From: Brian <brian.paul@tungstengraphics.com>
Date: Fri, 13 Jul 2007 16:32:56 +0000 (-0600)
Subject: press 's' to toggle smoothing
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5796056e289c5a698a1883586c7acde36f86618f;p=mesa.git

press 's' to toggle smoothing
---

diff --git a/progs/trivial/point-wide.c b/progs/trivial/point-wide.c
index 196e09cc6f9..d1038ecfa15 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);