/* * grabfb.c - Grab the Ben's main frame buffer * * Written 2011 by Werner Almesberger * Copyright 2011 Werner Almesberger * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #include #include #include "ubb-vga.h" void grabfb(void **f, int xres, int yres) { uint32_t *fb = map(0x01d00000, 4*320*240); uint8_t *p, *q; int x, y; uint32_t pix; uint8_t r, g, b; assert(xres == 640); assert(yres == 480); for (y = 0; y != 240; y++) { p = f[y*2]; q = f[y*2+1]; for (x = 0; x != 320; x++) { pix = *fb++; r = pix >> 16; g = pix >> 8; b = pix; *p = *q = ccube_map(r, g, b)*0x11; p++; q++; } } }