Mesa (openchrome-branch): Check for CPU sse support before using SSE memcpy .

[Thomas Hellstrom]

Module: Mesa
Branch: openchrome-branch
Commit: 83965dcad882c9a1dd624dfe7e64aa9cd6db67ae
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=83965dcad882c9a1dd624dfe7e64aa9cd6db67ae

Author: Thomas Hellstrom <thomas-at-shipmail-dot-org>
Date:   Sat Feb  7 16:50:57 2009 +0100

Check for CPU sse support before using SSE memcpy.

---

 src/mesa/drivers/dri/openchrome/via_tex.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/openchrome/via_tex.c b/src/mesa/drivers/dri/openchrome/via_tex.c
index 2dbf758..4862aa0 100644
--- a/src/mesa/drivers/dri/openchrome/via_tex.c
+++ b/src/mesa/drivers/dri/openchrome/via_tex.c
@@ -947,7 +947,11 @@ viaInitTextureFuncs(struct dd_function_table *functions)
     functions->CopyTexSubImage2D = viaCopyTexSubImage2D;
 
 #if defined( USE_SSE_ASM )
-    functions->TextureMemCpy = via_sse_memcpy;
+#include "x86/common_x86_asm.h"
+    if ( cpu_has_xmm )
+	functions->TextureMemCpy = via_sse_memcpy;
+    else
+	functions->TextureMemCpy = _mesa_memcpy;
 #else
     functions->TextureMemCpy = _mesa_memcpy;
 #endif