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-rw-r--r--src/mesa/main/macros.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h
index d90905f997e..029f609fd93 100644
--- a/src/mesa/main/macros.h
+++ b/src/mesa/main/macros.h
@@ -662,6 +662,10 @@ do { \
#define LEN_SQUARED_2FV( V ) ((V)[0]*(V)[0]+(V)[1]*(V)[1])
+/** Compute ceiling of integer quotient of A divided by B. */
+#define CEILING( A, B ) ( (A) % (B) == 0 ? (A)/(B) : (A)/(B)+1 )
+
+
/** casts to silence warnings with some compilers */
#define ENUM_TO_INT(E) ((GLint)(E))
#define ENUM_TO_FLOAT(E) ((GLfloat)(GLint)(E))