vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Improved performance by not requiring updating swap in gfxterm

Browse source
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2009-11-14 17:59:11 +01:00
parent 1f56d83788
commit bbe73b0995
3 changed files with 77 additions and 33 deletions
Download patch file Download diff file Expand all files Collapse all files

55
term/gfxterm.c
View file

@ -474,8 +474,6 @@ dirty_region_redraw (void)
height = dirty_region.bottom_right_y - y + 1;
redraw_screen_rect (x, y, width, height);
dirty_region_reset ();
}
static void
@ -566,9 +564,6 @@ scroll_up (void)
{
/* Remove cursor. */
draw_cursor (0);
/* Redraw only changed regions. */
dirty_region_redraw ();
}
/* Scroll text buffer with one line to up. */
@ -584,28 +579,52 @@ scroll_up (void)
i++)
clear_char (&(virtual_screen.text_buffer[i]));
/* Scroll physical screen. */
grub_video_set_active_render_target (text_layer);
color = virtual_screen.bg_color;
grub_video_scroll (color, 0, -virtual_screen.normal_char_height);
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
/* If we have bitmap, re-draw screen, otherwise scroll physical screen too. */
if (bitmap)
{
/* Scroll physical screen. */
grub_video_set_active_render_target (text_layer);
color = virtual_screen.bg_color;
grub_video_scroll (color, 0, -virtual_screen.normal_char_height);
/* Mark virtual screen to be redrawn. */
dirty_region_add_virtualscreen ();
}
else
{
/* Clear new border area. */
grub_video_fill_rect (color,
virtual_screen.offset_x, virtual_screen.offset_y,
virtual_screen.width, virtual_screen.normal_char_height);
int i = 1;
if (mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED
&& !(mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP))
i++;
color = virtual_screen.bg_color;
while (i--)
{
/* Clear new border area. */
grub_video_fill_rect (color,
virtual_screen.offset_x,
virtual_screen.offset_y,
virtual_screen.width,
virtual_screen.normal_char_height);
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
dirty_region_redraw ();
/* Scroll physical screen. */
grub_video_scroll (color, 0, -virtual_screen.normal_char_height);
if (i)
grub_video_swap_buffers ();
}
dirty_region_reset ();
/* Scroll physical screen. */
grub_video_set_active_render_target (text_layer);
color = virtual_screen.bg_color;
grub_video_scroll (color, 0, -virtual_screen.normal_char_height);
/* Draw cursor if visible. */
if (virtual_screen.cursor_state)
draw_cursor (1);
@ -818,7 +837,6 @@ grub_gfxterm_cls (void)
/* Mark virtual screen to be redrawn. */
dirty_region_add_virtualscreen ();
dirty_region_redraw ();
grub_gfxterm_refresh ();
}
@ -884,6 +902,11 @@ grub_gfxterm_refresh (void)
dirty_region_redraw ();
grub_video_swap_buffers ();
if (mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED
&& !(mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP))
dirty_region_redraw ();
dirty_region_reset ();
}
static grub_err_t