2 files changed, 139 insertions, 0 deletions

diff --git a/sys/modules/syscons/fire/Makefile b/sys/modules/syscons/fire/Makefile
new file mode 100644
index 000000000000..e078f2cbfaea
--- /dev/null
+++ b/sys/modules/syscons/fire/Makefile
@@ -0,0 +1,9 @@
+
+KMOD=	fire_saver
+SRCS= 	fire_saver.c
+
+NOMAN=
+CFLAGS+= -I${.CURDIR}/..
+CWARNFLAGS= -Wall -pedantic
+
+.include <bsd.kmod.mk>
diff --git a/sys/modules/syscons/fire/fire_saver.c b/sys/modules/syscons/fire/fire_saver.c
new file mode 100644
index 000000000000..7c59d9ec65dd
--- /dev/null
+++ b/sys/modules/syscons/fire/fire_saver.c
@@ -0,0 +1,130 @@
+/*-
+ * Copyright (c) 1999 Brad Forschinger
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer,
+ *    without modification, immediately at the beginning of the file.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *	$Id$
+ */
+
+/*
+ * brad forschinger, 19990504
+ * <retch@flag.blackened.net>
+ * 
+ * written with much help from warp_saver.c
+ * 
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/syslog.h>
+
+#include <machine/md_var.h>
+#include <machine/random.h>
+
+#include <saver.h>
+
+#define X_SIZE 320
+#define Y_SIZE 200
+
+int blanked;
+u_char fire_pal[768];
+u_char buf[X_SIZE * (Y_SIZE + 1)];
+
+int fire_saver(video_adapter_t *adp, int blank) {
+  static u_char *vid;
+  int x, y;
+
+  if (blank) {
+    if (blanked <= 0) {
+      int red, green, blue;
+      int palette_index;
+      
+      set_video_mode(adp, M_VGA_CG320);
+      
+      /* build palette */
+      red = green = blue = 0;
+      for (palette_index = 0; palette_index < 256; palette_index++) {
+
+	red++;
+	if (red > 128)
+	  green += 2;
+	
+	fire_pal[(palette_index * 3) + 0] = red;
+	fire_pal[(palette_index * 3) + 1] = green;
+	fire_pal[(palette_index * 3) + 2] = blue;
+      }
+      load_palette(adp, fire_pal);
+      
+      blanked++;
+      vid = (u_char *)adp->va_window;
+    }
+    
+    /* make a new bottom line */
+    for (x = 0, y = Y_SIZE; x < X_SIZE; x++) 
+      buf[x + (y * X_SIZE)] = random() % 160 + 96;
+  
+    /* fade the flames out */
+    for (y = 0; y < Y_SIZE; y++) {
+      for (x = 0; x < X_SIZE; x++) {
+	buf[x + (y * X_SIZE)] = (buf[(x + 0) + ((y + 0) * X_SIZE)] +
+				 buf[(x - 1) + ((y + 1) * X_SIZE)] +
+				 buf[(x + 0) + ((y + 1) * X_SIZE)] +
+				 buf[(x + 1) + ((y + 1) * X_SIZE)]) / 4;
+	if (buf[x + (y * X_SIZE)] > 0)
+	  buf[x + (y * X_SIZE)]--;
+      }
+    }
+    
+    /* put our buffer into video ram */
+    memcpy(vid, buf, X_SIZE * Y_SIZE);
+  } else {
+    blanked = 0;
+  }
+  
+  return(0);
+}
+
+int fire_initialise(video_adapter_t *adp) {
+  video_info_t info;
+  
+  if (get_mode_info(adp, M_VGA_CG320, &info)) {
+    log(LOG_NOTICE, "fire_saver: the console does not support M_VGA_CG320\n");
+    return(ENODEV);
+  } 
+  
+  blanked = 0;    
+  
+  return(0);
+}
+  
+int fire_terminate(video_adapter_t *adp) {
+  return(0);
+}
+
+static scrn_saver_t fire_module = {
+  "fire_saver", fire_initialise, fire_terminate, fire_saver, NULL
+};
+
+SAVER_MODULE(fire_saver, fire_module);