# define DEFAULTS "*delay: 20000 \n" \
"*showFPS: False \n" \
"*wireframe: False \n" \
+ "*suppressRotationAnimation: True\n" \
-# define refresh_gasket 0
+# define release_gasket 0
# include "xlockmore.h" /* from the xscreensaver distribution */
#else /* !STANDALONE */
# include "xlock.h" /* from the xlockmore distribution */
#ifdef USE_MODULES
ModStruct gasket_description =
-{"gasket", "init_gasket", "draw_gasket", "release_gasket",
- "draw_gasket", "init_gasket", NULL, &gasket_opts,
+{"gasket", "init_gasket", "draw_gasket", NULL,
+ "draw_gasket", "init_gasket", "free_gasket", &gasket_opts,
1000, 1, 2, 1, 4, 1.0, "",
"Shows GL's Sierpinski gasket", 0, NULL};
reshape_gasket(ModeInfo *mi, int width, int height)
{
GLfloat h = (GLfloat) height / (GLfloat) width;
+ int y = 0;
- glViewport(0, 0, (GLint) width, (GLint) height);
+ if (width > height * 5) { /* tiny window: show middle */
+ height = width * 9/16;
+ y = -height/2;
+ h = height / (GLfloat) width;
+ }
+
+ glViewport(0, y, (GLint) width, (GLint) height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective (30.0, 1/h, 1.0, 100.0);
0.0, 0.0, 0.0,
0.0, 1.0, 0.0);
+# ifdef HAVE_MOBILE /* Keep it the same relative size when rotated. */
+ {
+ int o = (int) current_device_rotation();
+ if (o != 0 && o != 180 && o != -180)
+ glScalef (1/h, 1/h, 1/h);
+ }
+# endif
+
glClear(GL_COLOR_BUFFER_BIT);
}
int screen = MI_SCREEN(mi);
gasketstruct *gp;
- if (gasket == NULL)
- {
- if ((gasket = (gasketstruct *) calloc(MI_NUM_SCREENS(mi),
- sizeof (gasketstruct))) == NULL)
- return;
- }
+ MI_INIT (mi, gasket);
gp = &gasket[screen];
gp->window = MI_WINDOW(mi);
}
ENTRYPOINT void
-release_gasket(ModeInfo * mi)
+free_gasket(ModeInfo * mi)
{
- if (gasket != NULL)
- {
- int screen;
-
- for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
- {
- gasketstruct *gp = &gasket[screen];
+ gasketstruct *gp = &gasket[MI_SCREEN(mi)];
- if (gp->glx_context)
- {
+ if (gp->glx_context)
+ {
/* Display lists MUST be freed while their glXContext is current. */
- glXMakeCurrent(MI_DISPLAY(mi), gp->window, *(gp->glx_context));
+ glXMakeCurrent(MI_DISPLAY(mi), gp->window, *(gp->glx_context));
- if (glIsList(gp->gasket0)) glDeleteLists(gp->gasket0, 1);
- if (glIsList(gp->gasket1)) glDeleteLists(gp->gasket1, 1);
- if (glIsList(gp->gasket2)) glDeleteLists(gp->gasket2, 1);
- if (glIsList(gp->gasket3)) glDeleteLists(gp->gasket3, 1);
- }
- }
- (void) free((void *) gasket);
- gasket = NULL;
+ if (glIsList(gp->gasket0)) glDeleteLists(gp->gasket0, 1);
+ if (glIsList(gp->gasket1)) glDeleteLists(gp->gasket1, 1);
+ if (glIsList(gp->gasket2)) glDeleteLists(gp->gasket2, 1);
+ if (glIsList(gp->gasket3)) glDeleteLists(gp->gasket3, 1);
}
- FreeAllGL(mi);
}
XSCREENSAVER_MODULE_2 ("Sierpinski3D", sierpinski3d, gasket)