apply David Miller's quad/backcolor patch

diff --git a/src/mesa/drivers/common/t_dd_tritmp.h b/src/mesa/drivers/common/t_dd_tritmp.h
index 87800929e68cdf6e970d5d4c1b4bb55e4461a44d..ce63e0c50db257f6c6e9197df6128c9e05212935 100644 (file)
--- a/src/mesa/drivers/common/t_dd_tritmp.h
+++ b/src/mesa/drivers/common/t_dd_tritmp.h
@@ -1,4 +1,4 @@
-/* $Id: t_dd_tritmp.h,v 1.10 2001/04/28 15:47:48 keithw Exp $ */
+/* $Id: t_dd_tritmp.h,v 1.11 2001/06/01 12:07:15 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -388,31 +388,57 @@ static void TAG(quad)( GLcontext *ctx,
               GLfloat (*vbcolor)[4] = VB->ColorPtr[1]->Ptr;
               (void)vbcolor;
 
-              if (!DO_FLAT) {
-                 VERT_SAVE_RGBA( 0 );
-                 VERT_SAVE_RGBA( 1 );
-                 VERT_SAVE_RGBA( 2 );
-                 VERT_SET_RGBA( v[0], vbcolor[e0] );
-                 VERT_SET_RGBA( v[1], vbcolor[e1] );
-                 VERT_SET_RGBA( v[2], vbcolor[e2] );
+              if (HAVE_BACK_COLORS) {
+                  if (!DO_FLAT) {
+                     VERT_SAVE_RGBA( 0 );
+                     VERT_SAVE_RGBA( 1 );
+                     VERT_SAVE_RGBA( 2 );
+                    VERT_COPY_RGBA1( v[0] );
+                    VERT_COPY_RGBA1( v[1] );
+                    VERT_COPY_RGBA1( v[2] );
+                 }
+                 VERT_SAVE_RGBA( 3 );
+                 VERT_COPY_RGBA1( v[3] );
+                 if (HAVE_SPEC) {
+                     if (!DO_FLAT) {
+                        VERT_SAVE_SPEC( 0 );
+                        VERT_SAVE_SPEC( 1 );
+                        VERT_SAVE_SPEC( 2 );
+                       VERT_COPY_SPEC1( v[0] );
+                       VERT_COPY_SPEC1( v[1] );
+                       VERT_COPY_SPEC1( v[2] );
+                    }
+                    VERT_SAVE_SPEC( 3 );
+                    VERT_COPY_SPEC1( v[3] );
+                 }
               }
-              VERT_SAVE_RGBA( 3 );
-              VERT_SET_RGBA( v[3], vbcolor[e3] );
+              else {
+                 if (!DO_FLAT) {
+                    VERT_SAVE_RGBA( 0 );
+                    VERT_SAVE_RGBA( 1 );
+                    VERT_SAVE_RGBA( 2 );
+                    VERT_SET_RGBA( v[0], vbcolor[e0] );
+                    VERT_SET_RGBA( v[1], vbcolor[e1] );
+                    VERT_SET_RGBA( v[2], vbcolor[e2] );
+                 }
+                 VERT_SAVE_RGBA( 3 );
+                 VERT_SET_RGBA( v[3], vbcolor[e3] );
 
-              if (HAVE_SPEC && VB->SecondaryColorPtr[1]) {
-                 GLchan (*vbspec)[4] = VB->SecondaryColorPtr[1]->Ptr;
-                 ASSERT(VB->SecondaryColorPtr[1]->StrideB==4*sizeof(GLfloat));
+                 if (HAVE_SPEC && VB->SecondaryColorPtr[1]) {
+                    GLchan (*vbspec)[4] = VB->SecondaryColorPtr[1]->Ptr;
+                    ASSERT(VB->SecondaryColorPtr[1]->StrideB==4*sizeof(GLfloat));
 
-                 if (!DO_FLAT) {
-                    VERT_SAVE_SPEC( 0 );
-                    VERT_SAVE_SPEC( 1 );
-                    VERT_SAVE_SPEC( 2 );
-                    VERT_SET_SPEC( v[0], vbspec[e0] );
-                    VERT_SET_SPEC( v[1], vbspec[e1] );
-                    VERT_SET_SPEC( v[2], vbspec[e2] );
-                 }
-                 VERT_SAVE_SPEC( 3 );
-                 VERT_SET_SPEC( v[3], vbspec[e3] );
+                    if (!DO_FLAT) {
+                       VERT_SAVE_SPEC( 0 );
+                       VERT_SAVE_SPEC( 1 );
+                       VERT_SAVE_SPEC( 2 );
+                       VERT_SET_SPEC( v[0], vbspec[e0] );
+                       VERT_SET_SPEC( v[1], vbspec[e1] );
+                       VERT_SET_SPEC( v[2], vbspec[e2] );
+                    }
+                    VERT_SAVE_SPEC( 3 );
+                    VERT_SET_SPEC( v[3], vbspec[e3] );
+                 }
               }
            }
            else {