2 files changed, 35 insertions, 0 deletions

diff --git a/meta/packages/xorg-lib/pixman-0.9.5/dont-copy-unused-bits-to-alpha-channel.patch b/meta/packages/xorg-lib/pixman-0.9.5/dont-copy-unused-bits-to-alpha-channel.patch
new file mode 100644
index 0000000000..05fe829a82
--- /dev/null
+++ b/meta/packages/xorg-lib/pixman-0.9.5/dont-copy-unused-bits-to-alpha-channel.patch
@@ -0,0 +1,29 @@
+From: Carl Worth <cworth@cworth.org>
+
+Don't copy unused bits to an alpha channel
+
+This bug was identified by cairo's rgb24-ignore-alpha test which
+blends RGB24 over ARGB32 and notices that "alpha" values are
+making it from the source to the destination.
+
+Index: a/pixman/pixman-pict.c
+===================================================================
+--- a/pixman/pixman-pict.c b8b7b767b3ed1fc57ba177c38187e1eb3daf4de8
++++ b/pixman/pixman-pict.c c7d73fc532c2da313041906ac0f48dba1b10d3bc
+@@ -1778,7 +1778,6 @@ pixman_image_composite (pixman_op_t     
+                    break;
+                case PIXMAN_x8r8g8b8:
+                    switch (pDst->bits.format) {
+-                   case PIXMAN_a8r8g8b8:
+                    case PIXMAN_x8r8g8b8:
+ #ifdef USE_MMX
+                        if (pixman_have_mmx())
+@@ -1790,7 +1789,6 @@ pixman_image_composite (pixman_op_t     
+                    }
+                case PIXMAN_x8b8g8r8:
+                    switch (pDst->bits.format) {
+-                   case PIXMAN_a8b8g8r8:
+                    case PIXMAN_x8b8g8r8:
+ #ifdef USE_MMX
+                        if (pixman_have_mmx())
+
diff --git a/meta/packages/xorg-lib/pixman_0.9.5.bb b/meta/packages/xorg-lib/pixman_0.9.5.bb
new file mode 100644
index 0000000000..5183084167
--- /dev/null
+++ b/meta/packages/xorg-lib/pixman_0.9.5.bb
@@ -0,0 +1,6 @@
+require xorg-lib-common.inc
+
+DESCRIPTION = "Library for lowlevel pixel operations"
+DEPENDS = "virtual/libx11"
+
+SRC_URI += "file://dont-copy-unused-bits-to-alpha-channel.patch;patch=1"