1 files changed, 35 insertions, 25 deletions

diff --git a/generic/tkZinc.c b/generic/tkZinc.c
index bf2a5ad..793d2a9 100644
--- a/generic/tkZinc.c
+++ b/generic/tkZinc.c
@@ -662,38 +662,48 @@ ZincObjCmd(ClientData		client_data,	/* Main window associated with
 #ifdef GLX
     if (wi->has_glx) {
       int	val;
-      int	attribs[] = { GLX_RGBA, GLX_DOUBLEBUFFER,
+      int	attribs[] = { GLX_RGBA,
+			      GLX_DOUBLEBUFFER,
 			      GLX_BUFFER_SIZE, 16,
-			      GLX_STENCIL_SIZE, 1, None };
+			      GLX_STENCIL_SIZE, 1,
+			      None };
       
       wi->gl_visual = glXChooseVisual(wi->dpy, XScreenNumberOfScreen(wi->screen), attribs);
       if (!wi->gl_visual) {
+	printf("No glx visual\n");
 	wi->render = False;
       }
-      printf("Visual is 0x%x, ", (int) wi->gl_visual->visualid);      
-      glXGetConfig(wi->dpy, wi->gl_visual, GLX_RGBA, &val);
-      printf("RGBA %d, ", val);
-      glXGetConfig(wi->dpy, wi->gl_visual, GLX_DOUBLEBUFFER, &val);
-      printf("Double Buffer %d, ", val);
-      glXGetConfig(wi->dpy, wi->gl_visual, GLX_STENCIL_SIZE, &val);
-      printf("Stencil %d, ", val);
-      glXGetConfig(wi->dpy, wi->gl_visual, GLX_BUFFER_SIZE, &val);
-      printf("depth %d, ", val);
-      glXGetConfig(wi->dpy, wi->gl_visual, GLX_RED_SIZE, &val);
-      printf("red %d, ", val);
-      glXGetConfig(wi->dpy, wi->gl_visual, GLX_GREEN_SIZE, &val);
-      printf("green %d, ", val);
-      glXGetConfig(wi->dpy, wi->gl_visual, GLX_BLUE_SIZE, &val);
-      printf("blue %d, ", val);
-      glXGetConfig(wi->dpy, wi->gl_visual, GLX_ALPHA_SIZE, &val);
-      printf("alpha %d\n", val);
-      wi->gl_context = glXCreateContext(wi->dpy, wi->gl_visual, NULL, True);
-      if (!wi->gl_context) {
-	wi->render = False;
+      else {
+	printf("Visual is 0x%x, ", (int) wi->gl_visual->visualid);      
+	glXGetConfig(wi->dpy, wi->gl_visual, GLX_RGBA, &val);
+	printf("RGBA %d, ", val);
+	glXGetConfig(wi->dpy, wi->gl_visual, GLX_DOUBLEBUFFER, &val);
+	printf("Double Buffer %d, ", val);
+	glXGetConfig(wi->dpy, wi->gl_visual, GLX_STENCIL_SIZE, &val);
+	printf("Stencil %d, ", val);
+	glXGetConfig(wi->dpy, wi->gl_visual, GLX_BUFFER_SIZE, &val);
+	printf("depth %d, ", val);
+	glXGetConfig(wi->dpy, wi->gl_visual, GLX_RED_SIZE, &val);
+	printf("red %d, ", val);
+	glXGetConfig(wi->dpy, wi->gl_visual, GLX_GREEN_SIZE, &val);
+	printf("green %d, ", val);
+	glXGetConfig(wi->dpy, wi->gl_visual, GLX_BLUE_SIZE, &val);
+	printf("blue %d, ", val);
+	glXGetConfig(wi->dpy, wi->gl_visual, GLX_ALPHA_SIZE, &val);
+	printf("alpha %d\n", val);
+	wi->gl_context = glXCreateContext(wi->dpy, wi->gl_visual, NULL, True);
+	if (!wi->gl_context) {
+	  printf("No glx context\n");
+	  wi->render = False;
+	}
+	else {
+	  printf("Context: %d\n", glXIsDirect(wi->dpy, wi->gl_context));
+	  Tk_SetWindowVisual(wi->win, wi->gl_visual->visual,
+			     16,
+			     XCreateColormap(wi->dpy, RootWindowOfScreen(wi->screen),
+					     wi->gl_visual->visual, AllocNone));
+	}
       }
-      printf("Context: %d\n", glXIsDirect(wi->dpy, wi->gl_context));
-      Tk_SetWindowVisual(wi->win, wi->gl_visual->visual,
-			 Tk_Depth(wi->win), Tk_Colormap(wi->win));
     }
 #endif
   }