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-rw-r--r--src/mesa/main/macros.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h
index f6d38fb6480..b206acacf4a 100644
--- a/src/mesa/main/macros.h
+++ b/src/mesa/main/macros.h
@@ -656,6 +656,12 @@ INTERP_4F(GLfloat t, GLfloat dst[4], const GLfloat out[4], const GLfloat in[4])
#define MIN3( A, B, C ) ((A) < (B) ? MIN2(A, C) : MIN2(B, C))
#define MAX3( A, B, C ) ((A) > (B) ? MAX2(A, C) : MAX2(B, C))
+static inline unsigned
+minify(unsigned value, unsigned levels)
+{
+ return MAX2(1, value >> levels);
+}
+
/**
* Align a value up to an alignment value
*