RRScreenChangeNotify + RREventBase;
+    se.rotation = (CARD8) (crtc ? crtc->rotation : RR_Rotate_0);
+    se.timestamp = pScrPriv->lastSetTime.milliseconds;
+    se.sequenceNumber = client->sequence;
+    se.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    se.root =  pRoot->drawable.id;
+    se.window = pWin->drawable.id;
+#ifdef RENDER
+    se.subpixelOrder = PictureGetSubpixelOrder (pScreen);
+#else
+    se.subpixelOrder = SubPixelUnknown;
+#endif
+
+    se.sequenceNumber = client->sequence;
+    if (mode) 
+    {
+	se.sizeID = -1;
+	for (i = 0; i < output->numModes; i++)
+	    if (mode == output->modes[i])
+	    {
+		se.sizeID = i;
+		break;
+	    }
+	se.widthInPixels = mode->mode.width;
+	se.heightInPixels = mode->mode.height;
+	se.widthInMillimeters = pScreen->mmWidth;
+	se.heightInMillimeters = pScreen->mmHeight;
+    }
+    else
+    {
+	/*
+	 * This "shouldn't happen", but a broken DDX can
+	 * forget to set the current configuration on GetInfo
+	 */
+	se.sizeID = 0xffff;
+	se.widthInPixels = 0;
+	se.heightInPixels = 0;
+	se.widthInMillimeters = 0;
+	se.heightInMillimeters = 0;
+    }    
+    WriteEventsToClient (client, 1, (xEvent *) &se);
+}
+
+/*
+ * Notify the extension that the screen size has been changed.
+ * The driver is responsible for calling this whenever it has changed
+ * the size of the screen
+ */
+void
+RRScreenSizeNotify (ScreenPtr	pScreen)
+{
+    rrScrPriv(pScreen);
+    /*
+     * Deliver ConfigureNotify events when root changes
+     * pixel size
+     */
+    if (pScrPriv->width == pScreen->width &&
+	pScrPriv->height == pScreen->height)
+	return;
+    
+    pScrPriv->width = pScreen->width;
+    pScrPriv->height = pScreen->height;
+    pScrPriv->changed = TRUE;
+/*    pScrPriv->sizeChanged = TRUE; */
+
+    RRTellChanged (pScreen);
+    RRSendConfigNotify (pScreen);
+    RREditConnectionInfo (pScreen);
+    
+    RRPointerScreenConfigured (pScreen);
+    /*
+     * Fix pointer bounds and location
+     */
+    ScreenRestructured (pScreen);
+}
+
+/*
+ * Request that the screen be resized
+ */
+Bool
+RRScreenSizeSet (ScreenPtr  pScreen,
+		 CARD16	    width,
+		 CARD16	    height,
+		 CARD32	    mmWidth,
+		 CARD32	    mmHeight)
+{
+    rrScrPriv(pScreen);
+
+#if RANDR_12_INTERFACE
+    if (pScrPriv->rrScreenSetSize)
+    {
+	return (*pScrPriv->rrScreenSetSize) (pScreen,
+					     width, height,
+					     mmWidth, mmHeight);
+    }
+#endif
+#if RANDR_10_INTERFACE
+    if (pScrPriv->rrSetConfig)
+    {
+	return TRUE;	/* can't set size separately */
+    }
+#endif
+    return FALSE;
+}
+
+/*
+ * Retrieve valid screen size range
+ */
+int 
+ProcRRGetScreenSizeRange (ClientPtr client)
+{
+    REQUEST(xRRGetScreenSizeRangeReq);
+    xRRGetScreenSizeRangeReply	rep;
+    WindowPtr			pWin;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    
+    REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
+    pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
+					   SecurityReadAccess);
+
+    if (!pWin)
+	return BadWindow;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    rep.type = X_Reply;
+    rep.pad = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    
+    if (pScrPriv) 
+    {
+	RRGetInfo (pScreen);
+	rep.minWidth  = pScrPriv->minWidth;
+	rep.minHeight = pScrPriv->minHeight;
+	rep.maxWidth  = pScrPriv->maxWidth;
+	rep.maxHeight = pScrPriv->maxHeight;
+    }
+    else
+    {
+	rep.maxWidth  = rep.minWidth  = pScreen->width;
+	rep.maxHeight = rep.minHeight = pScreen->height;
+    }
+    if (client->swapped) 
+    {
+	int n;
+	
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swaps(&rep.minWidth, n);
+	swaps(&rep.minHeight, n);
+	swaps(&rep.maxWidth, n);
+	swaps(&rep.maxHeight, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenSizeRangeReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+int
+ProcRRSetScreenSize (ClientPtr client)
+{
+    REQUEST(xRRSetScreenSizeReq);
+    WindowPtr		pWin;
+    ScreenPtr		pScreen;
+    rrScrPrivPtr	pScrPriv;
+    RRCrtcPtr		crtc;
+    int			i;
+    
+    REQUEST_SIZE_MATCH(xRRSetScreenSizeReq);
+    pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
+					   SecurityReadAccess);
+
+    if (!pWin)
+	return BadWindow;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    if (stuff->width < pScrPriv->minWidth || pScrPriv->maxWidth < stuff->width)
+    {
+	client->errorValue = stuff->width;
+	return BadValue;
+    }
+    if (stuff->height < pScrPriv->minHeight || 
+	pScrPriv->maxHeight < stuff->height)
+    {
+	client->errorValue = stuff->height;
+	return BadValue;
+    }
+    for (i = 0; i < pScrPriv->numCrtcs; i++) {
+	crtc = pScrPriv->crtcs[i];
+	if (crtc->mode &&
+	    (crtc->x + crtc->mode->mode.width > stuff->width ||
+	     crtc->y + crtc->mode->mode.height > stuff->height))
+	    return BadMatch;
+    }
+    if (stuff->widthInMillimeters == 0 || stuff->heightInMillimeters == 0)
+    {
+	client->errorValue = 0;
+	return BadValue;
+    }
+    if (!RRScreenSizeSet (pScreen, 
+			  stuff->width, stuff->height,
+			  stuff->widthInMillimeters,
+			  stuff->heightInMillimeters))
+    {
+	return BadMatch;
+    }
+    return Success;
+}
+
+int
+ProcRRGetScreenResources (ClientPtr client)
+{
+    REQUEST(xRRGetScreenResourcesReq);
+    xRRGetScreenResourcesReply  rep;
+    WindowPtr			pWin;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    CARD8			*extra;
+    unsigned long		extraLen;
+    int				i;
+    RRCrtc			*crtcs;
+    RROutput			*outputs;
+    xRRModeInfo			*modeinfos;
+    CARD8			*names;
+    int				n;
+    
+    REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq);
+    pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
+					   SecurityReadAccess);
+
+    if (!pWin)
+	return BadWindow;
+    
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    rep.pad = 0;
+    
+    if (pScrPriv)
+	RRGetInfo (pScreen);
+
+    if (!pScrPriv)
+    {
+	rep.type = X_Reply;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.timestamp = currentTime.milliseconds;
+	rep.configTimestamp = currentTime.milliseconds;
+	rep.nCrtcs = 0;
+	rep.nOutputs = 0;
+	rep.nModes = 0;
+	rep.nbytesNames = 0;
+	extra = NULL;
+	extraLen = 0;
+    }
+    else
+    {
+	RRModePtr   *modes;
+	int	    num_modes;
+
+	modes = RRModesForScreen (pScreen, &num_modes);
+	if (!modes)
+	    return BadAlloc;
+	
+	rep.type = X_Reply;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+	rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+	rep.nCrtcs = pScrPriv->numCrtcs;
+	rep.nOutputs = pScrPriv->numOutputs;
+	rep.nModes = num_modes;
+	rep.nbytesNames = 0;
+
+	for (i = 0; i < num_modes; i++)
+	    rep.nbytesNames += modes[i]->mode.nameLength;
+
+	rep.length = (pScrPriv->numCrtcs + 
+		      pScrPriv->numOutputs + 
+		      num_modes * (SIZEOF(xRRModeInfo) >> 2) +
+		      ((rep.nbytesNames + 3) >> 2));
+	
+	extraLen = rep.length << 2;
+	if (extraLen)
+	{
+	    extra = xalloc (extraLen);
+	    if (!extra)
+	    {
+		xfree (modes);
+		return BadAlloc;
+	    }
+	}
+	else
+	    extra = NULL;
+
+	crtcs = (RRCrtc *) extra;
+	outputs = (RROutput *) (crtcs + pScrPriv->numCrtcs);
+	modeinfos = (xRRModeInfo *) (outputs + pScrPriv->numOutputs);
+	names = (CARD8 *) (modeinfos + num_modes);
+	
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	{
+	    crtcs[i] = pScrPriv->crtcs[i]->id;
+	    if (client->swapped)
+		swapl (&crtcs[i], n);
+	}
+	
+	for (i = 0; i < pScrPriv->numOutputs; i++)
+	{
+	    outputs[i] = pScrPriv->outputs[i]->id;
+	    if (client->swapped)
+		swapl (&outputs[i], n);
+	}
+	
+	for (i = 0; i < num_modes; i++)
+	{
+	    RRModePtr	mode = modes[i];
+	    modeinfos[i] = mode->mode;
+	    if (client->swapped)
+	    {
+		swapl (&modeinfos[i].id, n);
+		swaps (&modeinfos[i].width, n);
+		swaps (&modeinfos[i].height, n);
+		swapl (&modeinfos[i].dotClock, n);
+		swaps (&modeinfos[i].hSyncStart, n);
+		swaps (&modeinfos[i].hSyncEnd, n);
+		swaps (&modeinfos[i].hTotal, n);
+		swaps (&modeinfos[i].hSkew, n);
+		swaps (&modeinfos[i].vSyncStart, n);
+		swaps (&modeinfos[i].vSyncEnd, n);
+		swaps (&modeinfos[i].vTotal, n);
+		swaps (&modeinfos[i].nameLength, n);
+		swapl (&modeinfos[i].modeFlags, n);
+	    }
+	    memcpy (names, mode->name, 
+		    mode->mode.nameLength);
+	    names += mode->mode.nameLength;
+	}
+    	xfree (modes);
+	assert (((((char *) names - (char *) extra) + 3) >> 2) == rep.length);
+    }
+    
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swapl(&rep.configTimestamp, n);
+	swaps(&rep.nCrtcs, n);
+	swaps(&rep.nOutputs, n);
+	swaps(&rep.nModes, n);
+	swaps(&rep.nbytesNames, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenResourcesReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    return client->noClientException;
+}
+
+typedef struct _RR10Data {
+    RRScreenSizePtr sizes;
+    int		    nsize;
+    int		    nrefresh;
+    int		    size;
+    CARD16	    refresh;
+} RR10DataRec, *RR10DataPtr;
+
+/*
+ * Convert 1.2 monitor data into 1.0 screen data
+ */
+static RR10DataPtr
+RR10GetData (ScreenPtr pScreen, RROutputPtr output)
+{
+    RR10DataPtr	    data;
+    RRScreenSizePtr size;
+    int		    nmode = output->numModes;
+    int		    i, j, k;
+    RRScreenRatePtr refresh;
+    CARD16	    vRefresh;
+    RRModePtr	    mode;
+
+    /* Make sure there is plenty of space for any combination */
+    data = malloc (sizeof (RR10DataRec) + 
+		   sizeof (RRScreenSize) * nmode + 
+		   sizeof (RRScreenRate) * nmode);
+    if (!data)
+	return NULL;
+    size = (RRScreenSizePtr) (data + 1);
+    refresh = (RRScreenRatePtr) (size + nmode);
+    data->sizes = size;
+    data->nsize = 0;
+    data->nrefresh = 0;
+    data->size = 0;
+    data->refresh = 0;
+    for (i = 0; i < output->numModes; i++)
+    {
+	mode = output->modes[i];
+	for (j = 0; j < data->nsize; j++)
+	    if (mode->mode.width == size[j].width &&
+		mode->mode.height == size[j].height)
+		break;
+	if (j == data->nsize)
+	{
+	    size[j].id = j;
+	    size[j].width = mode->mode.width;
+	    size[j].height = mode->mode.height;
+	    if (output->mmWidth && output->mmHeight) {
+		size[j].mmWidth = output->mmWidth;
+		size[j].mmHeight = output->mmHeight;
+	    } else {
+		size[j].mmWidth = pScreen->mmWidth;
+		size[j].mmHeight = pScreen->mmHeight;
+	    }
+	    size[j].nRates = 0;
+	    size[j].pRates = &refresh[data->nrefresh];
+	    data->nsize++;
+	}
+	vRefresh = RRVerticalRefresh (&mode->mode);
+	for (k = 0; k < size[j].nRates; k++)
+	    if (vRefresh == size[j].pRates[k].rate)
+		break;
+	if (k == size[j].nRates)
+	{
+	    size[j].pRates[k].rate = vRefresh;
+	    size[j].pRates[k].mode = mode;
+	    size[j].nRates++;
+	    data->nrefresh++;
+	}
+	if (mode == output->crtc->mode)
+	{
+	    data->size = j;
+	    data->refresh = vRefresh;
+	}
+    }
+    return data;
+}
+
+int
+ProcRRGetScreenInfo (ClientPtr client)
+{
+    REQUEST(xRRGetScreenInfoReq);
+    xRRGetScreenInfoReply   rep;
+    WindowPtr	    	    pWin;
+    int			    n;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    CARD8		    *extra;
+    unsigned long	    extraLen;
+    RROutputPtr		    output;
+
+    REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
+    pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
+					   SecurityReadAccess);
+
+    if (!pWin)
+	return BadWindow;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    rep.pad = 0;
+    
+    if (pScrPriv)
+	RRGetInfo (pScreen);
+
+    output = RRFirstOutput (pScreen);
+    
+    if (!pScrPriv || !output)
+    {
+	rep.type = X_Reply;
+	rep.setOfRotations = RR_Rotate_0;;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
+	rep.timestamp = currentTime.milliseconds;
+	rep.configTimestamp = currentTime.milliseconds;
+	rep.nSizes = 0;
+	rep.sizeID = 0;
+	rep.rotation = RR_Rotate_0;
+	rep.rate = 0;
+	rep.nrateEnts = 0;
+	extra = 0;
+	extraLen = 0;
+    }
+    else
+    {
+	int			i, j;
+	xScreenSizes		*size;
+	CARD16			*rates;
+	CARD8			*data8;
+	Bool			has_rate = RRClientKnowsRates (client);
+	RR10DataPtr		pData;
+	RRScreenSizePtr		pSize;
+    
+	pData = RR10GetData (pScreen, output);
+	if (!pData)
+	    return BadAlloc;
+	
+	rep.type = X_Reply;
+	rep.setOfRotations = output->crtc->rotations;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
+	rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+	rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+	rep.rotation = output->crtc->rotation;
+	rep.nSizes = pData->nsize;
+        rep.nrateEnts = pData->nrefresh + pData->nsize;
+	rep.sizeID = pData->size;
+	rep.rate = pData->refresh;
+
+	extraLen = (rep.nSizes * sizeof (xScreenSizes) +
+		    rep.nrateEnts * sizeof (CARD16));
+
+	if (extraLen)
+	{
+	    extra = (CARD8 *) xalloc (extraLen);
+	    if (!extra)
+	    {
+		xfree (pData);
+		return BadAlloc;
+	    }
+	}
+	else
+	    extra = NULL;
+
+	/*
+	 * First comes the size information
+	 */
+	size = (xScreenSizes *) extra;
+	rates = (CARD16 *) (size + rep.nSizes);
+	for (i = 0; i < pData->nsize; i++)
+	{
+	    pSize = &pData->sizes[i];
+	    size->widthInPixels = pSize->width;
+	    size->heightInPixels = pSize->height;
+	    size->widthInMillimeters = pSize->mmWidth;
+	    size->heightInMillimeters = pSize->mmHeight;
+	    if (client->swapped)
+	    {
+	        swaps (&size->widthInPixels, n);
+	        swaps (&size->heightInPixels, n);
+	        swaps (&size->widthInMillimeters, n);
+	        swaps (&size->heightInMillimeters, n);
+	    }
+	    size++;
+	    if (has_rate)
+	    {
+		*rates = pSize->nRates;
+		if (client->swapped)
+		{
+		    swaps (rates, n);
+		}
+		rates++;
+		for (j = 0; j < pSize->nRates; j++)
+		{
+		    *rates = pSize->pRates[j].rate;
+		    if (client->swapped)
+		    {
+			swaps (rates, n);
+		    }
+		    rates++;
+		}
+	    }
+	}
+        xfree (pData);
+	
+	data8 = (CARD8 *) rates;
+
+	if (data8 - (CARD8 *) extra != extraLen)
+	    FatalError ("RRGetScreenInfo bad extra len %ld != %ld\n",
+			(unsigned long)(data8 - (CARD8 *) extra), extraLen);
+	rep.length =  (extraLen + 3) >> 2;
+    }
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swaps(&rep.rotation, n);
+	swaps(&rep.nSizes, n);
+	swaps(&rep.sizeID, n);
+	swaps(&rep.rate, n);
+	swaps(&rep.nrateEnts, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenInfoReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    return (client->noClientException);
+}
+
+int
+ProcRRSetScreenConfig (ClientPtr client)
+{
+    REQUEST(xRRSetScreenConfigReq);
+    xRRSetScreenConfigReply rep;
+    DrawablePtr		    pDraw;
+    int			    n;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    TimeStamp		    configTime;
+    TimeStamp		    time;
+    int			    i;
+    Rotation		    rotation;
+    int			    rate;
+    Bool		    has_rate;
+    RROutputPtr		    output;
+    RRModePtr		    mode;
+    RR10DataPtr		    pData = NULL;
+    RRScreenSizePtr    	    pSize;
+    
+    UpdateCurrentTime ();
+
+    if (RRClientKnowsRates (client))
+    {
+	REQUEST_SIZE_MATCH (xRRSetScreenConfigReq);
+	has_rate = TRUE;
+    }
+    else
+    {
+	REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq);
+	has_rate = FALSE;
+    }
+    
+    SECURITY_VERIFY_DRAWABLE(pDraw, stuff->drawable, client,
+			     SecurityWriteAccess);
+
+    pScreen = pDraw->pScreen;
+
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    time = ClientTimeToServerTime(stuff->timestamp);
+    configTime = ClientTimeToServerTime(stuff->configTimestamp);
+    
+    if (!pScrPriv)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    if (!RRGetInfo (pScreen))
+	return BadAlloc;
+    
+    output = RRFirstOutput (pScreen);
+    if (!output)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    
+    /*
+     * if the client's config timestamp is not the same as the last config
+     * timestamp, then the config information isn't up-to-date and
+     * can't even be validated
+     */
+    if (CompareTimeStamps (configTime, pScrPriv->lastConfigTime) != 0)
+    {
+	rep.status = RRSetConfigInvalidConfigTime;
+	goto sendReply;
+    }
+    
+    pData = RR10GetData (pScreen, output);
+    if (!pData)
+	return BadAlloc;
+    
+    if (stuff->sizeID >= pData->nsize)
+    {
+	/*
+	 * Invalid size ID
+	 */
+	client->errorValue = stuff->sizeID;
+	xfree (pData);
+	return BadValue;
+    }
+    pSize = &pData->sizes[stuff->sizeID];
+    
+    /*
+     * Validate requested rotation
+     */
+    rotation = (Rotation) stuff->rotation;
+
+    /* test the rotation bits only! */
+    switch (rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_90:
+    case RR_Rotate_180:
+    case RR_Rotate_270:
+	break;
+    default:
+	/*
+	 * Invalid rotation
+	 */
+	client->errorValue = stuff->rotation;
+	xfree (pData);
+	return BadValue;
+    }
+
+    if ((~output->crtc->rotations) & rotation)
+    {
+	/*
+	 * requested rotation or reflection not supported by screen
+	 */
+	client->errorValue = stuff->rotation;
+	xfree (pData);
+	return BadMatch;
+    }
+
+    /*
+     * Validate requested refresh
+     */
+    if (has_rate)
+	rate = (int) stuff->rate;
+    else
+	rate = 0;
+
+    if (rate)
+    {
+	for (i = 0; i < pSize->nRates; i++)
+	{
+	    if (pSize->pRates[i].rate == rate)
+		break;
+	}
+	if (i == pSize->nRates)
+	{
+	    /*
+	     * Invalid rate
+	     */
+	    client->errorValue = rate;
+	    xfree (pData);
+	    return BadValue;
+	}
+	mode = pSize->pRates[i].mode;
+    }
+    else
+	mode = pSize->pRates[0].mode;
+    
+    /*
+     * Make sure the requested set-time is not older than
+     * the last set-time
+     */
+    if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0)
+    {
+	rep.status = RRSetConfigInvalidTime;
+	goto sendReply;
+    }
+
+    /*
+     * If the screen size is changing, adjust all of the other outputs
+     * to fit the new size, mirroring as much as possible
+     */
+    if (mode->mode.width != pScreen->width || 
+	mode->mode.height != pScreen->height)
+    {
+	int	c;
+
+	for (c = 0; c < pScrPriv->numCrtcs; c++)
+	{
+	    rep.status = RRCrtcSet (pScrPriv->crtcs[c], NULL, 0, 0, RR_Rotate_0,
+				    0, NULL);
+	    if (rep.status != Success)
+		goto sendReply;
+	}
+	if (!RRScreenSizeSet (pScreen, mode->mode.width, mode->mode.height,
+			      pScreen->mmWidth, pScreen->mmHeight))
+	{
+	    rep.status = RRSetConfigFailed;
+	    goto sendReply;
+	}
+    }
+    
+    rep.status = RRCrtcSet (output->crtc, mode, 0, 0, stuff->rotation,
+			    1, &output);
+    
+    /*
+     * XXX Configure other crtcs to mirror as much as possible
+     */
+    
+sendReply:
+    
+    if (pData)
+	xfree (pData);
+
+    rep.type = X_Reply;
+    /* rep.status has already been filled in */
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+
+    rep.newTimestamp = pScrPriv->lastSetTime.milliseconds;
+    rep.newConfigTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    rep.root = WindowTable[pDraw->pScreen->myNum]->drawable.id;
+
+    if (client->swapped) 
+    {
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.newTimestamp, n);
+	swapl(&rep.newConfigTimestamp, n);
+	swapl(&rep.root, n);
+    }
+    WriteToClient(client, sizeof(xRRSetScreenConfigReply), (char *)&rep);
+
+    return (client->noClientException);
+}
+

randr/rrsdispatch.c

@@ -0,0 +1,283 @@
+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+
+static int
+SProcRRQueryVersion (ClientPtr client)
+{
+    register int n;
+    REQUEST(xRRQueryVersionReq);
+
+    swaps(&stuff->length, n);
+    swapl(&stuff->majorVersion, n);
+    swapl(&stuff->minorVersion, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRGetScreenInfo (ClientPtr client)
+{
+    register int n;
+    REQUEST(xRRGetScreenInfoReq);
+
+    swaps(&stuff->length, n);
+    swapl(&stuff->window, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRSetScreenConfig (ClientPtr client)
+{
+    register int n;
+    REQUEST(xRRSetScreenConfigReq);
+
+    if (RRClientKnowsRates (client))
+    {
+	REQUEST_SIZE_MATCH (xRRSetScreenConfigReq);
+	swaps (&stuff->rate, n);
+    }
+    else
+    {
+	REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq);
+    }
+    
+    swaps(&stuff->length, n);
+    swapl(&stuff->drawable, n);
+    swapl(&stuff->timestamp, n);
+    swaps(&stuff->sizeID, n);
+    swaps(&stuff->rotation, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRSelectInput (ClientPtr client)
+{
+    register int n;
+    REQUEST(xRRSelectInputReq);
+
+    swaps(&stuff->length, n);
+    swapl(&stuff->window, n);
+    swaps(&stuff->enable, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRGetScreenSizeRange (ClientPtr client)
+{
+    REQUEST(xRRGetScreenSizeRangeReq);
+    
+    REQUEST_SIZE_MATCH(xRRGetScreenSizeRangeReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRSetScreenSize (ClientPtr client)
+{
+    REQUEST(xRRSetScreenSizeReq);
+    
+    REQUEST_SIZE_MATCH(xRRSetScreenSizeReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRGetScreenResources (ClientPtr client)
+{
+    REQUEST(xRRGetScreenResourcesReq);
+    
+    REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRGetOutputInfo (ClientPtr client)
+{
+    REQUEST(xRRGetOutputInfoReq);;
+    
+    REQUEST_SIZE_MATCH(xRRGetOutputInfoReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRListOutputProperties (ClientPtr client)
+{
+    REQUEST(xRRListOutputPropertiesReq);
+    
+    REQUEST_SIZE_MATCH(xRRListOutputPropertiesReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRChangeOutputProperty (ClientPtr client)
+{
+    REQUEST(xRRChangeOutputPropertyReq);
+    
+    REQUEST_SIZE_MATCH(xRRChangeOutputPropertyReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRDeleteOutputProperty (ClientPtr client)
+{
+    REQUEST(xRRDeleteOutputPropertyReq);
+    
+    REQUEST_SIZE_MATCH(xRRDeleteOutputPropertyReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRGetOutputProperty (ClientPtr client)
+{
+    REQUEST(xRRGetOutputPropertyReq);
+    
+    REQUEST_SIZE_MATCH(xRRGetOutputPropertyReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRCreateMode (ClientPtr client)
+{
+    REQUEST(xRRCreateModeReq);
+    
+    REQUEST_SIZE_MATCH(xRRCreateModeReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRDestroyMode (ClientPtr client)
+{
+    REQUEST(xRRDestroyModeReq);
+    
+    REQUEST_SIZE_MATCH(xRRDestroyModeReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRAddOutputMode (ClientPtr client)
+{
+    REQUEST(xRRAddOutputModeReq);
+    
+    REQUEST_SIZE_MATCH(xRRAddOutputModeReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRDeleteOutputMode (ClientPtr client)
+{
+    REQUEST(xRRDeleteOutputModeReq);
+    
+    REQUEST_SIZE_MATCH(xRRDeleteOutputModeReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRGetCrtcInfo (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcInfoReq);
+    
+    REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRSetCrtcConfig (ClientPtr client)
+{
+    REQUEST(xRRSetCrtcConfigReq);
+    
+    REQUEST_SIZE_MATCH(xRRSetCrtcConfigReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRGetCrtcGammaSize (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcGammaSizeReq);
+    
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRGetCrtcGamma (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcGammaReq);
+    
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+static int
+SProcRRSetCrtcGamma (ClientPtr client)
+{
+    REQUEST(xRRSetCrtcGammaReq);
+    
+    REQUEST_SIZE_MATCH(xRRSetCrtcGammaReq);
+    (void) stuff;
+    return BadImplementation; 
+}
+
+int (*SProcRandrVector[RRNumberRequests])(ClientPtr) = {
+    SProcRRQueryVersion,	/* 0 */
+/* we skip 1 to make old clients fail pretty immediately */
+    NULL,			/* 1 SProcRandrOldGetScreenInfo */
+/* V1.0 apps share the same set screen config request id */
+    SProcRRSetScreenConfig,	/* 2 */
+    NULL,			/* 3 SProcRandrOldScreenChangeSelectInput */
+/* 3 used to be ScreenChangeSelectInput; deprecated */
+    SProcRRSelectInput,		/* 4 */
+    SProcRRGetScreenInfo,    	/* 5 */
+/* V1.2 additions */
+    SProcRRGetScreenSizeRange,	/* 6 */
+    SProcRRSetScreenSize,	/* 7 */
+    SProcRRGetScreenResources,	/* 8 */
+    SProcRRGetOutputInfo,	/* 9 */
+    SProcRRListOutputProperties,/* 10 */
+    SProcRRChangeOutputProperty,/* 11 */
+    SProcRRDeleteOutputProperty,/* 12 */
+    SProcRRGetOutputProperty,	/* 13 */
+    SProcRRCreateMode,		/* 14 */
+    SProcRRDestroyMode,		/* 15 */
+    SProcRRAddOutputMode,	/* 16 */
+    SProcRRDeleteOutputMode,	/* 17 */
+    SProcRRGetCrtcInfo,		/* 18 */
+    SProcRRSetCrtcConfig,	/* 19 */
+    SProcRRGetCrtcGammaSize,	/* 20 */
+    SProcRRGetCrtcGamma,	/* 21 */
+    SProcRRSetCrtcGamma,	/* 22 */
+};
+

randr/rrxinerama.c

@@ -0,0 +1,431 @@
+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+/*
+ * This Xinerama implementation comes from the SiS driver which has
+ * the following notice:
+ */
+/* 
+ * SiS driver main code
+ *
+ * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1) Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2) Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3) The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author: Thomas Winischhofer <thomas@winischhofer.net>
+ *	- driver entirely rewritten since 2001, only basic structure taken from
+ *	  old code (except sis_dri.c, sis_shadow.c, sis_accel.c and parts of
+ *	  sis_dga.c; these were mostly taken over; sis_dri.c was changed for
+ *	  new versions of the DRI layer)
+ *
+ * This notice covers the entire driver code unless indicated otherwise.
+ *
+ * Formerly based on code which was
+ * 	     Copyright (C) 1998, 1999 by Alan Hourihane, Wigan, England.
+ * 	     Written by:
+ *           Alan Hourihane <alanh@fairlite.demon.co.uk>,
+ *           Mike Chapman <mike@paranoia.com>,
+ *           Juanjo Santamarta <santamarta@ctv.es>,
+ *           Mitani Hiroshi <hmitani@drl.mei.co.jp>,
+ *           David Thomas <davtom@dream.org.uk>.
+ */
+
+#include "randrstr.h"
+#include "swaprep.h"
+#include <X11/extensions/panoramiXproto.h>
+
+#define RR_XINERAMA_MAJOR_VERSION   1
+#define RR_XINERAMA_MINOR_VERSION   1
+
+/* Xinerama is not multi-screen capable; just report about screen 0 */
+#define RR_XINERAMA_SCREEN  0
+
+static int ProcRRXineramaQueryVersion(ClientPtr client);
+static int ProcRRXineramaGetState(ClientPtr client);
+static int ProcRRXineramaGetScreenCount(ClientPtr client);
+static int ProcRRXineramaGetScreenSize(ClientPtr client);
+static int ProcRRXineramaIsActive(ClientPtr client);
+static int ProcRRXineramaQueryScreens(ClientPtr client);
+static int SProcRRXineramaDispatch(ClientPtr client);
+
+/* Proc */
+
+int
+ProcRRXineramaQueryVersion(ClientPtr client)
+{
+    xPanoramiXQueryVersionReply	  rep;
+    register int		  n;
+
+    REQUEST_SIZE_MATCH(xPanoramiXQueryVersionReq);
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.majorVersion = RR_XINERAMA_MAJOR_VERSION;
+    rep.minorVersion = RR_XINERAMA_MINOR_VERSION;
+    if(client->swapped) {
+        swaps(&rep.sequenceNumber, n);
+        swapl(&rep.length, n);
+        swaps(&rep.majorVersion, n);
+        swaps(&rep.minorVersion, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXQueryVersionReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+int
+ProcRRXineramaGetState(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetStateReq);
+    WindowPtr			pWin;
+    xPanoramiXGetStateReply	rep;
+    register int		n;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    Bool			active = FALSE;
+
+    REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
+    pWin = LookupWindow(stuff->window, client);
+    if(!pWin) return BadWindow;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    if (pScrPriv)
+    {
+	/* XXX do we need more than this? */
+	active = TRUE;
+    }
+
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.state = active;
+    if(client->swapped) {
+       swaps (&rep.sequenceNumber, n);
+       swapl (&rep.length, n);
+       swaps (&rep.state, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXGetStateReply), (char *)&rep);
+    return client->noClientException;
+}
+
+static Bool
+RRXineramaScreenActive (ScreenPtr pScreen)
+{
+    return rrGetScrPriv(pScreen) != NULL;
+}
+
+static Bool
+RRXineramaCrtcActive (RRCrtcPtr crtc)
+{
+    return crtc->mode != NULL && crtc->numOutputs > 0;
+}
+
+static int
+RRXineramaScreenCount (ScreenPtr pScreen)
+{
+    int	i, n;
+    
+    n = 0;
+    if (RRXineramaScreenActive (pScreen))
+    {
+	rrScrPriv(pScreen);
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	    if (RRXineramaCrtcActive (pScrPriv->crtcs[i]))
+		n++;
+    }
+    return n;
+}
+
+int
+ProcRRXineramaGetScreenCount(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenCountReq);
+    WindowPtr				pWin;
+    xPanoramiXGetScreenCountReply	rep;
+    register int			n;
+
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
+    pWin = LookupWindow(stuff->window, client);
+    if(!pWin) return BadWindow;
+    
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.ScreenCount = RRXineramaScreenCount (pWin->drawable.pScreen);
+    if(client->swapped) {
+       swaps(&rep.sequenceNumber, n);
+       swapl(&rep.length, n);
+       swaps(&rep.ScreenCount, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply), (char *)&rep);
+    return client->noClientException;
+}
+
+int
+ProcRRXineramaGetScreenSize(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenSizeReq);
+    WindowPtr				pWin, pRoot;
+    ScreenPtr				pScreen;
+    xPanoramiXGetScreenSizeReply	rep;
+    register int			n;
+
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+    pWin = LookupWindow (stuff->window, client);
+    if(!pWin)  return BadWindow;
+
+    pScreen = pWin->drawable.pScreen;
+    pRoot = WindowTable[pScreen->myNum];
+    
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.width  = pRoot->drawable.width;
+    rep.height = pRoot->drawable.height;
+    if(client->swapped) {
+       swaps(&rep.sequenceNumber, n);
+       swapl(&rep.length, n);
+       swaps(&rep.width, n);
+       swaps(&rep.height, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXGetScreenSizeReply), (char *)&rep);
+    return client->noClientException;
+}
+
+int
+ProcRRXineramaIsActive(ClientPtr client)
+{
+    xXineramaIsActiveReply	rep;
+
+    REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
+	
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.state = RRXineramaScreenActive (screenInfo.screens[RR_XINERAMA_SCREEN]);
+    if(client->swapped) {
+	register int n;
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.state, n);
+    }
+    WriteToClient(client, sizeof(xXineramaIsActiveReply), (char *) &rep);
+    return client->noClientException;
+}
+
+int
+ProcRRXineramaQueryScreens(ClientPtr client)
+{
+    xXineramaQueryScreensReply	rep;
+    ScreenPtr	pScreen = screenInfo.screens[RR_XINERAMA_SCREEN];
+
+    REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
+
+    if (RRXineramaScreenActive (pScreen))
+    {
+	rrScrPriv(pScreen);
+	if (pScrPriv->numCrtcs == 0 || pScrPriv->numOutputs == 0)
+	    RRGetInfo (pScreen);
+    }
+    
+    rep.type = X_Reply;
+    rep.sequenceNumber = client->sequence;
+    rep.number = RRXineramaScreenCount (pScreen);
+    rep.length = rep.number * sz_XineramaScreenInfo >> 2;
+    if(client->swapped) {
+	register int n;
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.number, n);
+    }
+    WriteToClient(client, sizeof(xXineramaQueryScreensReply), (char *)&rep);
+
+    if(rep.number) {
+	rrScrPriv(pScreen);
+	xXineramaScreenInfo scratch;
+	int i;
+
+	for(i = 0; i < pScrPriv->numCrtcs; i++) {
+	    RRCrtcPtr	crtc = pScrPriv->crtcs[i];
+	    if (RRXineramaCrtcActive (crtc))
+	    {
+		scratch.x_org  = crtc->x;
+		scratch.y_org  = crtc->y;
+		scratch.width  = crtc->mode->mode.width;
+		scratch.height = crtc->mode->mode.height;
+		if(client->swapped) {
+		    register int n;
+		    swaps(&scratch.x_org, n);
+		    swaps(&scratch.y_org, n);
+		    swaps(&scratch.width, n);
+		    swaps(&scratch.height, n);
+		}
+		WriteToClient(client, sz_XineramaScreenInfo, (char *)&scratch);
+	    }
+	}
+    }
+
+    return client->noClientException;
+}
+
+static int
+ProcRRXineramaDispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    switch (stuff->data) {
+	case X_PanoramiXQueryVersion:
+	     return ProcRRXineramaQueryVersion(client);
+	case X_PanoramiXGetState:
+	     return ProcRRXineramaGetState(client);
+	case X_PanoramiXGetScreenCount:
+	     return ProcRRXineramaGetScreenCount(client);
+	case X_PanoramiXGetScreenSize:
+	     return ProcRRXineramaGetScreenSize(client);
+	case X_XineramaIsActive:
+	     return ProcRRXineramaIsActive(client);
+	case X_XineramaQueryScreens:
+	     return ProcRRXineramaQueryScreens(client);
+    }
+    return BadRequest;
+}
+
+/* SProc */
+
+static int
+SProcRRXineramaQueryVersion (ClientPtr client)
+{
+    REQUEST(xPanoramiXQueryVersionReq);
+    register int n;
+    swaps(&stuff->length,n);
+    REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq);
+    return ProcRRXineramaQueryVersion(client);
+}
+
+static int
+SProcRRXineramaGetState(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetStateReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
+    return ProcRRXineramaGetState(client);
+}
+
+static int
+SProcRRXineramaGetScreenCount(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenCountReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
+    return ProcRRXineramaGetScreenCount(client);
+}
+
+static int
+SProcRRXineramaGetScreenSize(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenSizeReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+    return ProcRRXineramaGetScreenSize(client);
+}
+
+static int
+SProcRRXineramaIsActive(ClientPtr client)
+{
+    REQUEST(xXineramaIsActiveReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
+    return ProcRRXineramaIsActive(client);
+}
+
+static int
+SProcRRXineramaQueryScreens(ClientPtr client)
+{
+    REQUEST(xXineramaQueryScreensReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
+    return ProcRRXineramaQueryScreens(client);
+}
+
+int
+SProcRRXineramaDispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    switch (stuff->data) {
+	case X_PanoramiXQueryVersion:
+	     return SProcRRXineramaQueryVersion(client);
+	case X_PanoramiXGetState:
+	     return SProcRRXineramaGetState(client);
+	case X_PanoramiXGetScreenCount:
+	     return SProcRRXineramaGetScreenCount(client);
+	case X_PanoramiXGetScreenSize:
+	     return SProcRRXineramaGetScreenSize(client);
+	case X_XineramaIsActive:
+	     return SProcRRXineramaIsActive(client);
+	case X_XineramaQueryScreens:
+	     return SProcRRXineramaQueryScreens(client);
+    }
+    return BadRequest;
+}
+
+static void
+RRXineramaResetProc(ExtensionEntry* extEntry)
+{
+}
+
+void
+RRXineramaExtensionInit(void)
+{
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension)
+	return;
+#endif
+
+    (void) AddExtension(PANORAMIX_PROTOCOL_NAME, 0,0,
+			ProcRRXineramaDispatch,
+			SProcRRXineramaDispatch,
+			RRXineramaResetProc,
+			StandardMinorOpcode);
+}