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authormarha <marha@users.sourceforge.net>2012-01-11 08:18:52 +0100
committermarha <marha@users.sourceforge.net>2012-01-11 08:18:52 +0100
commit38e661c7d82fa0b34fbe9b3f3261295787bb6427 (patch)
treeef71c86cfe741318555e06dec3e9e2817d731e7a /pixman/pixman/pixman.h
parenta1e97828c89278770cb249039ec92d959440c640 (diff)
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mesa pixman xserver git update 11 jan 2012
Diffstat (limited to 'pixman/pixman/pixman.h')
-rw-r--r--pixman/pixman/pixman.h12
1 files changed, 8 insertions, 4 deletions
diff --git a/pixman/pixman/pixman.h b/pixman/pixman/pixman.h
index 18d951312..20ff49695 100644
--- a/pixman/pixman/pixman.h
+++ b/pixman/pixman/pixman.h
@@ -908,10 +908,14 @@ struct pixman_triangle
};
/* whether 't' is a well defined not obviously empty trapezoid */
-#define pixman_trapezoid_valid(t) \
- ((t)->left.p1.y != (t)->left.p2.y && \
- (t)->right.p1.y != (t)->right.p2.y && \
- (int) ((t)->bottom - (t)->top) > 0)
+#define pixman_trapezoid_valid(t) \
+ ((t)->left.p1.y != (t)->left.p2.y && \
+ (t)->right.p1.y != (t)->right.p2.y && \
+ (int) ((t)->bottom - (t)->top) > 0 && \
+ (t)->bottom <= (t)->left.p2.y && \
+ (t)->bottom <= (t)->right.p2.y && \
+ (t)->top >= (t)->left.p1.y && \
+ (t)->top >= (t)->right.p1.y)
struct pixman_span_fix
{