From f43f683720eabc8f10e899aa11e021d259223ba5 Mon Sep 17 00:00:00 2001 From: Ryan Dwyer Date: Tue, 3 Jul 2018 17:29:23 +1000 Subject: [PATCH] Use opaque region to determine if frame done should be sent --- main.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/main.c b/main.c index f31ed67..a7a68e9 100644 --- a/main.c +++ b/main.c @@ -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); }