5 files changed, 16 insertions, 15 deletions
diff --git a/src/mesa/tnl/t_context.h b/src/mesa/tnl/t_context.h
index bfba09fd560..b41cf93897a 100644
--- a/src/mesa/tnl/t_context.h
+++ b/src/mesa/tnl/t_context.h
@@ -198,7 +198,10 @@ struct vertex_buffer
     */
    GLuint Count;  /**< Number of vertices currently in buffer */
 
-   /* Pointers to current data.
+   /* Pointers to current data.  Most of the data is in AttribPtr -- all of
+    * it that is one of VERT_ATTRIB_X.  For things only produced by TNL,
+    * such as backface color or eye-space coordinates, they are stored
+    * here.
     * XXX some of these fields alias AttribPtr below and should be removed
     * such as FogCoordPtr, etc.
     */
@@ -211,7 +214,7 @@ struct vertex_buffer
    GLubyte     *ClipMask;		        /* _TNL_BIT_POS */
    GLfloat     *NormalLengthPtr;	        /* _TNL_BIT_NORMAL */
    GLboolean   *EdgeFlag;	                /* _TNL_BIT_EDGEFLAG */
-   GLvector4f  *IndexPtr[2];	                /* _TNL_BIT_INDEX */
+   GLvector4f  *BackfaceIndexPtr;               /* _TNL_BIT_INDEX */
    GLvector4f  *ColorPtr[2];	                /* _TNL_BIT_COLOR0 */
    GLvector4f  *SecondaryColorPtr[2];           /* _TNL_BIT_COLOR1 */
    GLvector4f  *FogCoordPtr;	                /* _TNL_BIT_FOG */
diff --git a/src/mesa/tnl/t_draw.c b/src/mesa/tnl/t_draw.c
index 2a293243e5a..80926276459 100644
--- a/src/mesa/tnl/t_draw.c
+++ b/src/mesa/tnl/t_draw.c
@@ -256,8 +256,7 @@ static void bind_inputs( GLcontext *ctx,
     */
    VB->ColorPtr[0] = VB->AttribPtr[_TNL_ATTRIB_COLOR0];
    VB->ColorPtr[1] = NULL;
-   VB->IndexPtr[0] = VB->AttribPtr[_TNL_ATTRIB_COLOR_INDEX];
-   VB->IndexPtr[1] = NULL;
+   VB->BackfaceIndexPtr = NULL;
    VB->SecondaryColorPtr[0] = VB->AttribPtr[_TNL_ATTRIB_COLOR1];
    VB->SecondaryColorPtr[1] = NULL;
    VB->FogCoordPtr = VB->AttribPtr[_TNL_ATTRIB_FOG];
diff --git a/src/mesa/tnl/t_vb_light.c b/src/mesa/tnl/t_vb_light.c
index 360452192d5..e72a807f0df 100644
--- a/src/mesa/tnl/t_vb_light.c
+++ b/src/mesa/tnl/t_vb_light.c
@@ -248,7 +248,6 @@ static GLboolean run_lighting( GLcontext *ctx,
 
    VB->AttribPtr[_TNL_ATTRIB_COLOR0] = VB->ColorPtr[0];
    VB->AttribPtr[_TNL_ATTRIB_COLOR1] = VB->SecondaryColorPtr[0];
-   VB->AttribPtr[_TNL_ATTRIB_COLOR_INDEX] = VB->IndexPtr[0];
 
    return GL_TRUE;
 }
diff --git a/src/mesa/tnl/t_vb_lighttmp.h b/src/mesa/tnl/t_vb_lighttmp.h
index 124ca3c74fe..dd117e435cd 100644
--- a/src/mesa/tnl/t_vb_lighttmp.h
+++ b/src/mesa/tnl/t_vb_lighttmp.h
@@ -665,14 +665,14 @@ static void TAG(light_ci)( GLcontext *ctx,
    fprintf(stderr, "%s\n", __FUNCTION__ );
 #endif
 
-   VB->IndexPtr[0] = &store->LitIndex[0];
+   VB->AttribPtr[_TNL_ATTRIB_COLOR_INDEX] = &store->LitIndex[0];
 #if IDX & LIGHT_TWOSIDE
-   VB->IndexPtr[1] = &store->LitIndex[1];
+   VB->BackfaceIndexPtr = &store->LitIndex[1];
 #endif
 
-   indexResult[0] = (GLfloat *)VB->IndexPtr[0]->data;
+   indexResult[0] = (GLfloat *)VB->AttribPtr[_TNL_ATTRIB_COLOR_INDEX]->data;
 #if IDX & LIGHT_TWOSIDE
-   indexResult[1] = (GLfloat *)VB->IndexPtr[1]->data;
+   indexResult[1] = (GLfloat *)VB->BackfaceIndexPtr->data;
 #endif
 
    /* loop over vertices */
diff --git a/src/mesa/tnl/t_vertex_generic.c b/src/mesa/tnl/t_vertex_generic.c
index 9812f8c8081..f97ad7c2ed3 100644
--- a/src/mesa/tnl/t_vertex_generic.c
+++ b/src/mesa/tnl/t_vertex_generic.c
@@ -1115,10 +1115,10 @@ void _tnl_generic_interp_extras( GLcontext *ctx,
 		 VB->SecondaryColorPtr[1]->data[in] );
    }
    
-   if (VB->IndexPtr[1]) {
-      VB->IndexPtr[1]->data[dst][0] = LINTERP( t,
-					       VB->IndexPtr[1]->data[out][0],
-					       VB->IndexPtr[1]->data[in][0] );
+   if (VB->BackfaceIndexPtr) {
+      VB->BackfaceIndexPtr->data[dst][0] = LINTERP( t,
+					       VB->BackfaceIndexPtr->data[out][0],
+					       VB->BackfaceIndexPtr->data[in][0] );
    }
 
    if (VB->EdgeFlag) {
@@ -1145,8 +1145,8 @@ void _tnl_generic_copy_pv_extras( GLcontext *ctx,
 		VB->SecondaryColorPtr[1]->data[src] );
    }
 
-   if (VB->IndexPtr[1]) {
-      VB->IndexPtr[1]->data[dst][0] = VB->IndexPtr[1]->data[src][0];
+   if (VB->BackfaceIndexPtr) {
+      VB->BackfaceIndexPtr->data[dst][0] = VB->BackfaceIndexPtr->data[src][0];
    }
 
    _tnl_generic_copy_pv(ctx, dst, src);