From 5796056e289c5a698a1883586c7acde36f86618f Mon Sep 17 00:00:00 2001
From: Brian <brian.paul@tungstengraphics.com>
Date: Fri, 13 Jul 2007 10:32:56 -0600
Subject: press 's' to toggle smoothing

---
 progs/trivial/point-wide.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/progs/trivial/point-wide.c b/progs/trivial/point-wide.c
index 196e09cc6f..d1038ecfa1 100644
--- a/progs/trivial/point-wide.c
+++ b/progs/trivial/point-wide.c
@@ -33,6 +33,8 @@
 
 
 GLenum doubleBuffer;
+static GLboolean smooth = GL_FALSE;
+
 
 static void Init(void)
 {
@@ -58,6 +60,9 @@ static void Key(unsigned char key, int x, int y)
 {
 
     switch (key) {
+     case 's':
+        smooth = !smooth;
+        break;
       case 27:
 	exit(1);
       default:
@@ -73,6 +78,16 @@ static void Draw(void)
 
    glPointSize(8.0);
 
+   if (smooth) {
+      glEnable(GL_POINT_SMOOTH);
+      glEnable(GL_BLEND);
+      glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   }
+   else {
+      glDisable(GL_POINT_SMOOTH);
+      glDisable(GL_BLEND);
+   }
+
    glBegin(GL_POINTS);
    glColor3f(1,0,0); 
    glVertex3f( 0.9, -0.9, -30.0);
-- 
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