From http://www.jwz.org/xscreensaver/xscreensaver-5.35.tar.gz

[xscreensaver] / hacks / glx / hypertorus.c

diff --git a/hacks/glx/hypertorus.c b/hacks/glx/hypertorus.c
index 57cd1896e0f3dc0273797f80c2633999fcbf30de..4b81aef9ddb7f9e5e853c6f4be8e3730d6488bab 100644 (file)
--- a/hacks/glx/hypertorus.c
+++ b/hacks/glx/hypertorus.c
@@ -87,6 +87,7 @@ static const char sccsid[] = "@(#)hypertorus.c  1.2 05/09/28 xlockmore";
 #ifdef STANDALONE
 # define DEFAULTS           "*delay:      25000 \n" \
                             "*showFPS:    False \n" \
+                           "*suppressRotationAnimation: True\n" \
 
 # define refresh_hypertorus 0
 # include "xlockmore.h"         /* from the xscreensaver distribution */
@@ -95,9 +96,6 @@ static const char sccsid[] = "@(#)hypertorus.c  1.2 05/09/28 xlockmore";
 #endif /* !STANDALONE */
 
 #ifdef USE_GL
-# ifndef HAVE_JWZGLES
-#  include <X11/keysym.h>
-# endif
 
 #include "gltrackball.h"
 
@@ -505,6 +503,17 @@ static int hypertorus(ModeInfo *mi, double umin, double umax, double vmin,
     }
   }
 
+#if 0 /* #### not working */
+# ifdef HAVE_MOBILE    /* Keep it the same relative size when rotated. */
+  {
+    GLfloat h = MI_HEIGHT(mi) / (GLfloat) MI_WIDTH(mi);
+    int o = (int) current_device_rotation();
+    if (o != 0 && o != 180 && o != -180)
+      glScalef (1/h, 1/h, 1/h);
+  }
+# endif
+#endif
+
   skew = num_spirals;
   ur = umax-umin;
   vr = vmax-vmin;
@@ -631,16 +640,12 @@ static void init(ModeInfo *mi)
   glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();
 
+# ifdef HAVE_JWZGLES /* #### glPolygonMode other than GL_FILL unimplemented */
   if (display_mode == DISP_WIREFRAME)
-  {
-    glDisable(GL_DEPTH_TEST);
-    glShadeModel(GL_FLAT);
-    glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
-    glDisable(GL_LIGHTING);
-    glDisable(GL_LIGHT0);
-    glDisable(GL_BLEND);
-  }
-  else if (display_mode == DISP_SURFACE)
+    display_mode = DISP_SURFACE;
+# endif
+
+  if (display_mode == DISP_SURFACE)
   {
     glEnable(GL_DEPTH_TEST);
     glDepthFunc(GL_LESS);
@@ -676,7 +681,7 @@ static void init(ModeInfo *mi)
     glEnable(GL_BLEND);
     glBlendFunc(GL_SRC_ALPHA,GL_ONE);
   }
-  else
+  else  /* display_mode == DISP_WIREFRAME */
   {
     glDisable(GL_DEPTH_TEST);
     glShadeModel(GL_FLAT);
@@ -834,8 +839,8 @@ ENTRYPOINT void init_hypertorus(ModeInfo *mi)
   hp = &hyper[MI_SCREEN(mi)];
 
   
-  hp->trackballs[0] = gltrackball_init();
-  hp->trackballs[1] = gltrackball_init();
+  hp->trackballs[0] = gltrackball_init(True);
+  hp->trackballs[1] = gltrackball_init(True);
   hp->current_trackball = 0;
   hp->button_pressed = False;