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Lift 255x255 erminal sie restriction to 65535x65535. Also change from

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bitmasks to small structures of size chosen to fit in registers.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-10-19 23:59:32 +02:00
parent 7abdac8e13
commit e89c2d48a9
24 changed files with 266 additions and 244 deletions
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22
grub-core/term/gfxterm.c
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@ -970,34 +970,34 @@ grub_gfxterm_getcharwidth (struct grub_term_output *term __attribute__ ((unused)
/ virtual_screen.normal_char_width;
}
static grub_uint16_t
static struct grub_term_coordinate
grub_virtual_screen_getwh (struct grub_term_output *term __attribute__ ((unused)))
{
return (virtual_screen.columns << 8) | virtual_screen.rows;
return (struct grub_term_coordinate) { virtual_screen.columns, virtual_screen.rows };
}
static grub_uint16_t
static struct grub_term_coordinate
grub_virtual_screen_getxy (struct grub_term_output *term __attribute__ ((unused)))
{
return ((virtual_screen.cursor_x << 8) | virtual_screen.cursor_y);
return (struct grub_term_coordinate) { virtual_screen.cursor_x, virtual_screen.cursor_y };
}
static void
grub_gfxterm_gotoxy (struct grub_term_output *term __attribute__ ((unused)),
grub_uint8_t x, grub_uint8_t y)
struct grub_term_coordinate pos)
{
if (x >= virtual_screen.columns)
x = virtual_screen.columns - 1;
if (pos.x >= virtual_screen.columns)
pos.x = virtual_screen.columns - 1;
if (y >= virtual_screen.rows)
y = virtual_screen.rows - 1;
if (pos.y >= virtual_screen.rows)
pos.y = virtual_screen.rows - 1;
/* Erase current cursor, if any. */
if (virtual_screen.cursor_state)
draw_cursor (0);
virtual_screen.cursor_x = x;
virtual_screen.cursor_y = y;
virtual_screen.cursor_x = pos.x;
virtual_screen.cursor_y = pos.y;
/* Draw cursor if visible. */
if (virtual_screen.cursor_state)