mesa pixman xserver git update 24 sep 2012

xserver: 7722bcbab2507d263c7685b15cccbfdd52fc3a24
pixman: c4b69e706e63e01fbc70e0026c2079007c89de14
mesa: c432c86e6aeebeb46c028af940224c59faa16e88

18 files changed, 103 insertions, 131 deletions

diff --git a/xorg-server/hw/dmx/doc/dmx.xml b/xorg-server/hw/dmx/doc/dmx.xml
index 793aacea0..6d7df4133 100644
--- a/xorg-server/hw/dmx/doc/dmx.xml
+++ b/xorg-server/hw/dmx/doc/dmx.xml
@@ -1215,14 +1215,6 @@ area.  Common functions to wrap are CloseScreen() and SaveScreen().
 </para></listitem></varlistentry>
 
 <varlistentry>
-<term>miInitializeBackingStore()</term>
-<listitem>
-<para>This MI function initializes the
-screen's backing storage functions, which are used to save areas of
-windows that are currently covered by other windows.
-</para></listitem></varlistentry>
-
-<varlistentry>
 <term>miDCInitialize()</term>
 <listitem>
 <para>This MI function initializes the MI cursor
@@ -1320,8 +1312,8 @@ initialize each of its screens.
 <para>Xnest's ScreenInit() function is called
 xnestOpenScreen().  This function initializes its screen's depth and
 visual information, and then calls miScreenInit() to set up the default
-screen functions.  It then calls miInitializeBackingStore() and
-miDCInitialize() to initialize backing store and the software cursor.
+screen functions.  It then calls miDCInitialize() to initialize the
+software cursor.
 Finally, it replaces many of the screen functions with its own
 functions that repackage and send the requests to the real X server to
 which Xnest is attached.
diff --git a/xorg-server/hw/kdrive/src/kdrive.h b/xorg-server/hw/kdrive/src/kdrive.h
index b37041f9b..4829e1a1b 100644
--- a/xorg-server/hw/kdrive/src/kdrive.h
+++ b/xorg-server/hw/kdrive/src/kdrive.h
@@ -32,7 +32,6 @@
 #include "pixmapstr.h"
 #include "windowstr.h"
 #include "servermd.h"
-#include "mibstore.h"
 #include "colormapst.h"
 #include "gcstruct.h"
 #include "input.h"
diff --git a/xorg-server/hw/vfb/InitInput.c b/xorg-server/hw/vfb/InitInput.c
index 9d0fd9866..52cde72f0 100644
--- a/xorg-server/hw/vfb/InitInput.c
+++ b/xorg-server/hw/vfb/InitInput.c
@@ -36,7 +36,6 @@ from The Open Group.
 #include "scrnintstr.h"
 #include "inputstr.h"
 #include <X11/Xos.h>
-#include "mibstore.h"
 #include "mipointer.h"
 #include "xkbsrv.h"
 #include <X11/keysym.h>
diff --git a/xorg-server/hw/vfb/InitOutput.c b/xorg-server/hw/vfb/InitOutput.c
index 955624f3d..07ea8ea93 100644
--- a/xorg-server/hw/vfb/InitOutput.c
+++ b/xorg-server/hw/vfb/InitOutput.c
@@ -41,7 +41,6 @@ from The Open Group.
 #include "servermd.h"
 #define PSZ 8
 #include "fb.h"
-#include "mibstore.h"
 #include "colormapst.h"
 #include "gcstruct.h"
 #include "input.h"
diff --git a/xorg-server/hw/xfree86/common/xf86.h b/xorg-server/hw/xfree86/common/xf86.h
index bb2903da0..179b87cf5 100644
--- a/xorg-server/hw/xfree86/common/xf86.h
+++ b/xorg-server/hw/xfree86/common/xf86.h
@@ -55,6 +55,7 @@
 extern _X_EXPORT int xf86DoConfigure;
 extern _X_EXPORT int xf86DoShowOptions;
 extern _X_EXPORT Bool xf86DoConfigurePass1;
+extern _X_EXPORT Bool xorgHWAccess;
 
 extern _X_EXPORT DevPrivateKeyRec xf86ScreenKeyRec;
 
diff --git a/xorg-server/hw/xfree86/common/xf86Bus.c b/xorg-server/hw/xfree86/common/xf86Bus.c
index 4ffbf7e46..e1015379b 100644
--- a/xorg-server/hw/xfree86/common/xf86Bus.c
+++ b/xorg-server/hw/xfree86/common/xf86Bus.c
@@ -117,27 +117,12 @@ xf86BusConfig(void)
     screenLayoutPtr layout;
     int i, j;
 
-    /* Enable full I/O access */
-    if (xorgHWAccess)
-        xorgHWAccess = xf86EnableIO();
-
     /*
      * Now call each of the Probe functions.  Each successful probe will
      * result in an extra entry added to the xf86Screens[] list for each
      * instance of the hardware found.
      */
     for (i = 0; i < xf86NumDrivers; i++) {
-        xorgHWFlags flags;
-
-        if (!xorgHWAccess) {
-            if (!xf86DriverList[i]->driverFunc
-                || !xf86DriverList[i]->driverFunc(NULL,
-                                                  GET_REQUIRED_HW_INTERFACES,
-                                                  &flags)
-                || NEED_IO_ENABLED(flags))
-                continue;
-        }
-
         xf86CallDriverProbe(xf86DriverList[i], FALSE);
     }
 
diff --git a/xorg-server/hw/xfree86/common/xf86Configure.c b/xorg-server/hw/xfree86/common/xf86Configure.c
index 6f69117d3..6c5e35919 100644
--- a/xorg-server/hw/xfree86/common/xf86Configure.c
+++ b/xorg-server/hw/xfree86/common/xf86Configure.c
@@ -545,41 +545,16 @@ DoConfigure(void)
 
     free(vlist);
 
-    for (i = 0; i < xf86NumDrivers; i++) {
-        xorgHWFlags flags;
-
-        if (!xf86DriverList[i]->driverFunc
-            || !xf86DriverList[i]->driverFunc(NULL,
-                                              GET_REQUIRED_HW_INTERFACES,
-                                              &flags)
-            || NEED_IO_ENABLED(flags)) {
-            xorgHWAccess = TRUE;
-            break;
-        }
-    }
-    /* Enable full I/O access */
-    if (xorgHWAccess) {
-        if (!xf86EnableIO())
-            /* oops, we have failed */
-            xorgHWAccess = FALSE;
-    }
+    xorgHWAccess = xf86EnableIO();
 
     /* Create XF86Config file structure */
     xf86config = calloc(1, sizeof(XF86ConfigRec));
 
     /* Call all of the probe functions, reporting the results. */
     for (CurrentDriver = 0; CurrentDriver < xf86NumDrivers; CurrentDriver++) {
-        xorgHWFlags flags;
         Bool found_screen;
         DriverRec *const drv = xf86DriverList[CurrentDriver];
 
-        if (!xorgHWAccess) {
-            if (!drv->driverFunc
-                || !drv->driverFunc(NULL, GET_REQUIRED_HW_INTERFACES, &flags)
-                || NEED_IO_ENABLED(flags))
-                continue;
-        }
-
         found_screen = xf86CallDriverProbe(drv, TRUE);
         if (found_screen && drv->Identify) {
             (*drv->Identify) (0);
diff --git a/xorg-server/hw/xfree86/common/xf86Init.c b/xorg-server/hw/xfree86/common/xf86Init.c
index e4a6b8613..1695dbf74 100644
--- a/xorg-server/hw/xfree86/common/xf86Init.c
+++ b/xorg-server/hw/xfree86/common/xf86Init.c
@@ -402,6 +402,7 @@ InitOutput(ScreenInfo * pScreenInfo, int argc, char **argv)
     Bool pix24Fail = FALSE;
     Bool autoconfig = FALSE;
     Bool sigio_blocked = FALSE;
+    Bool want_hw_access = FALSE;
     GDevPtr configured_device;
 
     xf86Initialising = TRUE;
@@ -530,23 +531,21 @@ InitOutput(ScreenInfo * pScreenInfo, int argc, char **argv)
          */
 
         for (i = 0; i < xf86NumDrivers; i++) {
+            xorgHWFlags flags = HW_IO;
+
             if (xf86DriverList[i]->Identify != NULL)
                 xf86DriverList[i]->Identify(0);
 
-            if (!xorgHWAccess || !xorgHWOpenConsole) {
-                xorgHWFlags flags;
+            if (xf86DriverList[i]->driverFunc)
+                xf86DriverList[i]->driverFunc(NULL,
+                                              GET_REQUIRED_HW_INTERFACES,
+                                              &flags);
 
-                if (!xf86DriverList[i]->driverFunc
-                    || !xf86DriverList[i]->driverFunc(NULL,
-                                                      GET_REQUIRED_HW_INTERFACES,
-                                                      &flags))
-                    flags = HW_IO;
+            if (NEED_IO_ENABLED(flags))
+                want_hw_access = TRUE;
 
-                if (NEED_IO_ENABLED(flags))
-                    xorgHWAccess = TRUE;
-                if (!(flags & HW_SKIP_CONSOLE))
-                    xorgHWOpenConsole = TRUE;
-            }
+            if (!(flags & HW_SKIP_CONSOLE))
+                xorgHWOpenConsole = TRUE;
         }
 
         if (xorgHWOpenConsole)
@@ -554,6 +553,10 @@ InitOutput(ScreenInfo * pScreenInfo, int argc, char **argv)
         else
             xf86Info.dontVTSwitch = TRUE;
 
+	/* Enable full I/O access */
+	if (want_hw_access)
+	    xorgHWAccess = xf86EnableIO();
+
         if (xf86BusConfig() == FALSE)
             return;
 
diff --git a/xorg-server/hw/xfree86/common/xf86Priv.h b/xorg-server/hw/xfree86/common/xf86Priv.h
index c9f2e7eb8..58cfe0a1a 100644
--- a/xorg-server/hw/xfree86/common/xf86Priv.h
+++ b/xorg-server/hw/xfree86/common/xf86Priv.h
@@ -91,7 +91,6 @@ extern _X_EXPORT int xf86NumScreens;
 extern _X_EXPORT const char *xf86VisualNames[];
 extern _X_EXPORT int xf86Verbose;       /* verbosity level */
 extern _X_EXPORT int xf86LogVerbose;    /* log file verbosity level */
-extern _X_EXPORT Bool xorgHWAccess;
 
 extern _X_EXPORT RootWinPropPtr *xf86RegisteredPropertiesTable;
 
diff --git a/xorg-server/hw/xfree86/doc/ddxDesign.xml b/xorg-server/hw/xfree86/doc/ddxDesign.xml
index 4c2ca47da..7c2c20ff3 100644
--- a/xorg-server/hw/xfree86/doc/ddxDesign.xml
+++ b/xorg-server/hw/xfree86/doc/ddxDesign.xml
@@ -3561,13 +3561,6 @@ The following include files are typically required by video drivers:
 	  </para>
 
 	  <para>
-  All drivers implementing backing store need this:
-	    <literallayout><filename>
-    "mibstore.h"
-	      </filename></literallayout>
-	  </para>
-
-	  <para>
   All drivers using the mi colourmap code need this:
 	    <literallayout><filename>
     "micmap.h"
@@ -8092,13 +8085,6 @@ visible symbols.
       </para>
 
       <para>
-  All drivers implementing backing store need this:
-	<literallayout><filename>
-    "mibstore.h"
-	  </filename></literallayout>
-      </para>
-
-      <para>
   All drivers using the mi colourmap code need this:
 	<literallayout><filename>
     "micmap.h"
@@ -9103,12 +9089,6 @@ ZZZScreenInit(ScreenPtr pScreen, int argc, char **argv)
         return FALSE;
 
     /*
-     * If backing store is to be supported (as is usually the case),
-     * initialise it.
-     */
-    miInitializeBackingStore(pScreen);
-
-    /*
      * Set initial black &amp; white colourmap indices.
      */
     xf86SetBlackWhitePixels(pScreen);
diff --git a/xorg-server/hw/xfree86/os-support/linux/lnx_video.c b/xorg-server/hw/xfree86/os-support/linux/lnx_video.c
index 3526a21d4..d9a5da184 100644
--- a/xorg-server/hw/xfree86/os-support/linux/lnx_video.c
+++ b/xorg-server/hw/xfree86/os-support/linux/lnx_video.c
@@ -479,45 +479,39 @@ volatile unsigned char *ioBase = NULL;
 #define __NR_pciconfig_iobase	200
 #endif
 
-#endif
-
-Bool
-xf86EnableIO(void)
+static Bool
+hwEnableIO(void)
 {
-#if defined(__powerpc__)
     int fd;
-    unsigned int ioBase_phys;
-#endif
-
-    if (ExtendedEnabled)
-        return TRUE;
-
-#if defined(__powerpc__)
-    ioBase_phys = syscall(__NR_pciconfig_iobase, 2, 0, 0);
+    unsigned int ioBase_phys = syscall(__NR_pciconfig_iobase, 2, 0, 0);
 
     fd = open("/dev/mem", O_RDWR);
     if (ioBase == NULL) {
         ioBase = (volatile unsigned char *) mmap(0, 0x20000,
                                                  PROT_READ | PROT_WRITE,
                                                  MAP_SHARED, fd, ioBase_phys);
-/* Should this be fatal or just a warning? */
-#if 0
-        if (ioBase == MAP_FAILED) {
-            xf86Msg(X_WARNING,
-                    "xf86EnableIOPorts: Failed to map iobase (%s)\n",
-                    strerror(errno));
-            return FALSE;
-        }
-#endif
     }
     close(fd);
-#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__arm__) && !defined(__m32r__) && !defined(__nds32__)
+
+    return ioBase != MAP_FAILED;
+}
+
+static void
+hwDisableIO(void)
+{
+    munmap(ioBase, 0x20000);
+    ioBase = NULL;
+}
+
+#elif defined(__i386__) || defined(__x86_64__) || defined(__ia64__) || \
+      defined(__alpha__)
+
+static Bool
+hwEnableIO(void)
+{
     if (ioperm(0, 1024, 1) || iopl(3)) {
-        if (errno == ENODEV)
-            ErrorF("xf86EnableIOPorts: no I/O ports found\n");
-        else
-            FatalError("xf86EnableIOPorts: failed to set IOPL"
-                       " for I/O (%s)\n", strerror(errno));
+        ErrorF("xf86EnableIOPorts: failed to set IOPL for I/O (%s)\n",
+               strerror(errno));
         return FALSE;
     }
 #if !defined(__alpha__)
@@ -526,27 +520,44 @@ xf86EnableIO(void)
     ioperm(0x40, 4, 0);         /* trap access to the timer chip */
     ioperm(0x60, 4, 0);         /* trap access to the keyboard controller */
 #endif
-#endif
-    ExtendedEnabled = TRUE;
 
     return TRUE;
 }
 
+static void
+hwDisableIO(void)
+{
+    iopl(0);
+    ioperm(0, 1024, 0);
+}
+
+#else /* non-IO architectures */
+
+#define hwEnableIO() TRUE
+#define hwDisableIO() do {} while (0)
+
+#endif
+
+Bool
+xf86EnableIO(void)
+{
+    if (ExtendedEnabled)
+        return TRUE;
+
+    ExtendedEnabled = hwEnableIO();
+
+    return ExtendedEnabled;
+}
+
 void
 xf86DisableIO(void)
 {
     if (!ExtendedEnabled)
         return;
-#if defined(__powerpc__)
-    munmap(ioBase, 0x20000);
-    ioBase = NULL;
-#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__arm__) && !defined(__s390__) && !defined(__m32r__) && !defined(__nds32__)
-    iopl(0);
-    ioperm(0, 1024, 0);
-#endif
-    ExtendedEnabled = FALSE;
 
-    return;
+    hwDisableIO();
+
+    ExtendedEnabled = FALSE;
 }
 
 #if defined (__alpha__)
diff --git a/xorg-server/hw/xfree86/sdksyms.sh b/xorg-server/hw/xfree86/sdksyms.sh
index 07372ad1c..fa1989379 100644
--- a/xorg-server/hw/xfree86/sdksyms.sh
+++ b/xorg-server/hw/xfree86/sdksyms.sh
@@ -207,7 +207,6 @@ cat > sdksyms.c << EOF
 #include "miline.h"
 #include "mipointer.h"
 #include "mi.h"
-#include "mibstore.h"
 #include "migc.h"
 #include "mipointrst.h"
 #include "mizerarc.h"
diff --git a/xorg-server/hw/xnest/Screen.c b/xorg-server/hw/xnest/Screen.c
index 7b3c1b361..58b5a1199 100644
--- a/xorg-server/hw/xnest/Screen.c
+++ b/xorg-server/hw/xnest/Screen.c
@@ -21,7 +21,6 @@ is" without express or implied warranty.
 #include "scrnintstr.h"
 #include "dix.h"
 #include "mi.h"
-#include "mibstore.h"
 #include "micmap.h"
 #include "colormapst.h"
 #include "resource.h"
diff --git a/xorg-server/hw/xnest/Visual.c b/xorg-server/hw/xnest/Visual.c
index 63198ba4f..11673c44a 100644
--- a/xorg-server/hw/xnest/Visual.c
+++ b/xorg-server/hw/xnest/Visual.c
@@ -21,7 +21,6 @@ is" without express or implied warranty.
 #include "scrnintstr.h"
 #include "dix.h"
 #include "mi.h"
-#include "mibstore.h"
 #include "Xnest.h"
 
 #include "Display.h"
diff --git a/xorg-server/hw/xquartz/darwin.c b/xorg-server/hw/xquartz/darwin.c
index d26f18a12..bf511801d 100644
--- a/xorg-server/hw/xquartz/darwin.c
+++ b/xorg-server/hw/xquartz/darwin.c
@@ -38,7 +38,6 @@
 #include "servermd.h"
 #include "inputstr.h"
 #include "scrnintstr.h"
-#include "mibstore.h"           // mi backing store implementation
 #include "mipointer.h"          // mi software cursor
 #include "micmap.h"             // mi colormap code
 #include "fb.h"                 // fb framebuffer code
diff --git a/xorg-server/hw/xquartz/xpr/dri.c b/xorg-server/hw/xquartz/xpr/dri.c
index 03af163f7..adba69cca 100644
--- a/xorg-server/hw/xquartz/xpr/dri.c
+++ b/xorg-server/hw/xquartz/xpr/dri.c
@@ -64,6 +64,7 @@
 #include "mi.h"
 #include "mipointer.h"
 #include "rootless.h"
+#include "rootlessCommon.h"
 #include "x-hash.h"
 #include "x-hook.h"
 #include "driWrap.h"
@@ -380,6 +381,11 @@ DRICreateSurface(ScreenPtr pScreen, Drawable id,
     DRIDrawablePrivPtr pDRIDrawablePriv;
 
     if (pDrawable->type == DRAWABLE_WINDOW) {
+        /* <rdar://problem/12338921>
+         * http://bugs.winehq.org/show_bug.cgi?id=31751
+         */
+        RootlessStopDrawing((WindowPtr)pDrawable, FALSE);
+
         pDRIDrawablePriv = CreateSurfaceForWindow(pScreen,
                                                   (WindowPtr)pDrawable, &wid);
 
diff --git a/xorg-server/hw/xquartz/xpr/xprFrame.c b/xorg-server/hw/xquartz/xpr/xprFrame.c
index 01f1def20..aad375b52 100644
--- a/xorg-server/hw/xquartz/xpr/xprFrame.c
+++ b/xorg-server/hw/xquartz/xpr/xprFrame.c
@@ -49,6 +49,10 @@
 #include <pthread.h>
 #endif
 
+#ifdef DEBUG_XP_LOCK_WINDOW
+#include <execinfo.h>
+#endif
+
 #define DEFINE_ATOM_HELPER(func, atom_name)                      \
     static Atom func(void) {                                       \
         static int generation;                                      \
@@ -376,6 +380,18 @@ xprStartDrawing(RootlessFrameID wid, char **pixelData, int *bytesPerRow)
     unsigned int rowbytes[2];
     xp_error err;
 
+#ifdef DEBUG_XP_LOCK_WINDOW
+    void* callstack[128];
+    int i, frames = backtrace(callstack, 128);
+    char** strs = backtrace_symbols(callstack, frames);
+
+    ErrorF("=== LOCK %d ===\n", (int)x_cvt_vptr_to_uint(wid));
+    for (i = 0; i < frames; ++i) {
+        ErrorF("    %s\n", strs[i]);
+    }
+    free(strs);
+#endif
+
     err = xp_lock_window(x_cvt_vptr_to_uint(
                              wid), NULL, NULL, data, rowbytes, NULL);
     if (err != Success)
@@ -395,6 +411,18 @@ xprStopDrawing(RootlessFrameID wid, Bool flush)
 {
     xp_error err;
 
+#ifdef DEBUG_XP_LOCK_WINDOW
+    void* callstack[128];
+    int i, frames = backtrace(callstack, 128);
+    char** strs = backtrace_symbols(callstack, frames);
+
+    ErrorF("=== UNLOCK %d ===\n", (int)x_cvt_vptr_to_uint(wid));
+    for (i = 0; i < frames; ++i) {
+        ErrorF("    %s\n", strs[i]);
+    }
+    free(strs);
+#endif
+
     err = xp_unlock_window(x_cvt_vptr_to_uint(wid), flush);
     /* This should be a FatalError, but we started tripping over it.  Make it a
      * FatalError after http://xquartz.macosforge.org/trac/ticket/482 is fixed.
diff --git a/xorg-server/hw/xwin/win.h b/xorg-server/hw/xwin/win.h
index 89e2a38c9..08d0d3f92 100644
--- a/xorg-server/hw/xwin/win.h
+++ b/xorg-server/hw/xwin/win.h
@@ -169,7 +169,6 @@
 #include "micmap.h"
 #include "mifillarc.h"
 #include "mifpoly.h"
-#include "mibstore.h"
 #include "input.h"
 #include "mipointer.h"
 #include "X11/keysym.h"