From 47fbfa1615cffe23ea4d8dafb94d01c0a67eef14 Mon Sep 17 00:00:00 2001
From: Pavel Krajcevski <pavel@cs.unc.edu>
Date: Thu, 13 Sep 2012 16:57:10 -0400
Subject: [PATCH] Avoid SIMD functions if they're not defined.

---
 Core/src/TexComp.cpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/Core/src/TexComp.cpp b/Core/src/TexComp.cpp
index 7792d5a..d288eab 100644
--- a/Core/src/TexComp.cpp
+++ b/Core/src/TexComp.cpp
@@ -34,12 +34,16 @@ static CompressionFunc ChooseFuncFromSettings(const SCompressionSettings &s) {
     case eCompressionFormat_BPTC:
     {
       BC7C::SetQualityLevel(s.iQuality);
+#ifdef HAS_SSE_41
       if(s.bUseSIMD) {
 	return BC7C::CompressImageBC7SIMD;
       }
       else {
+#endif
 	return BC7C::CompressImageBC7;
+#ifdef HAS_SSE_41
       }
+#endif
     }
     break;
   }
@@ -54,7 +58,16 @@ CompressedImage * CompressImage(
   const ImageFile &img, 
   const SCompressionSettings &settings
 ) { 
-  
+
+  // Make sure that platform supports SSE if they chose this
+  // option...
+  #ifndef HAS_SSE_41
+  if(settings.bUseSIMD) {
+    ReportError("Platform does not support SIMD!\n");
+    return NULL;
+  }
+  #endif
+
   const unsigned int dataSz = img.GetWidth() * img.GetHeight() * 4;
 
   // Allocate data based on the compression method