From e1164698009530ef2d3423b313cac9ba1b3615cd Mon Sep 17 00:00:00 2001
From: Zhao Halley <halley.zhao@intel.com>
Date: Thu, 11 Apr 2013 17:26:30 +0800
Subject: [PATCH] Add XDamage notification after vaPutSurface

Webkit requires it to trigger repaint
---
 configure.ac       |  1 +
 va/Makefile.am     |  2 +-
 va/x11/Makefile.am |  1 +
 va/x11/va_x11.c    | 26 ++++++++++++++++++++++++--
 4 files changed, 27 insertions(+), 3 deletions(-)
 mode change 100644 => 100755 va/x11/va_x11.c

diff --git a/configure.ac b/configure.ac
index b296d4c..2c45af0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -232,6 +232,7 @@ if test "$enable_x11" = "yes"; then
     PKG_CHECK_MODULES([X11],    [x11],    [:], [USE_X11="no"])
     PKG_CHECK_MODULES([XEXT],   [xext],   [:], [USE_X11="no"])
     PKG_CHECK_MODULES([XFIXES], [xfixes], [:], [USE_X11="no"])
+    PKG_CHECK_MODULES([XDAMAGE], [xdamage], [:], [USE_X11="no"])
     if test "$USE_X11" = "yes"; then
         AC_DEFINE([HAVE_VA_X11], [1], [Defined to 1 if VA/X11 API is built])
     fi
diff --git a/va/Makefile.am b/va/Makefile.am
index 7ffde12..3526d98 100644
--- a/va/Makefile.am
+++ b/va/Makefile.am
@@ -100,7 +100,7 @@ libva_x11_la_SOURCES		=
 libva_x11_la_LDFLAGS		= $(LDADD)
 libva_x11_la_DEPENDENCIES	= libva.la x11/libva_x11.la
 libva_x11_la_LIBADD		= libva.la x11/libva_x11.la \
-	$(LIBVA_LIBS) $(X11_LIBS) $(XEXT_LIBS) $(XFIXES_LIBS) $(DRM_LIBS) -ldl
+	$(LIBVA_LIBS) $(X11_LIBS) $(XEXT_LIBS) $(XFIXES_LIBS) $(XDAMAGE_LIBS) $(DRM_LIBS) -ldl
 endif
 
 if USE_GLX
diff --git a/va/x11/Makefile.am b/va/x11/Makefile.am
index 508506e..d2be7bc 100644
--- a/va/x11/Makefile.am
+++ b/va/x11/Makefile.am
@@ -27,6 +27,7 @@ INCLUDES = \
 	$(X11_CFLAGS)		\
 	$(XEXT_CFLAGS)		\
 	$(XFIXES_CFLAGS)	\
+	$(XDAMAGE_CFLAGS)	\
 	$(DRM_CFLAGS)		\
 	$(NULL)
 
diff --git a/va/x11/va_x11.c b/va/x11/va_x11.c
old mode 100644
new mode 100755
index dfb9d07..5aace56
--- a/va/x11/va_x11.c
+++ b/va/x11/va_x11.c
@@ -43,6 +43,8 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>
+#include <X11/extensions/Xfixes.h>
+#include <X11/extensions/Xdamage.h> 
 
 static int va_DisplayContextIsValid (
     VADisplayContextP pDisplayContext
@@ -230,7 +232,21 @@ void va_TracePutSurface (
     unsigned int flags /* de-interlacing flags */
 );
 
-
+static void va_report_damage(VADriverContextP ctx, Drawable draw, int x, int y, int width, int height)
+{
+    XRectangle xrect;
+    XserverRegion region;
+
+    xrect.x = x;
+    xrect.y = y;
+    xrect.width = width;
+    xrect.height = height;
+
+    region = XFixesCreateRegion(ctx->native_dpy, &xrect, 1);
+    XDamageAdd(ctx->native_dpy, draw, region);
+    XFixesDestroyRegion(ctx->native_dpy, region);
+    XFlush(ctx->native_dpy);
+}
 VAStatus vaPutSurface (
     VADisplay dpy,
     VASurfaceID surface,
@@ -249,6 +265,8 @@ VAStatus vaPutSurface (
 )
 {
   VADriverContextP ctx;
+  VAStatus  status;
+  XRectangle rect;
 
   if (fool_postp)
       return VA_STATUS_SUCCESS;
@@ -260,7 +278,11 @@ VAStatus vaPutSurface (
                 destx, desty, destw, desth,
            cliprects, number_cliprects, flags );
   
-  return ctx->vtable->vaPutSurface( ctx, surface, (void *)draw, srcx, srcy, srcw, srch,
+  status = ctx->vtable->vaPutSurface( ctx, surface, (void *)draw, srcx, srcy, srcw, srch,
                                    destx, desty, destw, desth,
                                    cliprects, number_cliprects, flags );
+
+  va_report_damage(ctx, draw, destx, desty, destw, desth);
+
+  return status;
 }
-- 
2.7.4