--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Renderer/Engine/fb.h	Mon Oct 12 09:39:35 2009 +0900
@@ -0,0 +1,101 @@
+#ifndef FB_H
+#define FB_H
+
+#if defined(__linux__)
+
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <linux/fb.h>
+#include <linux/fs.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <stdlib.h>
+#include <iostream>
+using namespace std;
+
+#define DEVICE_NAME "/dev/fb0"
+#define DIV_BYTE 8
+
+/* function prototype */
+void send_current_error_msg(const char *ptr);
+void send_current_information(const char *ptr);
+
+/*
+    Don't put real function in a header...
+ */
+
+int get_fbdev_addr(void)
+{
+	int fd_framebuffer ;
+	struct fb_var_screeninfo vinfo;
+	struct fb_fix_screeninfo finfo;
+	long int screensize ;
+	//long int location;
+	char *fbptr ;
+	char tmp[DIV_BYTE*10];
+
+	//int x , y ;
+	int xres,yres,vbpp,line_len;
+	//unsigned short tcolor ;
+
+	/* 読み書き用にファイルを開く */
+	fd_framebuffer = open( DEVICE_NAME , O_RDWR);
+	if ( !fd_framebuffer ) {
+	    send_current_error_msg("Framebuffer device open error !");
+	    exit(1);
+	}
+	send_current_information("The framebuffer device was opened !");
+	
+	/* 固定スクリーン情報取得 */
+	if ( ioctl( fd_framebuffer , FBIOGET_FSCREENINFO , &finfo ) ) {
+	    send_current_error_msg("Fixed information not gotton !");
+	    exit(2);
+	}
+
+	/* 変動スクリーン情報取得 */
+	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 );
+
+	/* バイト単位でのスクリーンのサイズを計算 */
+	screensize = xres * yres * vbpp / DIV_BYTE ;
+
+	/* デバイスをメモリにマップする */
+	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("fb: 0x%x \n", (unsigned int)fbptr);
+	return (int)fbptr;
+	//munmap(fbptr,screensize);
+	//close(fd_framebuffer);
+	//return 0;
+}
+
+void send_current_error_msg(const char *ptr)
+{
+    fprintf( stderr , "%s\n" , ptr );
+}
+
+void send_current_information(const char *ptr)
+{
+    fprintf( stdout , "%s\n" , ptr );
+}
+#else /* !defined(__linux__) */
+int get_fbdev_addr(void) {return 0;}
+#endif /* defined(__linux__) */
+
+extern int get_fbdev_addr(void);
+
+#endif