From c3f14b915c38a4978745f12f1f816572cce4b5a0 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Mon, 3 Jun 2013 12:50:48 -0500
Subject: NORSPEC-229 Fix for bad binormals on mirrored surfaces (use tangent
 calculator instead of binormal calculator, convert binormal centric code to
 tangent centric)

---
 indra/llrender/llvertexbuffer.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'indra/llrender/llvertexbuffer.h')

diff --git a/indra/llrender/llvertexbuffer.h b/indra/llrender/llvertexbuffer.h
index 1be9b79e84..04806c1d8c 100755
--- a/indra/llrender/llvertexbuffer.h
+++ b/indra/llrender/llvertexbuffer.h
@@ -174,7 +174,7 @@ public:
 		TYPE_TEXCOORD3,
 		TYPE_COLOR,
 		TYPE_EMISSIVE,
-		TYPE_BINORMAL,
+		TYPE_TANGENT,
 		TYPE_WEIGHT,
 		TYPE_WEIGHT4,
 		TYPE_CLOTHWEIGHT,
@@ -192,7 +192,7 @@ public:
 		MAP_COLOR = (1<<TYPE_COLOR),
 		MAP_EMISSIVE = (1<<TYPE_EMISSIVE),
 		// These use VertexAttribPointer and should possibly be made generic
-		MAP_BINORMAL = (1<<TYPE_BINORMAL),
+		MAP_TANGENT = (1<<TYPE_TANGENT),
 		MAP_WEIGHT = (1<<TYPE_WEIGHT),
 		MAP_WEIGHT4 = (1<<TYPE_WEIGHT4),
 		MAP_CLOTHWEIGHT = (1<<TYPE_CLOTHWEIGHT),
@@ -252,7 +252,8 @@ public:
 	bool getTexCoord1Strider(LLStrider<LLVector2>& strider, S32 index=0, S32 count = -1, bool map_range = false);
 	bool getTexCoord2Strider(LLStrider<LLVector2>& strider, S32 index=0, S32 count = -1, bool map_range = false);
 	bool getNormalStrider(LLStrider<LLVector3>& strider, S32 index=0, S32 count = -1, bool map_range = false);
-	bool getBinormalStrider(LLStrider<LLVector3>& strider, S32 index=0, S32 count = -1, bool map_range = false);
+	bool getTangentStrider(LLStrider<LLVector3>& strider, S32 index=0, S32 count = -1, bool map_range = false);
+	bool getTangentStrider(LLStrider<LLVector4a>& strider, S32 index=0, S32 count = -1, bool map_range = false);
 	bool getColorStrider(LLStrider<LLColor4U>& strider, S32 index=0, S32 count = -1, bool map_range = false);
 	bool getTextureIndexStrider(LLStrider<LLColor4U>& strider, S32 index=0, S32 count = -1, bool map_range = false);
 	bool getEmissiveStrider(LLStrider<LLColor4U>& strider, S32 index=0, S32 count = -1, bool map_range = false);
-- 
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