Serenity Operating System
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1/* 2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#pragma once 28 29#include <sys/cdefs.h> 30#include <sys/ioctl.h> 31 32__BEGIN_DECLS 33 34int fb_get_size_in_bytes(int fd, size_t* out) 35{ 36 return ioctl(fd, FB_IOCTL_GET_SIZE_IN_BYTES, out); 37} 38 39int fb_get_resolution(int fd, FBResolution* info) 40{ 41 return ioctl(fd, FB_IOCTL_GET_RESOLUTION, info); 42} 43 44int fb_set_resolution(int fd, FBResolution* info) 45{ 46 return ioctl(fd, FB_IOCTL_SET_RESOLUTION, info); 47} 48 49int fb_get_buffer(int fd, int* index) 50{ 51 return ioctl(fd, FB_IOCTL_GET_BUFFER, index); 52} 53 54int fb_set_buffer(int fd, int index) 55{ 56 return ioctl(fd, FB_IOCTL_SET_BUFFER, index); 57} 58 59__END_DECLS