From a9ae89d104161c1052beda7e3dcb21b8b7af5ba3 Mon Sep 17 00:00:00 2001
From: Keith Whitwell <keithw@vmware.com>
Date: Sun, 31 May 2009 19:07:21 -0700
Subject: progs/isosurf: add materials mode for glVertex + TRISTRIP

---
 progs/demos/isosurf.c | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

(limited to 'progs/demos')

diff --git a/progs/demos/isosurf.c b/progs/demos/isosurf.c
index e280d8f507c..6923ca2bba8 100644
--- a/progs/demos/isosurf.c
+++ b/progs/demos/isosurf.c
@@ -514,12 +514,27 @@ static void draw_surface( unsigned int with_state )
       break;
 
    case (GLVERTEX|STRIPS):
-      glBegin( GL_TRIANGLE_STRIP );
-      for (i=0;i<numverts;i++) {
-         glNormal3fv( &data[i][3] );
-         glVertex3fv( &data[i][0] );
+      if (with_state & MATERIALS) {
+         glBegin( GL_TRIANGLE_STRIP );
+         for (i=0;i<numverts;i++) {
+            if (i % 600 == 0 && i != 0) {
+               unsigned j = i / 600;
+               glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, col[j]);
+               glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, col[j]);
+            }
+            glNormal3fv( &data[i][3] );
+            glVertex3fv( &data[i][0] );
+         }
+         glEnd();
+      }
+      else {
+         glBegin( GL_TRIANGLE_STRIP );
+         for (i=0;i<numverts;i++) {
+            glNormal3fv( &data[i][3] );
+            glVertex3fv( &data[i][0] );
+         }
+         glEnd();
       }
-      glEnd();
       break;
 
    default:
-- 
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