From 28d8d4e7664bcd6c8369cc18832e42096af7cad2 Mon Sep 17 00:00:00 2001
From: Jacek Antonelli
Date: Fri, 15 Aug 2008 23:45:01 -0500
Subject: Second Life viewer sources 1.17.3.0

---
 linden/indra/newview/llviewerjointmesh.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'linden/indra/newview/llviewerjointmesh.h')

diff --git a/linden/indra/newview/llviewerjointmesh.h b/linden/indra/newview/llviewerjointmesh.h
index f016da6..b40daed 100644
--- a/linden/indra/newview/llviewerjointmesh.h
+++ b/linden/indra/newview/llviewerjointmesh.h
@@ -146,6 +146,22 @@ public:
 
 	/*virtual*/ BOOL isAnimatable() { return FALSE; }
 	void writeCAL3D(apr_file_t* fp, S32 material_num, LLCharacter* characterp);
+
+	// Avatar vertex skinning is a significant performance issue on computers
+	// with avatar vertex programs turned off (for example, most Macs).  We
+	// therefore have custom versions that use SIMD instructions.
+	//
+	// These functions require compiler options for SSE2, SSE, or neither, and
+	// hence are contained in separate individual .cpp files.  JC
+	static void updateGeometryOriginal(LLFace* face, LLPolyMesh* mesh);
+	// generic vector code, used for Altivec
+	static void updateGeometryVectorized(LLFace* face, LLPolyMesh* mesh);
+	static void updateGeometrySSE(LLFace* face, LLPolyMesh* mesh);
+	static void updateGeometrySSE2(LLFace* face, LLPolyMesh* mesh);
+
+	// Use a fuction pointer to indicate which version we are running.
+	static void (*sUpdateGeometryFunc)(LLFace* face, LLPolyMesh* mesh);
+
 private:
 	// Allocate skin data
 	BOOL allocateSkinData( U32 numSkinJoints );
-- 
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