1*31fa2c1cSJocelyn Falempe /* SPDX-License-Identifier: GPL-2.0 or MIT */
2*31fa2c1cSJocelyn Falempe /*
3*31fa2c1cSJocelyn Falempe * Copyright (c) 2023 Red Hat.
4*31fa2c1cSJocelyn Falempe * Author: Jocelyn Falempe <jfalempe@redhat.com>
5*31fa2c1cSJocelyn Falempe */
6*31fa2c1cSJocelyn Falempe
7*31fa2c1cSJocelyn Falempe #ifndef __DRM_DRAW_INTERNAL_H__
8*31fa2c1cSJocelyn Falempe #define __DRM_DRAW_INTERNAL_H__
9*31fa2c1cSJocelyn Falempe
10*31fa2c1cSJocelyn Falempe #include <linux/font.h>
11*31fa2c1cSJocelyn Falempe #include <linux/types.h>
12*31fa2c1cSJocelyn Falempe
13*31fa2c1cSJocelyn Falempe struct iosys_map;
14*31fa2c1cSJocelyn Falempe
15*31fa2c1cSJocelyn Falempe /* check if the pixel at coord x,y is 1 (foreground) or 0 (background) */
drm_draw_is_pixel_fg(const u8 * sbuf8,unsigned int spitch,int x,int y)16*31fa2c1cSJocelyn Falempe static inline bool drm_draw_is_pixel_fg(const u8 *sbuf8, unsigned int spitch, int x, int y)
17*31fa2c1cSJocelyn Falempe {
18*31fa2c1cSJocelyn Falempe return (sbuf8[(y * spitch) + x / 8] & (0x80 >> (x % 8))) != 0;
19*31fa2c1cSJocelyn Falempe }
20*31fa2c1cSJocelyn Falempe
drm_draw_get_char_bitmap(const struct font_desc * font,char c,size_t font_pitch)21*31fa2c1cSJocelyn Falempe static inline const u8 *drm_draw_get_char_bitmap(const struct font_desc *font,
22*31fa2c1cSJocelyn Falempe char c, size_t font_pitch)
23*31fa2c1cSJocelyn Falempe {
24*31fa2c1cSJocelyn Falempe return font->data + (c * font->height) * font_pitch;
25*31fa2c1cSJocelyn Falempe }
26*31fa2c1cSJocelyn Falempe
27*31fa2c1cSJocelyn Falempe u32 drm_draw_color_from_xrgb8888(u32 color, u32 format);
28*31fa2c1cSJocelyn Falempe
29*31fa2c1cSJocelyn Falempe void drm_draw_blit16(struct iosys_map *dmap, unsigned int dpitch,
30*31fa2c1cSJocelyn Falempe const u8 *sbuf8, unsigned int spitch,
31*31fa2c1cSJocelyn Falempe unsigned int height, unsigned int width,
32*31fa2c1cSJocelyn Falempe unsigned int scale, u16 fg16);
33*31fa2c1cSJocelyn Falempe
34*31fa2c1cSJocelyn Falempe void drm_draw_blit24(struct iosys_map *dmap, unsigned int dpitch,
35*31fa2c1cSJocelyn Falempe const u8 *sbuf8, unsigned int spitch,
36*31fa2c1cSJocelyn Falempe unsigned int height, unsigned int width,
37*31fa2c1cSJocelyn Falempe unsigned int scale, u32 fg32);
38*31fa2c1cSJocelyn Falempe
39*31fa2c1cSJocelyn Falempe void drm_draw_blit32(struct iosys_map *dmap, unsigned int dpitch,
40*31fa2c1cSJocelyn Falempe const u8 *sbuf8, unsigned int spitch,
41*31fa2c1cSJocelyn Falempe unsigned int height, unsigned int width,
42*31fa2c1cSJocelyn Falempe unsigned int scale, u32 fg32);
43*31fa2c1cSJocelyn Falempe
44*31fa2c1cSJocelyn Falempe void drm_draw_fill16(struct iosys_map *dmap, unsigned int dpitch,
45*31fa2c1cSJocelyn Falempe unsigned int height, unsigned int width,
46*31fa2c1cSJocelyn Falempe u16 color);
47*31fa2c1cSJocelyn Falempe
48*31fa2c1cSJocelyn Falempe void drm_draw_fill24(struct iosys_map *dmap, unsigned int dpitch,
49*31fa2c1cSJocelyn Falempe unsigned int height, unsigned int width,
50*31fa2c1cSJocelyn Falempe u16 color);
51*31fa2c1cSJocelyn Falempe
52*31fa2c1cSJocelyn Falempe void drm_draw_fill32(struct iosys_map *dmap, unsigned int dpitch,
53*31fa2c1cSJocelyn Falempe unsigned int height, unsigned int width,
54*31fa2c1cSJocelyn Falempe u32 color);
55*31fa2c1cSJocelyn Falempe
56*31fa2c1cSJocelyn Falempe #endif /* __DRM_DRAW_INTERNAL_H__ */
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