* DISTLIST: Added include/grub/i386/pc/vbeblit.h,
include/grub/i386/pc/vbefill.h, video/i386/pc/vbeblit.c,
video/i386/pc/vbefill.c.
* conf/i386-pc.rmk (vbe_mod_SOURCES): Added video/i386/pc/vbeblit.c,
video/i386/pc/vbefill.c.
* include/grub/video.h (grub_video_blit_format): New enum.
(grub_video_mode_info): Added new member blit_format.
(grub_video_get_blit_format): New function prototype.
* include/grub/i386/pc/vbe.h (grub_video_vbe_get_video_ptr): New
function prototype.
(grub_video_vbe_map_rgb): Likewise.
(grub_video_vbe_unmap_color): Likewise.
* include/grub/i386/pc/vbeblit.h: New file.
* include/grub/i386/pc/vbefill.h: New file.
* video/video.c (grub_video_get_blit_format): New function.
(grub_video_vbe_get_video_ptr): Re-declared as non-static.
(grub_video_vbe_map_rgb): Likewise.
(grub_video_vbe_unmap_color): Likewise.
* video/i386/pc/vbe.c (grub_video_vbe_fill_rect): Changed to use more
optimized fills.
(grub_video_vbe_blit_render_target): Changed to use more optimized
blits.
(grub_video_vbe_setup): Added detection for optimized settings.
(grub_video_vbe_create_render_target): Likewise.
* video/i386/pc/vbeblit.c: New file.
* video/i386/pc/vbefill.c: New file.
