RGBCube/serenity
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Terminal: optimize repaints a bunch.

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We track dirty character cells + pending whole-terminal scrolls.
This drastically reduces the number of pixels pushed.
This commit is contained in:
Andreas Kling 2019-01-15 10:20:20 +01:00
parent e452303c66
commit d0137f0e96
3 changed files with 35 additions and 7 deletions
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5
Terminal/main.cpp
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@ -61,8 +61,6 @@ int main(int, char**)
return 1;
}
dbgprintf("ptm_fd = %d\n", ptm_fd);
make_shell(ptm_fd);
int event_fd = open("/dev/gui_events", O_RDONLY | O_NONBLOCK);
@ -79,9 +77,8 @@ int main(int, char**)
byte buffer[1024];
ssize_t ptm_nread = read(ptm_fd, buffer, sizeof(buffer));
if (ptm_nread > 0) {
for (ssize_t i = 0; i < ptm_nread; ++i) {
for (ssize_t i = 0; i < ptm_nread; ++i)
terminal.on_char(buffer[i]);
}
terminal.paint();
}