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| author | Jesse Luehrs <doy@tozt.net> | 2014-05-02 19:52:21 -0400 |
|---|---|---|
| committer | Jesse Luehrs <doy@tozt.net> | 2014-05-02 19:55:58 -0400 |
| commit | 612403d9ff2e3e6c478a0b45f59847c19f0e00d2 (patch) | |
| tree | 0a6babf1c572ffcda4ad4ffe79576d2f0d4faba7 /src/display.c | |
| parent | 250cc3d1e571cbb71119f8c2193f23be444b0c71 (diff) | |
| download | runes-612403d9ff2e3e6c478a0b45f59847c19f0e00d2.tar.gz runes-612403d9ff2e3e6c478a0b45f59847c19f0e00d2.zip | |
avoid redrawing when we haven't touched the screen
Diffstat (limited to 'src/display.c')
| -rw-r--r-- | src/display.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/display.c b/src/display.c index a8c24bf..cc56202 100644 --- a/src/display.c +++ b/src/display.c @@ -86,6 +86,10 @@ void runes_display_draw_screen(RunesTerm *t) { int r; + if (!t->scr.dirty) { + return; + } + /* XXX quite inefficient */ for (r = 0; r < t->scr.max.row; ++r) { int c = 0; @@ -95,6 +99,8 @@ void runes_display_draw_screen(RunesTerm *t) } } runes_window_backend_request_flush(t); + + t->scr.dirty = 0; } void runes_display_draw_cursor(RunesTerm *t, cairo_t *cr) |