dbfdce36f1
* include/grub/video.h: Added grub_video_unmap_color and
grub_video_get_active_render_target.
(grub_video_adapter): Added unmap_color and get_active_render_target.
* video/video.c: Added grub_video_unmap_color and
grub_video_get_active_render_target.
(grub_video_get_info): Changed method to accept NULL pointer as an
argument to allow detection of active video adapter.
* video/i386/pc/vbe.c: Renamed grub_video_vbe_unmap_color as
grub_video_vbe_unmap_color_int.
Added grub_video_vbe_unmap_color and
grub_video_vbe_get_active_render_target.
(grub_video_vbe_adapter): Added unmap_color and
get_active_render_target.
* video/i386/pc/vbeblit.c: Replaced grub_video_vbe_unmap_color usage
with grub_video_vbe_unmap_color_int.
* term/gfxterm.c (DEFAULT_STANDARD_COLOR): Added.
(DEFAULT_NORMAL_COLOR): Likewise.
(DEFAULT_HIGHLIGHT_COLOR) Likewise.
(DEFAULT_FG_COLOR): Removed.
(DEFAULT_BG_COLOR): Likewise.
(DEFAULT_CURSOR_COLOR): Changed value.
(grub_virtual_screen): Added standard_color_setting,
normal_color_setting, highlight_color_setting and term_color.
(grub_virtual_screen): Removed fg_color_setting and bg_color_setting.
(bitmap_width): Added.
(bitmap_height): Likewise.
(bitmap): Likewise.
(set_term_color): Likewise.
(grub_virtual_screen_setup): Changed to use new terminal coloring
settings.
(grub_gfxterm_init): Added init for bitmap.
(grub_gfxterm_fini): Added destroy for bitmap.
(redraw_screen_rect): Updated to use background bitmap and new
terminal coloring.
(scroll_up): Added optimization for case when there is no bitmap.
(grub_gfxterm_cls): Fixed to use correct background color.
(grub_virtual_screen_setcolorstate): Changed to use new terminal
coloring.
(grub_virtual_screen_setcolor): Likewise.
(grub_virtual_screen_getcolor): Added.
(grub_gfxterm_background_image_cmd): Likewise.
(grub_video_term): Added setcolor and getcolor.
(MOD_INIT): Added registration of background_image command.
(MOD_TERM): Added unregistration for background_image command.
550 lines
16 KiB
C
550 lines
16 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 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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/* SPECIAL NOTES!
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Please note following when reading the code below:
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- In this driver we assume that every memory can be accessed by same memory
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bus. If there are different address spaces do not use this code as a base
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code for other archs.
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- Every function in this code assumes that bounds checking has been done in
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previous phase and they are opted out in here. */
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#include <grub/machine/vbe.h>
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#include <grub/machine/vbeblit.h>
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#include <grub/machine/vbeutil.h>
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#include <grub/misc.h>
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#include <grub/types.h>
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#include <grub/video.h>
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void
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grub_video_i386_vbeblit_R8G8B8A8_R8G8B8A8 (struct grub_video_i386_vbeblit_info *dst,
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struct grub_video_i386_vbeblit_info *src,
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int x, int y, int width, int height,
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int offset_x, int offset_y)
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{
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grub_uint32_t color;
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int i;
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int j;
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grub_uint32_t *srcptr;
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grub_uint32_t *dstptr;
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unsigned int sr;
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unsigned int sg;
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unsigned int sb;
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unsigned int a;
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unsigned int dr;
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unsigned int dg;
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unsigned int db;
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/* We do not need to worry about data being out of bounds
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as we assume that everything has been checked before. */
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for (j = 0; j < height; j++)
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{
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srcptr = (grub_uint32_t *)get_data_ptr (src, offset_x, j + offset_y);
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dstptr = (grub_uint32_t *)get_data_ptr (dst, x, y + j);
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for (i = 0; i < width; i++)
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{
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color = *srcptr++;
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a = color >> 24;
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if (a == 0)
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{
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dstptr++;
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continue;
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}
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if (a == 255)
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{
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*dstptr++ = color;
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continue;
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}
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sr = (color >> 0) & 0xFF;
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sg = (color >> 8) & 0xFF;
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sb = (color >> 16) & 0xFF;
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color = *dstptr;
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dr = (color >> 0) & 0xFF;
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dg = (color >> 8) & 0xFF;
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db = (color >> 16) & 0xFF;
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dr = (dr * (255 - a) + sr * a) / 255;
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dg = (dg * (255 - a) + sg * a) / 255;
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db = (db * (255 - a) + sb * a) / 255;
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color = (a << 24) | (db << 16) | (dg << 8) | dr;
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*dstptr++ = color;
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}
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}
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}
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void
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grub_video_i386_vbeblit_R8G8B8X8_R8G8B8X8 (struct grub_video_i386_vbeblit_info *dst,
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struct grub_video_i386_vbeblit_info *src,
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int x, int y, int width, int height,
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int offset_x, int offset_y)
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{
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int j;
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grub_uint32_t *srcptr;
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grub_uint32_t *dstptr;
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int pitch;
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pitch = src->mode_info->bytes_per_pixel;
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/* We do not need to worry about data being out of bounds
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as we assume that everything has been checked before. */
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for (j = 0; j < height; j++)
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{
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srcptr = (grub_uint32_t *)get_data_ptr (src, offset_x, j + offset_y);
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dstptr = (grub_uint32_t *)get_data_ptr (dst, x, y + j);
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grub_memmove (dstptr, srcptr, width * pitch);
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}
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}
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void
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grub_video_i386_vbeblit_R8G8B8_R8G8B8A8 (struct grub_video_i386_vbeblit_info *dst,
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struct grub_video_i386_vbeblit_info *src,
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int x, int y, int width, int height,
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int offset_x, int offset_y)
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{
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grub_uint32_t color;
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int i;
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int j;
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grub_uint32_t *srcptr;
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grub_uint8_t *dstptr;
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unsigned int sr;
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unsigned int sg;
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unsigned int sb;
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unsigned int a;
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unsigned int dr;
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unsigned int dg;
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unsigned int db;
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/* We do not need to worry about data being out of bounds
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as we assume that everything has been checked before. */
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for (j = 0; j < height; j++)
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{
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srcptr = (grub_uint32_t *)get_data_ptr (src, offset_x, j + offset_y);
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dstptr = (grub_uint8_t *)get_data_ptr (dst, x, y + j);
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for (i = 0; i < width; i++)
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{
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color = *srcptr++;
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a = color >> 24;
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if (a == 0)
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{
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dstptr += 3;
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continue;
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}
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sr = (color >> 0) & 0xFF;
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sg = (color >> 8) & 0xFF;
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sb = (color >> 16) & 0xFF;
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if (a == 255)
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{
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*dstptr++ = sr;
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*dstptr++ = sg;
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*dstptr++ = sb;
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continue;
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}
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dr = dstptr[0];
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dg = dstptr[1];
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db = dstptr[2];
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dr = (dr * (255 - a) + sr * a) / 255;
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dg = (dg * (255 - a) + sg * a) / 255;
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db = (db * (255 - a) + sb * a) / 255;
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*dstptr++ = dr;
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*dstptr++ = dg;
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*dstptr++ = db;
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}
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}
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}
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void
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grub_video_i386_vbeblit_R8G8B8_R8G8B8X8 (struct grub_video_i386_vbeblit_info *dst,
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struct grub_video_i386_vbeblit_info *src,
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int x, int y, int width, int height,
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int offset_x, int offset_y)
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{
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grub_uint32_t color;
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int i;
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int j;
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grub_uint32_t *srcptr;
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grub_uint8_t *dstptr;
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unsigned int sr;
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unsigned int sg;
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unsigned int sb;
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/* We do not need to worry about data being out of bounds
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as we assume that everything has been checked before. */
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for (j = 0; j < height; j++)
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{
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srcptr = (grub_uint32_t *)get_data_ptr (src, offset_x, j + offset_y);
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dstptr = (grub_uint8_t *)get_data_ptr (dst, x, y + j);
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for (i = 0; i < width; i++)
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{
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color = *srcptr++;
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sr = (color >> 0) & 0xFF;
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sg = (color >> 8) & 0xFF;
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sb = (color >> 16) & 0xFF;
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*dstptr++ = sr;
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*dstptr++ = sg;
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*dstptr++ = sb;
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}
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}
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}
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void
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grub_video_i386_vbeblit_index_R8G8B8A8 (struct grub_video_i386_vbeblit_info *dst,
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struct grub_video_i386_vbeblit_info *src,
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int x, int y, int width, int height,
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int offset_x, int offset_y)
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{
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grub_uint32_t color;
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int i;
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int j;
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grub_uint32_t *srcptr;
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grub_uint8_t *dstptr;
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unsigned int sr;
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unsigned int sg;
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unsigned int sb;
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unsigned int a;
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unsigned char dr;
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unsigned char dg;
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unsigned char db;
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unsigned char da;
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/* We do not need to worry about data being out of bounds
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as we assume that everything has been checked before. */
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for (j = 0; j < height; j++)
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{
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srcptr = (grub_uint32_t *)get_data_ptr (src, offset_x, j + offset_y);
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dstptr = (grub_uint8_t *)get_data_ptr (dst, x, y + j);
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for (i = 0; i < width; i++)
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{
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color = *srcptr++;
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a = color >> 24;
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if (a == 0)
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{
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dstptr++;
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continue;
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}
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sr = (color >> 0) & 0xFF;
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sg = (color >> 8) & 0xFF;
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sb = (color >> 16) & 0xFF;
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if (a == 255)
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{
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color = grub_video_vbe_map_rgb(sr, sg, sb);
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*dstptr++ = color & 0xFF;
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continue;
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}
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grub_video_vbe_unmap_color_int (dst, *dstptr, &dr, &dg, &db, &da);
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dr = (dr * (255 - a) + sr * a) / 255;
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dg = (dg * (255 - a) + sg * a) / 255;
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db = (db * (255 - a) + sb * a) / 255;
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color = grub_video_vbe_map_rgb(dr, dg, db);
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*dstptr++ = color & 0xFF;
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}
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}
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}
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void
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grub_video_i386_vbeblit_index_R8G8B8X8 (struct grub_video_i386_vbeblit_info *dst,
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struct grub_video_i386_vbeblit_info *src,
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int x, int y, int width, int height,
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int offset_x, int offset_y)
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{
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grub_uint32_t color;
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int i;
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int j;
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grub_uint32_t *srcptr;
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grub_uint8_t *dstptr;
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unsigned int sr;
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unsigned int sg;
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unsigned int sb;
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/* We do not need to worry about data being out of bounds
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as we assume that everything has been checked before. */
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for (j = 0; j < height; j++)
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{
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srcptr = (grub_uint32_t *)get_data_ptr (src, offset_x, j + offset_y);
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dstptr = (grub_uint8_t *)get_data_ptr (dst, x, y + j);
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for (i = 0; i < width; i++)
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{
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color = *srcptr++;
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sr = (color >> 0) & 0xFF;
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sg = (color >> 8) & 0xFF;
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sb = (color >> 16) & 0xFF;
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color = grub_video_vbe_map_rgb(sr, sg, sb);
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*dstptr++ = color & 0xFF;
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}
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}
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}
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void
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grub_video_i386_vbeblit_R8G8B8A8_R8G8B8 (struct grub_video_i386_vbeblit_info *dst,
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struct grub_video_i386_vbeblit_info *src,
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int x, int y, int width, int height,
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int offset_x, int offset_y)
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{
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grub_uint32_t color;
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int i;
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int j;
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grub_uint8_t *srcptr;
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grub_uint32_t *dstptr;
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unsigned int sr;
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unsigned int sg;
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unsigned int sb;
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/* We do not need to worry about data being out of bounds
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as we assume that everything has been checked before. */
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for (j = 0; j < height; j++)
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{
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srcptr = (grub_uint8_t *)get_data_ptr (src, offset_x, j + offset_y);
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dstptr = (grub_uint32_t *)get_data_ptr (dst, x, y + j);
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for (i = 0; i < width; i++)
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{
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sr = *srcptr++;
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sg = *srcptr++;
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sb = *srcptr++;
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color = 0xFF000000 | (sb << 16) | (sg << 8) | sr;
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*dstptr++ = color;
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}
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}
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}
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void
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grub_video_i386_vbeblit_R8G8B8_R8G8B8 (struct grub_video_i386_vbeblit_info *dst,
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struct grub_video_i386_vbeblit_info *src,
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int x, int y, int width, int height,
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int offset_x, int offset_y)
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{
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int j;
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grub_uint8_t *srcptr;
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grub_uint8_t *dstptr;
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int pitch;
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pitch = src->mode_info->bytes_per_pixel;
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/* We do not need to worry about data being out of bounds
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as we assume that everything has been checked before. */
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for (j = 0; j < height; j++)
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{
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srcptr = (grub_uint8_t *)get_data_ptr (src, offset_x, j + offset_y);
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dstptr = (grub_uint8_t *)get_data_ptr (dst, x, y + j);
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grub_memmove (dstptr, srcptr, width * pitch);
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}
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}
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void
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grub_video_i386_vbeblit_index_R8G8B8 (struct grub_video_i386_vbeblit_info *dst,
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struct grub_video_i386_vbeblit_info *src,
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int x, int y, int width, int height,
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int offset_x, int offset_y)
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{
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grub_uint32_t color;
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int i;
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int j;
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grub_uint8_t *srcptr;
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grub_uint8_t *dstptr;
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unsigned int sr;
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unsigned int sg;
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unsigned int sb;
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/* We do not need to worry about data being out of bounds
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as we assume that everything has been checked before. */
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for (j = 0; j < height; j++)
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{
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srcptr = (grub_uint8_t *)get_data_ptr (src, offset_x, j + offset_y);
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dstptr = (grub_uint8_t *)get_data_ptr (dst, x, y + j);
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for (i = 0; i < width; i++)
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{
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sr = *srcptr++;
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sg = *srcptr++;
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sb = *srcptr++;
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color = grub_video_vbe_map_rgb(sr, sg, sb);
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*dstptr++ = color & 0xFF;
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}
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}
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}
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void
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grub_video_i386_vbeblit_index_index (struct grub_video_i386_vbeblit_info *dst,
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struct grub_video_i386_vbeblit_info *src,
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int x, int y, int width, int height,
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int offset_x, int offset_y)
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{
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int j;
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grub_uint8_t *srcptr;
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grub_uint8_t *dstptr;
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int pitch;
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pitch = src->mode_info->bytes_per_pixel;
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/* We do not need to worry about data being out of bounds
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as we assume that everything has been checked before. */
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for (j = 0; j < height; j++)
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{
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srcptr = (grub_uint8_t *)get_data_ptr (src, offset_x, j + offset_y);
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dstptr = (grub_uint8_t *)get_data_ptr (dst, x, y + j);
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grub_memmove (dstptr, srcptr, width * pitch);
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}
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}
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void
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grub_video_i386_vbeblit_blend (struct grub_video_i386_vbeblit_info *dst,
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struct grub_video_i386_vbeblit_info *src,
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int x, int y, int width, int height,
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int offset_x, int offset_y)
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{
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int i;
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int j;
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|
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/* We do not need to worry about data being out of bounds
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|
as we assume that everything has been checked before. */
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|
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for (j = 0; j < height; j++)
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{
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for (i = 0; i < width; i++)
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{
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grub_uint8_t src_red;
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grub_uint8_t src_green;
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grub_uint8_t src_blue;
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grub_uint8_t src_alpha;
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grub_uint8_t dst_red;
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grub_uint8_t dst_green;
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|
grub_uint8_t dst_blue;
|
|
grub_uint8_t dst_alpha;
|
|
grub_video_color_t src_color;
|
|
grub_video_color_t dst_color;
|
|
|
|
src_color = get_pixel (src, i + offset_x, j + offset_y);
|
|
grub_video_vbe_unmap_color_int (src, src_color, &src_red, &src_green,
|
|
&src_blue, &src_alpha);
|
|
|
|
if (src_alpha == 0)
|
|
continue;
|
|
|
|
if (src_alpha == 255)
|
|
{
|
|
dst_color = grub_video_vbe_map_rgba (src_red, src_green,
|
|
src_blue, src_alpha);
|
|
set_pixel (dst, x + i, y + j, dst_color);
|
|
continue;
|
|
}
|
|
|
|
dst_color = get_pixel (dst, x + i, y + j);
|
|
|
|
grub_video_vbe_unmap_color_int (dst, dst_color, &dst_red,
|
|
&dst_green, &dst_blue, &dst_alpha);
|
|
|
|
dst_red = (((src_red * src_alpha)
|
|
+ (dst_red * (255 - src_alpha))) / 255);
|
|
dst_green = (((src_green * src_alpha)
|
|
+ (dst_green * (255 - src_alpha))) / 255);
|
|
dst_blue = (((src_blue * src_alpha)
|
|
+ (dst_blue * (255 - src_alpha))) / 255);
|
|
|
|
dst_alpha = src_alpha;
|
|
dst_color = grub_video_vbe_map_rgba (dst_red, dst_green, dst_blue,
|
|
dst_alpha);
|
|
|
|
set_pixel (dst, x + i, y + j, dst_color);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
grub_video_i386_vbeblit_replace (struct grub_video_i386_vbeblit_info *dst,
|
|
struct grub_video_i386_vbeblit_info *src,
|
|
int x, int y, int width, int height,
|
|
int offset_x, int offset_y)
|
|
{
|
|
int i;
|
|
int j;
|
|
grub_uint8_t src_red;
|
|
grub_uint8_t src_green;
|
|
grub_uint8_t src_blue;
|
|
grub_uint8_t src_alpha;
|
|
grub_video_color_t src_color;
|
|
grub_video_color_t dst_color;
|
|
|
|
/* We do not need to worry about data being out of bounds
|
|
as we assume that everything has been checked before. */
|
|
|
|
for (j = 0; j < height; j++)
|
|
{
|
|
for (i = 0; i < width; i++)
|
|
{
|
|
src_color = get_pixel (src, i + offset_x, j + offset_y);
|
|
grub_video_vbe_unmap_color_int (src, src_color, &src_red, &src_green,
|
|
&src_blue, &src_alpha);
|
|
|
|
dst_color = grub_video_vbe_map_rgba (src_red, src_green,
|
|
src_blue, src_alpha);
|
|
set_pixel (dst, x + i, y + j, dst_color);
|
|
}
|
|
}
|
|
}
|