http://www.tienza.es/crux/src/www.jwz.org/xscreensaver/xscreensaver-5.05.tar.gz

[xscreensaver] / hacks / glx / cubestorm.c

diff --git a/hacks/glx/cubestorm.c b/hacks/glx/cubestorm.c
index 0b22987304ec286af06701d3f69f7041b64422ee..1eb3073aa70847d94ccffd161d99e293c96cbe37 100644 (file)
--- a/hacks/glx/cubestorm.c
+++ b/hacks/glx/cubestorm.c
@@ -1,4 +1,4 @@
-/* cubestorm, Copyright (c) 2003, 2004 Jamie Zawinski <jwz@jwz.org>
+/* cubestorm, Copyright (c) 2003-2008 Jamie Zawinski <jwz@jwz.org>
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
@@ -9,24 +9,6 @@
  * implied warranty.
  */
 
-#include <X11/Intrinsic.h>
-
-extern XtAppContext app;
-
-#define PROGCLASS      "CubeStorm"
-#define HACK_INIT      init_cube
-#define HACK_DRAW      draw_cube
-#define HACK_RESHAPE   reshape_cube
-#define HACK_HANDLE_EVENT cube_handle_event
-#define EVENT_MASK      PointerMotionMask
-#define sws_opts       xlockmore_opts
-
-#define DEF_SPIN        "True"
-#define DEF_WANDER      "True"
-#define DEF_SPEED       "1.0"
-#define DEF_THICKNESS   "0.06"
-#define DEF_COUNT       "4"
-
 #define DEFAULTS       "*delay:        30000       \n" \
                        "*count:      " DEF_COUNT   "\n" \
                        "*showFPS:      False       \n" \
@@ -34,6 +16,8 @@ extern XtAppContext app;
                        "*wireframe:    False       \n" \
 
 
+# define refresh_cube 0
+# define release_cube 0
 #undef countof
 #define countof(x) (sizeof((x))/sizeof((*x)))
 
@@ -45,7 +29,12 @@ extern XtAppContext app;
 
 #ifdef USE_GL /* whole file */
 
-#include <GL/glu.h>
+#define DEF_SPIN        "True"
+#define DEF_WANDER      "True"
+#define DEF_SPEED       "1.0"
+#define DEF_THICKNESS   "0.06"
+#define DEF_COUNT       "4"
+#define DEF_DBUF        "False"
 
 typedef struct {
   rotator *rot;
@@ -73,6 +62,7 @@ static Bool do_spin;
 static Bool do_wander;
 static GLfloat speed;
 static GLfloat thickness;
+static Bool dbuf_p;
 
 static XrmOptionDescRec opts[] = {
   { "-spin",   ".spin",   XrmoptionNoArg, "True" },
@@ -80,7 +70,9 @@ static XrmOptionDescRec opts[] = {
   { "-wander", ".wander", XrmoptionNoArg, "True" },
   { "+wander", ".wander", XrmoptionNoArg, "False" },
   { "-speed",  ".speed",  XrmoptionSepArg, 0 },
-  { "-thickness", ".thickness",  XrmoptionSepArg, 0 },
+  { "-db",     ".doubleBuffer", XrmoptionNoArg, "True"},
+  { "+db",     ".doubleBuffer", XrmoptionNoArg, "False"},
+  { "-thickness", ".thickness", XrmoptionSepArg, 0 },
 };
 
 static argtype vars[] = {
@@ -88,9 +80,10 @@ static argtype vars[] = {
   {&do_wander, "wander", "Wander", DEF_WANDER, t_Bool},
   {&speed,     "speed",  "Speed",  DEF_SPEED,  t_Float},
   {&thickness, "thickness", "Thickness",  DEF_THICKNESS,  t_Float},
+  {&dbuf_p, "doubleBuffer", "DoubleBuffer", DEF_DBUF, t_Bool},
 };
 
-ModeSpecOpt sws_opts = {countof(opts), opts, countof(vars), vars, NULL};
+ENTRYPOINT ModeSpecOpt cube_opts = {countof(opts), opts, countof(vars), vars, NULL};
 
 
 static void
@@ -164,7 +157,7 @@ new_cube_colors (ModeInfo *mi)
 
 /* Window management, etc
  */
-void
+ENTRYPOINT void
 reshape_cube (ModeInfo *mi, int width, int height)
 {
   GLfloat h = (GLfloat) height / (GLfloat) width;
@@ -185,7 +178,7 @@ reshape_cube (ModeInfo *mi, int width, int height)
 }
 
 
-Bool
+ENTRYPOINT Bool
 cube_handle_event (ModeInfo *mi, XEvent *event)
 {
   cube_configuration *bp = &bps[MI_SCREEN(mi)];
@@ -207,7 +200,9 @@ cube_handle_event (ModeInfo *mi, XEvent *event)
     }
   else if (event->xany.type == ButtonPress &&
            (event->xbutton.button == Button4 ||
-            event->xbutton.button == Button5))
+            event->xbutton.button == Button5 ||
+            event->xbutton.button == Button6 ||
+            event->xbutton.button == Button7))
     {
       gltrackball_mousewheel (bp->trackball, event->xbutton.button, 10,
                               !!event->xbutton.state);
@@ -241,7 +236,7 @@ cube_handle_event (ModeInfo *mi, XEvent *event)
 }
 
 
-void 
+ENTRYPOINT void 
 init_cube (ModeInfo *mi)
 {
   cube_configuration *bp;
@@ -320,11 +315,12 @@ init_cube (ModeInfo *mi)
   draw_faces (mi);
   glEndList ();
 
+  glDrawBuffer(dbuf_p ? GL_BACK : GL_FRONT);
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 }
 
 
-void
+ENTRYPOINT void
 draw_cube (ModeInfo *mi)
 {
   cube_configuration *bp = &bps[MI_SCREEN(mi)];
@@ -337,6 +333,8 @@ draw_cube (ModeInfo *mi)
   if (!bp->glx_context)
     return;
 
+  glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(bp->glx_context));
+
   glShadeModel(GL_SMOOTH);
 
   glEnable(GL_DEPTH_TEST);
@@ -374,9 +372,9 @@ draw_cube (ModeInfo *mi)
 
   for (i = 0; i < MI_COUNT(mi); i++)
     {
-      static GLfloat bcolor[4] = {0.0, 0.0, 0.0, 1.0};
-      static GLfloat bspec[4]  = {1.0, 1.0, 1.0, 1.0};
-      static GLfloat bshiny    = 128.0;
+      GLfloat bcolor[4] = {0.0, 0.0, 0.0, 1.0};
+      GLfloat bspec[4]  = {1.0, 1.0, 1.0, 1.0};
+      GLfloat bshiny    = 128.0;
 
       glPushMatrix();
 
@@ -420,7 +418,10 @@ draw_cube (ModeInfo *mi)
   if (mi->fps_p) do_fps (mi);
   glFinish();
 
-  glXSwapBuffers(dpy, window);
+  if (dbuf_p)
+    glXSwapBuffers(dpy, window);
 }
 
+XSCREENSAVER_MODULE_2 ("CubeStorm", cubestorm, cube)
+
 #endif /* USE_GL */