add specialized interp for backcolor, edgeflags

3 files changed, 129 insertions, 5 deletions

diff --git a/src/mesa/drivers/common/t_dd_unfilled.h b/src/mesa/drivers/common/t_dd_unfilled.h
index 08fc69f0a95..b89b37bfe1a 100644
--- a/src/mesa/drivers/common/t_dd_unfilled.h
+++ b/src/mesa/drivers/common/t_dd_unfilled.h
@@ -1,4 +1,4 @@
-/* $Id: t_dd_unfilled.h,v 1.3 2001/03/12 00:48:44 gareth Exp $ */
+/* $Id: t_dd_unfilled.h,v 1.4 2001/04/28 15:26:43 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -75,6 +75,10 @@ static void TAG(unfilled_tri)( GLcontext *ctx,
       }
    }
 
+/*     fprintf(stderr, "%s %s %d %d %d\n", __FUNCTION__, */
+/*  	   _mesa_lookup_enum_by_nr( mode ), */
+/*  	   ef[e0], ef[e1], ef[e2]); */
+
    if (mode == GL_POINT) {
       RASTERIZE(GL_POINTS);
       if (ef[e0]) POINT( v[0] );
diff --git a/src/mesa/drivers/common/t_dd_vb.c b/src/mesa/drivers/common/t_dd_vb.c
index 18e93959bad..1affe3132c7 100644
--- a/src/mesa/drivers/common/t_dd_vb.c
+++ b/src/mesa/drivers/common/t_dd_vb.c
@@ -1,4 +1,4 @@
-/* $Id: t_dd_vb.c,v 1.8 2001/03/30 00:39:02 keithw Exp $ */
+/* $Id: t_dd_vb.c,v 1.9 2001/04/28 15:26:43 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -26,6 +26,7 @@
  * Authors:
  *    Keith Whitwell <[email protected]>
  */
+#include "math/m_translate.h"
 
 #if (HAVE_HW_VIEWPORT)
 #define UNVIEWPORT_VARS
@@ -212,5 +213,124 @@ void TAG(print_vertex)( GLcontext *ctx, const VERTEX *v )
    fprintf(stderr, "\n");
 }
 
+static void do_import( struct vertex_buffer *VB,
+		       struct gl_client_array *to,
+		       struct gl_client_array *from )
+{
+   GLuint count = VB->Count;
+
+   if (!to->Ptr) {
+      to->Ptr = ALIGN_MALLOC( VB->Size * 4 * sizeof(GLubyte), 32 );
+      to->Type = GL_UNSIGNED_BYTE;
+   }
+
+   /* No need to transform the same value 3000 times.
+    */
+   if (!from->StrideB) {
+      to->StrideB = 0;
+      count = 1;
+   }
+   else
+      to->StrideB = 4 * sizeof(GLubyte);
+   
+   _math_trans_4ub( (GLubyte (*)[4]) to->Ptr,
+		    from->Ptr,
+		    from->StrideB,
+		    from->Type,
+		    from->Size,
+		    0,
+		    count);
+}
+
+#ifndef IMPORT_QUALIFIER
+#define IMPORT_QUALIFIER static
+#endif
+
+IMPORT_QUALIFIER void TAG(import_float_colors)( GLcontext *ctx )
+{
+   LOCALVARS
+   struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+   struct gl_client_array *to = GET_UBYTE_COLOR_STORE();
+   do_import( VB, to, VB->ColorPtr[0] );
+   VB->ColorPtr[0] = to;
+}
+
+IMPORT_QUALIFIER void TAG(import_float_spec_colors)( GLcontext *ctx )
+{
+   LOCALVARS
+   struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+   struct gl_client_array *to = GET_UBYTE_SPEC_COLOR_STORE();
+   do_import( VB, to, VB->SecondaryColorPtr[0] );
+   VB->SecondaryColorPtr[0] = to;
+}
+
+/* Interpolate the elements of the VB not included in typical hardware
+ * vertices.  
+ *
+ * NOTE: All these arrays are guarenteed by tnl to be writeable and
+ * have good stride.
+ */
+#ifndef INTERP_QUALIFIER 
+#define INTERP_QUALIFIER static
+#endif
+
+#define GET_COLOR(ptr, idx) (((GLfloat (*)[4])((ptr)->Ptr))[idx])
+
+
+INTERP_QUALIFIER void TAG(interp_extras)( GLcontext *ctx,
+					  GLfloat t,
+					  GLuint dst, GLuint out, GLuint in,
+					  GLboolean force_boundary )
+{
+   LOCALVARS
+   struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+
+   fprintf(stderr, "%s\n", __FUNCTION__);
+
+   if (VB->ColorPtr[1]) {
+      INTERP_4F( t,
+		 GET_COLOR(VB->ColorPtr[1], dst),
+		 GET_COLOR(VB->ColorPtr[1], out),
+		 GET_COLOR(VB->ColorPtr[1], in) );
+
+      if (VB->SecondaryColorPtr[1]) {
+	 INTERP_3F( t,
+		    GET_COLOR(VB->SecondaryColorPtr[1], dst),
+		    GET_COLOR(VB->SecondaryColorPtr[1], out),
+		    GET_COLOR(VB->SecondaryColorPtr[1], in) );
+      }
+   }
+
+   if (VB->EdgeFlag) {
+      VB->EdgeFlag[dst] = VB->EdgeFlag[out] || force_boundary || 1;
+   }
+
+   INTERP_VERTEX(ctx, t, dst, out, in, force_boundary);
+}
+
+INTERP_QUALIFIER void TAG(copy_pv_extras)( GLcontext *ctx, 
+					   GLuint dst, GLuint src )
+{
+   LOCALVARS
+   struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+
+   if (VB->ColorPtr[1]) {
+	 COPY_4FV( GET_COLOR(VB->ColorPtr[1], dst), 
+		   GET_COLOR(VB->ColorPtr[1], src) );
+
+	 if (VB->SecondaryColorPtr[1]) {
+	    COPY_4FV( GET_COLOR(VB->SecondaryColorPtr[1], dst), 
+		      GET_COLOR(VB->SecondaryColorPtr[1], src) );
+	 }
+   }
+
+   COPY_PV_VERTEX(ctx, dst, src);
+}
+
+
+#undef INTERP_QUALIFIER
+#undef IMPORT_QUALIFIER
+#undef GET_COLOR
 
+#undef IND
 #undef TAG
diff --git a/src/mesa/drivers/common/t_dd_vbtmp.h b/src/mesa/drivers/common/t_dd_vbtmp.h
index 65e00a13ada..0a3305e9153 100644
--- a/src/mesa/drivers/common/t_dd_vbtmp.h
+++ b/src/mesa/drivers/common/t_dd_vbtmp.h
@@ -1,4 +1,4 @@
-/* $Id: t_dd_vbtmp.h,v 1.11 2001/04/28 08:39:18 keithw Exp $ */
+/* $Id: t_dd_vbtmp.h,v 1.12 2001/04/28 15:26:43 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -483,8 +483,8 @@ static void TAG(emit)( GLcontext *ctx, GLuint start, GLuint end,
    if (VB->ColorPtr[0]->Type != GL_UNSIGNED_BYTE)
       IMPORT_FLOAT_COLORS( ctx );
 
-   col = VB->ColorPtr[0]->data;
-   col_stride = VB->ColorPtr[0]->stride;
+   col = VB->ColorPtr[0]->Ptr;
+   col_stride = VB->ColorPtr[0]->StrideB;
 
    if (start)
       STRIDE_4UB(col, col_stride * start);