From 797d4c1ca8a6be5d42782d03c6d8b47c4232cde1 Mon Sep 17 00:00:00 2001
From: Alexander Larsson <alexl@redhat.com>
Date: Fri, 23 Apr 2010 11:00:40 +0200
Subject: Add source/dest alpha information to AlphaBlend

---
 spice/draw.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/spice/draw.h b/spice/draw.h
index 45b3752..6aeb451 100644
--- a/spice/draw.h
+++ b/spice/draw.h
@@ -280,7 +280,13 @@ typedef struct SPICE_ATTR_PACKED SpiceTransparent {
     uint32_t true_color;
 } SpiceTransparent;
 
+enum {
+    SPICE_ALPHA_FLAGS_DEST_HAS_ALPHA = (1 << 0),
+    SPICE_ALPHA_FLAGS_SRC_SURFACE_HAS_ALPHA = (1 << 1),
+};
+
 typedef struct SPICE_ATTR_PACKED SpiceAlphaBlnd {
+    uint16_t alpha_flags;
     uint8_t alpha;
     SPICE_ADDRESS src_bitmap;
     SpiceRect src_area;
-- 
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