Merge branch 'master' of ssh://[email protected]/git/mesa/mesa

12 files changed, 67 insertions, 103 deletions

diff --git a/src/mesa/tnl/t_context.h b/src/mesa/tnl/t_context.h
index 6137c2d2fe5..ebaae6335b9 100644
--- a/src/mesa/tnl/t_context.h
+++ b/src/mesa/tnl/t_context.h
@@ -198,26 +198,23 @@ struct vertex_buffer
     */
    GLuint Count;  /**< Number of vertices currently in buffer */
 
-   /* Pointers to current data.
-    * XXX some of these fields alias AttribPtr below and should be removed
-    * such as NormalPtr, TexCoordPtr, FogCoordPtr, etc.
+   /* 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.
     */
    GLuint      *Elts;		                
-   GLvector4f  *ObjPtr;		                /* _TNL_BIT_POS */
    GLvector4f  *EyePtr;		                /* _TNL_BIT_POS */
    GLvector4f  *ClipPtr;	                /* _TNL_BIT_POS */
    GLvector4f  *NdcPtr;                         /* _TNL_BIT_POS */
    GLubyte     ClipOrMask;	                /* _TNL_BIT_POS */
    GLubyte     ClipAndMask;	                /* _TNL_BIT_POS */
    GLubyte     *ClipMask;		        /* _TNL_BIT_POS */
-   GLvector4f  *NormalPtr;	                /* _TNL_BIT_NORMAL */
    GLfloat     *NormalLengthPtr;	        /* _TNL_BIT_NORMAL */
    GLboolean   *EdgeFlag;	                /* _TNL_BIT_EDGEFLAG */
-   GLvector4f  *TexCoordPtr[MAX_TEXTURE_COORD_UNITS]; /* VERT_TEX_0..n */
-   GLvector4f  *IndexPtr[2];	                /* _TNL_BIT_INDEX */
-   GLvector4f  *ColorPtr[2];	                /* _TNL_BIT_COLOR0 */
-   GLvector4f  *SecondaryColorPtr[2];           /* _TNL_BIT_COLOR1 */
-   GLvector4f  *FogCoordPtr;	                /* _TNL_BIT_FOG */
+   GLvector4f  *BackfaceIndexPtr;
+   GLvector4f  *BackfaceColorPtr;
+   GLvector4f  *BackfaceSecondaryColorPtr;
 
    const struct _mesa_prim  *Primitive;	              
    GLuint      PrimitiveCount;	      
@@ -402,11 +399,6 @@ struct tnl_device_driver
    /* Alert tnl-aware drivers of changes to material.
     */
 
-   void (*NotifyInputChanges)(GLcontext *ctx, GLuint bitmask);
-   /* Alert tnl-aware drivers of changes to size and stride of input
-    * arrays.
-    */
-
    /***
     *** Rendering -- These functions called only from t_vb_render.c
     ***/
diff --git a/src/mesa/tnl/t_draw.c b/src/mesa/tnl/t_draw.c
index 04fa1063003..1c7c733883c 100644
--- a/src/mesa/tnl/t_draw.c
+++ b/src/mesa/tnl/t_draw.c
@@ -251,22 +251,10 @@ static void bind_inputs( GLcontext *ctx,
     */
    VB->Count = count;
 
-
-   /* Legacy pointers -- remove one day.
-    */
-   VB->ObjPtr = VB->AttribPtr[_TNL_ATTRIB_POS];
-   VB->NormalPtr = VB->AttribPtr[_TNL_ATTRIB_NORMAL];
-   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->SecondaryColorPtr[0] = VB->AttribPtr[_TNL_ATTRIB_COLOR1];
-   VB->SecondaryColorPtr[1] = NULL;
-   VB->FogCoordPtr = VB->AttribPtr[_TNL_ATTRIB_FOG];
-
-   for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
-      VB->TexCoordPtr[i] = VB->AttribPtr[_TNL_ATTRIB_TEX0 + i];
-   }
+   /* These should perhaps be part of _TNL_ATTRIB_* */
+   VB->BackfaceColorPtr = NULL;
+   VB->BackfaceIndexPtr = NULL;
+   VB->BackfaceSecondaryColorPtr = NULL;
 
    /* Clipping and drawing code still requires this to be a packed
     * array of ubytes which can be written into.  TODO: Fix and
diff --git a/src/mesa/tnl/t_pipeline.c b/src/mesa/tnl/t_pipeline.c
index 357ef1e24b5..01b30babb48 100644
--- a/src/mesa/tnl/t_pipeline.c
+++ b/src/mesa/tnl/t_pipeline.c
@@ -86,10 +86,6 @@ static GLuint check_input_changes( GLcontext *ctx )
       }
    }
 
-   if (tnl->pipeline.input_changes &&
-      tnl->Driver.NotifyInputChanges) 
-      tnl->Driver.NotifyInputChanges( ctx, tnl->pipeline.input_changes );
-
    return tnl->pipeline.input_changes;
 }
 
diff --git a/src/mesa/tnl/t_vb_fog.c b/src/mesa/tnl/t_vb_fog.c
index f3a7bd49f40..4a0e6ad4f99 100644
--- a/src/mesa/tnl/t_vb_fog.c
+++ b/src/mesa/tnl/t_vb_fog.c
@@ -156,7 +156,7 @@ run_fog_stage(GLcontext *ctx, struct tnl_pipeline_stage *stage)
       GLuint i;
       GLfloat *coord;
       /* Fog is computed from vertex or fragment Z values */
-      /* source = VB->ObjPtr or VB->EyePtr coords */
+      /* source = VB->AttribPtr[_TNL_ATTRIB_POS] or VB->EyePtr coords */
       /* dest = VB->AttribPtr[_TNL_ATTRIB_FOG] = fog stage private storage */
       VB->AttribPtr[_TNL_ATTRIB_FOG] = &store->fogcoord;
 
@@ -176,11 +176,12 @@ run_fog_stage(GLcontext *ctx, struct tnl_pipeline_stage *stage)
 	 /* Full eye coords weren't required, just calculate the
 	  * eye Z values.
 	  */
-	 _mesa_dotprod_tab[VB->ObjPtr->size]( (GLfloat *) input->data,
-					      4 * sizeof(GLfloat),
-					      VB->ObjPtr, plane );
+	 _mesa_dotprod_tab[VB->AttribPtr[_TNL_ATTRIB_POS]->size]
+	    ( (GLfloat *) input->data,
+	      4 * sizeof(GLfloat),
+	      VB->AttribPtr[_TNL_ATTRIB_POS], plane );
 
-	 input->count = VB->ObjPtr->count;
+	 input->count = VB->AttribPtr[_TNL_ATTRIB_POS]->count;
 
 	 /* make sure coords are really positive
 	    NOTE should avoid going through array twice */
@@ -213,7 +214,7 @@ run_fog_stage(GLcontext *ctx, struct tnl_pipeline_stage *stage)
       /* input->count may be one if glFogCoord was only called once
        * before glBegin.  But we need to compute fog for all vertices.
        */
-      input->count = VB->ObjPtr->count;
+      input->count = VB->AttribPtr[_TNL_ATTRIB_POS]->count;
 
       VB->AttribPtr[_TNL_ATTRIB_FOG] = &store->fogcoord;  /* dest data */
    }
@@ -227,7 +228,6 @@ run_fog_stage(GLcontext *ctx, struct tnl_pipeline_stage *stage)
       VB->AttribPtr[_TNL_ATTRIB_FOG] = input;
    }
 
-   VB->FogCoordPtr = VB->AttribPtr[_TNL_ATTRIB_FOG];
    return GL_TRUE;
 }
 
diff --git a/src/mesa/tnl/t_vb_light.c b/src/mesa/tnl/t_vb_light.c
index f47f99397c9..8a0fe63fd8b 100644
--- a/src/mesa/tnl/t_vb_light.c
+++ b/src/mesa/tnl/t_vb_light.c
@@ -127,7 +127,7 @@ prepare_materials(GLcontext *ctx,
       const GLuint bitmask = ctx->Light.ColorMaterialBitmask;
       for (i = 0 ; i < MAT_ATTRIB_MAX ; i++)
 	 if (bitmask & (1<<i))
-	    VB->AttribPtr[_TNL_ATTRIB_MAT_FRONT_AMBIENT + i] = VB->ColorPtr[0];
+	    VB->AttribPtr[_TNL_ATTRIB_MAT_FRONT_AMBIENT + i] = VB->AttribPtr[_TNL_ATTRIB_COLOR0];
    }
 
    /* Now, for each material attribute that's tracking vertex color, save
@@ -200,7 +200,7 @@ static GLboolean run_lighting( GLcontext *ctx,
    struct light_stage_data *store = LIGHT_STAGE_DATA(stage);
    TNLcontext *tnl = TNL_CONTEXT(ctx);
    struct vertex_buffer *VB = &tnl->vb;
-   GLvector4f *input = ctx->_NeedEyeCoords ? VB->EyePtr : VB->ObjPtr;
+   GLvector4f *input = ctx->_NeedEyeCoords ? VB->EyePtr : VB->AttribPtr[_TNL_ATTRIB_POS];
    GLuint idx;
 
    if (!ctx->Light.Enabled || ctx->VertexProgram._Current)
@@ -208,13 +208,13 @@ static GLboolean run_lighting( GLcontext *ctx,
 
    /* Make sure we can talk about position x,y and z:
     */
-   if (input->size <= 2 && input == VB->ObjPtr) {
+   if (input->size <= 2 && input == VB->AttribPtr[_TNL_ATTRIB_POS]) {
 
       _math_trans_4f( store->Input.data,
-		      VB->ObjPtr->data,
-		      VB->ObjPtr->stride,
+		      VB->AttribPtr[_TNL_ATTRIB_POS]->data,
+		      VB->AttribPtr[_TNL_ATTRIB_POS]->stride,
 		      GL_FLOAT,
-		      VB->ObjPtr->size,
+		      VB->AttribPtr[_TNL_ATTRIB_POS]->size,
 		      0,
 		      VB->Count );
 
@@ -246,10 +246,6 @@ static GLboolean run_lighting( GLcontext *ctx,
     */
    store->light_func_tab[idx]( ctx, VB, stage, input );
 
-   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..4ebef2356f5 100644
--- a/src/mesa/tnl/t_vb_lighttmp.h
+++ b/src/mesa/tnl/t_vb_lighttmp.h
@@ -72,13 +72,13 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
    fprintf(stderr, "%s\n", __FUNCTION__ );
 #endif
 
-   VB->ColorPtr[0] = &store->LitColor[0];
-   VB->SecondaryColorPtr[0] = &store->LitSecondary[0];
+   VB->AttribPtr[_TNL_ATTRIB_COLOR0] = &store->LitColor[0];
+   VB->AttribPtr[_TNL_ATTRIB_COLOR1] = &store->LitSecondary[0];
    sumA[0] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3];
 
 #if IDX & LIGHT_TWOSIDE
-   VB->ColorPtr[1] = &store->LitColor[1];
-   VB->SecondaryColorPtr[1] = &store->LitSecondary[1];
+   VB->BackfaceColorPtr = &store->LitColor[1];
+   VB->BackfaceSecondaryColorPtr = &store->LitSecondary[1];
    sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3];
 #endif
 
@@ -259,11 +259,11 @@ static void TAG(light_rgba)( GLcontext *ctx,
    fprintf(stderr, "%s\n", __FUNCTION__ );
 #endif
 
-   VB->ColorPtr[0] = &store->LitColor[0];
+   VB->AttribPtr[_TNL_ATTRIB_COLOR0] = &store->LitColor[0];
    sumA[0] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3];
 
 #if IDX & LIGHT_TWOSIDE
-   VB->ColorPtr[1] = &store->LitColor[1];
+   VB->BackfaceColorPtr = &store->LitColor[1];
    sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3];
 #endif
 
@@ -449,9 +449,9 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx,
 
    (void) input;		/* doesn't refer to Eye or Obj */
 
-   VB->ColorPtr[0] = &store->LitColor[0];
+   VB->AttribPtr[_TNL_ATTRIB_COLOR0] = &store->LitColor[0];
 #if IDX & LIGHT_TWOSIDE
-   VB->ColorPtr[1] = &store->LitColor[1];
+   VB->BackfaceColorPtr = &store->LitColor[1];
 #endif
 
    if (nr > 1) {
@@ -559,9 +559,9 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
    sumA[0] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3];
    sumA[1] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3];
 
-   VB->ColorPtr[0] = &store->LitColor[0];
+   VB->AttribPtr[_TNL_ATTRIB_COLOR0] = &store->LitColor[0];
 #if IDX & LIGHT_TWOSIDE
-   VB->ColorPtr[1] = &store->LitColor[1];
+   VB->BackfaceColorPtr = &store->LitColor[1];
 #endif
 
    if (nr > 1) {
@@ -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_vb_normals.c b/src/mesa/tnl/t_vb_normals.c
index a4821cc1ccc..693d3dc118d 100644
--- a/src/mesa/tnl/t_vb_normals.c
+++ b/src/mesa/tnl/t_vb_normals.c
@@ -79,7 +79,6 @@ run_normal_stage(GLcontext *ctx, struct tnl_pipeline_stage *stage)
    }
 
    VB->AttribPtr[_TNL_ATTRIB_NORMAL] = &store->normal;
-   VB->NormalPtr = &store->normal;
 
    VB->NormalLengthPtr = NULL;	/* no longer valid */
    return GL_TRUE;
diff --git a/src/mesa/tnl/t_vb_program.c b/src/mesa/tnl/t_vb_program.c
index e69f7d57664..c289cdfbaac 100644
--- a/src/mesa/tnl/t_vb_program.c
+++ b/src/mesa/tnl/t_vb_program.c
@@ -454,19 +454,14 @@ run_vp( GLcontext *ctx, struct tnl_pipeline_stage *stage )
       VB->ClipPtr->count = VB->Count;
    }
 
-   VB->ColorPtr[0] = &store->results[VERT_RESULT_COL0];
-   VB->ColorPtr[1] = &store->results[VERT_RESULT_BFC0];
-   VB->SecondaryColorPtr[0] = &store->results[VERT_RESULT_COL1];
-   VB->SecondaryColorPtr[1] = &store->results[VERT_RESULT_BFC1];
-   VB->FogCoordPtr = &store->results[VERT_RESULT_FOGC];
-
    VB->AttribPtr[VERT_ATTRIB_COLOR0] = &store->results[VERT_RESULT_COL0];
    VB->AttribPtr[VERT_ATTRIB_COLOR1] = &store->results[VERT_RESULT_COL1];
    VB->AttribPtr[VERT_ATTRIB_FOG] = &store->results[VERT_RESULT_FOGC];
    VB->AttribPtr[_TNL_ATTRIB_POINTSIZE] = &store->results[VERT_RESULT_PSIZ];
+   VB->BackfaceColorPtr = &store->results[VERT_RESULT_BFC0];
+   VB->BackfaceSecondaryColorPtr = &store->results[VERT_RESULT_BFC1];
 
    for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
-      VB->TexCoordPtr[i] = 
       VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]
          = &store->results[VERT_RESULT_TEX0 + i];
    }
diff --git a/src/mesa/tnl/t_vb_texgen.c b/src/mesa/tnl/t_vb_texgen.c
index 7c1819b223c..9ef13bc96d8 100644
--- a/src/mesa/tnl/t_vb_texgen.c
+++ b/src/mesa/tnl/t_vb_texgen.c
@@ -341,7 +341,7 @@ static void texgen( GLcontext *ctx,
    GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit];
    GLvector4f *out = &store->texcoord[unit];
    const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-   const GLvector4f *obj = VB->ObjPtr;
+   const GLvector4f *obj = VB->AttribPtr[_TNL_ATTRIB_POS];
    const GLvector4f *eye = VB->EyePtr;
    const GLvector4f *normal = VB->AttribPtr[_TNL_ATTRIB_NORMAL];
    const GLfloat *m = store->tmp_m;
@@ -498,7 +498,6 @@ static GLboolean run_texgen_stage( GLcontext *ctx,
 
 	 store->TexgenFunc[i]( ctx, store, i );
 
-         VB->TexCoordPtr[i] =
          VB->AttribPtr[VERT_ATTRIB_TEX0 + i] = &store->texcoord[i];
       }
    }
diff --git a/src/mesa/tnl/t_vb_texmat.c b/src/mesa/tnl/t_vb_texmat.c
index 0abe8cc35dd..83688290e59 100644
--- a/src/mesa/tnl/t_vb_texmat.c
+++ b/src/mesa/tnl/t_vb_texmat.c
@@ -73,7 +73,6 @@ static GLboolean run_texmat_stage( GLcontext *ctx,
 			      ctx->TextureMatrixStack[i].Top,
 			      VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]);
 
-         VB->TexCoordPtr[i] = 
 	 VB->AttribPtr[VERT_ATTRIB_TEX0+i] = &store->texcoord[i];
       }
    }
diff --git a/src/mesa/tnl/t_vb_vertex.c b/src/mesa/tnl/t_vb_vertex.c
index 4734754ea40..bc7e0951ec8 100644
--- a/src/mesa/tnl/t_vb_vertex.c
+++ b/src/mesa/tnl/t_vb_vertex.c
@@ -152,16 +152,16 @@ static GLboolean run_vertex_stage( GLcontext *ctx,
        * Use combined ModelProject to avoid some depth artifacts
        */
       if (ctx->ModelviewMatrixStack.Top->type == MATRIX_IDENTITY)
-	 VB->EyePtr = VB->ObjPtr;
+	 VB->EyePtr = VB->AttribPtr[_TNL_ATTRIB_POS];
       else
 	 VB->EyePtr = TransformRaw( &store->eye,
 				    ctx->ModelviewMatrixStack.Top,
-				    VB->ObjPtr);
+				    VB->AttribPtr[_TNL_ATTRIB_POS]);
    }
 
    VB->ClipPtr = TransformRaw( &store->clip,
 			       &ctx->_ModelProjectMatrix,
-			       VB->ObjPtr );
+			       VB->AttribPtr[_TNL_ATTRIB_POS] );
 
    /* Drivers expect this to be clean to element 4...
     */
diff --git a/src/mesa/tnl/t_vertex_generic.c b/src/mesa/tnl/t_vertex_generic.c
index 9812f8c8081..fa34d11d7bd 100644
--- a/src/mesa/tnl/t_vertex_generic.c
+++ b/src/mesa/tnl/t_vertex_generic.c
@@ -1092,33 +1092,33 @@ void _tnl_generic_interp_extras( GLcontext *ctx,
 {
    struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
 
-   /* If stride is zero, ColorPtr[1] is constant across the VB, so
+   /* If stride is zero, BackfaceColorPtr is constant across the VB, so
     * there is no point interpolating between two values as they will
     * be identical.  In all other cases, this value is generated by
     * t_vb_lighttmp.h and has a stride of 4 dwords.
     */
-   if (VB->ColorPtr[1] && VB->ColorPtr[1]->stride) {
-      assert(VB->ColorPtr[1]->stride == 4 * sizeof(GLfloat));
+   if (VB->BackfaceColorPtr && VB->BackfaceColorPtr->stride) {
+      assert(VB->BackfaceColorPtr->stride == 4 * sizeof(GLfloat));
 
       INTERP_4F( t,
-		 VB->ColorPtr[1]->data[dst],
-		 VB->ColorPtr[1]->data[out],
-		 VB->ColorPtr[1]->data[in] );
+		 VB->BackfaceColorPtr->data[dst],
+		 VB->BackfaceColorPtr->data[out],
+		 VB->BackfaceColorPtr->data[in] );
    }
 
-   if (VB->SecondaryColorPtr[1]) {
-      assert(VB->SecondaryColorPtr[1]->stride == 4 * sizeof(GLfloat));
+   if (VB->BackfaceSecondaryColorPtr) {
+      assert(VB->BackfaceSecondaryColorPtr->stride == 4 * sizeof(GLfloat));
       
       INTERP_3F( t,
-		 VB->SecondaryColorPtr[1]->data[dst],
-		 VB->SecondaryColorPtr[1]->data[out],
-		 VB->SecondaryColorPtr[1]->data[in] );
+		 VB->BackfaceSecondaryColorPtr->data[dst],
+		 VB->BackfaceSecondaryColorPtr->data[out],
+		 VB->BackfaceSecondaryColorPtr->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) {
@@ -1135,18 +1135,18 @@ void _tnl_generic_copy_pv_extras( GLcontext *ctx,
 
    /* See above comment:
     */
-   if (VB->ColorPtr[1] && VB->ColorPtr[1]->stride) {
-      COPY_4FV( VB->ColorPtr[1]->data[dst], 
-		VB->ColorPtr[1]->data[src] );
+   if (VB->BackfaceColorPtr && VB->BackfaceColorPtr->stride) {
+      COPY_4FV( VB->BackfaceColorPtr->data[dst],
+		VB->BackfaceColorPtr->data[src] );
    }
 
-   if (VB->SecondaryColorPtr[1]) {
-      COPY_4FV( VB->SecondaryColorPtr[1]->data[dst], 
-		VB->SecondaryColorPtr[1]->data[src] );
+   if (VB->BackfaceSecondaryColorPtr) {
+      COPY_4FV( VB->BackfaceSecondaryColorPtr->data[dst],
+		VB->BackfaceSecondaryColorPtr->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);