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merge mainline into emu-mod

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-02-07 03:06:33 +01:00
commit 19a9fb834b
459 changed files with 26481 additions and 7640 deletions
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503
term/gfxterm.c
View file

@ -24,10 +24,13 @@
#include <grub/mm.h>
#include <grub/env.h>
#include <grub/video.h>
#include <grub/gfxterm.h>
#include <grub/bitmap.h>
#include <grub/command.h>
#include <grub/extcmd.h>
#include <grub/bitmap_scale.h>
#define DEFAULT_VIDEO_MODE "1024x768,800x600,640x480"
#define DEFAULT_VIDEO_MODE "auto"
#define DEFAULT_BORDER_WIDTH 10
#define DEFAULT_STANDARD_COLOR 0x07
@ -95,15 +98,33 @@ struct grub_virtual_screen
/* Color settings. */
grub_video_color_t fg_color;
grub_video_color_t bg_color;
grub_video_color_t bg_color_display;
/* Text buffer for virtual screen. Contains (columns * rows) number
of entries. */
struct grub_colored_char *text_buffer;
int total_scroll;
};
static struct grub_virtual_screen virtual_screen;
struct grub_gfxterm_window
{
unsigned x;
unsigned y;
unsigned width;
unsigned height;
int double_repaint;
};
static struct grub_video_mode_info mode_info;
static struct grub_video_render_target *render_target;
void (*grub_gfxterm_decorator_hook) (void) = NULL;
static struct grub_gfxterm_window window;
static struct grub_virtual_screen virtual_screen;
static grub_gfxterm_repaint_callback_t repaint_callback;
static int repaint_schedulded = 0;
static int repaint_was_schedulded = 0;
static void destroy_window (void);
static struct grub_video_render_target *text_layer;
@ -124,6 +145,8 @@ static unsigned int calculate_normal_character_width (grub_font_t font);
static unsigned char calculate_character_width (struct grub_font_glyph *glyph);
static void grub_gfxterm_refresh (void);
static void
set_term_color (grub_uint8_t term_color)
{
@ -189,7 +212,7 @@ grub_virtual_screen_setup (unsigned int x, unsigned int y,
virtual_screen.font = grub_font_get (font_name);
if (!virtual_screen.font)
return grub_error (GRUB_ERR_BAD_FONT,
"No font loaded.");
"no font loaded");
virtual_screen.width = width;
virtual_screen.height = height;
virtual_screen.offset_x = x;
@ -201,6 +224,7 @@ grub_virtual_screen_setup (unsigned int x, unsigned int y,
virtual_screen.cursor_x = 0;
virtual_screen.cursor_y = 0;
virtual_screen.cursor_state = 1;
virtual_screen.total_scroll = 0;
/* Calculate size of text buffer. */
virtual_screen.columns = virtual_screen.width / virtual_screen.normal_char_width;
@ -235,7 +259,9 @@ grub_virtual_screen_setup (unsigned int x, unsigned int y,
set_term_color (virtual_screen.term_color);
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
grub_video_set_active_render_target (render_target);
virtual_screen.bg_color_display = grub_video_map_rgba(0, 0, 0, 0);
/* Clear out text buffer. */
for (i = 0; i < virtual_screen.columns * virtual_screen.rows; i++)
@ -244,75 +270,122 @@ grub_virtual_screen_setup (unsigned int x, unsigned int y,
return grub_errno;
}
static int NESTED_FUNC_ATTR video_hook (grub_video_adapter_t p __attribute__ ((unused)),
struct grub_video_mode_info *info)
void
grub_gfxterm_schedule_repaint (void)
{
return ! (info->mode_type & GRUB_VIDEO_MODE_TYPE_PURE_TEXT);
repaint_schedulded = 1;
}
static grub_err_t
grub_gfxterm_term_init (void)
grub_err_t
grub_gfxterm_set_window (struct grub_video_render_target *target,
int x, int y, int width, int height,
int double_repaint,
const char *font_name, int border_width)
{
char *font_name;
char *modevar;
char *tmp;
grub_video_color_t color;
int width;
int height;
grub_err_t err;
/* Clean up any prior instance. */
destroy_window ();
/* Select the font to use. */
font_name = grub_env_get ("gfxterm_font");
if (! font_name)
font_name = ""; /* Allow fallback to any font. */
/* Set the render target. */
render_target = target;
/* Parse gfxmode environment variable if set. */
modevar = grub_env_get ("gfxmode");
if (! modevar || *modevar == 0)
err = grub_video_set_mode (DEFAULT_VIDEO_MODE, video_hook);
else
/* Create virtual screen. */
if (grub_virtual_screen_setup (border_width, border_width,
width - 2 * border_width,
height - 2 * border_width,
font_name)
!= GRUB_ERR_NONE)
{
tmp = grub_malloc (grub_strlen (modevar)
+ sizeof (DEFAULT_VIDEO_MODE) + 1);
grub_sprintf (tmp, "%s;" DEFAULT_VIDEO_MODE, modevar);
err = grub_video_set_mode (tmp, video_hook);
grub_free (tmp);
return grub_errno;
}
if (err)
return err;
/* Set window bounds. */
window.x = x;
window.y = y;
window.width = width;
window.height = height;
window.double_repaint = double_repaint;
dirty_region_reset ();
grub_gfxterm_schedule_repaint ();
return grub_errno;
}
grub_err_t
grub_gfxterm_fullscreen (void)
{
const char *font_name;
struct grub_video_mode_info mode_info;
grub_video_color_t color;
grub_err_t err;
int double_redraw;
err = grub_video_get_info (&mode_info);
/* Figure out what mode we ended up. */
if (err)
return err;
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
double_redraw = mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED
&& !(mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP);
/* Make sure screen is black. */
color = grub_video_map_rgb (0, 0, 0);
grub_video_fill_rect (color, 0, 0, mode_info.width, mode_info.height);
if (double_redraw)
{
grub_video_swap_buffers ();
grub_video_fill_rect (color, 0, 0, mode_info.width, mode_info.height);
}
bitmap = 0;
/* Leave borders for virtual screen. */
width = mode_info.width - (2 * DEFAULT_BORDER_WIDTH);
height = mode_info.height - (2 * DEFAULT_BORDER_WIDTH);
/* Select the font to use. */
font_name = grub_env_get ("gfxterm_font");
if (! font_name)
font_name = ""; /* Allow fallback to any font. */
/* Create virtual screen. */
if (grub_virtual_screen_setup (DEFAULT_BORDER_WIDTH, DEFAULT_BORDER_WIDTH,
width, height, font_name) != GRUB_ERR_NONE)
{
grub_video_restore ();
return grub_errno;
}
grub_gfxterm_decorator_hook = NULL;
/* Mark whole screen as dirty. */
dirty_region_reset ();
dirty_region_add (0, 0, mode_info.width, mode_info.height);
return (grub_errno = GRUB_ERR_NONE);
return grub_gfxterm_set_window (GRUB_VIDEO_RENDER_TARGET_DISPLAY,
0, 0, mode_info.width, mode_info.height,
double_redraw,
font_name, DEFAULT_BORDER_WIDTH);
}
static grub_err_t
grub_gfxterm_term_fini (void)
grub_gfxterm_term_init (void)
{
char *tmp;
grub_err_t err;
const char *modevar;
/* Parse gfxmode environment variable if set. */
modevar = grub_env_get ("gfxmode");
if (! modevar || *modevar == 0)
err = grub_video_set_mode (DEFAULT_VIDEO_MODE,
GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0);
else
{
tmp = grub_xasprintf ("%s;" DEFAULT_VIDEO_MODE, modevar);
if (!tmp)
return grub_errno;
err = grub_video_set_mode (tmp, GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0);
grub_free (tmp);
}
if (err)
return err;
err = grub_gfxterm_fullscreen ();
if (err)
grub_video_restore ();
return err;
}
static void
destroy_window (void)
{
if (bitmap)
{
@ -320,10 +393,18 @@ grub_gfxterm_term_fini (void)
bitmap = 0;
}
repaint_callback = 0;
grub_virtual_screen_free ();
}
static grub_err_t
grub_gfxterm_term_fini (void)
{
destroy_window ();
grub_video_restore ();
/* Clear error state. */
grub_errno = GRUB_ERR_NONE;
return GRUB_ERR_NONE;
}
@ -332,9 +413,15 @@ redraw_screen_rect (unsigned int x, unsigned int y,
unsigned int width, unsigned int height)
{
grub_video_color_t color;
grub_video_rect_t saved_view;
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
grub_video_set_active_render_target (render_target);
/* Save viewport and set it to our window. */
grub_video_get_viewport ((unsigned *) &saved_view.x,
(unsigned *) &saved_view.y,
(unsigned *) &saved_view.width,
(unsigned *) &saved_view.height);
grub_video_set_viewport (window.x, window.y, window.width, window.height);
if (bitmap)
{
@ -345,7 +432,7 @@ redraw_screen_rect (unsigned int x, unsigned int y,
/* If bitmap is smaller than requested blit area, use background
color. */
color = virtual_screen.bg_color;
color = virtual_screen.bg_color_display;
/* Fill right side of the bitmap if needed. */
if ((x + width >= bitmap_width) && (y < bitmap_height))
@ -392,7 +479,7 @@ redraw_screen_rect (unsigned int x, unsigned int y,
else
{
/* Render background layer. */
color = virtual_screen.bg_color;
color = virtual_screen.bg_color_display;
grub_video_fill_rect (color, x, y, width, height);
/* Render text layer as replaced (to get texts background color). */
@ -401,6 +488,14 @@ redraw_screen_rect (unsigned int x, unsigned int y,
y - virtual_screen.offset_y,
width, height);
}
/* Restore saved viewport. */
grub_video_set_viewport (saved_view.x, saved_view.y,
saved_view.width, saved_view.height);
grub_video_set_active_render_target (render_target);
if (repaint_callback)
repaint_callback (x, y, width, height);
}
static void
@ -410,6 +505,7 @@ dirty_region_reset (void)
dirty_region.top_left_y = -1;
dirty_region.bottom_right_x = -1;
dirty_region.bottom_right_y = -1;
repaint_was_schedulded = 0;
}
static int
@ -429,6 +525,16 @@ dirty_region_add (int x, int y, unsigned int width, unsigned int height)
if ((width == 0) || (height == 0))
return;
if (repaint_schedulded)
{
x = virtual_screen.offset_x;
y = virtual_screen.offset_y;
width = virtual_screen.width;
height = virtual_screen.height;
repaint_schedulded = 0;
repaint_was_schedulded = 1;
}
if (dirty_region_is_empty ())
{
dirty_region.top_left_x = x;
@ -475,13 +581,14 @@ dirty_region_redraw (void)
width = dirty_region.bottom_right_x - x + 1;
height = dirty_region.bottom_right_y - y + 1;
redraw_screen_rect (x, y, width, height);
if (repaint_was_schedulded && grub_gfxterm_decorator_hook)
grub_gfxterm_decorator_hook ();
dirty_region_reset ();
redraw_screen_rect (x, y, width, height);
}
static void
write_char (void)
static inline void
paint_char (unsigned cx, unsigned cy)
{
struct grub_colored_char *p;
struct grub_font_glyph *glyph;
@ -493,10 +600,12 @@ write_char (void)
unsigned int height;
unsigned int width;
if (cy + virtual_screen.total_scroll >= virtual_screen.rows)
return;
/* Find out active character. */
p = (virtual_screen.text_buffer
+ virtual_screen.cursor_x
+ (virtual_screen.cursor_y * virtual_screen.columns));
+ cx + (cy * virtual_screen.columns));
p -= p->index;
@ -510,68 +619,163 @@ write_char (void)
color = p->fg_color;
bgcolor = p->bg_color;
x = virtual_screen.cursor_x * virtual_screen.normal_char_width;
y = virtual_screen.cursor_y * virtual_screen.normal_char_height;
x = cx * virtual_screen.normal_char_width;
y = (cy + virtual_screen.total_scroll) * virtual_screen.normal_char_height;
/* Render glyph to text layer. */
grub_video_set_active_render_target (text_layer);
grub_video_fill_rect (bgcolor, x, y, width, height);
grub_font_draw_glyph (glyph, color, x, y + ascent);
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
grub_video_set_active_render_target (render_target);
/* Mark character to be drawn. */
dirty_region_add (virtual_screen.offset_x + x, virtual_screen.offset_y + y,
width, height);
}
static void
static inline void
write_char (void)
{
paint_char (virtual_screen.cursor_x, virtual_screen.cursor_y);
}
static inline void
draw_cursor (int show)
{
unsigned int x;
unsigned int y;
unsigned int width;
unsigned int height;
grub_video_color_t color;
write_char ();
if (show)
if (!show)
return;
if (virtual_screen.cursor_y + virtual_screen.total_scroll
>= virtual_screen.rows)
return;
/* Determine cursor properties and position on text layer. */
x = virtual_screen.cursor_x * virtual_screen.normal_char_width;
width = virtual_screen.normal_char_width;
color = virtual_screen.fg_color;
y = ((virtual_screen.cursor_y + virtual_screen.total_scroll)
* virtual_screen.normal_char_height
+ grub_font_get_ascent (virtual_screen.font));
height = 2;
/* Render cursor to text layer. */
grub_video_set_active_render_target (text_layer);
grub_video_fill_rect (color, x, y, width, height);
grub_video_set_active_render_target (render_target);
/* Mark cursor to be redrawn. */
dirty_region_add (virtual_screen.offset_x + x,
virtual_screen.offset_y + y,
width, height);
}
static void
real_scroll (void)
{
unsigned int i, j, was_scroll;
grub_video_color_t color;
if (!virtual_screen.total_scroll)
return;
/* If we have bitmap, re-draw screen, otherwise scroll physical screen too. */
if (bitmap)
{
unsigned int x;
unsigned int y;
unsigned int width;
unsigned int height;
grub_video_color_t color;
/* Determine cursor properties and position on text layer. */
x = virtual_screen.cursor_x * virtual_screen.normal_char_width;
width = virtual_screen.normal_char_width;
color = virtual_screen.fg_color;
y = (virtual_screen.cursor_y * virtual_screen.normal_char_height
+ grub_font_get_ascent (virtual_screen.font));
height = 2;
/* Render cursor to text layer. */
/* Scroll physical screen. */
grub_video_set_active_render_target (text_layer);
grub_video_fill_rect (color, x, y, width, height);
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
color = virtual_screen.bg_color;
grub_video_scroll (color, 0, -virtual_screen.normal_char_height
* virtual_screen.total_scroll);
/* Mark cursor to be redrawn. */
dirty_region_add (virtual_screen.offset_x + x,
virtual_screen.offset_y + y,
width, height);
/* Mark virtual screen to be redrawn. */
dirty_region_add_virtualscreen ();
}
else
{
grub_video_rect_t saved_view;
/* Remove cursor. */
draw_cursor (0);
grub_video_set_active_render_target (render_target);
/* Save viewport and set it to our window. */
grub_video_get_viewport ((unsigned *) &saved_view.x,
(unsigned *) &saved_view.y,
(unsigned *) &saved_view.width,
(unsigned *) &saved_view.height);
grub_video_set_viewport (window.x, window.y, window.width, window.height);
i = window.double_repaint ? 2 : 1;
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
* virtual_screen.total_scroll);
grub_video_set_active_render_target (render_target);
dirty_region_redraw ();
/* Scroll physical screen. */
grub_video_scroll (color, 0, -virtual_screen.normal_char_height
* virtual_screen.total_scroll);
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
* virtual_screen.total_scroll);
/* Restore saved viewport. */
grub_video_set_viewport (saved_view.x, saved_view.y,
saved_view.width, saved_view.height);
grub_video_set_active_render_target (render_target);
}
was_scroll = virtual_screen.total_scroll;
virtual_screen.total_scroll = 0;
if (was_scroll > virtual_screen.rows)
was_scroll = virtual_screen.rows;
/* Draw shadow part. */
for (i = virtual_screen.rows - was_scroll;
i < virtual_screen.rows; i++)
for (j = 0; j < virtual_screen.columns; j++)
paint_char (j, i);
/* Draw cursor if visible. */
if (virtual_screen.cursor_state)
draw_cursor (1);
if (repaint_callback)
repaint_callback (window.x, window.y, window.width, window.height);
}
static void
scroll_up (void)
{
unsigned int i;
grub_video_color_t color;
/* If we don't have background bitmap, remove cursor. */
if (!bitmap)
{
/* Remove cursor. */
draw_cursor (0);
/* Redraw only changed regions. */
dirty_region_redraw ();
}
/* Scroll text buffer with one line to up. */
grub_memmove (virtual_screen.text_buffer,
@ -586,32 +790,7 @@ 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)
{
/* 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);
/* Scroll physical screen. */
grub_video_scroll (color, 0, -virtual_screen.normal_char_height);
/* Draw cursor if visible. */
if (virtual_screen.cursor_state)
draw_cursor (1);
}
virtual_screen.total_scroll++;
}
static void
@ -814,11 +993,14 @@ grub_gfxterm_cls (void)
/* Clear text layer. */
grub_video_set_active_render_target (text_layer);
color = virtual_screen.bg_color;
grub_video_fill_rect (color, 0, 0, mode_info.width, mode_info.height);
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
grub_video_fill_rect (color, 0, 0,
virtual_screen.width, virtual_screen.height);
grub_video_set_active_render_target (render_target);
/* Mark virtual screen to be redrawn. */
dirty_region_add_virtualscreen ();
grub_gfxterm_refresh ();
}
static void
@ -879,15 +1061,41 @@ grub_gfxterm_setcursor (int on)
static void
grub_gfxterm_refresh (void)
{
real_scroll ();
/* Redraw only changed regions. */
dirty_region_redraw ();
grub_video_swap_buffers ();
if (window.double_repaint)
dirty_region_redraw ();
dirty_region_reset ();
}
void
grub_gfxterm_set_repaint_callback (grub_gfxterm_repaint_callback_t func)
{
repaint_callback = func;
}
/* Option array indices. */
#define BACKGROUND_CMD_ARGINDEX_MODE 0
static const struct grub_arg_option background_image_cmd_options[] =
{
{"mode", 'm', 0, "Background image mode.", "stretch|normal",
ARG_TYPE_STRING},
{0, 0, 0, 0, 0, 0}
};
static grub_err_t
grub_gfxterm_background_image_cmd (grub_command_t cmd __attribute__ ((unused)),
grub_gfxterm_background_image_cmd (grub_extcmd_t cmd __attribute__ ((unused)),
int argc,
char **args)
{
struct grub_arg_list *state = cmd->state;
/* Check that we have video adapter active. */
if (grub_video_get_info(NULL) != GRUB_ERR_NONE)
return grub_errno;
@ -899,8 +1107,7 @@ grub_gfxterm_background_image_cmd (grub_command_t cmd __attribute__ ((unused)),
bitmap = 0;
/* Mark whole screen as dirty. */
dirty_region_reset ();
dirty_region_add (0, 0, mode_info.width, mode_info.height);
dirty_region_add (0, 0, window.width, window.height);
}
/* If filename was provided, try to load that. */
@ -911,16 +1118,38 @@ grub_gfxterm_background_image_cmd (grub_command_t cmd __attribute__ ((unused)),
if (grub_errno != GRUB_ERR_NONE)
return grub_errno;
/* Determine if the bitmap should be scaled to fit the screen. */
if (!state[BACKGROUND_CMD_ARGINDEX_MODE].set
|| grub_strcmp (state[BACKGROUND_CMD_ARGINDEX_MODE].arg,
"stretch") == 0)
{
if (window.width != grub_video_bitmap_get_width (bitmap)
|| window.height != grub_video_bitmap_get_height (bitmap))
{
struct grub_video_bitmap *scaled_bitmap;
grub_video_bitmap_create_scaled (&scaled_bitmap,
window.width,
window.height,
bitmap,
GRUB_VIDEO_BITMAP_SCALE_METHOD_BEST);
if (grub_errno == GRUB_ERR_NONE)
{
/* Replace the original bitmap with the scaled one. */
grub_video_bitmap_destroy (bitmap);
bitmap = scaled_bitmap;
}
}
}
/* If bitmap was loaded correctly, display it. */
if (bitmap)
{
/* Determine bitmap dimensions. */
bitmap_width = grub_video_bitmap_get_width (bitmap);
bitmap_height = grub_video_bitmap_get_width (bitmap);
bitmap_height = grub_video_bitmap_get_height (bitmap);
/* Mark whole screen as dirty. */
dirty_region_reset ();
dirty_region_add (0, 0, mode_info.width, mode_info.height);
dirty_region_add (0, 0, window.width, window.height);
}
}
@ -949,18 +1178,22 @@ static struct grub_term_output grub_video_term =
.next = 0
};
static grub_command_t cmd;
static grub_extcmd_t background_image_cmd_handle;
GRUB_MOD_INIT(gfxterm)
{
grub_term_register_output ("gfxterm", &grub_video_term);
cmd = grub_register_command ("background_image",
grub_gfxterm_background_image_cmd,
0, "Load background image for active terminal");
background_image_cmd_handle =
grub_register_extcmd ("background_image",
grub_gfxterm_background_image_cmd,
GRUB_COMMAND_FLAG_BOTH,
"[-m (stretch|normal)] FILE",
"Load background image for active terminal.",
background_image_cmd_options);
}
GRUB_MOD_FINI(gfxterm)
{
grub_unregister_command (cmd);
grub_unregister_extcmd (background_image_cmd_handle);
grub_term_unregister_output (&grub_video_term);
}