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backend/wayland: commit null buffer only on unmap

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If the guest compositor disabled an output and then immediately
committed another state, we would perform a commit with a null buffer,
which is against the protocol, as the host compositor expects an
initial commit with no buffer at all.
This commit is contained in:
Kirill Primak 2024-02-11 10:38:59 +03:00
parent baf1e4f674
commit d9f6498f8a
1 changed files with 4 additions and 2 deletions
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6
backend/wayland/output.c
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@ -548,7 +548,9 @@ static bool output_commit(struct wlr_output *wlr_output,
return false;
}
if ((state->committed & WLR_OUTPUT_STATE_ENABLED) && !state->enabled) {
bool pending_enabled = output_pending_enabled(wlr_output, state);
if (wlr_output->enabled && !pending_enabled) {
wl_surface_attach(output->surface, NULL, 0, 0);
wl_surface_commit(output->surface);
}
@ -575,7 +577,7 @@ static bool output_commit(struct wlr_output *wlr_output,
return false;
}
if (output_pending_enabled(wlr_output, state)) {
if (pending_enabled) {
if (output->frame_callback != NULL) {
wl_callback_destroy(output->frame_callback);
}