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Improved performance by not requiring updating swap in gfxterm

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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
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5
include/grub/video.h
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@ -34,9 +34,10 @@ struct grub_video_render_target;
struct grub_video_bitmap;
/* Defines used to describe video mode or rendering target. */
/* If following is set render target contains previously displayed image
after swapping buffers (otherwise it contains newly displayedd image).
/* If following is set render target contains currenly displayed image
after swapping buffers (otherwise it contains previously displayed image).
*/
#define GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP 0x00000080
#define GRUB_VIDEO_MODE_TYPE_PURE_TEXT 0x00000040
#define GRUB_VIDEO_MODE_TYPE_ALPHA 0x00000020
#define GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED 0x00000010