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/*
* uterm - Linux User-Space Terminal fbdev module
*
* Copyright (c) 2011-2013 David Herrmann <dh.herrmann@googlemail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/* Internal definitions */
#ifndef UTERM_FBDEV_INTERNAL_H
#define UTERM_FBDEV_INTERNAL_H
#include <inttypes.h>
#include <limits.h>
#include <linux/fb.h>
#include <stdbool.h>
#include <stdlib.h>
#include "uterm_video.h"
struct fbdev_mode {
unsigned int width;
unsigned int height;
};
struct fbdev_display {
int fd;
struct fb_fix_screeninfo finfo;
struct fb_var_screeninfo vinfo;
unsigned int rate;
const char *node;
unsigned int bufid;
size_t xres;
size_t yres;
size_t len;
uint8_t *map;
unsigned int stride;
bool xrgb32;
bool rgb16;
unsigned int Bpp;
unsigned int off_r;
unsigned int off_g;
unsigned int off_b;
unsigned int len_r;
unsigned int len_g;
unsigned int len_b;
int_fast32_t dither_r;
int_fast32_t dither_g;
int_fast32_t dither_b;
};
struct fbdev_video {
char *node;
bool pending_intro;
};
int uterm_fbdev_display_blit(struct uterm_display *disp,
const struct uterm_video_buffer *buf,
unsigned int x, unsigned int y);
int uterm_fbdev_display_fake_blendv(struct uterm_display *disp,
const struct uterm_video_blend_req *req,
size_t num);
int uterm_fbdev_display_fill(struct uterm_display *disp,
uint8_t r, uint8_t g, uint8_t b,
unsigned int x, unsigned int y,
unsigned int width, unsigned int height);
#endif /* UTERM_FBDEV_INTERNAL_H */
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