32 lines
1.5 KiB
Text
32 lines
1.5 KiB
Text
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2009-08-24 Colin D Bennett <colin@gibibit.com>
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2009-08-24 Vladimir Serbinenko <phcoder@gmail.com>
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Double buffering support.
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* commands/i386/pc/videotest.c (grub_cmd_videotest): Swap doublebuffers.
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* include/grub/video.h: Update comment.
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* include/grub/video_fb.h (grub_video_fb_doublebuf_update_screen_t):
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New type.
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(grub_video_fb_doublebuf_blit_init): New prototype.
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* term/gfxterm.c (scroll_up): Support double buffering.
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(grub_gfxterm_refresh): Likewise.
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* video/fb/video_fb.c (doublebuf_blit_update_screen): New function.
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(grub_video_fb_doublebuf_blit_init): Likewise.
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* video/i386/pc/vbe.c (framebuffer): Remove 'render_target'. Add
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'front_target', 'back_target', 'offscreen_buffer', 'page_size',
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'displayed_page', 'render_page' and 'update_screen'.
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(grub_video_vbe_fini): Free offscreen buffer.
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(doublebuf_pageflipping_commit): New function.
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(doublebuf_pageflipping_update_screen): Likewise.
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(doublebuf_pageflipping_init): Likewise.
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(double_buffering_init): Likewise.
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(grub_video_vbe_setup): Enable doublebuffering.
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(grub_video_vbe_swap_buffers): Implement.
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(grub_video_vbe_set_active_render_target): Handle double buffering.
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(grub_video_vbe_get_active_render_target): Likewise.
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(grub_video_vbe_get_info_and_fini): Likewise. Free offscreen_buffer.
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(grub_video_vbe_adapter): Use grub_video_vbe_get_active_render_target.
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(grub_video_vbe_enable_double_buffering): Likewise.
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(grub_video_vbe_swap_buffers): Use update_screen.
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(grub_video_set_mode): Use double buffering.
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