--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TaskManager/Test/simple_pack/fb.cpp	Tue Feb 19 15:49:40 2008 +0900
@@ -0,0 +1,73 @@
+#include <iostream>
+#include <SDL.h>
+#include <SDL_opengl.h>
+#include <math.h>
+#include <unistd.h>
+#include "polygon.h"
+#include "viewer.h"
+#include "sys.h"
+using namespace std;
+
+void cleanup_fbdev() {
+  munmap(fbptr, screensize);
+  close(fd_framebuffer);
+}
+
+void send_current_error_msg(char *ptr) {
+  fprintf( stderr, "%s\n", ptr);
+}
+
+void send_current_information(char *ptr) {
+  fprintf( stdout, "%s\n", ptr);
+}
+
+int get_fbdev_addr(void) {
+  struct fb_var_screeninfo vinfo;
+  struct fb_fix_screeninfo finfo;
+  char tmp[DIV_BYTE*10];
+
+  int xres,yres, vbpp, line_len;
+
+  /* open the file only for read */
+  fd_framebuffer = open( DEVICE_NAME, O_RDWR);
+  if( !fd_framebuffer ) {
+    send_current_error_msg("Framebuffer device open error\n");
+    exit(1);
+  }
+  send_current_information("The framebuffer device was opened\n");
+
+  /* Get the fixed screen info */
+  if( ioctl( fd_framebuffer, FBIOGET_FSCREENINFO, &finfo) ) {
+    send_current_error_msg("Fixed information not gotton !");
+    exit(2);
+  }
+
+  /* Get the flucture screen info */
+  if( ioctl( fd_framebuffer, FBIOGET_VSCREENINFO, &vinfo) ) {
+    send_current_error_msg("Variable information not gotton !");
+    exit(3);
+  }
+
+  xres = vinfo.xres;
+  yres = vinfo.yres;
+  vbpp = vinfo.bits_per_pixel;
+  line_len = finfo.line_length;
+  sprintf( tmp, "%d(pixel)x%d(line), %dbpp(bits per pixel)", xres, yres, vbpp);
+  send_current_information( tmp );
+
+  /* calcurate screen size per byte */
+  screensize = xres * yres * vbpp / DIV_BYTE;
+
+  /* mapping device to memory */
+  fbptr = (char *)mmap(0,screensize, PROT_READ | PROT_WRITE, MAP_SHARED, fd_framebuffer, 0);
+  if( (int)fbptr == -1) {
+    send_current_error_msg("Don't get framebuffer device to memory !");
+    exit(4);
+  }
+  send_current_information("The framebuffer device was mapped !");
+
+  printf("fbptr:%x\n",(unsigned int)fbptr);
+  //munmap(fbptr, screensize);
+  //close(fd_framebuffer);
+  return (unsigned int)fbptr;
+}