exupdate man page on DragonFly
[printable version]
exupdate(3) Allegro manual exupdate(3)
NAME
exupdate - Supporting different screen update methods in a single pro‐
gram. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
Example exupdate
DESCRIPTION
This program demonstrates how to support double buffering, page flip‐
ping, and triple buffering as options within a single program, and how
to make things run at a constant rate no matter what the speed of your
computer. You have to use this example from the command line to specify
as first parameter a number which represents the type of video update
you want: 1 for double buffering with memory bitmaps, 2 for page flip‐
ping, 3 for triple buffering and 4 for double buffering with system
bitmaps. After this, a dialog allows you to select a screen resolution
and finally you will see a kaleidoscopic animation, along with a frames
per second counter on the top left of the screen.
SEE ALSO
BITMAP(3), END_OF_FUNCTION(3), END_OF_MAIN(3), LOCK_FUNCTION(3),
LOCK_VARIABLE(3), PALETTE(3), SCREEN_H(3), SCREEN_W(3), acquire_bit‐
map(3), allegro_error(3), allegro_init(3), allegro_message(3), bit‐
map_color_depth(3), blit(3), clear_bitmap(3), create_bitmap(3), cre‐
ate_system_bitmap(3), create_video_bitmap(3), desktop_palette(3),
destroy_bitmap(3), enable_triple_buffer(3), fixcos(3), fixed(3), fix‐
mul(3), fixsin(3), fixtoi(3), font(3), ftofix(3), generate_332_pal‐
ette(3), gfx_capabilities(3), gfx_mode_select_ex(3), install_int_ex(3),
install_keyboard(3), install_mouse(3), install_timer(3), keypressed(3),
line(3), makecol(3), poll_scroll(3), release_bitmap(3),
request_video_bitmap(3), screen(3), set_color_depth(3),
set_gfx_mode(3), set_palette(3), show_video_bitmap(3), textout_ex(3),
textprintf_ex(3), triangle(3), vsync(3), xor_mode(3)
Allegro version 4.4.2 exupdate(3)
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