From 52be96b7feb23d9d502c74c4de52dadfb546dc82 Mon Sep 17 00:00:00 2001
From: Michel Dänzer <daenzer@vmware.com>
Date: Tue, 17 Nov 2009 19:41:29 +0100
Subject: Remove unconditional use of glibc specific bswap_16() macro.

Fixes unresolved symbol bswap_16 on non-glibc or little endian glibc platforms.
---
 src/mesa/drivers/dri/common/spantmp2.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/mesa/drivers/dri')

diff --git a/src/mesa/drivers/dri/common/spantmp2.h b/src/mesa/drivers/dri/common/spantmp2.h
index dd5e29f8ce..95f97414a9 100644
--- a/src/mesa/drivers/dri/common/spantmp2.h
+++ b/src/mesa/drivers/dri/common/spantmp2.h
@@ -107,7 +107,8 @@
 
 #define READ_RGBA( rgba, _x, _y )					\
    do {									\
-      GLushort p = bswap_16(GET_VALUE(_x, _y));                         \
+      GLushort p = GET_VALUE(_x, _y);					\
+      p = p << 8 | p >> 8;						\
       rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8;				\
       rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc;				\
       rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8;				\
@@ -237,7 +238,8 @@
 
 #define READ_RGBA( rgba, _x, _y )					\
    do {									\
-      GLushort p = bswap_16(GET_VALUE(_x, _y));                         \
+      GLushort p = GET_VALUE(_x, _y);					\
+      p = p << 8 | p >> 8;						\
       rgba[0] = ((p >> 7) & 0xf8) * 255 / 0xf8;				\
       rgba[1] = ((p >> 2) & 0xf8) * 255 / 0xf8;				\
       rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8;				\
-- 
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