summaryrefslogtreecommitdiffstats
path: root/hacks/glx/b_lockglue.c
diff options
context:
space:
mode:
authorSimon Rettberg2018-10-16 10:08:48 +0200
committerSimon Rettberg2018-10-16 10:08:48 +0200
commitd3a98cf6cbc3bd0b9efc570f58e8812c03931c18 (patch)
treecbddf8e50f35a9c6e878a5bfe3c6d625d99e12ba /hacks/glx/b_lockglue.c
downloadxscreensaver-d3a98cf6cbc3bd0b9efc570f58e8812c03931c18.tar.gz
xscreensaver-d3a98cf6cbc3bd0b9efc570f58e8812c03931c18.tar.xz
xscreensaver-d3a98cf6cbc3bd0b9efc570f58e8812c03931c18.zip
Original 5.40
Diffstat (limited to 'hacks/glx/b_lockglue.c')
-rw-r--r--hacks/glx/b_lockglue.c240
1 files changed, 240 insertions, 0 deletions
diff --git a/hacks/glx/b_lockglue.c b/hacks/glx/b_lockglue.c
new file mode 100644
index 0000000..1bb1e67
--- /dev/null
+++ b/hacks/glx/b_lockglue.c
@@ -0,0 +1,240 @@
+#if 0
+static const char sccsid[] = "@(#)b_lockglue.c 4.11 98/06/16 xlockmore";
+#endif
+
+/*-
+ * BUBBLE3D (C) 1998 Richard W.M. Jones.
+ * b_lockglue.c: Glue to make this all work with xlockmore.
+ */
+
+#include "bubble3d.h"
+
+/* XXX This lot should eventually be made configurable using the
+ * options stuff below.
+ */
+struct glb_config glb_config =
+{
+ 0, /* transparent_p */
+#if GLB_SLOW_GL
+ 2, /* subdivision_depth */
+#else
+ 3, /* subdivision_depth */
+#endif
+ 5, /* nr_nudge_axes */
+ 0.01, /* nudge_angle_factor */
+ 0.20, /* nudge_factor */
+ 0.1, /* rotation_factor */
+ 8, /* create_bubbles_every */
+ 8, /* max_bubbles */
+ {0.7, 0.8, 0.9, 1.0}, /* p_bubble_group */
+ 0.5, /* max_size */
+ 0.1, /* min_size */
+ 0.03, /* max_speed */
+ 0.005, /* min_speed */
+ 1.5, /* scale_factor */
+ -4, /* screen_bottom */
+ 4, /* screen_top */
+ {0.0, 0.0, 0.7, 0.3} /* bubble_colour */
+};
+
+#ifdef STANDALONE
+# define DEFAULTS "*delay: 10000 \n" \
+ "*showFPS: False \n"
+
+# define release_bubble3d 0
+# define bubble3d_handle_event xlockmore_no_events
+#include "xlockmore.h"
+#else
+#include "xlock.h"
+#include "vis.h"
+#endif
+
+#ifdef USE_GL
+
+
+#define DEF_TRANSPARENT "True"
+#define DEF_BUBBLECOLOR "random"
+
+static Bool transparent_p;
+static char *bubble_color_str;
+
+#undef countof
+#define countof(x) (sizeof((x))/sizeof((*x)))
+
+static XrmOptionDescRec opts[] = {
+ { "-transparent", ".transparent", XrmoptionNoArg, "True" },
+ { "+transparent", ".transparent", XrmoptionNoArg, "False" },
+ { "-color", ".bubblecolor", XrmoptionSepArg, 0 },
+};
+
+static argtype vars[] = {
+ {&transparent_p, "transparent", "Transparent", DEF_TRANSPARENT, t_Bool},
+ {&bubble_color_str, "bubblecolor", "BubbleColor", DEF_BUBBLECOLOR, t_String},
+};
+
+ENTRYPOINT ModeSpecOpt bubble3d_opts = {countof(opts), opts, countof(vars), vars, NULL};
+
+#ifdef USE_MODULES
+ModStruct bubbles3d_description =
+{"bubbles3d",
+ "init_bubble3d",
+ "draw_bubble3d",
+ NULL,
+ "change_bubble3d",
+ "init_bubble3d",
+ "free_bubble3d",
+ &bubble3d_opts,
+ 1000, 1, 2, 1, 64, 1.0, "",
+ "Richard Jones's GL bubbles",
+ 0,
+ NULL
+};
+
+#endif /* USE_MODULES */
+
+struct context {
+ GLXContext *glx_context;
+ void *draw_context;
+};
+
+static struct context *contexts = 0;
+
+static void
+parse_color (ModeInfo *mi, const char *name, const char *s, GLfloat *a)
+{
+ XColor c;
+
+ if (! XParseColor (MI_DISPLAY(mi), MI_COLORMAP(mi), s, &c))
+ {
+ fprintf (stderr, "%s: can't parse %s color %s", progname, name, s);
+ exit (1);
+ }
+ a[0] = c.red / 65536.0;
+ a[1] = c.green / 65536.0;
+ a[2] = c.blue / 65536.0;
+}
+
+static void
+init_colors(ModeInfo *mi)
+{
+ if (strncasecmp(bubble_color_str, "auto", strlen("auto")) == 0) {
+ glb_config.bubble_colour[0] = ((float) (NRAND(100)) / 100.0);
+ glb_config.bubble_colour[1] = ((float) (NRAND(100)) / 100.0);
+ /* I keep more blue */
+ glb_config.bubble_colour[2] = ((float) (NRAND(50)) / 100.0) + 0.50;
+ } else if (strncasecmp(bubble_color_str, "random", strlen("random")) == 0) {
+ glb_config.bubble_colour[0] = -1.0;
+ } else {
+ parse_color(mi, "bubble", bubble_color_str, glb_config.bubble_colour);
+ }
+}
+
+static void
+init(struct context *c)
+{
+ glb_config.transparent_p = transparent_p;
+ glb_sphere_init();
+ c->draw_context = glb_draw_init();
+}
+
+ENTRYPOINT void
+reshape_bubble3d(ModeInfo *mi, int width, int height)
+{
+ double h = (GLfloat) height / (GLfloat) width;
+
+ if (width > height * 5) { /* tiny window: show middle */
+ height = width * 9/16;
+ h = height / (GLfloat) width;
+ }
+ glViewport(0, 0, width, height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(45, 1/h, 3, 8);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0, 0, -5);
+}
+
+static void
+do_display(struct context *c)
+{
+ glb_draw_step(c->draw_context);
+}
+
+ENTRYPOINT void
+init_bubble3d(ModeInfo * mi)
+{
+ Display *display = MI_DISPLAY(mi);
+ Window window = MI_WINDOW(mi);
+ int screen = MI_SCREEN(mi);
+ struct context *c;
+
+ MI_INIT (mi, contexts);
+ c = &contexts[screen];
+ c->glx_context = init_GL(mi);
+ init_colors(mi);
+ if (c->glx_context != 0) {
+ init(c);
+ reshape_bubble3d(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
+ do_display(c);
+ glFinish();
+ glXSwapBuffers(display, window);
+ } else
+ MI_CLEARWINDOW(mi);
+}
+
+ENTRYPOINT void
+draw_bubble3d(ModeInfo * mi)
+{
+ struct context *c = &contexts[MI_SCREEN(mi)];
+ Display *display = MI_DISPLAY(mi);
+ Window window = MI_WINDOW(mi);
+
+ MI_IS_DRAWN(mi) = True;
+
+ if (!c->glx_context)
+ return;
+
+ glXMakeCurrent(display, window, *(c->glx_context));
+
+ glb_config.polygon_count = 0;
+ glPushMatrix();
+
+# 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);
+ glRotatef(o, 0, 0, 1);
+ }
+# endif
+
+ do_display(c);
+ glPopMatrix();
+ mi->polygon_count = glb_config.polygon_count;
+
+ if (mi->fps_p) do_fps (mi);
+ glFinish();
+ glXSwapBuffers(display, window);
+}
+
+#ifndef STANDALONE
+ENTRYPOINT void
+change_bubble3d(ModeInfo * mi)
+{
+ /* nothing */
+}
+#endif /* !STANDALONE */
+
+ENTRYPOINT void
+free_bubble3d(ModeInfo * mi)
+{
+ struct context *c = &contexts[MI_SCREEN(mi)];
+ if (c->draw_context)
+ glb_draw_end(c->draw_context);
+}
+
+XSCREENSAVER_MODULE ("Bubble3D", bubble3d)
+
+#endif /* USE_GL */