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31fa2c1ca0
Move the color conversions, blit and fill functions to drm_draw.c, so that they can be re-used by drm_log. drm_draw is internal to the drm subsystem, and shouldn't be used by gpu drivers. Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20241204160014.1171469-2-jfalempe@redhat.com
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 or MIT */
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/*
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* Copyright (c) 2023 Red Hat.
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* Author: Jocelyn Falempe <jfalempe@redhat.com>
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*/
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#ifndef __DRM_DRAW_INTERNAL_H__
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#define __DRM_DRAW_INTERNAL_H__
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#include <linux/font.h>
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#include <linux/types.h>
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struct iosys_map;
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/* check if the pixel at coord x,y is 1 (foreground) or 0 (background) */
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static inline bool drm_draw_is_pixel_fg(const u8 *sbuf8, unsigned int spitch, int x, int y)
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{
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return (sbuf8[(y * spitch) + x / 8] & (0x80 >> (x % 8))) != 0;
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}
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static inline const u8 *drm_draw_get_char_bitmap(const struct font_desc *font,
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char c, size_t font_pitch)
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{
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return font->data + (c * font->height) * font_pitch;
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}
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u32 drm_draw_color_from_xrgb8888(u32 color, u32 format);
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void drm_draw_blit16(struct iosys_map *dmap, unsigned int dpitch,
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const u8 *sbuf8, unsigned int spitch,
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unsigned int height, unsigned int width,
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unsigned int scale, u16 fg16);
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void drm_draw_blit24(struct iosys_map *dmap, unsigned int dpitch,
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const u8 *sbuf8, unsigned int spitch,
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unsigned int height, unsigned int width,
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unsigned int scale, u32 fg32);
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void drm_draw_blit32(struct iosys_map *dmap, unsigned int dpitch,
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const u8 *sbuf8, unsigned int spitch,
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unsigned int height, unsigned int width,
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unsigned int scale, u32 fg32);
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void drm_draw_fill16(struct iosys_map *dmap, unsigned int dpitch,
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unsigned int height, unsigned int width,
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u16 color);
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void drm_draw_fill24(struct iosys_map *dmap, unsigned int dpitch,
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unsigned int height, unsigned int width,
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u16 color);
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void drm_draw_fill32(struct iosys_map *dmap, unsigned int dpitch,
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unsigned int height, unsigned int width,
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u32 color);
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#endif /* __DRM_DRAW_INTERNAL_H__ */
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