Rootless: Removed safeAlphaXXXX() in favor of using fb/pixman

(cherry picked from commit f03202a)

configure.ac

@@ -1947,7 +1947,6 @@ miext/damage/Makefile
 miext/shadow/Makefile
 miext/cw/Makefile
 miext/rootless/Makefile
-miext/rootless/safeAlpha/Makefile
 miext/rootless/accel/Makefile
 os/Makefile
 randr/Makefile

hw/xquartz/xpr/Makefile.am

@@ -4,8 +4,7 @@ AM_CFLAGS =  $(XSERVER_CFLAGS) $(DIX_CFLAGS)
 AM_CPPFLAGS = \
 	-I$(srcdir) -I$(srcdir)/.. \
 	-I$(top_srcdir)/miext \
-	-I$(top_srcdir)/miext/rootless \
-	-I$(top_srcdir)/miext/rootless/safeAlpha
+	-I$(top_srcdir)/miext/rootless
 
 Xquartz_SOURCES = \
 	appledri.c \
@@ -40,7 +39,6 @@ Xquartz_LDADD = \
 	$(top_builddir)/record/librecord.la \
 	$(top_builddir)/XTrap/libxtrap.la \
 	$(top_builddir)/miext/rootless/librootless.la \
-	$(top_builddir)/miext/rootless/safeAlpha/libsafeAlpha.la \
 	$(top_builddir)/miext/rootless/accel/librlAccel.la \
 	$(DARWIN_LIBS) $(XSERVER_LIBS) $(XSERVER_SYS_LIBS) -lXplugin
 

hw/xquartz/xpr/xprScreen.c

@@ -37,7 +37,6 @@
 #include "pseudoramiX.h"
 #include "darwin.h"
 #include "rootless.h"
-#include "safeAlpha/safeAlpha.h"
 #include "dri.h"
 #include "globals.h"
 #include "Xplugin.h"
@@ -341,17 +340,6 @@ xprAddScreen(int index, ScreenPtr pScreen)
 static Bool
 xprSetupScreen(int index, ScreenPtr pScreen)
 {
-    // Add alpha protecting replacements for fb screen functions
-    pScreen->PaintWindowBackground = SafeAlphaPaintWindow;
-    pScreen->PaintWindowBorder = SafeAlphaPaintWindow;
-
-#ifdef RENDER
-    {
-        PictureScreenPtr ps = GetPictureScreen(pScreen);
-        ps->Composite = SafeAlphaComposite;
-    }
-#endif /* RENDER */
-
     // Initialize accelerated rootless drawing
     // Note that this must be done before DamageSetup().
     RootlessAccelInit(pScreen);

miext/rootless/Makefile.am

@@ -1,7 +1,7 @@
 AM_CFLAGS = $(DIX_CFLAGS) $(XSERVER_CFLAGS)
 AM_CPPFLAGS = -I$(top_srcdir)/hw/xfree86/os-support
 
-SUBDIRS = safeAlpha accel
+SUBDIRS = accel
 
 noinst_LTLIBRARIES = librootless.la
 librootless_la_SOURCES = \