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only commit surface when it changed

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Previously wvkbd would commit an (usually) unchanged surface at the
framerate of the compositor, this only commits the buffer when we render
something new.

Signed-off-by: Maarten van Gompel <proycon@anaproy.nl>
This commit is contained in:
ArenM 2022-07-05 12:54:33 -04:00 committed by Maarten van Gompel
parent a2cacb7e25
commit 1843e60a74
4 changed files with 8 additions and 24 deletions
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18
drw.c
View File

@ -20,30 +20,12 @@ drwsurf_resize(struct drwsurf *ds, uint32_t w, uint32_t h, uint32_t s) {
setup_buffer(ds);
}
static void surface_frame_callback(void *data, struct wl_callback *cb,
uint32_t time);
static struct wl_callback_listener frame_listener = {.done =
surface_frame_callback};
void
drwsurf_flip(struct drwsurf *ds) {
ds->cb = wl_surface_frame(ds->surf);
wl_callback_add_listener(ds->cb, &frame_listener, (void *)ds);
wl_surface_attach(ds->surf, ds->buf, 0, 0);
wl_surface_commit(ds->surf);
}
void
surface_frame_callback(void *data, struct wl_callback *cb, uint32_t time) {
struct drwsurf *ds = (struct drwsurf *)data;
wl_callback_destroy(cb);
ds->cb = NULL;
drwsurf_flip(ds);
}
void
drw_draw_text(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
uint32_t w, uint32_t h, const char *label) {

1
drw.h
View File

@ -15,7 +15,6 @@ struct drwsurf {
struct wl_surface *surf;
struct wl_buffer *buf;
struct wl_shm *shm;
struct wl_callback *cb;
unsigned char *pool_data;
cairo_t *cairo;

6
keyboard.c
View File

@ -207,6 +207,8 @@ kbd_release_key(struct kbd *kb, uint32_t time) {
kbd_draw_layout(kb);
kb->last_swipe = NULL;
}
drwsurf_flip(kb->surf);
}
void
@ -230,6 +232,8 @@ kbd_motion_key(struct kbd *kb, uint32_t time, uint32_t x, uint32_t y) {
} else {
kbd_unpress_key(kb, time);
}
drwsurf_flip(kb->surf);
}
void
@ -336,6 +340,8 @@ kbd_press_key(struct kbd *kb, struct key *k, uint32_t time) {
default:
break;
}
drwsurf_flip(kb->surf);
}
void

7
main.c
View File

@ -341,6 +341,8 @@ layer_surface_configure(void *data, struct zwlr_layer_surface_v1 *surface,
}
zwlr_layer_surface_v1_ack_configure(surface, serial);
drwsurf_flip(&draw_surf);
}
void
@ -376,11 +378,6 @@ hide() {
zwlr_layer_surface_v1_destroy(layer_surface);
wl_surface_destroy(draw_surf.surf);
layer_surface = NULL;
if (draw_surf.cb) {
wl_callback_destroy(draw_surf.cb);
draw_surf.cb = NULL;
}
hidden = true;
}