From http://www.jwz.org/xscreensaver/xscreensaver-5.27.tar.gz

[xscreensaver] / hacks / glx / gleidescope.c

diff --git a/hacks/glx/gleidescope.c b/hacks/glx/gleidescope.c
index 3a14f2918eba8c7b798908482e09d8852b979880..8abd7338532f73d75286947cf76125ba4fa70ba0 100644 (file)
--- a/hacks/glx/gleidescope.c
+++ b/hacks/glx/gleidescope.c
@@ -1,7 +1,7 @@
 /* -*- Mode: C; tab-width: 4 -*- */
 /* vim: set ai ts=4 sw=4: */
 
-#if !defined( lint ) && !defined( SABER )
+#if 0
 /*static const char sccsid[] = "@(#)gleidescope.c      1.0 03/06/27 xlockmore";*/
 #endif
 
@@ -1251,7 +1251,6 @@ draw(ModeInfo * mi)
 
     mi->polygon_count = 0;
 
-       glClearColor(0.5, 0.5, 0.5, 1.0);
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
        glLoadIdentity();
 
@@ -1543,6 +1542,7 @@ init_gleidescope(ModeInfo * mi)
        if ((gp->glx_context = init_GL(mi)) != NULL) {
 
                reshape_gleidescope(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
+        clear_gl_error(); /* WTF? sometimes "invalid op" from glViewport! */
 
                glDrawBuffer(GL_BACK);