diff options
author | nishi <nishi@vegaa.systems> | 2023-07-07 23:40:27 +0000 |
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committer | nishi <nishi@vegaa.systems> | 2023-07-07 23:40:27 +0000 |
commit | d963772c6633a0610898aaba2ae90d461e8f2de8 (patch) | |
tree | 64d9e0a7b09b205d5f42011aa2bfe88e321f706d /sys/include/dev |
should be working, should be
git-svn-id: https://svn.vegaa.systems/svn/vega-Vega/trunk@7 a8a8aea2-181d-ee11-89e8-15fd0e089fc4
Diffstat (limited to 'sys/include/dev')
-rw-r--r-- | sys/include/dev/video/fbdev.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/sys/include/dev/video/fbdev.h b/sys/include/dev/video/fbdev.h new file mode 100644 index 0000000..23cc10a --- /dev/null +++ b/sys/include/dev/video/fbdev.h @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2023 Ian Marco Moffett and the VegaOS team. + * 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. + * 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. + * 3. Neither the name of VegaOS nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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. + */ + +/* $Id$ */ + +#ifndef _FBDEV_H_ +#define _FBDEV_H_ + +#include <sys/types.h> + +struct fbdev { + void *mem; + uint32_t width; + uint32_t height; + uint32_t pitch; +}; + +static inline size_t +fbdev_get_index(const struct fbdev *fbdev, uint32_t x, uint32_t y) +{ + return x + y * (fbdev->pitch/4); +} + +struct fbdev fbdev_get_front(void); + +#endif /* !_FBDEV_H_ */ |