http://packetstormsecurity.org/UNIX/admin/xscreensaver-3.31.tar.gz

[xscreensaver] / hacks / glx / pipes.c

diff --git a/hacks/glx/pipes.c b/hacks/glx/pipes.c
index be4ae600b27a0b7e55d360783195feee0ceb1e8d..31a0bdd305756fe6e496a8a5432f55a1b4a6acb4 100644 (file)
--- a/hacks/glx/pipes.c
+++ b/hacks/glx/pipes.c
@@ -33,10 +33,7 @@ static const char sccsid[] = "@(#)pipes.c    4.07 97/11/24 xlockmore";
  * Since I'm not a native English speaker, my apologies for any grammatical
  * mistake.
  *
- * My e-mail addresses are
- *
- * vianna@cat.cbpf.br 
- *         and
+ * My e-mail address is
  * m-vianna@usa.net
  * Marcelo F. Vianna (Apr-09-1997)
  *
@@ -57,15 +54,17 @@ static const char sccsid[] = "@(#)pipes.c   4.07 97/11/24 xlockmore";
 # define PROGCLASS                                     "Pipes"
 # define HACK_INIT                                     init_pipes
 # define HACK_DRAW                                     draw_pipes
+# define HACK_RESHAPE                          reshape_pipes
 # define pipes_opts                                    xlockmore_opts
 # define DEFAULTS      "*delay:                100     \n"                     \
                                        "*count:                2       \n"                     \
                                        "*cycles:               5       \n"                     \
                                        "*size:                 500     \n"                     \
+                       "*showFPS:      False   \n"                 \
+                       "*fpsSolid:     True    \n"                 \
                                        "*fisheye:              True    \n"                     \
                                        "*tightturns:   False   \n"                     \
-                                       "*rotatepipes:  True    \n"                     \
-                                       "*noBuffer:             True    \n"
+                                       "*rotatepipes:  True    \n"
 # include "xlockmore.h"                                /* from the xscreensaver distribution */
 #else  /* !STANDALONE */
 # include "xlock.h"                                    /* from the xlockmore distribution */
@@ -116,11 +115,7 @@ ModeSpecOpt pipes_opts =
 #ifdef USE_MODULES
 ModStruct   pipes_description =
 {"pipes", "init_pipes", "draw_pipes", "release_pipes",
-#if defined( MESA ) && defined( SLOW )
  "draw_pipes",
-#else
- "change_pipes",
-#endif
  "change_pipes", NULL, &pipes_opts,
  1000, 2, 5, 500, 4, 1.0, "",
  "Shows a selfbuilding pipe system", 0, NULL};
@@ -148,9 +143,8 @@ ModStruct   pipes_description =
 /*************************************************************************/
 
 typedef struct {
-#if defined( MESA ) && defined( SLOW )
        int         flip;
-#endif
+
        GLint       WindH, WindW;
        int         Cells[HCELLS][VCELLS][HCELLS];
        int         usedcolors[DEFINEDCOLORS];
@@ -494,8 +488,8 @@ MakeShape(ModeInfo * mi, int newdir)
        }
 }
 
-static void
-reshape(ModeInfo * mi, int width, int height)
+void
+reshape_pipes(ModeInfo * mi, int width, int height)
 {
        pipesstruct *pp = &pipes[MI_SCREEN(mi)];
 
@@ -505,6 +499,8 @@ reshape(ModeInfo * mi, int width, int height)
        /*glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 15.0); */
        gluPerspective(65.0, (GLfloat) width / (GLfloat) height, 0.1, 20.0);
        glMatrixMode(GL_MODELVIEW);
+
+  glClear(GL_COLOR_BUFFER_BIT);
 }
 
 static void
@@ -639,8 +635,11 @@ init_pipes(ModeInfo * mi)
        pp->window = MI_WINDOW(mi);
        if ((pp->glx_context = init_GL(mi)) != NULL) {
 
-               reshape(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
-               pp->initial_rotation = -10.0;
+               reshape_pipes(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
+               if (rotatepipes)
+                 pp->initial_rotation = NRAND(180); /* jwz */
+               else
+                 pp->initial_rotation = -10.0;
                pinit(mi, 1);
 
                if (factory > 0) {
@@ -696,13 +695,6 @@ draw_pipes(ModeInfo * mi)
        if (!pp->glx_context)
                return;
 
-       glXMakeCurrent(display, window, *(pp->glx_context));
-
-#if defined( MESA ) && defined( SLOW )
-       glDrawBuffer(GL_BACK);
-#else
-       glDrawBuffer(GL_FRONT);
-#endif
        glPushMatrix();
 
        glTranslatef(0.0, 0.0, fisheye ? -3.8 : -4.8);
@@ -733,9 +725,7 @@ draw_pipes(ModeInfo * mi)
                glTranslatef((pp->PX - 16) / 3.0 * 4.0, (pp->PY - 12) / 3.0 * 4.0, (pp->PZ - 16) / 3.0 * 4.0);
                /* Finish the system with another sphere */
                mySphere(0.6);
-#if defined( MESA ) && defined( SLOW )
-               glXSwapBuffers(display, window);
-#endif
+
                glPopMatrix();
 
                /* If the maximum number of system was drawn, restart (clearing the screen), */
@@ -971,11 +961,9 @@ draw_pipes(ModeInfo * mi)
 
        glFlush();
 
-#if defined( MESA ) && defined( SLOW )
-       pp->flip = !pp->flip;
-       if (pp->flip)
-               glXSwapBuffers(display, window);
-#endif
+    glXSwapBuffers(display, window);
+
+    if (mi->fps_p) do_fps (mi);
 }
 
 void