pjht/swaylock
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Use opaque region to determine if frame done should be sent

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This commit is contained in:
Ryan Dwyer 2018-07-03 17:29:23 +10:00
parent 0978661a1b
commit f43f683720
1 changed files with 15 additions and 0 deletions
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15
main.c
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@ -111,12 +111,27 @@ static void create_layer_surface(struct swaylock_surface *surface) {
wl_surface_commit(surface->surface);
}
static bool image_is_opaque(cairo_surface_t *image) {
return cairo_surface_get_content(image) == CAIRO_CONTENT_COLOR;
}
static void layer_surface_configure(void *data,
struct zwlr_layer_surface_v1 *layer_surface,
uint32_t serial, uint32_t width, uint32_t height) {
struct swaylock_surface *surface = data;
surface->width = width;
surface->height = height;
if (image_is_opaque(surface->image) &&
surface->state->args.mode != BACKGROUND_MODE_CENTER &&
surface->state->args.mode != BACKGROUND_MODE_FIT) {
struct wl_region *region =
wl_compositor_create_region(surface->state->compositor);
wl_region_add(region, 0, 0, width, height);
wl_surface_set_opaque_region(surface->surface, region);
wl_region_destroy(region);
}
zwlr_layer_surface_v1_ack_configure(layer_surface, serial);
render_frame(surface);
}