grub_err_t
grub_video_capture_start (const struct grub_video_mode_info *mode_info,
struct grub_video_palette_data *palette,
unsigned int palette_size)
{
grub_err_t err;
grub_memset (&framebuffer, 0, sizeof (framebuffer));
grub_video_fb_init ();
framebuffer.mode_info = *mode_info;
framebuffer.mode_info.blit_format = grub_video_get_blit_format (&framebuffer.mode_info);
framebuffer.ptr = grub_malloc (framebuffer.mode_info.height * framebuffer.mode_info.pitch);
if (!framebuffer.ptr)
return grub_errno;
err = grub_video_fb_create_render_target_from_pointer (&framebuffer.render_target,
&framebuffer.mode_info,
framebuffer.ptr);
if (err)
return err;
err = grub_video_fb_set_active_render_target (framebuffer.render_target);
if (err)
return err;
err = grub_video_fb_set_palette (0, palette_size, palette);
if (err)
return err;
saved = grub_video_adapter_active;
if (saved)
{
grub_video_get_info (&saved_mode_info);
if (saved->fini)
saved->fini ();
}
grub_video_adapter_active = &grub_video_capture_adapter;
return GRUB_ERR_NONE;
}
mode_info.red_field_pos = window->format->Rshift;
mode_info.green_mask_size
= get_mask_size (window->format->Gmask >> window->format->Gshift);
mode_info.green_field_pos = window->format->Gshift;
mode_info.blue_mask_size
= get_mask_size (window->format->Bmask >> window->format->Bshift);
mode_info.blue_field_pos = window->format->Bshift;
mode_info.reserved_mask_size
= get_mask_size (window->format->Amask >> window->format->Ashift);
mode_info.reserved_field_pos = window->format->Ashift;
mode_info.blit_format
= grub_video_get_blit_format (&mode_info);
}
err = grub_video_fb_create_render_target_from_pointer (&sdl_render_target,
&mode_info,
window->pixels);
if (err)
return err;
/* Copy default palette to initialize emulated palette. */
grub_video_sdl_set_palette (0, (sizeof (grub_video_fbstd_colors)
/ sizeof (grub_video_fbstd_colors[0])),
grub_video_fbstd_colors);
/* Reset render target to SDL one. */
return grub_video_fb_set_active_render_target (sdl_render_target);
}
static grub_err_t
grub_video_sdl_set_palette (unsigned int start, unsigned int count,
static grub_err_t
grub_video_gop_setup (unsigned int width, unsigned int height,
unsigned int mode_type,
unsigned int mode_mask __attribute__ ((unused)))
{
unsigned int depth;
struct grub_efi_gop_mode_info *info = NULL;
unsigned best_mode = 0;
grub_err_t err;
unsigned bpp;
int found = 0;
unsigned long long best_volume = 0;
depth = (mode_type & GRUB_VIDEO_MODE_TYPE_DEPTH_MASK)
>> GRUB_VIDEO_MODE_TYPE_DEPTH_POS;
/* Keep current mode if possible. */
if (gop->mode->info)
{
bpp = grub_video_gop_get_bpp (gop->mode->info);
if (bpp && ((width == gop->mode->info->width
&& height == gop->mode->info->height)
|| (width == 0 && height == 0))
&& (depth == bpp || depth == 0))
{
grub_dprintf ("video", "GOP: keeping mode %d\n", gop->mode->mode);
best_mode = gop->mode->mode;
found = 1;
}
}
if (!found)
{
unsigned mode;
grub_dprintf ("video", "GOP: %d modes detected\n", gop->mode->max_mode);
for (mode = 0; mode < gop->mode->max_mode; mode++)
{
grub_efi_uintn_t size;
grub_efi_status_t status;
status = efi_call_4 (gop->query_mode, gop, mode, &size, &info);
if (status)
{
info = 0;
continue;
}
grub_dprintf ("video", "GOP: mode %d: %dx%d\n", mode, info->width,
info->height);
bpp = grub_video_gop_get_bpp (info);
if (!bpp)
{
grub_dprintf ("video", "GOP: mode %d: incompatible pixel mode\n",
mode);
continue;
}
grub_dprintf ("video", "GOP: mode %d: depth %d\n", mode, bpp);
if (!(((info->width == width && info->height == height)
|| (width == 0 && height == 0))
&& (bpp == depth || depth == 0)))
{
grub_dprintf ("video", "GOP: mode %d: rejected\n", mode);
continue;
}
if (best_volume < ((unsigned long long) info->width)
* ((unsigned long long) info->height)
* ((unsigned long long) bpp))
{
best_volume = ((unsigned long long) info->width)
* ((unsigned long long) info->height)
* ((unsigned long long) bpp);
best_mode = mode;
}
found = 1;
}
}
if (!found)
{
grub_dprintf ("video", "GOP: no mode found\n");
return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "no matching mode found");
}
if (best_mode != gop->mode->mode)
{
if (!restore_needed)
{
old_mode = gop->mode->mode;
restore_needed = 1;
}
efi_call_2 (gop->set_mode, gop, best_mode);
}
info = gop->mode->info;
err = grub_video_gop_fill_mode_info (gop->mode->mode, info,
&framebuffer.mode_info);
if (err)
{
grub_dprintf ("video", "GOP: couldn't fill mode info\n");
return err;
}
framebuffer.ptr = (void *) (grub_addr_t) gop->mode->fb_base;
grub_dprintf ("video", "GOP: initialising FB @ %p %dx%dx%d\n",
framebuffer.ptr, framebuffer.mode_info.width,
framebuffer.mode_info.height, framebuffer.mode_info.bpp);
err = grub_video_fb_create_render_target_from_pointer
(&framebuffer.render_target, &framebuffer.mode_info, framebuffer.ptr);
if (err)
{
grub_dprintf ("video", "GOP: Couldn't create FB target\n");
return err;
}
err = grub_video_fb_set_active_render_target (framebuffer.render_target);
if (err)
{
grub_dprintf ("video", "GOP: Couldn't set FB target\n");
return err;
}
err = grub_video_fb_set_palette (0, GRUB_VIDEO_FBSTD_NUMCOLORS,
grub_video_fbstd_colors);
if (err)
grub_dprintf ("video", "GOP: Couldn't set palette\n");
else
grub_dprintf ("video", "GOP: Success\n");
return err;
}
static grub_err_t
grub_video_ieee1275_setup (unsigned int width, unsigned int height,
unsigned int mode_type __attribute__ ((unused)),
unsigned int mode_mask __attribute__ ((unused)))
{
grub_uint32_t current_width, current_height, address;
grub_err_t err;
grub_ieee1275_phandle_t dev;
if (!display)
return grub_error (GRUB_ERR_IO, "Couldn't find display device.");
if (grub_ieee1275_finddevice (display, &dev))
return grub_error (GRUB_ERR_IO, "Couldn't open display device.");
if (grub_ieee1275_get_integer_property (dev, "width", ¤t_width,
sizeof (current_width), 0))
return grub_error (GRUB_ERR_IO, "Couldn't retrieve display width.");
if (grub_ieee1275_get_integer_property (dev, "height", ¤t_height,
sizeof (current_width), 0))
return grub_error (GRUB_ERR_IO, "Couldn't retrieve display height.");
if ((width == current_width && height == current_height)
|| (width == 0 && height == 0))
{
grub_dprintf ("video", "IEEE1275: keeping current mode %dx%d\n",
current_width, current_height);
}
else
{
grub_dprintf ("video", "IEEE1275: Setting mode %dx%d\n", width, height);
/* TODO. */
return grub_error (GRUB_ERR_IO, "can't set mode %dx%d", width, height);
}
err = grub_video_ieee1275_fill_mode_info (dev, &framebuffer.mode_info);
if (err)
{
grub_dprintf ("video", "IEEE1275: couldn't fill mode info\n");
return err;
}
if (grub_ieee1275_get_integer_property (dev, "address", (void *) &address,
sizeof (address), 0))
return grub_error (GRUB_ERR_IO, "Couldn't retrieve display address.");
/* For some reason sparc64 uses 32-bit pointer too. */
framebuffer.ptr = (void *) (grub_addr_t) address;
grub_video_ieee1275_set_palette (0, GRUB_VIDEO_FBSTD_NUMCOLORS,
grub_video_fbstd_colors);
grub_dprintf ("video", "IEEE1275: initialising FB @ %p %dx%dx%d\n",
framebuffer.ptr, framebuffer.mode_info.width,
framebuffer.mode_info.height, framebuffer.mode_info.bpp);
err = grub_video_fb_create_render_target_from_pointer
(&framebuffer.render_target, &framebuffer.mode_info, framebuffer.ptr);
if (err)
{
grub_dprintf ("video", "IEEE1275: Couldn't create FB target\n");
return err;
}
err = grub_video_fb_set_active_render_target (framebuffer.render_target);
if (err)
{
grub_dprintf ("video", "IEEE1275: Couldn't set FB target\n");
return err;
}
err = grub_video_fb_set_palette (0, GRUB_VIDEO_FBSTD_NUMCOLORS,
grub_video_fbstd_colors);
if (err)
grub_dprintf ("video", "IEEE1275: Couldn't set palette\n");
else
grub_dprintf ("video", "IEEE1275: Success\n");
return err;
}
