1 files changed, 15 insertions, 20 deletions

diff --git a/progs/trivial/tri.c b/progs/trivial/tri.c
index d4a7f08ae3..d3c6b59ea5 100644
--- a/progs/trivial/tri.c
+++ b/progs/trivial/tri.c
@@ -32,7 +32,7 @@
 #define CI_OFFSET_2 32
 
 
-GLenum doubleBuffer;
+GLenum doubleBuffer = 1;
 int win;
 
 static void Init(void)
@@ -41,7 +41,7 @@ static void Init(void)
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
 
-    glClearColor(0.0, 0.0, 1.0, 0.0);
+    glClearColor(0.3, 0.1, 0.3, 0.0);
 }
 
 static void Reshape(int width, int height)
@@ -57,16 +57,13 @@ static void Reshape(int width, int height)
 
 static void Key(unsigned char key, int x, int y)
 {
-
-    switch (key) {
-      case 27:
-         glutDestroyWindow(win);
-	exit(0);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
+   switch (key) {
+   case 27:
+      exit(0);
+   default:
+      glutPostRedisplay();
+      return;
+   }
 }
 
 static void Draw(void)
@@ -74,12 +71,12 @@ static void Draw(void)
    glClear(GL_COLOR_BUFFER_BIT); 
 
    glBegin(GL_TRIANGLES);
-   glColor3f(0,0,.7); 
-   glVertex3f( 0.9, -0.9, -30.0);
    glColor3f(.8,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
+   glVertex3f(-0.9, -0.9, -30.0);
    glColor3f(0,.9,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.0,  0.9, -30.0);
    glEnd();
 
    glFlush();
@@ -93,8 +90,6 @@ static GLenum Args(int argc, char **argv)
 {
     GLint i;
 
-    doubleBuffer = GL_FALSE;
-
     for (i = 1; i < argc; i++) {
         if (strcmp(argv[i], "-sb") == 0) {
 	    doubleBuffer = GL_FALSE;
@@ -120,7 +115,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
@@ -135,5 +130,5 @@ int main(int argc, char **argv)
     glutKeyboardFunc(Key);
     glutDisplayFunc(Draw);
     glutMainLoop();
-	return 0;
+    return 0;
 }