From 94ef1da455c19f8e87292a0212c18073fc15674d Mon Sep 17 00:00:00 2001 From: Leonardo Hernandez Hernandez Date: Tue, 15 Feb 2022 23:40:44 -0600 Subject: main: Do not render a frame on same-size configure Based on https://github.com/emersion/mako/pull/410 --- main.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/main.c b/main.c index 5c6eed3..e3bdaae 100644 --- a/main.c +++ b/main.c @@ -116,10 +116,22 @@ layer_surface_configure(void *data, struct zwlr_layer_surface_v1 *surface, uint32_t serial, uint32_t w, uint32_t h) { struct output *output = data; + zwlr_layer_surface_v1_ack_configure(surface, serial); + + /* If the size of the last committed buffer has not change, do not + * render a new buffer because it will be identical to the old one. */ + /* TODO: should we check the scale? */ + if (output->configured && + output->render_width == w && + output->render_height == h) + { + wl_surface_commit(output->surf); + return; + } + output->render_width = w; output->render_height = h; output->configured = true; - zwlr_layer_surface_v1_ack_configure(surface, serial); render(output); } -- cgit v1.2.3