cairo: Add 1.2.4 (including float conversion speedup) (from poky)

2 files changed, 43 insertions, 0 deletions

diff --git a/packages/cairo/files/.mtn2git_empty b/packages/cairo/files/.mtn2git_empty
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/packages/cairo/files/.mtn2git_empty
diff --git a/packages/cairo/files/cairo-fixed.patch b/packages/cairo/files/cairo-fixed.patch
new file mode 100644
index 0000000000..8df54d9cb5
--- /dev/null
+++ b/packages/cairo/files/cairo-fixed.patch
@@ -0,0 +1,43 @@
+diff -ur cairo-1.2.4/src/cairo-fixed.c cairo-1.2.4-new/src/cairo-fixed.c
+--- cairo-1.2.4/src/cairo-fixed.c	2006-06-10 07:07:37.000000000 +0300
++++ cairo-1.2.4-new/src/cairo-fixed.c	2006-08-25 13:06:26.000000000 +0300
+@@ -43,12 +43,6 @@
+ }
+ 
+ cairo_fixed_t
+-_cairo_fixed_from_double (double d)
+-{
+-    return (cairo_fixed_t) floor (d * 65536 + 0.5);
+-}
+-
+-cairo_fixed_t
+ _cairo_fixed_from_26_6 (uint32_t i)
+ {
+     return i << 10;
+diff -ur cairo-1.2.4/src/cairoint.h cairo-1.2.4-new/src/cairoint.h
+--- cairo-1.2.4/src/cairoint.h	2006-08-18 17:20:16.000000000 +0300
++++ cairo-1.2.4-new/src/cairoint.h	2006-08-25 13:14:07.000000000 +0300
+@@ -1117,8 +1117,21 @@
+ 
+ #define CAIRO_FIXED_ONE _cairo_fixed_from_int (1)
+ 
+-cairo_private cairo_fixed_t
+-_cairo_fixed_from_double (double d);
++#define CAIRO_DOUBLE2FIX_MAGIC 103079215104.0 /* 2 ^ (52 - 16) * 1.5 */
++
++#ifdef WORDS_BIGENDIAN
++#define iman 1
++#else
++#define iman 0
++#endif
++
++static inline cairo_fixed_t
++_cairo_fixed_from_double (double d)
++{
++        d = d + CAIRO_DOUBLE2FIX_MAGIC;
++        
++        return ((cairo_fixed_t *) &d)[iman];
++}
+ 
+ cairo_private cairo_fixed_t
+ _cairo_fixed_from_26_6 (uint32_t i);