libxcb pixman git update 26/8/2010

2 files changed, 66 insertions, 79 deletions

diff --git a/pixman/configure.ac b/pixman/configure.ac
index 1b592de14..851a16a66 100644
--- a/pixman/configure.ac
+++ b/pixman/configure.ac
@@ -178,7 +178,6 @@ AC_SUBST(PIXMAN_VERSION_MICRO)
 AC_SUBST(LT_VERSION_INFO)

 

 # Check for dependencies

-#PKG_CHECK_MODULES(DEP, x11)

 

 PIXMAN_CHECK_CFLAG([-Wall])

 PIXMAN_CHECK_CFLAG([-fno-strict-aliasing])

@@ -585,11 +584,18 @@ AC_ARG_ENABLE(gtk,
    [enable_gtk=$enableval], [enable_gtk=auto])

 

 PKG_PROG_PKG_CONFIG

+

+if test $enable_gtk = yes ; then

+   AC_CHECK_LIB([pixman-1], [pixman_version_string])

+   PKG_CHECK_MODULES(GTK, [gtk+-2.0 pixman-1])

+fi

+

 if test $enable_gtk = auto ; then

-   PKG_CHECK_EXISTS([gtk+-2.0], [enable_gtk=yes], [enable_gtk=no])

+   AC_CHECK_LIB([pixman-1], [pixman_version_string], [enable_gtk=auto], [enable_gtk=no])

 fi

-if test $enable_gtk = yes ; then

-   PKG_CHECK_MODULES(GTK, [gtk+-2.0])

+

+if test $enable_gtk = auto ; then

+   PKG_CHECK_MODULES(GTK, [gtk+-2.0 pixman-1], [enable_gtk=yes], [enable_gtk=no])

 fi

 

 AM_CONDITIONAL(HAVE_GTK, [test "x$enable_gtk" = xyes])

diff --git a/pixman/pixman/pixman.c b/pixman/pixman/pixman.c
index 81cf20a8f..4171cb889 100644
--- a/pixman/pixman/pixman.c
+++ b/pixman/pixman/pixman.c
@@ -501,7 +501,7 @@ typedef struct
 

 PIXMAN_DEFINE_THREAD_LOCAL (cache_t, fast_path_cache);

 

-static force_inline void

+static force_inline pixman_bool_t

 lookup_composite_function (pixman_op_t			op,

 			   pixman_format_code_t		src_format,

 			   uint32_t			src_flags,

@@ -577,7 +577,7 @@ lookup_composite_function (pixman_op_t			op,
 	    ++info;

 	}

     }

-    return;

+    return FALSE;

 

 update_cache:

     if (i)

@@ -595,6 +595,8 @@ update_cache:
 	cache->cache[0].fast_path.dest_flags = dest_flags;

 	cache->cache[0].fast_path.func = *out_func;

     }

+

+    return TRUE;

 }

 

 static pixman_bool_t

@@ -803,19 +805,38 @@ analyze_extent (pixman_image_t *image, int x, int y,
     return TRUE;

 }

 

-static void

-do_composite (pixman_op_t	       op,

-	      pixman_image_t	      *src,

-	      pixman_image_t	      *mask,

-	      pixman_image_t	      *dest,

-	      int		       src_x,

-	      int		       src_y,

-	      int		       mask_x,

-	      int		       mask_y,

-	      int		       dest_x,

-	      int		       dest_y,

-	      int		       width,

-	      int		       height)

+/*

+ * Work around GCC bug causing crashes in Mozilla with SSE2

+ *

+ * When using -msse, gcc generates movdqa instructions assuming that

+ * the stack is 16 byte aligned. Unfortunately some applications, such

+ * as Mozilla and Mono, end up aligning the stack to 4 bytes, which

+ * causes the movdqa instructions to fail.

+ *

+ * The __force_align_arg_pointer__ makes gcc generate a prologue that

+ * realigns the stack pointer to 16 bytes.

+ *

+ * On x86-64 this is not necessary because the standard ABI already

+ * calls for a 16 byte aligned stack.

+ *

+ * See https://bugs.freedesktop.org/show_bug.cgi?id=15693

+ */

+#if defined (USE_SSE2) && defined(__GNUC__) && !defined(__x86_64__) && !defined(__amd64__)

+__attribute__((__force_align_arg_pointer__))

+#endif

+PIXMAN_EXPORT void

+pixman_image_composite32 (pixman_op_t      op,

+                          pixman_image_t * src,

+                          pixman_image_t * mask,

+                          pixman_image_t * dest,

+                          int32_t          src_x,

+                          int32_t          src_y,

+                          int32_t          mask_x,

+                          int32_t          mask_y,

+                          int32_t          dest_x,

+                          int32_t          dest_y,

+                          int32_t          width,

+                          int32_t          height)

 {

     pixman_format_code_t src_format, mask_format, dest_format;

     uint32_t src_flags, mask_flags, dest_flags;

@@ -831,6 +852,11 @@ do_composite (pixman_op_t	       op,
     pixman_implementation_t *imp;

     pixman_composite_func_t func;

 

+    _pixman_image_validate (src);

+    if (mask)

+	_pixman_image_validate (mask);

+    _pixman_image_validate (dest);

+

     src_format = src->common.extended_format_code;

     src_flags = src->common.flags;

 

@@ -907,20 +933,21 @@ do_composite (pixman_op_t	       op,
     if (op == PIXMAN_OP_DST)

 	goto out;

 

-    lookup_composite_function (op,

-			       src_format, src_flags,

-			       mask_format, mask_flags,

-			       dest_format, dest_flags,

-			       &imp, &func);

-

-    walk_region_internal (imp, op,

-			  src, mask, dest,

-			  src_x, src_y, mask_x, mask_y,

-			  dest_x, dest_y,

-			  width, height,

-			  (src_flags & FAST_PATH_SIMPLE_REPEAT),

-			  (mask_flags & FAST_PATH_SIMPLE_REPEAT),

-			  &region, func);

+    if (lookup_composite_function (op,

+				   src_format, src_flags,

+				   mask_format, mask_flags,

+				   dest_format, dest_flags,

+				   &imp, &func))

+    {

+	walk_region_internal (imp, op,

+			      src, mask, dest,

+			      src_x, src_y, mask_x, mask_y,

+			      dest_x, dest_y,

+			      width, height,

+			      (src_flags & FAST_PATH_SIMPLE_REPEAT),

+			      (mask_flags & FAST_PATH_SIMPLE_REPEAT),

+			      &region, func);

+    }

 

 out:

     if (need_workaround)

@@ -951,52 +978,6 @@ pixman_image_composite (pixman_op_t      op,
                               mask_x, mask_y, dest_x, dest_y, width, height);

 }

 

-/*

- * Work around GCC bug causing crashes in Mozilla with SSE2

- *

- * When using -msse, gcc generates movdqa instructions assuming that

- * the stack is 16 byte aligned. Unfortunately some applications, such

- * as Mozilla and Mono, end up aligning the stack to 4 bytes, which

- * causes the movdqa instructions to fail.

- *

- * The __force_align_arg_pointer__ makes gcc generate a prologue that

- * realigns the stack pointer to 16 bytes.

- *

- * On x86-64 this is not necessary because the standard ABI already

- * calls for a 16 byte aligned stack.

- *

- * See https://bugs.freedesktop.org/show_bug.cgi?id=15693

- */

-#if defined (USE_SSE2) && defined(__GNUC__) && !defined(__x86_64__) && !defined(__amd64__)

-__attribute__((__force_align_arg_pointer__))

-#endif

-PIXMAN_EXPORT void

-pixman_image_composite32 (pixman_op_t      op,

-                          pixman_image_t * src,

-                          pixman_image_t * mask,

-                          pixman_image_t * dest,

-                          int32_t          src_x,

-                          int32_t          src_y,

-                          int32_t          mask_x,

-                          int32_t          mask_y,

-                          int32_t          dest_x,

-                          int32_t          dest_y,

-                          int32_t          width,

-                          int32_t          height)

-{

-    _pixman_image_validate (src);

-    if (mask)

-	_pixman_image_validate (mask);

-    _pixman_image_validate (dest);

-

-    do_composite (op,

-		  src, mask, dest,

-		  src_x, src_y,

-		  mask_x, mask_y,

-		  dest_x, dest_y,

-		  width, height);

-}

-

 PIXMAN_EXPORT pixman_bool_t

 pixman_blt (uint32_t *src_bits,

             uint32_t *dst_bits,