1 /* SPDX-License-Identifier: GPL-2.0 or MIT */ 2 /* 3 * Copyright (c) 2023 Red Hat. 4 * Author: Jocelyn Falempe <jfalempe@redhat.com> 5 */ 6 7 #ifndef __DRM_DRAW_INTERNAL_H__ 8 #define __DRM_DRAW_INTERNAL_H__ 9 10 #include <linux/font.h> 11 #include <linux/types.h> 12 13 struct iosys_map; 14 15 /* check if the pixel at coord x,y is 1 (foreground) or 0 (background) */ 16 static inline bool drm_draw_is_pixel_fg(const u8 *sbuf8, unsigned int spitch, int x, int y) 17 { 18 return (sbuf8[(y * spitch) + x / 8] & (0x80 >> (x % 8))) != 0; 19 } 20 21 static inline const u8 *drm_draw_get_char_bitmap(const struct font_desc *font, 22 char c, size_t font_pitch) 23 { 24 return font->data + (c * font->height) * font_pitch; 25 } 26 27 bool drm_draw_can_convert_from_xrgb8888(u32 format); 28 29 u32 drm_draw_color_from_xrgb8888(u32 color, u32 format); 30 31 void drm_draw_blit16(struct iosys_map *dmap, unsigned int dpitch, 32 const u8 *sbuf8, unsigned int spitch, 33 unsigned int height, unsigned int width, 34 unsigned int scale, u16 fg16); 35 36 void drm_draw_blit24(struct iosys_map *dmap, unsigned int dpitch, 37 const u8 *sbuf8, unsigned int spitch, 38 unsigned int height, unsigned int width, 39 unsigned int scale, u32 fg32); 40 41 void drm_draw_blit32(struct iosys_map *dmap, unsigned int dpitch, 42 const u8 *sbuf8, unsigned int spitch, 43 unsigned int height, unsigned int width, 44 unsigned int scale, u32 fg32); 45 46 void drm_draw_fill16(struct iosys_map *dmap, unsigned int dpitch, 47 unsigned int height, unsigned int width, 48 u16 color); 49 50 void drm_draw_fill24(struct iosys_map *dmap, unsigned int dpitch, 51 unsigned int height, unsigned int width, 52 u32 color); 53 54 void drm_draw_fill32(struct iosys_map *dmap, unsigned int dpitch, 55 unsigned int height, unsigned int width, 56 u32 color); 57 58 #endif /* __DRM_DRAW_INTERNAL_H__ */ 59