ba67e2c635
* include/grub/video_fb.h (grub_video_fb_doublebuf_update_screen_t): Move from here ... * grub-core/video/fb/video_fb.c (grub_video_fb_doublebuf_update_screen_t): ... here. Remove arguments. * grub-core/video/fb/video_fb.c (framebuf_t): New type. (front_target): Remove front_target. Add pages. (grub_video_fb_init): Skip setting front_pages. (grub_video_fb_fini): Likewise. (doublebuf_blit_update_screen): Use pages. (grub_video_fb_doublebuf_blit_init): Likewise. (doublebuf_pageflipping_init): Allocate offscreen buffer. (doublebuf_pageflipping_update_screen): Use offscreen buffer. (grub_video_fb_setup): Prefer doublebuffing.
132 lines
4.2 KiB
C
132 lines
4.2 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2005,2006,2007,2008 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_VIDEO_FB_HEADER
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#define GRUB_VIDEO_FB_HEADER 1
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#include <grub/symbol.h>
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#include <grub/types.h>
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#include <grub/err.h>
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#include <grub/video.h>
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/* FB module internal prototype (should not be used from elsewhere). */
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struct grub_video_fbblit_info;
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struct grub_video_fbrender_target;
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#define GRUB_VIDEO_FBSTD_NUMCOLORS 16
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extern struct grub_video_palette_data grub_video_fbstd_colors[GRUB_VIDEO_FBSTD_NUMCOLORS];
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grub_err_t
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grub_video_fb_init (void);
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grub_err_t
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grub_video_fb_fini (void);
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grub_err_t
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grub_video_fb_get_info (struct grub_video_mode_info *mode_info);
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grub_err_t
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grub_video_fb_get_palette (unsigned int start, unsigned int count,
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struct grub_video_palette_data *palette_data);
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grub_err_t
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grub_video_fb_set_palette (unsigned int start, unsigned int count,
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struct grub_video_palette_data *palette_data);
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grub_err_t
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grub_video_fb_set_viewport (unsigned int x, unsigned int y,
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unsigned int width, unsigned int height);
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grub_err_t
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grub_video_fb_get_viewport (unsigned int *x, unsigned int *y,
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unsigned int *width, unsigned int *height);
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grub_video_color_t
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grub_video_fb_map_color (grub_uint32_t color_name);
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grub_video_color_t
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grub_video_fb_map_rgb (grub_uint8_t red, grub_uint8_t green,
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grub_uint8_t blue);
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grub_video_color_t
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grub_video_fb_map_rgba (grub_uint8_t red, grub_uint8_t green,
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grub_uint8_t blue, grub_uint8_t alpha);
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grub_err_t
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grub_video_fb_unmap_color (grub_video_color_t color,
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grub_uint8_t *red, grub_uint8_t *green,
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grub_uint8_t *blue, grub_uint8_t *alpha);
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void
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grub_video_fb_unmap_color_int (struct grub_video_fbblit_info * source,
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grub_video_color_t color,
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grub_uint8_t *red, grub_uint8_t *green,
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grub_uint8_t *blue, grub_uint8_t *alpha);
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grub_err_t
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grub_video_fb_fill_rect (grub_video_color_t color, int x, int y,
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unsigned int width, unsigned int height);
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grub_err_t
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grub_video_fb_blit_bitmap (struct grub_video_bitmap *bitmap,
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enum grub_video_blit_operators oper, int x, int y,
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int offset_x, int offset_y,
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unsigned int width, unsigned int height);
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grub_err_t
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grub_video_fb_blit_render_target (struct grub_video_fbrender_target *source,
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enum grub_video_blit_operators oper,
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int x, int y, int offset_x, int offset_y,
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unsigned int width, unsigned int height);
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grub_err_t
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grub_video_fb_scroll (grub_video_color_t color, int dx, int dy);
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grub_err_t
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grub_video_fb_create_render_target (struct grub_video_fbrender_target **result,
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unsigned int width, unsigned int height,
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unsigned int mode_type __attribute__ ((unused)));
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grub_err_t
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grub_video_fb_create_render_target_from_pointer (struct grub_video_fbrender_target **result,
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const struct grub_video_mode_info *mode_info,
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void *ptr);
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grub_err_t
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grub_video_fb_delete_render_target (struct grub_video_fbrender_target *target);
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grub_err_t
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grub_video_fb_get_active_render_target (struct grub_video_fbrender_target **target);
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grub_err_t
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grub_video_fb_set_active_render_target (struct grub_video_fbrender_target *target);
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typedef grub_err_t (*grub_video_fb_set_page_t) (int page);
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grub_err_t
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grub_video_fb_setup (unsigned int mode_type, unsigned int mode_mask,
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struct grub_video_mode_info *mode_info,
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volatile void *page0_ptr,
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grub_video_fb_set_page_t set_page_in,
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volatile void *page1_ptr);
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grub_err_t
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grub_video_fb_swap_buffers (void);
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grub_err_t
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grub_video_fb_get_info_and_fini (struct grub_video_mode_info *mode_info,
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void **framebuf);
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#endif /* ! GRUB_VIDEO_FB_HEADER */
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