[Mesa-dev] [PATCH 1/2] gallium/util: Add macros for converting from little endian to CPU byte order.

Michel Dänzer michel at daenzer.net
Wed Nov 2 10:26:22 PDT 2011


From: Michel Dänzer <michel.daenzer at amd.com>

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 src/gallium/auxiliary/util/u_math.h |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h
index c74c1da..b9295f4 100644
--- a/src/gallium/auxiliary/util/u_math.h
+++ b/src/gallium/auxiliary/util/u_math.h
@@ -574,6 +574,19 @@ util_bitcount(unsigned n)
 
 
 /**
+ * Convert from little endian to CPU byte order.
+ */
+
+#ifdef PIPE_ARCH_BIG_ENDIAN
+#define util_le32_to_cpu(x) util_bswap32(x)
+#define util_le16_to_cpu(x) util_bswap16(x)
+#else
+#define util_le32_to_cpu(x) (x)
+#define util_le16_to_cpu(x) (x)
+#endif
+
+
+/**
  * Reverse byte order of a 32 bit word.
  */
 static INLINE uint32_t
-- 
1.7.7.1



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