1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/* SPDX-License-Identifier: MIT */
#ifndef FB_H
#define FB_H
#include "types.h"
#define FB_DEPTH_FLAG_RETINA 0x10000
typedef struct {
u32 *ptr; /* pointer to the start of the framebuffer */
u32 *hwptr; /* pointer to the start of the real framebuffer */
u32 stride; /* framebuffer stride divided by four (i.e. stride in pixels) */
u32 depth; /* framebuffer depth (i.e. bits per pixel) */
u32 width; /* width of the framebuffer in pixels */
u32 height; /* height of the framebuffer in pixels */
u32 size; /* size of the framebuffer in bytes */
} fb_t;
typedef struct {
u8 r;
u8 g;
u8 b;
} rgb_t;
typedef enum {
PIX_FMT_XRGB,
PIX_FMT_XBGR,
} pix_fmt_t;
extern fb_t fb;
static inline rgb_t int2rgb(u32 c)
{
return (rgb_t){c >> 16, c >> 8, c};
}
void fb_init(bool clear);
void fb_shutdown(bool restore_logo);
void fb_reinit(void);
void fb_update(void);
void fb_set_active(bool active);
void fb_blit(u32 x, u32 y, u32 w, u32 h, void *data, u32 stride, pix_fmt_t format);
void fb_unblit(u32 x, u32 y, u32 w, u32 h, void *data, u32 stride);
void fb_fill(u32 x, u32 y, u32 w, u32 h, rgb_t color);
void fb_clear(rgb_t color);
void fb_display_logo(void);
void fb_restore_logo(void);
void fb_improve_logo(void);
void fb_console_scroll(u32 n);
void fb_console_reserve_lines(u32 n);
ssize_t fb_console_write(const char *bfr, size_t len);
#endif
|
